/* ============================================================
   NoMark — PDF 去水印工具 · Global Styles
   ============================================================ */

/* CSS Custom Properties */
:root {
  /* 品牌色：靛蓝→紫罗兰渐变系 */
  --primary: #6366F1;
  --primary-dark: #4F46E5;
  --primary-light: #A5B4FC;
  --primary-50: #EEF2FF;
  --primary-100: #E0E7FF;
  --primary-200: #C7D2FE;
  --accent: #8B5CF6;
  --accent-light: #DDD6FE;
  --grad-brand: linear-gradient(135deg, #6366F1 0%, #8B5CF6 55%, #A855F7 100%);
  --grad-brand-hover: linear-gradient(135deg, #4F46E5 0%, #7C3AED 55%, #9333EA 100%);
  --grad-soft: linear-gradient(135deg, #EEF2FF 0%, #F5F3FF 50%, #FDF4FF 100%);

  --success: #10B981;
  --success-dark: #059669;
  --success-light: #ECFDF5;
  --danger: #EF4444;
  --danger-dark: #DC2626;
  --danger-light: #FEF2F2;
  --danger-100: #FEE2E2;
  --danger-200: #FECACA;
  --danger-700: #B91C1C;
  --warning: #F59E0B;
  --warning-dark: #D97706;
  --warning-light: #FFFBEB;

  /* 中性色：偏冷的石板灰，更高级 */
  --gray-50: #F8FAFC;
  --gray-100: #F1F5F9;
  --gray-200: #E2E8F0;
  --gray-300: #CBD5E1;
  --gray-400: #94A3B8;
  --gray-500: #64748B;
  --gray-600: #475569;
  --gray-700: #334155;
  --gray-800: #1E293B;
  --gray-900: #0F172A;
  --white: #FFFFFF;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;

  /* 圆角：更大更柔和 */
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;

  /* 阴影：分层、带品牌色微光 */
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .04), 0 2px 8px rgba(15, 23, 42, .05);
  --shadow: 0 4px 6px -1px rgba(15, 23, 42, .06), 0 10px 24px -4px rgba(15, 23, 42, .08);
  --shadow-lg: 0 12px 24px -6px rgba(15, 23, 42, .10), 0 24px 48px -12px rgba(15, 23, 42, .12);
  --shadow-glow: 0 8px 28px rgba(99, 102, 241, .28);
  --shadow-md: 0 4px 10px -2px rgba(15, 23, 42, .08), 0 12px 24px -6px rgba(15, 23, 42, .10);

  /* 兼容别名：旧组件引用了这些名字，补齐避免声明被静默丢弃 */
  --brand-500: var(--primary);
  --brand-600: var(--primary-dark);
  --primary-500: var(--primary);
  --primary-600: var(--primary-dark);
  --border-color: rgba(15, 23, 42, .08);
  --surface: #FFFFFF;

  /* 琥珀（团队/邀请/警示）与翠绿（成功/回复）阶 */
  --amber-100: #FEF3C7;
  --amber-200: #FDE68A;
  --amber-700: #B45309;
  --amber-800: #92400E;
  --emerald-100: #ECFDF5;
  --emerald-200: #A7F3D0;
  --emerald-700: #047857;

  --transition: 0.2s cubic-bezier(.4, 0, .2, 1);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
  background-clip: padding-box;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.7;
  color: var(--gray-800);
  background:
    radial-gradient(1200px 600px at 85% -10%, rgba(139, 92, 246, .10), transparent 60%),
    radial-gradient(1000px 500px at -10% 10%, rgba(99, 102, 241, .10), transparent 55%),
    linear-gradient(180deg, #FBFCFF 0%, var(--gray-50) 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Utility */
.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.8);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid rgba(15, 23, 42, .06);
  box-shadow: 0 1px 2px rgba(15, 23, 42, .03);
}

/* ============================================================
   Header — User Area & Login Button
   ============================================================ */
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.logo-mark {
  flex-shrink: 0;
  display: block;
  border-radius: 9px;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.5px;
}

.site-nav {
  display: flex;
  gap: 24px;
}

.site-nav a {
  color: var(--gray-600);
  font-size: 14px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 999px;
  transition: color var(--transition), background var(--transition);
}

.site-nav a:hover {
  color: var(--primary-dark);
  background: var(--primary-50);
  text-decoration: none;
}

/* ============================================================
   Hero / Upload Section — Minimalist Studio Style
   ============================================================ */
.hero {
  padding: 56px 24px 40px;
  text-align: center;
  position: relative;
  background:
    radial-gradient(800px 340px at 50% -10%, rgba(99, 102, 241, .10), transparent 70%),
    linear-gradient(180deg, rgba(255, 255, 255, .6) 0%, rgba(248, 250, 252, .9) 100%);
  border-bottom: 1px solid rgba(15, 23, 42, .06);
}

.hero-content {
  max-width: 720px;
  margin: 0 auto;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .9);
  border: 1px solid rgba(15, 23, 42, .08);
  box-shadow: 0 1px 2px rgba(15, 23, 42, .03);
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 18px;
  letter-spacing: 0.2px;
}

.eyebrow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, .18);
}

.hero h1 {
  font-size: clamp(28px, 4.2vw, 44px);
  font-weight: 800;
  letter-spacing: -1.2px;
  color: var(--gray-900);
  line-height: 1.15;
  margin-bottom: 12px;
  white-space: nowrap;
}

@media (max-width: 480px) {
  .hero h1 { white-space: normal; }
}

.highlight {
  background: var(--grad-brand);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-subtitle {
  font-size: 15px;
  color: var(--gray-500);
  margin-bottom: 22px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* Trust Badges */
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-bottom: 26px;
}

.trust-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: rgba(255, 255, 255, .85);
  border: 1px solid rgba(15, 23, 42, .07);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  color: var(--gray-600);
  backdrop-filter: blur(6px);
  transition: all var(--transition);
}

.trust-badge:hover {
  border-color: rgba(99, 102, 241, .28);
  color: var(--gray-800);
  transform: translateY(-1px);
}

.trust-badge svg {
  color: var(--primary);
  flex-shrink: 0;
}

/* Dropzone — Sleek Horizontal Studio Card */
.dropzone {
  border: 1.5px dashed rgba(99, 102, 241, .32);
  border-radius: 20px;
  padding: 22px 26px;
  cursor: pointer;
  background: var(--surface);
  box-shadow:
    0 10px 30px -10px rgba(15, 23, 42, .07),
    0 2px 6px rgba(15, 23, 42, .03),
    inset 0 0 0 4px rgba(248, 250, 252, .8);
  transition: all 0.22s cubic-bezier(.4, 0, .2, 1);
  outline: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  text-align: left;
}

.dropzone:hover,
.dropzone:focus,
.dropzone.dragover {
  border-color: var(--primary);
  border-style: solid;
  background: var(--surface);
  box-shadow:
    0 16px 36px -8px rgba(79, 70, 229, .14),
    0 0 0 4px rgba(99, 102, 241, .08);
  transform: translateY(-2px);
}

.dropzone-icon {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%);
  color: var(--primary-dark);
  border: 1px solid rgba(99, 102, 241, .16);
  transition: all var(--transition);
}

.dropzone-icon svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
}

.dropzone:hover .dropzone-icon,
.dropzone.dragover .dropzone-icon {
  background: var(--grad-brand);
  color: var(--surface);
  border-color: transparent;
  transform: scale(1.05);
  box-shadow: 0 6px 16px rgba(79, 70, 229, .28);
}

.dropzone-text {
  flex: 1;
  min-width: 0;
  text-align: left;
}

.dropzone-title {
  font-size: 15.5px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 2px;
  letter-spacing: -0.2px;
}

.dropzone-hint {
  font-size: 12.5px;
  color: var(--gray-500);
}

.file-label {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 18px;
  border-radius: 10px;
  background: var(--gray-900);
  color: var(--surface);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition);
  box-shadow: 0 2px 6px rgba(15, 23, 42, .12);
}

.dropzone:hover .file-label {
  background: var(--primary-dark);
  box-shadow: 0 4px 12px rgba(79, 70, 229, .28);
}

.hero-meta-row {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
}

/* ============================================================
   Studio Workspace — Split-Pane Professional PDF Editor
   ============================================================ */
.workspace {
  max-width: 1480px;
  margin: 0 auto;
  padding: 24px 28px 40px;
}

.workspace-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 400px;
  gap: 20px;
  align-items: start;
}

/* 右侧属性工作台 + 左侧画布舞台 */
.controls-panel { order: 2; }
.preview-panel { order: 1; }

@media (max-width: 960px) {
  .workspace { padding: 16px; }
  .workspace-inner { grid-template-columns: 1fr; }
  .controls-panel {
    order: 0;
    position: static;
    height: auto;
    max-height: none;
    overflow: visible;
  }
  .controls-body {
    overflow-y: visible;
    max-height: none;
    padding: 16px;
  }
  .preview-panel {
    order: 0;
    position: static;
    height: 68vh;
    min-height: 460px;
  }
}

/* Controls Inspector Panel */
.controls-panel {
  background: var(--surface);
  border-radius: 20px;
  border: 1px solid rgba(15, 23, 42, .08);
  box-shadow:
    0 12px 32px -8px rgba(15, 23, 42, .07),
    0 2px 6px -1px rgba(15, 23, 42, .04);
  position: sticky;
  top: 76px;
  height: calc(100vh - 96px);
  min-height: 580px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel-header {
  padding: 16px 18px 14px;
  border-bottom: 1px solid rgba(15, 23, 42, .06);
  background: var(--surface);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.panel-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-title {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: -0.2px;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.panel-title::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--grad-brand);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, .14);
}

.panel-subtitle {
  font-size: 11.5px;
  font-weight: 500;
  color: var(--gray-400);
}

/* Top Mode Segmented Switch */
.mode-segmented.radio-group-inline {
  margin-bottom: 0;
  background: var(--gray-100);
  padding: 3.5px;
  border-radius: 11px;
  border: 1px solid rgba(15, 23, 42, .05);
  gap: 4px;
}

.mode-segmented .mode-tab {
  gap: 6px;
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-500);
}

.mode-segmented .mode-tab svg {
  opacity: 0.75;
  transition: transform var(--transition), opacity var(--transition);
}

.mode-segmented .mode-tab:has(input:checked) {
  background: var(--surface);
  color: var(--gray-900);
  border-color: rgba(15, 23, 42, .06);
  box-shadow: 0 2px 6px rgba(15, 23, 42, .06), 0 1px 2px rgba(15, 23, 42, .04);
}

.mode-segmented .mode-tab:has(input:checked) svg {
  color: var(--primary-dark);
  opacity: 1;
}

/* Inspector Scrollable Body */
.controls-body {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  padding: 14px 16px;
  background: var(--gray-50);
  display: flex;
  flex-direction: column;
  gap: 12px;
  scrollbar-width: thin;
  scrollbar-color: var(--gray-300) transparent;
}

.controls-body::-webkit-scrollbar {
  width: 5px;
}
.controls-body::-webkit-scrollbar-track {
  background: transparent;
}
.controls-body::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 999px;
}

.mode-pane {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Modular Inspector Section Cards */
.inspector-section {
  background: var(--surface);
  border: 1px solid rgba(15, 23, 42, .06);
  border-radius: 14px;
  padding: 14px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, .02);
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  gap: 8px;
}

.section-head .group-label {
  margin-bottom: 0;
}

.section-badge {
  font-size: 11px;
  font-weight: 500;
  color: var(--gray-400);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  padding: 1px 8px;
  border-radius: 999px;
}

.control-group {
  margin-bottom: 12px;
  min-width: 0;
}
.control-group:last-child { margin-bottom: 0; }

.group-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2px;
  color: var(--gray-800);
  margin-bottom: 8px;
}

.sub-label {
  display: block;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--gray-600);
  margin-bottom: 6px;
}

/* 2x2 Bento Strategy Grid */
.strategy-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 8px;
}

.option-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 8px;
  padding: 11px 12px;
  border: 1px solid var(--gray-200);
  border-radius: 11px;
  cursor: pointer;
  background: var(--surface);
  transition: all 0.18s cubic-bezier(.4, 0, .2, 1);
  user-select: none;
  margin-bottom: 0;
}

.option-card:hover {
  border-color: var(--gray-300);
  background: #FAFBFF;
}

.option-card:has(input:checked) {
  border-color: var(--primary);
  background: linear-gradient(180deg, #F5F7FF 0%, var(--surface) 100%);
  box-shadow: 0 2px 8px rgba(79, 70, 229, .08), inset 0 0 0 0.5px var(--primary);
}

.option-card input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.option-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.option-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-100);
  color: var(--gray-600);
  transition: all var(--transition);
  flex-shrink: 0;
}

.option-card:has(input:checked) .option-icon {
  background: var(--primary-dark);
  color: var(--surface);
  box-shadow: 0 3px 8px rgba(79, 70, 229, .24);
}

.option-check {
  width: 16px;
  height: 16px;
  border-radius: 5px;
  border: 1.5px solid var(--gray-300);
  background: var(--surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}

.option-check::after {
  content: '';
  width: 8px;
  height: 4.5px;
  border-left: 1.8px solid var(--surface);
  border-bottom: 1.8px solid var(--surface);
  transform: rotate(-45deg) translate(0.5px, -0.5px) scale(0);
  transition: transform 0.15s ease;
}

.option-card:has(input:checked) .option-check {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
}

.option-card:has(input:checked) .option-check::after {
  transform: rotate(-45deg) translate(0.5px, -0.5px) scale(1);
}

.option-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.option-text strong {
  font-size: 12.5px;
  color: var(--gray-900);
  font-weight: 600;
  line-height: 1.3;
}

.option-text small {
  font-size: 11px;
  color: var(--gray-500);
  line-height: 1.35;
}

/* Compact Full-Width Warning Option Card (Aggressive Annotations) */
.option-card.option-card-compact {
  flex-direction: row;
  align-items: center;
  gap: 10px;
  padding: 9px 11px;
  background: var(--gray-50);
  border-style: dashed;
}

.option-card.option-card-compact .option-text {
  flex: 1;
}

.option-card.option-card-compact .option-icon-warn {
  width: 26px;
  height: 26px;
  color: var(--warning-dark);
  background: var(--amber-100);
}

.option-card.option-card-compact:has(input:checked) {
  border-style: solid;
  border-color: var(--warning);
  background: var(--warning-light);
  box-shadow: none;
}

.option-card.option-card-compact:has(input:checked) .option-icon-warn {
  background: var(--warning);
  color: var(--surface);
  box-shadow: none;
}

.option-card.option-card-compact:has(input:checked) .option-check {
  background: var(--warning-dark);
  border-color: var(--warning-dark);
}

/* Precision Sliders & Slider Grid */
.slider-grid {
  gap: 8px;
  margin-top: 10px;
}

.slider-card {
  background: var(--gray-50);
  border: 1px solid rgba(15, 23, 42, .05);
  border-radius: 10px;
  padding: 9px 11px;
}

.slider-card-full {
  margin-top: 8px;
}

.slider-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  margin-bottom: 6px;
}

.slider-header .group-label,
.slider-header .sub-label {
  margin-bottom: 0;
}

.slider-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 0;
  min-width: 0;
}

.range-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  flex: 1;
  height: 5px;
  cursor: pointer;
  min-width: 0;
  border-radius: 999px;
  background: var(--gray-200);
  outline: none;
  transition: background var(--transition);
}

.range-slider:hover {
  background: var(--gray-300);
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--primary-dark);
  box-shadow: 0 1px 4px rgba(15, 23, 42, .18);
  cursor: grab;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.12);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, .14);
}

.range-slider::-moz-range-thumb {
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--surface);
  border: 2px solid var(--primary-dark);
  box-shadow: 0 1px 4px rgba(15, 23, 42, .18);
  cursor: grab;
}

.range-value {
  font-size: 11.5px;
  font-weight: 700;
  color: var(--primary-dark);
  background: var(--primary-50);
  border: 1px solid rgba(99, 102, 241, .16);
  border-radius: 6px;
  padding: 1px 7px;
  min-width: 40px;
  text-align: center;
  font-variant-numeric: tabular-nums;
  line-height: 1.4;
}

/* Segmented Radio Pills */
.radio-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 8px;
}

.radio-group-inline {
  display: flex;
  flex-direction: row;
  background: var(--gray-100);
  padding: 3.5px;
  border-radius: 10px;
  gap: 3px;
  border: 1px solid rgba(15, 23, 42, .05);
  margin-bottom: 0;
}

.radio-group-inline label {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6.5px 10px;
  border-radius: 7px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--gray-600);
  cursor: pointer;
  transition: all 0.18s ease;
  user-select: none;
  text-align: center;
  border: 1px solid transparent;
  white-space: nowrap;
}

.radio-group-inline label:hover {
  color: var(--gray-900);
}

.radio-group-inline label:has(input:checked) {
  background: var(--surface);
  color: var(--primary-dark);
  border-color: rgba(15, 23, 42, .06);
  box-shadow: 0 1px 3px rgba(15, 23, 42, .06), 0 1px 2px rgba(15, 23, 42, .04);
}

.radio-group-inline input[type="radio"] {
  display: none;
}

.custom-range-input {
  margin-top: 8px;
}

/* Text Inputs & Selects */
.text-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--gray-200);
  border-radius: 9px;
  font-size: 13px;
  font-family: inherit;
  color: var(--gray-800);
  background: var(--gray-50);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.text-input:hover {
  border-color: var(--gray-300);
}

.text-input:focus {
  border-color: var(--primary);
  background: var(--surface);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, .12);
}

/* 密码框右侧「小眼睛」显示/隐藏 */
.pw-wrap {
  position: relative;
  display: block;
}

.pw-wrap > .text-input {
  padding-right: 40px;
}

.pw-eye {
  position: absolute;
  top: 50%;
  right: 8px;
  transform: translateY(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  padding: 0;
  border: none;
  background: none;
  color: var(--gray-400);
  cursor: pointer;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}

.pw-eye:hover {
  color: var(--gray-700);
  background: var(--gray-100);
}

.text-area {
  min-height: 68px;
  resize: vertical;
  line-height: 1.5;
}

/* Image Upload Box in Add-Watermark Mode */
.image-upload-box {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 14px;
  border: 1.5px dashed var(--gray-300);
  border-radius: 10px;
  background: var(--gray-50);
  color: var(--gray-600);
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
}

.image-upload-box:hover {
  border-color: var(--primary);
  background: var(--primary-50);
  color: var(--primary-dark);
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.control-grid-align {
  grid-template-columns: 1fr 96px;
  align-items: end;
}

.control-grid > * {
  min-width: 0;
}

.color-picker-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 4px 8px;
  border: 1px solid var(--gray-200);
  border-radius: 9px;
  background: var(--gray-50);
  cursor: pointer;
  transition: border-color var(--transition);
}

.color-picker-wrap:hover {
  border-color: var(--gray-300);
}

.color-input {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border: none;
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
  padding: 0;
}

.color-input::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-input::-webkit-color-swatch {
  border: 1px solid rgba(15, 23, 42, .12);
  border-radius: 5px;
}

.color-picker-hint {
  font-size: 12px;
  color: var(--gray-600);
  font-weight: 500;
}

.hint-text {
  font-size: 11.5px;
  color: var(--gray-400);
  line-height: 1.45;
  margin-top: 6px;
}

.btn-text-action {
  background: none;
  border: none;
  color: var(--danger);
  font-size: 11.5px;
  font-weight: 600;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 5px;
  transition: background var(--transition);
}

.btn-text-action:hover {
  background: var(--danger-light);
}

/* Sticky Controls Footer & Action Buttons */
.controls-footer {
  flex-shrink: 0;
  padding: 12px 16px 16px;
  border-top: 1px solid rgba(15, 23, 42, .06);
  background: var(--surface);
}

.action-buttons {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 0;
}

.primary-actions-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 10px 18px;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.18s cubic-bezier(.4, 0, .2, 1);
  width: 100%;
}

.btn-primary {
  background: var(--gray-900);
  background-image: linear-gradient(180deg, rgba(255,255,255,.08) 0%, rgba(255,255,255,0) 100%);
  color: var(--white);
  box-shadow: 0 4px 12px rgba(15, 23, 42, .16), inset 0 1px 0 rgba(255, 255, 255, .15);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(79, 70, 229, .28);
  color: var(--white);
}
.btn-primary:active:not(:disabled) { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-success {
  background: linear-gradient(135deg, var(--success) 0%, var(--success-dark) 100%);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(16, 185, 129, .24);
}

.btn-success:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(16, 185, 129, .34);
  color: var(--white);
}

.btn-ghost {
  background: var(--surface);
  color: var(--gray-700);
  border: 1px solid var(--gray-200);
}

.btn-ghost:hover {
  background: var(--gray-50);
  border-color: var(--gray-300);
  color: var(--gray-900);
}

.btn-ghost-danger:hover {
  background: var(--danger-light);
  border-color: var(--danger-200);
  color: var(--danger-dark);
}

.btn-reset {
  width: auto;
  padding: 10px 13px;
  color: var(--gray-600);
}

.btn-sm { padding: 6px 12px; font-size: 12px; width: auto; border-radius: 8px; }

/* Selection List */
.selection-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-top: 8px;
}

.selection-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 5px 10px;
  background: var(--gray-50);
  border-radius: 7px;
  font-size: 12px;
  color: var(--gray-700);
  border: 1px solid var(--gray-200);
}

.selection-item button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--danger);
  font-size: 15px;
  line-height: 1;
  padding: 0 4px;
}

/* Status Box */
.status-box {
  margin-top: 10px;
  padding: 9px 12px;
  border-radius: 9px;
  font-size: 12px;
  line-height: 1.5;
  border: 1px solid transparent;
}

.status-box.info {
  background: var(--gray-50);
  color: var(--gray-600);
  border-color: var(--gray-200);
}
.status-box.success {
  background: var(--emerald-100);
  color: #065F46;
  border-color: var(--emerald-200);
}
.status-box.error {
  background: var(--danger-light);
  color: #991B1B;
  border-color: var(--danger-200);
}
.status-box.warning {
  background: var(--warning-light);
  color: var(--amber-800);
  border-color: var(--amber-200);
}

/* 处理按钮上方：剩余次数提示 */
.quota-hint {
  font-size: 12px;
  color: var(--gray-600);
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  padding: 6px 12px;
  margin-bottom: 10px;
  text-align: center;
  font-weight: 500;
}
.quota-hint.unlimited {
  color: #3730A3;
  background: var(--primary-50);
  border-color: var(--primary-200);
}
.quota-hint.exhausted {
  color: #991B1B;
  background: var(--danger-light);
  border-color: var(--danger-200);
}

/* ============================================================
   Preview Panel — Architectural Document Stage
   ============================================================ */
.preview-panel {
  background: var(--surface);
  border-radius: 20px;
  border: 1px solid rgba(15, 23, 42, .08);
  box-shadow:
    0 12px 32px -8px rgba(15, 23, 42, .07),
    0 2px 6px -1px rgba(15, 23, 42, .04);
  overflow: hidden;
  position: sticky;
  top: 76px;
  height: calc(100vh - 96px);
  min-height: 580px;
  display: flex;
  flex-direction: column;
}

.preview-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border-bottom: 1px solid rgba(15, 23, 42, .06);
  background: rgba(255, 255, 255, .95);
  backdrop-filter: blur(8px);
  gap: 12px;
  flex-wrap: wrap;
  min-height: 54px;
  flex-shrink: 0;
}

.file-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
}

.file-badge-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--primary-50);
  color: var(--primary-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.file-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-800);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.preview-nav, .zoom-controls {
  display: flex;
  align-items: center;
  gap: 4px;
}

.page-info, .zoom-level {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-600);
  min-width: 48px;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.icon-btn {
  background: var(--surface);
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: 7px;
  width: 26px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-700);
  transition: all var(--transition);
}

.icon-btn:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary-dark);
  background: var(--primary-50);
}
.icon-btn:disabled { opacity: 0.35; cursor: not-allowed; }

/* 水印图层 toggle switch */
.layers-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  color: var(--gray-600);
  user-select: none;
  padding: 0 9px;
  height: 26px;
  border-radius: 7px;
  border: 1px solid rgba(15, 23, 42, .08);
  background: var(--surface);
  transition: all var(--transition);
  margin-left: 4px;
}
.layers-toggle:hover {
  border-color: var(--primary);
  color: var(--primary-dark);
}
.layers-toggle-input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}
.layers-toggle-track {
  position: relative;
  width: 26px;
  height: 15px;
  border-radius: 999px;
  background: var(--gray-300);
  transition: background var(--transition);
  flex-shrink: 0;
}
.layers-toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--surface);
  box-shadow: 0 1px 2px rgba(0,0,0,.2);
  transition: transform var(--transition);
}
.layers-toggle-input:checked ~ .layers-toggle-track {
  background: var(--primary-dark);
}
.layers-toggle-input:checked ~ .layers-toggle-track .layers-toggle-thumb {
  transform: translateX(11px);
}
.layers-toggle-state {
  font-size: 11px;
  font-weight: 600;
  color: var(--gray-400);
  min-width: 12px;
}
.layers-toggle:has(.layers-toggle-input:checked) {
  border-color: rgba(99, 102, 241, .28);
  color: var(--primary-dark);
  background: var(--primary-50);
}
.layers-toggle:has(.layers-toggle-input:checked) .layers-toggle-state {
  color: var(--primary-dark);
}

/* Local preview badge in toolbar */
.preview-local-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--gray-50);
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--gray-600);
  flex-shrink: 0;
}

.local-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}

/* Unified Architectural Studio Canvas Stage */
.canvas-wrapper {
  position: relative;
  flex: 1;
  min-height: 0;
  height: 100%;
  overflow: auto;
  overscroll-behavior: contain;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 28px;
  background-color: #EEF2F6;
  background-image:
    radial-gradient(rgba(15, 23, 42, .07) 1px, transparent 1px);
  background-size: 18px 18px;
  box-shadow: inset 0 2px 6px rgba(15, 23, 42, .03);
  scrollbar-width: thin;
  scrollbar-color: var(--gray-300) transparent;
}

.canvas-wrapper::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
.canvas-wrapper::-webkit-scrollbar-track {
  background: transparent;
}
.canvas-wrapper::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: 999px;
}
.canvas-wrapper::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

#pdfCanvas {
  box-shadow:
    0 20px 40px -12px rgba(15, 23, 42, .18),
    0 4px 12px rgba(15, 23, 42, .08),
    0 0 0 1px rgba(15, 23, 42, .06);
  display: block;
  max-width: 100%;
  border-radius: 6px;
  background: var(--surface);
}

/* Empty state */
.preview-empty-state {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  pointer-events: none;
  padding: 24px;
}

.empty-illustration {
  width: 76px;
  height: 76px;
  border-radius: 22px;
  background: var(--surface);
  border: 1px solid rgba(15, 23, 42, .06);
  box-shadow: 0 10px 24px -6px rgba(15, 23, 42, .08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 4px;
}

.preview-empty-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-800);
  letter-spacing: -0.2px;
}

.preview-empty-hint {
  font-size: 12.5px;
  color: var(--gray-500);
}

.preview-empty-badges {
  display: flex;
  gap: 6px;
  margin-top: 6px;
  flex-wrap: wrap;
  justify-content: center;
}

.preview-empty-badges span {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  color: var(--gray-600);
  background: rgba(255, 255, 255, .85);
}

.selection-canvas {
  position: absolute;
  top: 0;
  left: 0;
  cursor: crosshair;
  pointer-events: none;
}

.selection-canvas.active {
  pointer-events: auto;
}

/* Processing Overlay */
.processing-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: blur(8px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  z-index: 10;
}

.processing-overlay p {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--gray-800);
  letter-spacing: 0.2px;
}

.spinner {
  width: 38px;
  height: 38px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary-dark);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   Features Section
   ============================================================ */
.features-section {
  background: rgba(255,255,255,.88);
  border-top: 1px solid var(--gray-200);
  padding: 64px 24px;
}

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section-title {
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-900);
  text-align: center;
  margin-bottom: 40px;
  letter-spacing: -0.5px;
}

.features-subtitle {
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-400);
  letter-spacing: 0.5px;
  margin-top: -28px;
  margin-bottom: 40px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.feature-card {
  padding: 28px 24px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  transition: box-shadow var(--transition), transform var(--transition);
}

.feature-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-3px);
}

.feature-icon { font-size: 32px; margin-bottom: 12px; }

.feature-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-50);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.feature-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ============================================================
   How to Use Section
   ============================================================ */
.howto-section {
  padding: 64px 24px;
  background: radial-gradient(circle at 10% 0%, #f8faff 0%, var(--gray-50) 40%, #f4f8ff 100%);
}

.steps {
  display: flex;
  gap: 32px;
  justify-content: center;
  flex-wrap: wrap;
}

.step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  max-width: 280px;
}

.step-number {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--white);
  font-weight: 800;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-content h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-800);
  margin-bottom: 4px;
}

.step-content p {
  font-size: 13px;
  color: var(--gray-500);
  line-height: 1.6;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  background: linear-gradient(180deg, var(--gray-900) 0%, #131C33 100%);
  color: var(--gray-400);
  padding: 40px 24px;
  text-align: center;
}

.footer-inner { max-width: 1200px; margin: 0 auto; }

.site-footer a { color: var(--gray-300); }
.site-footer a:hover { color: var(--white); text-decoration: none; }

.site-footer p { font-size: 13px; }

.footer-business {
  margin-top: 8px;
  font-size: 13px;
}

.footer-business a { color: var(--gray-300); }
.footer-business a:hover { color: var(--white); }

/* ============================================================
   Header User Area
   ============================================================ */
.header-user {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.user-area {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
  min-width: 0;
}

.user-nickname {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-700);
  max-width: 96px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: max-width .2s ease;
}

/* 鼠标悬停展开完整用户名 */
.user-nickname:hover {
  max-width: 280px;
}

.btn-logout {
  font-size: 12px;
  color: var(--gray-400);
  background: none;
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  padding: 3px 8px;
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
  white-space: nowrap;
}

.btn-logout:hover {
  background: var(--gray-100);
  color: var(--gray-600);
}

.admin-link {
  font-size: 12px;
  color: var(--primary);
  text-decoration: none;
  padding: 3px 8px;
  border: 1px solid var(--primary-100);
  border-radius: 6px;
  flex-shrink: 0;
  white-space: nowrap;
  transition: all var(--transition);
}

.admin-link:hover {
  background: var(--primary-50);
}

/* Plan Badges */
.plan-badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}

.plan-team {
  background: var(--amber-100);
  color: var(--amber-800);
  border: 1px solid var(--amber-200);
}

/* 永久会员徽章：金色渐变，最醒目 */
.plan-lifetime {
  background: linear-gradient(135deg, var(--amber-200), var(--warning));
  color: #7C2D12;
  border: 1px solid var(--warning);
  font-weight: 700;
}

/* WeChat Login Button */
.btn-wechat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: #07C160;
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
}

.btn-wechat:hover {
  background: #06AD56;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(7,193,96,.3);
}

/* ============================================================
   WeChat Login Modal
   ============================================================ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-box {
  background: rgba(255,255,255,.88);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  padding: 32px 28px;
  width: 100%;
  max-width: 360px;
  position: relative;
  text-align: center;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 14px;
  background: none;
  border: none;
  font-size: 22px;
  color: var(--gray-400);
  cursor: pointer;
  line-height: 1;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition);
}

.modal-close:hover {
  background: var(--gray-100);
  color: var(--gray-700);
}

.modal-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.wechat-qr-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.wechat-qr-placeholder {
  width: 160px;
  height: 160px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  background: #F9FAFB;
}

.wechat-qr-hint {
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-700);
  margin-top: 4px;
}

.wechat-qr-sub {
  font-size: 12px;
  color: var(--gray-400);
}

.btn-wechat-full {
  width: 100%;
  padding: 10px;
  background: #07C160;
  color: var(--white);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}

.btn-wechat-full:hover {
  background: #06AD56;
}

/* ============================================================
   Phone + SMS Login Form（美化版）
   ============================================================ */
.modal-box-sm {
  max-width: 380px;
  text-align: left;
  padding: 36px 32px 28px;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 20px 60px rgba(17, 24, 39, .18), 0 4px 16px rgba(17, 24, 39, .08);
  animation: modal-pop .28s cubic-bezier(.34, 1.4, .64, 1);
}

@keyframes modal-pop {
  from { opacity: 0; transform: translateY(14px) scale(.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-box-sm .modal-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--gray-900);
  justify-content: flex-start;
  margin-bottom: 6px;
}

.modal-subtitle {
  font-size: 13px;
  color: var(--gray-400);
  text-align: left;
  margin: 0 0 24px;
}

/* 登录/注册弹框：内容超出高度时可滚动，关闭按钮固定在右上角 */
#loginModal .modal-box {
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 32px);
  max-height: calc(100dvh - 32px);
  overflow: hidden;
}

#loginModal .modal-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  /* 负外边距 + 内边距：让滚动条贴到弹框内侧，内容不被压住 */
  margin: 0 -16px;
  padding: 0 16px;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* 登录通道切换（手机号 / 邮箱） */
.login-tabs {
  display: flex;
  background: var(--gray-100);
  border-radius: 12px;
  padding: 4px;
  gap: 4px;
  margin-bottom: 18px;
}

/* 登录方式切换（验证码 / 密码，默认验证码登录） */
.login-switch { text-align: right; margin: -6px 0 14px; }
.login-switch.hidden { display: none; }
.login-switch-btn {
  background: none;
  border: none;
  padding: 0;
  color: var(--primary-dark);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
}
.login-switch-btn:hover { text-decoration: underline; }

.login-forgot { text-align: right; margin: -6px 0 12px; font-size: 12.5px; }
.login-forgot a { color: var(--primary-dark); text-decoration: none; }
.login-forgot a:hover { text-decoration: underline; }
.login-forgot.hidden { display: none; }

.login-tab {
  flex: 1;
  padding: 9px 0;
  border: none;
  background: transparent;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gray-500);
  cursor: pointer;
  transition: all .18s;
}

.login-tab:hover { color: var(--gray-700); }

.login-tab.active {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: var(--shadow-sm);
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
  letter-spacing: .2px;
}

/* 输入框统一加高、圆角、聚焦光环 */
.login-form .text-input {
  height: 46px;
  padding: 0 14px;
  font-size: 15px;
  border-radius: 12px;
  border: 1.5px solid var(--gray-200);
  background: var(--gray-50);
  transition: border-color .18s, box-shadow .18s, background .18s;
}

.login-form .text-input:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(79, 70, 229, .12);
  outline: none;
}

/* 验证码行：输入框吃掉剩余宽度，按钮固定宽度 */
.code-row {
  display: flex;
  gap: 10px;
  align-items: stretch;
}

/* 验证码行：输入框占满剩余宽度，按钮保持自身宽度不被压缩 */
.code-row .text-input {
  flex: 1 1 auto;
  min-width: 0;
}

.code-row .btn {
  flex: 0 0 auto;
  white-space: nowrap;
}

.code-input {
  flex: 1 1 auto;
  width: auto;
  min-width: 0;
  letter-spacing: 6px;
  font-weight: 600;
  font-size: 17px;
  text-align: center;
}

/* 关键修复：覆盖 .btn 的 width:100%，否则在 flex 行里按钮吃满、输入框塌缩 */
.btn-send-code {
  width: auto;
  flex: 0 0 auto;
  padding: 0 18px;
  height: 46px;
  background: #fff;
  color: var(--primary);
  border: 1.5px solid var(--primary);
  border-radius: 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .18s;
  white-space: nowrap;
}

.btn-send-code:hover:not(:disabled) {
  background: var(--primary);
  color: #fff;
  transform: translateY(-1px);
}

.btn-send-code:disabled {
  color: var(--gray-400);
  border-color: var(--gray-200);
  background: var(--gray-50);
  cursor: not-allowed;
  transform: none;
}

.btn-primary-full {
  width: 100%;
  height: 48px;
  background: linear-gradient(135deg, var(--primary) 0%, #6D5BF0 100%);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all .18s;
  margin-top: 6px;
  box-shadow: 0 6px 18px rgba(79, 70, 229, .32);
}

.btn-primary-full:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(79, 70, 229, .4);
}

.btn-primary-full:active:not(:disabled) {
  transform: translateY(0);
}

.btn-primary-full:disabled {
  background: var(--gray-300);
  box-shadow: none;
  cursor: not-allowed;
}

.form-error {
  padding: 10px 14px;
  background: var(--danger-light);
  border: 1px solid var(--danger-200);
  border-radius: 10px;
  font-size: 13px;
  color: var(--danger-700);
  animation: shake .3s;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

.login-footer-hint {
  margin-top: 20px;
  font-size: 12px;
  color: var(--gray-400);
  text-align: center;
  line-height: 1.6;
}

.link-muted {
  color: var(--gray-500);
  text-decoration: none;
  border-bottom: 1px dashed var(--gray-300);
  transition: color .15s, border-color .15s;
}

.link-muted:hover {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* ============================================================
   Upgrade Modal (Pro 升级引导)
   ============================================================ */
.upgrade-box {
  text-align: center;
  padding-top: 44px;
}

.upgrade-icon {
  position: absolute;
  top: -26px;
  left: 50%;
  transform: translateX(-50%);
  width: 56px;
  height: 56px;
  border-radius: 18px;
  background: var(--grad-brand);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
}

.upgrade-title {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.4px;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.upgrade-reason {
  font-size: 14px;
  color: var(--gray-500);
  margin-bottom: 20px;
  line-height: 1.6;
}

/* 醒目的"问题原因"条：让用户一眼知道卡在哪里 */
.upgrade-problem {
  text-align: left;
  margin: 4px 0 14px;
  padding: 12px 14px;
  border-radius: 10px;
  background: var(--danger-light);
  border: 1px solid var(--danger-200);
  color: var(--danger-700);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
  word-break: break-word;
}
.upgrade-problem::before {
  content: '⚠ ';
  font-size: 15px;
}
.upgrade-problem strong {
  color: #991B1B;
  font-weight: 800;
  background: rgba(239, 68, 68, .12);
  padding: 0 4px;
  border-radius: 4px;
  white-space: nowrap;
}

.upgrade-benefits {
  list-style: none;
  text-align: left;
  background: var(--primary-50);
  border: 1px solid var(--primary-100);
  border-radius: 14px;
  padding: 16px 18px;
  margin-bottom: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.upgrade-benefits li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: var(--gray-700);
  line-height: 1.5;
}

.upgrade-benefits strong {
  color: var(--primary-dark);
  white-space: nowrap;
}

.benefit-check {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--grad-brand);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.upgrade-later {
  width: 100%;
  margin-top: 10px;
  background: none;
  border: none;
  color: var(--gray-400);
  font-size: 13px;
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}

.upgrade-later:hover {
  color: var(--gray-600);
  background: var(--gray-100);
}

/* ============================================================
   Checkout Modal (收银台)
   ============================================================ */
.checkout-box { padding-top: 36px; max-width: 760px; }

/* 套餐横向排列：一行放几个，放不下自动换到下一排；
   排数再多则区域纵向滚动，避免弹框超出屏幕。 */
.sku-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
  max-height: 46vh;
  overflow-y: auto;
  padding: 2px;
  scrollbar-gutter: stable;
}

@media (max-width: 600px) {
  .checkout-box { max-width: 400px; }
  .sku-list { grid-template-columns: 1fr; max-height: 52vh; }
}

.sku-card {
  position: relative;
  display: block;
  border: 1.5px solid var(--gray-200);
  border-radius: 14px;
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color .18s, box-shadow .18s, background .18s;
  background: #fff;
}

.sku-card input { position: absolute; opacity: 0; }

.sku-card:hover { border-color: var(--primary-light); }

.sku-card:has(input:checked) {
  border-color: var(--primary);
  background: var(--primary-50);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, .12);
}

.sku-body { display: flex; flex-direction: column; gap: 2px; }

.sku-name { font-size: 14px; font-weight: 700; color: var(--gray-800); display: flex; align-items: center; flex-wrap: wrap; gap: 6px 8px; line-height: 1.5; }

.sku-save {
  font-style: normal;
  flex: none;
  font-size: 10px;
  font-weight: 700;
  color: #fff;
  background: var(--grad-brand);
  border-radius: 999px;
  padding: 2px 8px;
  white-space: nowrap;
}

.sku-price { font-size: 20px; font-weight: 800; color: var(--primary-dark); letter-spacing: -0.5px; }

.sku-price-row { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }

.sku-unit {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary-dark);
  background: var(--primary-50);
  border: 1px solid var(--primary-light);
  border-radius: 999px;
  padding: 1px 8px;
  white-space: nowrap;
}

.sku-badge {
  font-style: normal;
  flex: none;
  font-size: 10px;
  font-weight: 800;
  color: var(--amber-700);
  background: var(--amber-100);
  border: 1px solid var(--amber-200);
  border-radius: 999px;
  padding: 2px 8px;
  white-space: nowrap;
}

.sku-desc { font-size: 12px; color: var(--gray-400); }

.checkout-status {
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
  margin-bottom: 14px;
  text-align: center;
}

.checkout-status.waiting { background: var(--primary-50); color: var(--primary-dark); }
.checkout-status.paid { background: var(--emerald-100); color: var(--emerald-700); }
.checkout-status.error { background: var(--danger-light); color: var(--danger-700); }

/* ============================================================
   Contact / 客服
   ============================================================ */
.footer-contact {
  margin-left: 12px;
  background: none;
  border: none;
  color: var(--primary);
  font-size: 13px;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
}

.footer-contact:hover { color: var(--primary-dark); }

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 4px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: 12px 14px;
}

.contact-type {
  flex-shrink: 0;
  font-size: 12px;
  color: var(--gray-400);
}

.contact-value {
  flex: 1;
  font-size: 15px;
  font-weight: 700;
  color: var(--gray-900);
  word-break: break-all;
}

.contact-copy {
  flex-shrink: 0;
  border: 1px solid var(--gray-200);
  background: #fff;
  border-radius: 8px;
  padding: 5px 12px;
  font-size: 12px;
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition);
}

.contact-copy:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ============================================================
   Share / 分享卡片
   ============================================================ */
.share-qr {
  width: 220px;
  height: 220px;
  margin: 4px auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 14px;
  padding: 12px;
}

.share-qr svg {
  width: 100%;
  height: 100%;
  display: block;
}

.share-link {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.share-link .text-input {
  flex: 1;
  text-align: left;
  font-size: 13px;
}

/* ============================================================
   Celebrate / 处理完成庆祝
   ============================================================ */
.celebrate {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

.celebrate-card {
  background: #fff;
  border-radius: 18px;
  padding: 26px 34px;
  box-shadow: 0 20px 60px rgba(17, 24, 39, .25), 0 4px 16px rgba(17, 24, 39, .08);
  text-align: center;
  animation: celebrate-pop .34s cubic-bezier(.34, 1.4, .64, 1);
}

.celebrate-check {
  width: 64px;
  height: 64px;
  margin: 0 auto 12px;
  border-radius: 50%;
  background: var(--grad-brand);
  color: #fff;
  font-size: 36px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
  animation: check-pop .5s ease;
}

.celebrate-title { font-size: 18px; font-weight: 800; color: var(--gray-900); }
.celebrate-sub { font-size: 13px; color: var(--gray-500); margin-top: 6px; }

.confetti-piece {
  position: fixed;
  top: -14px;
  width: 8px;
  height: 12px;
  border-radius: 2px;
  will-change: transform, opacity;
  animation: confetti-fall 1.6s ease-out forwards;
}

@keyframes celebrate-pop {
  from { opacity: 0; transform: translateY(16px) scale(.96); }
  to   { opacity: 1; transform: none; }
}
@keyframes check-pop {
  0%   { transform: scale(0); }
  60%  { transform: scale(1.15); }
  100% { transform: scale(1); }
}
@keyframes confetti-fall {
  0%   { opacity: 1; transform: translateY(0) rotate(0); }
  100% { opacity: 0; transform: translateY(80vh) rotate(560deg); }
}

@media (prefers-reduced-motion: reduce) {
  .confetti-piece { display: none; }
  .celebrate-card, .celebrate-check { animation: none; }
}

/* ============================================================
   Batch / 批量处理
   ============================================================ */
.batch-entry { text-align: center; margin-top: 14px; font-size: 13px; color: var(--gray-500); }

.compliance-note {
  text-align: center;
  margin-top: 10px;
  font-size: 12px;
  color: var(--gray-400);
  line-height: 1.6;
}

.link-btn {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 13px;
  cursor: pointer;
  text-decoration: underline;
  padding: 0;
}

.batch-list {
  list-style: none;
  max-height: 240px;
  overflow-y: auto;
  margin: 12px 0;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.batch-item {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  padding: 7px 2px;
  border-bottom: 1px solid var(--gray-100);
}

.batch-item .bi-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.batch-item .bi-status { flex-shrink: 0; color: var(--gray-400); }
.batch-item.done .bi-status { color: var(--emerald-700); }
.batch-item.error .bi-status { color: var(--danger-700); }

/* ============================================================
   Feedback / 意见反馈
   ============================================================ */
.feedback-fab {
  position: fixed;
  right: 20px;
  bottom: 22px;
  z-index: 90;
  padding: 10px 16px;
  border: none;
  border-radius: 999px;
  background: var(--grad-brand);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(99, 102, 241, .35);
  transition: transform var(--transition), box-shadow var(--transition);
}

.feedback-fab:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(99, 102, 241, .45);
}

.feedback-mine { margin-top: 14px; text-align: left; }
.feedback-mine .fb-item { border-top: 1px solid var(--gray-100); padding: 10px 0; font-size: 13px; color: var(--gray-700); }
.feedback-mine .fb-time { font-size: 11px; color: var(--gray-400); }
.feedback-mine .fb-reply { margin-top: 6px; padding: 8px 10px; background: var(--gray-100); border-radius: 8px; color: var(--gray-700); }

.feedback-msg { font-size: 13px; margin: 4px 0 8px; }
.feedback-msg.error { color: var(--danger-700); }
.feedback-msg.ok { color: var(--emerald-700); }

/* 反馈"感受"选择 */
.mood-row { display: flex; gap: 10px; }
.mood-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 10px 4px;
  font-size: 22px;
  line-height: 1.1;
  background: var(--gray-50, #f9fafb);
  border: 1.5px solid var(--gray-200, #e5e7eb);
  border-radius: 12px;
  cursor: pointer;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}
.mood-btn span { font-size: 12px; color: var(--gray-500); }
.mood-btn:hover { transform: translateY(-2px); }
.mood-btn.active {
  border-color: var(--brand-500, var(--primary));
  background: rgba(99, 102, 241, .08);
  box-shadow: 0 4px 14px rgba(99, 102, 241, .18);
}
.mood-btn.active span { color: var(--brand-600, var(--primary-dark)); font-weight: 600; }

/* 消息中心入口 + 气泡 */
.msg-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  border-radius: 10px;
  background: var(--gray-100);
  color: var(--gray-700);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.msg-btn:hover { background: var(--gray-200); color: var(--brand-600); }
.msg-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 16px;
  height: 16px;
  padding: 0 4px;
  border-radius: 999px;
  background: var(--danger);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  line-height: 16px;
  text-align: center;
  box-shadow: 0 2px 6px rgba(239, 68, 68, .5);
}

/* 消息中心弹框 */
.msg-list { max-height: 60vh; overflow-y: auto; padding: 2px; }
.msg-item {
  padding: 14px 16px;
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  margin-bottom: 12px;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.msg-item:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-200);
}
.msg-item.unread {
  background: var(--gray-50);
  border-left: 4px solid var(--primary-500);
}
.msg-item-head { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.msg-type { font-size: 11px; padding: 2px 9px; border-radius: 999px; font-weight: 600; letter-spacing: 0.2px; }
.msg-type.system { background: var(--primary-50); color: var(--primary-600); border: 1px solid var(--primary-100); }
.msg-type.feedback { background: var(--emerald-100); color: var(--success-dark); border: 1px solid var(--emerald-200); }
.msg-type.invite { background: var(--warning-light); color: var(--amber-700); border: 1px solid var(--amber-200); }
.msg-invite-action { margin-top: 10px; }
.msg-item-title { font-size: 14.5px; font-weight: 700; color: var(--gray-800); flex: 1; }
.msg-item-time { font-size: 12px; color: var(--gray-400); white-space: nowrap; }
.msg-item-body { font-size: 13.5px; color: var(--gray-600); line-height: 1.65; white-space: pre-wrap; word-break: break-word; }
.msg-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--danger); flex: none; box-shadow: 0 0 0 3px rgba(239, 68, 68, .15); }
.msg-empty { padding: 48px 0; text-align: center; color: var(--gray-400); font-size: 14px; }

/* 反馈回复：我的反馈 / 客服回复 对话气泡 */
.msg-thread { display: flex; flex-direction: column; gap: 8px; }
.msg-bubble {
  position: relative;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  line-height: 1.6;
}
.msg-bubble.q { background: var(--gray-50, #f9fafb); border: 1px solid var(--gray-200, #e5e7eb); }
.msg-bubble.a { background: rgba(16, 185, 129, .08); border: 1px solid rgba(16, 185, 129, .25); }
.msg-bubble-tag {
  display: inline-block;
  margin-bottom: 3px;
  font-size: 11px;
  font-weight: 600;
  color: var(--gray-500);
}
.msg-bubble-tag.reply { color: var(--emerald-700); }
.msg-bubble-text { color: var(--gray-700); white-space: pre-wrap; word-break: break-word; }

/* 反馈弹框内「我的反馈」气泡 */
.fb-bubble {
  padding: 8px 11px;
  border-radius: 10px;
  font-size: 13px;
  line-height: 1.6;
  margin-top: 6px;
}
.fb-bubble.q { background: var(--gray-50, #f9fafb); border: 1px solid var(--gray-200, #e5e7eb); }
.fb-bubble.a { background: rgba(16, 185, 129, .08); border: 1px solid rgba(16, 185, 129, .25); }
.fb-bubble.a.pending { background: var(--gray-50, #f9fafb); border-color: var(--gray-200, #e5e7eb); color: var(--gray-400); }
.fb-bubble-tag { display: inline-block; margin-bottom: 3px; font-size: 11px; font-weight: 600; color: var(--gray-500); }
.fb-bubble-tag.reply { color: var(--emerald-700); }
.fb-bubble-text { color: var(--gray-700); white-space: pre-wrap; word-break: break-word; }
.fb-bubble-by { margin-top: 4px; font-size: 11px; color: var(--gray-400); text-align: right; }

/* 「全部已读」按钮 */
.msg-readall {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid var(--gray-200, #e5e7eb);
  border-radius: 999px;
  background: #fff;
  color: var(--gray-600);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.msg-readall:hover {
  border-color: var(--brand-500, var(--primary));
  color: var(--brand-600, var(--primary-dark));
  box-shadow: 0 4px 14px rgba(99, 102, 241, .15);
  transform: translateY(-1px);
}
.msg-readall:disabled { opacity: .55; cursor: default; transform: none; box-shadow: none; }

/* 消息中心独立页面 */
.msg-btn { text-decoration: none; }
.msg-page { max-width: 760px; margin: 0 auto; padding: 36px 20px 72px; }
.msg-page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.msg-page-title { position: relative; padding-left: 20px; font-size: 26px; font-weight: 800; letter-spacing: -0.02em; color: var(--gray-900); margin: 0 0 6px; }
.msg-page-title::before { content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 10px; height: 10px; border-radius: 50%; background: var(--grad-brand); box-shadow: 0 0 0 4px rgba(99, 102, 241, .12); }
.msg-page-sub { font-size: 14px; color: var(--gray-500); margin: 0; }
.msg-filters { display: flex; gap: 8px; margin-bottom: 20px; background: var(--gray-100); padding: 4px; border-radius: 999px; width: fit-content; }
.msg-filter {
  padding: 6px 16px;
  border: none;
  border-radius: 999px;
  background: transparent;
  color: var(--gray-600);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.msg-filter:hover { color: var(--gray-900); }
.msg-filter.active { background: #fff; color: var(--primary-dark); box-shadow: var(--shadow-sm); }
.msg-list-page { max-height: none; }

/* 团队页 */
.team-page { max-width: 820px; margin: 0 auto; padding: 32px 20px 64px; }
.team-section { margin-bottom: 28px; }
.team-empty { padding: 48px 0; text-align: center; color: var(--gray-400); font-size: 14px; }
.team-create-box { background: #fff; border: 1px solid var(--border-color); border-radius: 18px; padding: 18px; margin-top: 14px; }
.team-field { margin-bottom: 12px; }
.team-card { background: #fff; border: 1px solid var(--border-color); border-radius: 18px; padding: 16px; margin-top: 14px; box-shadow: var(--shadow); }
.team-card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.team-name { font-size: 16px; font-weight: 700; color: var(--gray-800); }
.team-seats { font-size: 12px; color: var(--gray-400); margin-top: 2px; }
.team-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.team-table th, .team-table td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--gray-100); color: var(--gray-700); }
.team-table th { color: var(--gray-400); font-weight: 600; font-size: 12px; }
.team-invite-row { display: flex; gap: 8px; margin-top: 12px; }
.team-invite-row .text-input { flex: 1; }
.team-invite-result { margin-top: 10px; font-size: 13px; color: var(--gray-600); }
.team-invite-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 16px; background: #fff; border: 1px solid var(--border-color); border-radius: 14px; margin-top: 12px; }
.team-invite-text { display: flex; flex-direction: column; gap: 3px; font-size: 13px; }
.team-invite-text span { color: var(--gray-400); font-size: 12px; }

/* 团队邀请接受卡片 */
.invite-card-wrap { display: flex; justify-content: center; padding: 40px 0; }
.invite-card {
  width: 100%;
  max-width: 420px;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 32px 26px;
  text-align: center;
}
.invite-badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--amber-700);
  background: var(--warning-light);
  border: 1px solid var(--amber-200);
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 14px;
}
.invite-title { font-size: 20px; font-weight: 800; color: var(--gray-900); margin: 0 0 8px; }
.invite-sub { font-size: 14px; color: var(--gray-500); line-height: 1.6; margin: 0 0 22px; }
.invite-actions { display: flex; gap: 12px; }
.invite-btn {
  flex: 1;
  height: 44px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition);
}
.invite-btn-accept { background: var(--grad-brand); color: #fff; box-shadow: 0 8px 20px rgba(99,102,241,.28); }
.invite-btn-accept:hover { filter: brightness(1.05); transform: translateY(-1px); }
.invite-btn-decline { background: #fff; border-color: var(--gray-200); color: var(--gray-600); }
.invite-btn-decline:hover { border-color: var(--gray-300); background: var(--gray-50, #f9fafb); }
.invite-btn:disabled { opacity: .6; cursor: default; transform: none; }

@media (max-width: 480px) {
  .invite-actions { flex-direction: column; }
}

@media (max-width: 640px) {
  .team-page { padding: 20px 14px 48px; }
  .team-invite-row { flex-direction: column; }
}

@media (max-width: 640px) {
  .msg-page { padding: 20px 14px 48px; }
  .msg-page-head { flex-direction: column; align-items: stretch; }
  .msg-filters { width: 100%; justify-content: stretch; }
  .msg-filter { flex: 1; text-align: center; }
}

/* ============================================================
   Legal Pages (Privacy, Terms)
   ============================================================ */
.legal-wrap {
  max-width: 820px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.legal-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--gray-500);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--gray-200);
  transition: all var(--transition);
}

.legal-back:hover {
  color: var(--primary-600);
  border-color: var(--primary-200);
  background: #fff;
  transform: translateX(-2px);
  box-shadow: var(--shadow-sm);
}

.legal-card {
  background: var(--surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 40px 48px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.legal-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--grad-brand);
}

.legal-card h1 {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--gray-900);
  margin-bottom: 8px;
}

.legal-updated {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--gray-500);
  background: var(--gray-100);
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 28px;
}

.legal-card h2 {
  font-size: 17px;
  font-weight: 700;
  color: var(--gray-900);
  margin: 28px 0 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.legal-card h2::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 16px;
  background: var(--primary-500);
  border-radius: 2px;
}

.legal-card p,
.legal-card li {
  font-size: 14.5px;
  color: var(--gray-600);
  line-height: 1.85;
}

.legal-card ul {
  padding-left: 20px;
  margin: 10px 0;
}

.legal-card li {
  margin-bottom: 6px;
}

.legal-card strong {
  color: var(--gray-900);
}

@media (max-width: 640px) {
  .legal-wrap { padding: 24px 16px 48px; }
  .legal-card { padding: 28px 20px; }
  .legal-card h1 { font-size: 22px; }
}

@media (max-width: 640px) {
  .feedback-fab { right: 12px; bottom: 12px; padding: 8px 12px; font-size: 13px; }
}

/* ============================================================
   Confirm / 通用确认弹框
   ============================================================ */
.confirm-box { text-align: left; }

.confirm-message {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.6;
  margin: 4px 0 0;
}

.confirm-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 22px;
}

.confirm-btn {
  padding: 9px 18px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--gray-200);
  background: #fff;
  color: var(--gray-700);
  transition: all var(--transition);
}

.confirm-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.confirm-actions.emphasis-cancel { flex-direction: row-reverse; }

.confirm-ok {
  border-color: transparent;
  background: var(--grad-brand);
  color: #fff;
}

.confirm-ok:hover {
  color: #fff;
  opacity: .93;
}

/* ============================================================
   Pro Feature Lock Notice
   ============================================================ */
.pro-lock-notice {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: var(--amber-100);
  border: 1px solid var(--amber-200);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
  font-size: 12px;
  color: var(--amber-800);
  gap: 8px;
}

.pro-lock-link {
  font-size: 12px;
  font-weight: 600;
  color: var(--warning-dark);
  white-space: nowrap;
  text-decoration: none;
}

.pro-lock-link:hover {
  text-decoration: underline;
}

/* ============================================================
   Pricing / Plan Section
   ============================================================ */
.pricing-section {
  background:
    radial-gradient(800px 400px at 50% 0%, rgba(99, 102, 241, .08), transparent 60%),
    linear-gradient(180deg, #fff 0%, var(--gray-50) 100%);
  border-top: 1px solid rgba(15, 23, 42, .06);
  padding: 64px 24px;
}

.pricing-section-title {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.8px;
  color: var(--gray-900);
  margin-bottom: 24px;
}

.section-subtitle {
  text-align: center;
  font-size: 15px;
  color: var(--gray-500);
  margin-top: -28px;
  margin-bottom: 40px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}

.pricing-card {
  background: #fff;
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.pricing-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-5px);
  border-color: rgba(99, 102, 241, .3);
}

.pricing-card-pro {
  border-color: transparent;
  background:
    linear-gradient(#fff, #fff) padding-box,
    var(--grad-brand) border-box;
  border: 2px solid transparent;
  box-shadow: var(--shadow-glow);
}

.pricing-current {
  outline: 3px solid var(--primary);
  outline-offset: 3px;
}

.pricing-popular {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: var(--white);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 20px;
  letter-spacing: 0.5px;
}

.pricing-header {
  text-align: center;
  margin-bottom: 16px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--gray-100);
}

.pricing-header .plan-badge {
  font-size: 12px;
  padding: 4px 12px;
  margin-bottom: 12px;
}

.pricing-price {
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-900);
  line-height: 1.1;
  margin: 6px 0 4px;
}

.pricing-unit {
  font-size: 16px;
  font-weight: 400;
  color: var(--gray-500);
}

.pricing-period {
  font-size: 12px;
  color: var(--gray-400);
}

/* 会员补充说明（永久会员 / 体验价等） */
.pricing-member-hint {
  margin-top: 5px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary-dark, var(--primary-dark));
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.pricing-features li {
  font-size: 13px;
  color: var(--gray-600);
  line-height: 1.5;
}

.pricing-features li.locked {
  color: var(--gray-300);
}

/* 定价卡底部 CTA 按钮（整卡也可点击） */
.pricing-card { cursor: pointer; }

.pricing-cta {
  display: block;
  width: 100%;
  margin-top: 20px;
  padding: 11px 16px;
  border-radius: 10px;
  border: 1.5px solid var(--gray-200);
  background: #fff;
  color: var(--gray-800);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
}

.pricing-cta:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.pricing-cta-primary {
  border-color: transparent;
  background: var(--grad-brand);
  color: #fff;
  box-shadow: var(--shadow-glow);
}

.pricing-cta-primary:hover {
  color: #fff;
  opacity: .93;
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
  .header-inner { gap: 8px; }
  .site-nav { gap: 10px; }
  .site-nav a { padding: 6px 8px; font-size: 13px; }
  .header-user { gap: 6px; }
  .user-area { gap: 6px; }
}

/* 空间不足时隐藏导航，优先保证右上角用户区完整显示 */
@media (max-width: 900px) {
  .site-nav { display: none; }
}

@media (max-width: 640px) {
  .site-nav { gap: 16px; }
  .site-nav a:nth-child(1) { display: none; }
  .hero { padding: 40px 16px 32px; }
  .workspace { padding: 16px; }
  .controls-panel { position: static; }
  .steps { flex-direction: column; align-items: center; }
  .step { max-width: 100%; }
  .header-user .user-nickname { display: none; }
  .btn-wechat span { display: none; }
  .pricing-grid { grid-template-columns: 1fr; }
  .dropzone { padding: 18px 16px; gap: 14px; }
  .dropzone-icon { width: 48px; height: 48px; border-radius: 14px; }
  .dropzone-icon svg { width: 24px; height: 24px; }
  .dropzone-title { font-size: 15px; }
}

/* ============================================================
   Canvas Controls Wrapper (page nav + zoom + layers toggle)
   Shown only in canvas/white-cover mode; hidden in embed mode
   ============================================================ */
.canvas-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  background: var(--gray-50);
  border: 1px solid rgba(15, 23, 42, .08);
  border-radius: 10px;
  padding: 4px 6px;
}

/* Visual divider between nav and zoom groups inside canvas-controls pill */
.canvas-controls .zoom-controls {
  padding-left: 6px;
  border-left: 1px solid var(--gray-200);
  margin-left: 2px;
}

/* ============================================================
   PDF iframe Embed Viewer
   ============================================================ */
.pdf-embed-viewer {
  width: 100%;
  height: 100%;
  min-height: 0;
  border: none;
  display: block;
  background: #EEF2F6;
  box-shadow: none;
}

/* Canvas wrapper when in embed mode — unified studio background */
.canvas-wrapper.embed-mode {
  background-color: #EEF2F6;
  background-image: radial-gradient(rgba(15, 23, 42, .07) 1px, transparent 1px);
  background-size: 18px 18px;
  padding: 0;
  min-height: 0;
  height: 100%;
  overflow: hidden;
  display: block;
}

/* ---- 水印模板行（Pro）---- */
.template-lock {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  background: var(--gray-50);
  border: 1px solid rgba(99, 102, 241, .18);
  border-radius: 10px;
}

.template-lock-text {
  font-size: 12px;
  line-height: 1.45;
  color: var(--gray-600);
}

.template-lock .btn {
  flex: none;
  white-space: nowrap;
}

.template-row {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}

.template-row .text-input {
  flex: 1 1 130px;
  min-width: 0;
}

.template-actions {
  display: flex;
  gap: 4px;
  flex: 0 0 auto;
}

.template-row .btn {
  flex: 0 0 auto;
  white-space: nowrap;
}

.pro-tag {
  display: inline-flex;
  align-items: center;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .3px;
  background: linear-gradient(135deg, var(--primary-50) 0%, var(--primary-100) 100%);
  color: var(--primary-dark, #3730A3);
  border: 1px solid rgba(99, 102, 241, .2);
  vertical-align: middle;
}

/* ============================================================
   Admin Dashboard & Management Styles
   ============================================================ */
.admin-shell {
  display: flex;
  max-width: 1360px;
  margin: 0 auto;
  padding: 28px 24px 64px;
  gap: 24px;
  align-items: flex-start;
}

.admin-sidebar {
  width: 210px;
  flex-shrink: 0;
  position: sticky;
  top: 84px;
}

.admin-menu {
  display: flex;
  flex-direction: column;
  gap: 4px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius);
  border: 1px solid rgba(15, 23, 42, 0.08);
  padding: 10px;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
}

.admin-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  text-align: left;
  width: 100%;
  padding: 10px 14px;
  border: none;
  background: none;
  border-radius: 10px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
}

.admin-menu-item svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--gray-400);
  transition: color var(--transition), transform var(--transition);
}

.admin-menu-item:hover {
  background: var(--gray-100);
  color: var(--gray-900);
}

.admin-menu-item:hover svg {
  color: var(--primary);
  transform: scale(1.08);
}

.admin-menu-item.active {
  background: var(--primary-50);
  color: var(--primary-dark);
  font-weight: 700;
}

.admin-menu-item.active svg {
  color: var(--primary);
}

.admin-menu-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 3.5px;
  border-radius: 0 4px 4px 0;
  background: var(--grad-brand);
}

.admin-main {
  flex: 1;
  min-width: 0;
}

.admin-panel > .admin-header:first-child,
.admin-panel > h1:first-child {
  margin-bottom: 22px;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  gap: 16px;
  flex-wrap: wrap;
}

.admin-header h1 {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.6px;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  gap: 10px;
}
.admin-header h1::before {
  content: '';
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--grad-brand);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, .12);
  flex: none;
}

.admin-toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.admin-toolbar .text-input {
  width: 260px;
  height: 40px;
  border-radius: 10px;
}

/* Responsive Table Wrapper */
.admin-table-wrap {
  width: 100%;
  overflow-x: auto;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
  -webkit-overflow-scrolling: touch;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

.admin-table th,
.admin-table td {
  padding: 13px 16px;
  text-align: left;
  font-size: 13px;
  border-bottom: 1px solid var(--gray-100);
  line-height: 1.5;
}

.admin-table th {
  background: var(--gray-50);
  color: var(--gray-600);
  font-weight: 600;
  white-space: nowrap;
  font-size: 12.5px;
  letter-spacing: 0.3px;
  border-bottom: 1px solid var(--gray-200);
}

.admin-table tr:last-child td {
  border-bottom: none;
}

.admin-table tr:hover td {
  background: var(--gray-50);
}

.role-tag,
.plan-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.5;
}

.role-admin {
  background: var(--amber-100);
  color: var(--amber-800);
  border: 1px solid var(--amber-200);
}

.role-user {
  background: var(--gray-100);
  color: var(--gray-600);
  border: 1px solid var(--gray-200);
}

.plan-pro {
  background: var(--primary-100);
  color: var(--primary-dark);
  border: 1px solid var(--primary-light);
}

.plan-free {
  background: var(--gray-100);
  color: var(--gray-600);
  border: 1px solid var(--gray-200);
}

.admin-pagination {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin-top: 24px;
  align-items: center;
}

.admin-pagination button {
  padding: 8px 16px;
  border: 1px solid var(--gray-200);
  background: #fff;
  border-radius: 10px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
  transition: all var(--transition);
}

.admin-pagination button:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-50);
  transform: translateY(-1px);
}

.admin-pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.admin-detail {
  margin-top: 24px;
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid rgba(15, 23, 42, 0.08);
  padding: 24px;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
}

.admin-detail h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  gap: 8px;
}

.admin-detail table {
  width: 100%;
  border-collapse: collapse;
}

.admin-detail td,
.admin-detail th {
  padding: 10px 14px;
  font-size: 12.5px;
  border-bottom: 1px solid var(--gray-100);
  text-align: left;
}

.admin-empty {
  padding: 48px 24px;
  text-align: center;
  color: var(--gray-400);
  font-size: 14px;
}

.btn-mini {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 6px 14px;
  font-size: 12.5px;
  font-weight: 600;
  border-radius: 8px;
  border: 1px solid var(--gray-300);
  background: #fff;
  color: var(--gray-700);
  cursor: pointer;
  transition: all var(--transition);
}

.btn-mini:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-50);
}

.btn-mini-danger {
  border-color: var(--danger-200);
  color: var(--danger-dark);
  background: var(--danger-light);
}

.btn-mini-danger:hover {
  border-color: var(--danger-dark);
  color: var(--danger-dark);
  background: var(--danger-100);
}

.order-filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 16px;
}

.order-filters .text-input {
  width: auto;
  height: 40px;
  border-radius: 10px;
}

.order-custom {
  display: inline-flex;
  gap: 8px;
  align-items: center;
}

/* Modern Analytics / KPI Cards */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
}

.stat-card {
  background: #fff;
  border: 1px solid rgba(15, 23, 42, 0.08);
  border-radius: var(--radius);
  padding: 20px 22px;
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-brand);
  opacity: 0.8;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  border-color: rgba(99, 102, 241, 0.3);
}

.stat-card .sc-num {
  font-size: 28px;
  font-weight: 800;
  color: var(--gray-900);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.5px;
}

.stat-card .sc-label {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 6px;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.fb-reply {
  margin-top: 8px;
  padding: 10px 12px;
  background: var(--gray-100);
  border-radius: 8px;
  font-size: 12.5px;
  color: var(--gray-700);
  white-space: pre-wrap;
  line-height: 1.6;
  border-left: 3px solid var(--primary-light);
}

.fb-reply-input {
  min-width: 220px;
  margin-bottom: 6px;
}

@media (max-width: 840px) {
  .admin-shell {
    flex-direction: column;
    padding: 16px;
    gap: 16px;
  }
  .admin-sidebar {
    width: 100%;
    position: static;
  }
  .admin-menu {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .admin-menu-item {
    width: auto;
    font-size: 13px;
    padding: 8px 12px;
  }
  .admin-menu-item.active::before {
    display: none;
  }
}

/* ============================================================
   多等级身份主题（THEME.md · html[data-tier] 分级）
   ------------------------------------------------------------
   free / pro / lifetime / team / admin 五档；由 app.js 的
   resolveThemeTier() 写入 html[data-tier] 并按需缓存到 localStorage。
   ============================================================ */

:root,
html[data-tier="free"] {
  --primary: #4F46E5;
  --primary-dark: #4338CA;
  --primary-light: #A5B4FC;
  --primary-50: #F1F5F9;
  --primary-100: #E2E8F0;
  --primary-200: #CBD5E1;
  --accent: #64748B;
  --accent-light: #E2E8F0;
  --grad-brand: linear-gradient(135deg, #334155 0%, #475569 55%, #4F46E5 100%);
  --grad-brand-hover: linear-gradient(135deg, #1E293B 0%, #334155 55%, #4338CA 100%);
  --grad-soft: linear-gradient(135deg, #F8FAFC 0%, #F1F5F9 100%);
  --shadow-glow: 0 8px 24px rgba(51, 65, 85, .18);
}

html[data-tier="pro"] {
  --primary: #6366F1;
  --primary-dark: #4F46E5;
  --primary-light: #A5B4FC;
  --primary-50: #EEF2FF;
  --primary-100: #E0E7FF;
  --primary-200: #C7D2FE;
  --accent: #8B5CF6;
  --accent-light: #DDD6FE;
  --grad-brand: linear-gradient(135deg, #4F46E5 0%, #7C3AED 55%, #A855F7 100%);
  --grad-brand-hover: linear-gradient(135deg, #4338CA 0%, #6D28D9 55%, #9333EA 100%);
  --grad-soft: linear-gradient(135deg, #EEF2FF 0%, #F5F3FF 50%, #FDF4FF 100%);
  --shadow-glow: 0 8px 28px rgba(99, 102, 241, .30);
}

html[data-tier="lifetime"] {
  --primary: #D97706;
  --primary-dark: #B45309;
  --primary-light: #FCD34D;
  --primary-50: #FFFBEB;
  --primary-100: #FEF3C7;
  --primary-200: #FDE68A;
  --accent: #F59E0B;
  --accent-light: #FDE68A;
  --grad-brand: linear-gradient(135deg, #1E293B 0%, #B45309 55%, #F59E0B 100%);
  --grad-brand-hover: linear-gradient(135deg, #0F172A 0%, #92400E 55%, #D97706 100%);
  --grad-soft: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 55%, #FAF5FF 100%);
  --shadow-glow: 0 8px 28px rgba(217, 119, 6, .28);
}

html[data-tier="team"] {
  --primary: #059669;
  --primary-dark: #047857;
  --primary-light: #6EE7B7;
  --primary-50: #ECFDF5;
  --primary-100: #D1FAE5;
  --primary-200: #A7F3D0;
  --accent: #0D9488;
  --accent-light: #99F6E4;
  --grad-brand: linear-gradient(135deg, #0F766E 0%, #059669 55%, #10B981 100%);
  --grad-brand-hover: linear-gradient(135deg, #115E59 0%, #047857 55%, #059669 100%);
  --grad-soft: linear-gradient(135deg, #F0FDFA 0%, #ECFDF5 60%, #F0F9FF 100%);
  --shadow-glow: 0 8px 28px rgba(5, 150, 105, .26);
}

html[data-tier="admin"] {
  --primary: #7C3AED;
  --primary-dark: #6D28D9;
  --primary-light: #C4B5FD;
  --primary-50: #F5F3FF;
  --primary-100: #EDE9FE;
  --primary-200: #DDD6FE;
  --accent: #D97706;
  --accent-light: #FDE68A;
  --grad-brand: linear-gradient(135deg, #5B21B6 0%, #7C3AED 50%, #D97706 100%);
  --grad-brand-hover: linear-gradient(135deg, #4C1D95 0%, #6D28D9 50%, #B45309 100%);
  --grad-soft: linear-gradient(135deg, #F5F3FF 0%, #FFFBEB 100%);
  --shadow-glow: 0 8px 28px rgba(124, 58, 237, .28);
}

/* 触点 1：顶栏 Logo 渐变随身份 */
.logo-mark linearGradient stop:nth-child(1) { stop-color: var(--primary); }
.logo-mark linearGradient stop:nth-child(2) { stop-color: var(--accent); }

/* 触点 3：首屏状态胶囊指示灯随身份主色 */
.eyebrow-dot { background: var(--primary); box-shadow: 0 0 0 3px rgba(99, 102, 241, .18); }

/* 触点 4：属性工作台顶部流光饰条 */
.controls-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-brand);
  z-index: 2;
}

/* 触点 5：主执行按钮按身份 */
html[data-tier="free"] #processBtn { background: var(--gray-900); }
html[data-tier="lifetime"] #processBtn {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  border: 1px solid rgba(251, 191, 36, .45);
  color: #FCD34D;
}
html[data-tier="pro"] #processBtn,
html[data-tier="team"] #processBtn,
html[data-tier="admin"] #processBtn { background: var(--grad-brand); }

/* 触点 2：顶栏身份铭牌分级 */
.plan-badge.plan-pro { background: var(--grad-brand); color: #fff; border: none; font-weight: 700; }
.plan-badge.plan-team { background: var(--grad-brand); color: #fff; border: none; font-weight: 700; }
.plan-badge.plan-admin { background: var(--grad-brand); color: #fff; border: none; font-weight: 700; }
.plan-badge.plan-lifetime { background: #0F172A; color: #FCD34D; border: 1px solid rgba(217, 119, 6, .5); font-weight: 700; }

/* 上架开关（后台产品列表） */
.switch { position: relative; display: inline-block; width: 42px; height: 24px; flex: none; vertical-align: middle; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider { position: absolute; inset: 0; background: var(--gray-300); border-radius: 999px; transition: background var(--transition); }
.switch .slider::before { content: ''; position: absolute; width: 18px; height: 18px; left: 3px; top: 3px; background: #fff; border-radius: 50%; transition: transform var(--transition); box-shadow: 0 1px 3px rgba(15,23,42,.25); }
.switch input:checked + .slider { background: var(--primary); }
.switch input:checked + .slider::before { transform: translateX(18px); }

/* 后台侧边栏：菜单顺序编辑 */
.admin-menu-tools { padding: 12px 12px 6px; margin-top: 8px; border-top: 1px solid var(--gray-100); }
.admin-menu-edit-btn {
  width: 100%;
  padding: 8px 10px;
  border: 1px dashed var(--gray-300);
  background: transparent;
  border-radius: 8px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--gray-600);
  cursor: pointer;
  transition: all var(--transition);
}
.admin-menu-edit-btn:hover { border-color: var(--primary); color: var(--primary-dark); }
.admin-menu-edit-btn:disabled { opacity: .6; cursor: default; }
.admin-menu-item { position: relative; }
.menu-editing .admin-menu-item { cursor: grab; }
.menu-editing .admin-menu-item.dragging { opacity: .5; }

/* 备案号（页脚） */
.footer-icp {
  margin-top: 8px;
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 12px;
}
.footer-icp a { color: var(--gray-400); text-decoration: none; }
.footer-icp a:hover { color: var(--gray-600); text-decoration: underline; }

/* 语言切换按钮 */
.lang-toggle {
  padding: 6px 12px;
  border: 1px solid var(--gray-200);
  border-radius: 999px;
  background: #fff;
  color: var(--gray-700);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
}
.lang-toggle:hover { border-color: var(--primary); color: var(--primary-dark); }