/* ============================================================
   site.css - 全局样式
   字体：Syne (标题) + DM Sans (正文)
   主色调：深墨绿 #0A2520 · 亮绿 #22C55E · 金橙 #F59E0B
   ============================================================ */

:root {
  --color-bg: #060D0B;
  --color-surface: #0D1F1A;
  --color-surface-2: #132920;
  --color-border: rgba(34, 197, 94, 0.12);
  --color-primary: #22C55E;
  --color-primary-dark: #16A34A;
  --color-primary-glow: rgba(34, 197, 94, 0.15);
  --color-accent: #F59E0B;
  --color-accent-glow: rgba(245, 158, 11, 0.15);
  --color-text: #E8F5F0;
  --color-text-muted: #6B9980;
  --color-text-dim: #3D6655;
  --color-error: #EF4444;
  --color-warning: #F59E0B;
  --color-success: #22C55E;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(34,197,94,0.15);
  --nav-height: 68px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--color-surface); }
::-webkit-scrollbar-thumb { background: var(--color-text-dim); border-radius: 3px; }

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-height);
  background: rgba(6, 13, 11, 0.85);
  backdrop-filter: blur(20px) saturate(150%);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(6, 13, 11, 0.96);
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-mark {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  color: #000;
  flex-shrink: 0;
}

.logo-text { display: flex; flex-direction: column; }
.logo-main {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--color-text);
  line-height: 1.2;
}
.logo-sub {
  font-size: 10px;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
}

.nav-link {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 14px;
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-link:hover { color: var(--color-text); background: var(--color-surface); }
.nav-link.active { color: var(--color-primary); background: var(--color-primary-glow); }
.nav-icon { font-size: 16px; }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.nav-btn-ghost {
  padding: 8px 18px;
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 500;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  display: flex; align-items: center; gap: 6px;
}
.nav-btn-ghost:hover { color: var(--color-text); border-color: var(--color-primary); }

.nav-btn-primary {
  padding: 8px 20px;
  text-decoration: none;
  color: #000;
  font-size: 14px;
  font-weight: 600;
  background: linear-gradient(135deg, var(--color-primary), #16A34A);
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  box-shadow: 0 0 20px var(--color-primary-glow);
}
.nav-btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 20px var(--color-primary-glow); }

/* User Menu */
.user-menu-wrapper { position: relative; }
.user-avatar-btn {
  display: flex; align-items: center; gap: 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  cursor: pointer;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 14px;
  transition: all 0.2s;
}
.user-avatar-btn:hover { border-color: var(--color-primary); }

.user-avatar {
  width: 28px; height: 28px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; color: #000;
  flex-shrink: 0;
}

.user-name-short { max-width: 80px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chevron { font-size: 10px; color: var(--color-text-muted); transition: transform 0.2s; }

.user-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0;
  width: 240px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  opacity: 0; pointer-events: none;
  transform: translateY(-8px);
  transition: all 0.2s ease;
  z-index: 100;
}
.user-dropdown.open { opacity: 1; pointer-events: all; transform: translateY(0); }

.dropdown-header {
  padding: 16px;
  display: flex; align-items: center; gap: 12px;
  background: var(--color-surface-2);
}
.dropdown-avatar {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: #000;
}
.dropdown-username { font-weight: 600; font-size: 14px; }
.dropdown-plan { font-size: 12px; color: var(--color-primary); }

.dropdown-divider { height: 1px; background: var(--color-border); }

.dropdown-item {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 16px;
  text-decoration: none;
  color: var(--color-text-muted);
  font-size: 14px;
  transition: all 0.15s;
  background: none; border: none; width: 100%; text-align: left;
  cursor: pointer; font-family: var(--font-body);
}
.dropdown-item:hover { color: var(--color-text); background: var(--color-surface-2); }
.dropdown-logout:hover { color: var(--color-error); }

/* Mobile toggle */
.nav-mobile-toggle {
  display: none;
  flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer;
  padding: 8px;
}
.nav-mobile-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--color-text-muted); border-radius: 1px;
  transition: all 0.3s;
}

/* Announcement bar */
.announcement-bar {
  background: linear-gradient(90deg, var(--color-primary-dark), var(--color-primary));
  color: #000;
  padding: 8px 24px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  font-size: 13px; font-weight: 500;
  position: relative;
}
.announcement-close {
  position: absolute; right: 16px;
  background: none; border: none; cursor: pointer;
  font-size: 18px; color: rgba(0,0,0,0.5);
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.main-content {
  min-height: calc(100vh - var(--nav-height) - 300px);
  padding-top: var(--nav-height);
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #000; font-weight: 600; font-size: 15px;
  border: none; border-radius: var(--radius-sm);
  cursor: pointer; text-decoration: none;
  transition: all 0.2s;
  box-shadow: 0 0 20px var(--color-primary-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 30px var(--color-primary-glow); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px;
  background: transparent;
  color: var(--color-text); font-weight: 500; font-size: 15px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer; text-decoration: none;
  transition: all 0.2s;
}
.btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); }

/* Generate button */
.btn-generate {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 16px 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #000; font-weight: 700; font-size: 16px;
  border: none; border-radius: var(--radius-md);
  cursor: pointer; width: 100%;
  transition: all 0.2s;
  box-shadow: 0 0 30px var(--color-primary-glow);
  font-family: var(--font-body);
}
.btn-generate:hover { transform: translateY(-2px); box-shadow: 0 8px 40px var(--color-primary-glow); }
.btn-generate:disabled { opacity: 0.4; cursor: not-allowed; transform: none; }
.btn-generate-icon { font-size: 20px; }

/* ============================================================
   FORMS
   ============================================================ */
.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  font-family: var(--font-body);
  font-size: 15px;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}
.form-input::placeholder { color: var(--color-text-dim); }
.form-textarea { resize: vertical; min-height: 80px; }
.form-select { appearance: none; cursor: pointer; }

.form-label {
  display: block;
  font-size: 13px; font-weight: 500;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}
.form-label-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.form-label-link { font-size: 13px; color: var(--color-primary); text-decoration: none; }

.input-wrapper { position: relative; }
.input-icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  font-size: 16px; pointer-events: none;
}
.input-wrapper .form-input { padding-left: 40px; }
.input-toggle-pwd {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  background: none; border: none; cursor: pointer; font-size: 16px; padding: 4px;
}

.form-group { margin-bottom: 18px; }
.form-group-inline { margin-bottom: 16px; }
.form-section { margin-bottom: 32px; }
.form-section-title {
  font-family: var(--font-display);
  font-size: 15px; font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

/* Checkbox */
.checkbox-label {
  display: flex; align-items: center; gap: 10px;
  cursor: pointer; font-size: 14px; color: var(--color-text-muted);
  user-select: none;
}
.checkbox-input { display: none; }
.checkbox-custom {
  width: 18px; height: 18px; flex-shrink: 0;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  position: relative;
  transition: all 0.2s;
}
.checkbox-input:checked + .checkbox-custom {
  background: var(--color-primary);
  border-color: var(--color-primary);
}
.checkbox-input:checked + .checkbox-custom::after {
  content: '✓';
  position: absolute; top: -2px; left: 2px;
  font-size: 13px; color: #000; font-weight: 700;
}
.checkbox-label a { color: var(--color-primary); text-decoration: none; }

/* Field errors */
.field-error { display: block; font-size: 12px; color: var(--color-error); margin-top: 4px; }
.required { color: var(--color-error); }
.optional { color: var(--color-text-dim); font-weight: 400; }

/* Form Row */
.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom:0px;
}
@media (min-width: 480px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
        margin-bottom: 0px;
    } }

/* ============================================================
   ALERTS
   ============================================================ */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 16px;
  display: flex; align-items: flex-start; gap: 10px;
}
.alert-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #FCA5A5; }
.alert-success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.3); color: #86EFAC; }
.alert-info { background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.3); color: #93C5FD; }
.alert-icon { font-size: 16px; flex-shrink: 0; }

/* ============================================================
   TOAST
   ============================================================ */
.toast-container {
  position: fixed; top: calc(var(--nav-height) + 16px); right: 20px;
  display: flex; flex-direction: column; gap: 10px;
  z-index: 9999; pointer-events: none;
}
.toast {
  padding: 12px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  max-width: 360px;
  box-shadow: var(--shadow-lg);
  pointer-events: all;
  animation: toastIn 0.3s ease;
  display: flex; align-items: center; gap: 10px;
}
.toast-success { border-color: var(--color-primary); }
.toast-error { border-color: var(--color-error); }
.toast-info { border-color: var(--color-accent); }
@keyframes toastIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }

/* ============================================================
   FEATURE PAGE LAYOUT
   ============================================================ */
.feature-page-layout { max-width: 1100px; margin: 0 auto; padding: 40px 24px 80px; }
.feature-page-header {
  display: flex; align-items: center; gap: 20px;
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}
.feature-page-icon { font-size: 40px; }
.feature-page-header h1 { font-family: var(--font-display); font-size: 26px; font-weight: 700; }
.feature-page-header p { color: var(--color-text-muted); font-size: 15px; margin-top: 4px; }
.feature-page-header .quota-badge {
  margin-left: auto; flex-shrink: 0;
  padding: 8px 16px;
  background: var(--color-primary-glow);
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500;
  color: var(--color-primary);
}
.feature-page-header .quota-badge strong { font-weight: 700; }

/* Create form layout */
.create-form-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 32px;
  align-items: flex-start;
}
@media (max-width: 900px) { .create-form-layout { grid-template-columns: 1fr; } }

/* Upload zones */
.upload-row { display: flex; gap: 20px; align-items: flex-start; flex-wrap: wrap; }
.upload-plus-sign {
  font-size: 28px; color: var(--color-text-dim);
  display: flex; align-items: center; padding-top: 60px; flex-shrink: 0;
}
.upload-zone {
  flex: 1; min-width: 200px;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  transition: all 0.2s;
  overflow: hidden;
}
.upload-zone.drag-over { border-color: var(--color-primary); background: var(--color-primary-glow); }
.upload-zone-inner {
  padding: 40px 20px;
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  cursor: pointer;
  transition: background 0.2s;
}
.upload-zone-inner:hover { background: var(--color-surface); }
.upload-icon { font-size: 32px; }
.upload-title { font-weight: 600; font-size: 14px; }
.upload-hint { font-size: 12px; color: var(--color-text-dim); text-align: center; }

.upload-preview {
  position: relative;
  display: flex; align-items: center; justify-content: center;
  flex-direction: column;
  min-height: 160px;
  background: var(--color-surface);
}
.upload-preview img { max-width: 100%; max-height: 200px; object-fit: contain; }
.remove-upload {
  position: absolute; top: 8px; right: 8px;
  width: 28px; height: 28px;
  background: rgba(0,0,0,0.6);
  color: white; border: none; border-radius: 50%;
  cursor: pointer; font-size: 16px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.upload-preview-label {
  font-size: 12px; color: var(--color-text-muted);
  padding: 6px; background: var(--color-surface-2);
  width: 100%; text-align: center;
}

/* Model selector */
.model-selector { display: flex; flex-direction: column; gap: 10px; }
.model-option {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  position: relative;
}
.model-option input[type="radio"] { display: none; }
.model-option:hover { border-color: var(--color-primary); }
.model-option.selected { border-color: var(--color-primary); background: var(--color-primary-glow); }
.model-provider { font-size: 11px; color: var(--color-accent); font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; }
.model-name { font-weight: 600; font-size: 15px; margin: 2px 0; }
.model-desc { font-size: 13px; color: var(--color-text-muted); }
.model-plan-req { font-size: 11px; color: var(--color-warning); margin-top: 4px; }
.model-check {
  margin-left: auto; width: 22px; height: 22px; flex-shrink: 0;
  background: var(--color-primary); color: #000;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
  opacity: 0; transition: opacity 0.2s;
}
.model-option.selected .model-check { opacity: 1; }

/* Preset grid */
.preset-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
.preset-card {
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  overflow: hidden;
  transition: all 0.2s;
  position: relative;
}
.preset-card input { display: none; }
.preset-card:hover { border-color: var(--color-primary); }
.preset-card.selected { border-color: var(--color-primary); box-shadow: 0 0 0 2px var(--color-primary-glow); }
.preset-preview {
  height: 90px; background: var(--color-surface);
  display: flex; align-items: center; justify-content: center;
}
.preset-preview img { width: 100%; height: 100%; object-fit: cover; }
.preset-preview-placeholder { font-size: 28px; }
.preset-name { padding: 8px; font-size: 12px; font-weight: 500; text-align: center; color: var(--color-text-muted); }
.preset-lock {
  position: absolute; top: 6px; right: 6px;
  font-size: 14px;
}

/* Duration selector */
.duration-selector { display: flex; gap: 8px; flex-wrap: wrap; }
.duration-option {
  padding: 8px 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
  position: relative;
  display: flex; align-items: center; gap: 8px;
}
.duration-option input { display: none; }
.duration-option:hover { border-color: var(--color-primary); }
.duration-option.selected { border-color: var(--color-primary); background: var(--color-primary-glow); color: var(--color-primary); }
.duration-pro {
  background: linear-gradient(135deg, var(--color-accent), #D97706);
  color: #000; font-size: 10px; font-weight: 700;
  padding: 2px 6px; border-radius: 4px;
}

.setting-row { margin-bottom: 20px; }
.setting-label { font-size: 13px; font-weight: 500; color: var(--color-text-muted); display: block; margin-bottom: 10px; }

/* Tips card */
.tips-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 16px;
}
.tips-card h4 { font-size: 14px; font-weight: 600; margin-bottom: 12px; }
.tips-card ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.tips-card li { font-size: 13px; color: var(--color-text-muted); }

.generate-note { text-align: center; font-size: 13px; color: var(--color-text-dim); margin-top: 12px; }
.generate-note a { color: var(--color-primary); text-decoration: none; }

.form-submit-row { margin-top: 8px; }

/* Quota exceeded */
.quota-exceeded-banner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px;
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  border-radius: var(--radius-sm);
  margin-bottom: 24px; font-size: 14px;
}
.btn-upgrade-sm {
  padding: 6px 16px;
  background: var(--color-primary); color: #000;
  text-decoration: none; border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 600;
}

/* ============================================================
   DASHBOARD
   ============================================================ */
.dashboard-layout { padding: 40px 24px 80px; }
.dashboard-container { max-width: 1100px; margin: 0 auto; }

.dashboard-welcome {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 32px; gap: 20px;
}
.welcome-left { display: flex; align-items: center; gap: 16px; }
.welcome-avatar {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 24px; font-weight: 700; color: #000; flex-shrink: 0;
}
.welcome-title { font-family: var(--font-display); font-size: 24px; font-weight: 700; }
.welcome-sub { font-size: 14px; color: var(--color-text-muted); margin-top: 4px; display: flex; align-items: center; gap: 8px; }

.plan-badge {
  padding: 2px 10px; border-radius: 20px;
  font-size: 12px; font-weight: 600;
}
.plan-badge-0 { background: rgba(107,153,128,0.2); color: var(--color-text-muted); }
.plan-badge-1 { background: rgba(59,130,246,0.15); color: #93C5FD; }
.plan-badge-2 { background: rgba(245,158,11,0.15); color: #FCD34D; }
.plan-badge-3 { background: rgba(139,92,246,0.15); color: #C4B5FD; }
.plan-expire { font-size: 12px; color: var(--color-text-dim); }

.btn-upgrade {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--color-accent), #D97706);
  color: #000; font-weight: 600; font-size: 14px;
  text-decoration: none; border-radius: var(--radius-sm);
  transition: all 0.2s;
}
.btn-upgrade:hover { transform: translateY(-1px); }

/* Quick actions */
.quick-actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}
@media (max-width: 900px) { .quick-actions { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .quick-actions { grid-template-columns: 1fr; } }

.quick-action-card {
  display: flex; align-items: center; gap: 14px;
  padding: 18px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none; color: var(--color-text);
  transition: all 0.2s;
}
.quick-action-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.qa-icon { font-size: 28px; flex-shrink: 0; }
.qa-title { font-weight: 600; font-size: 15px; }
.qa-remain { font-size: 12px; color: var(--color-text-muted); margin-top: 2px; }
.qa-remain strong { color: var(--color-primary); }
.qa-arrow { margin-left: auto; color: var(--color-text-dim); font-size: 16px; }

.qa-fashion:hover { border-color: #EC4899; }
.qa-product:hover { border-color: #3B82F6; }
.qa-ecommerce:hover { border-color: #8B5CF6; }
.qa-editor:hover { border-color: #F59E0B; }

/* Stats row */
.dashboard-stats-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 32px;
}
@media (max-width: 900px) { .dashboard-stats-row { grid-template-columns: repeat(2, 1fr); } }

.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px;
  text-align: center;
}
.stat-card-icon { font-size: 24px; margin-bottom: 8px; }
.stat-card-value { font-family: var(--font-display); font-size: 28px; font-weight: 800; color: var(--color-primary); }
.stat-card-label { font-size: 12px; color: var(--color-text-muted); margin-top: 4px; }

/* Quota panel */
.quota-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 32px;
}
.panel-title { font-family: var(--font-display); font-size: 17px; font-weight: 600; margin-bottom: 20px; }
.quota-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
@media (max-width: 640px) { .quota-grid { grid-template-columns: 1fr; } }
.quota-item { }
.quota-item-header { display: flex; justify-content: space-between; align-items: center; font-size: 14px; margin-bottom: 8px; }
.quota-bar { height: 6px; background: var(--color-surface-2); border-radius: 3px; overflow: hidden; }
.quota-fill { height: 100%; background: var(--color-primary); border-radius: 3px; transition: width 0.5s ease; }
.quota-fill-warn { background: var(--color-warning); }
.quota-reset-tip { font-size: 12px; color: var(--color-text-dim); margin-top: 16px; }

/* Works grid */
.recent-works { margin-bottom: 32px; }
.section-header-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.view-all-link { font-size: 14px; color: var(--color-primary); text-decoration: none; }

.works-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.works-grid-sm { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }

.work-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.2s;
}
.work-card:hover { border-color: var(--color-primary); transform: translateY(-2px); }
.work-thumb {
  height: 120px;
  background: var(--color-surface-2);
  position: relative;
  display: flex; align-items: center; justify-content: center;
}
.work-thumb img { width: 100%; height: 100%; object-fit: cover; }
.work-thumb-placeholder { font-size: 32px; }
.work-status-badge {
  position: absolute; top: 6px; right: 6px;
  padding: 3px 8px; border-radius: 12px;
  font-size: 11px; font-weight: 600;
}
.work-status-completed { background: rgba(34,197,94,0.2); color: var(--color-primary); }
.work-status-processing { background: rgba(59,130,246,0.2); color: #93C5FD; }
.work-status-queued { background: rgba(245,158,11,0.2); color: #FCD34D; }
.work-status-failed { background: rgba(239,68,68,0.2); color: #FCA5A5; }
.work-info { padding: 10px 12px; }
.work-title { font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.work-meta { font-size: 11px; color: var(--color-text-dim); margin-top: 4px; }
.work-actions { padding: 0 12px 10px; }
.work-action-btn {
  display: block; text-align: center; padding: 6px;
  background: var(--color-surface-2); color: var(--color-text-muted);
  text-decoration: none; border-radius: var(--radius-sm);
  font-size: 12px; font-weight: 500;
  transition: all 0.2s;
}
.work-action-btn:hover { color: var(--color-primary); }

/* Empty state */
.empty-state {
  padding: 60px 20px;
  text-align: center;
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
}
.empty-icon { font-size: 48px; margin-bottom: 16px; }
.empty-title { font-family: var(--font-display); font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.empty-sub { color: var(--color-text-muted); font-size: 14px; margin-bottom: 24px; }
.btn-start-create {
  display: inline-flex; padding: 12px 28px;
  background: var(--color-primary); color: #000;
  font-weight: 600; text-decoration: none;
  border-radius: var(--radius-sm); font-size: 15px;
}

/* ============================================================
   PROGRESS PAGE
   ============================================================ */
.progress-page { padding: 40px 24px 80px; }
.progress-container { max-width: 700px; margin: 0 auto; }
.progress-header { margin-bottom: 32px; }
.progress-header h1 { font-family: var(--font-display); font-size: 26px; font-weight: 700; }
.task-no { font-size: 13px; color: var(--color-text-dim); margin-top: 4px; }
.back-link { display: inline-flex; align-items: center; gap: 6px; color: var(--color-text-muted); text-decoration: none; font-size: 14px; margin-bottom: 16px; }
.back-link:hover { color: var(--color-text); }

.progress-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 48px;
  text-align: center;
}
.progress-status-icon { font-size: 64px; margin-bottom: 20px; }
.progress-status-text { font-family: var(--font-display); font-size: 24px; font-weight: 700; margin-bottom: 24px; }
.progress-bar-wrap { margin-bottom: 16px; }
.progress-bar-track {
  height: 8px; background: var(--color-surface-2);
  border-radius: 4px; overflow: hidden; margin-bottom: 8px;
}
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  border-radius: 4px; transition: width 0.5s ease;
}
.progress-bar-fill.animated {
  background-size: 200% 100%;
  animation: progressShimmer 2s linear infinite;
}
@keyframes progressShimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.progress-percent { font-size: 13px; color: var(--color-text-muted); }
.progress-message { color: var(--color-text-muted); font-size: 15px; margin-bottom: 24px; min-height: 24px; }
.progress-meta {
  display: flex; gap: 20px; justify-content: center;
  font-size: 13px; color: var(--color-text-dim);
  padding-top: 20px; border-top: 1px solid var(--color-border);
  flex-wrap: wrap;
}

.result-preview { margin: 24px 0; }
.result-video { max-width: 100%; border-radius: var(--radius-md); max-height: 400px; }
.result-image { max-width: 100%; border-radius: var(--radius-md); max-height: 400px; object-fit: contain; }
.result-actions { display: flex; gap: 12px; justify-content: center; margin-top: 20px; flex-wrap: wrap; }
.btn-download, .btn-to-works, .btn-create-again {
  padding: 10px 24px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600; text-decoration: none;
}
.btn-download { background: var(--color-primary); color: #000; }
.btn-to-works { background: var(--color-surface-2); color: var(--color-text); }
.btn-create-again { border: 1px solid var(--color-primary); color: var(--color-primary); }

.error-detail { padding: 20px; background: rgba(239,68,68,0.1); border-radius: var(--radius-sm); color: #FCA5A5; }
.btn-retry { display: inline-block; margin-top: 12px; padding: 8px 20px; background: var(--color-error); color: white; border-radius: var(--radius-sm); text-decoration: none; font-size: 14px; }

/* ============================================================
   PAYMENT PAGE
   ============================================================ */
.payment-page { padding: 40px 24px 80px; }
.payment-container { max-width: 900px; margin: 0 auto; }
.payment-header { margin-bottom: 32px; }
.payment-header h1 { font-family: var(--font-display); font-size: 26px; font-weight: 700; }

.payment-layout { display: grid; grid-template-columns: 380px 1fr; gap: 32px; align-items: flex-start; }
@media (max-width: 800px) { .payment-layout { grid-template-columns: 1fr; } }

.order-detail-card, .payment-methods-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
}
.order-detail-card h3, .payment-methods-card h3 {
  font-family: var(--font-display); font-size: 16px; font-weight: 700; margin-bottom: 20px;
}

.order-rows { display: flex; flex-direction: column; gap: 12px; margin-bottom: 20px; }
.order-row { display: flex; justify-content: space-between; align-items: center; font-size: 14px; }
.order-row-label { color: var(--color-text-muted); }
.discount-row .order-row-val { color: var(--color-primary); }
.total-row { padding-top: 12px; border-top: 1px solid var(--color-border); font-weight: 600; }
.order-row-total { font-family: var(--font-display); font-size: 24px; font-weight: 800; color: var(--color-primary); }

.order-number {
  display: flex; justify-content: space-between;
  font-size: 12px; color: var(--color-text-dim); margin-bottom: 16px;
}
.coupon-input-row { display: flex; gap: 8px; }
.form-input-sm {
  flex: 1; background: var(--color-surface-2); border: 1px solid var(--color-border);
  color: var(--color-text); border-radius: var(--radius-sm); padding: 9px 12px;
  font-size: 14px; outline: none; font-family: var(--font-body);
}
.form-input-sm:focus { border-color: var(--color-primary); }
.btn-apply-coupon {
  padding: 9px 16px; background: var(--color-surface-2); border: 1px solid var(--color-border);
  color: var(--color-text); border-radius: var(--radius-sm); cursor: pointer;
  font-size: 14px; transition: all 0.2s; font-family: var(--font-body);
}
.btn-apply-coupon:hover { border-color: var(--color-primary); color: var(--color-primary); }

.payment-methods { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; }
.payment-method-option {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm); cursor: pointer; transition: all 0.2s;
}
.payment-method-option input { display: none; }
.payment-method-option:hover { border-color: var(--color-primary); }
.payment-method-option.selected { border-color: var(--color-primary); background: var(--color-primary-glow); }
.method-icon { font-size: 28px; flex-shrink: 0; }
.method-name { font-weight: 600; font-size: 15px; }
.method-desc { font-size: 12px; color: var(--color-text-muted); }
.method-check {
  margin-left: auto; width: 22px; height: 22px;
  background: var(--color-primary); color: #000;
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
  opacity: 0; transition: opacity 0.2s;
}
.payment-method-option.selected .method-check { opacity: 1; }

.wechat-qr-panel { margin-bottom: 20px; text-align: center; }
.qr-container { display: flex; align-items: center; gap: 20px; justify-content: center; }
#qrcodeImg { border: 4px solid white; border-radius: 8px; }
.qr-tips { text-align: left; }
.qr-tips-icon { font-size: 24px; margin-bottom: 8px; }
.qr-expire { font-size: 12px; color: var(--color-warning); margin-top: 6px; }

.btn-pay {
  width: 100%; padding: 16px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: #000; font-weight: 700; font-size: 16px;
  border: none; border-radius: var(--radius-md); cursor: pointer;
  transition: all 0.2s; font-family: var(--font-body);
  box-shadow: 0 0 30px var(--color-primary-glow);
}
.btn-pay:hover { transform: translateY(-2px); }
.btn-pay:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 60px 24px 30px;
}
.footer-container { max-width: 1280px; margin: 0 auto; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }

.footer-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--color-text);
  font-family: var(--font-display); font-weight: 700; font-size: 18px;
  margin-bottom: 14px;
}
.footer-brand p { font-size: 14px; color: var(--color-text-muted); line-height: 1.7; }
.footer-social { display: flex; gap: 10px; margin-top: 20px; }
.social-link {
  width: 36px; height: 36px;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; color: var(--color-text-muted);
  font-size: 12px; font-weight: 600;
  transition: all 0.2s;
}
.social-link:hover { border-color: var(--color-primary); color: var(--color-primary); }
.social-link svg { width: 16px; height: 16px; }

.footer-links h4 {
  font-family: var(--font-display); font-size: 14px; font-weight: 600;
  margin-bottom: 16px; color: var(--color-text);
}
.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: var(--color-text-muted); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--color-primary); }

.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px; border-top: 1px solid var(--color-border);
  font-size: 13px; color: var(--color-text-dim);
  flex-wrap: wrap; gap: 12px;
}
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { color: var(--color-text-dim); text-decoration: none; }
.footer-legal a:hover { color: var(--color-text); }

/* ============================================================
   SPINNER
   ============================================================ */
.spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid rgba(0,0,0,0.2);
  border-top-color: #000;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: fixed; top: var(--nav-height); left: 0; right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 16px;
    gap: 4px;
  }
  .nav-mobile-toggle { display: flex; }
  .user-name-short { display: none; }
}

@media (max-width: 480px) {
  .feature-page-header { flex-wrap: wrap; }
  .feature-page-header .quota-badge { margin-left: 0; }
  .upload-row { flex-direction: column; }
  .upload-plus-sign { display: none; }
  .progress-card { padding: 28px 20px; }
}