@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=Noto+Sans+SC:wght@400;500;700;800&display=swap');

/* ========== Design Tokens (Light) ========== */
:root {
  --c-primary: #5e72e4;
  --c-primary-2: #8a3ffc;
  --c-primary-dark: #4c5dd1;
  --c-accent: #f6ad55;
  --c-accent-2: #ed8936;
  --c-success: #38a169;
  --c-danger: #e53e3e;
  --c-warn: #d69e2e;

  --c-text: #1a202c;
  --c-text-2: #4a5568;
  --c-text-3: #718096;
  --c-text-4: #a0aec0;

  --c-bg: #f7f9fc;
  --c-card: #ffffff;
  --c-card-rgb: 255, 255, 255;
  --c-border: #edf2f7;
  --c-border-2: #e2e8f0;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.06), 0 2px 4px -1px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 12px 28px -8px rgba(15, 23, 42, 0.10), 0 4px 10px -4px rgba(15, 23, 42, 0.06);
  --shadow-xl: 0 24px 48px -12px rgba(15, 23, 42, 0.16);
  --shadow-glow: 0 8px 24px -4px rgba(94, 114, 228, 0.35);

  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 16px;
  --r-xl: 24px;

  --gradient-brand: linear-gradient(135deg, #5e72e4 0%, #8a3ffc 100%);
  --gradient-warm: linear-gradient(135deg, #f6ad55 0%, #ed8936 100%);
  --gradient-soft-bg:
    radial-gradient(circle at 20% 0%, rgba(94, 114, 228, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 30%, rgba(138, 63, 252, 0.06) 0%, transparent 50%),
    linear-gradient(180deg, #fbfcfe 0%, #f3f6fb 100%);

  --bg-dots: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='32' height='32'><circle cx='1.5' cy='1.5' r='1' fill='%23cbd5e0' opacity='0.5'/></svg>");
}

/* ========== Design Tokens (Dark) ========== */
:root[data-theme="dark"] {
  --c-primary: #818cf8;
  --c-primary-2: #a78bfa;
  --c-primary-dark: #6366f1;

  --c-text: #f1f5f9;
  --c-text-2: #cbd5e0;
  --c-text-3: #94a3b8;
  --c-text-4: #64748b;

  --c-bg: #0f172a;
  --c-card: #1e293b;
  --c-card-rgb: 30, 41, 59;
  --c-border: #334155;
  --c-border-2: #475569;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3), 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 28px -8px rgba(0, 0, 0, 0.5), 0 4px 10px -4px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 24px 48px -12px rgba(0, 0, 0, 0.7);
  --shadow-glow: 0 8px 24px -4px rgba(129, 140, 248, 0.4);

  --gradient-soft-bg:
    radial-gradient(circle at 20% 0%, rgba(129, 140, 248, 0.10) 0%, transparent 50%),
    radial-gradient(circle at 80% 30%, rgba(167, 139, 250, 0.08) 0%, transparent 50%),
    linear-gradient(180deg, #0b1120 0%, #0f172a 100%);

  --bg-dots: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='32' height='32'><circle cx='1.5' cy='1.5' r='1' fill='%23475569' opacity='0.5'/></svg>");
}

* { box-sizing: border-box; }

body {
  font-family: 'Inter', 'Noto Sans SC', -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  margin: 0;
  min-height: 100vh;
  color: var(--c-text);
  background: var(--gradient-soft-bg);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: 'cv11', 'ss01';
}

/* ========== Topbar ========== */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 28px;
  background: rgba(var(--c-card-rgb), 0.75);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--c-border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.brand {
  font-weight: 700;
  color: var(--c-text);
  text-decoration: none;
  font-size: 17px;
  letter-spacing: -0.3px;
  display: inline-flex;
  align-items: center;
}
.brand-mark {
  display: inline-block;
  background: var(--gradient-brand);
  color: white;
  width: 26px; height: 26px;
  border-radius: 7px;
  text-align: center;
  line-height: 26px;
  margin-right: 6px;
  font-size: 14px;
  box-shadow: var(--shadow-glow);
}
.tool-nav { display: flex; gap: 4px; margin-left: 28px; }
.tool-link {
  padding: 7px 14px;
  border-radius: var(--r-sm);
  color: var(--c-text-2) !important;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none !important;
  transition: all .15s;
}
.tool-link:hover { background: rgba(94, 114, 228, 0.08); color: var(--c-primary) !important; }
.tool-link.active { background: rgba(94, 114, 228, 0.12); color: var(--c-primary) !important; }
.topbar-right {
  display: flex; align-items: center; gap: 14px;
  font-size: 14px; color: var(--c-text-2);
}
.topbar-right a { color: var(--c-primary); text-decoration: none; }
.topbar-right a:hover { text-decoration: underline; }
.quota-pill {
  background: rgba(94, 114, 228, 0.10);
  color: var(--c-primary-dark);
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
}
.quota-pill b { color: var(--c-primary-dark); }
.user-email { color: var(--c-text-3); font-size: 13px; }
.pro-badge {
  background: var(--gradient-warm);
  color: white;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  box-shadow: 0 4px 10px -2px rgba(237, 137, 54, 0.35);
}
.btn-mini {
  background: var(--c-primary);
  color: white !important;
  padding: 7px 16px;
  border-radius: var(--r-sm);
  font-weight: 600;
  text-decoration: none !important;
  font-size: 13px;
  transition: all .15s;
}
.btn-mini:hover { background: var(--c-primary-dark); transform: translateY(-1px); }
.btn-upgrade {
  background: var(--gradient-warm) !important;
  box-shadow: 0 4px 14px -2px rgba(237, 137, 54, 0.45);
}
.btn-upgrade:hover { filter: brightness(1.05); transform: translateY(-1px); }

/* ========== Hero / Header ========== */
header {
  text-align: center;
  padding: 64px 20px 32px;
  position: relative;
  overflow: hidden;
}
header::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--bg-dots);
  background-size: 32px 32px;
  opacity: 0.5;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}
header h1 {
  margin: 0;
  font-size: 52px;
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
  background: var(--gradient-brand);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
}
.tagline {
  margin: 14px 0 4px;
  color: var(--c-text);
  font-size: 18px;
  font-weight: 500;
  position: relative;
}
.subtitle { color: var(--c-text-3); margin: 4px 0 0; position: relative; font-size: 14px; }
.subtitle-sm { color: var(--c-text-4); margin: 4px 0 0; font-size: 13px; position: relative; }

/* hero stats (新) */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-top: 24px;
  position: relative;
}
.hero-stat { text-align: center; }
.hero-stat-num {
  font-size: 22px;
  font-weight: 800;
  color: var(--c-primary-dark);
  font-feature-settings: 'tnum';
  line-height: 1;
}
.hero-stat-label {
  font-size: 12px;
  color: var(--c-text-3);
  margin-top: 4px;
  letter-spacing: 0.5px;
}

/* ========== Tool wall ========== */
.tool-wall {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  position: relative;
}
.tool-card {
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--r-lg);
  padding: 22px 20px;
  text-align: center;
  text-decoration: none;
  color: var(--c-text);
  transition: all .2s cubic-bezier(.4,0,.2,1);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
}
.tool-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(94, 114, 228, 0.05) 0%, rgba(138, 63, 252, 0.05) 100%);
  opacity: 0;
  transition: opacity .25s;
}
.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(94, 114, 228, 0.3);
}
.tool-card:hover::before { opacity: 1; }
.tool-card-active {
  border-color: var(--c-primary);
  background: linear-gradient(135deg, rgba(94, 114, 228, 0.08), rgba(138, 63, 252, 0.04));
  box-shadow: var(--shadow-glow);
  cursor: default;
  pointer-events: none;
}
.tool-card-active::before { display: none; }
.tool-emoji {
  font-size: 32px;
  width: 56px; height: 56px;
  background: linear-gradient(135deg, rgba(94, 114, 228, 0.12), rgba(138, 63, 252, 0.08));
  border-radius: var(--r-md);
  margin: 0 auto 12px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.tool-card-active .tool-emoji {
  background: var(--gradient-brand);
  -webkit-text-fill-color: initial;
}
.tool-name {
  font-weight: 700;
  font-size: 15px;
  color: var(--c-text);
  position: relative;
}
.tool-desc {
  font-size: 12px;
  color: var(--c-text-3);
  margin-top: 2px;
  position: relative;
}

/* ========== Main / Upload ========== */
main { max-width: 680px; margin: 32px auto 0; padding: 20px; position: relative; }
main.dashboard, main.pricing-wrap, main.order-page { max-width: unset; }

.drop-zone {
  display: block;          /* label 默认 inline，必须显式 block */
  width: 100%;
  box-sizing: border-box;
  position: relative;
  border: 2px dashed var(--c-border-2);
  border-radius: var(--r-xl);
  background: rgba(var(--c-card-rgb), 0.7);
  backdrop-filter: blur(8px);
  padding: 64px 24px;
  text-align: center;
  cursor: pointer;
  transition: all .25s cubic-bezier(.4,0,.2,1);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.drop-zone::after {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: var(--r-xl);
  padding: 2px;
  background: var(--gradient-brand);
  -webkit-mask:
    linear-gradient(#fff 0 0) content-box,
    linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
          mask-composite: exclude;
  opacity: 0;
  transition: opacity .25s;
  pointer-events: none;
}
.drop-zone:hover {
  background: rgba(var(--c-card-rgb), 0.95);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}
.drop-zone:hover::after { opacity: 0.6; }
.drop-zone.dragover {
  border-color: transparent;
  background: rgba(94, 114, 228, 0.06);
  transform: scale(1.01);
  box-shadow: var(--shadow-glow);
}
.drop-zone.dragover::after { opacity: 1; }
.drop-inner .icon { font-size: 44px; opacity: 0.7; }
.drop-inner p { margin: 6px 0; }
.hint { color: var(--c-text-4); font-size: 13px; }

/* ========== Controls / Buttons ========== */
.controls {
  margin: 20px 0;
  display: flex;
  gap: 12px;
  align-items: center;
}
.controls label { color: var(--c-text-2); font-size: 14px; font-weight: 500; }

select, button, input[type="text"], input[type="password"], input[type="email"] {
  font: inherit;
  padding: 10px 14px;
  border-radius: var(--r-sm);
  border: 1px solid var(--c-border-2);
  background: var(--c-card);
  color: var(--c-text);
  transition: all .15s;
}
select { flex: 1; cursor: pointer; }
select:focus, input:focus { outline: none; border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(94, 114, 228, 0.15); }

button {
  position: relative;
  background: var(--c-primary);
  color: white;
  border: none;
  cursor: pointer;
  font-weight: 600;
  padding: 10px 22px;
  box-shadow: 0 1px 2px rgba(94, 114, 228, 0.2);
  transition: all .15s;
  overflow: hidden;
}
button:disabled { background: var(--c-border-2); color: var(--c-text-4); cursor: not-allowed; box-shadow: none; }
button:hover:not(:disabled) {
  background: var(--c-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px -2px rgba(94, 114, 228, 0.35);
}
/* shimmer 高光掠过 */
button:not(:disabled)::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.25), transparent);
  transition: left .5s;
}
button:hover:not(:disabled)::before { left: 100%; }

/* ========== Status / Result ========== */
.status {
  background: var(--c-card);
  border-radius: var(--r-md);
  padding: 16px;
  margin-top: 16px;
  text-align: center;
  color: var(--c-text-2);
  box-shadow: var(--shadow-sm);
}
.status.error { background: #fff5f5; color: #9b2c2c; border: 1px solid #feb2b2; }
.result {
  background: var(--c-card);
  border-radius: var(--r-lg);
  padding: 28px;
  margin-top: 16px;
  box-shadow: var(--shadow-lg);
  animation: fade-in-up .4s ease;
}
.result h3 { margin-top: 0; }
.result table { width: 100%; border-collapse: collapse; margin-bottom: 16px; }
.result td { padding: 10px 0; border-bottom: 1px solid var(--c-border); font-size: 14px; }
.result td:last-child { text-align: right; font-weight: 600; }
.hi { color: var(--c-success); }
.btn-primary {
  display: inline-block;
  background: var(--gradient-brand);
  color: white !important;
  padding: 13px 28px;
  border-radius: var(--r-sm);
  text-decoration: none;
  font-weight: 600;
  transition: all .15s;
  box-shadow: var(--shadow-glow);
}
.btn-primary:hover { filter: brightness(1.05); transform: translateY(-2px); }
.warn {
  max-width: 640px;
  margin: 16px auto;
  padding: 14px 18px;
  background: #fffbeb;
  border: 1px solid #fbd38d;
  border-radius: var(--r-sm);
  color: #744210;
}
.warn a { color: #744210; }
.hidden { display: none; }
footer {
  text-align: center;
  color: var(--c-text-4);
  padding: 40px 20px 60px;
  font-size: 13px;
}
footer a { color: var(--c-text-3); }

/* ========== Spinners ========== */
.spinner {
  display: inline-block;
  width: 18px; height: 18px;
  border: 3px solid var(--c-border);
  border-top-color: var(--c-primary);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  vertical-align: middle;
  margin-right: 8px;
}
.spinner-sm {
  display: inline-block;
  width: 12px; height: 12px;
  border: 2px solid var(--c-border-2);
  border-top-color: var(--c-primary);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  vertical-align: middle;
  margin-right: 4px;
}
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ========== File List ========== */
.file-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  background: var(--c-card);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.file-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--c-border);
  gap: 12px;
}
.file-list li:last-child { border-bottom: none; }
.f-info { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.f-name {
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.f-size { color: var(--c-text-4); font-size: 12px; }
.f-status { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.tag {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
  font-weight: 500;
}
.tag.pending { background: #edf2f7; color: var(--c-text-3); }
.tag.running { background: #ebf8ff; color: #2c5282; }
.tag.done { background: #c6f6d5; color: #22543d; }
.tag.error { background: #fed7d7; color: #822727; }
.x {
  background: transparent;
  border: none;
  color: var(--c-text-4);
  font-size: 20px;
  cursor: pointer;
  padding: 0 6px;
  line-height: 1;
  box-shadow: none;
}
.x:hover { color: var(--c-danger); background: transparent; transform: none; box-shadow: none; }

.btn-ghost {
  background: transparent;
  color: var(--c-text-3);
  border: 1px solid var(--c-border-2);
  box-shadow: none;
}
.btn-ghost:hover:not(:disabled) {
  background: var(--c-border);
  color: var(--c-text);
  transform: none;
  box-shadow: none;
}

/* ========== Auth pages ========== */
.auth-box {
  max-width: 400px;
  margin: 80px auto;
  background: var(--c-card);
  border-radius: var(--r-xl);
  padding: 40px 36px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--c-border);
}
.auth-box h1 {
  margin: 0 0 8px;
  text-align: center;
  font-size: 26px;
  letter-spacing: -0.5px;
}
.auth-subtitle { text-align: center; color: var(--c-text-3); margin: 0 0 28px; font-size: 14px; }
.auth-box label { display: block; color: var(--c-text-2); font-size: 13px; margin: 16px 0 6px; font-weight: 500; }
.auth-box input { width: 100%; padding: 11px 14px; border-radius: var(--r-sm); }
.auth-box button { width: 100%; margin-top: 24px; padding: 13px; }
.auth-alt, .auth-back { text-align: center; color: var(--c-text-3); font-size: 13px; margin: 16px 0 0; }
.auth-alt a, .auth-back a { color: var(--c-primary); text-decoration: none; }
.form-error {
  margin-top: 12px; padding: 10px 14px;
  background: #fff5f5; color: #822727;
  border: 1px solid #feb2b2;
  border-radius: var(--r-sm); font-size: 13px;
}
.form-success {
  margin-top: 12px; padding: 10px 14px;
  background: #f0fff4; color: #22543d;
  border: 1px solid #9ae6b4;
  border-radius: var(--r-sm); font-size: 13px;
}

/* ========== Pricing ========== */
.pricing-wrap { max-width: 1100px; margin: 0 auto; padding: 0 20px 60px; }
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin: 20px 0 40px;
}
.plan {
  position: relative;
  background: var(--c-card);
  border-radius: var(--r-lg);
  padding: 32px 24px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  transition: all .25s;
  border: 1px solid var(--c-border);
}
.plan:hover { transform: translateY(-6px); box-shadow: var(--shadow-xl); }
.plan.recommended {
  border: 2px solid var(--c-primary);
  transform: scale(1.05);
  box-shadow: var(--shadow-glow);
}
.plan h2 { margin: 0 0 4px; font-size: 18px; color: var(--c-text); }
.plan-desc { color: var(--c-text-4); font-size: 13px; margin: 0 0 18px; }
.price { font-size: 36px; font-weight: 800; color: var(--c-text); margin: 8px 0 6px; letter-spacing: -1px; }
.price .unit { font-size: 14px; color: var(--c-text-4); font-weight: 500; margin-left: 4px; }
.features {
  list-style: none;
  padding: 0;
  margin: 16px 0 24px;
  flex: 1;
  font-size: 14px;
  color: var(--c-text-2);
  line-height: 2;
}
.features .muted { color: var(--c-text-4); }
.features b { color: var(--c-text); }
.btn-plan {
  display: block;
  width: 100%;
  padding: 13px;
  border-radius: var(--r-sm);
  text-align: center;
  text-decoration: none;
  font-weight: 600;
  font: inherit;
  border: none;
  cursor: pointer;
  font-size: 14px;
}
.btn-primary-solid {
  background: var(--gradient-brand);
  color: white;
  box-shadow: var(--shadow-glow);
}
.btn-primary-solid:hover { filter: brightness(1.05); transform: translateY(-1px); }
.btn-secondary {
  background: var(--c-border);
  color: var(--c-text-2);
}
.btn-secondary:hover { background: var(--c-border-2); }
.btn-current { background: #c6f6d5; color: #22543d; cursor: default; }
.badge {
  position: absolute;
  top: -10px;
  right: 16px;
  background: var(--c-primary);
  color: white;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  box-shadow: var(--shadow-md);
}
.badge-save { background: var(--c-success); }
.badge-fire { background: var(--gradient-warm); }

.enterprise {
  background: var(--c-card);
  border-radius: var(--r-lg);
  padding: 32px;
  text-align: center;
  margin-bottom: 32px;
  box-shadow: var(--shadow-md);
}
.enterprise h3 { margin: 0 0 8px; }
.enterprise p { color: var(--c-text-3); margin: 0 0 16px; }
.enterprise .btn-secondary { display: inline-block; padding: 10px 24px; border-radius: var(--r-sm); text-decoration: none; }

.faq {
  background: var(--c-card);
  border-radius: var(--r-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
}
.faq h3 { margin-top: 0; }
.faq details { padding: 14px 0; border-bottom: 1px solid var(--c-border); }
.faq details:last-child { border-bottom: none; }
.faq summary { cursor: pointer; font-weight: 500; padding: 4px 0; color: var(--c-text); }
.faq p { color: var(--c-text-3); margin: 10px 0 0; line-height: 1.7; }

/* ========== Modal ========== */
.modal {
  position: fixed; inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  z-index: 999;
}
.modal-content {
  background: var(--c-card);
  border-radius: var(--r-xl);
  padding: 36px;
  max-width: 400px;
  width: 90%;
  position: relative;
  text-align: center;
  box-shadow: var(--shadow-xl);
  animation: fade-in-up .25s ease;
}
.modal-close {
  position: absolute; top: 12px; right: 16px;
  background: none; border: none;
  font-size: 24px; color: var(--c-text-4);
  cursor: pointer; padding: 0; line-height: 1;
  box-shadow: none;
}
.modal-close:hover { color: var(--c-text); background: none; transform: none; box-shadow: none; }
.modal h3 { margin: 0 0 4px; }
.modal-price { font-size: 32px; font-weight: 800; color: var(--c-primary); margin: 8px 0 20px; }
.qr-placeholder { margin: 16px 0; }
.qr-box {
  width: 180px; height: 180px;
  margin: 0 auto;
  background: var(--c-bg);
  border: 2px dashed var(--c-border-2);
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--c-text-4);
  font-size: 13px; text-align: center;
  padding: 16px; box-sizing: border-box;
}
.qr-box small { color: var(--c-text-4); font-size: 11px; }
.buy-steps {
  text-align: left;
  margin: 16px 0;
  padding-left: 20px;
  color: var(--c-text-2);
  font-size: 14px;
  line-height: 1.9;
}
.modal-footer-note { color: var(--c-text-4); font-size: 12px; margin: 16px 0 0; }

/* ========== Privacy / Footer ========== */
.privacy-note {
  max-width: 540px;
  margin: 0 auto 12px;
  color: var(--c-text-3);
  font-size: 13px;
  line-height: 1.7;
}
.privacy-note a { color: var(--c-primary); text-decoration: none; }
.privacy-note a:hover { text-decoration: underline; }

/* ========== Dashboard ========== */
.dashboard { max-width: 800px; margin: 32px auto; padding: 0 20px 60px; }
.dashboard h1 { font-size: 32px; letter-spacing: -0.5px; }
.card {
  background: var(--c-card);
  border-radius: var(--r-lg);
  padding: 28px 30px;
  margin: 20px 0;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--c-border);
}
.card h2 { margin: 0 0 16px; font-size: 18px; color: var(--c-text); }
.info-table { width: 100%; border-collapse: collapse; }
.info-table td { padding: 12px 0; border-bottom: 1px solid var(--c-border); font-size: 14px; }
.info-table td:first-child { color: var(--c-text-3); width: 30%; }
.info-table tr:last-child td { border-bottom: none; }
.info-table .muted { color: var(--c-text-4); margin-left: 8px; font-size: 13px; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
}
.stat {
  background: linear-gradient(135deg, #f7f9fc 0%, #edf2f7 100%);
  border-radius: var(--r-md);
  padding: 20px;
  text-align: center;
  border: 1px solid var(--c-border);
}
.stat-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--c-primary-dark);
  line-height: 1;
  letter-spacing: -1px;
  font-feature-settings: 'tnum';
}
.stat-unit { font-size: 14px; color: var(--c-text-4); font-weight: 500; }
.stat-label { margin-top: 10px; color: var(--c-text-3); font-size: 13px; }

.pwd-form label { display: block; color: var(--c-text-2); font-size: 13px; margin: 14px 0 6px; font-weight: 500; }
.pwd-form input { width: 100%; max-width: 380px; padding: 11px 14px; }
.pwd-form button { margin-top: 18px; padding: 11px 26px; }

/* ========== Order page ========== */
.order-page { max-width: 580px; margin: 32px auto; padding: 0 20px 60px; }
.order-card h1 { margin-top: 0; font-size: 26px; }
.order-summary table { width: 100%; border-collapse: collapse; margin: 16px 0; }
.order-summary td { padding: 12px 0; border-bottom: 1px solid var(--c-border); font-size: 14px; }
.order-summary td:first-child { color: var(--c-text-3); width: 30%; }
.order-summary .amount { font-size: 24px; font-weight: 800; color: var(--c-accent-2); }
.order-summary code { background: var(--c-bg); padding: 3px 8px; border-radius: 4px; font-size: 13px; }
.pay-area h3 { margin: 24px 0 12px; font-size: 15px; color: var(--c-text-2); }
.pay-area button { width: 100%; margin-top: 16px; }
.contact-info { text-align: center; margin: 12px 0; }
.contact-info p { margin: 6px 0; }
.contact-info code { background: #fefcbf; padding: 3px 10px; border-radius: 4px; }
.muted { color: var(--c-text-4); }
.small { font-size: 13px; }
.paid-success { text-align: center; padding: 24px 0; }
.big-check { font-size: 72px; margin-bottom: 16px; animation: pop .4s cubic-bezier(.34,1.56,.64,1); }
@keyframes pop { 0% { transform: scale(0); } 100% { transform: scale(1); } }
.paid-success h2 { color: #22543d; margin: 0 0 8px; }
.paid-success p { color: var(--c-text-2); margin-bottom: 24px; }

/* ========== Merge: sortable list ========== */
@media (hover: hover) and (pointer: fine) {
  .file-list.sortable li { cursor: move; }
}
.file-list.sortable li.dragging { opacity: 0.4; }
.file-list.sortable li.drag-over { border-top: 2px solid var(--c-primary); }
button.reorder {
  background: transparent;
  border: 1px solid var(--c-border-2);
  color: var(--c-text-2);
  font-size: 14px;
  width: 28px; height: 28px;
  padding: 0;
  border-radius: 6px;
  line-height: 1;
  cursor: pointer;
  box-shadow: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
button.reorder:hover:not(:disabled) {
  background: var(--c-border);
  color: var(--c-primary);
  border-color: var(--c-primary);
  transform: none;
  box-shadow: none;
}
button.reorder:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  background: transparent;
}
button.reorder::before { display: none !important; }
.f-order {
  display: inline-block;
  background: rgba(94, 114, 228, 0.12);
  color: var(--c-primary-dark);
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  margin-right: 8px;
  font-size: 12px;
}
code { background: var(--c-bg); padding: 2px 6px; border-radius: 4px; font-size: 13px; color: var(--c-accent-2); }

/* ========== Admin tables ========== */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  font-size: 13px;
}
.admin-table th, .admin-table td {
  padding: 12px 10px;
  text-align: left;
  border-bottom: 1px solid var(--c-border);
}
.admin-table th {
  color: var(--c-text-3);
  font-weight: 600;
  font-size: 11px;
  background: var(--c-bg);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.admin-table tbody tr:hover { background: var(--c-bg); }
.admin-table code { font-size: 12px; }
.btn-tiny {
  background: var(--c-primary);
  color: white;
  border: none;
  padding: 5px 12px;
  border-radius: 4px;
  font-size: 12px;
  cursor: pointer;
  box-shadow: none;
}
.btn-tiny:hover { background: var(--c-primary-dark); transform: none; box-shadow: none; }

/* ========== Landing sections ========== */
.landing-section { max-width: 1100px; margin: 80px auto 0; padding: 0 20px; }
.landing-section-alt {
  background: var(--c-card);
  padding: 60px 20px;
  max-width: none;
  margin: 80px 0 0;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}
.landing-section-alt .section-title,
.landing-section-alt .advantages,
.landing-section-alt .scenarios,
.landing-section-alt .testimonials {
  max-width: 1100px;
  margin-left: auto;
  margin-right: auto;
}
.section-title {
  text-align: center;
  font-size: 28px;
  color: var(--c-text);
  margin: 0 0 36px;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.advantages, .scenarios {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}
.adv, .scenario {
  background: var(--c-card);
  border-radius: var(--r-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  transition: all .25s;
  border: 1px solid var(--c-border);
}
.adv:hover, .scenario:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(94, 114, 228, 0.3);
}
.landing-section-alt .adv,
.landing-section-alt .scenario {
  background: var(--c-bg);
  box-shadow: none;
}
.adv-icon, .scenario-emoji {
  font-size: 34px;
  width: 60px; height: 60px;
  background: linear-gradient(135deg, rgba(94, 114, 228, 0.10), rgba(138, 63, 252, 0.06));
  border-radius: var(--r-md);
  display: flex; align-items: center; justify-content: center;
}
.adv h3, .scenario h3 { margin: 14px 0 8px; font-size: 16px; color: var(--c-text); }
.adv p, .scenario p { color: var(--c-text-3); font-size: 14px; line-height: 1.7; margin: 0; }

.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.quote {
  background: var(--c-card);
  border-radius: var(--r-lg);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--c-border);
  border-left: 4px solid var(--c-primary);
}
.quote p { margin: 0 0 12px; color: var(--c-text); font-size: 15px; line-height: 1.7; }
.quote cite { color: var(--c-text-4); font-size: 13px; font-style: normal; }

.landing-cta {
  text-align: center;
  margin: 80px auto 0;
  padding: 64px 20px;
  background: var(--gradient-brand);
  color: white;
  position: relative;
  overflow: hidden;
}
.landing-cta::before {
  content: ""; position: absolute; inset: 0;
  background-image: var(--bg-dots);
  background-size: 32px 32px;
  opacity: 0.15;
}
.landing-cta h2 { color: white; margin: 0 0 8px; font-size: 32px; font-weight: 800; letter-spacing: -0.5px; position: relative; }
.landing-cta p { color: rgba(255,255,255,0.9); margin: 0 0 28px; position: relative; font-size: 15px; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; }
.btn-cta-primary {
  background: var(--c-card);
  color: var(--c-primary-dark);
  padding: 15px 36px;
  border-radius: var(--r-sm);
  font-weight: 700;
  text-decoration: none;
  font-size: 16px;
  box-shadow: var(--shadow-lg);
  transition: all .15s;
}
.btn-cta-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-xl); }
.btn-cta-secondary {
  background: transparent;
  color: white;
  padding: 15px 36px;
  border-radius: var(--r-sm);
  font-weight: 600;
  text-decoration: none;
  font-size: 16px;
  border: 2px solid rgba(255,255,255,0.5);
  transition: all .15s;
}
.btn-cta-secondary:hover { background: rgba(255,255,255,0.12); border-color: white; }

.footer-links { text-align: center; margin: 8px 0; font-size: 13px; }
.footer-links a { color: var(--c-text-3); text-decoration: none; margin: 0 2px; }
.footer-links a:hover { color: var(--c-text); }

/* ========== Theme toggle button ========== */
.theme-toggle {
  background: transparent;
  border: 1px solid var(--c-border-2);
  border-radius: var(--r-sm);
  width: 36px; height: 36px;
  padding: 0;
  font-size: 16px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--c-text-2);
  box-shadow: none;
  transition: background .15s, border-color .15s;
}
.theme-toggle:hover:not(:disabled) {
  background: var(--c-border);
  transform: none;
  box-shadow: none;
}
.theme-toggle::before { display: none !important; }
.theme-icon-dark, .theme-icon-light { line-height: 1; }
:root[data-theme="dark"] .theme-icon-light { display: none; }
:root:not([data-theme="dark"]) .theme-icon-dark { display: none; }

/* ========== Dark-mode component overrides ========== */
:root[data-theme="dark"] .warn { background: rgba(214, 158, 46, 0.10); border-color: rgba(214, 158, 46, 0.4); color: #fbd38d; }
:root[data-theme="dark"] .warn a { color: #fbd38d; }
:root[data-theme="dark"] .quota-pill { background: rgba(129, 140, 248, 0.15); color: #a5b4fc; }
:root[data-theme="dark"] .quota-pill b { color: #c7d2fe; }
:root[data-theme="dark"] .form-error { background: rgba(229, 62, 62, 0.10); color: #fc8181; border-color: rgba(229, 62, 62, 0.3); }
:root[data-theme="dark"] .form-success { background: rgba(56, 161, 105, 0.10); color: #9ae6b4; border-color: rgba(56, 161, 105, 0.3); }
:root[data-theme="dark"] .status.error { background: rgba(229, 62, 62, 0.10); color: #fc8181; border-color: rgba(229, 62, 62, 0.3); }
:root[data-theme="dark"] .tag.pending { background: var(--c-border); color: var(--c-text-3); }
:root[data-theme="dark"] .tag.running { background: rgba(129, 140, 248, 0.15); color: #a5b4fc; }
:root[data-theme="dark"] .tag.done { background: rgba(56, 161, 105, 0.15); color: #9ae6b4; }
:root[data-theme="dark"] .tag.error { background: rgba(229, 62, 62, 0.15); color: #fc8181; }
:root[data-theme="dark"] .stat { background: linear-gradient(135deg, #1e293b 0%, #293548 100%); border-color: var(--c-border); }
:root[data-theme="dark"] .order-summary code { background: var(--c-bg); color: #fbd38d; }
:root[data-theme="dark"] code { background: var(--c-bg); color: #fbd38d; }
:root[data-theme="dark"] .contact-info code { background: rgba(214, 158, 46, 0.15); color: #fbd38d; }
:root[data-theme="dark"] .qr-box { background: var(--c-bg); border-color: var(--c-border-2); color: var(--c-text-4); }
:root[data-theme="dark"] .admin-table th { background: var(--c-bg); }
:root[data-theme="dark"] .admin-table tbody tr:hover { background: rgba(129, 140, 248, 0.05); }
:root[data-theme="dark"] .file-list { background: var(--c-card); }
:root[data-theme="dark"] .landing-section-alt { background: var(--c-card); border-color: var(--c-border); }
:root[data-theme="dark"] .landing-section-alt .adv,
:root[data-theme="dark"] .landing-section-alt .scenario { background: var(--c-bg); }
:root[data-theme="dark"] .tool-card-active {
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.15), rgba(167, 139, 250, 0.08));
}
:root[data-theme="dark"] .modal { background: rgba(0, 0, 0, 0.65); }
:root[data-theme="dark"] .btn-cta-primary { background: white; color: #4f46e5; }
:root[data-theme="dark"] header::before,
:root[data-theme="dark"] .landing-cta::before { opacity: 0.25; }

/* ========== Mobile responsive ========== */
@media (max-width: 768px) {
  .topbar {
    padding: 10px 16px;
    flex-wrap: wrap;
    gap: 8px;
  }
  .brand { font-size: 15px; }
  .tool-nav {
    order: 3;
    width: 100%;
    margin-left: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    gap: 2px;
    padding-bottom: 2px;
  }
  .tool-nav::-webkit-scrollbar { display: none; }
  .tool-link { padding: 6px 10px; font-size: 13px; white-space: nowrap; flex-shrink: 0; }
  .topbar-right { gap: 8px; font-size: 13px; flex-shrink: 0; }
  .user-email { max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: inline-block; }
  .quota-pill { padding: 4px 8px; font-size: 11px; }

  header { padding: 36px 16px 24px; }
  header h1 { font-size: 36px; letter-spacing: -1px; }
  .tagline { font-size: 15px; }
  .hero-stats { gap: 18px; margin-top: 18px; }
  .hero-stat-num { font-size: 19px; }
  .hero-stat-label { font-size: 11px; }

  .tool-wall {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    padding: 0 16px;
  }
  .tool-card { padding: 16px 12px; }
  .tool-emoji { width: 44px; height: 44px; font-size: 24px; margin-bottom: 8px; }
  .tool-name { font-size: 14px; }
  .tool-desc { font-size: 11px; }

  main { padding: 16px; margin-top: 16px; }
  .drop-zone { padding: 40px 16px; }
  .drop-inner .icon { font-size: 36px; }
  .controls { flex-wrap: wrap; gap: 10px; align-items: stretch; }
  .controls label { width: 100%; margin-bottom: -4px; }
  .controls select, .controls button, .controls input[type="text"] { width: 100%; flex-basis: 100%; }

  .section-title { font-size: 22px; }
  .landing-section { margin-top: 50px; padding: 0 16px; }
  .landing-section-alt { padding: 40px 16px; margin-top: 50px; }
  .landing-cta { margin-top: 50px; padding: 40px 16px; }
  .landing-cta h2 { font-size: 24px; }
  .btn-cta-primary, .btn-cta-secondary { padding: 12px 24px; font-size: 14px; }

  .pricing-wrap { padding: 0 16px 40px; }
  .pricing-grid { grid-template-columns: 1fr; }
  .plan.recommended { transform: none; }
  .plan { padding: 24px 20px; }

  .auth-box { margin: 32px 16px; padding: 28px 22px; }
  .order-page, .dashboard { padding: 0 16px 40px; }
  .card { padding: 22px 18px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 14px 10px; }
  .stat-num { font-size: 24px; }

  .modal-content { padding: 24px 20px; }
  .modal-price { font-size: 26px; }

  /* admin tables → 横向滚动 */
  .admin-table { font-size: 12px; }
  .card .admin-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

@media (max-width: 420px) {
  header h1 { font-size: 30px; }
  .tool-wall { grid-template-columns: 1fr; }
  .hero-stats { gap: 14px; }
}

/* 触屏设备隐藏"拖拽"相关字样
   双保险：CSS 媒体查询 + JS 加 .is-touch 类（兼容部分识别不准的浏览器） */
@media (hover: none) and (pointer: coarse) {
  .dnd-only { display: none !important; }
}
html.is-touch .dnd-only { display: none !important; }


/* === Quota exceeded inline CTA === */
.quota-prompt {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px; background: #fff5f5;
  border: 1px solid #feb2b2; border-radius: 12px;
  color: #9b2c2c; flex-wrap: wrap; justify-content: center;
}
[data-theme="dark"] .quota-prompt {
  background: rgba(229, 62, 62, 0.1);
  border-color: rgba(229, 62, 62, 0.3); color: #fc8181;
}
.btn-upgrade-inline {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 8px 18px;
  background: linear-gradient(135deg, #5e72e4 0%, #8a3ffc 100%);
  color: #fff !important; border-radius: 999px;
  font-size: 14px; font-weight: 600;
  text-decoration: none !important;
  box-shadow: 0 2px 8px rgba(138, 63, 252, 0.3);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}
.btn-upgrade-inline:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(138, 63, 252, 0.4);
}