/* ============================================
   天行中枢 - 公共样式
   ============================================ */

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

:root {
  --color-primary: #6366f1;
  --color-primary-hover: #4f46e5;
  --color-primary-light: rgba(99, 102, 241, 0.15);
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #3b82f6;

  --bg-dark: #0f172a;
  --bg-card: rgba(15, 23, 42, 0.85);
  --bg-card-hover: rgba(30, 41, 59, 0.9);
  --bg-input: rgba(30, 41, 59, 0.8);
  --bg-overlay: rgba(0, 0, 0, 0.4);

  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --border-color: rgba(148, 163, 184, 0.15);
  --border-focus: var(--color-primary);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px rgba(99,102,241,0.3);

  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', Arial, sans-serif;
  --font-mono: Consolas, 'SFMono-Regular', 'Liberation Mono', Menlo, monospace;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;
}

:root[data-theme-mode="light"] {
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: rgba(37, 99, 235, 0.12);
  --color-success: #16a34a;
  --color-warning: #d97706;
  --color-danger: #dc2626;
  --color-info: #0284c7;

  --bg-dark: #f4f7fb;
  --bg-card: rgba(255, 255, 255, 0.96);
  --bg-card-hover: rgba(241, 245, 249, 0.96);
  --bg-input: rgba(248, 250, 252, 0.96);
  --bg-overlay: rgba(15, 23, 42, 0.16);

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;

  --border-color: rgba(15, 23, 42, 0.12);
  --border-focus: var(--color-primary);

  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.10);
  --shadow-lg: 0 8px 32px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.16);
}

:root[data-theme-mode="dark"] {
  color-scheme: dark;
}

:root[data-theme-mode="light"] body {
  color-scheme: light;
}

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--text-primary);
  background: var(--bg-dark);
  min-height: 100vh;
  overflow-x: hidden;
}

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

/* ---------- Video Background ---------- */
.video-bg {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: -1;
  overflow: hidden;
  background-color: #0f172a;
  background-position: center;
  background-size: cover;
}

.video-bg video {
  position: absolute;
  top: 50%; left: 50%;
  min-width: 100%; min-height: 100%;
  width: 100%; height: 100%;
  transform: translate(-50%, -50%);
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.5s ease;
}

.video-bg video.active {
  opacity: 1;
}

/* 暗色叠加层，保证文字可读 */
.video-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15, 23, 42, 0.6) 0%,
    rgba(15, 23, 42, 0.3) 50%,
    rgba(15, 23, 42, 0.6) 100%
  );
  z-index: 1;
}

/* ---------- Layout ---------- */
.page-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  position: relative;
  z-index: 2;
}

.page-wrapper.stretch {
  align-items: stretch;
  justify-content: flex-start;
}

/* ---------- Card ---------- */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 32px;
}

.card-sm {
  padding: 24px;
  border-radius: var(--radius-md);
}

.card-glow {
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
}

.text-center { text-align: center; }
.text-muted { color: var(--text-secondary); }
.text-sm { font-size: 0.85rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.25rem; }
.text-xl { font-size: 1.5rem; }
.text-2xl { font-size: 2rem; }

/* ---------- Form Elements ---------- */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}

.form-input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-input::placeholder {
  color: var(--text-muted);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 500;
  font-family: var(--font-sans);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  outline: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border-color: var(--border-color);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.btn-danger {
  background: var(--color-danger);
  color: #fff;
}
.btn-danger:hover:not(:disabled) {
  background: #dc2626;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.btn-block {
  width: 100%;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-sm);
}

/* ---------- Badge / Tag ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: var(--radius-full);
}

.badge-success {
  background: rgba(34,197,94,0.15);
  color: var(--color-success);
}
.badge-warning {
  background: rgba(245,158,11,0.15);
  color: var(--color-warning);
}
.badge-danger {
  background: rgba(239,68,68,0.15);
  color: var(--color-danger);
}
.badge-info {
  background: rgba(59,130,246,0.15);
  color: var(--color-info);
}

/* ---------- Table ---------- */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead {
  background: rgba(30, 41, 59, 0.6);
}

th {
  padding: 12px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: left;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

td {
  padding: 12px 16px;
  font-size: 0.9rem;
  border-top: 1px solid var(--border-color);
  white-space: nowrap;
}

tbody tr {
  transition: background var(--transition-fast);
}
tbody tr:hover {
  background: var(--bg-card-hover);
}

/* ---------- Utility ---------- */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: 8px; }
.gap-md { gap: 16px; }
.gap-lg { gap: 24px; }
.w-full { width: 100%; }
.mt-sm { margin-top: 8px; }
.mt-md { margin-top: 16px; }
.mt-lg { margin-top: 24px; }
.mb-sm { margin-bottom: 8px; }
.mb-md { margin-bottom: 16px; }
.mb-lg { margin-bottom: 24px; }
.p-sm { padding: 8px; }
.p-md { padding: 16px; }
.p-lg { padding: 24px; }
.hidden { display: none !important; }
.opacity-0 { opacity: 0; }
.pointer { cursor: pointer; }
.rounded-full { border-radius: var(--radius-full); }

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }

/* ---------- Toast Notification ---------- */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.9rem;
  box-shadow: var(--shadow-md);
  animation: slideIn 0.3s ease;
  max-width: 360px;
}

.toast.success { border-left: 3px solid var(--color-success); }
.toast.error { border-left: 3px solid var(--color-danger); }
.toast.warning { border-left: 3px solid var(--color-warning); }
.toast.info { border-left: 3px solid var(--color-info); }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ---------- Upload Dock ---------- */
.tx-upload-dock {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 930;
  width: min(380px, calc(100vw - 28px));
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-card);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}

.tx-upload-dock.minimized {
  width: min(260px, calc(100vw - 28px));
}

.tx-upload-head {
  min-height: 46px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 1px solid var(--border-color);
}

.tx-upload-title {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  font-weight: 650;
}

.tx-upload-title span:last-child {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tx-upload-tools {
  display: flex;
  gap: 6px;
}

.tx-upload-icon {
  width: 30px;
  height: 30px;
  border: 1px solid var(--border-color);
  border-radius: 7px;
  background: transparent;
  color: var(--text-secondary);
  display: grid;
  place-items: center;
  cursor: pointer;
}

.tx-upload-icon:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.tx-upload-list {
  display: grid;
  gap: 10px;
  padding: 12px;
  max-height: none;
  overflow: visible;
}

.tx-upload-dock.minimized .tx-upload-list {
  display: none;
}

.tx-upload-item {
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-input);
}

.tx-upload-row {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.tx-upload-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 620;
}

.tx-upload-status {
  color: var(--text-muted);
  font-size: .78rem;
  white-space: nowrap;
}

.tx-upload-bar {
  height: 8px;
  border-radius: 999px;
  background: rgba(148, 163, 184, .16);
  overflow: hidden;
}

.tx-upload-bar span {
  display: block;
  height: 100%;
  width: var(--progress, 0%);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-primary), var(--color-success));
  transition: width .18s ease;
}

.tx-upload-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--text-muted);
  font-size: .76rem;
}

.tx-upload-item.success .tx-upload-bar span {
  background: var(--color-success);
}

.tx-upload-item.error .tx-upload-bar span,
.tx-upload-item.canceled .tx-upload-bar span {
  background: var(--color-danger);
}

.tx-upload-action {
  border: 0;
  background: transparent;
  color: var(--color-danger);
  cursor: pointer;
  font: inherit;
  font-size: .78rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
  html { font-size: 13px; }
  .card { padding: 20px; }
  .hide-mobile { display: none !important; }
  .tx-upload-dock {
    right: 14px;
    bottom: 14px;
  }
}