/* Crant AI Studio - Design System
 * Based on ui-design-spec.md - Linear/Raycast inspired design
 * Dark-first, glass morphism, multi-layer shadows, large border radii
 */

/* ============================================
   Light Mode
   ============================================ */
:root {
  --background: #ffffff;
  --foreground: #222222;
  --card: #ffffff;
  --card-foreground: #222222;
  --popover: #ffffff;
  --popover-foreground: #222222;
  --primary: #181e25;
  --primary-foreground: #ffffff;
  --secondary: #f5f5f5;
  --secondary-foreground: #333333;
  --muted: #f5f5f5;
  --muted-foreground: #45515e;
  --accent: #f5f5f5;
  --accent-foreground: #18181b;
  --destructive: #ef4444;
  --border: #e5e5e5;
  --input: #e5e5e5;
  --ring: #3b82f6;
  --radius: 0.8125rem;

  /* Brand colors */
  --brand-blue: #1456f0;
  --brand-blue-bg: #edf4ff;

  /* Shadows */
  --shadow-card: 0 8px 24px rgba(24,40,72,0.07);
  --shadow-button: 0 4px 10px rgba(24,30,37,0.12);
  --shadow-button-outline: 0 4px 6px rgba(0,0,0,0.04);
  --shadow-input: 0 2px 4px rgba(0,0,0,0.03);
  --shadow-dialog: 0 32px 110px -38px rgba(15,23,42,0.45);
  --shadow-nav: 0 0 22.576px rgba(44,74,116,0.09);
  --shadow-dropdown: 0 20px 60px -30px rgba(15,23,42,0.35);
  --shadow-login: 0 28px 80px rgba(15,23,42,0.12), 0 10px 28px rgba(44,30,116,0.08);

  /* Background patterns */
  --bg-base: #fff9fb;
  --bg-gradient-start: #fff8fa;
  --bg-gradient-end: #f4f8ff;
  --dot-color: rgba(20,86,240,0.12);
}

/* ============================================
   Dark Mode
   ============================================ */
.dark {
  --background: #111111;
  --foreground: #e5e5e5;
  --card: #1a1a1a;
  --card-foreground: #e5e5e5;
  --popover: #1a1a1a;
  --popover-foreground: #e5e5e5;
  --primary: #e5e5e5;
  --primary-foreground: #111111;
  --secondary: #262626;
  --secondary-foreground: #e5e5e5;
  --muted: #262626;
  --muted-foreground: #a3a3a3;
  --accent: #262626;
  --accent-foreground: #e5e5e5;
  --destructive: #ef4444;
  --border: rgba(255,255,255,0.08);
  --input: rgba(255,255,255,0.1);
  --ring: #6b7280;

  /* Shadows - reduced in dark mode */
  --shadow-card: 0 8px 24px rgba(0,0,0,0.3);
  --shadow-button: 0 4px 10px rgba(0,0,0,0.4);
  --shadow-button-outline: 0 4px 6px rgba(0,0,0,0.2);
  --shadow-input: 0 2px 4px rgba(0,0,0,0.2);
  --shadow-dialog: 0 32px 110px -38px rgba(0,0,0,0.6);
  --shadow-nav: 0 0 22.576px rgba(0,0,0,0.3);
  --shadow-dropdown: 0 20px 60px -30px rgba(0,0,0,0.5);
  --shadow-login: 0 30px 90px rgba(2,6,23,0.58), 0 12px 32px rgba(2,6,23,0.32);

  /* Background patterns - dark */
  --bg-base: #111111;
  --bg-gradient-start: #0f0f0f;
  --bg-gradient-end: #141414;
  --dot-color: rgba(255,255,255,0.05);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "SF Pro Display", "SF Pro Text", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--foreground);
  background-color: var(--bg-base);
  background-image:
    radial-gradient(var(--dot-color) 1px, transparent 1px),
    linear-gradient(145deg, var(--bg-gradient-start) 0%, var(--background) 48%, var(--bg-gradient-end) 100%);
  background-position: 0 0, center;
  background-size: 12px 12px, cover;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Scrollbar
   ============================================ */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--muted-foreground);
  border-radius: 9999px;
  opacity: 0.3;
}

::-webkit-scrollbar-thumb:hover {
  opacity: 0.5;
}

/* ============================================
   Selection
   ============================================ */
::selection {
  background-color: var(--primary);
  color: var(--primary-foreground);
}

/* ============================================
   Focus
   ============================================ */
:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: 2px;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--foreground);
}

h1 { font-size: 24px; }
h2 { font-size: 18px; }
h3 { font-size: 16px; }

a {
  color: var(--brand-blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

code, pre {
  font-family: "SF Mono", "Fira Code", "Consolas", monospace;
}

code {
  background: var(--muted);
  padding: 2px 6px;
  border-radius: 6px;
  font-size: 13px;
}

pre {
  background: var(--muted);
  padding: 16px;
  border-radius: 12px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.6;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  white-space: nowrap;
  border-radius: 13px;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.15s ease;
  cursor: pointer;
  border: none;
  outline: none;
  text-decoration: none;
  flex-shrink: 0;
}

.btn:disabled {
  pointer-events: none;
  opacity: 0.5;
}

.btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
  box-shadow: var(--shadow-button);
  padding: 8px 16px;
  height: 36px;
}

.btn-primary:hover {
  background: #2a323d;
}

.dark .btn-primary:hover {
  background: #2a2a2a;
}

.btn-secondary {
  background: var(--secondary);
  color: var(--secondary-foreground);
  box-shadow: none;
  padding: 8px 16px;
  height: 36px;
}

.btn-secondary:hover {
  background: #e8e8e8;
}

.dark .btn-secondary:hover {
  background: #333333;
}

.btn-outline {
  background: var(--background);
  color: var(--foreground);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-button-outline);
  padding: 8px 16px;
  height: 36px;
}

.btn-outline:hover {
  background: var(--accent);
  color: var(--accent-foreground);
}

.btn-ghost {
  background: transparent;
  color: var(--muted-foreground);
  padding: 8px 16px;
  height: 36px;
}

.btn-ghost:hover {
  background: var(--accent);
  color: var(--accent-foreground);
}

.btn-danger {
  background: var(--destructive);
  color: white;
  padding: 8px 16px;
  height: 36px;
}

.btn-danger:hover {
  background: #dc2626;
}

.btn-link {
  background: transparent;
  color: var(--primary);
  padding: 8px 16px;
  height: 36px;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.btn-link:hover {
  text-decoration: underline;
}

.btn-icon {
  background: transparent;
  color: var(--muted-foreground);
  padding: 8px;
  width: 36px;
  height: 36px;
  border-radius: 9999px;
}

.btn-icon:hover {
  background: var(--accent);
  color: var(--accent-foreground);
}

.btn-sm {
  height: 32px;
  padding: 6px 12px;
  font-size: 13px;
  border-radius: 11px;
}

.btn-lg {
  height: 40px;
  padding: 10px 24px;
  font-size: 15px;
}

/* ============================================
   Inputs
   ============================================ */
.input {
  display: flex;
  height: 40px;
  width: 100%;
  min-width: 0;
  border-radius: 13px;
  border: 1px solid var(--input);
  background: var(--background);
  padding: 8px 12px;
  font-size: 14px;
  color: var(--foreground);
  box-shadow: var(--shadow-input);
  outline: none;
  transition: color 0.15s, box-shadow 0.15s;
}

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

.input::selection {
  background: var(--primary);
  color: var(--primary-foreground);
}

.input:focus {
  border-color: var(--ring);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.2);
}

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

/* ============================================
   Textarea
   ============================================ */
.textarea {
  display: flex;
  min-height: 120px;
  width: 100%;
  border-radius: 13px;
  border: 1px solid var(--input);
  background: var(--background);
  padding: 12px;
  font-size: 14px;
  color: var(--foreground);
  box-shadow: var(--shadow-input);
  outline: none;
  resize: vertical;
  font-family: inherit;
  transition: color 0.15s, box-shadow 0.15s;
}

.textarea::placeholder {
  color: var(--muted-foreground);
}

.textarea:focus {
  border-color: var(--ring);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.2);
}

/* ============================================
   Select
   ============================================ */
.select {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  height: 40px;
  width: 100%;
  border-radius: 13px;
  border: 1px solid var(--input);
  background: var(--background);
  padding: 8px 12px;
  font-size: 14px;
  color: var(--foreground);
  box-shadow: var(--shadow-input);
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2345515e' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.select:focus {
  border-color: var(--ring);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.2);
}

/* ============================================
   Checkbox
   ============================================ */
.checkbox {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  border: 1px solid var(--input);
  background: var(--background);
  cursor: pointer;
  accent-color: var(--brand-blue);
  transition: all 0.15s ease;
}

.checkbox:focus {
  box-shadow: 0 0 0 3px rgba(59,130,246,0.2);
}

.checkbox:checked {
  border-color: var(--brand-blue);
  background: var(--brand-blue);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 12px;
}

/* ============================================
   Range Input
   ============================================ */
.range-input {
  width: 100%;
  height: 6px;
  border-radius: 9999px;
  background: var(--muted);
  outline: none;
  cursor: pointer;
  accent-color: var(--brand-blue);
}

.range-input::-webkit-slider-thumb {
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 2px solid var(--background);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

.range-input::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: 2px solid var(--background);
  box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}

/* ============================================
   Modifier Classes
   ============================================ */
.input-mono,
.textarea-mono {
  font-family: "SF Mono", "Fira Code", "Consolas", monospace;
  font-size: 13px;
}

/* ============================================
   Card
   ============================================ */
.card {
  background: var(--card);
  color: var(--card-foreground);
  border-radius: 16px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}

.card-header {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 24px;
}

.card-title {
  font-weight: 600;
  font-size: 16px;
  line-height: 1;
}

.card-description {
  font-size: 14px;
  color: var(--muted-foreground);
  line-height: 1.5;
}

.card-content {
  padding: 24px;
  padding-top: 0;
}

.card-footer {
  display: flex;
  align-items: center;
  padding: 24px;
  padding-top: 0;
}

/* ============================================
   Badge
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 9999px;
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 600;
  transition: background-color, color, border-color;
  border: 1px solid transparent;
}

.badge-default {
  background: var(--brand-blue-bg);
  color: var(--brand-blue);
}

.dark .badge-default {
  background: rgba(20,86,240,0.2);
  color: #60a5fa;
}

.badge-secondary {
  background: var(--secondary);
  color: var(--secondary-foreground);
}

.badge-outline {
  background: transparent;
  color: var(--foreground);
  border: 1px solid var(--border);
}

.badge-success {
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.dark .badge-success {
  background: rgba(16,185,129,0.15);
  color: #6ee7b7;
  border-color: rgba(16,185,129,0.3);
}

.badge-warning {
  background: #fffbeb;
  color: #b45309;
  border: 1px solid #fde68a;
}

.dark .badge-warning {
  background: rgba(245,158,11,0.15);
  color: #fcd34d;
  border-color: rgba(245,158,11,0.3);
}

.badge-danger {
  background: #fff1f2;
  color: #be123c;
  border: 1px solid #fecdd3;
}

.dark .badge-danger {
  background: rgba(244,63,94,0.15);
  color: #fda4af;
  border-color: rgba(244,63,94,0.3);
}

.badge-info {
  background: #f0f9ff;
  color: var(--brand-blue);
  border: 1px solid #bae6fd;
}

.dark .badge-info {
  background: rgba(14,165,233,0.15);
  color: #7dd3fc;
  border-color: rgba(14,165,233,0.3);
}

.badge-violet {
  background: #f5f3ff;
  color: #6d28d9;
  border: 1px solid #ddd6fe;
}

.dark .badge-violet {
  background: rgba(139,92,246,0.15);
  color: #c4b5fd;
  border-color: rgba(139,92,246,0.3);
}

/* ============================================
   Dialog / Modal
   ============================================ */
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  backdrop-filter: blur(2px);
}

.modal.active {
  display: flex;
}

.modal-content {
  position: relative;
  width: min(92vw, 560px);
  max-height: 90vh;
  overflow: hidden; /* 头/脚固定，仅 body 滚动 */
  border-radius: 24px;
  border: 1px solid var(--border);
  background: var(--background);
  padding: 0;
  box-shadow: var(--shadow-dialog);
  display: flex;
  flex-direction: column;
  gap: 0;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  margin-bottom: 0;
  padding: 20px 24px 12px;
  position: relative;
}

.modal-header h3 {
  font-size: 20px;
  font-weight: 600;
  padding-right: 48px; /* 避免标题与右上角叉号重叠 */
}

/* 仅标题栏内的叉号固定在右上角；footer 勿再使用 modal-close 承载文字取消 */
.modal-close {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  background: transparent;
  border: none;
  color: var(--muted-foreground);
  cursor: pointer;
  opacity: 0.7;
  font-size: 27px;
  line-height: 1;
  padding: 0;
  flex-shrink: 0;
}

.modal-header .modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
}

.modal-close:hover {
  opacity: 1;
  background: var(--accent);
}

/* ============================================
   Field System
   ============================================ */
.field {
  display: grid;
  gap: 8px;
}

.field-group {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.field-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--foreground);
}

.field-description {
  font-size: 12px;
  line-height: 20px;
  color: var(--muted-foreground);
}

.modal-body {
  margin-bottom: 0;
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 4px 24px 16px;
  -webkit-overflow-scrolling: touch;
}

.modal-footer {
  display: flex;
  flex-direction: column-reverse;
  gap: 8px;
  flex-shrink: 0;
  padding: 12px 24px 20px;
  border-top: 1px solid var(--border);
  background: var(--background);
}

@media (min-width: 640px) {
  .modal-footer {
    flex-direction: row;
    justify-content: flex-end;
  }
}

/* Wide modal */
.modal-wide {
  max-width: 800px;
}

/* ============================================
   Table
   ============================================ */
.table-wrapper {
  overflow-x: auto;
  border-radius: 16px;
  border: 1px solid var(--border);
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.5;
}

.table th {
  height: 40px;
  padding: 0 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  background: rgba(245,245,245,0.55);
  border-bottom: 1px solid var(--border);
}

.dark .table th {
  background: rgba(38,38,38,0.55);
}

.table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

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

.table tr:hover td {
  background: rgba(245,245,245,0.5);
}

.dark .table tr:hover td {
  background: rgba(38,38,38,0.5);
}

/* ============================================
   Navigation (TopNav)
   ============================================ */
.topnav {
  position: sticky;
  top: 12px;
  z-index: 40;
  border-radius: 24px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.9);
  box-shadow: var(--shadow-nav);
  backdrop-filter: blur(12px);
}

.dark .topnav {
  background: rgba(26,26,26,0.9);
}

.topnav-inner {
  display: flex;
  min-height: 56px;
  flex-direction: column;
  gap: 8px;
  padding: 8px 12px;
}

@media (min-width: 1024px) {
  .topnav-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 8px 16px;
  }
}

.topnav-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--foreground);
  text-decoration: none;
}

.topnav-brand img {
  width: 24px;
  height: 24px;
  border-radius: 6px;
}

.topnav-nav {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 0 4px;
  scrollbar-width: none;
}

.topnav-nav::-webkit-scrollbar {
  display: none;
}

.topnav-link {
  position: relative;
  flex-shrink: 0;
  white-space: nowrap;
  border-radius: 9999px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted-foreground);
  text-decoration: none;
  transition: all 0.15s;
}

.topnav-link:hover {
  background: var(--accent);
  color: var(--accent-foreground);
  text-decoration: none;
}

.topnav-link.active {
  background: var(--primary);
  color: var(--primary-foreground);
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.topnav-tag {
  border-radius: 9999px;
  background: var(--muted);
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 500;
  color: var(--muted-foreground);
}

.topnav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ============================================
   Sidebar
   ============================================ */
.sidebar {
  width: 260px;
  background: var(--card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  overflow-y: auto;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-header h2 {
  font-size: 16px;
  font-weight: 600;
}

.sidebar-nav {
  flex: 1;
  padding: 8px 0;
}

.nav-section {
  margin-bottom: 4px;
}

.nav-section-title {
  padding: 8px 20px;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.nav-item {
  display: flex;
  align-items: center;
  padding: 8px 20px;
  color: var(--muted-foreground);
  cursor: pointer;
  transition: all 0.15s;
  text-decoration: none;
}

.nav-item:hover {
  background: var(--accent);
  color: var(--accent-foreground);
}

.nav-item.active {
  background: rgba(20,86,240,0.1);
  color: var(--brand-blue);
}

.nav-item svg,
.nav-item .sf-icon {
  margin-right: 10px;
  opacity: 0.7;
}

.nav-item.active svg,
.nav-item.active .sf-icon {
  opacity: 1;
}

.sidebar-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.avatar {
  width: 32px;
  height: 32px;
  border-radius: 9999px;
  background: var(--muted);
}

/* ============================================
   Form Groups
   ============================================ */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--foreground);
  margin-bottom: 6px;
}

.form-group .help-text {
  font-size: 12px;
  color: var(--muted-foreground);
  margin-top: 4px;
}

.form-actions {
  display: flex;
  gap: 8px;
  margin-top: 20px;
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  font-size: 14px;
  border-radius: 13px;
  border: 1px solid var(--border);
  background: var(--background);
  color: var(--foreground);
  outline: none;
  transition: border-color 0.2s;
}

.form-input:focus {
  border-color: var(--ring);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.2);
}

.toggle-form {
  text-align: center;
  margin-top: 16px;
  font-size: 14px;
  color: var(--muted-foreground);
}

.toggle-form button {
  background: none;
  border: none;
  color: var(--primary);
  font-weight: 600;
  cursor: pointer;
  margin-left: 4px;
}

.toggle-form button:hover {
  text-decoration: underline;
}

/* ============================================
   Layout
   ============================================ */
.app-container {
  display: flex;
  min-height: 100vh;
  width: 100%;
  max-width: 100vw;
  overflow-x: hidden;
}

.main-content {
  flex: 1;
  min-width: 0; /* 允许 flex 子项收缩，避免宽表格撑破视口 */
  max-width: 100%;
  margin-left: 260px;
  padding: 24px 32px;
  overflow-x: hidden;
  box-sizing: border-box;
}

.content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
}

.content-header h1 {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.page {
  display: none;
  max-width: 100%;
  min-width: 0;
}

.page.active {
  display: block;
  max-width: 100%;
  min-width: 0;
}

/* ============================================
   Stats Grid
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--card);
  border-radius: 16px;
  padding: 16px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
}

.stat-card .stat-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 16px;
}

.stat-card .stat-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted-foreground);
}

.stat-card .stat-icon {
  color: var(--muted-foreground);
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.025em;
}

/* ============================================
   Content Sections
   ============================================ */
.content-section {
  background: var(--card);
  border-radius: 16px;
  padding: 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  margin-bottom: 16px;
  max-width: 100%;
  min-width: 0;
  overflow-x: hidden;
  box-sizing: border-box;
}

.content-section h2 {
  margin-bottom: 16px;
}

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

.section-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

/* ============================================
   Model Cards
   ============================================ */
.models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
}

.model-card {
  background: var(--card);
  border-radius: 16px;
  padding: 20px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: all 0.15s;
}

.model-card:hover {
  border-color: var(--brand-blue);
}

.model-card h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.model-card p {
  font-size: 14px;
  color: var(--muted-foreground);
  margin-bottom: 12px;
  line-height: 1.5;
}

.model-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.price {
  font-size: 12px;
  color: var(--brand-blue);
  font-weight: 600;
}

.reference-price {
  font-size: 11px;
  color: var(--muted-foreground);
  text-decoration: line-through;
  opacity: 0.7;
  display: block;
  margin-top: 2px;
}

.model-id {
  font-family: "SF Mono", monospace;
  font-size: 12px;
  color: var(--muted-foreground);
}

.model-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}

.series-badge {
  font-size: 11px;
  padding: 2px 8px;
  background: var(--brand-blue-bg);
  color: var(--brand-blue);
  border-radius: 6px;
  font-weight: 500;
}

/* ============================================
   Model Filters
   ============================================ */
.model-filters {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 200px;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

.search-input {
  width: 100%;
  height: 40px;
  padding: 0 16px 0 40px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--foreground);
  font-size: 14px;
  transition: all 0.15s;
}

.search-input:focus {
  outline: none;
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 3px rgba(20, 86, 240, 0.1);
}

.search-input::placeholder {
  color: var(--muted-foreground);
}

.filter-select {
  height: 40px;
  padding: 0 32px 0 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--foreground);
  font-size: 14px;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  transition: all 0.15s;
}

.filter-select:focus {
  outline: none;
  border-color: var(--brand-blue);
}

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

.model-count-badge {
  font-size: 13px;
  color: var(--muted-foreground);
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
}

.empty-state p {
  font-size: 15px;
  font-weight: 500;
  margin-top: 16px;
  color: var(--foreground);
}

.empty-state span {
  font-size: 13px;
  color: var(--muted-foreground);
  margin-top: 4px;
}

/* ============================================
   API Key Cards — 清晰简明布局（一行两列）
   ============================================ */
/* 外层 #apiKeysList 只承载分组容器（.api-key-groups），
   不应套用 2 列网格，否则唯一的分组子元素被挤到左半列、
   右半列留白，呈现为"key 列表只占左边一半"。
   2 列网格仅应用于直接包裹卡片的内层 .api-keys-list。 */
#apiKeysList.api-keys-list {
  display: block;
}

.api-key-group > .api-keys-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-items: stretch;
}

/* 兜底：其它场景的 .api-keys-list 保持原本 2 列网格 */
.api-keys-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-items: stretch;
}

/* API Key 页面分组：普通 Key 与 Co-Key 分开呈现 */
.api-key-groups {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.api-key-group {
  min-width: 0;
}

.api-key-group-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.api-key-group-title {
  margin: 0;
  font-size: 16px;
  line-height: 1.35;
}

.api-key-group-hint {
  margin: 3px 0 0;
  color: var(--muted-foreground);
  font-size: 12px;
}

.api-key-group-count {
  min-width: 24px;
  height: 24px;
  padding: 0 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  color: var(--brand-blue);
  background: color-mix(in srgb, var(--brand-blue) 12%, transparent);
  font-size: 12px;
  font-weight: 600;
}

.api-key-group-cokey .api-key-group-count {
  color: #7c3aed;
  background: rgba(124, 58, 237, 0.12);
}

.api-key-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 0;
  box-shadow: var(--shadow-card);
  transition: border-color 0.15s, box-shadow 0.15s;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.api-key-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 3px;
  background: var(--brand-blue);
  border-radius: 3px;
}

.api-key-card:hover {
  border-color: color-mix(in srgb, var(--brand-blue) 45%, var(--border));
}

.api-key-card.api-key-drag-over {
  border-color: var(--brand-blue);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
  background: rgba(59, 130, 246, 0.03);
}

.api-key-card.key-disabled {
  opacity: 0.62;
  border-color: rgba(239, 68, 68, 0.28);
}

.api-key-card.key-disabled:hover {
  border-color: rgba(239, 68, 68, 0.45);
}

.api-key-card.key-disabled::before {
  background: #ef4444;
}

/* API Key 拖拽排序 */
.api-key-drag-handle {
  flex-shrink: 0;
  cursor: grab;
  color: var(--muted-foreground);
  font-size: 14px;
  line-height: 1;
  padding: 6px 4px;
  border-radius: 6px;
  user-select: none;
  transition: color 0.15s, background 0.15s;
}

.api-key-drag-handle:hover {
  color: var(--brand-blue);
  background: rgba(59, 130, 246, 0.08);
}

.api-key-drag-handle:active {
  cursor: grabbing;
}

.api-key-card.api-key-sort-dragging {
  opacity: 0.45;
}

.api-key-card.api-key-sort-over-top {
  box-shadow: 0 -2px 0 0 var(--brand-blue);
}

.api-key-card.api-key-sort-over-bottom {
  box-shadow: 0 2px 0 0 var(--brand-blue);
}

/* 拖拽标签时卡片收成单行（仍保持两列网格） */
.api-keys-compact-drag.api-keys-list,
.api-keys-compact-drag .api-keys-list {
  gap: 8px;
}

.api-keys-compact-drag .api-key-card {
  padding: 10px 14px;
  border-radius: 10px;
  margin-bottom: 0;
  transition: all 0.2s ease;
}

.api-keys-compact-drag .api-key-card .api-key-prefix,
.api-keys-compact-drag .api-key-card .api-key-body,
.api-keys-compact-drag .api-key-card .api-key-tags-row,
.api-keys-compact-drag .api-key-card .api-key-footer,
.api-keys-compact-drag .api-key-card .api-key-subline,
.api-keys-compact-drag .api-key-card .api-key-chips,
.api-keys-compact-drag .api-key-card .api-key-meta-divider,
.api-keys-compact-drag .api-key-card .api-key-inline-tags,
.api-keys-compact-drag .api-key-card > div:not(.api-key-header) {
  display: none !important;
}

.api-keys-compact-drag .api-key-card .api-key-header {
  margin-bottom: 0;
}

.api-keys-compact-drag .api-key-card::after {
  content: '拖放标签到此处';
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  color: var(--muted-foreground);
  pointer-events: none;
}

.api-key-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.api-key-title {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  min-width: 0;
  flex: 1;
}

.api-key-enable-toggle {
  margin-top: 2px;
  flex-shrink: 0;
}

.api-key-title-text {
  min-width: 0;
  flex: 1;
}

.api-key-name-row {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 6px 8px;
  min-width: 0;
  width: 100%;
}

.api-key-name {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--foreground);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 0 1 auto;
  max-width: min(42%, 180px);
  min-width: 48px;
}

/* 点击名称就地重命名 */
.api-key-name-editable {
  cursor: pointer;
  border-radius: 6px;
  padding: 1px 4px;
  margin: -1px -4px;
  outline: none;
  transition: background 0.12s, box-shadow 0.12s, color 0.12s;
}

.api-key-name-editable:hover,
.api-key-name-editable:focus-visible {
  background: color-mix(in srgb, var(--brand-blue) 10%, transparent);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--brand-blue) 28%, var(--border));
  color: var(--brand-blue);
}

.api-key-name-input {
  box-sizing: border-box;
  flex: 0 1 auto;
  min-width: 80px;
  max-width: min(50%, 240px);
  height: 28px;
  margin: -2px 0;
  padding: 0 8px;
  border: 1px solid var(--brand-blue);
  border-radius: 7px;
  background: var(--card);
  color: var(--foreground);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand-blue) 18%, transparent);
}

.api-key-chips {
  display: inline-flex;
  flex-wrap: nowrap;
  gap: 4px;
  align-items: center;
  flex-shrink: 0;
}

.api-key-meta-divider {
  width: 1px;
  height: 14px;
  background: var(--border);
  flex-shrink: 0;
  opacity: 0.85;
  margin: 0 2px;
  align-self: center;
}

/* 状态 chip 后的内联标签区：单行，超出折叠 */
.api-key-inline-tags {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
  flex: 1 1 auto;
}

.api-key-inline-tags-track {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
  overflow: hidden;
  flex: 1 1 auto;
}

.api-key-inline-tags-track .key-tag-chip-sm {
  flex-shrink: 0;
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.api-key-inline-tags .key-tag-add-tag-btn {
  flex-shrink: 0;
}

.api-key-tags-more {
  flex-shrink: 0;
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  border: 1px dashed var(--border);
  background: transparent;
  color: var(--muted-foreground);
  font-size: 11px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}

.api-key-tags-more:hover {
  background: var(--muted);
  color: var(--foreground);
  border-color: color-mix(in srgb, var(--brand-blue) 40%, var(--border));
}

.api-key-tags-overflow-popover {
  position: fixed;
  z-index: 320;
  min-width: 200px;
  max-width: min(320px, calc(100vw - 16px));
  max-height: min(320px, calc(100vh - 24px));
  overflow: auto;
  padding: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.16);
}

.api-key-tags-overflow-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted-foreground);
  margin-bottom: 8px;
  padding: 0 2px;
}

.api-key-tags-overflow-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 10px;
}

.api-key-tags-overflow-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 4px 2px;
}

.api-key-tags-overflow-empty {
  font-size: 12px;
  color: var(--muted-foreground);
  padding: 8px 4px;
}

.api-key-tags-overflow-remove {
  border: none;
  background: transparent;
  color: var(--muted-foreground);
  font-size: 12px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 6px;
  flex-shrink: 0;
}

.api-key-tags-overflow-remove:hover {
  color: #dc2626;
  background: rgba(239, 68, 68, 0.08);
}

.api-key-tags-overflow-manage {
  width: 100%;
}

.api-key-tag-assign-dropdown {
  position: fixed;
  z-index: 300;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  padding: 6px;
  min-width: 160px;
  max-height: 240px;
  overflow-y: auto;
}

.api-key-tag-assign-empty {
  padding: 8px 12px;
  font-size: 12px;
  color: var(--muted-foreground);
}

.api-key-tag-assign-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
}

.api-key-tag-assign-item:hover,
.api-key-tag-assign-item.is-on {
  background: var(--muted);
}

.api-key-chip {
  display: inline-flex;
  align-items: center;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 500;
  line-height: 1.5;
  border: 1px solid transparent;
  white-space: nowrap;
}

.api-key-chip-ok {
  background: rgba(16, 185, 129, 0.12);
  color: #059669;
  border-color: rgba(16, 185, 129, 0.22);
}

.api-key-chip-warn {
  background: rgba(245, 158, 11, 0.12);
  color: #b45309;
  border-color: rgba(245, 158, 11, 0.22);
}

.api-key-chip-danger,
.api-key-chip-off {
  background: rgba(239, 68, 68, 0.1);
  color: #dc2626;
  border-color: rgba(239, 68, 68, 0.2);
}

.api-key-chip-info {
  background: rgba(59, 130, 246, 0.1);
  color: #2563eb;
  border-color: rgba(59, 130, 246, 0.2);
}

.api-key-chip-muted {
  background: color-mix(in srgb, var(--muted) 80%, transparent);
  color: var(--muted-foreground);
  border-color: var(--border);
}

.api-key-subline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px 4px;
  margin-top: 4px;
  font-size: 12px;
  color: var(--muted-foreground);
  line-height: 1.4;
}

.api-key-sub-muted {
  color: var(--muted-foreground);
  opacity: 0.9;
}

.api-key-dot {
  opacity: 0.45;
  margin: 0 2px;
}

.api-key-prefix {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  padding: 8px 12px;
  background: var(--muted);
  border-radius: 10px;
  border: 1px solid var(--border);
}

.api-key-prefix code,
.api-key-value {
  font-family: "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 12.5px;
  color: var(--brand-blue);
  letter-spacing: 0.2px;
  flex: 1;
  min-width: 0;
  word-break: break-all;
  user-select: all;
  cursor: pointer;
}

.api-key-secret-actions {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
}

.copy-btn {
  padding: 4px 8px;
  background: none;
  border: none;
  color: var(--muted-foreground);
  cursor: pointer;
  border-radius: 6px;
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s;
}

.copy-btn:hover {
  background: var(--accent);
  color: var(--brand-blue);
}

.copy-btn.copied {
  color: #10b981;
}

.api-key-body {
  display: none; /* 路由已并入 footer 左侧 */
}

/* 底部左侧路由空心框（与 btn-sm 同高） */
.api-key-route-pill-wrap {
  min-width: 0;
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  margin-right: 8px;
}

.api-key-route-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-sizing: border-box;
  /* 与 btn-sm 同高；用 padding 撑高，避免 line-height:1 + overflow 裁切字形 */
  height: 32px;
  max-width: 100%;
  min-width: 0;
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: transparent;
  color: var(--foreground);
  font-size: 13px;
  line-height: 1.3;
  overflow: visible;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}

.api-key-route-pill:hover {
  border-color: color-mix(in srgb, var(--brand-blue) 45%, var(--border));
  background: color-mix(in srgb, var(--brand-blue) 6%, transparent);
}

.api-key-route-pill.is-empty {
  color: var(--muted-foreground);
  border-style: dashed;
}

.api-key-route-pill.has-queue {
  cursor: help;
}

.api-key-route-pill-label {
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--muted-foreground);
  line-height: 1.3;
}

.api-key-route-pill-model {
  min-width: 0;
  /* 只裁水平，避免底部被切断 */
  overflow-x: hidden;
  overflow-y: visible;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
  line-height: 1.3;
}

.api-key-route-pill-count {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--brand-blue) 35%, var(--border));
  color: var(--brand-blue);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.2;
}

/* 队列悬停浮层 */
.api-key-route-queue-tip {
  position: fixed;
  z-index: 330;
  min-width: 200px;
  max-width: min(320px, calc(100vw - 16px));
  max-height: min(280px, calc(100vh - 24px));
  overflow: auto;
  padding: 10px 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.16);
}

.api-key-route-queue-tip-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted-foreground);
  margin-bottom: 8px;
}

.api-key-route-queue-tip-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.api-key-route-queue-tip-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 2px;
  font-size: 13px;
  min-width: 0;
}

.api-key-route-queue-tip-item.is-primary .api-key-route-queue-tip-name {
  font-weight: 600;
}

.api-key-route-queue-tip-order {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--muted-foreground);
  background: var(--muted);
}

.api-key-route-queue-tip-item.is-primary .api-key-route-queue-tip-order {
  color: #fff;
  background: var(--brand-blue);
}

.api-key-route-queue-tip-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.api-key-route-queue-tip-badge {
  flex-shrink: 0;
  font-size: 10px;
  font-weight: 600;
  color: var(--brand-blue);
  background: color-mix(in srgb, var(--brand-blue) 12%, transparent);
  border-radius: 999px;
  padding: 1px 6px;
}

.api-key-metrics {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 8px;
  font-size: 12px;
  color: var(--muted-foreground);
}

.api-key-subline .api-key-metrics {
  gap: 2px 6px;
}

.api-key-metric b {
  color: var(--foreground);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.api-key-tags-row {
  display: none; /* 标签已并入标题行 */
}

.api-key-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  align-items: center;
  min-height: 0;
}

.api-key-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  margin-top: auto;
}

.api-key-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
  flex-shrink: 0;
  margin-left: auto;
}

.api-key-more {
  position: relative;
}

.api-key-more-menu {
  position: absolute;
  right: 0;
  bottom: calc(100% + 6px);
  min-width: 148px;
  padding: 6px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.14);
  z-index: 40;
}

.api-key-more-item {
  display: block;
  width: 100%;
  text-align: left;
  border: none;
  background: transparent;
  color: var(--foreground);
  font-size: 13px;
  padding: 8px 10px;
  border-radius: 7px;
  cursor: pointer;
}

.api-key-more-item:hover {
  background: var(--muted);
}

.api-key-more-item.danger {
  color: #dc2626;
}

.api-key-more-divider {
  height: 1px;
  margin: 4px 6px;
  background: var(--border);
}

.key-tag-add-tag-btn {
  border-style: dashed !important;
  border-color: var(--border) !important;
  color: var(--muted-foreground) !important;
  cursor: pointer;
  padding: 2px 8px !important;
}

/* 兼容旧状态类（若其它处仍用） */
.api-key-status {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 9999px;
  font-weight: 600;
}

.api-key-status.active {
  background: #ecfdf5;
  color: #047857;
}

.api-key-status.expiring {
  background: #fffbeb;
  color: #b45309;
}

.api-key-status.expired {
  background: #fff1f2;
  color: #be123c;
}

.api-key-stats {
  display: none;
}

/* 中等屏仍保持两列；窄屏改单列 */
@media (max-width: 900px) {
  .api-keys-list,
  .api-key-group > .api-keys-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .api-key-footer {
    flex-wrap: wrap;
    justify-content: stretch;
  }

  .api-key-route-pill-wrap {
    flex: 1 1 100%;
    margin-right: 0;
  }

  .api-key-route-pill {
    width: 100%;
  }

  .api-key-actions {
    width: 100%;
  }

  .api-key-actions .btn {
    flex: 1;
  }
}

/* API Key 标签系统 */
.key-tag-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 8px 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.key-tag-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}

.key-tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 12px;
  border: 1.5px solid;
  cursor: pointer;
  user-select: none;
  background: var(--background);
  color: var(--foreground);
  transition: all 0.15s ease;
  line-height: 1.4;
}

.key-tag-chip:hover {
  opacity: 0.85;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.15);
}

.key-tag-chip.active {
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.35);
  font-weight: 500;
}

.key-tag-chip .remove-tag-def,
.key-tag-chip .edit-tag-def {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  opacity: 0.4;
  font-size: 11px;
  line-height: 1;
  transition: opacity 0.12s, background 0.12s;
  margin-left: 2px;
  cursor: pointer;
}

.key-tag-chip .edit-tag-def {
  font-size: 10px;
  opacity: 0.45;
}

.key-tag-chip .remove-tag-def:hover {
  opacity: 1;
  background: rgba(239, 68, 68, 0.2);
}

.key-tag-chip .edit-tag-def:hover {
  opacity: 1;
  background: rgba(59, 130, 246, 0.18);
}

.key-tag-chip.key-tag-add-btn {
  border-style: dashed;
  opacity: 0.6;
  background: transparent;
  font-weight: 500;
  font-size: 16px;
  padding: 4px 14px;
}

.key-tag-chip.key-tag-add-btn:hover {
  opacity: 1;
  background: rgba(59, 130, 246, 0.05);
}

.key-tag-add-tag-btn {
  border-style: dashed !important;
  border-color: var(--border) !important;
  color: var(--muted-foreground) !important;
  cursor: pointer !important;
  padding: 2px 8px;
}

.key-tag-add-tag-btn:hover {
  background: var(--muted);
  border-color: var(--primary) !important;
  color: var(--primary) !important;
}

.key-tag-chip-sm {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 8px;
  border-radius: 9999px;
  font-size: 11px;
  border: 1px solid;
  cursor: default;
  line-height: 1.3;
}

.key-tag-chip-sm .remove-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  cursor: pointer;
  opacity: 0.5;
  font-size: 10px;
  line-height: 1;
  transition: opacity 0.12s;
}

.key-tag-chip-sm .remove-tag:hover {
  opacity: 1;
  background: rgba(239, 68, 68, 0.25);
}

.api-key-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: 8px;
  min-height: 0;
}

.key-tag-popover {
  position: fixed;
  z-index: 200;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  padding: 14px;
  min-width: 240px;
}

.key-tag-popover-arrow {
  position: absolute;
  top: -6px;
  left: 40px;
  width: 12px;
  height: 12px;
  background: var(--card);
  border-left: 1px solid var(--border);
  border-top: 1px solid var(--border);
  transform: rotate(45deg);
}

.color-picker {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}

/* 颜色选择固定单行（标签创建等） */
.color-picker.color-picker-row,
.color-picker-row {
  flex-wrap: nowrap;
  flex-shrink: 0;
  white-space: nowrap;
}

.color-dot,
.provider-tag-color-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.12s ease;
  box-sizing: border-box;
  flex: 0 0 auto;
  display: inline-block;
}

.color-dot:hover {
  transform: scale(1.15);
}

/* ========== 供应商标签拖拽（对齐 Key 标签） ========== */
.provider-tag-bar {
  margin-bottom: 12px;
}

.provider-entity-tags {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
  min-height: 22px;
}

.provider-tag-empty {
  font-size: 11px;
  color: var(--muted-foreground);
}

.provider-tags-cell {
  min-width: 120px;
  max-width: 240px;
}

.provider-drop-target.provider-drag-over {
  outline: 2px solid var(--brand-blue, #3b82f6);
  outline-offset: -2px;
  background: rgba(59, 130, 246, 0.06) !important;
}

.admin-card.provider-drop-target.provider-drag-over {
  border-color: var(--brand-blue, #3b82f6);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

/* 拖拽标签时压缩列表，便于投放；标签保留在卡片头，折叠态也可见 */
.providers-compact-drag .admin-card-body,
.providers-compact-drag .admin-card-footer,
.providers-compact-drag .admin-card-subtitle,
.providers-compact-drag .provider-row-url,
.providers-compact-drag td:not(.provider-select-cell):not(:nth-child(2)):not(.provider-tags-cell) {
  display: none !important;
}

.providers-compact-drag .admin-card {
  padding: 10px 14px;
  margin-bottom: 6px;
}

.providers-compact-drag .admin-card-header {
  margin-bottom: 0;
}

.providers-compact-drag .admin-card-header-tags {
  display: flex !important;
  margin-top: 6px;
}

.providers-compact-drag .admin-card-header-tags .provider-tag-empty,
.providers-compact-drag .admin-card-header-tags .provider-tag-add-btn {
  display: none;
}

.providers-compact-drag table tbody tr {
  height: auto;
}

.providers-compact-drag table tbody tr.provider-drop-target::after {
  content: '拖放标签到此处';
  position: absolute;
  right: 12px;
  font-size: 12px;
  color: var(--muted-foreground);
  pointer-events: none;
}

.providers-compact-drag table tbody tr.provider-drop-target {
  position: relative;
}

.provider-row-name {
  font-weight: 500;
}

.provider-row-url {
  font-size: 11px;
  color: var(--muted-foreground);
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.provider-tag-assign-dropdown {
  position: fixed;
  z-index: 320;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  padding: 6px;
  min-width: 160px;
  max-height: 240px;
  overflow-y: auto;
}

.provider-tag-assign-empty {
  padding: 8px 12px;
  font-size: 12px;
  color: var(--muted-foreground);
}

.provider-tag-assign-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
}

.provider-tag-assign-item:hover,
.provider-tag-assign-item.is-on {
  background: var(--muted);
}

.provider-modal-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  background: var(--muted);
  color: var(--muted-foreground);
  border: 1px solid transparent;
}

.provider-modal-tag.is-on {
  background: color-mix(in srgb, var(--tag-color, #3b82f6) 16%, transparent);
  color: var(--tag-color, #3b82f6);
  border-color: var(--tag-color, #3b82f6);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--tag-color, #3b82f6) 33%, transparent);
}

.color-dot.selected {
  border-color: var(--foreground);
  box-shadow: 0 0 0 1px var(--background);
}

/* ============================================
   Quick Start
   ============================================ */
.quick-start {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
}

.quick-start-item {
  padding: 20px;
  background: var(--muted);
  border-radius: 16px;
}

.quick-start-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.quick-start-item p {
  font-size: 14px;
  color: var(--muted-foreground);
  line-height: 1.5;
}

/* ============================================
   Alert
   ============================================ */
.alert {
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  margin-bottom: 16px;
}

.alert-warning {
  background: rgba(245,158,11,0.1);
  border: 1px solid rgba(245,158,11,0.3);
  color: #b45309;
}

/* ============================================
   Error Message
   ============================================ */
.error-message {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.3);
  color: var(--destructive);
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 14px;
  margin-bottom: 16px;
  display: none;
}

.error-message.show {
  display: block;
}

/* ============================================
   Docs Table
   ============================================ */
.docs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.docs-table th,
.docs-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.docs-table th {
  font-weight: 600;
  color: var(--muted-foreground);
}

/* ============================================
   Theme Toggle
   ============================================ */
.theme-toggle {
  position: relative;
}

.theme-toggle .btn-icon,
#themeToggle,
#themeToggleMobile {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 9999px;
}

/* 图标互斥：默认隐藏，由 theme.js 按 light/dark/system 单独显示 */
.theme-toggle .btn-icon svg,
#themeToggle svg,
#themeToggleMobile svg {
  display: none;
  flex-shrink: 0;
}

/* ============================================
   Usage Overview
   ============================================ */
.usage-overview {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  padding: 20px;
  background: var(--muted);
  border-radius: 16px;
  border: 1px solid var(--border);
}

.usage-overview-item {
  display: flex;
  flex-direction: column;
  flex: 1;
  text-align: center;
}

.usage-overview-label {
  font-size: 12px;
  color: var(--muted-foreground);
  margin-bottom: 4px;
}

.usage-overview-value {
  font-size: 20px;
  font-weight: 600;
}

/* ============================================
   Dropdown
   ============================================ */
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 200px;
  background: var(--popover);
  color: var(--popover-foreground);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-dropdown);
  z-index: 1000;
  overflow: hidden;
  padding: 4px;
}

.dropdown-menu.active {
  display: block;
}

.dropdown-item {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 8px 12px;
  border: none;
  background: none;
  color: var(--foreground);
  font-size: 14px;
  cursor: pointer;
  border-radius: 8px;
  text-align: left;
  transition: background 0.1s;
}

.dropdown-item:hover {
  background: var(--accent);
}

.dropdown-item svg {
  margin-right: 8px;
  color: var(--muted-foreground);
  flex-shrink: 0;
}

/* ============================================
   Mobile Topbar
   ============================================ */
.mobile-topbar {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 56px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  z-index: 90;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
}

.mobile-topbar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--foreground);
  flex-shrink: 0;
}

.mobile-topbar-logo img {
  width: 24px;
  height: 24px;
  border-radius: 6px;
}

.mobile-topbar-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--foreground);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mobile-hamburger {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: none;
  background: transparent;
  color: var(--foreground);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s;
}

.mobile-hamburger:hover {
  background: var(--accent);
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 99;
}

/* ============================================
   Responsive Utility Classes
   ============================================ */
.responsive-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.responsive-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.responsive-flex-row {
  display: flex;
  gap: 24px;
  align-items: flex-end;
}

.responsive-flex-wrap {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.section-header-responsive {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  gap: 12px;
}

.section-header-responsive .section-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.stats-tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
  overflow-x: auto;
  scrollbar-width: none;
}

.stats-tab-bar::-webkit-scrollbar {
  display: none;
}

.stats-tab-bar button {
  padding: 10px 20px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--muted-foreground);
  cursor: pointer;
  font-size: 14px;
  white-space: nowrap;
  transition: all 0.15s;
}

.stats-tab-bar button.active {
  color: var(--foreground);
  border-bottom-color: #3b82f6;
}

.chart-card {
  background: var(--muted);
  border-radius: 12px;
  padding: 16px;
}

.chart-card h4 {
  margin: 0 0 12px;
  font-size: 14px;
}

.chart-container {
  height: 280px;
}

/* 多维分析 */
.multi-stats-intro {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
  padding: 22px 24px;
  border: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  border-radius: 18px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 13%, var(--card)), var(--card));
}
.multi-stats-intro h3 { margin: 4px 0 6px; font-size: 24px; }
.multi-stats-intro p { margin: 0; color: var(--muted-foreground); font-size: 13px; }
.multi-stats-kicker, .multi-stats-eyebrow { color: var(--primary); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.multi-stats-legend, .multi-stats-caption { color: var(--muted-foreground); font-size: 12px; white-space: nowrap; }
.multi-stats-dot { display: inline-block; width: 7px; height: 7px; margin-right: 6px; border-radius: 50%; background: var(--primary); }
.multi-stats-filters { display: grid; grid-template-columns: repeat(auto-fit, minmax(145px, 1fr)); align-items: end; gap: 10px; padding: 14px; margin-bottom: 18px; }
.multi-stats-filters label { display: flex; flex-direction: column; gap: 5px; color: var(--muted-foreground); font-size: 11px; font-weight: 600; }
.multi-stats-filters select { width: 100%; }
.multi-stats-filter-actions { display: flex; gap: 8px; align-items: end; height: 36px; }
.multi-stats-summary { margin-bottom: 18px; }
.multi-stats-summary .stats-overview-card { background: linear-gradient(135deg, #0f766e, #115e59) !important; }
.multi-stats-chart-row, .multi-stats-relation-grid { margin-bottom: 18px; }
.multi-stats-relation-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.multi-stats-main-chart { min-height: 365px; }
.multi-stats-card-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.multi-stats-card-heading h4 { margin: 3px 0 0; }
.multi-stats-table-card { overflow: hidden; }
.multi-stats-caveats { margin: 12px 0 0; color: var(--muted-foreground); font-size: 12px; }

@media (max-width: 640px) {
  .multi-stats-intro { padding: 18px; flex-direction: column; }
  .multi-stats-intro h3 { font-size: 21px; }
  .multi-stats-filter-actions { height: auto; }
  .multi-stats-filter-actions .btn { flex: 1; }
  .multi-stats-relation-grid { grid-template-columns: 1fr; }
  .multi-stats-main-chart { min-height: 300px; }
}

.today-yesterday-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.today-yesterday-card {
  background: var(--muted);
  border-radius: 12px;
  padding: 16px;
}

.today-yesterday-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.today-yesterday-header span {
  font-weight: 600;
  font-size: 14px;
}

.today-yesterday-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
}

.today-yesterday-metric-label {
  font-size: 12px;
  color: var(--muted-foreground);
}

.today-yesterday-metric-value {
  font-size: 18px;
  font-weight: 700;
}

.gradient-stat-card {
  border-radius: 12px;
  padding: 20px;
  color: white;
}

.gradient-stat-card .stat-label {
  font-size: 13px;
  opacity: 0.9;
  margin-bottom: 8px;
}

.gradient-stat-card .stat-value {
  font-size: 32px;
  font-weight: 700;
}

.gradient-stat-card .stat-sub {
  font-size: 12px;
  opacity: 0.8;
  margin-top: 4px;
}

/* ============================================
   Stats Filters
   ============================================ */
.stats-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
  padding: 16px;
  background: var(--muted);
  border-radius: 12px;
  align-items: flex-end;
}

.stats-filter-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 120px;
}

.stats-filter-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--muted-foreground);
}

.stats-filter-group .select {
  height: 36px;
}

/* ============================================
   Stats Overview Cards
   ============================================ */
.stats-overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.stats-overview-card {
  border-radius: 16px;
  padding: 20px;
  color: white;
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.stats-overview-icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stats-overview-content {
  flex: 1;
  min-width: 0;
}

.stats-overview-label {
  font-size: 13px;
  opacity: 0.9;
  display: block;
  margin-bottom: 4px;
}

.stats-overview-value {
  font-size: 28px;
  font-weight: 700;
  display: block;
  line-height: 1.2;
}

.stats-overview-sub {
  font-size: 12px;
  opacity: 0.8;
  display: block;
  margin-top: 4px;
}

/* ============================================
   Today/Yesterday Trends
   ============================================ */
.today-yesterday-trend {
  margin-top: 4px;
  font-size: 12px;
  font-weight: 600;
}

.trend-up {
  color: #10b981;
}

.trend-down {
  color: #ef4444;
}

.trend-neutral {
  color: var(--muted-foreground);
}

.trend-up-text {
  color: #10b981;
}

.trend-down-text {
  color: #ef4444;
}

/* ============================================
   Cache Hit Section
   ============================================ */
.cache-hit-section {
  margin-bottom: 24px;
  padding: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.cache-hit-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.cache-hit-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15px;
}

.cache-hit-percent {
  font-size: 24px;
  font-weight: 700;
  color: #10b981;
}

.cache-hit-bar-container {
  height: 10px;
  background: var(--border);
  border-radius: 5px;
  overflow: hidden;
  margin-bottom: 12px;
}

.cache-hit-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #10b981, #059669);
  border-radius: 5px;
  transition: width 0.6s ease;
}

.cache-hit-stats {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.cache-hit-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cache-hit-stat-label {
  font-size: 12px;
  color: var(--muted-foreground);
}

.cache-hit-stat-value {
  font-size: 14px;
  font-weight: 600;
  color: var(--foreground);
}

.cache-saved {
  color: #10b981;
}

/* ============================================
   Stats Tab Icons
   ============================================ */
.stats-tab-bar button {
  display: flex;
  align-items: center;
  gap: 6px;
}

.stats-tab-bar button svg {
  flex-shrink: 0;
}

/* ============================================
   Stats Overview Insights
   ============================================ */
.stats-overview-insights {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 16px;
}

.stats-insight-card {
  background: var(--muted);
  border-radius: 12px;
  padding: 16px;
}

.stats-insight-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-weight: 600;
  font-size: 14px;
}

.stats-insight-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stats-insight-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  background: var(--card);
  border-radius: 8px;
  font-size: 13px;
}

.stats-insight-rank {
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.stats-insight-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.stats-insight-value {
  font-weight: 600;
  color: var(--foreground);
  flex-shrink: 0;
}

.stats-insight-empty {
  text-align: center;
  padding: 20px;
  color: var(--muted-foreground);
  font-size: 13px;
}

/* ============================================
   Stats Table Sorting
   ============================================ */
.stats-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.stats-table th {
  padding: 8px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.stats-table td {
  padding: 8px;
  border-bottom: 1px solid var(--border);
}

.stats-table .sortable {
  cursor: pointer;
  user-select: none;
  position: relative;
  padding-right: 20px;
}

.stats-table .sortable:hover {
  background: var(--card);
}

.stats-table .sortable::after {
  content: '';
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-bottom: 4px solid var(--muted-foreground);
  opacity: 0.3;
}

.stats-table .sortable.sort-asc::after {
  border-bottom: 4px solid var(--primary);
  opacity: 1;
}

.stats-table .sortable.sort-desc::after {
  border-bottom: none;
  border-top: 4px solid var(--primary);
  opacity: 1;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1068px) {
  .content-header h1 {
    font-size: 20px;
  }
}

@media (max-width: 834px) {
  .sidebar {
    width: 70px;
  }

  .sidebar-header h2,
  .sidebar-header .badge,
  .nav-item span,
  .nav-section-title,
  .sidebar-footer .user-info span {
    display: none;
  }

  .sidebar-header {
    padding: 12px;
    justify-content: center;
  }

  .nav-item {
    justify-content: center;
    padding: 12px;
  }

  .nav-item svg,
  .nav-item .sf-icon {
    margin-right: 0;
  }

  .sidebar-footer {
    justify-content: center;
  }

  .main-content {
    margin-left: 70px;
    padding: 16px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stats-overview-grid {
    grid-template-columns: 1fr 1fr;
  }

  .stats-filters {
    flex-direction: column;
  }

  .stats-filter-group {
    width: 100%;
  }

  .models-grid {
    grid-template-columns: 1fr;
  }

  .responsive-grid-4 {
    grid-template-columns: 1fr 1fr;
  }

  .stats-overview-insights {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  /* Mobile topbar visible */
  .mobile-topbar {
    display: flex;
  }

  /* Sidebar becomes drawer */
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 260px;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    box-shadow: none;
  }

  .sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 24px rgba(0,0,0,0.2);
  }

  /* Restore sidebar text when drawer is open */
  .sidebar.open .sidebar-header h2,
  .sidebar.open .sidebar-header .badge,
  .sidebar.open .nav-item span,
  .sidebar.open .nav-section-title,
  .sidebar.open .sidebar-footer .user-info span {
    display: block;
  }

  .sidebar.open .sidebar-header {
    padding: 20px;
    justify-content: flex-start;
  }

  .sidebar.open .nav-item {
    justify-content: flex-start;
    padding: 8px 20px;
  }

  .sidebar.open .nav-item svg,
  .sidebar.open .nav-item .sf-icon {
    margin-right: 10px;
  }

  .sidebar.open .sidebar-footer {
    justify-content: space-between;
    padding: 12px 20px;
  }

  .sidebar.open .sidebar-footer .user-info {
    gap: 10px;
  }

  .sidebar-overlay.active {
    display: block;
  }

  /* Main content */
  .main-content {
    margin-left: 0;
    padding: 12px;
    padding-top: 68px;
  }

  .content-header {
    margin-bottom: 16px;
  }

  .content-header h1 {
    font-size: 18px;
  }

  /* Stats grid */
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stats-overview-grid {
    grid-template-columns: 1fr;
  }

  .stats-overview-card {
    padding: 16px;
  }

  .stats-overview-icon {
    width: 40px;
    height: 40px;
  }

  .stats-overview-value {
    font-size: 24px;
  }

  .cache-hit-stats {
    flex-direction: column;
    gap: 12px;
  }

  .stats-tab-bar {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .stats-tab-bar button {
    padding: 8px 12px;
    font-size: 13px;
  }

  .stats-tab-bar button svg {
    display: none;
  }

  /* Responsive utilities */
  .responsive-grid-2 {
    grid-template-columns: 1fr;
  }

  .responsive-grid-4 {
    grid-template-columns: 1fr;
  }

  .responsive-flex-row {
    flex-direction: column;
    align-items: stretch;
  }

  .chart-container {
    height: 200px;
  }

  .today-yesterday-grid {
    grid-template-columns: 1fr;
  }

  .today-yesterday-metrics {
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
  }

  .gradient-stat-card {
    padding: 16px;
  }

  .gradient-stat-card .stat-value {
    font-size: 24px;
  }

  /* Usage overview */
  .usage-overview {
    flex-direction: column;
    gap: 12px;
  }

  /* API key stats */
  .api-key-stats {
    grid-template-columns: 1fr 1fr 1fr;
  }

  /* Quick start */
  .quick-start {
    grid-template-columns: 1fr;
  }

  /* Balance amount */
  .balance-current .amount {
    font-size: 36px;
  }

  /* Section header */
  .section-header-responsive {
    flex-direction: column;
    align-items: flex-start;
  }

  .section-header-responsive .section-actions {
    width: 100%;
  }

  /* Content section */
  .content-section {
    padding: 16px;
  }

  /* Model filters */
  .model-filters {
    flex-direction: column;
  }

  .search-box {
    min-width: 0;
  }

  /* Limits grid */
  .limits-grid {
    grid-template-columns: 1fr;
  }

  /* Modal adjustments */
  .modal-content {
    padding: 0;
    border-radius: 16px;
    width: min(96vw, 560px);
  }

  .modal-header {
    padding: 16px 16px 10px;
  }

  .modal-body {
    padding: 4px 16px 12px;
  }

  .modal-footer {
    padding: 10px 16px 16px;
  }

  .modal-header h3 {
    font-size: 17px;
  }

  /* Table font size */
  .table {
    font-size: 13px;
  }

  .table th {
    font-size: 10px;
    padding: 0 10px;
  }

  .table td {
    padding: 10px;
  }
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page.active {
  animation: fadeIn 0.2s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-5px); }
  40%, 80% { transform: translateX(5px); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ============================================
   Hide Scrollbar Utility
   ============================================ */
.hide-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.hide-scrollbar::-webkit-scrollbar {
  display: none;
}

/* ============================================
   Custom Dialog (replaces native alert/confirm)
   ============================================ */
.dialog-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
  backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}

.dialog-overlay.dialog-open {
  opacity: 1;
  pointer-events: auto;
}

.dialog-panel {
  position: relative;
  width: min(92vw, 420px);
  max-height: min(90vh, 900px);
  overflow: hidden;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--background);
  padding: 0;
  box-shadow: var(--shadow-dialog);
  display: flex;
  flex-direction: column;
  gap: 0;
  transform: scale(0.95) translateY(8px);
  opacity: 0;
  transition: all 0.2s ease;
}

.dialog-panel.dialog-open {
  transform: scale(1) translateY(0);
  opacity: 1;
}

.dialog-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--foreground);
  line-height: 1.4;
  flex-shrink: 0;
  padding: 24px 48px 8px 28px;
  position: relative;
}

.dialog-panel > .modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
}

.dialog-content,
.dialog-message {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.dialog-content {
  padding: 8px 28px 8px;
  margin: 0 !important;
}

.dialog-message {
  padding: 0 28px 8px;
  font-size: 14px;
  color: var(--muted-foreground);
  line-height: 1.6;
  word-break: break-word;
}

.dialog-message strong {
  color: var(--foreground);
  font-weight: 600;
}

.dialog-actions {
  display: flex;
  flex-direction: column-reverse;
  gap: 8px;
  flex-shrink: 0;
  margin-top: 0;
  padding: 12px 28px 24px;
  border-top: 1px solid var(--border);
  background: var(--background);
}

@media (min-width: 640px) {
  .dialog-actions {
    flex-direction: row;
    justify-content: flex-end;
  }
}

.dialog-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 20px;
  border-radius: 13px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  outline: none;
  flex: 1;
  min-width: 0;
}

@media (min-width: 640px) {
  .dialog-btn {
    flex: none;
    min-width: 80px;
  }
}

.dialog-btn-primary {
  background: var(--primary);
  color: var(--primary-foreground);
  box-shadow: var(--shadow-button);
}

.dialog-btn-primary:hover {
  background: #2a323d;
}

.dark .dialog-btn-primary:hover {
  background: #2a2a2a;
}

.dialog-btn-danger {
  background: var(--destructive);
  color: #ffffff;
  box-shadow: 0 4px 10px rgba(239,68,68,0.25);
}

.dialog-btn-danger:hover {
  background: #dc2626;
}

.dialog-btn-cancel {
  background: var(--secondary);
  color: var(--secondary-foreground);
  box-shadow: none;
}

.dialog-btn-cancel:hover {
  background: #e8e8e8;
}

.dark .dialog-btn-cancel:hover {
  background: #333333;
}

/* ========== 向导式供应商添加 ========== */
.wizard-search {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--background);
  color: var(--foreground);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.wizard-search:focus {
  border-color: var(--ring);
}

.wizard-search::placeholder {
  color: var(--muted-foreground);
}

.wizard-provider-list {
  max-height: 320px;
  overflow-y: auto;
  margin-top: 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--background);
}

.wizard-provider-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  cursor: pointer;
  transition: background 0.15s;
  border-bottom: 1px solid var(--border);
}

.wizard-provider-item:last-child {
  border-bottom: none;
}

.wizard-provider-item:hover {
  background: var(--accent);
}

.wizard-provider-item.not-in-list {
  color: var(--muted-foreground);
  font-size: 14px;
  border-bottom: 1px solid var(--border);
}

.wizard-provider-item.not-in-list:hover {
  color: var(--foreground);
}

.wizard-provider-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--foreground);
  flex-shrink: 0;
}

.wizard-provider-info {
  flex: 1;
  min-width: 0;
}

.wizard-provider-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--foreground);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.wizard-provider-id {
  font-size: 12px;
  color: var(--muted-foreground);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.wizard-provider-badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 6px;
  background: var(--secondary);
  color: var(--muted-foreground);
  flex-shrink: 0;
}

.wizard-empty {
  padding: 24px;
  text-align: center;
  color: var(--muted-foreground);
  font-size: 14px;
}

.wizard-apikey-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--background);
  color: var(--foreground);
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
}

.wizard-apikey-input:focus {
  border-color: var(--ring);
}

.wizard-apikey-input::placeholder {
  color: var(--muted-foreground);
}

.wizard-back-btn {
  background: none;
  border: none;
  color: var(--muted-foreground);
  cursor: pointer;
  font-size: 14px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.wizard-back-btn:hover {
  color: var(--foreground);
}

/* ============================================
   CC-Switch Script Editor Controls
   ============================================ */

/* Toggle row */
.ccs-toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: 12px;
  transition: background 0.15s;
  cursor: pointer;
}
.ccs-toggle-row:hover {
  background: var(--accent);
}
.ccs-toggle-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--foreground);
  user-select: none;
}

/* Segmented control */
.ccs-segment {
  display: flex;
  background: var(--muted);
  border-radius: 12px;
  padding: 3px;
  gap: 2px;
}
.ccs-segment-item {
  flex: 1;
  text-align: center;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted-foreground);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  border: none;
  background: transparent;
}
.ccs-segment-item:hover {
  color: var(--foreground);
}
.ccs-segment-item.active {
  background: var(--card);
  color: var(--foreground);
  box-shadow: var(--shadow-input);
}

/* Custom range slider */
.ccs-slider-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}
.ccs-slider {
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: var(--muted);
  outline: none;
  transition: background 0.15s;
}
.ccs-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
  transition: transform 0.15s, box-shadow 0.15s;
}
.ccs-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}
.ccs-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  border: none;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}
.ccs-slider-value {
  min-width: 28px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--foreground);
  font-variant-numeric: tabular-nums;
}

/* Options grid */
.ccs-options-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
@media (max-width: 600px) {
  .ccs-options-grid {
    grid-template-columns: 1fr;
  }
}
.ccs-option-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.ccs-option-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

/* ============================================
   Admin Card View
   ============================================ */
.admin-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
}

.admin-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  transition: all 0.15s;
  display: flex;
  flex-direction: column;
}

.admin-card:hover {
  border-color: var(--brand-blue);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.admin-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
}

.admin-card-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 2px;
}

.admin-card-title {
  font-size: 15px;
  font-weight: 600;
  margin: 0;
  line-height: 1.3;
  min-width: 0;
  flex: 1;
}

.admin-card-header-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
  margin-top: 6px;
  min-height: 0;
}

.admin-card-header-tags .provider-entity-tags {
  max-width: 100%;
}

.admin-card-header-tags:not(.has-tags) .provider-tag-empty {
  display: none;
}

.admin-card-subtitle {
  font-size: 12px;
  color: var(--muted-foreground);
  font-family: "SF Mono", monospace;
  word-break: break-all;
}

.admin-card-body {
  flex: 1;
  font-size: 13px;
  color: var(--muted-foreground);
  margin-bottom: 12px;
}

.admin-card-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 0;
}

.admin-card-row-label {
  color: var(--muted-foreground);
  font-size: 12px;
}

.admin-card-row-value {
  font-size: 13px;
  font-weight: 500;
}

.admin-card-footer {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding-top: 10px;
  margin-top: auto;
}

.admin-card-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 6px;
  font-weight: 500;
}

.admin-card-badge.green {
  background: rgba(16,185,129,0.1);
  color: #10b981;
}

.admin-card-badge.red {
  background: rgba(239,68,68,0.1);
  color: var(--destructive);
}

.admin-card-badge.yellow {
  background: rgba(245,158,11,0.1);
  color: #f59e0b;
}

.admin-card-badge.blue {
  background: rgba(59,130,246,0.1);
  color: #3b82f6;
}

.admin-card-badge.gray {
  background: var(--muted);
  color: var(--muted-foreground);
}

.admin-card-ping {
  font-size: 12px;
  font-weight: 600;
  min-width: 60px;
  text-align: right;
}

/* ============================================
   Disabled Provider Overlay
   ============================================ */
.provider-disabled {
  position: relative;
}

.provider-disabled-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(128, 128, 128, 0.15);
  border-radius: 14px;
  z-index: 1;
  pointer-events: none;
}

.provider-disabled .model-library-provider-header {
  opacity: 0.6;
}

.model-disabled {
  opacity: 0.5;
  pointer-events: none;
  cursor: not-allowed;
}