/* ==========================================================================
   9ROUTER-GRADE DESIGN SYSTEM FOR ANTIGRAVITY BRIDGE
   Aesthetic: Dark Modern SaaS / Enterprise Router Console
   Fully Responsive (Mobile, Tablet, Desktop)
   ========================================================================== */

:root {
  color-scheme: dark;

  /* Color Palette - 9Router Clean Obsidian Tone */
  --bg-app: #090a0f;
  --bg-rail: #0d0e15;
  --bg-surface: #12141d;
  --bg-surface-elevated: #181b26;
  --bg-surface-hover: #1f2332;
  --bg-subtle: rgba(255, 255, 255, 0.03);
  --bg-subtle-hover: rgba(255, 255, 255, 0.06);

  /* Borders & Dividers */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --border-focus: #3b82f6;

  /* Typography Colors */
  --text-main: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --text-dim: #4b5563;

  /* Accents & Statuses */
  --accent: #3b82f6;
  --accent-glow: rgba(59, 130, 246, 0.25);
  --cyan: #06b6d4;
  --emerald: #10b981;
  --emerald-bg: rgba(16, 185, 129, 0.12);
  --emerald-border: rgba(16, 185, 129, 0.3);
  --amber: #f59e0b;
  --amber-bg: rgba(245, 158, 11, 0.12);
  --amber-border: rgba(245, 158, 11, 0.3);
  --rose: #ef4444;
  --rose-bg: rgba(239, 68, 68, 0.12);
  --rose-border: rgba(239, 68, 68, 0.3);
  --purple: #8b5cf6;

  /* Typography & Sizing */
  --font-sans: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", "SF Mono", "Consolas", monospace;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-full: 9999px;

  /* Shadows & Glassmorphism */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.6);
  --shadow-card: 0 0 0 1px var(--border-subtle), 0 4px 20px rgba(0, 0, 0, 0.35);
  --glass-bg: rgba(18, 20, 29, 0.85);
  --glass-blur: blur(16px);
}

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

html, body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

html {
  background-color: var(--bg-app);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  background-color: var(--bg-app);
  background-image: 
    radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.05) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(6, 182, 212, 0.04) 0px, transparent 40%),
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 32px 32px, 32px 32px;
  background-attachment: fixed;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  top: -100px;
  left: 1rem;
  z-index: 999;
  padding: 0.6rem 1.2rem;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: top 0.2s;
}
.skip-link:focus {
  top: 1rem;
}

/* App Shell Layout */
.app-shell {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  min-height: 100vh;
  width: 100%;
  max-width: 100%;
}

/* Sidebar (Rail) */
.rail {
  position: sticky;
  top: 0;
  height: 100vh;
  background: var(--bg-rail);
  border-right: 1px solid var(--border-subtle);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  z-index: 20;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-main);
  padding: 6px 8px;
  border-radius: var(--radius-md);
  transition: background 0.15s;
}
.brand:hover {
  background: var(--bg-subtle);
}

.brand-mark {
  width: 36px;
  height: 36px;
  min-width: 36px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #1e293b, #0f172a);
  border: 1px solid rgba(59, 130, 246, 0.4);
  color: #60a5fa;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 13px;
  border-radius: var(--radius-md);
  box-shadow: 0 0 16px rgba(59, 130, 246, 0.15);
}

.brand strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.brand small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  font-weight: 500;
}

.primary-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 32px;
}

.primary-nav button {
  appearance: none;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: all 0.15s ease;
  text-align: left;
  width: 100%;
  white-space: nowrap;
}

.primary-nav button span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-dim);
  transition: color 0.15s;
}

.primary-nav button:hover {
  background: var(--bg-subtle-hover);
  color: var(--text-main);
  border-color: rgba(255, 255, 255, 0.04);
}
.primary-nav button:hover span {
  color: var(--text-secondary);
}

.primary-nav button[aria-current="page"] {
  background: rgba(59, 130, 246, 0.1);
  color: #93c5fd;
  border-color: rgba(59, 130, 246, 0.25);
  font-weight: 600;
  box-shadow: 0 0 12px rgba(59, 130, 246, 0.1);
}
.primary-nav button[aria-current="page"] span {
  color: #60a5fa;
}

.rail-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  padding-top: 16px;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 10px;
}

.signal {
  display: inline-block;
  width: 8px;
  height: 8px;
  min-width: 8px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.7);
  animation: pulse-signal 2.5s infinite;
}

@keyframes pulse-signal {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.7; }
}

/* Workspace / Main Area */
.workspace {
  min-width: 0;
  width: 100%;
  max-width: 100%;
  display: flex;
  flex-direction: column;
}

/* Status Header Strip */
.status-strip {
  min-height: 60px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  padding: 10px 24px;
  gap: 16px 24px;
  position: sticky;
  top: 0;
  z-index: 15;
  width: 100%;
}

.status-strip > div {
  min-width: auto;
}

.eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 2px;
}

.status-strip strong {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-main);
  white-space: nowrap;
}

#bridge-state {
  color: var(--emerald);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
#bridge-state::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: 0 0 8px rgba(16, 185, 129, 0.8);
}

/* Buttons */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 8px 14px;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

.button:hover {
  background: var(--bg-surface-hover);
  border-color: var(--border-strong);
}

.button:active {
  transform: translateY(1px);
}

.button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.button.primary {
  background: linear-gradient(180deg, #2563eb, #1d4ed8);
  border-color: rgba(59, 130, 246, 0.6);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 0 12px rgba(37, 99, 235, 0.25);
}
.button.primary:hover {
  background: linear-gradient(180deg, #3b82f6, #2563eb);
  border-color: #60a5fa;
}

.button.secondary {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.12);
}
.button.secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.button.danger {
  background: var(--rose-bg);
  border-color: var(--rose-border);
  color: #fca5a5;
}
.button.danger:hover {
  background: rgba(239, 68, 68, 0.2);
  border-color: var(--rose);
  color: #fff;
}

.button.ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-secondary);
}
.button.ghost:hover {
  background: var(--bg-subtle-hover);
  color: var(--text-main);
}

.button.compact {
  padding: 5px 10px;
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
}

.button.small {
  padding: 4px 8px;
  font-size: 0.72rem;
}

#logout {
  margin-left: auto;
}

/* Main Content Area */
main#content {
  padding: 24px 24px 60px;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

/* Page Heading */
.page-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.kicker {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: #60a5fa;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.page-heading h1 {
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
  line-height: 1.2;
}

.page-heading > p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  max-width: 420px;
}

/* Alerts / Notice */
.notice {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-left: 4px solid var(--accent);
}
.notice.success {
  background: var(--emerald-bg);
  border-color: var(--emerald-border);
  border-left-color: var(--emerald);
  color: #6ee7b7;
}
.notice.error {
  background: var(--rose-bg);
  border-color: var(--rose-border);
  border-left-color: var(--rose);
  color: #fca5a5;
}

/* Loading & Empty States */
.loading {
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}
.loading::before {
  content: "";
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.empty {
  padding: 36px 20px;
  text-align: center;
  background: var(--bg-surface);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
}
.empty h2 {
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}
.empty p {
  font-size: 0.82rem;
}

/* Metrics Dashboard Grid */
.grid {
  display: grid;
  gap: 16px;
  width: 100%;
}
.metrics {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  margin-bottom: 20px;
}

.metric {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--shadow-card);
  transition: transform 0.15s, border-color 0.15s;
}
.metric:hover {
  border-color: var(--border-strong);
}

.metric-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.metric-value {
  font-family: var(--font-mono);
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.02em;
}
.metric-value.cyan { color: #38bdf8; }
.metric-value.emerald { color: #34d399; }
.metric-value.amber { color: #fbbf24; }
.metric-value.rose { color: #f87171; }

.metric-detail {
  font-size: 0.74rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Panels */
.panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
  margin-bottom: 20px;
  width: 100%;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
  flex-wrap: wrap;
}

.panel-header h2, .panel h2 {
  font-size: 1.05rem;
  font-weight: 600;
  color: #fff;
  letter-spacing: -0.01em;
}

.panel-header p {
  color: var(--text-secondary);
  font-size: 0.8rem;
  margin-top: 2px;
}

.split {
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.9fr);
}

/* Data List (Key-Value) */
.data-list {
  display: flex;
  flex-direction: column;
}

.data-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.85rem;
  align-items: baseline;
}
.data-row:last-child {
  border-bottom: none;
}

.data-row dt {
  color: var(--text-muted);
  font-weight: 500;
}
.data-row dd {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-main);
  word-break: break-all;
}

/* Badges & Status Pills */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--bg-subtle);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}
.badge.success {
  background: var(--emerald-bg);
  border-color: var(--emerald-border);
  color: #34d399;
}
.badge.warning {
  background: var(--amber-bg);
  border-color: var(--amber-border);
  color: #fbbf24;
}
.badge.error {
  background: var(--rose-bg);
  border-color: var(--rose-border);
  color: #f87171;
}

/* Callout Box */
.callout {
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 20px;
}
.callout h2 {
  color: #fbbf24;
  font-size: 0.95rem;
  margin-bottom: 4px;
}
.callout p {
  color: #fde68a;
  font-size: 0.82rem;
  line-height: 1.5;
}

/* Toolbar & Filters */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px;
  margin-bottom: 18px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  width: 100%;
}

.field label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.field small {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.field-error {
  font-size: 0.72rem;
  color: #f87171;
}

input[type="text"],
input[type="number"],
input[type="password"],
input[type="url"],
select,
textarea {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  padding: 8px 12px;
  font-size: 0.85rem;
  transition: all 0.15s;
  width: 100%;
}

input:hover, select:hover, textarea:hover {
  border-color: var(--border-strong);
}

input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  background: var(--bg-surface-hover);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* Table Styles (Requests / Models / Quotas) */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.82rem;
}

th {
  background: var(--bg-surface-elevated);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  color: var(--text-main);
}

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

tr:hover td {
  background: var(--bg-subtle-hover);
}

td code, .mono {
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

/* ==========================================================================
   QUOTA & ACCOUNT CARDS (9Router Look & Feel)
   ========================================================================== */
.quota-controls-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 18px;
  padding: 10px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.filter-btn-group, .view-mode-group {
  display: inline-flex;
  gap: 2px;
  background: var(--bg-surface-elevated);
  padding: 3px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.filter-btn, .view-btn {
  background: transparent;
  border: none;
  border-radius: 4px;
  padding: 4px 10px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.filter-btn:hover, .view-btn:hover {
  color: var(--text-main);
}

.filter-btn.active, .view-btn.active {
  background: rgba(59, 130, 246, 0.2);
  color: #93c5fd;
  font-weight: 600;
}

.accounts-grid, .quota-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  width: 100%;
}

.account-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 0.15s, transform 0.15s;
  width: 100%;
}
.account-card:hover {
  border-color: var(--border-strong);
}

.account-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.account-info h3 {
  font-size: 0.98rem;
  font-weight: 600;
  color: #fff;
}
.account-meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Account Stat Grid */
.account-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  background: var(--bg-surface-elevated);
  padding: 8px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.stat-tile {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1px;
}

.stat-tile-label {
  font-size: 0.62rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.stat-tile-value {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
}
.stat-tile-value.cyan { color: #38bdf8; }
.stat-tile-value.red { color: #f87171; }
.stat-tile-value.amber { color: #fbbf24; }

/* Progress Section */
.progress-section {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.progress-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.72rem;
}
.progress-title {
  color: var(--text-secondary);
  font-weight: 500;
}
.progress-percentage {
  font-family: var(--font-mono);
  font-weight: 700;
}
.progress-percentage.cyan { color: #38bdf8; }
.progress-percentage.amber { color: #fbbf24; }
.progress-percentage.red { color: #f87171; }

.progress-track {
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
}
.progress-fill.cyan { background: linear-gradient(90deg, #0284c7, #38bdf8); }
.progress-fill.amber { background: linear-gradient(90deg, #d97706, #fbbf24); }
.progress-fill.red { background: linear-gradient(90deg, #dc2626, #f87171); }
.progress-fill.muted { background: var(--text-dim); }

.progress-subtitle {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Model Quota Mini-List inside Account Card */
.model-quota-list {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 200px;
  overflow-y: auto;
}

.model-quota-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.7rem;
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 4px;
}

.model-quota-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.74rem;
}

.model-quota-left {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.model-name-label {
  font-family: var(--font-mono);
  font-weight: 500;
  color: var(--text-main);
}
.model-reset-label {
  font-size: 0.62rem;
  color: var(--text-muted);
}

.model-quota-right {
  font-family: var(--font-mono);
  font-weight: 600;
  color: #38bdf8;
}

/* Forms (Settings & Model Tester) */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 18px;
}

.check {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-main);
  margin-bottom: 18px;
}
.check input {
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* Dialog & Modals */
.dialog-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  display: grid;
  place-items: center;
  z-index: 100;
  padding: 16px;
}

.dialog {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  width: 100%;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.dialog h2 {
  font-size: 1.15rem;
  font-weight: 600;
  color: #fff;
}

.dialog p {
  color: var(--text-secondary);
  font-size: 0.85rem;
  line-height: 1.5;
}

.dialog ol {
  padding-left: 18px;
  color: var(--text-secondary);
  font-size: 0.82rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 8px;
}

/* Login Page Styling */
.login-page {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 16px;
}

.login-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 380px);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  max-width: 880px;
  width: 100%;
}

.login-intro {
  padding: 40px;
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.4), rgba(15, 23, 42, 0.8));
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.login-intro h1 {
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 14px 0;
  line-height: 1.2;
}

.login-intro p {
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.6;
}

.login-panel {
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
}

.login-panel h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: #fff;
  margin: 2px 0 4px;
}

.login-panel p {
  color: var(--text-muted);
  font-size: 0.82rem;
}

.password-control {
  display: flex;
  position: relative;
}

.password-control input {
  width: 100%;
  padding-right: 56px;
}

.password-control button {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 6px;
}
.password-control button:hover {
  color: var(--text-main);
}

.form-message {
  font-size: 0.8rem;
  color: #f87171;
  min-height: 16px;
}

/* ==========================================================================
   MOBILE & RESPONSIVE LAYOUT (SMARTPHONES & TABLETS)
   ========================================================================== */
@media (max-width: 900px) {
  .app-shell {
    display: flex;
    flex-direction: column;
    width: 100%;
    min-height: 100vh;
  }

  .rail {
    position: static;
    height: auto;
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
    padding: 14px 16px;
    background: var(--bg-rail);
  }

  .brand {
    padding: 2px 4px;
  }

  .primary-nav {
    display: flex;
    flex-direction: row;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 6px;
    margin-top: 12px;
    padding-bottom: 4px;
    scrollbar-width: none;
  }
  .primary-nav::-webkit-scrollbar {
    display: none;
  }

  .primary-nav button {
    width: auto;
    padding: 6px 12px;
    font-size: 0.82rem;
    flex-shrink: 0;
  }

  .rail-footer {
    display: none;
  }

  .status-strip {
    position: static;
    padding: 12px 16px;
    gap: 12px 16px;
    height: auto;
  }

  #logout {
    margin-left: 0;
  }

  main#content {
    padding: 16px 16px 40px;
  }

  .page-heading {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin-bottom: 16px;
  }
  .page-heading > p {
    text-align: left;
    max-width: 100%;
  }

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

  .data-row {
    grid-template-columns: 110px 1fr;
    gap: 8px;
  }

  .quota-controls-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .filter-btn-group, .view-mode-group {
    width: 100%;
    display: flex;
  }
  .filter-btn, .view-btn {
    flex: 1;
    text-align: center;
  }

  .login-shell {
    grid-template-columns: 1fr;
  }
  .login-intro {
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
    padding: 24px;
  }
  .login-panel {
    padding: 24px;
  }
}

@media(max-width:600px) {
  .quota-grid, .accounts-grid, .metrics {
    grid-template-columns: 1fr;
  }

  .account-stat-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .data-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .data-row dt {
    font-size: 0.72rem;
  }

  .status-strip {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
  .status-strip button {
    grid-column: span 1;
  }
}