/* ═══════════════════════════════════════════════════════════════════════════
   free-coding-models — Web Dashboard Styles V2
   Premium glassmorphism dark-mode design with sidebar, settings, analytics
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── CSS Custom Properties (Design Tokens) ─── */
:root {
  /* Palette */
  --color-bg:           #0a0a0f;
  --color-bg-elevated:  #12121a;
  --color-bg-card:      rgba(18, 18, 30, 0.7);
  --color-bg-hover:     rgba(30, 30, 50, 0.8);
  --color-bg-active:    rgba(40, 40, 65, 0.9);
  --color-surface:      #1a1a2e;
  --color-border:       rgba(255, 255, 255, 0.06);
  --color-border-hover: rgba(255, 255, 255, 0.12);

  --color-text:         #e8e8f0;
  --color-text-muted:   #8888a8;
  --color-text-dim:     #555570;

  --color-accent:       #76b900;
  --color-accent-hover: #8ad100;
  --color-accent-glow:  rgba(118, 185, 0, 0.25);
  --color-accent-dim:   rgba(118, 185, 0, 0.08);

  --color-danger:       #ff4444;
  --color-danger-dim:   rgba(255, 68, 68, 0.1);
  --color-warning:      #ffaa00;
  --color-warning-dim:  rgba(255, 170, 0, 0.1);
  --color-success:      #00ff88;
  --color-success-dim:  rgba(0, 255, 136, 0.1);
  --color-info:         #06b6d4;
  --color-info-dim:     rgba(6, 182, 212, 0.1);

  /* Tier colors */
  --tier-splus:  #ffd700;
  --tier-s:      #ff8c00;
  --tier-aplus:  #00c8ff;
  --tier-a:      #3ddc84;
  --tier-aminus: #7ecf7e;
  --tier-bplus:  #a8a8c8;
  --tier-b:      #808098;
  --tier-c:      #606078;

  /* Verdict colors */
  --verdict-perfect:    #00ff88;
  --verdict-normal:     #76b900;
  --verdict-slow:       #ffaa00;
  --verdict-spiky:      #ff6600;
  --verdict-veryslow:   #ff4444;
  --verdict-overloaded: #ff2222;
  --verdict-unstable:   #cc0000;
  --verdict-notactive:  #555570;
  --verdict-pending:    #444460;

  /* Typography */
  --font-sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:  'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  /* Sizing */
  --header-h: 60px;
  --sidebar-w: 64px;
  --sidebar-w-expanded: 200px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.3);
  --shadow-md:   0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg:   0 8px 32px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 30px var(--color-accent-glow);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 150ms var(--ease-out);
  --transition-medium: 250ms var(--ease-out);
  --transition-slow: 400ms var(--ease-out);
}

/* ─── Light Theme ─── */
[data-theme="light"] {
  --color-bg:           #f5f5fa;
  --color-bg-elevated:  #ffffff;
  --color-bg-card:      rgba(255, 255, 255, 0.85);
  --color-bg-hover:     rgba(240, 240, 248, 0.9);
  --color-bg-active:    rgba(230, 230, 242, 0.95);
  --color-surface:      #eeeef4;
  --color-border:       rgba(0, 0, 0, 0.08);
  --color-border-hover: rgba(0, 0, 0, 0.15);
  --color-text:         #1a1a2e;
  --color-text-muted:   #666688;
  --color-text-dim:     #9999aa;
  --color-accent-glow:  rgba(118, 185, 0, 0.15);
  --color-accent-dim:   rgba(118, 185, 0, 0.05);
  --color-danger-dim:   rgba(255, 68, 68, 0.08);
  --color-warning-dim:  rgba(255, 170, 0, 0.08);
  --color-success-dim:  rgba(0, 255, 136, 0.08);
  --color-info-dim:     rgba(6, 182, 212, 0.08);
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:   0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg:   0 8px 32px rgba(0,0,0,0.12);
}

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

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

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  display: flex;
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { color: var(--color-accent-hover); }
code { font-family: var(--font-mono); font-size: 12px; background: var(--color-surface); padding: 2px 6px; border-radius: 4px; }

/* ─── Background Effects ─── */
.bg-grid {
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: 60px 60px;
}

.bg-glow {
  position: fixed; z-index: 0; pointer-events: none;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.3;
  animation: float 20s ease-in-out infinite;
}
.bg-glow--1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
  top: -200px; left: -200px;
}
.bg-glow--2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, #6366f1 0%, transparent 70%);
  top: 50%; right: -150px; animation-delay: -7s;
}
.bg-glow--3 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #06b6d4 0%, transparent 70%);
  bottom: -200px; left: 30%; animation-delay: -14s;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

[data-theme="light"] .bg-glow { opacity: 0.12; }
[data-theme="light"] .bg-grid { background-image:
  linear-gradient(rgba(0,0,0,0.04) 1px, transparent 1px),
  linear-gradient(90deg, rgba(0,0,0,0.04) 1px, transparent 1px);
}

/* ═══════ SIDEBAR ═══════ */
.sidebar {
  position: fixed; left: 0; top: 0; bottom: 0;
  width: var(--sidebar-w); z-index: 200;
  background: var(--color-bg-elevated);
  border-right: 1px solid var(--color-border);
  display: flex; flex-direction: column;
  padding: 12px 0;
  transition: width var(--transition-medium);
  overflow: hidden;
}
.sidebar:hover { width: var(--sidebar-w-expanded); }

.sidebar__logo {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 18px; margin-bottom: 16px;
  white-space: nowrap; overflow: hidden;
}
.sidebar__logo-icon { font-size: 24px; flex-shrink: 0; }
.sidebar__logo-text {
  font-size: 16px; font-weight: 800;
  background: linear-gradient(135deg, var(--color-accent), #06b6d4);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; opacity: 0;
  transition: opacity var(--transition-medium);
}
.sidebar:hover .sidebar__logo-text { opacity: 1; }

.sidebar__nav { flex: 1; display: flex; flex-direction: column; gap: 4px; }
.sidebar__bottom { display: flex; flex-direction: column; gap: 4px; }

.sidebar__nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 20px; border: none; background: none;
  color: var(--color-text-muted); cursor: pointer;
  white-space: nowrap; overflow: hidden;
  border-radius: 0; transition: all var(--transition-fast);
  font-family: var(--font-sans); font-size: 13px; font-weight: 500;
}
.sidebar__nav-item:hover {
  color: var(--color-text);
  background: var(--color-bg-hover);
}
.sidebar__nav-item--active {
  color: var(--color-accent) !important;
  background: var(--color-accent-dim) !important;
  border-right: 3px solid var(--color-accent);
}
.sidebar__nav-item svg { flex-shrink: 0; }
.sidebar__nav-label {
  opacity: 0; transition: opacity var(--transition-medium);
}
.sidebar:hover .sidebar__nav-label { opacity: 1; }

/* ═══════ APP CONTENT ═══════ */
.app-content {
  flex: 1; margin-left: var(--sidebar-w);
  position: relative; z-index: 1;
  min-height: 100vh;
  display: flex; flex-direction: column;
  transition: margin-left var(--transition-medium);
}

/* Views */
.view { display: flex; flex-direction: column; flex: 1; }
.view--hidden { display: none !important; }

/* ─── Header ─── */
.header {
  position: sticky; top: 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; gap: 20px;
  background: var(--color-bg-card);
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  border-bottom: 1px solid var(--color-border);
}

.header__left { display: flex; align-items: center; gap: 12px; }
.header__center { flex: 1; max-width: 480px; }
.header__right { display: flex; align-items: center; gap: 10px; }
.sidebar-toggle { display: none; }

.logo { display: flex; align-items: center; gap: 8px; }
.logo__icon { font-size: 22px; }
.logo__text {
  font-size: 16px; font-weight: 700;
  background: linear-gradient(135deg, var(--color-accent), #06b6d4);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header__version {
  font-size: 11px; font-weight: 500; font-family: var(--font-mono);
  color: var(--color-text-dim);
  background: var(--color-accent-dim);
  padding: 2px 8px; border-radius: 999px;
  border: 1px solid var(--color-border);
}

/* Search Bar */
.search-bar {
  display: flex; align-items: center; gap: 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0 12px; height: 36px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.search-bar:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px var(--color-accent-glow);
}
.search-bar__icon { color: var(--color-text-dim); flex-shrink: 0; }
.search-bar__input {
  flex: 1; background: none; border: none; outline: none;
  color: var(--color-text); font-size: 13px; font-family: var(--font-sans);
}
.search-bar__input::placeholder { color: var(--color-text-dim); }
.search-bar__kbd {
  font-size: 10px; font-family: var(--font-mono);
  color: var(--color-text-dim);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 2px 6px; border-radius: 4px; flex-shrink: 0;
}

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  padding: 6px 14px; font-size: 13px; font-weight: 500;
  cursor: pointer; background: var(--color-surface); color: var(--color-text);
  transition: all var(--transition-fast);
  font-family: var(--font-sans);
}
.btn:hover { background: var(--color-bg-hover); border-color: var(--color-border-hover); }
.btn--icon { padding: 6px 8px; }
.btn--primary { background: var(--color-accent); color: #000; border-color: var(--color-accent); font-weight: 600; }
.btn--primary:hover { background: var(--color-accent-hover); }
.btn--danger { background: var(--color-danger-dim); color: var(--color-danger); border-color: rgba(255,68,68,0.2); }
.btn--danger:hover { background: rgba(255,68,68,0.2); }
.btn--sm { padding: 4px 10px; font-size: 12px; }
.btn--success { background: var(--color-success-dim); color: var(--color-success); border-color: rgba(0,255,136,0.2); }

/* ─── Toast Notifications ─── */
.toast-container {
  position: fixed; top: 20px; right: 20px; z-index: 10000;
  display: flex; flex-direction: column; gap: 8px;
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  display: flex; align-items: center; gap: 10px;
  padding: 12px 18px; border-radius: var(--radius-md);
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  font-size: 13px; font-weight: 500;
  animation: toastIn 300ms var(--ease-out);
  min-width: 280px; max-width: 420px;
}
.toast--success { border-left: 4px solid var(--color-success); }
.toast--error { border-left: 4px solid var(--color-danger); }
.toast--warning { border-left: 4px solid var(--color-warning); }
.toast--info { border-left: 4px solid var(--color-info); }
.toast__icon { font-size: 18px; flex-shrink: 0; }
.toast__message { flex: 1; }
.toast__close {
  background: none; border: none; color: var(--color-text-dim);
  cursor: pointer; font-size: 16px; padding: 0; line-height: 1;
}
.toast--exiting { animation: toastOut 300ms var(--ease-out) forwards; }

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

/* ─── Stats Bar ─── */
.stats-bar {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px;
  padding: 20px 24px 0;
}

.stat-card {
  display: flex; align-items: center; gap: 12px;
  background: var(--color-bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  transition: all var(--transition-medium);
}
.stat-card:hover {
  border-color: var(--color-border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.stat-card__icon { font-size: 28px; }
.stat-card__value {
  font-size: 22px; font-weight: 800;
  font-family: var(--font-mono); line-height: 1;
}
.stat-card__label {
  font-size: 11px; color: var(--color-text-muted);
  text-transform: uppercase; letter-spacing: 0.5px; font-weight: 500;
  margin-top: 2px;
}

/* ─── Filters ─── */
.filters {
  position: relative; z-index: 1;
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  padding: 16px 24px;
}
.filters__group { display: flex; align-items: center; gap: 8px; }
.filters__spacer { flex: 1; }
.filter-label {
  font-size: 11px; font-weight: 600; color: var(--color-text-muted);
  text-transform: uppercase; letter-spacing: 0.5px;
}

.tier-btn, .status-btn {
  font-size: 12px; font-weight: 600; font-family: var(--font-mono);
  padding: 4px 10px; border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-text-muted);
  cursor: pointer; transition: all var(--transition-fast);
}
.tier-btn:hover, .status-btn:hover {
  background: var(--color-bg-hover); color: var(--color-text);
  border-color: var(--color-border-hover);
}
.tier-btn--active, .status-btn--active {
  background: var(--color-accent) !important; color: #000 !important;
  border-color: var(--color-accent) !important; font-weight: 700;
}

.provider-select {
  background: var(--color-surface); color: var(--color-text);
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  padding: 5px 10px; font-size: 12px; font-family: var(--font-sans);
  cursor: pointer; outline: none;
}
.provider-select:focus { border-color: var(--color-accent); }

/* Live Indicator */
.live-indicator {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 700; color: var(--color-accent);
  text-transform: uppercase; letter-spacing: 1px;
}
.live-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-accent);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 var(--color-accent-glow); }
  50% { box-shadow: 0 0 0 6px transparent; }
}

/* ─── Main Table ─── */
.main {
  position: relative; z-index: 1;
  padding: 0 24px 24px; flex: 1;
}

.table-container {
  background: var(--color-bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.models-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.models-table thead { position: sticky; top: 0; z-index: 10; }

.models-table th {
  padding: 12px 14px;
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.8px;
  color: var(--color-text-muted); text-align: left;
  background: var(--color-bg-elevated);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap; user-select: none;
}
.models-table th.sortable { cursor: pointer; }
.models-table th.sortable:hover { color: var(--color-accent); }
.models-table th.sort-active { color: var(--color-accent); }

.models-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
  transition: background var(--transition-fast);
}

.models-table tbody tr {
  cursor: pointer; transition: background var(--transition-fast);
}
.models-table tbody tr:hover { background: var(--color-bg-hover); }
.models-table tbody tr:active { background: var(--color-bg-active); }

/* Medal rows */
.models-table tbody tr.rank-1 td:first-child { border-left: 3px solid #ffd700; }
.models-table tbody tr.rank-2 td:first-child { border-left: 3px solid #c0c0c0; }
.models-table tbody tr.rank-3 td:first-child { border-left: 3px solid #cd7f32; }

.th--rank { width: 50px; text-align: center; }
.td--rank { text-align: center; font-family: var(--font-mono); font-weight: 600; color: var(--color-text-dim); }

/* Tier badges */
.tier-badge {
  display: inline-block;
  font-family: var(--font-mono); font-weight: 700; font-size: 11px;
  padding: 2px 8px; border-radius: 4px;
  text-align: center; min-width: 32px;
}
.tier-badge--splus { background: rgba(255,215,0,0.15); color: var(--tier-splus); border: 1px solid rgba(255,215,0,0.3); }
.tier-badge--s     { background: rgba(255,140,0,0.12); color: var(--tier-s); border: 1px solid rgba(255,140,0,0.25); }
.tier-badge--aplus { background: rgba(0,200,255,0.1); color: var(--tier-aplus); border: 1px solid rgba(0,200,255,0.2); }
.tier-badge--a     { background: rgba(61,220,132,0.1); color: var(--tier-a); border: 1px solid rgba(61,220,132,0.2); }
.tier-badge--aminus{ background: rgba(126,207,126,0.1); color: var(--tier-aminus); border: 1px solid rgba(126,207,126,0.2); }
.tier-badge--bplus { background: rgba(168,168,200,0.1); color: var(--tier-bplus); border: 1px solid rgba(168,168,200,0.15); }
.tier-badge--b     { background: rgba(128,128,152,0.1); color: var(--tier-b); border: 1px solid rgba(128,128,152,0.15); }
.tier-badge--c     { background: rgba(96,96,120,0.1); color: var(--tier-c); border: 1px solid rgba(96,96,120,0.15); }

/* Model name */
.model-name {
  font-weight: 600; font-size: 13px;
  max-width: 200px; overflow: hidden; text-overflow: ellipsis;
}
.model-id {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--color-text-dim); margin-top: 1px;
  max-width: 200px; overflow: hidden; text-overflow: ellipsis;
}

.provider-pill {
  display: inline-block; font-size: 11px; font-weight: 500;
  padding: 2px 8px; border-radius: 999px;
  background: var(--color-accent-dim);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

.swe-score { font-family: var(--font-mono); font-weight: 600; }
.swe-high { color: var(--tier-splus); }
.swe-mid  { color: var(--tier-a); }
.swe-low  { color: var(--color-text-dim); }
.ctx-value { font-family: var(--font-mono); font-size: 12px; color: var(--color-text-muted); }

.ping-value { font-family: var(--font-mono); font-weight: 600; }
.ping-fast   { color: #00ff88; }
.ping-medium { color: #ffaa00; }
.ping-slow   { color: #ff4444; }
.ping-none   { color: var(--color-text-dim); }

/* Stability bar */
.stability-cell { display: flex; align-items: center; gap: 6px; }
.stability-bar {
  width: 48px; height: 6px; border-radius: 3px;
  background: var(--color-surface); overflow: hidden;
}
.stability-bar__fill {
  height: 100%; border-radius: 3px;
  transition: width var(--transition-medium);
}
.stability-bar__fill--high { background: linear-gradient(90deg, #00ff88, #76b900); }
.stability-bar__fill--mid  { background: linear-gradient(90deg, #ffaa00, #ff8c00); }
.stability-bar__fill--low  { background: linear-gradient(90deg, #ff4444, #cc0000); }
.stability-value { font-family: var(--font-mono); font-size: 12px; font-weight: 600; }

/* Verdict badges */
.verdict-badge {
  display: inline-block;
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  padding: 2px 8px; border-radius: 999px; letter-spacing: 0.5px;
}
.verdict--perfect    { background: rgba(0,255,136,0.12); color: var(--verdict-perfect); border: 1px solid rgba(0,255,136,0.25); }
.verdict--normal     { background: rgba(118,185,0,0.12); color: var(--verdict-normal); border: 1px solid rgba(118,185,0,0.25); }
.verdict--slow       { background: rgba(255,170,0,0.12); color: var(--verdict-slow); border: 1px solid rgba(255,170,0,0.25); }
.verdict--spiky      { background: rgba(255,102,0,0.12); color: var(--verdict-spiky); border: 1px solid rgba(255,102,0,0.25); }
.verdict--veryslow   { background: rgba(255,68,68,0.12); color: var(--verdict-veryslow); border: 1px solid rgba(255,68,68,0.2); }
.verdict--overloaded { background: rgba(255,34,34,0.12); color: var(--verdict-overloaded); border: 1px solid rgba(255,34,34,0.2); }
.verdict--unstable   { background: rgba(204,0,0,0.12); color: var(--verdict-unstable); border: 1px solid rgba(204,0,0,0.2); }
.verdict--notactive  { background: rgba(85,85,112,0.12); color: var(--verdict-notactive); border: 1px solid rgba(85,85,112,0.15); }
.verdict--pending    { background: rgba(68,68,96,0.1); color: var(--verdict-pending); border: 1px solid rgba(68,68,96,0.15); }
.verdict--ratelimited { background: rgba(255,170,0,0.15); color: #ffaa00; border: 1px solid rgba(255,170,0,0.3); }

.uptime-value { font-family: var(--font-mono); font-size: 12px; }
.sparkline-svg { vertical-align: middle; }

/* Status dot */
.status-dot {
  display: inline-block; width: 8px; height: 8px;
  border-radius: 50%; margin-right: 6px; vertical-align: middle;
}
.status-dot--up      { background: #00ff88; box-shadow: 0 0 6px rgba(0,255,136,0.4); }
.status-dot--down    { background: #ff4444; }
.status-dot--timeout { background: #ff4444; }
.status-dot--pending { background: #555570; animation: pulse-dot 1.5s ease-in-out infinite; }

/* Loading */
.loading-row td { text-align: center; padding: 60px 0; }
.loading-spinner { display: flex; align-items: center; justify-content: center; gap: 12px; color: var(--color-text-muted); }
.spinner {
  width: 24px; height: 24px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.no-key-badge {
  font-size: 10px; font-weight: 600;
  padding: 1px 6px; border-radius: 3px;
  background: rgba(255,170,0,0.12); color: #ffaa00;
  border: 1px solid rgba(255,170,0,0.2); margin-left: 6px;
}

/* ═══════ SETTINGS PAGE ═══════ */
.settings-page { padding: 24px; max-width: 900px; }
.settings-page__header { margin-bottom: 24px; }
.settings-page__title { font-size: 24px; font-weight: 800; margin-bottom: 6px; }
.settings-page__subtitle { font-size: 13px; color: var(--color-text-muted); line-height: 1.5; }

.settings-toolbar {
  display: flex; align-items: center; gap: 12px; margin-bottom: 20px;
  flex-wrap: wrap;
}
.settings-toolbar__search {
  display: flex; align-items: center; gap: 8px;
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 0 12px; height: 36px; flex: 1; min-width: 200px;
}
.settings-toolbar__search svg { color: var(--color-text-dim); flex-shrink: 0; }
.settings-toolbar__search input {
  flex: 1; background: none; border: none; outline: none;
  color: var(--color-text); font-size: 13px; font-family: var(--font-sans);
}
.settings-toolbar__search input::placeholder { color: var(--color-text-dim); }
.settings-toolbar__actions { display: flex; gap: 8px; }

/* Provider Card */
.settings-card {
  background: var(--color-bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color var(--transition-fast);
}
.settings-card:hover { border-color: var(--color-border-hover); }

.settings-card__header {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px; cursor: pointer;
  transition: background var(--transition-fast);
}
.settings-card__header:hover { background: var(--color-bg-hover); }

.settings-card__icon {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm); font-size: 18px;
  background: var(--color-accent-dim);
}
.settings-card__info { flex: 1; }
.settings-card__name { font-weight: 700; font-size: 14px; }
.settings-card__meta { font-size: 11px; color: var(--color-text-muted); margin-top: 2px; }

.settings-card__status {
  font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 999px;
}
.settings-card__status--configured { background: var(--color-success-dim); color: var(--color-success); }
.settings-card__status--missing { background: var(--color-warning-dim); color: var(--color-warning); }

.settings-card__toggle-icon {
  color: var(--color-text-dim); transition: transform var(--transition-fast);
  font-size: 18px;
}
.settings-card--expanded .settings-card__toggle-icon { transform: rotate(180deg); }

.settings-card__body {
  max-height: 0; overflow: hidden;
  transition: max-height var(--transition-medium);
  border-top: 0px solid transparent;
}
.settings-card--expanded .settings-card__body {
  max-height: 500px;
  border-top: 1px solid var(--color-border);
}

.settings-card__content { padding: 16px 20px; }

/* API Key Input Group */
.api-key-group { margin-bottom: 12px; }
.api-key-group__label {
  display: block; font-size: 11px; font-weight: 600;
  color: var(--color-text-muted); text-transform: uppercase;
  letter-spacing: 0.5px; margin-bottom: 6px;
}
.api-key-group__row {
  display: flex; gap: 8px; align-items: center;
}
.api-key-group__input {
  flex: 1; background: var(--color-surface);
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  padding: 8px 12px; font-size: 13px; font-family: var(--font-mono);
  color: var(--color-text); outline: none;
  transition: border-color var(--transition-fast);
}
.api-key-group__input:focus { border-color: var(--color-accent); }
.api-key-group__input::placeholder { color: var(--color-text-dim); }

.api-key-group__actions { display: flex; gap: 4px; }

.api-key-display {
  display: flex; align-items: center; gap: 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  padding: 8px 12px; margin-bottom: 8px;
}
.api-key-display__value {
  flex: 1; font-family: var(--font-mono); font-size: 13px;
  color: var(--color-text-muted); word-break: break-all;
}
.api-key-display__actions { display: flex; gap: 4px; flex-shrink: 0; }

.settings-card__enabled {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 12px; border-top: 1px solid var(--color-border);
  margin-top: 12px;
}
.settings-card__enabled-label { font-size: 12px; color: var(--color-text-muted); font-weight: 500; }

/* Toggle Switch */
.toggle-switch {
  position: relative; width: 44px; height: 24px;
  cursor: pointer;
}
.toggle-switch input { display: none; }
.toggle-switch__slider {
  position: absolute; inset: 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  transition: all var(--transition-fast);
}
.toggle-switch__slider::after {
  content: '';
  position: absolute; left: 3px; top: 3px;
  width: 16px; height: 16px;
  background: var(--color-text-dim);
  border-radius: 50%;
  transition: all var(--transition-fast);
}
.toggle-switch input:checked + .toggle-switch__slider {
  background: var(--color-accent-dim);
  border-color: var(--color-accent);
}
.toggle-switch input:checked + .toggle-switch__slider::after {
  transform: translateX(20px);
  background: var(--color-accent);
}

/* ═══════ ANALYTICS PAGE ═══════ */
.analytics-page { padding: 24px; }
.analytics-page__header { margin-bottom: 24px; }
.analytics-page__title { font-size: 24px; font-weight: 800; margin-bottom: 6px; }
.analytics-page__subtitle { font-size: 13px; color: var(--color-text-muted); }

.analytics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.analytics-card {
  background: var(--color-bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px; overflow: hidden;
}
.analytics-card--wide { grid-column: span 2; }
.analytics-card__title {
  font-size: 14px; font-weight: 700; margin-bottom: 16px;
}
.analytics-card__body { }

/* Provider health bar */
.provider-health-item {
  display: flex; align-items: center; gap: 12px;
  padding: 8px 0; border-bottom: 1px solid var(--color-border);
}
.provider-health-item:last-child { border-bottom: none; }
.provider-health__name { width: 120px; font-size: 12px; font-weight: 600; flex-shrink: 0; }
.provider-health__bar {
  flex: 1; height: 8px; border-radius: 4px;
  background: var(--color-surface); overflow: hidden;
}
.provider-health__fill {
  height: 100%; border-radius: 4px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-success));
  transition: width var(--transition-medium);
}
.provider-health__pct {
  width: 40px; text-align: right;
  font-family: var(--font-mono); font-size: 12px; font-weight: 600;
}

/* Leaderboard */
.leaderboard-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 0; border-bottom: 1px solid var(--color-border);
}
.leaderboard-item:last-child { border-bottom: none; }
.leaderboard__rank {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; font-size: 12px; font-weight: 700;
  background: var(--color-surface); color: var(--color-text-dim);
}
.leaderboard__rank--1 { background: rgba(255,215,0,0.15); color: #ffd700; }
.leaderboard__rank--2 { background: rgba(192,192,192,0.15); color: #c0c0c0; }
.leaderboard__rank--3 { background: rgba(205,127,50,0.15); color: #cd7f32; }
.leaderboard__name { flex: 1; font-size: 12px; font-weight: 600; }
.leaderboard__latency { font-family: var(--font-mono); font-size: 12px; font-weight: 600; color: var(--color-success); }

/* Tier distribution */
.tier-dist-item {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 0;
}
.tier-dist__badge { width: 40px; flex-shrink: 0; }
.tier-dist__bar {
  flex: 1; height: 10px; border-radius: 5px;
  background: var(--color-surface); overflow: hidden;
}
.tier-dist__fill { height: 100%; border-radius: 5px; transition: width var(--transition-medium); }
.tier-dist__count { width: 30px; text-align: right; font-family: var(--font-mono); font-size: 12px; color: var(--color-text-muted); }

/* ─── Detail Panel ─── */
.detail-panel {
  position: fixed; right: 0; top: 0; bottom: 0;
  width: min(420px, 90vw); z-index: 300;
  background: var(--color-bg-elevated);
  border-left: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  transform: translateX(100%);
  transition: transform var(--transition-medium);
  overflow-y: auto;
}
.detail-panel:not([hidden]) { transform: translateX(0); }
.detail-panel__header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border);
}
.detail-panel__title { font-size: 16px; font-weight: 700; }
.detail-panel__close {
  background: none; border: none; color: var(--color-text-muted);
  font-size: 22px; cursor: pointer; line-height: 1;
}
.detail-panel__close:hover { color: var(--color-text); }
.detail-panel__body { padding: 24px; }

.detail-stat {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}
.detail-stat__label { font-size: 12px; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; }
.detail-stat__value { font-family: var(--font-mono); font-weight: 600; }

.detail-chart {
  margin: 20px 0; padding: 16px;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}
.detail-chart__title {
  font-size: 11px; font-weight: 700; color: var(--color-text-muted);
  text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 12px;
}

/* ─── Modal ─── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 1000;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  animation: fadeIn 200ms ease-out;
}
.modal-overlay[hidden] { display: none; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  width: min(500px, 90vw);
  max-height: 80vh; overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modalSlideIn 300ms var(--ease-out);
}
@keyframes modalSlideIn {
  from { transform: translateY(20px) scale(0.96); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}
.modal__header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--color-border);
}
.modal__title { font-size: 18px; font-weight: 700; }
.modal__close {
  background: none; border: none; color: var(--color-text-muted);
  font-size: 24px; cursor: pointer; padding: 0; line-height: 1;
}
.modal__close:hover { color: var(--color-text); }
.modal__body { padding: 24px; }

/* Export options */
.export-options { display: flex; flex-direction: column; gap: 10px; }
.export-option {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 18px; border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  cursor: pointer; transition: all var(--transition-fast);
  text-align: left; font-family: var(--font-sans);
  color: var(--color-text);
}
.export-option:hover {
  border-color: var(--color-accent);
  background: var(--color-accent-dim);
}
.export-option__icon { font-size: 24px; flex-shrink: 0; }
.export-option__label { font-weight: 600; font-size: 14px; }
.export-option__desc { font-size: 11px; color: var(--color-text-muted); margin-top: 2px; }

/* ─── Footer ─── */
.footer {
  position: relative; z-index: 1;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px;
  border-top: 1px solid var(--color-border);
  font-size: 12px; color: var(--color-text-dim);
}
.footer__right { display: flex; gap: 16px; }
.footer__right a { color: var(--color-text-dim); }
.footer__right a:hover { color: var(--color-accent); }

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .stats-bar { grid-template-columns: repeat(3, 1fr); }
  .analytics-grid { grid-template-columns: 1fr; }
  .analytics-card--wide { grid-column: span 1; }
}
@media (max-width: 768px) {
  .sidebar { display: none; }
  .app-content { margin-left: 0; }
  .sidebar-toggle { display: inline-flex !important; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .header__center { display: none; }
  .models-table { font-size: 12px; }
  .th--stability, .td--stability,
  .th--sparkline, .td--sparkline,
  .th--uptime, .td--uptime { display: none; }
}
@media (max-width: 480px) {
  .stats-bar { grid-template-columns: 1fr; }
  .filters { flex-direction: column; align-items: flex-start; }
}

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