:root {
  --bg: #05060c;
  --bg-soft: rgba(13, 16, 26, 0.62);
  --panel: rgba(18, 21, 33, 0.62);
  --panel-2: rgba(26, 30, 45, 0.55);
  --border: rgba(120, 135, 200, 0.20);
  --border-soft: rgba(120, 135, 200, 0.12);
  --text: #eaecf6;
  --text-dim: #a3acc4;
  --text-mute: #727c94;
  --accent: #6d5efc;
  --accent-2: #22d3ee;
  --accent-soft: rgba(109, 94, 252, 0.16);
  --green: #34d399;
  --red: #f87171;
  --amber: #fbbf24;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  --radius: 18px;
  --radius-sm: 11px;
  --mono: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', Consolas, monospace;
  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --glass-blur: blur(16px) saturate(1.25);
}

[data-theme='light'] {
  --bg: #eef1fb;
  --bg-soft: rgba(255, 255, 255, 0.6);
  --panel: rgba(255, 255, 255, 0.66);
  --panel-2: rgba(244, 246, 253, 0.6);
  --border: rgba(70, 90, 180, 0.16);
  --border-soft: rgba(70, 90, 180, 0.10);
  --text: #14172a;
  --text-dim: #4a5268;
  --text-mute: #7c849c;
  --accent: #5b4bf5;
  --accent-2: #0891b2;
  --accent-soft: rgba(91, 75, 245, 0.12);
  --shadow: 0 20px 44px rgba(30, 40, 90, 0.14);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background 0.25s ease, color 0.25s ease;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background: url('/img/bg-dark.svg') center / cover no-repeat;
}
[data-theme='light'] .bg-glow {
  background-image: url('/img/bg-light.svg');
}
.bg-glow::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(1200px circle at 50% -15%, transparent 30%, color-mix(in srgb, var(--bg) 55%, transparent) 100%);
}

/* glass surfaces */
.card,
.panel,
.stat,
.cabinet-hero,
.sidebar,
.modal,
.login-card,
.code-block,
.toast {
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
}
.card,
.panel,
.stat,
.cabinet-hero,
.login-card,
.modal {
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04) inset, var(--shadow);
}
[data-theme='light'] .card,
[data-theme='light'] .panel,
[data-theme='light'] .stat,
[data-theme='light'] .cabinet-hero,
[data-theme='light'] .login-card,
[data-theme='light'] .modal {
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6) inset, var(--shadow);
}

.container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 22px; position: relative; z-index: 1; }

header.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  background: color-mix(in srgb, var(--bg) 58%, transparent);
  border-bottom: 1px solid var(--border-soft);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 66px;
}

.brand { display: flex; align-items: center; gap: 11px; font-weight: 700; letter-spacing: -0.02em; font-size: 17px; }
.brand .logo {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center; font-size: 17px;
  box-shadow: 0 8px 22px var(--accent-soft), 0 0 0 1px rgba(255, 255, 255, 0.12) inset;
}
.brand small { display: block; font-size: 11px; font-weight: 500; color: var(--text-mute); letter-spacing: 0.04em; }

.top-actions { display: flex; align-items: center; gap: 9px; }

.btn {
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 9px 15px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: all 0.16s ease;
  white-space: nowrap;
}
.btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: linear-gradient(135deg, var(--accent), #8b7dff 60%, var(--accent-2)); border-color: transparent; color: #fff; box-shadow: 0 8px 24px var(--accent-soft); }
.btn-primary:hover { filter: brightness(1.1); }
.btn-ghost { background: transparent; }
.btn-danger { border-color: rgba(248, 113, 113, 0.4); color: var(--red); }
.btn-danger:hover { background: rgba(248, 113, 113, 0.1); border-color: var(--red); }
.btn-sm { padding: 6px 11px; font-size: 12.5px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.icon-btn {
  width: 38px; height: 38px; padding: 0; justify-content: center;
  font-size: 16px;
}

.hero { padding: 76px 0 44px; text-align: center; }
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
  padding: 6px 14px; border-radius: 999px;
  font-size: 12.5px; color: var(--text-dim); margin-bottom: 22px;
}
.pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 10px var(--green); }

.hero h1 {
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-weight: 800;
  margin-bottom: 18px;
}
.hero h1 .grad {
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p { color: var(--text-dim); font-size: 17px; max-width: 620px; margin: 0 auto 30px; }

.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.section { padding: 40px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.section-head h2 { font-size: 24px; letter-spacing: -0.02em; }
.section-head p { color: var(--text-mute); font-size: 14px; }

.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); transform: translateY(-2px); box-shadow: var(--shadow); }

.model-card .model-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.model-card h3 { font-size: 17px; letter-spacing: -0.01em; }
.model-card .provider { font-size: 12px; color: var(--text-mute); margin-top: 2px; }
.model-card p { color: var(--text-dim); font-size: 13.5px; min-height: 40px; }
.model-card .model-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; gap: 10px; }
.model-card code { font-family: var(--mono); font-size: 12px; color: var(--accent-2); background: var(--accent-soft); padding: 3px 8px; border-radius: 6px; }

.badge {
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em;
  padding: 4px 9px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--panel-2); color: var(--text-dim);
}
.badge.ok { color: var(--green); border-color: rgba(52, 211, 153, 0.35); background: rgba(52, 211, 153, 0.1); }
.badge.off { color: var(--text-mute); }
.badge.warn { color: var(--amber); border-color: rgba(251, 191, 36, 0.35); background: rgba(251, 191, 36, 0.1); }
.badge.bad { color: var(--red); border-color: rgba(248, 113, 113, 0.35); background: rgba(248, 113, 113, 0.1); }

.code-block {
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 18px;
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--text-dim);
  overflow-x: auto;
  white-space: pre;
  line-height: 1.7;
}
.code-block .k { color: var(--accent); }
.code-block .s { color: var(--green); }
.code-block .c { color: var(--text-mute); }

.footer { padding: 40px 0; color: var(--text-mute); font-size: 13px; text-align: center; border-top: 1px solid var(--border-soft); margin-top: 30px; }

/* ---------- Admin ---------- */
.admin-shell { display: flex; min-height: 100vh; position: relative; z-index: 1; }
.sidebar {
  width: 250px; flex-shrink: 0;
  background: var(--bg-soft);
  border-right: 1px solid var(--border-soft);
  padding: 20px 14px;
  display: flex; flex-direction: column; gap: 6px;
  position: sticky; top: 0; height: 100vh;
}
.sidebar .brand { margin-bottom: 20px; padding: 0 8px; }
.nav-item {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 12px; border-radius: var(--radius-sm);
  color: var(--text-dim); font-size: 14px; font-weight: 500; cursor: pointer;
  border: 1px solid transparent; transition: all 0.15s ease;
}
.nav-item:hover { background: var(--panel); color: var(--text); }
.nav-item.active { background: var(--accent-soft); color: var(--text); border-color: color-mix(in srgb, var(--accent) 35%, transparent); }
.nav-item .ico { width: 18px; text-align: center; }
.sidebar .spacer { flex: 1; }

.admin-main { flex: 1; min-width: 0; padding: 26px 30px 60px; }
.admin-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.admin-head h1 { font-size: 25px; letter-spacing: -0.02em; }
.admin-head p { color: var(--text-mute); font-size: 13.5px; }

.stat-grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); margin-bottom: 26px; }
.stat {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 17px 18px;
}
.stat .label { font-size: 12px; color: var(--text-mute); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
.stat .value { font-size: 28px; font-weight: 800; letter-spacing: -0.03em; margin-top: 6px; }
.stat .value.accent { color: var(--accent-2); }
.balance-card { grid-column: span 2; }
@media (max-width: 640px) { .balance-card { grid-column: auto; } }
.balance-card .value { font-size: 36px; }
.progress { height: 8px; border-radius: 999px; background: var(--border); overflow: hidden; margin-top: 12px; }
.progress > span { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); transition: width 0.4s ease; }

.cabinet-hero {
  display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap;
  background: var(--panel);
  background-image: radial-gradient(520px circle at 0% 0%, var(--accent-soft), transparent 62%);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 26px 28px; margin-bottom: 20px;
}
.cabinet-balance { min-width: 240px; flex: 1; }
.cabinet-amount { font-size: 48px; font-weight: 800; letter-spacing: -0.035em; color: var(--accent-2); margin: 8px 0 14px; line-height: 1; }
.cabinet-side { display: flex; flex-direction: column; align-items: flex-end; text-align: right; }
.cabinet-name { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; margin-top: 10px; }
@media (max-width: 640px) {
  .cabinet-side { align-items: flex-start; text-align: left; }
  .cabinet-amount { font-size: 38px; }
}

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; margin-bottom: 20px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 16px 20px; border-bottom: 1px solid var(--border-soft); flex-wrap: wrap; }
.panel-head h2 { font-size: 16.5px; letter-spacing: -0.01em; }
.panel-head .sub { color: var(--text-mute); font-size: 12.5px; }
.panel-body { padding: 20px; }

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th { text-align: left; padding: 11px 14px; color: var(--text-mute); font-size: 11.5px; text-transform: uppercase; letter-spacing: 0.05em; border-bottom: 1px solid var(--border); font-weight: 700; }
td { padding: 13px 14px; border-bottom: 1px solid var(--border-soft); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tbody tr:hover { background: var(--panel-2); }
.mono { font-family: var(--mono); font-size: 12px; }
.key-cell { display: flex; align-items: center; gap: 8px; }
.key-cell .val { font-family: var(--mono); font-size: 12px; color: var(--text-dim); max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row-actions { display: flex; gap: 6px; justify-content: flex-end; }

.field { margin-bottom: 16px; }
.field > label:not(.switch) { display: block; font-size: 12.5px; font-weight: 600; color: var(--text-dim); margin-bottom: 7px; }
.field .hint { font-size: 11.5px; color: var(--text-mute); margin-top: 5px; }
input, select, textarea {
  width: 100%; background: var(--bg-soft); border: 1px solid var(--border);
  color: var(--text); padding: 10px 12px; border-radius: var(--radius-sm);
  font-size: 13.5px; font-family: inherit; outline: none; transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
textarea { resize: vertical; min-height: 80px; font-family: var(--mono); font-size: 12.5px; }
.form-row { display: grid; gap: 14px; grid-template-columns: 1fr 1fr; }
@media (max-width: 640px) { .form-row { grid-template-columns: 1fr; } }

label.switch { display: inline-flex; align-items: center; gap: 10px; cursor: pointer; user-select: none; font-size: 13.5px; margin-bottom: 0; font-weight: 500; color: var(--text); }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }
.switch .track { display: inline-block; width: 42px; height: 24px; border-radius: 999px; background: var(--border); position: relative; transition: background 0.18s ease; flex-shrink: 0; }
.switch .track::after { content: ''; position: absolute; top: 3px; left: 3px; width: 18px; height: 18px; border-radius: 50%; background: #fff; transition: transform 0.18s ease; }
.switch input:checked + .track { background: var(--accent); }
.switch input:checked + .track::after { transform: translateX(18px); }

.modal-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(4, 5, 10, 0.66);
  backdrop-filter: blur(5px);
  display: flex; align-items: center; justify-content: center;
  padding: 22px; opacity: 0; pointer-events: none; transition: opacity 0.2s ease;
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }
.modal {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  width: 100%; max-width: 560px; max-height: 90vh; overflow-y: auto;
  box-shadow: var(--shadow); transform: translateY(10px) scale(0.98); transition: transform 0.2s ease;
}
.modal-overlay.open .modal { transform: translateY(0) scale(1); }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; border-bottom: 1px solid var(--border-soft); }
.modal-head h3 { font-size: 17px; }
.modal-body { padding: 22px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 16px 22px; border-top: 1px solid var(--border-soft); }
.modal.wide { max-width: 720px; }

.toast-wrap { position: fixed; bottom: 22px; right: 22px; z-index: 200; display: flex; flex-direction: column; gap: 10px; }
.toast {
  background: var(--panel); border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: var(--radius-sm); padding: 12px 16px; font-size: 13.5px; box-shadow: var(--shadow);
  min-width: 240px; animation: slideIn 0.25s ease;
}
.toast.ok { border-left-color: var(--green); }
.toast.err { border-left-color: var(--red); }
@keyframes slideIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }

.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 22px; position: relative; z-index: 1; }
.login-card { width: 100%; max-width: 400px; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 34px; box-shadow: var(--shadow); }
.login-card .logo-big { width: 52px; height: 52px; border-radius: 14px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); display: grid; place-items: center; font-size: 26px; margin: 0 auto 18px; }
.login-card h1 { font-size: 21px; text-align: center; margin-bottom: 6px; }
.login-card p { text-align: center; color: var(--text-mute); font-size: 13px; margin-bottom: 26px; }

.hidden { display: none !important; }
.empty { text-align: center; padding: 42px 20px; color: var(--text-mute); font-size: 14px; }
.empty .big { font-size: 34px; margin-bottom: 10px; opacity: 0.6; }

.chips { display: flex; flex-wrap: wrap; gap: 7px; }
.chip {
  border: 1px solid var(--border); background: var(--bg-soft); color: var(--text-dim);
  padding: 5px 11px; border-radius: 999px; font-size: 12px; cursor: pointer; transition: all 0.14s ease; user-select: none;
}
.chip:hover { border-color: var(--accent); color: var(--text); }
.chip.on { background: var(--accent-soft); border-color: var(--accent); color: var(--text); }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border-soft); margin-bottom: 22px; }
.tab { padding: 10px 16px; font-size: 14px; color: var(--text-mute); cursor: pointer; border-bottom: 2px solid transparent; font-weight: 600; }
.tab.active { color: var(--text); border-bottom-color: var(--accent); }

.flex { display: flex; align-items: center; gap: 10px; }
.between { justify-content: space-between; }
.muted { color: var(--text-mute); }
.dim { color: var(--text-dim); }
.mt-2 { margin-top: 10px; }
.nowrap { white-space: nowrap; }

@media (max-width: 860px) {
  .sidebar { position: fixed; left: 0; top: 0; z-index: 50; transform: translateX(-100%); transition: transform 0.22s ease; }
  .sidebar.open { transform: translateX(0); }
  .admin-main { padding: 18px 16px 60px; }
  .mobile-only { display: inline-flex !important; }
  table { font-size: 12.5px; }
  th, td { padding: 10px 9px; }
}
.mobile-only { display: none; }

/* ---------- SVG icons (masked, inherit currentColor) ---------- */
.icon {
  display: inline-block;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  vertical-align: middle;
  background-color: currentColor;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-size: contain;
  mask-size: contain;
}
.icon-logo { -webkit-mask-image: url('/icons/logo.svg'); mask-image: url('/icons/logo.svg'); }
.icon-moon { -webkit-mask-image: url('/icons/moon.svg'); mask-image: url('/icons/moon.svg'); }
.icon-sun { -webkit-mask-image: url('/icons/sun.svg'); mask-image: url('/icons/sun.svg'); }
.icon-dashboard { -webkit-mask-image: url('/icons/dashboard.svg'); mask-image: url('/icons/dashboard.svg'); }
.icon-models { -webkit-mask-image: url('/icons/models.svg'); mask-image: url('/icons/models.svg'); }
.icon-keys { -webkit-mask-image: url('/icons/keys.svg'); mask-image: url('/icons/keys.svg'); }
.icon-logs { -webkit-mask-image: url('/icons/logs.svg'); mask-image: url('/icons/logs.svg'); }
.icon-settings { -webkit-mask-image: url('/icons/settings.svg'); mask-image: url('/icons/settings.svg'); }
.icon-menu { -webkit-mask-image: url('/icons/menu.svg'); mask-image: url('/icons/menu.svg'); }
.icon-close { -webkit-mask-image: url('/icons/close.svg'); mask-image: url('/icons/close.svg'); }
.icon-edit { -webkit-mask-image: url('/icons/edit.svg'); mask-image: url('/icons/edit.svg'); }
.icon-trash { -webkit-mask-image: url('/icons/trash.svg'); mask-image: url('/icons/trash.svg'); }
.icon-copy { -webkit-mask-image: url('/icons/copy.svg'); mask-image: url('/icons/copy.svg'); }
.icon-image { -webkit-mask-image: url('/icons/image.svg'); mask-image: url('/icons/image.svg'); }
.icon-plus { -webkit-mask-image: url('/icons/plus.svg'); mask-image: url('/icons/plus.svg'); }
.icon-check { -webkit-mask-image: url('/icons/check.svg'); mask-image: url('/icons/check.svg'); }
.icon-empty { -webkit-mask-image: url('/icons/empty.svg'); mask-image: url('/icons/empty.svg'); }
.icon-chevron-left { -webkit-mask-image: url('/icons/chevron-left.svg'); mask-image: url('/icons/chevron-left.svg'); }
.icon-chevron-right { -webkit-mask-image: url('/icons/chevron-right.svg'); mask-image: url('/icons/chevron-right.svg'); }
.icon-provider-openai { -webkit-mask-image: url('/icons/provider-openai.svg'); mask-image: url('/icons/provider-openai.svg'); }
.icon-provider-anthropic { -webkit-mask-image: url('/icons/provider-anthropic.svg'); mask-image: url('/icons/provider-anthropic.svg'); }
.icon-provider-deepseek { -webkit-mask-image: url('/icons/provider-deepseek.svg'); mask-image: url('/icons/provider-deepseek.svg'); }
.icon-provider-custom { -webkit-mask-image: url('/icons/provider-custom.svg'); mask-image: url('/icons/provider-custom.svg'); }

.brand .logo .icon { width: 19px; height: 19px; background-color: #fff; }
.login-card .logo-big .icon { width: 26px; height: 26px; background-color: #fff; }
.btn .icon { width: 15px; height: 15px; }
.btn.icon-btn .icon { width: 17px; height: 17px; }
.nav-item .ico { width: 18px; height: 18px; opacity: 0.85; }
.nav-item.active .ico { opacity: 1; }
.badge .icon { width: 13px; height: 13px; }
.model-card h3 .icon { width: 18px; height: 18px; margin-right: 2px; }
.empty .big .icon { width: 34px; height: 34px; opacity: 0.55; }