* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

:root {
  --bg: #0a0b0d;
  --bg-elevated: #131519;
  --bg-card: #15171c;
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.16);
  --text: #f2f0ea;
  --text-dim: #9a9ba1;
  --text-faint: #5c5d63;
  --accent: #ffb020;
  --accent-dim: rgba(255,176,32,0.14);
  --teal: #2dd4bf;
  --teal-dim: rgba(45,212,191,0.14);
  --coral: #ff6b5d;
  --coral-dim: rgba(255,107,93,0.14);
  --violet: #a78bfa;
  --radius: 18px;
  --radius-sm: 10px;
  --font-display: 'Fraunces', serif;
  --font-body: 'Manrope', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --shadow-card: 0 24px 60px -32px rgba(0,0,0,0.7);
}

[data-theme="light"] {
  --bg: #f4f1ea;
  --bg-elevated: #ffffff;
  --bg-card: #ffffff;
  --border: rgba(20,21,26,0.09);
  --border-strong: rgba(20,21,26,0.18);
  --text: #17181c;
  --text-dim: #5c5d64;
  --text-faint: #9a9ba1;
  --accent: #bd6f08;
  --accent-dim: rgba(189,111,8,0.10);
  --teal: #0d8f80;
  --teal-dim: rgba(13,143,128,0.10);
  --coral: #c94435;
  --coral-dim: rgba(201,68,53,0.10);
  --violet: #7c5ce0;
  --shadow-card: 0 24px 50px -30px rgba(20,21,26,0.2);
}

.app { min-height: 100vh; display: flex; flex-direction: column; position: relative; }

.app::before {
  content: '';
  position: fixed; inset: 0; pointer-events: none; z-index: 999; opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  mix-blend-mode: overlay;
}

/* Topbar */
.topbar {
  display: flex; align-items: center; gap: 24px; padding: 16px 28px;
  border-bottom: 1px solid var(--border); background: var(--bg-elevated);
  position: sticky; top: 0; z-index: 50; flex-wrap: wrap;
}
.topbar__brand { display: flex; align-items: baseline; gap: 8px; font-family: var(--font-display); font-size: 20px; }
.brand-mark { color: var(--accent); font-size: 16px; }
.brand-text em { font-style: italic; color: var(--accent); }

.tabs { display: flex; gap: 4px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 999px; padding: 4px; }
.tab {
  border: none; background: transparent; color: var(--text-dim);
  padding: 8px 18px; border-radius: 999px; font-weight: 700; font-size: 13px;
  cursor: pointer; transition: all .2s ease;
}
.tab.is-active { background: var(--accent); color: #14151a; }
.tab:not(.is-active):hover { color: var(--text); }

.topbar__controls { margin-left: auto; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }

.period-bar { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.pill {
  border: 1px solid var(--border); background: var(--bg-card); color: var(--text-dim);
  padding: 7px 14px; border-radius: 999px; font-size: 12px; font-family: var(--font-mono);
  cursor: pointer; transition: all .15s ease;
}
.pill:hover { border-color: var(--border-strong); color: var(--text); }
.pill.is-active { background: var(--accent-dim); border-color: var(--accent); color: var(--accent); }

.period-custom { display: flex; align-items: center; gap: 6px; }
.period-custom input[type=date] {
  background: var(--bg-card); border: 1px solid var(--border); color: var(--text);
  border-radius: var(--radius-sm); padding: 6px 8px; font-family: var(--font-mono); font-size: 12px;
}
.btn-mini { background: var(--accent); color: #14151a; border: none; border-radius: var(--radius-sm); padding: 6px 12px; font-weight: 700; cursor: pointer; font-size: 12px; }

.icon-btn {
  width: 36px; height: 36px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--bg-card); color: var(--text-dim); display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all .15s ease;
}
.icon-btn:hover { color: var(--text); border-color: var(--border-strong); }
.icon-sun, .icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: block; }
[data-theme="light"] .icon-moon { display: block; }

/* Content */
.content { flex: 1; padding: 24px 28px 48px; max-width: 1440px; margin: 0 auto; width: 100%; }
.view[hidden] { display: none; }

/* Bento grid */
.bento-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 14px; }
.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow-card); position: relative; overflow: hidden;
  animation: card-in .5s ease both;
}
.card--span-3 { grid-column: span 3; }
.card--span-4 { grid-column: span 4; }
.card--span-6 { grid-column: span 6; }
.card--span-12 { grid-column: span 12; }
@keyframes card-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }

.card-title { margin: 0 0 14px; font-family: var(--font-display); font-size: 15px; font-weight: 600; color: var(--text-dim); text-transform: uppercase; letter-spacing: .06em; }

.kpi-card { display: flex; flex-direction: column; gap: 6px; }
.kpi-icon { font-size: 20px; opacity: .85; }
.kpi-value { font-family: var(--font-mono); font-size: 30px; font-weight: 700; letter-spacing: -0.02em; }
.kpi-label { color: var(--text-dim); font-size: 12px; }
.kpi-card.accent-teal .kpi-value { color: var(--teal); }
.kpi-card.accent-amber .kpi-value { color: var(--accent); }

.skeleton { background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-elevated) 37%, var(--bg-card) 63%); background-size: 400% 100%; animation: shimmer 1.4s infinite; min-height: 110px; }
@keyframes shimmer { 0% { background-position: 100% 0; } 100% { background-position: -100% 0; } }

/* Токены */
.token-bars { display: flex; flex-direction: column; gap: 12px; }
.token-row { display: grid; grid-template-columns: 110px 1fr 70px; align-items: center; gap: 10px; }
.token-label { font-size: 12px; color: var(--text-dim); }
.token-track { height: 8px; background: var(--bg-elevated); border-radius: 999px; overflow: hidden; }
.token-fill { height: 100%; border-radius: 999px; transition: width .4s ease; }
.token-fill--amber { background: var(--accent); }
.token-fill--teal { background: var(--teal); }
.token-fill--coral { background: var(--coral); }
.token-fill--violet { background: var(--violet); }
.token-value { font-family: var(--font-mono); font-size: 12px; text-align: right; color: var(--text); }
.token-total { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--border); font-size: 13px; color: var(--text-dim); }
.token-total span { color: var(--text); font-family: var(--font-mono); font-weight: 700; }

/* График */
.timeline-canvas { width: 100%; height: 200px; display: block; }
.legend { display: flex; gap: 16px; margin-top: 8px; font-size: 12px; color: var(--text-dim); }
.legend-item { display: flex; align-items: center; gap: 6px; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot--amber { background: var(--accent); }
.dot--teal { background: var(--teal); }

/* По режимам */
.mode-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; }
.mode-item { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px; display: flex; flex-direction: column; gap: 4px; }
.mode-name { font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: .04em; }
.mode-count { font-family: var(--font-mono); font-size: 20px; font-weight: 700; }
.mode-cost { font-family: var(--font-mono); font-size: 12px; color: var(--accent); }

.empty-hint { color: var(--text-faint); font-size: 13px; text-align: center; padding: 20px; }
.error-box { color: var(--coral); background: var(--coral-dim); border: 1px solid var(--coral); border-radius: var(--radius-sm); padding: 14px; font-size: 13px; }

/* Чаты */
.breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 18px; flex-wrap: wrap; }
.crumb { background: none; border: none; color: var(--text-dim); font-family: var(--font-mono); font-size: 13px; cursor: pointer; padding: 4px 0; }
.crumb:hover { color: var(--accent); }
.crumb.is-current { color: var(--text); font-weight: 700; cursor: default; }
.crumb-sep { color: var(--text-faint); }

.search-row { margin-bottom: 14px; }
.search-input {
  width: 100%; background: var(--bg-card); border: 1px solid var(--border); color: var(--text);
  border-radius: var(--radius-sm); padding: 12px 16px; font-family: var(--font-body); font-size: 14px;
}
.search-input:focus { outline: none; border-color: var(--accent); }

.user-list, .chat-list { display: flex; flex-direction: column; gap: 8px; content-visibility: auto; }
.list-row {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  width: 100%; text-align: left; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); padding: 14px 16px; cursor: pointer; transition: all .15s ease;
  font-family: var(--font-body); color: var(--text);
}
.list-row:hover { border-color: var(--accent); background: var(--accent-dim); }
.list-row__main { display: flex; flex-direction: column; gap: 3px; }
.list-row__title { font-weight: 700; font-size: 14px; }
.list-row__sub { font-size: 12px; color: var(--text-dim); }
.list-row__meta { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; }
.list-row__badge { font-family: var(--font-mono); font-size: 11px; color: var(--teal); background: var(--teal-dim); padding: 2px 8px; border-radius: 999px; }
.list-row__time { font-family: var(--font-mono); font-size: 11px; color: var(--text-faint); }
.edited-mark { font-style: normal; font-size: 10px; color: var(--text-faint); }

.sentinel { height: 1px; }
.list-loader, .loader-box { text-align: center; padding: 16px; color: var(--text-faint); font-size: 12px; font-family: var(--font-mono); }

.profile-block { display: flex; flex-direction: column; gap: 6px; }
.profile-name { font-family: var(--font-display); font-size: 22px; }
.profile-username { color: var(--accent); font-family: var(--font-mono); font-size: 13px; }
.profile-id, .profile-date { color: var(--text-dim); font-size: 12px; }

.quota-value { font-family: var(--font-mono); font-size: 24px; font-weight: 700; margin-bottom: 10px; }
.progress-track { height: 8px; background: var(--bg-elevated); border-radius: 999px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--accent); border-radius: 999px; transition: width .4s ease; }
.progress-fill--teal { background: var(--teal); }

/* Сообщения */
.messages-panel { display: flex; flex-direction: column; gap: 10px; }
.btn-secondary {
  align-self: center; background: var(--bg-card); border: 1px solid var(--border); color: var(--text-dim);
  border-radius: 999px; padding: 8px 18px; font-size: 12px; cursor: pointer; font-family: var(--font-mono);
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

.messages-list { display: flex; flex-direction: column; gap: 12px; max-height: 70vh; overflow-y: auto; padding: 8px 4px; }
.msg-bubble {
  max-width: 72%; padding: 12px 16px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--bg-card); animation: card-in .3s ease both;
}
.msg-bubble--user { align-self: flex-end; border-color: var(--accent); background: var(--accent-dim); }
.msg-bubble--assistant { align-self: flex-start; border-color: var(--teal); background: var(--teal-dim); }
.msg-role { font-family: var(--font-mono); font-size: 10px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-dim); margin-bottom: 6px; }
.msg-content { font-size: 14px; line-height: 1.6; white-space: pre-wrap; word-break: break-word; }
.msg-content code { background: var(--bg-elevated); padding: 1px 6px; border-radius: 4px; font-family: var(--font-mono); font-size: 12px; }
.msg-content pre { background: var(--bg-elevated); padding: 10px; border-radius: 8px; overflow-x: auto; }
.msg-content a { color: var(--accent); }
.msg-time { font-family: var(--font-mono); font-size: 10px; color: var(--text-faint); margin-top: 8px; text-align: right; }

.quick-replies { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 10px; }
.quick-reply-chip {
  display: inline-block; border: 1px solid var(--border-strong); border-radius: 999px;
  padding: 5px 12px; font-size: 12px; color: var(--text-dim); background: var(--bg-elevated);
}

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 999px; }
::-webkit-scrollbar-track { background: transparent; }

/* Логин */
.login-screen { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg); position: relative; overflow: hidden; }
.login-glow { position: absolute; width: 600px; height: 600px; background: radial-gradient(circle, var(--accent-dim), transparent 70%); top: -200px; right: -200px; filter: blur(40px); }
.login-card {
  position: relative; z-index: 1; width: 340px; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 24px; padding: 36px 32px; box-shadow: var(--shadow-card); display: flex; flex-direction: column; gap: 14px;
}
.login-mark { font-size: 28px; color: var(--accent); }
.login-card h1 { font-family: var(--font-display); font-size: 26px; margin: 0; }
.login-card h1 em { color: var(--accent); font-style: italic; }
.login-sub { color: var(--text-dim); font-size: 13px; margin: 0 0 8px; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--text-dim); }
.field input {
  background: var(--bg-elevated); border: 1px solid var(--border); color: var(--text);
  border-radius: var(--radius-sm); padding: 11px 14px; font-family: var(--font-body); font-size: 14px;
}
.field input:focus { outline: none; border-color: var(--accent); }
.btn-primary {
  background: var(--accent); color: #14151a; border: none; border-radius: var(--radius-sm);
  padding: 12px; font-weight: 800; font-size: 14px; cursor: pointer; margin-top: 6px; transition: opacity .15s ease;
}
.btn-primary:hover { opacity: .9; }
.btn-primary:disabled { opacity: .6; cursor: default; }
.login-error { color: var(--coral); font-size: 12px; margin: 0; }

@media (max-width: 960px) {
  .card--span-3, .card--span-4, .card--span-6 { grid-column: span 12; }
  .topbar { padding: 14px 16px; }
  .content { padding: 18px 16px 40px; }
  .msg-bubble { max-width: 88%; }
}