:root {
  --bg: #0d0f14;
  --bg-card: #13161e;
  --bg-hover: #1a1e28;
  --border: #1f2433;
  --border-light: #252b3b;
  --accent: #f0b429;
  --accent-dim: rgba(240, 180, 41, 0.12);
  --accent-glow: rgba(240, 180, 41, 0.25);
  --green: #22c55e;
  --green-dim: rgba(34, 197, 94, 0.12);
  --red: #ef4444;
  --red-dim: rgba(239, 68, 68, 0.12);
  --blue: #3b82f6;
  --blue-dim: rgba(59, 130, 246, 0.12);
  --text: #e8eaf0;
  --text-muted: #6b7280;
  --text-dim: #9ca3af;
  --sidebar-w: 220px;
  --radius: 12px;
  --font-display: 'Unbounded', sans-serif;
  --font-body: 'Golos Text', sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; background: var(--bg); color: var(--text); font-family: var(--font-body); font-size: 14px; line-height: 1.6; }
.sidebar { position: fixed; left: 0; top: 0; bottom: 0; width: var(--sidebar-w); background: var(--bg-card); border-right: 1px solid var(--border); display: flex; flex-direction: column; z-index: 100; }
.sidebar-logo { display: flex; align-items: center; justify-content: center; padding: 24px 20px 20px; border-bottom: 1px solid var(--border); }
.logo-name { font-family: 'Nunito', sans-serif; font-weight: 900; font-size: 28px; color: var(--text); letter-spacing: 0.03em; }
.sidebar-nav { flex: 1; padding: 16px 12px; display: flex; flex-direction: column; gap: 4px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px; color: var(--text-muted); text-decoration: none; font-weight: 500; font-size: 13px; transition: all 0.15s; }
.nav-item svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.nav-item:hover { background: var(--bg-hover); color: var(--text); }
.nav-item.active { background: var(--accent-dim); color: var(--accent); border: 1px solid var(--accent-glow); }
.sidebar-rate { padding: 16px 20px; border-top: 1px solid var(--border); }
.rate-label { font-size: 10px; letter-spacing: 0.1em; color: var(--text-muted); text-transform: uppercase; margin-bottom: 4px; }
.rate-value { font-family: var(--font-display); font-size: 18px; font-weight: 600; color: var(--accent); }
.main-content { margin-left: var(--sidebar-w); min-height: 100vh; display: flex; flex-direction: column; }
.top-bar { position: sticky; top: 0; background: rgba(13,15,20,0.85); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); padding: 0 28px; height: 56px; display: flex; align-items: center; justify-content: space-between; z-index: 50; }
.page-title { font-family: var(--font-display); font-size: 14px; font-weight: 600; letter-spacing: 0.05em; color: var(--text); }
.top-bar-right { display: flex; align-items: center; gap: 12px; }
.date-badge { font-size: 12px; color: var(--text-muted); background: var(--bg-card); border: 1px solid var(--border); padding: 4px 10px; border-radius: 20px; }
.user-badge { font-size: 12px; color: var(--text-muted); background: var(--bg-card); border: 1px solid var(--border); padding: 4px 12px; border-radius: 20px; max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.btn-icon { width: 32px; height: 32px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; color: var(--text-muted); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.15s; }
.btn-icon:hover { color: var(--text); border-color: var(--border-light); }
.btn-icon svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.content-body { padding: 28px; flex: 1; }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.metric-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; position: relative; overflow: hidden; transition: border-color 0.2s; }
.metric-card:hover { border-color: var(--border-light); }
.metric-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--card-accent, var(--accent)); opacity: 0.6; }
.metric-card.green { --card-accent: var(--green); }
.metric-card.blue  { --card-accent: var(--blue); }
.metric-card.red   { --card-accent: var(--red); }
.metric-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 10px; }
.metric-value { font-family: var(--font-display); font-size: 26px; font-weight: 600; color: var(--text); line-height: 1.1; margin-bottom: 6px; }
.metric-sub { font-size: 12px; color: var(--text-dim); }
.metric-badge { display: inline-flex; align-items: center; gap: 3px; font-size: 11px; font-weight: 600; padding: 2px 7px; border-radius: 20px; margin-left: 8px; }
.badge-green { background: var(--green-dim); color: var(--green); }
.badge-red   { background: var(--red-dim);   color: var(--red); }
.badge-yellow{ background: var(--accent-dim); color: var(--accent); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 24px; }
.three-col { display: grid; grid-template-columns: 2fr 1fr; gap: 16px; margin-bottom: 24px; }
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.card-header { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.card-title { font-family: var(--font-display); font-size: 12px; font-weight: 600; letter-spacing: 0.06em; color: var(--text); text-transform: uppercase; }
.card-body { padding: 20px; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th { text-align: left; font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); padding: 0 12px 10px; font-weight: 600; }
.data-table th:first-child { padding-left: 20px; }
.data-table th:last-child { padding-right: 20px; text-align: right; }
.data-table td { padding: 10px 12px; border-top: 1px solid var(--border); font-size: 13px; color: var(--text-dim); }
.data-table td:first-child { padding-left: 20px; color: var(--text); }
.data-table td:last-child { padding-right: 20px; text-align: right; }
.data-table tr:hover td { background: var(--bg-hover); }
.progress-row { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.progress-row:last-child { border-bottom: none; }
.progress-label { flex: 1; font-size: 13px; color: var(--text); }
.progress-track { flex: 2; height: 4px; background: var(--border); border-radius: 2px; overflow: hidden; }
.progress-fill { height: 100%; background: var(--accent); border-radius: 2px; transition: width 0.6s ease; }
.progress-val { font-family: var(--font-display); font-size: 12px; font-weight: 600; color: var(--accent); width: 60px; text-align: right; }
.chart-wrap { position: relative; height: 200px; }
.dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 6px; }
.dot-green { background: var(--green); }
.dot-yellow { background: var(--accent); }
.dot-red { background: var(--red); }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 8px; font-size: 13px; font-weight: 500; cursor: pointer; transition: all 0.15s; border: 1px solid transparent; font-family: var(--font-body); }
.btn-primary { background: var(--accent); color: #000; border-color: var(--accent); }
.btn-primary:hover { background: #f5c842; }
.btn-outline { background: transparent; color: var(--text-dim); border-color: var(--border-light); }
.btn-outline:hover { color: var(--text); border-color: var(--text-muted); }
.upload-area { border: 2px dashed var(--border-light); border-radius: var(--radius); padding: 32px; text-align: center; cursor: pointer; transition: all 0.2s; color: var(--text-muted); }
.upload-area:hover, .upload-area.dragover { border-color: var(--accent); background: var(--accent-dim); color: var(--accent); }
.alert { padding: 12px 16px; border-radius: 8px; font-size: 13px; margin-bottom: 16px; border: 1px solid; }
.alert-warning { background: var(--accent-dim); border-color: var(--accent-glow); color: var(--accent); }
.alert-success { background: var(--green-dim); border-color: rgba(34,197,94,0.25); color: var(--green); }
.skeleton { background: linear-gradient(90deg, var(--border) 25%, var(--border-light) 50%, var(--border) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: 4px; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
/* ── Hamburger (desktop: hidden) ──────────────────────────────────────── */
.hamburger { display:none; }

/* ── Sidebar overlay (mobile drawer backdrop) ─────────────────────────── */
.sidebar-overlay {
  display:none; position:fixed; inset:0;
  background:rgba(0,0,0,0.55); z-index:190;
  backdrop-filter:blur(2px);
}

/* ── Bottom nav (mobile only) ─────────────────────────────────────────── */
.mobile-nav { display:none; }

/* ══════════════════════════════════════════════════════════════════════
   TABLET  ≤1100px
   ══════════════════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  :root { --sidebar-w: 200px; }
  .metrics-grid { grid-template-columns: repeat(3, 1fr); }
  .content-body { padding: 20px 22px; }
}
@media (max-width: 900px) {
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ══════════════════════════════════════════════════════════════════════
   MOBILE  ≤768px
   ══════════════════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
  :root { --sidebar-w: 268px; }

  /* ── Sidebar drawer ──────────────────────────────────────────────── */
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.26s cubic-bezier(0.4,0,0.2,1);
    z-index: 200;
    box-shadow: 6px 0 28px rgba(0,0,0,0.55);
  }
  body.nav-open .sidebar         { transform: translateX(0); }
  body.nav-open .sidebar-overlay { display: block; }

  /* ── Main content ────────────────────────────────────────────────── */
  .main-content { margin-left: 0; padding-bottom: 60px; }
  .content-body { padding: 14px 14px 20px; }

  /* ── Top bar ─────────────────────────────────────────────────────── */
  .top-bar { padding: 0 12px; gap: 8px; }
  .hamburger {
    display: flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; flex-shrink: 0;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 8px; color: var(--text-muted); cursor: pointer;
    transition: all 0.15s;
  }
  .hamburger:hover { color: var(--text); border-color: var(--border-light); }
  .hamburger svg { width: 16px; height: 16px; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; }
  .date-badge { display: none; }
  .user-badge { max-width: 90px; font-size: 11px; }
  .page-title { font-size: 12px; }

  /* ── Metric cards ────────────────────────────────────────────────── */
  .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 14px; }
  .metric-card  { padding: 14px 12px; }
  .metric-value { font-size: 19px; }
  .metric-sub, .metric-label { font-size: 11px; }

  /* ── Layout grids ────────────────────────────────────────────────── */
  .two-col, .three-col { grid-template-columns: 1fr; gap: 12px; }

  /* ── Cards + tables: horizontal scroll ──────────────────────────── */
  .card { overflow-x: auto; }
  .data-table { min-width: max-content; }

  /* ── Chart ───────────────────────────────────────────────────────── */
  .chart-wrap { height: 160px; }

  /* ── Bottom navigation ───────────────────────────────────────────── */
  .mobile-nav {
    display: flex;
    position: fixed; bottom: 0; left: 0; right: 0;
    background: var(--bg-card); border-top: 1px solid var(--border);
    z-index: 150; height: 56px; align-items: stretch;
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }
  .mobile-nav-item {
    flex: 1; display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 3px; text-decoration: none;
    color: var(--text-muted); font-size: 9px; font-weight: 500;
    padding: 6px 2px; transition: color 0.15s; position: relative;
    letter-spacing: 0.01em;
  }
  .mobile-nav-item svg {
    width: 20px; height: 20px; stroke: currentColor; fill: none;
    stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round;
    flex-shrink: 0;
  }
  .mobile-nav-item.active { color: var(--accent); }
  .mobile-nav-item.active::before {
    content: ''; position: absolute; top: 0; left: 20%; right: 20%;
    height: 2px; background: var(--accent); border-radius: 0 0 3px 3px;
  }
}

/* ══════════════════════════════════════════════════════════════════════
   SMALL PHONE  ≤420px
   ══════════════════════════════════════════════════════════════════════ */
@media (max-width: 420px) {
  .metrics-grid { grid-template-columns: 1fr; }
  .mobile-nav-item span { display: none; }
  .mobile-nav-item svg  { width: 22px; height: 22px; }
}

/* ── Tab rows: horizontal scroll on mobile ────────────────────────────── */
@media (max-width: 768px) {
  .hyp-tabs-nav,
  .tabs-nav,
  .period-tabs {
    overflow-x: auto; overflow-y: visible;
    flex-wrap: nowrap; scrollbar-width: none;
    -ms-overflow-style: none; padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }
  .hyp-tabs-nav::-webkit-scrollbar,
  .tabs-nav::-webkit-scrollbar,
  .period-tabs::-webkit-scrollbar { display: none; }
  .hyp-tab-btn, .tabs-nav button, .period-tab { white-space: nowrap; flex-shrink: 0; }
}