:root {
  --bg-deep: #f0f2f5;
  --bg-primary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f7f8fa;
  --bg-elevated: #f0f2f5;
  --bg-input: #f7f8fa;
  --bg-sidebar: #1a1a2e;
  --bg-sidebar-hover: rgba(255,255,255,0.08);
  --bg-sidebar-active: rgba(176,125,16,0.2);
  --border: rgba(0,0,0,0.1);
  --text-primary: #1a1a2e;
  --text-secondary: #5a6070;
  --text-muted: #9ca3b0;
  --text-sidebar: rgba(255,255,255,0.7);
  --text-sidebar-active: #ffffff;
  --accent: #b07d10;
  --accent-dim: rgba(176,125,16,0.1);
  --accent-glow: rgba(176,125,16,0.05);
  --green: #1a8a3e;
  --green-dim: rgba(26,138,62,0.1);
  --red: #d32f2f;
  --red-dim: rgba(211,47,47,0.08);
  --blue: #1565c0;
  --blue-dim: rgba(21,101,192,0.08);
  --orange: #e67e00;
  --orange-dim: rgba(230,126,0,0.1);
  --purple: #7b1fa2;
  --purple-dim: rgba(123,31,162,0.08);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
  --font: 'Onest', system-ui, -apple-system, sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --sidebar-width: 240px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 15px; }
body { font-family: var(--font); background: var(--bg-deep); color: var(--text-primary); -webkit-font-smoothing: antialiased; min-height: 100vh; overflow-x: hidden; }
#app { min-height: 100vh; }
input, select, textarea, button { font-family: var(--font); }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border-radius: 3px; }
@keyframes fadeIn { from { opacity:0; transform:translateY(12px); } to { opacity:1; transform:translateY(0); } }
@keyframes slideUp { from { opacity:0; transform:translateY(100%); } to { opacity:1; transform:translateY(0); } }
@keyframes slideDown { from { opacity:0; transform:translateY(-20px); } to { opacity:1; transform:translateY(0); } }
@keyframes spin { to { transform:rotate(360deg); } }
.animate-in { animation: fadeIn 0.4s ease-out both; }

/* ═══ LAYOUT ═══ */
.app-shell { display: flex; min-height: 100vh; }

/* Sidebar — hidden on mobile, shown on desktop ≥1025px */
.sidebar { display:none; width:var(--sidebar-width); background:var(--bg-sidebar); flex-shrink:0; position:fixed; top:0; left:0; bottom:0; z-index:200; flex-direction:column; overflow-y:auto; }
.sidebar-logo { padding:24px 20px 16px; display:flex; align-items:center; gap:10px; border-bottom:1px solid rgba(255,255,255,0.08); }
.sidebar-logo-icon { font-size:1.6rem; }
.sidebar-logo-text { color:var(--accent); font-weight:800; font-size:1rem; }
.sidebar-logo-sub { color:var(--text-sidebar); font-size:0.7rem; margin-top:2px; }
.sidebar-nav { flex:1; padding:12px 8px; display:flex; flex-direction:column; gap:2px; overflow-y:auto; }
.sidebar-item { display:flex; align-items:center; gap:12px; padding:11px 16px; border-radius:var(--radius-sm); color:var(--text-sidebar); font-size:0.88rem; font-weight:500; cursor:pointer; transition:all 0.15s; background:none; border:none; width:100%; text-align:left; }
.sidebar-item:hover { background:var(--bg-sidebar-hover); color:var(--text-sidebar-active); }
.sidebar-item.active { background:var(--bg-sidebar-active); color:var(--accent); font-weight:600; }
.sidebar-item svg { width:20px; height:20px; flex-shrink:0; }
.sidebar-user { padding:16px 20px; border-top:1px solid rgba(255,255,255,0.08); display:flex; align-items:center; gap:10px; }
.sidebar-user-avatar { width:34px; height:34px; border-radius:50%; background:rgba(176,125,16,0.3); color:var(--accent); display:flex; align-items:center; justify-content:center; font-weight:700; font-size:0.78rem; }
.sidebar-user-info { flex:1; min-width:0; }
.sidebar-user-name { color:#fff; font-size:0.82rem; font-weight:600; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.sidebar-user-role { color:var(--text-sidebar); font-size:0.7rem; }
.sidebar-logout { background:none; border:none; color:var(--text-sidebar); cursor:pointer; padding:8px; border-radius:var(--radius-sm); transition:all 0.15s; display:flex; align-items:center; }
.sidebar-logout:hover { color:var(--red); background:rgba(211,47,47,0.15); }

/* Sidebar mobile overlay (operator burger opens this) */
.sidebar.mobile-open { display:flex; z-index:210; animation:slideFromLeft 0.25s ease; }
@keyframes slideFromLeft { from { transform:translateX(-100%); } to { transform:translateX(0); } }

/* Overlay behind sidebar */
.sidebar-overlay { display:none; position:fixed; top:0; left:0; right:0; bottom:0; background:rgba(0,0,0,0.4); z-index:205; backdrop-filter:blur(2px); }
.sidebar-overlay.open { display:block; }

/* Main area */
.main-area { flex:1; min-width:0; display:flex; flex-direction:column; }

/* Top header — desktop only */
.top-header { display:none; padding:16px 32px; background:var(--bg-primary); border-bottom:1px solid var(--border); align-items:center; justify-content:space-between; position:sticky; top:0; z-index:100; }
.top-header-title { font-size:1.2rem; font-weight:700; }
.top-header-user { display:flex; align-items:center; gap:10px; }
.top-header-name { font-size:0.85rem; color:var(--text-secondary); font-weight:500; }
.top-header-avatar { width:32px; height:32px; border-radius:50%; background:var(--accent-dim); color:var(--accent); display:flex; align-items:center; justify-content:center; font-weight:700; font-size:0.78rem; }
.top-header-logout { background:none; border:none; color:var(--text-muted); cursor:pointer; padding:6px; border-radius:var(--radius-sm); transition:all 0.15s; display:flex; align-items:center; }
.top-header-logout:hover { color:var(--red); background:var(--red-dim); }

/* Mobile header — shown <1025px */
.mobile-header { padding:12px 16px; background:var(--bg-primary); border-bottom:1px solid var(--border); display:flex; align-items:center; justify-content:space-between; position:sticky; top:0; z-index:100; box-shadow:0 1px 4px rgba(0,0,0,0.05); }
.mobile-header-left { display:flex; align-items:center; gap:10px; }
.mobile-header-title { font-size:1.05rem; font-weight:700; }
.mobile-header-back { background:none; border:none; color:var(--text-secondary); cursor:pointer; padding:4px; display:none; }
.mobile-header-back.visible { display:flex; }
.mobile-header-burger { background:none; border:none; color:var(--text-primary); cursor:pointer; padding:4px; display:flex; align-items:center; }
.mobile-header-user { display:flex; align-items:center; gap:8px; }
.mobile-header-avatar { width:32px; height:32px; border-radius:50%; background:var(--accent-dim); color:var(--accent); display:flex; align-items:center; justify-content:center; font-weight:700; font-size:0.8rem; }
.mobile-header-logout { background:none; border:none; color:var(--text-muted); cursor:pointer; padding:6px; border-radius:var(--radius-sm); transition:all 0.15s; display:flex; align-items:center; }
.mobile-header-logout:hover { color:var(--red); background:var(--red-dim); }

.main-content { flex:1; padding:16px 16px 100px; }

/* Bottom nav — mobile (<1025px), hidden for operator (uses burger) */
.bottom-nav { position:fixed; bottom:0; left:0; right:0; background:var(--bg-primary); border-top:1px solid var(--border); box-shadow:0 -2px 8px rgba(0,0,0,0.06); display:flex; padding:8px 0 calc(8px + env(safe-area-inset-bottom)); z-index:100; }
.nav-item { flex:1; display:flex; flex-direction:column; align-items:center; gap:4px; padding:8px 4px; background:none; border:none; color:var(--text-muted); cursor:pointer; font-size:0.65rem; font-weight:500; transition:all 0.2s; }
.nav-item.active { color:var(--accent); }
.nav-item svg { width:22px; height:22px; }

/* ═══ DESKTOP: ≥1025px — sidebar always, no mobile UI ═══ */
@media (min-width: 1025px) {
  .sidebar { display:flex; }
  .sidebar.mobile-open { animation:none; }
  .main-area { margin-left:var(--sidebar-width); }
  .top-header { display:flex; }
  .mobile-header { display:none; }
  .bottom-nav { display:none; }
  .main-content { padding:24px 32px; }
  .metric-grid { grid-template-columns: repeat(4,1fr); }
  .toast { bottom:40px; }
}

/* ═══ AUTH ═══ */
.auth-screen { min-height:100vh; display:flex; flex-direction:column; align-items:center; justify-content:center; padding:24px; background:radial-gradient(ellipse at 50% 30%, rgba(176,125,16,0.06) 0%, transparent 60%), var(--bg-deep); }
.auth-logo { font-size:3rem; margin-bottom:8px; }
.auth-title { font-size:1.6rem; font-weight:800; color:var(--accent); margin-bottom:4px; }
.auth-subtitle { font-size:0.85rem; color:var(--text-secondary); margin-bottom:40px; }
.auth-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-xl); padding:32px 28px; width:100%; max-width:380px; box-shadow:var(--shadow-lg); }
.auth-card h3 { font-size:1.1rem; font-weight:600; margin-bottom:24px; text-align:center; }
.auth-error { color:var(--red); font-size:0.85rem; text-align:center; margin-top:12px; animation:fadeIn 0.3s; }

/* ═══ COMPONENTS ═══ */
.form-group { margin-bottom:16px; }
.form-label { font-size:0.82rem; font-weight:600; color:var(--text-secondary); margin-bottom:8px; display:block; }
.form-input,.form-select,.form-textarea { width:100%; padding:12px 16px; background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-md); color:var(--text-primary); font-size:0.9rem; outline:none; transition:all 0.2s; }
.form-input:focus,.form-select:focus,.form-textarea:focus { border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-dim); }
.btn-primary { width:100%; padding:14px; background:linear-gradient(135deg,#c99112,#a07510); color:#fff; font-weight:700; font-size:1rem; border:none; border-radius:var(--radius-md); cursor:pointer; transition:all 0.2s; }
.btn-primary:hover { filter:brightness(1.1); transform:translateY(-1px); }
.btn-primary:disabled { opacity:0.4; cursor:not-allowed; transform:none; }
.btn-secondary { padding:10px 20px; background:var(--bg-elevated); border:1px solid var(--border); border-radius:var(--radius-md); color:var(--text-primary); font-weight:500; font-size:0.9rem; cursor:pointer; transition:all 0.2s; }
.btn-secondary:hover { background:var(--bg-card-hover); }
.metric-grid { display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-bottom:20px; }
.metric-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-lg); padding:16px; box-shadow:var(--shadow-sm); }
.metric-label { font-size:0.75rem; color:var(--text-secondary); margin-bottom:6px; font-weight:500; text-transform:uppercase; letter-spacing:0.3px; }
.metric-value { font-size:1.4rem; font-weight:800; font-family:var(--mono); letter-spacing:-0.5px; }
.metric-sub { font-size:0.75rem; color:var(--text-muted); margin-top:4px; }
.section-title { font-size:0.8rem; font-weight:600; color:var(--text-secondary); text-transform:uppercase; letter-spacing:0.5px; margin-bottom:12px; padding-bottom:8px; border-bottom:1px solid var(--border); }
.alert-list { display:flex; flex-direction:column; gap:8px; margin-bottom:20px; }
.alert-item { display:flex; align-items:flex-start; gap:10px; padding:12px 14px; background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-md); font-size:0.85rem; border-left:3px solid var(--orange); }
.alert-item.danger { border-left-color:var(--red); }
.client-card { display:flex; align-items:center; gap:14px; padding:16px; background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-lg); margin-bottom:10px; cursor:pointer; transition:all 0.2s; }
.client-card:hover { border-color:rgba(139,148,158,0.25); background:var(--bg-card-hover); }
.client-avatar { width:44px; height:44px; border-radius:12px; background:var(--accent-dim); color:var(--accent); display:flex; align-items:center; justify-content:center; font-weight:800; font-size:1rem; flex-shrink:0; }
.client-info { flex:1; min-width:0; }
.client-name { font-size:0.95rem; font-weight:600; margin-bottom:3px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.client-meta { font-size:0.8rem; color:var(--text-secondary); }
.detail-tabs { display:flex; gap:4px; margin-bottom:16px; overflow-x:auto; -webkit-overflow-scrolling:touch; padding-bottom:4px; }
.detail-tab { padding:8px 16px; white-space:nowrap; background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-sm); color:var(--text-secondary); font-size:0.82rem; font-weight:500; cursor:pointer; transition:all 0.2s; }
.detail-tab:hover { background:var(--bg-elevated); }
.detail-tab.active { background:var(--accent-dim); color:var(--accent); border-color:var(--accent); }
.view-toggle-btn { flex:1; padding:10px 12px; background:none; border:none; border-radius:var(--radius-sm); color:var(--text-secondary); font-size:0.85rem; font-weight:500; cursor:pointer; transition:all 0.2s; text-align:center; }
.view-toggle-btn.active { background:var(--accent-dim); color:var(--accent); font-weight:600; }
.data-table { width:100%; border-collapse:collapse; font-size:0.85rem; }
.data-table th { text-align:left; padding:10px 12px; background:var(--bg-elevated); color:var(--text-secondary); font-weight:600; font-size:0.75rem; text-transform:uppercase; letter-spacing:0.3px; border-bottom:1px solid var(--border); }
.data-table td { padding:10px 12px; border-bottom:1px solid var(--border); }
.data-table tr:hover td { background:var(--bg-card-hover); }
.search-box { position:relative; }
.filter-chip { padding:8px 14px; background:var(--bg-card); border:1px solid var(--border); border-radius:20px; font-size:0.82rem; color:var(--text-secondary); cursor:pointer; transition:all 0.2s; white-space:nowrap; font-family:var(--font); }
.filter-chip:hover { background:var(--bg-elevated); }
.filter-chip.active { background:var(--accent-dim); color:var(--accent); border-color:var(--accent); }
.empty-state { text-align:center; padding:48px 24px; color:var(--text-muted); }
.empty-state .empty-icon { font-size:3rem; margin-bottom:12px; opacity:0.5; }
.empty-state .empty-text { font-size:0.95rem; font-weight:500; }
.toast { position:fixed; bottom:100px; left:50%; transform:translateX(-50%); padding:12px 24px; background:var(--bg-primary); border:1px solid var(--border); border-radius:var(--radius-md); box-shadow:var(--shadow-lg); z-index:300; animation:slideUp 0.3s; font-size:0.9rem; font-weight:500; }
.toast.success { border-color:var(--green); color:var(--green); }
.toast.error { border-color:var(--red); color:var(--red); }
.loading { display:flex; align-items:center; justify-content:center; padding:48px; color:var(--text-muted); }
.spinner { width:24px; height:24px; border:3px solid var(--border); border-top-color:var(--accent); border-radius:50%; animation:spin 0.6s linear infinite; margin-right:12px; }
.upload-zone { border:2px dashed var(--border); border-radius:var(--radius-xl); padding:48px 24px; text-align:center; cursor:pointer; transition:all 0.3s; background:var(--bg-card); }
.upload-zone:hover,.upload-zone.drag-over { border-color:var(--accent); background:var(--accent-glow); }