/* ── APP SHELL ──────────────────────────────────────────────────*/
.app-shell { display:flex; min-height:100vh; }

/* ── SIDEBAR ────────────────────────────────────────────────────*/
.sidebar { width:var(--sidebar-w); height:100vh; background:var(--bg-surface);
  border-right:1px solid var(--border); display:flex; flex-direction:column;
  position:fixed; top:0; left:0; z-index:100; transition:transform 250ms ease, width 250ms ease; }
.sidebar.collapsed { width:64px; }

.sidebar-logo { display:flex; align-items:center; gap:10px; padding:0 16px;
  border-bottom:1px solid var(--border); height:var(--topbar-h); flex-shrink:0; }
.logo-mark { width:32px; height:32px; flex-shrink:0; }
.logo-text { font-family:var(--font-display); font-size:1.05rem; font-weight:800;
  white-space:nowrap; transition:opacity 200ms ease; }
.logo-text strong { color:var(--accent-orange); }
.sidebar.collapsed .logo-text { opacity:0; width:0; overflow:hidden; }

.sidebar-nav { flex:1; padding:12px 8px; overflow-y:auto; min-height:0; }
.nav-section-label { font-size:0.7rem; font-weight:600; text-transform:uppercase; letter-spacing:0.08em;
  color:var(--text-muted); padding:8px 10px 4px; white-space:nowrap; transition:opacity 200ms; }
.sidebar.collapsed .nav-section-label { opacity:0; }
.nav-item { display:flex; align-items:center; gap:10px; padding:10px; border-radius:var(--radius-md);
  color:var(--text-muted); cursor:pointer; transition:var(--transition); text-decoration:none;
  white-space:nowrap; overflow:hidden; min-height:44px; position:relative; }
.nav-item svg { width:20px; height:20px; flex-shrink:0; }
.nav-item span { font-size:0.9rem; font-weight:500; transition:opacity 200ms; }
.sidebar.collapsed .nav-item span { opacity:0; width:0; }
.nav-item:hover { background:var(--bg-elevated); color:var(--text-primary); }
.nav-item.active { background:var(--accent-green-dim); color:var(--accent-green);
  border-left:3px solid var(--accent-green); padding-left:7px; }
.nav-item.active svg { color:var(--accent-green); }
.nav-item.danger { color:var(--danger); }
.nav-item.danger:hover { background:var(--danger-dim); }
.nav-divider { height:1px; background:var(--border); margin:8px 10px; }

.sidebar-footer { padding:12px 8px; border-top:1px solid var(--border); flex-shrink:0; }
.sidebar-collapse-btn { display:flex; align-items:center; justify-content:center;
  width:100%; height:36px; border-radius:var(--radius-sm); cursor:pointer;
  color:var(--text-muted); transition:var(--transition); }
.sidebar-collapse-btn:hover { background:var(--bg-elevated); color:var(--text-primary); }
.sidebar-collapse-btn svg { width:18px; height:18px; flex-shrink:0; }

/* ── TOPBAR ─────────────────────────────────────────────────────*/
.topbar { height:var(--topbar-h); background:var(--bg-surface); border-bottom:1px solid var(--border);
  display:flex; align-items:center; justify-content:space-between; padding:0 24px;
  position:sticky; top:0; z-index:50; }
.topbar-left { display:flex; align-items:center; gap:12px; }
.hamburger { display:none; width:40px; height:40px; align-items:center; justify-content:center;
  border-radius:var(--radius-sm); cursor:pointer; color:var(--text-muted); transition:var(--transition); }
.hamburger:hover { background:var(--bg-elevated); color:var(--text-primary); }
.topbar-title { font-family:var(--font-display); font-size:1rem; font-weight:700; }
.topbar-right { display:flex; align-items:center; gap:10px; }

/* ── Balance chip ── */
.balance-chip {
  display:flex; align-items:center; gap:8px;
  padding:5px 14px 5px 8px;
  background:linear-gradient(135deg, rgba(16,185,129,0.13) 0%, rgba(5,150,105,0.08) 100%);
  border:1px solid rgba(16,185,129,0.28);
  border-radius:999px;
  cursor:pointer;
  transition:all 180ms ease;
  position:relative;
  overflow:hidden;
}
.balance-chip::before {
  content:'';
  position:absolute; inset:0;
  background:linear-gradient(90deg, transparent 0%, rgba(16,185,129,0.06) 100%);
  opacity:0; transition:opacity 200ms;
}
.balance-chip:hover::before { opacity:1; }
.balance-chip:hover { border-color:rgba(16,185,129,0.5); transform:translateY(-1px); box-shadow:0 4px 16px rgba(16,185,129,0.18); }
.balance-icon {
  width:26px; height:26px; border-radius:50%;
  background:linear-gradient(135deg, #10b981 0%, #059669 100%);
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 2px 8px rgba(16,185,129,0.4);
  flex-shrink:0;
}
.balance-icon svg { width:13px; height:13px; color:#fff; }
.balance-text { display:flex; flex-direction:column; line-height:1; }
.balance-label { font-size:0.6rem; text-transform:uppercase; letter-spacing:0.07em; color:rgba(16,185,129,0.7); font-weight:600; }
.balance-amount { font-size:0.83rem; font-weight:800; color:#10b981; letter-spacing:-0.01em; font-variant-numeric:tabular-nums; }

/* ── User menu ── */
.user-menu { display:flex; align-items:center; gap:9px; cursor:pointer; padding:4px 8px 4px 4px;
  border-radius:999px; transition:all 180ms ease; position:relative;
  border:1px solid transparent; }
.user-menu:hover { background:var(--bg-elevated); border-color:var(--border); }
.user-menu > svg { width:14px; height:14px; color:var(--text-muted); transition:transform 200ms; }
.user-menu:hover > svg { transform:translateY(1px); }

/* ── Avatar ── */
.user-avatar {
  width:34px; height:34px; border-radius:50%; flex-shrink:0;
  display:flex; align-items:center; justify-content:center;
  font-weight:800; font-size:0.8rem; text-transform:uppercase; letter-spacing:0.03em;
  position:relative; overflow:hidden;
}
/* User avatar — warm amber gradient */
.user-avatar:not(.is-admin) {
  background:linear-gradient(135deg, #f59e0b 0%, #d97706 60%, #b45309 100%);
  color:#fff;
  box-shadow:0 2px 10px rgba(245,158,11,0.4);
}
/* Admin avatar — purple/indigo with shield glow */
.user-avatar.is-admin {
  background:linear-gradient(135deg, #8b5cf6 0%, #6d28d9 60%, #4c1d95 100%);
  color:#fff;
  box-shadow:0 2px 10px rgba(139,92,246,0.45);
}
.user-avatar::after {
  content:'';
  position:absolute; inset:0; border-radius:50%;
  background:linear-gradient(180deg, rgba(255,255,255,0.18) 0%, transparent 60%);
  pointer-events:none;
}
/* Admin crown badge rendered via .avatar-badge (see above) */
.user-name { font-size:0.83rem; font-weight:600; }
.user-dropdown { position:absolute; top:calc(100% + 8px); right:0; min-width:180px;
  background:var(--bg-elevated); border:1px solid var(--border-bright); border-radius:var(--radius-md);
  box-shadow:var(--shadow-lg); overflow:hidden; opacity:0; pointer-events:none;
  transform:translateY(-8px); transition:all 150ms ease; z-index:200; }
.user-dropdown.open { opacity:1; pointer-events:all; transform:translateY(0); }
.dropdown-item { display:flex; align-items:center; gap:8px; padding:10px 14px;
  font-size:0.875rem; cursor:pointer; transition:var(--transition); color:var(--text-primary); }
.dropdown-item:hover { background:var(--bg-surface); }
.dropdown-item svg { width:16px; height:16px; color:var(--text-muted); }
.dropdown-item.danger { color:var(--danger); }
.dropdown-divider { height:1px; background:var(--border); }

.avatar-letter { position:relative; z-index:1; }
.avatar-badge {
  position:absolute; bottom:-2px; right:-2px;
  width:15px; height:15px; border-radius:50%;
  background:linear-gradient(135deg, #fcd34d, #f59e0b);
  border:2px solid var(--bg-surface);
  display:none; align-items:center; justify-content:center;
  z-index:2;
}

/* ── MAIN CONTENT ───────────────────────────────────────────────*/
.main-wrapper { margin-left:var(--sidebar-w); flex:1; display:flex; flex-direction:column;
  min-width:0; transition:margin-left 250ms ease; }
.main-wrapper.collapsed { margin-left:64px; }
.main-content { flex:1; padding:24px; max-width:1400px; width:100%; }
.page-header { margin-bottom:24px; }
.page-header h1 { font-size:1.5rem; font-weight:600; letter-spacing:-0.02em; }
.page-header p { color:var(--text-muted); font-size:0.9rem; margin-top:4px; }

/* ── GRID LAYOUTS ───────────────────────────────────────────────*/
.stats-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(200px, 1fr)); gap:16px; margin-bottom:24px; }
.content-grid { display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.content-grid.thirds { grid-template-columns:1fr 1fr 1fr; }
.full-width { grid-column:1/-1; }

/* ── SIDEBAR OVERLAY (mobile) ───────────────────────────────────*/
.sidebar-overlay { display:none; position:fixed; inset:0; background:rgba(0,0,0,0.7);
  backdrop-filter:blur(2px); z-index:99; }

/* ── AUTH PAGE ──────────────────────────────────────────────────*/
.auth-page { height:100vh; display:grid; grid-template-columns:1fr 1fr; overflow:hidden; }
.auth-brand { background:var(--bg-surface); display:flex; flex-direction:column;
  align-items:center; justify-content:center; padding:48px; position:relative; }
.auth-brand::before { content:''; position:absolute; width:600px; height:600px; border-radius:50%;
  background:radial-gradient(circle, rgba(249,115,22,0.1) 0%, transparent 70%);
  top:-200px; left:-200px; animation:pulse-glow 6s ease-in-out infinite; }
.auth-brand::after { content:''; position:absolute; width:400px; height:400px; border-radius:50%;
  background:radial-gradient(circle, rgba(34,197,94,0.08) 0%, transparent 70%);
  bottom:-100px; right:-100px; animation:pulse-glow 8s ease-in-out infinite reverse; }
.auth-brand-content { position:relative; z-index:1; text-align:center; }
.auth-brand-logo { display:flex; align-items:center; gap:12px; justify-content:center; margin-bottom:32px; }
.auth-brand-logo .logo-text { font-family:var(--font-display); font-size:1.8rem; font-weight:700; letter-spacing:-0.02em; }
.auth-brand h2 { font-size:2rem; font-weight:700; margin-bottom:12px; letter-spacing:-0.03em; }
.auth-brand p { color:var(--text-muted); font-size:1rem; max-width:320px; margin:0 auto 32px; }
.trust-badges { display:flex; flex-wrap:wrap; gap:10px; justify-content:center; }
.trust-badge { padding:8px 16px; background:var(--bg-elevated); border:1px solid var(--border-bright);
  border-radius:999px; font-size:0.8rem; font-weight:500; color:var(--text-muted); }
.trust-badge strong { color:var(--accent-green); }
.auth-form-panel { display:flex; align-items:center; justify-content:center; padding:40px;
  background:var(--bg-base); overflow-y:auto; }
.auth-form-card { width:100%; max-width:420px; padding:36px 32px; background:var(--bg-surface);
  border:1px solid var(--border-bright); border-radius:var(--radius-xl);
  box-shadow: 0 24px 64px rgba(0,0,0,0.6); }
.auth-form-card h1 { font-size:1.4rem; font-weight:600; margin-bottom:4px; letter-spacing:-0.02em; }
.auth-form-card .subtitle { color:var(--text-muted); font-size:0.875rem; margin-bottom:20px; }
.auth-tabs { display:flex; gap:0; margin-bottom:18px; border-bottom:1px solid var(--border); }
.auth-tab { padding:10px 20px; font-weight:600; cursor:pointer; color:var(--text-muted);
  border-bottom:2px solid transparent; margin-bottom:-1px; transition:var(--transition); }
.auth-tab.active { color:var(--accent-orange); border-bottom-color:var(--accent-orange); }

/* ── RESPONSIVE ─────────────────────────────────────────────────*/
@media (max-width:1024px) {
  .content-grid, .content-grid.thirds { grid-template-columns:1fr; }
}
@media (max-width:768px) {
  /* Sidebar: slide-in overlay on mobile */
  .sidebar { transform:translateX(-100%); width:var(--sidebar-w) !important; }
  .sidebar.mobile-open { transform:translateX(0); }
  .sidebar-overlay { display:block; opacity:0; pointer-events:none; transition:opacity 250ms; }
  .sidebar-overlay.visible { opacity:1; pointer-events:all; }
  .main-wrapper, .main-wrapper.collapsed { margin-left:0; }
  .hamburger { display:flex; }
  .sidebar-collapse-btn { display:none; }

  /* Spacing */
  .main-content { padding:14px; }
  .page-header { margin-bottom:16px; }
  .page-header h1 { font-size:1.25rem; }
  .page-header p { font-size:0.82rem; }

  /* Auth */
  .auth-page { grid-template-columns:1fr; }
  .auth-brand { display:none; }

  /* Topbar */
  .topbar { padding:0 14px; }
  .user-name { display:none; }

  /* Stats grid: 2 columns on tablet */
  .stats-grid { grid-template-columns:repeat(2, 1fr); gap:10px; }
  .stat-card { padding:14px; }
  .stat-value { font-size:1.3rem; }

  /* Cards */
  .card { padding:14px; }
  .card-title { font-size:0.95rem; }

  /* Tables: horizontal scroll */
  .table-wrapper { overflow-x:auto; -webkit-overflow-scrolling:touch; }
  .table { min-width:500px; font-size:0.82rem; }
  .table th, .table td { padding:8px 10px; }

  /* Buttons in table rows: smaller */
  .table .btn-sm { padding:4px 10px; font-size:0.75rem; }

  /* Generic content grids → single column */
  .content-grid,
  .content-grid.thirds,
  [style*="grid-template-columns:1fr 1fr"],
  [style*="grid-template-columns: 1fr 1fr"] { grid-template-columns:1fr !important; }

  /* Modals: full width */
  .modal { padding:18px; width:calc(100vw - 28px) !important; max-width:100% !important; }

  /* Form inputs: comfortable touch targets */
  .input, .btn { min-height:44px; }
  .btn-sm { min-height:36px; }

  /* Price display */
  .price-display { padding:12px 14px; }
  .price-value { font-size:1.2rem; }
}

@media (max-width:480px) {
  /* Stats: still 2 col but compact */
  .stats-grid { grid-template-columns:1fr 1fr; gap:8px; }
  .stat-card { padding:12px; }
  .stat-value { font-size:1.1rem; }
  .stat-label { font-size:0.72rem; }

  /* Smaller page padding */
  .main-content { padding:10px; }
  .card { padding:12px; }

  /* Modals full screen feel */
  .modal { padding:14px; border-radius:var(--radius-lg) var(--radius-lg) 0 0; }

  /* Pill/badge wrapping */
  .amount-pill { padding:6px 12px; font-size:0.78rem; }
}