:root {
  --brand: #10B981;
  --brand-600: #059669;
  --brand-rgb: 16, 185, 129;

  --bg: #F8FAFC;
  --surface: #FFFFFF;
  --surface-2: #F1F5F9;
  --text: #0F172A;
  --text-2: #64748B;
  --border: rgba(15, 23, 42, 0.08);
  --shadow: 0 4px 24px -4px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 40px -8px rgba(15, 23, 42, 0.14);
  --success: #059669;
  --danger: #E11D48;
  --warning: #D97706;
  --info: #2563EB;
  --bg-rgb: 248, 250, 252;
  --surface-rgb: 255, 255, 255;
}

.dark {
  --bg: #0A0A0B;
  --surface: #151517;
  --surface-2: #1F1F23;
  --text: #F8FAFC;
  --text-2: #94A3B8;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 8px 32px -8px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 48px -8px rgba(0, 0, 0, 0.6);
  --success: #10B981;
  --danger: #F43F5E;
  --warning: #F59E0B;
  --info: #3B82F6;
  --bg-rgb: 10, 10, 11;
  --surface-rgb: 21, 21, 23;
}

* { -webkit-tap-highlight-color: transparent; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Manrope', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background-color 0.3s ease, color 0.3s ease;
}
h1,h2,h3,h4,h5,.font-head { font-family: 'Outfit', sans-serif; letter-spacing: -0.02em; }
.font-mono { font-family: 'JetBrains Mono', monospace; }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 20px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-2); }

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
}
.card-pad { padding: 1.5rem; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-weight: 600; font-size: 0.9rem; border-radius: 10px;
  padding: 0.65rem 1.2rem; cursor: pointer; border: 1px solid transparent;
  transition: transform 0.15s ease, background-color 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover { background: var(--brand-600); box-shadow: 0 8px 20px -6px rgba(var(--brand-rgb), 0.6); }
.btn-ghost { background: var(--surface-2); color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: var(--border); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: 0.9; }
.btn-success { background: var(--success); color: #fff; }
.btn-pill { border-radius: 9999px; padding: 0.8rem 1.6rem; }
.btn-block { width: 100%; }
.btn[disabled], .btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Inputs */
.input, .form-input, textarea.input, select.input {
  width: 100%; background: var(--surface); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px;
  padding: 0.7rem 0.9rem; font-size: 0.92rem; outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.input:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(var(--brand-rgb), 0.15); }
.label { display:block; font-size: 0.8rem; font-weight: 600; color: var(--text-2); margin-bottom: 0.4rem; }
.field-error { color: var(--danger); font-size: 0.78rem; margin-top: 0.3rem; }

/* Badges */
.badge { display:inline-flex; align-items:center; gap:0.3rem; font-size:0.72rem; font-weight:700; padding:0.28rem 0.7rem; border-radius:9999px; text-transform: capitalize; }
.badge-success { background: rgba(16,185,129,0.12); color: var(--success); }
.badge-danger { background: rgba(244,63,94,0.12); color: var(--danger); }
.badge-warning { background: rgba(245,158,11,0.14); color: var(--warning); }
.badge-info { background: rgba(59,130,246,0.14); color: var(--info); }
.badge-muted { background: var(--surface-2); color: var(--text-2); }

/* Stat card */
.stat-card { background: var(--surface); border:1px solid var(--border); border-radius:16px; padding:1.25rem; box-shadow: var(--shadow); position:relative; overflow:hidden; transition: transform 0.18s ease, box-shadow 0.2s ease; }
.stat-card::before { content:''; position:absolute; top:0; left:0; right:0; height:3px; background:linear-gradient(90deg, var(--brand), transparent); opacity:0; transition:opacity .2s ease; }
.stat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.stat-card:hover::before { opacity:1; }
.stat-icon { width:44px; height:44px; border-radius:12px; display:flex; align-items:center; justify-content:center; font-size:1.4rem; }
.stat-value { font-family:'Outfit',sans-serif; font-size:1.9rem; font-weight:700; line-height:1; }
.stat-label { color: var(--text-2); font-size:0.82rem; font-weight:600; }

.text-muted { color: var(--text-2); }
.divider { height:1px; background: var(--border); }

/* Admin layout */
.admin-sidebar { background: var(--surface); border-right:1px solid var(--border); }
.nav-link { display:flex; align-items:center; gap:0.75rem; padding:0.6rem 0.9rem; border-radius:10px; color: var(--text-2); font-weight:600; font-size:0.9rem; transition: background-color 0.15s ease, color 0.15s ease; }
.nav-link:hover { background: var(--surface-2); color: var(--text); }
.nav-link.active { background: rgba(var(--brand-rgb),0.12); color: var(--brand); }
.nav-link i { font-size:1.2rem; }
.nav-section { font-size:0.68rem; font-weight:700; text-transform:uppercase; letter-spacing:0.08em; color: var(--text-2); padding: 0.5rem 0.9rem 0.3rem; opacity:0.7; }

/* Topbar */
.topbar { background: rgba(var(--surface-rgb), 0.8); backdrop-filter: blur(16px); border-bottom:1px solid var(--border); }

/* Mobile bottom nav */
.bottom-nav { position: fixed; bottom:0; left:0; right:0; z-index:40; background: rgba(var(--surface-rgb),0.85); backdrop-filter: blur(18px); border-top:1px solid var(--border); display:flex; }
.bottom-nav a { flex:1; display:flex; flex-direction:column; align-items:center; gap:2px; padding:0.55rem 0; color:var(--text-2); font-size:0.66rem; font-weight:600; position:relative; }
.bottom-nav a i { font-size:1.45rem; }
.bottom-nav a.active { color: var(--brand); }
.bottom-nav a.active::before { content:''; position:absolute; top:0; width:26px; height:3px; border-radius:3px; background: var(--brand); }

/* Tables */
.table { width:100%; border-collapse: collapse; }
.table th { text-align:left; font-size:0.72rem; text-transform:uppercase; letter-spacing:0.04em; color:var(--text-2); padding:0.75rem 1rem; border-bottom:1px solid var(--border); font-weight:700; }
.table td { padding:0.85rem 1rem; border-bottom:1px solid var(--border); font-size:0.9rem; }
.table tr:last-child td { border-bottom:none; }
.table tbody tr { transition: background-color 0.15s ease; }
.table tbody tr:hover { background: var(--surface-2); }

/* Toasts */
#toast-wrap { position: fixed; z-index: 90; display:flex; flex-direction:column; gap:0.6rem; }
.toast { background: var(--surface); border:1px solid var(--border); border-left:4px solid var(--brand); border-radius:12px; padding:0.85rem 1.1rem; box-shadow: var(--shadow-lg); display:flex; align-items:center; gap:0.7rem; min-width:260px; max-width:360px; animation: toastIn 0.35s cubic-bezier(0.2,0.8,0.2,1); }
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }
.toast.info { border-left-color: var(--info); }
.toast i { font-size:1.35rem; }
@keyframes toastIn { from { opacity:0; transform: translateY(-12px); } to { opacity:1; transform:none; } }

/* Modal */
.modal-backdrop { position:fixed; inset:0; background: rgba(0,0,0,0.5); backdrop-filter: blur(4px); z-index:60; display:none; align-items:center; justify-content:center; padding:1rem; }
.modal-backdrop.open { display:flex; }
.modal { background: var(--surface); border:1px solid var(--border); border-radius:18px; width:100%; max-width:480px; box-shadow: var(--shadow-lg); animation: modalIn 0.3s cubic-bezier(0.2,0.8,0.2,1); max-height: 92vh; overflow-y:auto; }
@keyframes modalIn { from { opacity:0; transform: translateY(16px) scale(0.98); } to { opacity:1; transform:none; } }
@media (max-width: 640px) {
  .modal { max-width:100%; border-radius:22px 22px 0 0; align-self:flex-end; }
  .modal-backdrop { align-items:flex-end; padding:0; }
}

/* Animations */
.reveal { opacity:0; transform: translateY(20px); animation: reveal 0.6s ease forwards; }
@keyframes reveal { to { opacity:1; transform:none; } }
.hover-lift { transition: transform 0.18s ease, box-shadow 0.2s ease; }
.hover-lift:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

/* Skeleton */
.skeleton { background: linear-gradient(90deg, var(--surface-2) 25%, var(--border) 50%, var(--surface-2) 75%); background-size: 200% 100%; animation: shimmer 1.4s infinite; border-radius:8px; }
@keyframes shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

/* Wallet card */
.wallet-card { background: linear-gradient(135deg, #0f766e, #10B981 55%, #34d399); color:#fff; border-radius:22px; padding:1.6rem; position:relative; overflow:hidden; box-shadow: 0 18px 40px -12px rgba(var(--brand-rgb),0.6); }
.wallet-card::after { content:''; position:absolute; right:-40px; top:-40px; width:180px; height:180px; background: radial-gradient(circle, rgba(255,255,255,0.25), transparent 70%); }

.hero-glow { background: radial-gradient(circle at 50% 0%, rgba(var(--brand-rgb),0.18), transparent 60%); }

/* Timer ring */
.timer-ring { transform: rotate(-90deg); }
.timer-ring circle { transition: stroke-dashoffset 1s linear; }

.container-app { max-width: 1280px; margin: 0 auto; }
.tab { padding:0.5rem 1rem; border-radius:9999px; font-weight:600; font-size:0.85rem; color:var(--text-2); border:1px solid transparent; }
.tab.active { background: var(--surface); color: var(--brand); border-color: var(--border); box-shadow: var(--shadow); }