/* =====================================================
   platform.css — MATCHES nfc.dubaidigital.site EXACTLY
   Colors: amber-500/600, #0a0a0a bg, Roboto font
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg-main:       #0a0a0a;
  --bg-card:       #171717;
  --bg-card2:      #1c1c1c;
  --bg-secondary:  #262626;
  --amber:         #f59e0b;
  --amber-dark:    #d97706;
  --amber-light:   #fbbf24;
  --gold:          #f59e0b;
  --green:         #22c55e;
  --blue:          #3b82f6;
  --purple:        #a855f7;
  --text-primary:  #ffffff;
  --text-secondary:#a3a3a3;
  --text-muted:    #6b7280;
  --border:        rgba(255,255,255,0.08);
  --border-amber:  rgba(245,158,11,0.3);
  --radius:        12px;
  --radius-sm:     8px;
  --radius-lg:     20px;
  --radius-pill:   9999px;
  --grad-amber:    linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --grad-amber2:   linear-gradient(135deg, #fbbf24 0%, #f59e0b 50%, #d97706 100%);
  --shadow-amber:  0 0 20px rgba(245,158,11,0.4);
  --shadow-card:   0 4px 24px rgba(0,0,0,0.6);
  --font:         'Inter', 'Roboto', system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* ── SCROLLBAR ───────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-main); }
::-webkit-scrollbar-thumb { background: var(--amber-dark); border-radius: 3px; }

/* ── LINKS ───────────────────────────── */
a { color: inherit; text-decoration: none; }

/* ── NAVIGATION ──────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 9000;
  background: rgba(10,10,10,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 14px 20px;
  display: flex; align-items: center; gap: 16px;
}
.nav-logo {
  font-size: 1.1rem; font-weight: 800;
  background: var(--grad-amber);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; letter-spacing: -0.02em;
  flex-shrink: 0;
}
.nav-links { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.nav-link {
  padding: 6px 12px; border-radius: var(--radius-pill);
  font-size: 0.8rem; font-weight: 500; color: var(--text-secondary);
  transition: all 0.2s; white-space: nowrap;
}
.nav-link:hover, .nav-link.active {
  background: rgba(245,158,11,0.12);
  color: var(--amber);
}
.nav-wallet {
  display: flex; align-items: center; gap: 6px;
  background: rgba(245,158,11,0.1);
  border: 1px solid var(--border-amber);
  border-radius: var(--radius-pill);
  padding: 6px 14px;
  font-size: 0.82rem; font-weight: 700; color: var(--amber);
  cursor: pointer; transition: all 0.2s; white-space: nowrap;
}
.nav-wallet:hover { background: rgba(245,158,11,0.2); box-shadow: var(--shadow-amber); }

/* ── PAGE LAYOUT ─────────────────────── */
.page-wrap { padding-top: 70px; min-height: 100vh; }
.container { max-width: 1100px; margin: 0 auto; padding: 32px 20px; }

/* ── CARDS ───────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s;
}
.card:hover { border-color: var(--border-amber); }
.card-amber {
  background: linear-gradient(135deg, rgba(245,158,11,0.08) 0%, rgba(217,119,6,0.04) 100%);
  border: 1px solid var(--border-amber);
  border-radius: var(--radius);
  padding: 24px;
}

/* ── BUTTONS ─────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 12px 24px;
  border-radius: var(--radius-pill);
  font-size: 0.9rem; font-weight: 700;
  font-family: var(--font);
  border: none; cursor: pointer;
  transition: all 0.25s; letter-spacing: 0.01em;
  white-space: nowrap;
}
.btn-amber {
  background: var(--grad-amber);
  color: #000;
  box-shadow: 0 4px 15px rgba(245,158,11,0.3);
}
.btn-amber:hover {
  background: var(--grad-amber2);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(245,158,11,0.5);
}
.btn-amber:active { transform: translateY(0); }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border-amber);
  color: var(--amber);
}
.btn-outline:hover {
  background: rgba(245,158,11,0.1);
  box-shadow: 0 0 20px rgba(245,158,11,0.2);
}
.btn-ghost {
  background: rgba(255,255,255,0.05);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); color: #fff; }
.btn-sm { padding: 8px 16px; font-size: 0.8rem; }
.btn-full { width: 100%; }

/* Legacy aliases */
.btn-gold { background: var(--grad-amber); color: #000; font-weight: 700; border: none; border-radius: var(--radius-pill); padding: 12px 24px; cursor: pointer; font-family: var(--font); transition: all 0.25s; }
.btn-gold:hover { transform: translateY(-2px); box-shadow: var(--shadow-amber); }

/* ── BADGES ──────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 10px; border-radius: var(--radius-pill);
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.04em;
  text-transform: uppercase;
}
.badge-amber  { background: rgba(245,158,11,0.15); color: var(--amber); border: 1px solid rgba(245,158,11,0.3); }
.badge-gold   { background: rgba(245,158,11,0.15); color: var(--amber); border: 1px solid rgba(245,158,11,0.3); }
.badge-green  { background: rgba(34,197,94,0.15);  color: var(--green); border: 1px solid rgba(34,197,94,0.3); }
.badge-blue   { background: rgba(59,130,246,0.15); color: var(--blue);  border: 1px solid rgba(59,130,246,0.3); }
.badge-purple { background: rgba(168,85,247,0.15); color: var(--purple); border: 1px solid rgba(168,85,247,0.3); }

/* ── STATS GRID ──────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  transition: all 0.2s;
}
.stat-card:hover { border-color: var(--border-amber); transform: translateY(-2px); }
.stat-label { font-size: 0.75rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 8px; }
.stat-value { font-size: 1.8rem; font-weight: 900; color: var(--amber); letter-spacing: -0.02em; }

/* ── PRODUCTS ────────────────────────── */
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s;
  display: flex; flex-direction: column;
}
.product-card:hover { border-color: var(--border-amber); transform: translateY(-4px); box-shadow: var(--shadow-card); }
.product-img { width: 100%; height: 200px; object-fit: cover; }
.product-body { padding: 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-name { font-weight: 700; font-size: 0.95rem; line-height: 1.3; }
.product-desc { font-size: 0.78rem; color: var(--text-secondary); line-height: 1.5; flex: 1; }
.product-price { display: flex; align-items: center; gap: 8px; }
.price-current { font-size: 1.2rem; font-weight: 800; color: var(--amber); }
.price-original { font-size: 0.85rem; color: var(--text-muted); text-decoration: line-through; }
.price-discount {
  background: var(--grad-amber); color: #000;
  font-size: 0.7rem; font-weight: 800;
  padding: 3px 8px; border-radius: var(--radius-pill);
}
.nfc-badge {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 10px; border-radius: var(--radius-sm);
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.2);
  font-size: 0.75rem; color: var(--amber); font-weight: 600;
}

/* ── MODAL ───────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 10000;
  background: rgba(0,0,0,0.85);
  display: flex; align-items: flex-end; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.3s;
  backdrop-filter: blur(4px);
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--bg-card);
  border: 1px solid var(--border-amber);
  border-radius: 24px 24px 0 0;
  width: 100%; max-width: 520px;
  padding: 28px 24px 40px;
  max-height: 90vh; overflow-y: auto;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1);
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-title { font-size: 1.2rem; font-weight: 800; margin-bottom: 20px; }
.modal-close {
  position: absolute; top: 16px; right: 20px;
  background: rgba(255,255,255,0.08);
  border: none; color: var(--text-secondary);
  width: 32px; height: 32px; border-radius: 50%;
  cursor: pointer; font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
}
.modal-close:hover { background: rgba(255,255,255,0.15); color: #fff; }

/* ── FORMS ───────────────────────────── */
.form-label { font-size: 0.82rem; font-weight: 600; color: var(--text-secondary); display: block; margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.05em; }
.form-input {
  width: 100%; padding: 12px 16px;
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text-primary);
  font-size: 0.9rem; font-family: var(--font);
  transition: border-color 0.2s; outline: none;
}
.form-input:focus { border-color: var(--amber); box-shadow: 0 0 0 3px rgba(245,158,11,0.15); }
.form-group { margin-bottom: 20px; }

/* ── TOGGLE ──────────────────────────── */
.toggle { position: relative; display: inline-block; width: 44px; height: 24px; flex-shrink: 0; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; cursor: pointer; inset: 0;
  background: var(--bg-secondary); border-radius: 24px;
  transition: 0.3s; border: 1px solid var(--border);
}
.toggle-slider:before {
  content: ''; position: absolute;
  height: 18px; width: 18px; left: 2px; bottom: 2px;
  background: var(--text-muted); border-radius: 50%; transition: 0.3s;
}
.toggle input:checked + .toggle-slider { background: rgba(245,158,11,0.2); border-color: var(--amber); }
.toggle input:checked + .toggle-slider:before { transform: translateX(20px); background: var(--amber); }

/* ── TRANSACTIONS ────────────────────── */
.tx-item {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 0; border-bottom: 1px solid var(--border);
}
.tx-item:last-child { border-bottom: none; }
.tx-icon { width: 42px; height: 42px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.1rem; flex-shrink: 0; }
.tx-info { flex: 1; }
.tx-title { font-weight: 600; font-size: 0.9rem; }
.tx-date  { font-size: 0.75rem; color: var(--text-secondary); margin-top: 2px; }
.tx-amount { font-weight: 800; font-size: 1rem; }
.tx-credit { color: var(--green); }
.tx-debit  { color: #f87171; }

/* ── LEADERBOARD ─────────────────────── */
.podium { display: flex; align-items: flex-end; justify-content: center; gap: 16px; margin-bottom: 40px; }
.podium-item { display: flex; flex-direction: column; align-items: center; text-align: center; }
.podium-card {
  border-radius: var(--radius); padding: 16px 12px;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  min-width: 90px;
}
.podium-1 { background: linear-gradient(135deg, rgba(245,158,11,0.2), rgba(217,119,6,0.1)); border: 1px solid rgba(245,158,11,0.4); }
.podium-2 { background: linear-gradient(135deg, rgba(156,163,175,0.15), rgba(107,114,128,0.08)); border: 1px solid rgba(156,163,175,0.3); }
.podium-3 { background: linear-gradient(135deg, rgba(180,83,9,0.15), rgba(146,64,14,0.08)); border: 1px solid rgba(180,83,9,0.3); }
.podium-rank { font-size: 2rem; }
.podium-name { font-weight: 700; font-size: 0.82rem; }
.podium-amount { font-size: 0.85rem; font-weight: 800; color: var(--amber); }
.podium-bar {
  background: var(--bg-secondary); border: 1px solid var(--border);
  width: 100%; border-radius: 4px 4px 0 0; margin-top: 8px;
}

/* ── LEADERBOARD TABLE ───────────────── */
.lb-row {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 16px; border-radius: var(--radius-sm);
  transition: background 0.2s; margin-bottom: 6px;
}
.lb-row:hover { background: rgba(255,255,255,0.03); }
.lb-row.highlight { background: rgba(245,158,11,0.07); border: 1px solid rgba(245,158,11,0.15); }
.lb-rank { font-size: 1.1rem; font-weight: 900; min-width: 36px; text-align: center; }
.lb-name { flex: 1; font-weight: 600; font-size: 0.9rem; }
.lb-earned { font-weight: 800; color: var(--amber); }

/* ── ANIMATIONS ──────────────────────── */
@keyframes slideUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes pulse-amber {
  0%, 100% { box-shadow: 0 0 0 0 rgba(245,158,11,0.4); }
  50%       { box-shadow: 0 0 0 12px rgba(245,158,11,0); }
}
.animate-in { animation: slideUp 0.5s ease forwards; }
.animate-fade { animation: fadeIn 0.4s ease forwards; }

/* ── SKELETON ────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-secondary) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

/* ── TOASTS ──────────────────────────── */
.toast-container { position: fixed; top: 80px; right: 16px; z-index: 99999; display: flex; flex-direction: column; gap: 8px; }
.toast {
  padding: 12px 18px; border-radius: var(--radius-pill);
  font-size: 0.875rem; font-weight: 600;
  display: flex; align-items: center; gap: 8px;
  animation: toastIn 0.3s ease, toastOut 0.3s ease 2.7s forwards;
  max-width: 320px;
}
@keyframes toastIn  { from { opacity:0; transform: translateX(20px); } to { opacity:1; transform: translateX(0); } }
@keyframes toastOut { to   { opacity:0; transform: translateX(20px); } }
.toast-success { background: rgba(34,197,94,0.15); border: 1px solid rgba(34,197,94,0.3); color: #4ade80; }
.toast-error   { background: rgba(239,68,68,0.15);  border: 1px solid rgba(239,68,68,0.3);  color: #f87171; }
.toast-info    { background: rgba(245,158,11,0.15); border: 1px solid rgba(245,158,11,0.3); color: var(--amber); }

/* ── DIVIDER ─────────────────────────── */
.divider-amber { border: none; border-top: 1px solid var(--border-amber); margin: 32px 0; opacity: 0.4; }

/* ── MISC HELPERS ────────────────────── */
.text-center   { text-align: center; }
.text-muted    { color: var(--text-secondary); }
.gradient-text { background: var(--grad-amber); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.float-points  { position: fixed; pointer-events: none; font-weight: 900; font-size: 1.1rem; color: var(--amber); z-index: 99999; animation: floatUp 1.2s ease forwards; }
@keyframes floatUp { from { opacity:1; transform: translateY(0); } to { opacity:0; transform: translateY(-80px); } }

/* ── RESPONSIVE ──────────────────────── */
@media (max-width: 640px) {
  .container { padding: 20px 16px; }
  .nav-links { display: none; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .modal { padding: 24px 16px 36px; }
  .podium { gap: 8px; }
  .podium-card { min-width: 72px; padding: 12px 8px; }
  .btn { padding: 10px 18px; font-size: 0.85rem; }
}