/* ═══════════════════════════════════════════════════════════
   Mortanas Checkout MVP - Stylesheet
   ═══════════════════════════════════════════════════════════ */

:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --bg-input: #0f172a;
    --border: #334155;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --gradient: linear-gradient(135deg, #3b82f6, #8b5cf6);
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --radius: 8px;
    --radius-lg: 16px;
    --shadow: 0 4px 24px rgba(0,0,0,.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ── Layout ──────────────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 640px; margin: 0 auto; padding: 0 24px; }

/* ── Navbar ──────────────────────────────────────────────── */
.navbar {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    padding: 16px 0;
    position: sticky; top: 0; z-index: 100;
}
.navbar .container { display:flex; align-items:center; justify-content:space-between; }
.navbar-brand { font-size:20px; font-weight:700; background:var(--gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.navbar-links { display:flex; gap:24px; align-items:center; }
.navbar-links a { color:var(--text-secondary); font-size:14px; font-weight:500; }
.navbar-links a:hover { color:var(--text-primary); }

/* ── Cards ───────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 10px 20px;
    border: none; border-radius: var(--radius);
    font-size: 14px; font-weight: 600;
    cursor: pointer; text-decoration: none;
    transition: all .2s;
}
.btn-primary { background: var(--gradient); color: #fff; }
.btn-primary:hover { opacity: .9; color:#fff; }
.btn-secondary { background: var(--border); color: var(--text-primary); }
.btn-secondary:hover { background: #475569; color:#fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: .85; color:#fff; }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-block { width: 100%; justify-content: center; }

/* ── Forms ───────────────────────────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-group label { display:block; margin-bottom:6px; font-size:13px; color:var(--text-secondary); font-weight:500; text-transform:uppercase; letter-spacing:.5px; }
.form-control {
    width: 100%; padding: 12px 16px;
    border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--bg-input); color: var(--text-primary);
    font-size: 15px; outline: none;
    transition: border-color .2s;
}
.form-control:focus { border-color: var(--accent); }
select.form-control { appearance:none; cursor:pointer; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%2394a3b8'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 12px center; padding-right:36px; }
textarea.form-control { min-height:100px; resize:vertical; }

/* ── Tables ──────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border:1px solid var(--border); }
table { width:100%; border-collapse:collapse; }
th, td { padding:12px 16px; text-align:left; font-size:14px; border-bottom:1px solid var(--border); }
th { background:#0f172a; color:var(--text-secondary); font-weight:600; font-size:12px; text-transform:uppercase; letter-spacing:.5px; white-space:nowrap; }
tr:hover td { background:rgba(59,130,246,.04); }

/* ── Alerts ──────────────────────────────────────────────── */
.alert { padding:12px 16px; border-radius:var(--radius); margin-bottom:24px; font-size:14px; }
.alert-success { background:#14532d; border:1px solid #22c55e; color:#bbf7d0; }
.alert-error { background:#7f1d1d; border:1px solid #dc2626; color:#fecaca; }
.alert-warning { background:#78350f; border:1px solid #f59e0b; color:#fde68a; }
.alert-info { background:#1e3a5f; border:1px solid #3b82f6; color:#bfdbfe; }

/* ── Page Header ─────────────────────────────────────────── */
.page-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:32px; }
.page-header h1 { font-size:28px; font-weight:700; }

/* ── Stats Grid ──────────────────────────────────────────── */
.stats-grid { display:grid; grid-template-columns:repeat(auto-fit, minmax(200px,1fr)); gap:20px; margin-bottom:32px; }
.stat-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-lg); padding:24px; }
.stat-card .label { font-size:12px; color:var(--text-muted); text-transform:uppercase; letter-spacing:.5px; margin-bottom:8px; }
.stat-card .value { font-size:32px; font-weight:700; }
.stat-card .value.accent { color:var(--accent); }
.stat-card .value.success { color:var(--success); }
.stat-card .value.warning { color:var(--warning); }

/* ── Product Grid ────────────────────────────────────────── */
.product-grid { display:grid; grid-template-columns:repeat(auto-fill, minmax(280px,1fr)); gap:24px; }
.product-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-lg); overflow:hidden; transition:transform .2s, box-shadow .2s; }
.product-card:hover { transform:translateY(-4px); box-shadow:0 12px 40px rgba(0,0,0,.4); }
.product-card img { width:100%; height:200px; object-fit:cover; }
.product-card .info { padding:20px; }
.product-card .info h3 { font-size:18px; margin-bottom:8px; }
.product-card .info .price { font-size:24px; font-weight:700; color:var(--accent); }

/* ── Admin Sidebar ───────────────────────────────────────── */
.admin-layout { display:flex; min-height:100vh; }
.sidebar { width:260px; background:var(--bg-secondary); border-right:1px solid var(--border); padding:24px 0; flex-shrink:0; position:fixed; top:0; left:0; bottom:0; overflow-y:auto; z-index:50; }
.sidebar-brand { padding:0 24px 24px; border-bottom:1px solid var(--border); margin-bottom:16px; }
.sidebar-brand h2 { font-size:18px; background:var(--gradient); -webkit-background-clip:text; -webkit-text-fill-color:transparent; }
.sidebar-brand small { color:var(--text-muted); font-size:12px; }
.sidebar-nav a { display:flex; align-items:center; gap:10px; padding:10px 24px; color:var(--text-secondary); font-size:14px; transition:all .15s; }
.sidebar-nav a:hover, .sidebar-nav a.active { background:rgba(59,130,246,.1); color:var(--accent); border-right:3px solid var(--accent); }
.sidebar-section { padding:8px 24px 4px; font-size:11px; color:var(--text-muted); text-transform:uppercase; letter-spacing:1px; margin-top:12px; }
.admin-main { flex:1; margin-left:260px; padding:32px; }

/* ── Checkout ────────────────────────────────────────────── */
.checkout-summary { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-lg); padding:32px; max-width:560px; margin:40px auto; }
.checkout-summary h2 { font-size:22px; margin-bottom:24px; }
.checkout-item { display:flex; justify-content:space-between; padding:12px 0; border-bottom:1px solid var(--border); }
.checkout-total { display:flex; justify-content:space-between; padding:16px 0 0; font-size:20px; font-weight:700; }

/* ── Misc ────────────────────────────────────────────────── */
.badge { display:inline-block; padding:2px 10px; border-radius:12px; font-size:12px; font-weight:600; }
.badge-active { background:var(--success); color:#fff; }
.badge-passive { background:var(--text-muted); color:#fff; }
.empty-state { text-align:center; padding:60px 20px; color:var(--text-muted); }
.empty-state h3 { font-size:20px; margin-bottom:8px; color:var(--text-secondary); }
.text-right { text-align:right; }
.text-center { text-align:center; }
.mt-1 { margin-top:8px; } .mt-2 { margin-top:16px; } .mt-3 { margin-top:24px; } .mt-4 { margin-top:32px; }
.mb-1 { margin-bottom:8px; } .mb-2 { margin-bottom:16px; } .mb-3 { margin-bottom:24px; }
.flex { display:flex; } .flex-between { display:flex; justify-content:space-between; align-items:center; }
.gap-2 { gap:16px; } .gap-1 { gap:8px; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width:768px) {
    .sidebar { display:none; }
    .admin-main { margin-left:0; }
    .stats-grid { grid-template-columns:1fr 1fr; }
    .product-grid { grid-template-columns:1fr; }
    .page-header { flex-direction:column; gap:16px; align-items:flex-start; }
}