@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --bg: #0b0b14;
    --bg-soft: #12121f;
    --card: rgba(255,255,255,0.04);
    --border: rgba(255,255,255,0.08);
    --text: #e8e8f0;
    --muted: #8b8ba3;
    --purple: #8b5cf6;
    --cyan: #22d3ee;
    --success: #34d399;
    --danger: #f87171;
    --radius: 14px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    background-image:
        radial-gradient(circle at 15% 10%, rgba(139,92,246,0.16), transparent 40%),
        radial-gradient(circle at 85% 30%, rgba(34,211,238,0.12), transparent 45%);
    background-attachment: fixed;
    color: var(--text);
    font-family: 'Space Grotesk', sans-serif;
    line-height: 1.5;
}

a { color: inherit; text-decoration: none; }

.container { max-width: 1100px; margin: 0 auto; padding: 32px 20px 80px; }

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 32px;
    border-bottom: 1px solid var(--border);
    background: rgba(11,11,20,0.85);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 10;
    flex-wrap: wrap;
    gap: 12px;
}

.brand {
    font-weight: 700;
    font-size: 1.25rem;
    background: linear-gradient(90deg, var(--purple), var(--cyan));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.nav-links { display: flex; align-items: center; gap: 18px; font-size: 0.92rem; flex-wrap: wrap; }
.nav-links a:hover { color: var(--cyan); }

.saldo-pill {
    background: var(--card);
    border: 1px solid var(--border);
    padding: 6px 14px;
    border-radius: 999px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
}

.btn-solid, .btn-outline, button.btn-solid, button.btn-outline {
    padding: 9px 18px;
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn-solid {
    background: linear-gradient(90deg, var(--purple), var(--cyan));
    color: #0b0b14;
}
.btn-solid:hover { opacity: 0.9; }

.btn-outline {
    background: transparent;
    border-color: var(--border);
    color: var(--text);
}
.btn-outline:hover { border-color: var(--cyan); }

.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    backdrop-filter: blur(6px);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 18px;
    margin-top: 24px;
}

.product-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.product-card img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    background: var(--bg-soft);
}

.product-card .body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-card .cat { font-size: 0.72rem; color: var(--cyan); font-family: 'JetBrains Mono', monospace; }
.product-card h3 { margin: 0; font-size: 1rem; }
.product-card .price { font-family: 'JetBrains Mono', monospace; color: var(--success); font-weight: 500; margin-top: auto; }

.page-title { font-size: 1.7rem; font-weight: 700; margin-bottom: 4px; }
.page-sub { color: var(--muted); margin-bottom: 8px; }

.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 0.88rem; color: var(--muted); }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 11px 14px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--bg-soft);
    color: var(--text);
    font-family: inherit;
    font-size: 0.95rem;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--cyan);
}

.auth-box { max-width: 380px; margin: 40px auto; }

.flash {
    max-width: 1100px;
    margin: 16px auto 0;
    padding: 12px 18px;
    border-radius: 10px;
    font-size: 0.9rem;
}
.flash-success { background: rgba(52,211,153,0.12); border: 1px solid rgba(52,211,153,0.35); color: var(--success); }
.flash-error { background: rgba(248,113,113,0.12); border: 1px solid rgba(248,113,113,0.35); color: var(--danger); }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--border); text-align: left; }
th { color: var(--muted); font-weight: 500; font-family: 'JetBrains Mono', monospace; font-size: 0.78rem; }

.badge { padding: 3px 10px; border-radius: 999px; font-size: 0.75rem; font-family: 'JetBrains Mono', monospace; }
.badge-pending { background: rgba(251,191,36,0.15); color: #fbbf24; }
.badge-success, .badge-completed { background: rgba(52,211,153,0.15); color: var(--success); }
.badge-failed, .badge-cancelled, .badge-expired { background: rgba(248,113,113,0.15); color: var(--danger); }
.badge-processing { background: rgba(34,211,238,0.15); color: var(--cyan); }

.qr-box { text-align: center; }
.qr-box img { width: 220px; height: 220px; margin: 16px auto; border-radius: 10px; background: #fff; padding: 10px; }
.qr-status { font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; color: var(--muted); margin-top: 10px; }

.admin-tabs { display: flex; gap: 10px; margin-bottom: 22px; flex-wrap: wrap; }
.admin-tabs a { padding: 8px 16px; border-radius: 10px; background: var(--card); border: 1px solid var(--border); font-size: 0.88rem; }
.admin-tabs a.active { background: linear-gradient(90deg, var(--purple), var(--cyan)); color: #0b0b14; }

.footer { text-align: center; color: var(--muted); font-size: 0.82rem; padding: 30px 0; border-top: 1px solid var(--border); }

.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); }

@media (max-width: 640px) {
    .navbar { padding: 14px 18px; }
    .nav-links { gap: 12px; font-size: 0.85rem; }
}