/* =========================================================
   CYBERPUNK VIP THEME - MMO MARKETPLACE
   ========================================================= */

:root {
    --bg-dark: #080c14;
    --panel-bg: rgba(17, 24, 39, 0.85);
    --border-glow: rgba(0, 242, 254, 0.25);
    --primary-cyan: #00f2fe;
    --accent-purple: #a855f7;
    --neon-green: #22c55e;
    --neon-red: #ef4444;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
    background-image: 
        radial-gradient(circle at 0% 0%, rgba(168, 85, 247, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 100% 100%, rgba(0, 242, 254, 0.12) 0%, transparent 50%);
    background-attachment: fixed;
}

/* --- NAVBAR --- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 8%;
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 22px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-cyan) 0%, var(--accent-purple) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 18px;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary-cyan);
    text-shadow: 0 0 8px rgba(0, 242, 254, 0.5);
}

/* --- BUTTONS --- */
.btn, .btn-buy {
    background: linear-gradient(135deg, var(--primary-cyan) 0%, #3b82f6 100%);
    color: #000;
    font-weight: 700;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 242, 254, 0.25);
    display: inline-block;
    text-decoration: none;
}

.btn:hover, .btn-buy:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 6px 20px rgba(0, 242, 254, 0.45);
}

.badge {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 6px;
    text-transform: uppercase;
}

.badge-approved {
    background: rgba(168, 85, 247, 0.2);
    color: #c084fc;
    border: 1px solid rgba(168, 85, 247, 0.3);
}

/* --- GRID SẢN PHẨM --- */
.container {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

/* --- INPUT & FORM --- */
.form-control, .input-dark {
    width: 100%;
    padding: 12px 15px;
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid var(--border-glow);
    border-radius: 8px;
    color: #fff;
    font-size: 14px;
    outline: none;
    transition: all 0.3s ease;
}

.form-control:focus, .input-dark:focus {
    border-color: var(--primary-cyan);
    box-shadow: 0 0 12px rgba(0, 242, 254, 0.3);
}

/* --- POPUP KÍNH MỜ (GLASSMORPHISM MODAL) --- */
.cyber-modal {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: popupAnim 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.cyber-modal-card {
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid var(--primary-cyan);
    padding: 35px;
    border-radius: 20px;
    box-shadow: 0 0 35px rgba(0, 242, 254, 0.3);
    max-width: 460px;
    width: 90%;
    text-align: center;
}

@keyframes popupAnim {
    from { opacity: 0; transform: scale(0.85); }
    to { opacity: 1; transform: scale(1); }
}
