:root {
    --neon-blue: #3b82f6;
    --neon-purple: #8b5cf6;
    --accent-gold: #f59e0b;
    --primary-bg: #0a0a0c;
}

body {
    background-color: var(--primary-bg);
    color: #f1f5f9;
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    line-height: 1.6;
    word-break: keep-all;
}

h1,
h2,
h3 {
    font-family: 'Montserrat', sans-serif;
    word-break: keep-all;
}


.premium-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    position: relative;
}

.premium-card:hover {
    border-color: var(--neon-blue);
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

/* Action Button */
.action-btn {
    background: rgba(59, 130, 246, 0.1);
    color: var(--neon-blue);
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.action-btn:hover {
    background: var(--neon-blue);
    color: white;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.4);
}

/* [Constraint] Custom Proportions */
.ratio-wide {
    aspect-ratio: 16 / 7;
    width: 100%;
}

.ratio-portrait {
    aspect-ratio: 4 / 5;
    width: 100%;
}

.highlight-vibe {
    background: linear-gradient(90deg, var(--neon-blue), var(--neon-green));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(59, 130, 246, 0.3);
}

.vibe-tag {
    background: rgba(59, 130, 246, 0.1);
    color: var(--neon-blue);
    border: 1px solid rgba(59, 130, 246, 0.2);
    padding: 0.4rem 1rem;
    border-radius: 100px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

/* Modal Backdrop Blur */
#recharge-modal {
    backdrop-filter: blur(8px);
}