/* ========================================================
   🌐 ZeroStudio: Viewer Portal & Commercial CSS
   Theme: Cyberpunk Dark / Catppuccin Mocha + Neon Accents
   ======================================================== */

:root {
    --bg-base: #0f0f17;
    --bg-surface: #181825;
    --bg-card: #1e1e2e;
    --bg-card-hover: #252538;
    --border-color: #313244;
    --border-accent: #45475a;
    
    --text-primary: #cdd6f4;
    --text-secondary: #a6adc8;
    --text-muted: #6c7086;
    
    --accent-gold: #f9e2af;
    --accent-diamond: #89dceb;
    --accent-purple: #cba6f7;
    --accent-pink: #f5c2e7;
    --accent-green: #a6e3a1;
    --accent-red: #f38ba8;
    --accent-orange: #fab387;
    --accent-blue: #89b4fa;
    
    --font-main: 'Sarabun', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'K2D', var(--font-main);
}

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

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    background-image: 
        radial-gradient(circle at 15% 15%, rgba(137, 220, 235, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 85% 75%, rgba(203, 166, 247, 0.08) 0%, transparent 40%);
    background-attachment: fixed;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: #ffffff;
}

a {
    color: var(--accent-diamond);
    text-decoration: none;
    transition: all 0.2s ease;
}

a:hover {
    color: #ffffff;
    text-shadow: 0 0 10px rgba(137, 220, 235, 0.5);
}

/* Top Navbar */
.portal-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    background: rgba(24, 24, 37, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.portal-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 800;
    font-family: var(--font-heading);
    color: #ffffff;
}

.portal-brand-badge {
    background: linear-gradient(135deg, #cba6f7, #89dceb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 900;
    letter-spacing: 0.5px;
}

.portal-nav-items {
    display: flex;
    align-items: center;
    gap: 16px;
}

.portal-user-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 4px 12px 4px 6px;
    border-radius: 50px;
}

.portal-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent-diamond);
}

/* Wallets Badge */
.portal-wallet-chip {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(17, 17, 27, 0.9);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 700;
}

.wallet-currency {
    display: flex;
    align-items: center;
    gap: 5px;
}

.wallet-diamonds {
    color: var(--accent-diamond);
}

.wallet-z {
    color: var(--accent-orange);
}

/* Container */
.portal-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 24px 20px;
    width: 100%;
    flex: 1;
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, #89dceb, #89b4fa);
    color: #11111b;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-family: var(--font-heading);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 15px rgba(137, 220, 235, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(137, 220, 235, 0.4);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 10px 18px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--accent-diamond);
    color: #ffffff;
}

.btn-outline-gold {
    background: transparent;
    color: var(--accent-gold);
    border: 1px solid var(--accent-gold);
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-outline-gold:hover {
    background: rgba(249, 226, 175, 0.15);
    box-shadow: 0 0 15px rgba(249, 226, 175, 0.3);
}

/* Cards & Sections */
.portal-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

.portal-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(69, 71, 90, 0.5);
}

.portal-card-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
}

/* Skill Slots Grid */
.slots-container {
    display: flex;
    align-items: center;
    gap: 14px;
    overflow-x: auto;
    padding: 10px 4px 14px 4px;
}

.skill-slot {
    width: 110px;
    height: 155px;
    background: var(--bg-card);
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: pointer;
    transition: all 0.25s ease;
    flex-shrink: 0;
}

.skill-slot.filled {
    border-style: solid;
    border-color: var(--accent-diamond);
    background: linear-gradient(145deg, #1e1e2e, #252538);
    box-shadow: 0 4px 15px rgba(137, 220, 235, 0.15);
}

.skill-slot.locked {
    opacity: 0.45;
    cursor: not-allowed;
    background: #14141e;
}

.skill-slot:hover:not(.locked) {
    border-color: var(--accent-purple);
    transform: translateY(-3px);
}

.slot-number-badge {
    position: absolute;
    top: 6px;
    left: 8px;
    font-size: 0.72rem;
    font-weight: 800;
    color: var(--text-muted);
}

.slot-remove-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    background: rgba(243, 139, 168, 0.2);
    color: var(--accent-red);
    border: 1px solid var(--accent-red);
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    cursor: pointer;
}

/* Skill Shop Grid */
.shop-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.shop-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.25s ease;
    position: relative;
}

.shop-card:hover {
    border-color: var(--accent-diamond);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
}

/* Grayscale for unowned cards */
.shop-card.unowned .card-art-img {
    filter: grayscale(100%) opacity(60%);
}

.shop-card.unowned {
    border-color: rgba(69, 71, 90, 0.4);
}

.card-art-img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    margin-bottom: 12px;
    transition: filter 0.3s ease;
}

.card-duration-badge {
    font-size: 0.78rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 20px;
    margin-bottom: 10px;
}

.card-duration-badge.owned {
    background: rgba(166, 227, 161, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(166, 227, 161, 0.3);
}

.card-duration-badge.unowned {
    background: rgba(108, 112, 134, 0.2);
    color: var(--text-muted);
}

/* Modal */
.portal-modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.portal-modal {
    background: var(--bg-surface);
    border: 1px solid var(--border-accent);
    border-radius: 16px;
    max-width: 480px;
    width: 90%;
    padding: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

/* Responsive */
@media (max-width: 768px) {
    .portal-nav {
        padding: 12px 16px;
    }
    .portal-container {
        padding: 16px 12px;
    }
    .shop-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 12px;
    }
    .portal-wallet-chip {
        padding: 4px 10px;
        font-size: 0.8rem;
    }
}

/* Dashboard Stats Grid */
.stat-banner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 14px;
    margin-top: 14px;
}

.stat-banner-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 14px 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.stat-banner-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent-diamond);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: #ffffff;
}

/* Toast Notification */
.portal-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: #1e1e2e;
    border: 1px solid var(--accent-diamond);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
    color: #ffffff;
    padding: 12px 20px;
    border-radius: 10px;
    z-index: 2000;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.92rem;
    font-weight: 600;
    animation: slideInUp 0.3s ease-out;
}

@keyframes slideInUp {
    from { transform: translateY(100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Share Card Preview */
.share-card-canvas {
    max-width: 380px;
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    border: 1px solid var(--border-accent);
}