/* ============================================================
   Moon Shop — Main Stylesheet
   Design: Dark cosmic theme with glassmorphism accents
   ============================================================ */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg:            #0b0d17;
    --bg-card:       rgba(255,255,255,0.04);
    --bg-card-hover: rgba(255,255,255,0.08);
    --surface:       rgba(255,255,255,0.06);
    --border:        rgba(255,255,255,0.08);
    --text:          #e2e4eb;
    --text-muted:    #8b8fa3;
    --accent:        #a78bfa;
    --accent-glow:   rgba(167,139,250,0.35);
    --gold:          #fbbf24;
    --green:         #34d399;
    --danger:        #f87171;
    --radius:        16px;
    --radius-sm:     10px;
    --transition:    0.25s cubic-bezier(.4,0,.2,1);
    --font:          'Outfit', system-ui, sans-serif;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
    /* Starry background */
    background-image:
        radial-gradient(1.5px 1.5px at 20% 30%, rgba(255,255,255,0.15), transparent),
        radial-gradient(1px 1px at 60% 70%, rgba(255,255,255,0.1), transparent),
        radial-gradient(1.2px 1.2px at 80% 20%, rgba(255,255,255,0.12), transparent),
        radial-gradient(1px 1px at 40% 80%, rgba(255,255,255,0.08), transparent);
    background-size: 300px 300px, 400px 400px, 250px 250px, 350px 350px;
}

.container { max-width: 1100px; margin: 0 auto; padding: 0 1.5rem; }

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: #c4b5fd; }

img { max-width: 100%; display: block; border-radius: var(--radius-sm); }

/* --- Header --- */
.site-header {
    backdrop-filter: blur(18px);
    background: rgba(11,13,23,0.75);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: .45rem;
    letter-spacing: .5px;
}
.logo:hover { color: var(--accent); }

nav { display: flex; align-items: center; gap: 1.5rem; }

nav a {
    color: var(--text-muted);
    font-weight: 500;
    font-size: .95rem;
    transition: color var(--transition);
}
nav a:hover { color: var(--text); }

.cart-link { position: relative; }

.cart-badge {
    position: absolute;
    top: -8px;
    right: -14px;
    background: var(--accent);
    color: #fff;
    font-size: .7rem;
    font-weight: 700;
    width: 20px; height: 20px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    box-shadow: 0 0 8px var(--accent-glow);
}

/* --- Hero --- */
.hero {
    text-align: center;
    padding: 4rem 1rem 2.5rem;
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: .6rem;
}

.hero p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 520px;
    margin: 0 auto;
}

/* --- Product Grid --- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.8rem;
    padding: 2rem 0 4rem;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-6px);
    background: var(--bg-card-hover);
    box-shadow: 0 16px 48px rgba(167,139,250,0.1);
}

.product-card .card-img {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.product-card .card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
    transition: transform .4s ease;
}
.product-card:hover .card-img img { transform: scale(1.05); }

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--accent);
    color: #fff;
    font-size: .72rem;
    font-weight: 600;
    padding: .25rem .7rem;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: .5px;
    box-shadow: 0 2px 10px var(--accent-glow);
}

.card-body {
    padding: 1.25rem 1.3rem 1.4rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-body h3 {
    font-size: 1.08rem;
    font-weight: 600;
    margin-bottom: .4rem;
}

.card-body p {
    color: var(--text-muted);
    font-size: .88rem;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.3rem 1.3rem;
}

.price {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--gold);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    font-family: var(--font);
    font-weight: 600;
    font-size: .88rem;
    padding: .6rem 1.3rem;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover {
    background: #9171f2;
    box-shadow: 0 4px 20px var(--accent-glow);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 1.5px solid var(--accent);
}
.btn-outline:hover {
    background: rgba(167,139,250,0.1);
}

.btn-danger {
    background: transparent;
    color: var(--danger);
    border: 1.5px solid var(--danger);
}
.btn-danger:hover {
    background: rgba(248,113,113,0.1);
}

.btn-sm { padding: .4rem .9rem; font-size: .82rem; }

.btn-block { width: 100%; justify-content: center; padding: .85rem; font-size: 1rem; }

/* --- Product Detail --- */
.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    padding: 3rem 0 4rem;
    align-items: start;
}

.product-detail .detail-img img {
    border-radius: var(--radius);
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
}

.product-detail .detail-info h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: .5rem;
}

.product-detail .detail-info .price {
    font-size: 1.6rem;
    margin-bottom: 1.2rem;
}

.product-detail .detail-info p {
    color: var(--text-muted);
    line-height: 1.75;
    margin-bottom: 1.8rem;
}

.detail-meta {
    display: flex;
    flex-direction: column;
    gap: .5rem;
    margin-bottom: 2rem;
    font-size: .9rem;
    color: var(--text-muted);
}

.detail-meta span { display: flex; align-items: center; gap: .5rem; }

/* --- Cart --- */
.cart-page { padding: 2.5rem 0 4rem; }

.cart-page h1 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.cart-empty {
    text-align: center;
    padding: 4rem 1rem;
    color: var(--text-muted);
}

.cart-empty .emoji { font-size: 3rem; display: block; margin-bottom: 1rem; }

.cart-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 2rem;
}

.cart-table th {
    text-align: left;
    font-weight: 500;
    font-size: .82rem;
    text-transform: uppercase;
    letter-spacing: .8px;
    color: var(--text-muted);
    padding: .8rem 1rem;
    border-bottom: 1px solid var(--border);
}

.cart-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.cart-item-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.cart-item-info img {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

.cart-item-info span { font-weight: 500; }

.qty-controls {
    display: flex;
    align-items: center;
    gap: .5rem;
}

.qty-controls button {
    width: 32px; height: 32px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text);
    font-size: 1rem;
    cursor: pointer;
    display: grid;
    place-items: center;
    transition: background var(--transition);
}
.qty-controls button:hover { background: var(--bg-card-hover); }

.qty-controls .qty-value {
    width: 2rem;
    text-align: center;
    font-weight: 600;
}

.cart-summary {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem 1.8rem;
    max-width: 380px;
    margin-left: auto;
}

.cart-summary .summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: .8rem;
    font-size: .95rem;
}

.cart-summary .summary-row.total {
    font-size: 1.2rem;
    font-weight: 700;
    border-top: 1px solid var(--border);
    padding-top: .8rem;
    margin-top: .4rem;
    color: var(--gold);
}

/* --- Checkout / Success --- */
.checkout-page { padding: 3rem 0 4rem; text-align: center; }

.success-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 3rem 2rem;
    max-width: 520px;
    margin: 0 auto;
}

.success-box .check-icon {
    font-size: 3.5rem;
    display: block;
    margin-bottom: 1rem;
    animation: pop .5s ease;
}

@keyframes pop {
    0%   { transform: scale(0); }
    70%  { transform: scale(1.2); }
    100% { transform: scale(1); }
}

.success-box h1 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: .5rem;
}

.success-box p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.order-id {
    display: inline-block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: .5rem 1rem;
    font-family: monospace;
    font-size: .95rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

/* --- Flash messages --- */
.flash {
    padding: .75rem 1.2rem;
    border-radius: var(--radius-sm);
    font-size: .9rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: .5rem;
    animation: slideDown .35s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.flash-success {
    background: rgba(52,211,153,0.1);
    border: 1px solid rgba(52,211,153,0.25);
    color: var(--green);
}

/* --- Footer --- */
.site-footer {
    margin-top: auto;
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    text-align: center;
    font-size: .85rem;
    color: var(--text-muted);
}

.footer-tagline { margin-top: .3rem; font-size: .8rem; }

/* --- Responsive --- */
@media (max-width: 768px) {
    .product-detail { grid-template-columns: 1fr; gap: 2rem; }
    .product-grid { grid-template-columns: 1fr; }

    .cart-table thead { display: none; }
    .cart-table, .cart-table tbody, .cart-table tr, .cart-table td {
        display: block;
    }
    .cart-table tr {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        padding: 1rem;
        margin-bottom: 1rem;
    }
    .cart-table td { border: none; padding: .4rem 0; }
    .cart-summary { max-width: 100%; }
}