:root {
    --bg-1: #191c28;
    --bg-2: #0a0c12;
    --panel: rgba(22, 26, 38, 0.86);
    --text: #eaf0ff;
    --muted: #9ba8c7;
    --primary: #8f6bff;
    --primary-2: #4f7fff;
    --danger: #ff5d74;
    --success: #2bd4a7;
    --border: rgba(255, 255, 255, 0.08);
    --shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Be Vietnam Pro', sans-serif;
    color: var(--text);
    background: radial-gradient(1000px 400px at 10% -10%, rgba(143, 107, 255, 0.28), transparent 40%),
                radial-gradient(800px 300px at 80% 0%, rgba(79, 127, 255, 0.22), transparent 40%),
                linear-gradient(160deg, var(--bg-1), var(--bg-2));
    min-height: 100vh;
}

img {
    max-width: 100%;
    display: block;
}

a {
    color: #c7d5ff;
    text-decoration: none;
}

a:hover {
    color: #fff;
}

.container {
    width: min(1120px, 92%);
    margin: 0 auto;
}

.site-main {
    padding: 26px 0 42px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    backdrop-filter: blur(8px);
    background: rgba(8, 10, 15, 0.74);
    border-bottom: 1px solid var(--border);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: 20px;
}

.logo {
    font-weight: 800;
    letter-spacing: 0.4px;
    font-size: 1.2rem;
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 14px;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-links a {
    padding: 8px 12px;
    border-radius: 10px;
    transition: all 0.25s ease;
    color: var(--muted);
}

.nav-links a.active,
.nav-links a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.btn-nav {
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    color: #fff !important;
}

.menu-toggle {
    display: none;
    border: 1px solid var(--border);
    background: transparent;
    color: #fff;
    border-radius: 10px;
    padding: 8px 10px;
}

.hero {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 20px;
    margin-bottom: 34px;
}

.hero-content,
.hero-card,
.glass-panel,
.card,
.post-card,
.glass-form,
.stat-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: var(--shadow);
}

.hero-content {
    padding: 34px;
}

.hero-content h1 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin: 8px 0;
}

.hero-content p {
    color: var(--muted);
}

.hero-badge {
    display: inline-block;
    font-size: 0.85rem;
    color: #f6f0ff;
    background: rgba(143, 107, 255, 0.25);
    border: 1px solid rgba(143, 107, 255, 0.4);
    border-radius: 999px;
    padding: 8px 12px;
}

.hero-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.hero-card {
    padding: 24px;
}

.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 14px;
}

.stat-grid div {
    padding: 14px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
}

.stat-grid strong {
    display: block;
    font-size: 1.3rem;
}

.stat-grid span {
    color: var(--muted);
    font-size: 0.92rem;
}

.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin: 18px 0;
}

.card-grid {
    display: grid;
    gap: 14px;
}

.card-grid.categories {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card-grid.posts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.post-card {
    overflow: hidden;
    transition: transform 0.25s ease, border-color 0.25s ease;
}

.card {
    padding: 16px;
}

.post-card:hover,
.card:hover,
.stat-card:hover {
    transform: translateY(-4px);
    border-color: rgba(143, 107, 255, 0.65);
}

.post-card img {
    height: 180px;
    object-fit: cover;
    width: 100%;
}

.post-body {
    padding: 14px;
}

.post-body h3 {
    margin: 8px 0;
}

.post-body p {
    color: var(--muted);
    margin: 0 0 10px;
}

.tag {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(79, 127, 255, 0.2);
    border: 1px solid rgba(79, 127, 255, 0.4);
    font-size: 0.82rem;
}

.post-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.price-lg {
    font-size: 1.6rem;
    font-weight: 700;
}

.btn,
.btn-small {
    border: none;
    cursor: pointer;
    border-radius: 11px;
    font-weight: 600;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 11px 16px;
}

.btn-small {
    padding: 7px 10px;
    background: rgba(255, 255, 255, 0.09);
    color: #fff;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    color: #fff;
}

.btn-outline {
    border: 1px solid var(--border);
    color: #fff;
    background: transparent;
}

.btn-small.danger,
.danger {
    background: rgba(255, 93, 116, 0.22);
    color: #ffd3da;
}

.form-wrap {
    max-width: 680px;
    margin: 0 auto;
}

.glass-form,
.glass-panel {
    padding: 20px;
}

.glass-form label {
    margin: 10px 0 6px;
    display: block;
    color: var(--muted);
}

input,
textarea,
select {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 11px 12px;
    color: #fff;
    background: rgba(255, 255, 255, 0.04);
    outline: none;
}

input:focus,
textarea:focus,
select:focus {
    border-color: rgba(143, 107, 255, 0.7);
}

.filter-form {
    display: grid;
    grid-template-columns: 1.3fr 1fr auto;
    gap: 10px;
    margin-bottom: 16px;
}

.profile-grid,
.detail-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.detail-image img {
    border-radius: 18px;
    border: 1px solid var(--border);
    min-height: 280px;
    object-fit: cover;
}

.seller {
    color: var(--muted);
    margin: 12px 0 18px;
}

.table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: rgba(10, 12, 18, 0.55);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    padding: 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}

th {
    color: #b8c6ea;
}

.inline-form {
    display: inline-block;
}

.cart-actions {
    margin-top: 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.pagination {
    display: flex;
    gap: 8px;
    margin-top: 18px;
}

.pagination a {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    border-radius: 9px;
    border: 1px solid var(--border);
    color: #d7e1ff;
}

.pagination a.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    border-color: transparent;
}

.site-footer {
    margin-top: 38px;
    border-top: 1px solid var(--border);
    background: rgba(4, 6, 10, 0.7);
}

.footer-grid {
    display: grid;
    gap: 20px;
    grid-template-columns: 1.2fr 1fr 1fr;
    padding: 28px 0;
}

.footer-grid p,
.footer-grid li {
    color: var(--muted);
}

.footer-grid ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    gap: 8px;
}

.copyright {
    text-align: center;
    color: #7783a3;
    margin: 0;
    padding: 12px;
    border-top: 1px solid var(--border);
}

.toast {
    padding: 12px 14px;
    border-radius: 12px;
    margin-bottom: 16px;
    opacity: 0;
    transform: translateY(-8px);
    transition: all 0.25s ease;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast-success {
    border: 1px solid rgba(43, 212, 167, 0.45);
    background: rgba(43, 212, 167, 0.14);
}

.toast-error {
    border: 1px solid rgba(255, 93, 116, 0.45);
    background: rgba(255, 93, 116, 0.14);
}

.loader {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    background: rgba(5, 7, 12, 0.92);
    z-index: 100;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-ring {
    width: 54px;
    height: 54px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.stats-board {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
}

.stat-card {
    padding: 16px;
}

.stat-card p {
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 1000px) {
    .hero,
    .profile-grid,
    .detail-layout,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .card-grid.categories {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .card-grid.posts {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .stats-board {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .menu-toggle {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(10, 12, 18, 0.98);
        border-bottom: 1px solid var(--border);
        padding: 14px;
        display: none;
        flex-direction: column;
        align-items: flex-start;
    }

    .nav-links.nav-open {
        display: flex;
    }

    .filter-form {
        grid-template-columns: 1fr;
    }

    .card-grid.categories,
    .card-grid.posts,
    .stats-board {
        grid-template-columns: 1fr;
    }

    .cart-actions {
        flex-direction: column;
        align-items: stretch;
    }
}