@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --c1: #7c3aed;
    --c2: #a78bfa;
    --c3: #2dd4bf;
    --c4: #22d3ee;
    --bg0: #05050f;
    --bg1: #0c0c1d;
    --bg2: #13132b;
    --bg3: #1c1c3a;
    --tx: #eee;
    --tx2: #9ca3af;
    --bdr: rgba(124,58,237,.15);
    --bdr2: rgba(124,58,237,.3);
    --green: #34d399;
    --red: #f87171;
    --yellow: #fbbf24;
    --r: 16px;
    --shadow: 0 4px 24px rgba(0,0,0,.4);
}

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

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg0);
    color: var(--tx);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.7;
    overflow-x: hidden;
}

::selection { background: var(--c1); color: white; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; width: 100%; }

/* ─── Animated Background ─── */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 20% 50%, rgba(124,58,237,.06) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(34,211,238,.04) 0%, transparent 50%),
                radial-gradient(circle at 50% 80%, rgba(45,212,191,.04) 0%, transparent 50%);
    animation: bgMove 20s linear infinite;
    z-index: -1;
    pointer-events: none;
}

@keyframes bgMove {
    0% { transform: translate(0, 0); }
    50% { transform: translate(-2%, -1%); }
    100% { transform: translate(0, 0); }
}

/* ─── Navbar ─── */
.navbar {
    background: rgba(12,12,29,.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--bdr);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.nav-brand {
    font-size: 1.3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--c1), var(--c4));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    letter-spacing: -.02em;
}

.nav-links { display: flex; gap: 8px; }

.nav-links a {
    color: var(--tx2);
    text-decoration: none;
    font-size: .88rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 10px;
    transition: all .3s cubic-bezier(.4,0,.2,1);
    position: relative;
}

.nav-links a:hover {
    color: var(--tx);
    background: rgba(124,58,237,.1);
}

/* ─── Main ─── */
main { flex: 1; padding: 40px 0 60px; }

/* ─── Footer ─── */
.footer {
    text-align: center;
    padding: 28px 0;
    color: var(--tx2);
    font-size: .8rem;
    border-top: 1px solid var(--bdr);
    background: rgba(12,12,29,.5);
}

/* ─── Products Grid ─── */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.product-card {
    background: linear-gradient(145deg, var(--bg2), var(--bg1));
    border: 1px solid var(--bdr);
    border-radius: var(--r);
    padding: 0;
    transition: all .4s cubic-bezier(.4,0,.2,1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: var(--r);
    padding: 1px;
    background: linear-gradient(135deg, transparent, rgba(124,58,237,.3), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity .4s;
    pointer-events: none;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(124,58,237,.15), 0 0 0 1px rgba(124,58,237,.2);
}

.product-card:hover::before { opacity: 1; }

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

.card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }

.card-category {
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--c3);
    margin-bottom: 8px;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--tx);
}

.card-desc {
    color: var(--tx2);
    font-size: .85rem;
    flex: 1;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 14px;
    border-top: 1px solid var(--bdr);
}

.price {
    font-size: 1.25rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--green), var(--c3));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stock { font-size: .82rem; color: var(--tx2); font-weight: 500; }
.stock.out { color: var(--red); }

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 11px 24px;
    border: none;
    border-radius: 12px;
    font-size: .9rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    text-align: center;
    transition: all .3s cubic-bezier(.4,0,.2,1);
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,.1), transparent);
    opacity: 0;
    transition: opacity .3s;
}

.btn:hover::after { opacity: 1; }

.btn-primary {
    background: linear-gradient(135deg, var(--c1), #6d28d9);
    color: white;
    box-shadow: 0 4px 16px rgba(124,58,237,.3);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(124,58,237,.4);
}

.btn-success {
    background: linear-gradient(135deg, #059669, #10b981);
    color: white;
}
.btn-success:hover { transform: translateY(-2px); }

.btn-danger {
    background: linear-gradient(135deg, #dc2626, #ef4444);
    color: white;
}
.btn-danger:hover { transform: translateY(-2px); }

.btn-sm { padding: 7px 14px; font-size: .82rem; border-radius: 8px; }

.btn-outline {
    background: transparent;
    border: 1px solid var(--bdr2);
    color: var(--tx);
}
.btn-outline:hover {
    border-color: var(--c1);
    color: var(--c2);
    background: rgba(124,58,237,.06);
}

/* ─── Forms ─── */
.form-group { margin-bottom: 18px; }

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: .84rem;
    font-weight: 500;
    color: var(--tx2);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg1);
    border: 1px solid var(--bdr);
    border-radius: 12px;
    color: var(--tx);
    font-size: .9rem;
    font-family: inherit;
    outline: none;
    transition: all .3s;
}

.form-control:focus {
    border-color: var(--c1);
    box-shadow: 0 0 0 3px rgba(124,58,237,.15);
}

textarea.form-control { min-height: 100px; resize: vertical; }

select.form-control { appearance: none; cursor: pointer; }

/* ─── Table ─── */
.table-wrap {
    overflow-x: auto;
    border-radius: var(--r);
    border: 1px solid var(--bdr);
    background: var(--bg2);
}

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

th, td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid var(--bdr);
    font-size: .87rem;
}

th {
    background: rgba(124,58,237,.06);
    color: var(--tx2);
    font-weight: 600;
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    white-space: nowrap;
}

tr { transition: background .2s; }
tr:hover td { background: rgba(124,58,237,.04); }
tr:last-child td { border-bottom: none; }

/* ─── Badge ─── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: .75rem;
    font-weight: 600;
    letter-spacing: .02em;
}

.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; }

.badge-pending { background: rgba(251,191,36,.1); color: var(--yellow); }
.badge-pending::before { background: var(--yellow); animation: blink 1.5s infinite; }
.badge-paid { background: rgba(34,211,238,.1); color: var(--c4); }
.badge-paid::before { background: var(--c4); }
.badge-completed { background: rgba(52,211,153,.1); color: var(--green); }
.badge-completed::before { background: var(--green); }
.badge-expired { background: rgba(248,113,113,.1); color: var(--red); }
.badge-expired::before { background: var(--red); }
.badge-awaiting { background: rgba(251,191,36,.12); color: var(--yellow); }
.badge-awaiting::before { background: var(--yellow); animation: blink 2s infinite; }
.badge-awaiting_stock { background: rgba(251,191,36,.12); color: var(--yellow); }
.badge-awaiting_stock::before { background: var(--yellow); }
.badge-active { background: rgba(52,211,153,.1); color: var(--green); }
.badge-active::before { background: var(--green); }
.badge-inactive { background: rgba(248,113,113,.1); color: var(--red); }
.badge-inactive::before { background: var(--red); }

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: .3; }
}

/* ─── Page Header ─── */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

.page-header h1 {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: -.02em;
}

/* ─── Stats ─── */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: linear-gradient(145deg, var(--bg2), var(--bg1));
    border: 1px solid var(--bdr);
    border-radius: var(--r);
    padding: 24px;
    text-align: center;
    transition: all .3s;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--c1), var(--c4));
    opacity: 0;
    transition: opacity .3s;
}

.stat-card:hover { transform: translateY(-4px); }
.stat-card:hover::before { opacity: 1; }

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--c1), var(--c4));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-card .stat-label {
    font-size: .82rem;
    color: var(--tx2);
    margin-top: 4px;
    font-weight: 500;
}

/* ─── Order Box ─── */
.order-box {
    max-width: 600px;
    margin: 0 auto;
    background: linear-gradient(145deg, var(--bg2), var(--bg1));
    border: 1px solid var(--bdr);
    border-radius: var(--r);
    padding: 36px;
    box-shadow: var(--shadow);
}

.order-box h2 {
    margin-bottom: 24px;
    text-align: center;
    font-weight: 800;
    letter-spacing: -.02em;
}

.order-info { margin-bottom: 20px; }

.order-info .row {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--bdr);
}

.order-info .row .label { color: var(--tx2); font-weight: 500; font-size: .9rem; }

.qr-section {
    text-align: center;
    padding: 28px 0;
}

.qr-section img {
    border-radius: 12px;
    background: white;
    padding: 12px;
    box-shadow: 0 4px 24px rgba(0,0,0,.3);
}

.address-box {
    background: var(--bg0);
    border: 1px solid var(--bdr);
    border-radius: 12px;
    padding: 14px;
    word-break: break-all;
    text-align: center;
    font-family: 'JetBrains Mono', monospace;
    font-size: .85rem;
    margin-top: 16px;
}

.cards-result {
    background: rgba(52,211,153,.06);
    border: 1px solid rgba(52,211,153,.2);
    border-radius: 12px;
    padding: 20px;
    margin-top: 24px;
}

.cards-result h3 {
    color: var(--green);
    margin-bottom: 14px;
    font-weight: 700;
}

.cards-result .card-item {
    background: var(--bg0);
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 8px;
    font-family: monospace;
    word-break: break-all;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}

/* ─── Category Filter ─── */
.category-filter {
    display: flex;
    gap: 8px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

.category-filter .tag {
    padding: 7px 18px;
    border-radius: 20px;
    background: var(--bg2);
    border: 1px solid var(--bdr);
    color: var(--tx2);
    cursor: pointer;
    font-size: .82rem;
    font-weight: 500;
    transition: all .3s;
    text-decoration: none;
    font-family: inherit;
}

.category-filter .tag:hover,
.category-filter .tag.active {
    border-color: var(--c1);
    color: var(--c2);
    background: rgba(124,58,237,.08);
    box-shadow: 0 0 12px rgba(124,58,237,.1);
}

/* ─── Modal ─── */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(5,5,15,.85);
    backdrop-filter: blur(8px);
    z-index: 200;
    align-items: center;
    justify-content: center;
}

.modal-overlay.show { display: flex; }

.modal {
    background: var(--bg2);
    border: 1px solid var(--bdr2);
    border-radius: var(--r);
    padding: 36px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0,0,0,.5);
    animation: modalIn .3s cubic-bezier(.4,0,.2,1);
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(.96) translateY(8px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal h2 { margin-bottom: 24px; font-weight: 700; }

/* ─── Admin Layout ─── */
.admin-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 28px;
    min-height: calc(100vh - 140px);
}

.admin-sidebar {
    background: linear-gradient(180deg, var(--bg2), var(--bg1));
    border: 1px solid var(--bdr);
    border-radius: var(--r);
    padding: 12px 0;
    height: fit-content;
    position: sticky;
    top: 80px;
    overflow: hidden;
}

.admin-sidebar a {
    display: flex;
    align-items: center;
    padding: 12px 24px;
    color: var(--tx2);
    text-decoration: none;
    font-size: .88rem;
    font-weight: 500;
    transition: all .25s;
    border-left: 3px solid transparent;
}

.admin-sidebar a:hover {
    color: var(--tx);
    background: rgba(124,58,237,.06);
    border-left-color: rgba(124,58,237,.3);
}

.admin-sidebar a.active {
    color: var(--c2);
    background: rgba(124,58,237,.1);
    border-left-color: var(--c1);
}

.admin-main { min-width: 0; }

/* ─── Copy Button ─── */
.copy-btn {
    background: var(--c1);
    border: none;
    color: white;
    padding: 5px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: .78rem;
    font-weight: 600;
    font-family: inherit;
    transition: all .2s;
    flex-shrink: 0;
}

.copy-btn:hover {
    background: #6d28d9;
    transform: scale(1.05);
}

/* ─── Actions ─── */
.actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* ─── Pulse ─── */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .5; }
}
.pulse { animation: pulse 2s ease-in-out infinite; }

/* ─── Page Transitions ─── */
main {
    animation: fadeUp .5s cubic-bezier(.4,0,.2,1);
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ─── Empty State ─── */
.empty-state {
    text-align: center;
    padding: 80px 20px;
    color: var(--tx2);
}

.empty-state p { font-size: 1.1rem; font-weight: 500; }

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .admin-layout { grid-template-columns: 1fr; }
    .admin-sidebar {
        position: static;
        display: flex;
        overflow-x: auto;
        padding: 8px;
        gap: 4px;
    }
    .admin-sidebar a {
        white-space: nowrap;
        border-left: none !important;
        border-radius: 10px;
        padding: 8px 16px;
    }
    .nav-links { gap: 4px; }
    .nav-links a { padding: 8px 12px; font-size: .82rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .products-grid { grid-template-columns: 1fr; }
    .order-box { padding: 24px 20px; }
    .nav-brand { font-size: 1.1rem; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .stat-card { padding: 16px; }
    .stat-card .stat-value { font-size: 1.5rem; }
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg0); }
::-webkit-scrollbar-thumb { background: var(--bg3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--c1); }