:root {
    --bg: #0f1117;
    --bg-card: #1a1d27;
    --bg-input: #252836;
    --border: #2d3148;
    --text: #e4e6f0;
    --text-muted: #8b8fa8;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --success: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --radius: 8px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.5;
}

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

.container { max-width: 1200px; margin: 0 auto; padding: 1.5rem; }

/* Navbar */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand a { font-size: 1.25rem; font-weight: 700; color: var(--text); }
.nav-brand .accent { color: var(--accent); }

.nav-links { display: flex; gap: 1.5rem; }
.nav-links a { color: var(--text-muted); font-weight: 500; padding: 0.25rem 0; border-bottom: 2px solid transparent; }
.nav-links a.active, .nav-links a:hover { color: var(--text); border-bottom-color: var(--accent); }

.nav-user { display: flex; align-items: center; gap: 1rem; }
.nav-user .username { color: var(--text-muted); font-size: 0.875rem; }

.badge {
    background: var(--accent);
    color: white;
    font-size: 0.7rem;
    padding: 0.1rem 0.45rem;
    border-radius: 10px;
    margin-left: 0.25rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    color: var(--text);
}

.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); color: white; }
.btn-accent { background: #059669; color: white; }
.btn-accent:hover { background: #10b981; color: white; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text-muted); }
.btn-outline:hover { border-color: var(--accent); color: var(--text); }
.btn-danger { background: var(--danger); color: white; }
.btn-sm { padding: 0.3rem 0.65rem; font-size: 0.8rem; }
.btn-lg { padding: 0.75rem 1.5rem; font-size: 1rem; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn.added { background: var(--success); color: white; }

/* Forms */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 0.35rem; font-weight: 500; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 0.6rem 0.75rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.9rem;
}
.form-group textarea { resize: vertical; min-height: 100px; font-family: inherit; line-height: 1.5; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--accent); }

/* Auth */
.auth-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 1rem; }
.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    width: 100%;
    max-width: 420px;
}
.auth-header { text-align: center; margin-bottom: 1.5rem; }
.auth-header h1 { font-size: 1.5rem; margin-bottom: 0.25rem; }
.auth-header p { color: var(--text-muted); font-size: 0.875rem; }
.auth-footer { text-align: center; margin-top: 1.5rem; font-size: 0.875rem; color: var(--text-muted); }
.hint { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 1rem; }

.credentials-box { margin-top: 1rem; }
.cred-item { margin-bottom: 1rem; }
.cred-item label { display: block; font-size: 0.75rem; color: var(--text-muted); margin-bottom: 0.25rem; }
.cred-value { display: flex; align-items: center; gap: 0.5rem; }
.cred-value code {
    flex: 1;
    background: var(--bg-input);
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius);
    font-size: 1rem;
    letter-spacing: 0.05em;
}
.btn-copy {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-muted);
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.75rem;
}
.btn-copy:hover { border-color: var(--accent); color: var(--text); }

/* Alerts */
.alert { padding: 0.75rem 1rem; border-radius: var(--radius); margin-bottom: 1rem; font-size: 0.875rem; }
.alert-error { background: rgba(239,68,68,0.15); border: 1px solid var(--danger); color: #fca5a5; }
.alert-success { background: rgba(34,197,94,0.15); border: 1px solid var(--success); color: #86efac; }

/* Search */
.search-header, .page-header { margin-bottom: 1.5rem; }
.search-header h2, .page-header h2 { font-size: 1.5rem; margin-bottom: 0.25rem; }
.search-header p, .page-header p { color: var(--text-muted); font-size: 0.875rem; }

.search-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}
.search-row { display: grid; grid-template-columns: 1fr 1fr 1fr auto; gap: 1rem; align-items: end; }
.form-actions { display: flex; gap: 0.5rem; }

.stats-bar {
    display: flex;
    gap: 1.5rem;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.875rem;
    flex-wrap: wrap;
}
.stat { color: var(--text-muted); }
.stat.available { color: var(--success); font-weight: 600; }

.results-header {
    display: flex;
    justify-content: space-between;
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
}

/* Table */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
.leads-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.leads-table th {
    background: var(--bg-card);
    padding: 0.65rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border);
}
.leads-table td { padding: 0.65rem 1rem; border-bottom: 1px solid var(--border); }
.leads-table tr:last-child td { border-bottom: none; }
.leads-table tr:hover td { background: rgba(99,102,241,0.05); }
.leads-table.compact td, .leads-table.compact th { padding: 0.4rem 0.75rem; }
.leads-table code { background: var(--bg-input); padding: 0.15rem 0.4rem; border-radius: 4px; font-size: 0.85rem; }

/* Pagination */
.pagination { display: flex; gap: 0.5rem; justify-content: center; margin-top: 1.5rem; }

/* Bulk toolbar */
.bulk-toolbar {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-bottom: none;
    border-radius: var(--radius) var(--radius) 0 0;
    font-size: 0.875rem;
}
.bulk-check-all {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-muted);
    cursor: pointer;
    user-select: none;
}
.bulk-check-all input { width: auto; accent-color: var(--accent); }
.bulk-divider { color: var(--border); }
.bulk-label { color: var(--text-muted); font-size: 0.8rem; }
.col-check { width: 36px; text-align: center; }
.col-serial { width: 60px; color: var(--text-muted); font-size: 0.85rem; }
.leads-table input[type="checkbox"] { accent-color: var(--accent); cursor: pointer; }
.bulk-toolbar + .table-wrap { border-radius: 0 0 var(--radius) var(--radius); }

.purchase-detail-table { font-size: 0.8rem; }
.purchase-detail-table td, .purchase-detail-table th { white-space: nowrap; max-width: 220px; overflow: hidden; text-overflow: ellipsis; }
.purchase-detail-table td:last-child, .purchase-detail-table th:last-child { white-space: normal; max-width: 280px; }
.order-items .table-wrap { border: none; border-radius: 0; }

/* Cart */
.cart-summary {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
}
.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.35rem 0;
    font-size: 0.9rem;
}
.summary-row.insufficient { color: #fca5a5; }
.cart-actions { display: flex; justify-content: space-between; align-items: center; margin-top: 1.5rem; flex-wrap: wrap; gap: 1rem; }
.cart-actions-right { display: flex; gap: 0.5rem; }

.nav-balance {
    background: rgba(34,197,94,0.15);
    color: var(--success);
    padding: 0.25rem 0.65rem;
    border-radius: var(--radius);
    font-size: 0.85rem;
    font-weight: 600;
}
.nav-balance:hover { color: #86efac; }

/* Wallet */
.wallet-balance-card {
    background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(5,150,105,0.15));
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem 2rem;
    margin-bottom: 1.5rem;
    text-align: center;
}
.balance-label { color: var(--text-muted); font-size: 0.875rem; margin-bottom: 0.25rem; }
.balance-amount { font-size: 2.5rem; font-weight: 700; color: var(--success); }
.balance-hint { color: var(--text-muted); font-size: 0.8rem; margin-top: 0.25rem; }

.wallet-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.wallet-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
}
.wallet-panel h3 { font-size: 1rem; margin-bottom: 1rem; }
.wallet-form .field-hint { display: block; font-size: 0.75rem; color: var(--text-muted); margin-top: 0.25rem; }
.empty-hint { color: var(--text-muted); font-size: 0.875rem; }

.tx-list { display: flex; flex-direction: column; gap: 0.75rem; max-height: 320px; overflow-y: auto; }
.tx-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
}
.tx-row:last-child { border-bottom: none; padding-bottom: 0; }
.tx-ref { display: block; color: var(--text-muted); font-size: 0.75rem; }
.tx-date { color: var(--text-muted); font-size: 0.75rem; margin-top: 0.15rem; }
.tx-amount.positive { color: var(--success); font-weight: 600; }
.tx-amount.negative { color: #fca5a5; font-weight: 600; }

.deposit-instructions {
    background: var(--bg-card);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    padding: 1.25rem;
}
.deposit-instructions h3 { margin-bottom: 1rem; }
.deposit-layout {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.5rem;
    align-items: start;
    margin: 1rem 0;
}
.deposit-qr-panel {
    text-align: center;
    background: #fff;
    border-radius: var(--radius);
    padding: 1rem;
    border: 1px solid var(--border);
}
.deposit-qr {
    display: block;
    width: 240px;
    height: 240px;
    border-radius: 6px;
}
.qr-hint {
    color: #333;
    font-size: 0.8rem;
    margin: 0.75rem 0 0.5rem;
    font-weight: 500;
}
.open-wallet { margin-top: 0.25rem; }
.deposit-details { display: flex; flex-direction: column; gap: 0.75rem; }
.deposit-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}
.deposit-row label { display: block; font-size: 0.75rem; color: var(--text-muted); margin-bottom: 0.25rem; }
.deposit-row code {
    background: var(--bg-input);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.9rem;
    word-break: break-all;
}
.deposit-row.highlight code { color: var(--success); font-size: 1rem; }
.copy-row { display: flex; align-items: center; gap: 0.5rem; }
.copy-row code { flex: 1; }
.deposit-note { font-size: 0.8rem; color: var(--text-muted); margin: 0; }
.panel-link { font-size: 0.8rem; margin: -0.5rem 0 1rem; }

.status-badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}
.status-badge.status-pending { background: rgba(245,158,11,0.2); color: #fbbf24; }
.status-badge.status-confirmed { background: rgba(34,197,94,0.2); color: #86efac; }
.status-badge.status-expired { background: rgba(239,68,68,0.15); color: #fca5a5; }
.status-badge.status-cancelled { background: rgba(139,143,168,0.2); color: var(--text-muted); }

.payments-actions {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}
.payments-table .sub-text {
    color: var(--text-muted);
    font-size: 0.75rem;
    margin-top: 0.15rem;
}
.payment-details-cell {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    align-items: flex-start;
}
.tx-link { font-size: 0.8rem; }
.order-amount { color: var(--success); font-weight: 600; font-size: 0.875rem; }

@media (max-width: 768px) {
    .wallet-grid { grid-template-columns: 1fr; }
    .deposit-layout { grid-template-columns: 1fr; justify-items: center; }
}

/* Orders */
.orders-list { display: flex; flex-direction: column; gap: 1rem; }
.order-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.order-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}
.order-date { color: var(--text-muted); font-size: 0.8rem; margin-left: 0.75rem; }
.order-meta { display: flex; align-items: center; gap: 0.5rem; }
.order-items { padding: 0 1.25rem 1rem; border-top: 1px solid var(--border); }

/* Empty */
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--text-muted); }
.empty-state p { margin-bottom: 1rem; }

/* Toast */
.toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s;
    z-index: 1000;
    pointer-events: none;
}
.toast.show { transform: translateY(0); opacity: 1; }
.toast.error { border-color: var(--danger); color: #fca5a5; }

@media (max-width: 768px) {
    .search-row { grid-template-columns: 1fr; }
    .navbar { flex-wrap: wrap; gap: 0.75rem; }
    .nav-links { order: 3; width: 100%; justify-content: center; }
}

/* Support tickets */
.tickets-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    flex-wrap: wrap;
}
.back-link {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}
.back-link:hover { color: var(--accent); }
.ticket-list { display: flex; flex-direction: column; gap: 0.75rem; }
.ticket-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s, transform 0.15s;
}
.ticket-card:hover {
    border-color: var(--accent);
    transform: translateY(-1px);
}
.ticket-card-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}
.ticket-ref {
    background: var(--bg-input);
    padding: 0.15rem 0.45rem;
    border-radius: 4px;
    font-size: 0.8rem;
}
.ticket-card-subject {
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 0.35rem;
    color: var(--text);
}
.ticket-card-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}
.ticket-card-preview {
    margin-top: 0.65rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.4;
}
.ticket-form-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    max-width: 640px;
}
.ticket-form-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-top: 0.5rem;
}
.ticket-thread {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.ticket-msg {
    max-width: 85%;
    padding: 1rem 1.15rem;
    border-radius: 12px;
    border: 1px solid var(--border);
}
.ticket-msg-user {
    align-self: flex-end;
    background: rgba(99,102,241,0.12);
    border-color: rgba(99,102,241,0.25);
}
.ticket-msg-admin {
    align-self: flex-start;
    background: var(--bg-card);
    border-color: rgba(34,197,94,0.25);
}
.ticket-msg-head {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
}
.ticket-msg-head strong { color: var(--text); }
.ticket-msg-head span { color: var(--text-muted); }
.ticket-msg-body {
    font-size: 0.9rem;
    line-height: 1.55;
    color: var(--text);
    word-break: break-word;
}
.ticket-reply-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
}
.ticket-closed-notice {
    text-align: center;
    padding: 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.ticket-status-lg { font-size: 0.85rem; padding: 0.35rem 0.75rem; }
.ticket-empty { padding: 4rem 1rem; }