/* assets/css/admin.css - Cards Mania 27 Backoffice UI */
:root {
    --bg: #171a20;
    --sidebar: #1e222b;
    --card: #242934;
    --input: #15181e;
    --border: rgba(255, 255, 255, 0.09);
    --gold: #d4af37;
    --gold-bright: #f5d061;
    --text: #ffffff;
    --muted: #a0aab8;
    --green: #22c55e;
    --red: #ef4444;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}
a { color: inherit; text-decoration: none; }

.admin-shell {
    display: grid;
    grid-template-columns: 255px 1fr;
    min-height: 100vh;
}

.admin-sidebar {
    background: var(--sidebar);
    border-right: 1px solid var(--border);
    padding: 22px 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.admin-brand {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 4px 8px 18px;
    margin-bottom: 10px;
    border-bottom: 1px solid var(--border);
}

.admin-brand img {
    height: 48px;
    width: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 13px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #dfe4ee;
    transition: background 0.15s ease, color 0.15s ease;
}

.nav-item:hover, .nav-item.active {
    background: rgba(212, 175, 55, 0.14);
    color: var(--gold-bright);
}

.nav-badge {
    background: var(--gold);
    color: #14161b;
    font-size: 0.72rem;
    font-weight: 800;
    padding: 2px 7px;
    border-radius: 999px;
}

.admin-main {
    padding: 28px 34px;
    overflow-x: auto;
}

.page-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.page-bar h1 {
    font-size: 1.55rem;
    font-weight: 800;
}

.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.kpi-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 18px 20px;
}

.kpi-label {
    font-size: 0.78rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.kpi-val {
    font-size: 1.65rem;
    font-weight: 800;
    margin-top: 6px;
    color: var(--gold-bright);
}

.panel {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 22px;
    margin-bottom: 22px;
}

.panel h2 {
    font-size: 1.1rem;
    margin-bottom: 14px;
    color: var(--gold-bright);
}

table.adm-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

table.adm-table th {
    text-align: left;
    padding: 10px 12px;
    color: var(--muted);
    border-bottom: 1px solid var(--border);
    font-size: 0.76rem;
    text-transform: uppercase;
}

table.adm-table td {
    padding: 11px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 16px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.86rem;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.btn-gold {
    background: linear-gradient(135deg, #f5d061, #d4af37);
    color: #14161b;
}

.btn-ghost {
    background: rgba(255,255,255,0.06);
    border: 1px solid var(--border);
    color: #fff;
}

.btn-danger {
    background: rgba(239, 68, 68, 0.16);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #fca5a5;
}

.inp, select.inp, textarea.inp {
    width: 100%;
    background: var(--input);
    border: 1px solid rgba(255,255,255,0.16);
    color: #fff;
    padding: 9px 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-family: inherit;
}

.inp:focus { outline: none; border-color: var(--gold); }

.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 0.82rem; font-weight: 600; color: #dce2ec; margin-bottom: 5px; }

.tag {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 0.74rem;
    font-weight: 700;
}
.tag-green { background: rgba(34, 197, 94, 0.18); color: #86efac; }
.tag-gold  { background: rgba(212, 175, 55, 0.2); color: #f5d061; }
.tag-gray  { background: rgba(255, 255, 255, 0.1); color: #cbd5e1; }

.flash {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 18px;
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.4);
    color: #bbf7d0;
    font-size: 0.9rem;
}

@media (max-width: 960px) {
    .admin-shell { grid-template-columns: 1fr; }
    .kpi-grid, .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .admin-main { padding: 18px; }
}