/* ═══════════════════════════════════════════════════════════
   NormaCode Backoffice Admin — Desktop Styles
   Dark theme, sidebar layout, 7 modules
   ═══════════════════════════════════════════════════════════ */

:root {
    --admin-bg: #0b1220;
    --admin-sidebar: #060d18;
    --admin-card: rgba(15, 23, 42, 0.72);
    --admin-card-border: rgba(148, 163, 184, 0.18);
    --admin-card-hover: rgba(15, 23, 42, 0.92);
    --admin-text: #e2e8f0;
    --admin-text-dim: #94a3b8;
    --admin-text-bright: #f1f5f9;
    --admin-accent: #10b981;
    --admin-accent-blue: #0ea5e9;
    --admin-gradient: linear-gradient(135deg, #10b981, #0ea5e9);
    --admin-danger: #ef4444;
    --admin-warning: #f59e0b;
    --admin-success: #22c55e;
    --admin-info: #3b82f6;
    --admin-radius: 12px;
    --admin-radius-sm: 8px;
    --admin-sidebar-w: 240px;
    --admin-topbar-h: 60px;
    --admin-font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

body.admin-page {
    font-family: var(--admin-font);
    background: var(--admin-bg);
    color: var(--admin-text);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── Denied ─────────────────────────────────── */
.admin-denied {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
}
.admin-denied-card {
    background: var(--admin-card);
    border: 1px solid var(--admin-card-border);
    border-radius: var(--admin-radius);
    padding: 3rem;
    text-align: center;
    max-width: 420px;
}
.admin-denied-card h2 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    color: var(--admin-text-bright);
}
.admin-denied-card p {
    color: var(--admin-text-dim);
    margin-bottom: 1.5rem;
}

/* ── Shell ──────────────────────────────────── */
.admin-shell {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ────────────────────────────────── */
.admin-sidebar {
    width: var(--admin-sidebar-w);
    background: var(--admin-sidebar);
    border-right: 1px solid var(--admin-card-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform 0.3s ease;
}
.admin-sidebar-header {
    padding: 1.25rem 1rem;
    border-bottom: 1px solid var(--admin-card-border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.admin-sidebar-logo {
    height: 28px;
    max-width: 120px;
    object-fit: contain;
}
.admin-sidebar-badge {
    background: var(--admin-gradient);
    color: #fff;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.admin-sidebar-nav {
    flex: 1;
    padding: 0.75rem 0;
    overflow-y: auto;
}
.admin-nav-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.7rem 1.25rem;
    border: none;
    background: transparent;
    color: var(--admin-text-dim);
    font-family: var(--admin-font);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: left;
}
.admin-nav-btn:hover {
    background: rgba(148, 163, 184, 0.08);
    color: var(--admin-text);
}
.admin-nav-btn.active {
    background: rgba(16, 185, 129, 0.12);
    color: var(--admin-accent);
}
.admin-nav-btn svg {
    flex-shrink: 0;
    opacity: 0.7;
}
.admin-nav-btn.active svg {
    opacity: 1;
}
.admin-sidebar-footer {
    padding: 1rem;
    border-top: 1px solid var(--admin-card-border);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.admin-nav-link {
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--admin-text-dim);
    font-size: 0.8rem;
    text-decoration: none;
    border: none;
    background: none;
    cursor: pointer;
    font-family: var(--admin-font);
    text-align: left;
    border-radius: 6px;
    transition: background 0.2s;
}
.admin-nav-link:hover {
    background: rgba(148, 163, 184, 0.08);
    color: var(--admin-text);
}

/* ── Hamburger (mobile) ─────────────────────── */
.admin-hamburger {
    display: none;
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 200;
    background: var(--admin-sidebar);
    border: 1px solid var(--admin-card-border);
    border-radius: 8px;
    padding: 8px;
    color: var(--admin-text);
    cursor: pointer;
}

/* ── Main ───────────────────────────────────── */
.admin-main {
    flex: 1;
    margin-left: var(--admin-sidebar-w);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
.admin-topbar {
    height: var(--admin-topbar-h);
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--admin-card-border);
    background: var(--admin-sidebar);
    position: sticky;
    top: 0;
    z-index: 50;
}
.admin-topbar h2 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--admin-text-bright);
}
.admin-topbar-actions {
    display: flex;
    gap: 0.5rem;
}
.admin-content {
    flex: 1;
    padding: 1.5rem 2rem 3rem;
}

/* ── Sections ───────────────────────────────── */
.admin-section {
    display: none;
}
.admin-section.active {
    display: block;
}

/* ── Buttons ────────────────────────────────── */
.admin-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--admin-card-border);
    border-radius: var(--admin-radius-sm);
    background: var(--admin-card);
    color: var(--admin-text);
    font-family: var(--admin-font);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
}
.admin-btn:hover {
    background: var(--admin-card-hover);
    border-color: var(--admin-text-dim);
}
.admin-btn.primary {
    background: var(--admin-gradient);
    border: none;
    color: #fff;
    font-weight: 600;
}
.admin-btn.primary:hover {
    opacity: 0.9;
}
.admin-btn.secondary {
    background: rgba(148, 163, 184, 0.1);
}
.admin-btn.accent {
    background: rgba(16, 185, 129, 0.15);
    border-color: rgba(16, 185, 129, 0.3);
    color: var(--admin-accent);
}
.admin-btn.accent:hover {
    background: rgba(16, 185, 129, 0.25);
}
.admin-btn.danger {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
    color: var(--admin-danger);
}
.admin-btn.danger:hover {
    background: rgba(239, 68, 68, 0.25);
}
.admin-btn.warning {
    background: rgba(245, 158, 11, 0.15);
    border-color: rgba(245, 158, 11, 0.3);
    color: var(--admin-warning);
}
.admin-btn.sm {
    padding: 0.3rem 0.6rem;
    font-size: 0.72rem;
}
.admin-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ── Inputs ─────────────────────────────────── */
.admin-input,
.admin-select {
    padding: 0.5rem 0.75rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--admin-card-border);
    border-radius: var(--admin-radius-sm);
    color: var(--admin-text);
    font-family: var(--admin-font);
    font-size: 0.85rem;
    outline: none;
    transition: border-color 0.2s;
}
.admin-input:focus,
.admin-select:focus {
    border-color: var(--admin-accent);
}
.admin-input::placeholder {
    color: var(--admin-text-dim);
}
.admin-select option {
    background: var(--admin-bg);
}
.admin-textarea {
    padding: 0.5rem 0.75rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--admin-card-border);
    border-radius: var(--admin-radius-sm);
    color: var(--admin-text);
    font-family: var(--admin-font);
    font-size: 0.85rem;
    outline: none;
    resize: vertical;
    min-height: 80px;
    width: 100%;
}

/* ── Toolbar ────────────────────────────────── */
.admin-toolbar {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    align-items: center;
}
.admin-toolbar .admin-input {
    flex: 1;
    min-width: 200px;
}

/* ── KPI Grid ───────────────────────────────── */
.admin-kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.admin-kpi {
    background: var(--admin-card);
    border: 1px solid var(--admin-card-border);
    border-radius: var(--admin-radius);
    padding: 1.25rem;
    position: relative;
    overflow: hidden;
}
.admin-kpi::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--admin-gradient);
}
.admin-kpi-label {
    font-size: 0.75rem;
    color: var(--admin-text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}
.admin-kpi-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--admin-text-bright);
}
.admin-kpi-sub {
    font-size: 0.72rem;
    color: var(--admin-text-dim);
    margin-top: 0.25rem;
}

/* ── Cards ──────────────────────────────────── */
.admin-card {
    background: var(--admin-card);
    border: 1px solid var(--admin-card-border);
    border-radius: var(--admin-radius);
    padding: 1.25rem;
}
.admin-card h3 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--admin-text-bright);
    margin-bottom: 1rem;
}
.admin-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1rem;
}
.admin-row {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}
.admin-card-half {
    flex: 1;
    min-width: 0;
}

/* ── Table ──────────────────────────────────── */
.admin-table-wrap {
    overflow-x: auto;
    border-radius: var(--admin-radius);
    border: 1px solid var(--admin-card-border);
    background: var(--admin-card);
}
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}
.admin-table thead {
    background: rgba(6, 13, 24, 0.6);
    position: sticky;
    top: 0;
}
.admin-table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--admin-text-dim);
    text-transform: uppercase;
    font-size: 0.7rem;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--admin-card-border);
    white-space: nowrap;
}
.admin-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(148, 163, 184, 0.08);
    vertical-align: top;
}
.admin-table tbody tr:hover {
    background: rgba(148, 163, 184, 0.04);
}
.admin-table tbody tr:last-child td {
    border-bottom: none;
}

/* ── Chips ──────────────────────────────────── */
.admin-chip {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 600;
    white-space: nowrap;
}
.admin-chip.green {
    background: rgba(34, 197, 94, 0.15);
    color: #4ade80;
}
.admin-chip.blue {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
}
.admin-chip.yellow {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
}
.admin-chip.red {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
}
.admin-chip.purple {
    background: rgba(168, 85, 247, 0.15);
    color: #c084fc;
}
.admin-chip.gray {
    background: rgba(148, 163, 184, 0.15);
    color: #94a3b8;
}

/* ── Plan Chart ─────────────────────────────── */
.admin-plan-chart {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}
.admin-plan-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.admin-plan-label {
    width: 80px;
    font-size: 0.78rem;
    color: var(--admin-text-dim);
    text-align: right;
    flex-shrink: 0;
}
.admin-plan-track {
    flex: 1;
    height: 22px;
    background: rgba(148, 163, 184, 0.08);
    border-radius: 6px;
    overflow: hidden;
}
.admin-plan-fill {
    height: 100%;
    border-radius: 6px;
    transition: width 0.5s ease;
    min-width: 2px;
}
.admin-plan-fill.trial { background: var(--admin-info); }
.admin-plan-fill.pro { background: var(--admin-accent); }
.admin-plan-fill.team { background: var(--admin-warning); }
.admin-plan-fill.enterprise { background: #a855f7; }
.admin-plan-fill.expired { background: var(--admin-text-dim); }
.admin-plan-count {
    width: 40px;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--admin-text);
    text-align: right;
    flex-shrink: 0;
}

/* ── Beta Stats ─────────────────────────────── */
.admin-beta-stats {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}
.admin-beta-stat {
    padding: 0.4rem 0.75rem;
    background: var(--admin-card);
    border: 1px solid var(--admin-card-border);
    border-radius: var(--admin-radius-sm);
    font-size: 0.78rem;
    color: var(--admin-text-dim);
}
.admin-beta-stat strong {
    color: var(--admin-text-bright);
    margin-left: 0.25rem;
}

/* ── Action buttons in tables ───────────────── */
.admin-actions {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

/* ── Quick Actions ──────────────────────────── */
.admin-quick-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* ── Pagination ─────────────────────────────── */
.admin-pagination {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--admin-card-border);
}
.admin-count {
    font-size: 0.78rem;
    color: var(--admin-text-dim);
}

/* ── Toast ──────────────────────────────────── */
.admin-toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 10000;
    padding: 0.75rem 1.25rem;
    border-radius: var(--admin-radius-sm);
    font-size: 0.85rem;
    font-weight: 500;
    max-width: 420px;
    transform: translateY(120%);
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
}
.admin-toast.show {
    transform: translateY(0);
    opacity: 1;
}
.admin-toast.success {
    background: rgba(34, 197, 94, 0.9);
    color: #fff;
}
.admin-toast.error {
    background: rgba(239, 68, 68, 0.9);
    color: #fff;
}
.admin-toast.info {
    background: rgba(59, 130, 246, 0.9);
    color: #fff;
}

/* ── Modal ──────────────────────────────────── */
.admin-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 5000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}
.admin-modal {
    background: var(--admin-bg);
    border: 1px solid var(--admin-card-border);
    border-radius: var(--admin-radius);
    max-width: 640px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    padding: 2rem;
    position: relative;
}
.admin-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--admin-text-dim);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
}
.admin-modal-close:hover {
    color: var(--admin-text);
}
.admin-modal h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--admin-text-bright);
    margin-bottom: 1.25rem;
}
.admin-modal-field {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(148, 163, 184, 0.08);
    font-size: 0.85rem;
}
.admin-modal-field-label {
    color: var(--admin-text-dim);
}
.admin-modal-field-value {
    color: var(--admin-text-bright);
    font-weight: 500;
    text-align: right;
}
.admin-modal-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--admin-card-border);
}
.admin-modal-form {
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--admin-card-border);
}
.admin-modal-form label {
    display: block;
    font-size: 0.78rem;
    color: var(--admin-text-dim);
    margin-bottom: 0.3rem;
    margin-top: 0.75rem;
}
.admin-modal-form .admin-input,
.admin-modal-form .admin-select,
.admin-modal-form .admin-textarea {
    width: 100%;
}

/* ── System cards ───────────────────────────── */
.admin-system-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
}
.admin-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}
.admin-dot.green { background: var(--admin-success); box-shadow: 0 0 6px rgba(34, 197, 94, 0.5); }
.admin-dot.red { background: var(--admin-danger); box-shadow: 0 0 6px rgba(239, 68, 68, 0.5); }
.admin-dot.yellow { background: var(--admin-warning); }

/* ── Empty state ────────────────────────────── */
.admin-empty {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--admin-text-dim);
}
.admin-empty p {
    font-size: 0.9rem;
}

/* ── Firebase notice ────────────────────────── */
.admin-firebase-notice {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: var(--admin-radius-sm);
    padding: 1rem;
    color: var(--admin-warning);
    font-size: 0.85rem;
    text-align: center;
}

/* ── Recent apps (dashboard) ────────────────── */
.admin-recent-app {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0;
    border-bottom: 1px solid rgba(148, 163, 184, 0.08);
    font-size: 0.82rem;
}
.admin-recent-app:last-child {
    border-bottom: none;
}
.admin-recent-name {
    font-weight: 500;
    color: var(--admin-text-bright);
}
.admin-recent-email {
    color: var(--admin-text-dim);
    font-size: 0.75rem;
}
.admin-recent-score {
    font-weight: 600;
    color: var(--admin-accent);
}

/* ── Founder status card ────────────────────── */
.admin-founder-card {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.admin-founder-stat {
    text-align: center;
}
.admin-founder-stat .value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--admin-text-bright);
}
.admin-founder-stat .label {
    font-size: 0.72rem;
    color: var(--admin-text-dim);
    text-transform: uppercase;
}

/* ── Plan cards (payments) ──────────────────── */
.admin-plan-card {
    background: var(--admin-card);
    border: 1px solid var(--admin-card-border);
    border-radius: var(--admin-radius);
    padding: 1.5rem;
}
.admin-plan-card.popular {
    border-color: var(--admin-accent);
}
.admin-plan-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--admin-text-bright);
    margin-bottom: 0.5rem;
}
.admin-plan-card .price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--admin-accent);
    margin-bottom: 0.75rem;
}
.admin-plan-card .price small {
    font-size: 0.75rem;
    color: var(--admin-text-dim);
    font-weight: 400;
}
.admin-plan-card ul {
    list-style: none;
    padding: 0;
}
.admin-plan-card li {
    padding: 0.25rem 0;
    font-size: 0.8rem;
    color: var(--admin-text-dim);
}
.admin-plan-card li::before {
    content: '✓ ';
    color: var(--admin-accent);
}

/* ── Material card ──────────────────────────── */
.admin-material-card {
    background: var(--admin-card);
    border: 1px solid var(--admin-card-border);
    border-radius: var(--admin-radius);
    padding: 1.25rem;
}
.admin-material-card h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--admin-text-bright);
    margin-bottom: 0.5rem;
}
.admin-material-detail {
    font-size: 0.8rem;
    color: var(--admin-text-dim);
    margin-bottom: 0.25rem;
}
.admin-material-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

/* ═══════════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════════ */

@media (max-width: 1024px) {
    .admin-sidebar {
        transform: translateX(-100%);
    }
    .admin-sidebar.open {
        transform: translateX(0);
    }
    .admin-hamburger {
        display: flex;
    }
    .admin-main {
        margin-left: 0;
    }
    .admin-topbar {
        padding-left: 3.5rem;
    }
}

@media (max-width: 768px) {
    .admin-content {
        padding: 1rem;
    }
    .admin-row {
        flex-direction: column;
    }
    .admin-kpi-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .admin-modal {
        max-height: 90vh;
        padding: 1.5rem;
        margin: 1rem;
    }
    .admin-cards-grid {
        grid-template-columns: 1fr;
    }
}