/* ============================================================
   settings.css — Estilo visual unificado para Ajustes
   Replica el vocabulario visual del SyncCenter modal.
   ============================================================ */

:root {
    --stg-bg: #0f172a;
    --stg-card-bg: #111827;
    --stg-border: rgba(148, 163, 184, 0.15);
    --stg-border-card: #243044;
    --stg-text-primary: #f8fafc;
    --stg-text-secondary: #94a3b8;
    --stg-text-muted: #64748b;
    --stg-accent: #06b6d4;
    --stg-accent-glow: rgba(6, 182, 212, 0.15);
    --stg-success: #10b981;
    --stg-warning: #f59e0b;
    --stg-danger: #ef4444;
    --stg-radius: 14px;
    --stg-radius-sm: 10px;
}

/* ─── Panel principal de seccion ─── */
.stg-panel {
    background: var(--stg-bg);
    border: 1px solid var(--stg-border);
    border-radius: var(--stg-radius);
    padding: 18px;
    margin-bottom: 16px;
}

.stg-panel.accent {
    border-color: var(--stg-accent);
    box-shadow: 0 0 20px rgba(6, 182, 212, 0.06);
}

.stg-panel.connected {
    border-color: #4285F4;
}

/* ─── Header de seccion ─── */
.stg-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.stg-header h3 {
    margin: 0;
    color: var(--stg-text-primary);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.stg-header p {
    margin: 4px 0 0;
    color: var(--stg-text-secondary);
    font-size: 0.85rem;
    line-height: 1.35;
}

/* ─── Barra de estado (3 columnas) ─── */
.stg-status-bar {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    margin-bottom: 14px;
}

.stg-status-cell {
    background: var(--stg-card-bg);
    border: 1px solid var(--stg-border-card);
    border-radius: var(--stg-radius-sm);
    padding: 10px;
    min-width: 0;
}

.stg-status-cell .stg-label {
    display: block;
    color: var(--stg-text-muted);
    font-size: 0.68rem;
    text-transform: uppercase;
    font-weight: 800;
    margin-bottom: 4px;
    letter-spacing: 0.03em;
}

.stg-status-cell .stg-value {
    display: block;
    color: var(--stg-text-primary);
    font-size: 0.82rem;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.stg-status-cell .stg-value.success { color: var(--stg-success); }
.stg-status-cell .stg-value.warning { color: var(--stg-warning); }
.stg-status-cell .stg-value.danger  { color: var(--stg-danger); }
.stg-status-cell .stg-value.accent  { color: var(--stg-accent); }

/* ─── Subcard interna ─── */
.stg-card {
    background: var(--stg-card-bg);
    border: 1px solid var(--stg-border-card);
    border-radius: var(--stg-radius-sm);
    padding: 14px;
}

.stg-card-title {
    color: var(--stg-text-secondary);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 10px;
}

/* ─── Switch row (toggle on/off) ─── */
.stg-switch-row {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    text-align: left;
    background: var(--stg-card-bg);
    border: 1px solid var(--stg-border-card);
    border-radius: var(--stg-radius-sm);
    padding: 12px 14px;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease;
    margin-bottom: 8px;
}

.stg-switch-row:last-child {
    margin-bottom: 0;
}

.stg-switch-row:hover {
    border-color: #334155;
}

.stg-switch-copy {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
    flex: 1;
}

.stg-switch-copy strong {
    color: var(--stg-text-primary);
    font-size: 0.86rem;
    font-weight: 700;
}

.stg-switch-copy small {
    color: var(--stg-text-secondary);
    font-size: 0.73rem;
    line-height: 1.35;
}

/* El switch track */
.stg-switch-track {
    flex-shrink: 0;
    width: 44px;
    height: 24px;
    background: #334155;
    border-radius: 24px;
    position: relative;
    border: 1.5px solid #334155;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.stg-switch-handle {
    width: 18px;
    height: 18px;
    background: #94a3b8;
    border-radius: 50%;
    position: absolute;
    top: 1.5px;
    left: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Estado activo */
.stg-switch-row.is-active .stg-switch-track {
    background: var(--stg-success);
    border-color: var(--stg-success);
}

.stg-switch-row.is-active .stg-switch-handle {
    left: 22px;
    background: #ffffff;
}

/* Hidden real checkbox */
.stg-switch-row input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

/* ─── Grid de acciones (2x2) ─── */
.stg-actions-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 10px;
}

.stg-action {
    border: 1px solid #334155;
    background: var(--stg-card-bg);
    color: #e2e8f0;
    border-radius: var(--stg-radius-sm);
    padding: 13px;
    display: grid;
    grid-template-columns: 38px 1fr;
    gap: 11px;
    align-items: center;
    text-align: left;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s, box-shadow 0.15s;
}

.stg-action:hover,
.stg-action:focus-visible {
    border-color: var(--stg-accent);
    background: rgba(6, 182, 212, 0.08);
    box-shadow: inset 0 0 0 1px var(--stg-accent-glow);
    outline: none;
}

.stg-action-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--stg-radius-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(6, 182, 212, 0.12);
    color: var(--stg-accent);
    font-size: 1.15rem;
    font-weight: 800;
}

.stg-action-copy {
    display: grid;
    gap: 3px;
    min-width: 0;
}

.stg-action-copy strong {
    color: var(--stg-text-primary);
    font-size: 0.88rem;
}

.stg-action-copy small {
    color: var(--stg-text-secondary);
    font-size: 0.74rem;
    line-height: 1.35;
}

/* Variante secundaria (lista vertical) */
.stg-actions-list {
    display: grid;
    gap: 10px;
}

.stg-action.secondary {
    grid-template-columns: 34px 1fr;
    padding: 11px 12px;
}

.stg-action.secondary .stg-action-icon {
    width: 34px;
    height: 34px;
    color: var(--stg-text-secondary);
    background: rgba(148, 163, 184, 0.1);
}

/* Variante de color para acciones de Firebase */
.stg-action-icon.blue {
    background: rgba(66, 133, 244, 0.12);
    color: #4285F4;
}

.stg-action-icon.green {
    background: rgba(16, 185, 129, 0.12);
    color: var(--stg-success);
}

.stg-action-icon.cyan {
    background: rgba(6, 182, 212, 0.12);
    color: var(--stg-accent);
}

/* Accion que abarca 2 columnas */
.stg-action.span-2 {
    grid-column: span 2;
}

/* ─── Zona de peligro ─── */
.stg-danger-zone {
    padding: 14px;
    background: rgba(239, 68, 68, 0.05);
    border-radius: var(--stg-radius-sm);
    border: 1px dashed rgba(239, 68, 68, 0.3);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-top: 14px;
}

.stg-danger-zone-copy {
    flex: 1;
    min-width: 0;
}

.stg-danger-zone-title {
    color: var(--stg-danger);
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.stg-danger-zone-desc {
    font-size: 0.75rem;
    color: var(--stg-text-secondary);
}

/* ─── Divider ─── */
.stg-divider {
    border: none;
    border-top: 1px solid var(--stg-border-card);
    margin: 14px 0;
}

/* ─── Info callout (tip box) ─── */
.stg-callout {
    font-size: 0.75rem;
    color: var(--stg-text-muted);
    line-height: 1.6;
    background: rgba(59, 130, 246, 0.08);
    padding: 12px;
    border-radius: 8px;
    border-left: 3px solid #3b82f6;
}

.stg-callout strong {
    color: #93c5fd;
}

/* ─── Footer de version ─── */
.stg-footer {
    margin-top: 24px;
    padding: 14px;
    border-top: 1px solid var(--stg-border-card);
    text-align: center;
    color: var(--stg-text-muted);
    font-size: 0.75rem;
}

.stg-footer strong {
    color: var(--stg-text-secondary);
}

/* ─── User card (connected account) ─── */
.stg-user-card {
    background: rgba(16, 185, 129, 0.08);
    padding: 14px;
    border-radius: var(--stg-radius-sm);
    border: 1px solid rgba(16, 185, 129, 0.25);
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.stg-user-card img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #334155;
    flex-shrink: 0;
}

.stg-user-card-info {
    flex: 1;
    min-width: 0;
}

.stg-user-card-name {
    color: var(--stg-text-primary);
    font-weight: 600;
    font-size: 0.95rem;
}

.stg-user-card-email {
    color: var(--stg-text-secondary);
    font-size: 0.8rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ─── Progress bar mini ─── */
.stg-progress {
    background: #1e293b;
    height: 4px;
    border-radius: 2px;
    overflow: hidden;
    margin: 6px 0;
}

.stg-progress-bar {
    height: 100%;
    transition: width 0.3s;
    border-radius: 2px;
}

/* ─── Snapshot entry ─── */
.stg-snapshot {
    background: var(--stg-card-bg);
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--stg-border-card);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.stg-snapshot-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

/* ─── Login CTA (Google) ─── */
.stg-login-cta {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 14px;
    background: white;
    color: #374151;
    font-weight: 600;
    border: 1px solid #d1d5db;
    border-radius: var(--stg-radius-sm);
    cursor: pointer;
    transition: all 0.2s;
}

.stg-login-cta:hover {
    background: #f9fafb;
    border-color: #9ca3af;
}

/* ─── Responsive ─── */
@media (max-width: 640px) {
    .stg-status-bar {
        grid-template-columns: 1fr;
    }

    .stg-actions-grid {
        grid-template-columns: 1fr;
    }

    .stg-action.span-2 {
        grid-column: span 1;
    }

    .stg-danger-zone {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
}