/* ========================================
   ALERTS & NOTIFICATIONS
   ======================================== */

/* Base alert styles */
.alert {
    padding: 16px 20px;
    border-radius: var(--visual-radius-control);
    margin-bottom: 20px;
    border-left: 4px solid;
}

/* Success alert */
.alert-success {
    background: rgba(34, 197, 94, 0.25);
    border-left-color: #22c55e;
    color: var(--text-secondary, rgba(255, 255, 255, 0.9));
    backdrop-filter: blur(var(--visual-blur-control));
}

.alert-warning {
    background: rgba(251, 191, 36, 0.1);
    border-left-color: #fbbf24;
    color: var(--text-secondary, rgba(255, 255, 255, 0.9));
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-left-color: #ef4444;
    color: var(--text-secondary, rgba(255, 255, 255, 0.9));
}

/* ========================================
   NAVIGATION & TABS
   ======================================== */

/* Horizontal navigation tabs */
.nav-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    background: var(--glass-bg, rgba(255, 255, 255, 0.15));
    backdrop-filter: blur(var(--visual-blur-lg));
    -webkit-backdrop-filter: blur(var(--visual-blur-lg));
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.2));
    border-radius: var(--visual-radius-xl);
    padding: 4px;
    overflow: hidden;
}

.nav-tab {
    flex: 1;
    padding: 12px 20px;
    background: transparent;
    border: none;
    color: var(--text-muted, rgba(255, 255, 255, 0.7));
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: var(--visual-radius-control);
    position: relative;
}

    .nav-tab:hover {
        color: var(--text-primary, white);
        background: var(--visual-surface-subtle);
    }

    .nav-tab.active {
        color: var(--text-primary, white);
        background: var(--visual-surface-active);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

@media (prefers-reduced-motion: reduce) {
    .sidebar-submenu {
        transition: none !important;
    }
}