/* 
 * Sidebar Navigation für CityChallenge Forms
 * Basiert auf Screenshot-Referenz mit vertikaler Navigation
 */

/* Sidebar Navigation */
.sidebar-nav {
    list-style: none;
    padding: 1rem 0;
    margin: 0;
}

.sidebar-nav-item {
    margin: 0;
}

.sidebar-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--dark);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
    position: relative;
}

.sidebar-nav-link:hover {
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--primary);
    text-decoration: none;
    border-left-color: var(--primary);
}

.sidebar-nav-link.active {
    background-color: rgba(37, 99, 235, 0.15);
    color: var(--primary);
    border-left-color: var(--primary);
    font-weight: 600;
}

/* Icons */
.sidebar-nav-icon {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--gray);
    transition: color 0.2s ease;
    flex-shrink: 0;
}

.sidebar-nav-link:hover .sidebar-nav-icon,
.sidebar-nav-link.active .sidebar-nav-icon {
    color: var(--primary);
}

/* Text Labels */
.sidebar-nav-text {
    transition: opacity 0.2s ease;
    white-space: nowrap;
    overflow: hidden;
}

/* Kollabierte Sidebar */
.app-layout.sidebar-collapsed .sidebar-nav-text {
    opacity: 0;
    width: 0;
}

.app-layout.sidebar-collapsed .sidebar-nav-link {
    justify-content: center;
    padding: 0.75rem;
    gap: 0;
    border-left: none;
    border-right: 3px solid transparent;
}

.app-layout.sidebar-collapsed .sidebar-nav-link:hover,
.app-layout.sidebar-collapsed .sidebar-nav-link.active {
    border-left: none;
    border-right-color: var(--primary);
}

.app-layout.sidebar-collapsed .sidebar-nav-icon {
    font-size: 1.125rem;
}

/* Tooltips für kollabierte Sidebar */
.app-layout.sidebar-collapsed .sidebar-nav-link {
    position: relative;
}

.app-layout.sidebar-collapsed .sidebar-nav-link::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(100% + 0.5rem);
    top: 50%;
    transform: translateY(-50%);
    background: var(--dark);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: 4px;
    font-size: 0.8125rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 1050;
    pointer-events: none;
}

.app-layout.sidebar-collapsed .sidebar-nav-link:hover::after {
    opacity: 1;
    visibility: visible;
}

/* Navigation Gruppen */
.sidebar-nav-group {
    margin-top: 1.5rem;
}

.sidebar-nav-group:first-child {
    margin-top: 0;
}

.sidebar-nav-group-title {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 0.025em;
    margin-bottom: 0.5rem;
    transition: opacity 0.2s ease;
}

.app-layout.sidebar-collapsed .sidebar-nav-group-title {
    opacity: 0;
    height: 0;
    padding: 0;
    margin: 0;
    overflow: hidden;
}

/* Badge/Counter */
.sidebar-nav-badge {
    background: var(--primary);
    color: white;
    font-size: 0.75rem;
    padding: 0.125rem 0.375rem;
    border-radius: 10px;
    margin-left: auto;
    font-weight: 600;
    min-width: 18px;
    text-align: center;
    transition: opacity 0.2s ease;
}

.app-layout.sidebar-collapsed .sidebar-nav-badge {
    opacity: 0;
    width: 0;
    padding: 0;
    margin: 0;
    overflow: hidden;
}

/* Sidebar Footer */
.sidebar-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1rem;
    border-top: 1px solid #e5e7eb;
    background: var(--sidebar-bg);
}

.sidebar-footer-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8125rem;
    color: var(--gray);
    transition: opacity 0.2s ease;
}

.app-layout.sidebar-collapsed .sidebar-footer-content {
    opacity: 0;
}

/* Navigation Icons werden in icon-components.css definiert */
/* Diese Datei übernimmt die Basis-Strukturierung, Icons kommen von icon-components.css */

/* Icon-spezifische Definitionen sind in icon-components.css definiert */
/* Hier nur spezielle Sidebar-Konfiguration für Icons */

/* Responsive Verhalten */
@media (max-width: 991px) {
    /* Sidebar als Overlay auf Tablet/Mobile */
    .sidebar-nav-link {
        padding: 1rem;
    }
    
    .sidebar-nav-icon {
        font-size: 1.125rem;
    }
    
    .sidebar-nav-text {
        font-size: 0.9375rem;
    }
    
    .sidebar-footer {
        padding: 1.25rem;
    }
}

@media (max-width: 767px) {
    /* Mobile Optimierungen */
    .sidebar-nav {
        padding: 0.5rem 0;
    }
    
    .sidebar-nav-link {
        padding: 0.875rem 1rem;
        font-size: 1rem;
    }
    
    .sidebar-nav-group-title {
        padding: 0.625rem 1rem;
        font-size: 0.8125rem;
    }
}

/* Animation für Sidebar Toggle */
.sidebar-nav-link {
    transform: translateX(0);
    transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.app-sidebar.closing .sidebar-nav-link {
    transform: translateX(-10px);
    opacity: 0.7;
}

/* Hover-Effekte für bessere UX */
.sidebar-nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: linear-gradient(90deg, var(--primary), transparent);
    transition: width 0.2s ease;
    opacity: 0.1;
}

.sidebar-nav-link:hover::before {
    width: 100%;
}

/* Focus States für Accessibility */
.sidebar-nav-link:focus {
    outline: none;
    box-shadow: inset 0 0 0 2px rgba(37, 99, 235, 0.3);
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .sidebar-nav-link {
        border-left-width: 4px;
    }
    
    .sidebar-nav-link.active,
    .sidebar-nav-link:hover {
        background-color: rgba(37, 99, 235, 0.3);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .sidebar-nav-link,
    .sidebar-nav-text,
    .sidebar-nav-icon,
    .sidebar-nav-badge {
        transition: none !important;
    }
    
    .app-sidebar.closing .sidebar-nav-link {
        transform: none;
    }
}

/* Print Styles */
@media print {
    .app-sidebar {
        display: none !important;
    }
}