/* ============================================
   navigation.css - Top-Nav + Sidebar-Nav
   ============================================ */

/* ============================================
   TOP-NAVBAR
   ============================================ */
.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 18px;
    font-weight: 700;
    color: var(--color-white);
    text-decoration: none;
    white-space: nowrap;
    flex-shrink: 0;
}

.navbar-brand:hover {
    color: var(--color-white);
    opacity: 0.9;
}

.navbar-brand .brand-icon {
    font-size: 22px;
}

/* ============================================
   HAUPT-NAVIGATION (weniger Punkte)
   ============================================ */
.navbar-nav {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2px;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: var(--transition);
    font-size: 14px;
    white-space: nowrap;
    background: none;
    border: none;
    cursor: pointer;
}

.nav-link:hover {
    color: var(--color-white);
    background: rgba(255,255,255,0.1);
}

.nav-link.active {
    color: var(--color-white);
    background: rgba(52, 152, 219, 0.3);
}

.nav-link .nav-icon {
    font-size: 16px;
}

.nav-link .dropdown-arrow {
    font-size: 10px;
    margin-left: 2px;
    transition: transform 0.2s;
}

/* ============================================
   USER-BEREICH (rechts)
   ============================================ */
.navbar-right {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-shrink: 0;
}

/* Notification */
.notification-wrapper {
    position: relative;
}

.notification-badge {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--color-danger);
    color: var(--color-white);
    border-radius: 50%;
    padding: 1px 5px;
    font-size: 10px;
    min-width: 16px;
    text-align: center;
    font-weight: 600;
}

/* User-Menü */
.user-menu {
    position: relative;
}

.user-menu-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 6px 10px;
    background: rgba(255,255,255,0.1);
    border: none;
    border-radius: var(--radius-md);
    color: var(--color-white);
    cursor: pointer;
    transition: var(--transition);
    font-size: 14px;
}

.user-menu-toggle:hover {
    background: rgba(255,255,255,0.2);
}

.user-avatar {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    flex-shrink: 0;
}

.user-name {
    color: var(--color-white);
    font-weight: 500;
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ============================================
   DROPDOWN-MENÜS
   ============================================ */
.dropdown-menu {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    background: var(--color-white);
    min-width: 220px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    border-radius: var(--radius-lg);
    padding: 6px 0;
    z-index: 1100;
    animation: dropdownFadeIn 0.15s ease;
}

.dropdown-menu.active {
    display: block;
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 8px 16px;
    color: var(--color-text-dark);
    text-decoration: none;
    transition: background 0.15s;
    font-size: 14px;
}

.dropdown-menu a:hover {
    background: var(--color-bg-light);
    color: var(--color-primary);
}

.dropdown-menu .dropdown-header {
    padding: 10px 16px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 4px;
}

.dropdown-menu .dropdown-header strong {
    display: block;
    color: var(--color-text-dark);
    font-size: 14px;
    font-weight: 600;
}

.dropdown-menu .dropdown-header small {
    display: block;
    color: var(--color-text-light);
    font-size: 12px;
    margin-top: 2px;
    word-break: break-all;
}

.dropdown-menu hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 4px 0;
}

.dropdown-menu .text-danger {
    color: var(--color-danger) !important;
}

.dropdown-menu .text-danger:hover {
    background: #fde8e8;
    color: var(--color-danger-dark) !important;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   MOBILE TOGGLE
   ============================================ */
.navbar-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    padding: 6px;
    cursor: pointer;
}

.navbar-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: var(--transition);
}

.navbar-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.navbar-toggle.active span:nth-child(2) {
    opacity: 0;
}

.navbar-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   SIDEBAR-NAVIGATION (linke Seite)
   ============================================ */
.sidebar-toggle {
    display: none;
    width: 100%;
    padding: 12px var(--space-md);
    background: var(--color-bg-light);
    border: none;
    text-align: left;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text-dark);
    cursor: pointer;
    border-bottom: 1px solid var(--color-border);
}

.sidebar-toggle:hover {
    background: var(--color-border);
}

.sidebar-toggle .toggle-icon {
    float: right;
    transition: transform 0.2s;
}

.sidebar.collapsed .sidebar-toggle .toggle-icon {
    transform: rotate(-90deg);
}

.sidebar.collapsed .sidebar-menu,
.sidebar.collapsed .sidebar-divider {
    display: none;
}

/* ============================================
   SIDEBAR-GRUPPEN (Flyout-Menü)
   ============================================ */

.sidebar-group {
    padding: 0;
    border-bottom: 1px solid var(--color-border);
}

.sidebar-group:last-child {
    border-bottom: none;
}

/* ============================================
   Gruppen-Button (Titel)
   ============================================ */
.sidebar-group-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    padding: 12px var(--space-md);
    background: none;
    border: none;
    text-align: left;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.sidebar-group-toggle:hover {
    background: var(--color-bg-light);
    color: var(--color-primary);
}

.sidebar-group-toggle.active {
    background: #e7f3ff;
    color: var(--color-primary);
    border-left: 3px solid var(--color-primary);
    padding-left: calc(var(--space-md) - 3px);
}

.sidebar-group-toggle .group-icon {
    font-size: 16px;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-group-toggle .group-label {
    flex: 1;
}

.sidebar-group-toggle .group-arrow {
    font-size: 18px;
    color: var(--color-text-light);
    transition: transform 0.2s;
    flex-shrink: 0;
    line-height: 1;
}

/* ============================================
   Flyout (ausklappbarer Bereich)
   ============================================ */
.sidebar-flyout {
    display: none;
    background: var(--color-bg-light);
    border-top: 1px solid var(--color-border);
}

.sidebar-flyout.open {
    display: block;
    animation: flyoutSlide 0.2s ease;
}

@keyframes flyoutSlide {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 500px;
    }
}

.sidebar-flyout a {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 10px var(--space-md) 10px calc(var(--space-md) + 20px);
    color: var(--color-text);
    text-decoration: none;
    font-size: 13px;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.sidebar-flyout a:hover {
    background: var(--color-white);
    color: var(--color-primary);
    border-left-color: var(--color-primary);
}

.sidebar-flyout a.active {
    background: var(--color-white);
    color: var(--color-primary);
    font-weight: 500;
    border-left-color: var(--color-primary);
}

.sidebar-flyout .flyout-icon {
    font-size: 14px;
    width: 16px;
    text-align: center;
    flex-shrink: 0;
    opacity: 0.7;
}

/* ============================================
   Responsive: Mobile Sidebar (Accordion)
   ============================================ */
@media (max-width: 768px) {
    .sidebar-group-toggle {
        padding: 14px var(--space-md);
        font-size: 15px;
    }

    .sidebar-flyout a {
        padding: 12px var(--space-md) 12px calc(var(--space-md) + 24px);
        font-size: 14px;
    }
}