/* ===============================
   MODERN NAVIGATION - AUDIOVISUAL PRO
   =============================== */

/* Modern Navigation Variables */
:root {
    --nav-height: 60px;
    --nav-bg: #ffffff;
    --nav-border: #e1e5e9;
    --nav-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    
    /* Action buttons */
    --action-btn-size: 44px;
    --action-btn-bg: #f8f9fa;
    --action-btn-hover: #e9ecef;
    --action-btn-active: var(--primary-color);
    
    /* Notifications */
    --notification-color: #dc3545;
    --notification-bg: #fff;
    
    /* User menu */
    --dropdown-bg: #ffffff;
    --dropdown-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    --dropdown-border: #e1e5e9;
}

/* Reset existing navbar styles */
.navbar-fixed {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: var(--nav-bg);
    border-bottom: 1px solid var(--nav-border);
    box-shadow: var(--nav-shadow);
    z-index: 1000;
    backdrop-filter: blur(20px);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ===============================
   Logo Section
   =============================== */
.navbar-left {
    display: flex;
    align-items: center;
    gap: 2rem;
    flex: 0 0 auto;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 700;
    transition: var(--transition-normal);
}

.navbar-logo i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.navbar-logo:hover {
    color: var(--primary-color);
}

/* ===============================
   Search Bar
   =============================== */
.navbar-search {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--bg-secondary);
    border: 1px solid transparent;
    border-radius: 24px;
    padding: 0.5rem 1rem;
    min-width: 300px;
    transition: var(--transition-normal);
}

.navbar-search:focus-within {
    background: var(--bg-primary);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.navbar-search i {
    color: var(--text-light);
    margin-right: 0.75rem;
}

.navbar-search input {
    flex: 1;
    border: none;
    background: none;
    outline: none;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.navbar-search input::placeholder {
    color: var(--text-light);
}

.search-results {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    right: 0;
    background: var(--dropdown-bg);
    border: 1px solid var(--dropdown-border);
    border-radius: var(--border-radius);
    box-shadow: var(--dropdown-shadow);
    max-height: 400px;
    overflow-y: auto;
    z-index: 1001;
    display: none;
}

/* ===============================
   Center Navigation
   =============================== */
.navbar-center {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    justify-content: center;
}

.nav-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    text-decoration: none;
    color: var(--text-secondary);
    border-radius: var(--border-radius);
    transition: var(--transition-normal);
    position: relative;
    min-width: 80px;
}

.nav-tab i {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.nav-tab .nav-label {
    font-size: 0.75rem;
    font-weight: 500;
}

.nav-tab:hover {
    color: var(--primary-color);
    background: var(--bg-secondary);
}

.nav-tab.active {
    color: var(--primary-color);
}

.nav-tab.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}

/* ===============================
   Right Actions
   =============================== */
.navbar-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 0 0 auto;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.action-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: var(--action-btn-size);
    height: var(--action-btn-size);
    background: var(--action-btn-bg);
    border: none;
    border-radius: 50%;
    color: var(--text-secondary);
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-normal);
}

.action-btn:hover {
    background: var(--action-btn-hover);
    color: var(--text-primary);
}

.action-btn.active {
    background: var(--action-btn-active);
    color: white;
}

.create-btn {
    background: var(--primary-color);
    color: white;
}

.create-btn:hover {
    background: var(--primary-dark);
    color: white;
}

.notification-badge {
    position: absolute;
    top: -2px;
    right: -2px;
    background: var(--notification-color);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    min-width: 18px;
    height: 18px;
    border-radius: 9px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--nav-bg);
}

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

.user-profile-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--border-radius);
    transition: var(--transition-normal);
}

.user-profile-btn:hover {
    background: var(--action-btn-bg);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
}

.dropdown-arrow {
    font-size: 0.8rem;
    color: var(--text-light);
    transition: var(--transition-normal);
}

.user-menu:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 280px;
    background: var(--dropdown-bg);
    border: 1px solid var(--dropdown-border);
    border-radius: var(--border-radius);
    box-shadow: var(--dropdown-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-normal);
    z-index: 1001;
}

.user-menu:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid var(--dropdown-border);
}

.dropdown-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.user-info {
    flex: 1;
}

.user-name {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.user-email {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition-normal);
}

.dropdown-item:hover {
    background: var(--bg-secondary);
}

.dropdown-item i {
    width: 16px;
    color: var(--text-secondary);
}

.logout-item {
    color: var(--error-color);
}

.logout-item i {
    color: var(--error-color);
}

.dropdown-divider {
    height: 1px;
    background: var(--dropdown-border);
    margin: 0.5rem 0;
}

/* ===============================
   Guest Actions
   =============================== */
.guest-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-login {
    padding: 0.5rem 1rem;
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-normal);
}

.btn-login:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-register {
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    border: none;
    border-radius: var(--border-radius);
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition-normal);
}

.btn-register:hover {
    background: var(--primary-dark);
}

/* ===============================
   Notifications Dropdown
   =============================== */
.notifications-dropdown {
    position: fixed;
    top: var(--nav-height);
    right: 1rem;
    width: 360px;
    max-height: 500px;
    background: var(--dropdown-bg);
    border: 1px solid var(--dropdown-border);
    border-radius: var(--border-radius);
    box-shadow: var(--dropdown-shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-normal);
    z-index: 1001;
}

.notifications-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.notifications-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border-bottom: 1px solid var(--dropdown-border);
}

.notifications-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.mark-all-read {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-normal);
}

.mark-all-read:hover {
    background: var(--bg-secondary);
}

.notifications-list {
    max-height: 300px;
    overflow-y: auto;
}

.notification-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 2rem;
    color: var(--text-secondary);
}

.notifications-footer {
    padding: 1rem;
    border-top: 1px solid var(--dropdown-border);
    text-align: center;
}

.notifications-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
}

/* ===============================
   Mobile Navigation
   =============================== */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 3px;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
}

.hamburger-line {
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 1px;
    transition: var(--transition-normal);
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: var(--dropdown-bg);
    border-left: 1px solid var(--dropdown-border);
    box-shadow: -8px 0 32px rgba(0, 0, 0, 0.12);
    transition: var(--transition-normal);
    z-index: 1002;
    overflow-y: auto;
}

.mobile-menu.show {
    right: 0;
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: 1001;
}

.mobile-overlay.show {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border-bottom: 1px solid var(--dropdown-border);
}

.mobile-user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.mobile-user-name {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
}

.mobile-user-type {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: capitalize;
}

.mobile-menu-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition-normal);
}

.mobile-menu-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* ===============================
   Responsive Design
   =============================== */
@media (max-width: 1024px) {
    .navbar-search {
        min-width: 250px;
    }
    
    .nav-tab .nav-label {
        display: none;
    }
    
    .nav-tab {
        min-width: 60px;
    }
}

@media (max-width: 768px) {
    .navbar-container {
        padding: 0 1rem;
    }
    
    .navbar-search {
        display: none;
    }
    
    .navbar-center {
        display: none;
    }
    
    .navbar-actions .action-btn:not(.messages-btn):not(.notifications-btn) {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .user-dropdown {
        right: 0;
        left: auto;
        min-width: 250px;
    }
}

@media (max-width: 480px) {
    .navbar-container {
        padding: 0 0.75rem;
    }
    
    .navbar-logo span {
        display: none;
    }
    
    .user-profile-btn .dropdown-arrow {
        display: none;
    }
}