/**
 * Header & Navigation - Custom Styles
 * Bootstrap ile yapılamayan özel header stilleri
 */

/* ===== Bootstrap 5 Utility Classes (App wrapper için) ===== */
.new-theme-wrapper .position-fixed { position: fixed !important; }
.new-theme-wrapper .position-absolute { position: absolute !important; }
.new-theme-wrapper .position-relative { position: relative !important; }
.new-theme-wrapper .sticky-top { position: sticky !important; top: 0; z-index: 1020; }
.new-theme-wrapper .top-0 { top: 0 !important; }
.new-theme-wrapper .start-0 { left: 0 !important; }
.new-theme-wrapper .end-0 { right: 0 !important; }
.new-theme-wrapper .w-100 { width: 100% !important; }
.new-theme-wrapper .h-100 { height: 100% !important; }

/* Flexbox Utilities */
.new-theme-wrapper .d-flex { display: flex !important; }
.new-theme-wrapper .d-inline-flex { display: inline-flex !important; }
.new-theme-wrapper .d-none { display: none !important; }
.new-theme-wrapper .d-block { display: block !important; }
.new-theme-wrapper .flex-column { flex-direction: column !important; }
.new-theme-wrapper .flex-row { flex-direction: row !important; }
.new-theme-wrapper .flex-grow-1 { flex-grow: 1 !important; }
.new-theme-wrapper .flex-shrink-0 { flex-shrink: 0 !important; }
.new-theme-wrapper .flex-wrap { flex-wrap: wrap !important; }
.new-theme-wrapper .align-items-center { align-items: center !important; }
.new-theme-wrapper .align-items-start { align-items: flex-start !important; }
.new-theme-wrapper .justify-content-center { justify-content: center !important; }
.new-theme-wrapper .justify-content-between { justify-content: space-between !important; }
.new-theme-wrapper .justify-content-end { justify-content: flex-end !important; }

/* Display responsive utilities */
.new-theme-wrapper .d-sm-block { display: block !important; }
.new-theme-wrapper .d-md-flex { display: flex !important; }
.new-theme-wrapper .d-md-block { display: block !important; }
.new-theme-wrapper .d-xl-none { display: none !important; }
.new-theme-wrapper .d-xl-flex { display: flex !important; }

@media (max-width: 575.98px) {
    .new-theme-wrapper .d-none.d-sm-block { display: none !important; }
}
@media (min-width: 576px) {
    .new-theme-wrapper .d-none.d-sm-block { display: block !important; }
}
@media (max-width: 767.98px) {
    .new-theme-wrapper .d-none.d-md-flex { display: none !important; }
    .new-theme-wrapper .d-none.d-md-block { display: none !important; }
}
@media (min-width: 768px) {
    .new-theme-wrapper .d-none.d-md-flex { display: flex !important; }
    .new-theme-wrapper .d-none.d-md-block { display: block !important; }
}
@media (max-width: 1199.98px) {
    .new-theme-wrapper .d-xl-flex { display: none !important; }
    .new-theme-wrapper .d-xl-none { display: block !important; }
}
@media (min-width: 1200px) {
    .new-theme-wrapper .d-xl-flex { display: flex !important; }
    .new-theme-wrapper .d-xl-none { display: none !important; }
    .new-theme-wrapper .d-none.d-xl-flex { display: flex !important; }
}

/* Spacing Utilities */
.new-theme-wrapper .p-1 { padding: 0.25rem !important; }
.new-theme-wrapper .p-2 { padding: 0.5rem !important; }
.new-theme-wrapper .p-3 { padding: 1rem !important; }
.new-theme-wrapper .p-4 { padding: 1.5rem !important; }
.new-theme-wrapper .px-2 { padding-left: 0.5rem !important; padding-right: 0.5rem !important; }
.new-theme-wrapper .px-3 { padding-left: 1rem !important; padding-right: 1rem !important; }
.new-theme-wrapper .px-4 { padding-left: 1.5rem !important; padding-right: 1.5rem !important; }
.new-theme-wrapper .py-1 { padding-top: 0.25rem !important; padding-bottom: 0.25rem !important; }
.new-theme-wrapper .py-2 { padding-top: 0.5rem !important; padding-bottom: 0.5rem !important; }
.new-theme-wrapper .py-3 { padding-top: 1rem !important; padding-bottom: 1rem !important; }
.new-theme-wrapper .py-4 { padding-top: 1.5rem !important; padding-bottom: 1.5rem !important; }
.new-theme-wrapper .mb-0 { margin-bottom: 0 !important; }
.new-theme-wrapper .mb-1 { margin-bottom: 0.25rem !important; }
.new-theme-wrapper .mb-2 { margin-bottom: 0.5rem !important; }
.new-theme-wrapper .mb-3 { margin-bottom: 1rem !important; }
.new-theme-wrapper .my-1 { margin-top: 0.25rem !important; margin-bottom: 0.25rem !important; }
.new-theme-wrapper .me-auto { margin-right: auto !important; }
.new-theme-wrapper .ms-2 { margin-left: 0.5rem !important; }
.new-theme-wrapper .gap-1 { gap: 0.25rem !important; }
.new-theme-wrapper .gap-2 { gap: 0.5rem !important; }
.new-theme-wrapper .gap-3 { gap: 1rem !important; }

@media (min-width: 768px) {
    .new-theme-wrapper .px-md-4 { padding-left: 1.5rem !important; padding-right: 1.5rem !important; }
}

/* Typography */
.new-theme-wrapper .fs-4 { font-size: 1.5rem !important; }
.new-theme-wrapper .fs-5 { font-size: 1.25rem !important; }
.new-theme-wrapper .fs-6 { font-size: 1rem !important; }
.new-theme-wrapper .fw-medium { font-weight: 500 !important; }
.new-theme-wrapper .fw-semibold { font-weight: 600 !important; }
.new-theme-wrapper .fw-bold { font-weight: 700 !important; }
.new-theme-wrapper .text-decoration-none { text-decoration: none !important; }
.new-theme-wrapper .small { font-size: 0.875rem !important; }
.new-theme-wrapper .lh-lg { line-height: 1.75 !important; }

/* Colors */
.new-theme-wrapper .text-white { color: #fff !important; }
.new-theme-wrapper .text-white-50 { color: rgba(255,255,255,0.5) !important; }
.new-theme-wrapper .text-dark { color: var(--text-dark, #1e293b) !important; }
.new-theme-wrapper .text-muted { color: var(--medium-gray, #94a3b8) !important; }
.new-theme-wrapper .text-danger { color: #dc3545 !important; }
.new-theme-wrapper .bg-white { background-color: #fff !important; }
.new-theme-wrapper .bg-opacity-10 { background-color: rgba(255,255,255,0.1) !important; }

/* Border & Radius */
.new-theme-wrapper .rounded-2 { border-radius: 0.375rem !important; }
.new-theme-wrapper .rounded-3 { border-radius: 0.5rem !important; }
.new-theme-wrapper .rounded-4 { border-radius: 1rem !important; }
.new-theme-wrapper .rounded-pill { border-radius: 50rem !important; }
.new-theme-wrapper .rounded-circle { border-radius: 50% !important; }
.new-theme-wrapper .overflow-hidden { overflow: hidden !important; }
.new-theme-wrapper .border-0 { border: 0 !important; }
.new-theme-wrapper .border-bottom { border-bottom: 1px solid var(--light-gray, #e2e8f0) !important; }
.new-theme-wrapper .shadow { box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.15) !important; }
.new-theme-wrapper .shadow-lg { box-shadow: 0 1rem 3rem rgba(0,0,0,0.175) !important; }

/* Lists */
.new-theme-wrapper .list-unstyled { padding-left: 0; list-style: none; margin-bottom: 0; }

/* Custom Theme Classes */
.new-theme-wrapper .font-display { font-family: var(--font-display, 'Outfit', sans-serif) !important; }
.new-theme-wrapper .text-primary-navy { color: var(--primary-navy, #0b2564) !important; }
.new-theme-wrapper .text-primary-blue { color: var(--primary-blue, #1d3989) !important; }
.new-theme-wrapper .text-accent-gold { color: var(--accent-gold, #d4a739) !important; }
.new-theme-wrapper .bg-gradient-primary { background: var(--gradient-primary, linear-gradient(135deg, #0b2564 0%, #1d3989 100%)) !important; }

/* Cursor */
.new-theme-wrapper .cursor-pointer { cursor: pointer !important; }

/* Transition helper */
.new-theme-wrapper .transition-all { transition: all 0.2s ease !important; }
.new-theme-wrapper .rotate-180 { transform: rotate(180deg) !important; }

/* ===== Mobile Menu Button ===== */
.mobile-menu-btn {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.15) !important;
    border: none !important;
    border-radius: 8px;
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    transition: background 0.2s ease;
    cursor: pointer;
    padding: 0 !important;
}

.mobile-menu-btn:hover,
.mobile-menu-btn:focus {
    background: rgba(255, 255, 255, 0.25) !important;
    outline: none;
}

/* ===== Header Brand (Logo + Title) ===== */
.header-brand,
.header-brand h1,
.header-brand span {
    color: #ffffff !important;
}

.hamburger-line {
    width: 22px;
    height: 3px;
    background: #ffffff !important;
    border-radius: 2px;
    transition: all 0.3s ease;
    display: block;
}

.mobile-menu-btn.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== Navigation Dropdown ===== */
.nav-item.has-dropdown .nav-link {
    transition: background var(--transition-fast);
}

.nav-item.has-dropdown .nav-link:hover {
    background: rgba(255, 255, 255, 0.15);
}

.nav-dropdown {
    min-width: 220px;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.25s ease;
    z-index: 1000;
}

.nav-item.has-dropdown:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
}

.nav-dropdown a {
    color: var(--text-dark);
    font-size: 0.9rem;
    font-weight: 500;
    transition: background var(--transition-fast);
}

.nav-dropdown a:hover {
    background: var(--off-white);
}

/* ===== Department & User Dropdowns ===== */
.dept-selector-btn,
.user-menu {
    background: rgba(255, 255, 255, 0.1);
    transition: background var(--transition-fast);
    height: 46px;
}

.dept-selector-btn:hover,
.user-menu:hover {
    background: rgba(255, 255, 255, 0.18);
}

.dept-dropdown,
.user-dropdown {
    animation: dropdownFadeIn 0.2s ease;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dept-dropdown-item {
    transition: background var(--transition-fast);
}

.dept-dropdown-item:hover {
    background: var(--off-white);
}

.dept-dropdown-item.active {
    background: linear-gradient(135deg, rgba(11, 37, 100, 0.08) 0%, rgba(29, 57, 137, 0.1) 100%);
}

.dropdown-item {
    transition: background var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--off-white);
}

/* ===== Mobile Menu Overlay ===== */
.mobile-menu-overlay {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 98;
    margin-top: 70px;
}

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

/* ===== Mobile Menu ===== */
.mobile-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    z-index: 1040;
    background: linear-gradient(135deg, #064d47 0%, #26b3a6 100%);
}

.mobile-menu.open {
    max-height: 80vh;
    overflow-y: auto;
}

.mobile-menu-title {
    background: rgba(255, 255, 255, 0.1);
    transition: background var(--transition-fast);
}

.mobile-menu-title:hover {
    background: rgba(255, 255, 255, 0.18);
}

.mobile-menu-list {
    max-height: 0;
    transition: max-height 0.3s ease;
}

.mobile-menu-group.expanded .mobile-menu-list {
    max-height: 500px;
}

.mobile-menu-list a {
    transition: all 0.2s ease;
    color: rgba(255, 255, 255, 0.7) !important;
}

.mobile-menu-list a:hover,
.mobile-menu-list a:active {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff !important;
}

/* ===== New Theme Header ===== */
.new-theme-header .page-logo h2 {
    font-family: var(--font-display);
}

.new-theme-header .dropdown-menu {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
}

/* ===== Fixed Header & Scroll Behavior ===== */
.unified-header {
    position: fixed !important;
    top: 25px; /* Account for top spacer */
    left: 0;
    right: 0;
    z-index: 1030 !important;
    transition: all 0.3s ease;
}

/* When scrolled, header sticks to very top */
.unified-header.scrolled {
    top: 0;
}

.unified-header .header-content {
    transition: padding 0.3s ease;
}

.unified-header .header-logo {
    transition: all 0.3s ease;
}

.unified-header h1 {
    transition: font-size 0.3s ease;
}

/* Scrolled state - smaller header */
.unified-header.scrolled .header-content {
    padding-top: 0.5rem !important;
    padding-bottom: 0.5rem !important;
}

.unified-header.scrolled .header-logo {
    width: 40px !important;
    height: 40px !important;
}

.unified-header.scrolled h1 {
    font-size: 1.1rem !important;
}

/* Content offset for fixed header */
.page-wrapper .page-wrapper-row:first-child .page-wrapper-top + * {
    padding-top: 80px;
}

/* Body padding for fixed header */
.new-theme-wrapper .page-content-wrapper {
    padding-top: 85px;
}

/* ===== Top Spacer ===== */
.top-spacer {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 25px;
    background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
    z-index: 1025; /* Below header */
}

/* ===== Scroll to Top Button ===== */
.scroll-to-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary, linear-gradient(135deg, #0b2564 0%, #1d3989 100%));
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 0 4px 20px rgba(11, 37, 100, 0.4);
    
    /* Initial hidden state */
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.8);
    
    /* Transitions for all browsers */
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    -ms-transition: all 0.3s ease;
    -o-transition: all 0.3s ease;
    transition: all 0.3s ease;
}

.scroll-to-top-btn.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.scroll-to-top-btn:hover {
    background: var(--primary-blue, #1d3989);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 6px 25px rgba(11, 37, 100, 0.5);
}

.scroll-to-top-btn:active {
    transform: translateY(0) scale(0.95);
}

/* Pulse animation on hover */
.scroll-to-top-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    background: inherit;
    z-index: -1;
    opacity: 0;
    
    -webkit-transition: all 0.4s ease;
    -moz-transition: all 0.4s ease;
    transition: all 0.4s ease;
}

.scroll-to-top-btn:hover::before {
    opacity: 0.3;
    transform: scale(1.3);
}

/* Focus state for accessibility */
.scroll-to-top-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(29, 57, 137, 0.4), 0 4px 20px rgba(11, 37, 100, 0.4);
}

/* Mobile responsive */
@media (max-width: 767.98px) {
    .scroll-to-top-btn {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
        font-size: 1rem;
    }
}