/* ==========================================================================
   Navigation Styles System - 10 Unique Business News Styles
   Colors: Gray, White, Blue - Professional News Theme
   ========================================================================== */

/* Common Variables */
:root {
    --nav-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --nav-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --nav-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* ==========================================================================
   Style 1: Classic Dual Layer - Deep Blue Professional
   ========================================================================== */
.nav-style-1 {
    --nav-primary: #1e3a5f;
    --nav-secondary: #2d5a87;
    --nav-accent: #3b82f6;
    --nav-text: #ffffff;
    --nav-bg: #f8fafc;
}

.nav-style-1 .top-toolbar {
    background: linear-gradient(135deg, #1e3a5f 0%, #2d5a87 100%);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.nav-style-1 .main-nav {
    background: #ffffff;
    box-shadow: var(--nav-shadow);
}

.nav-style-1 .nav-link {
    color: #1e3a5f;
    font-weight: 600;
    position: relative;
    padding: 0.75rem 1rem;
    transition: var(--nav-transition);
}

.nav-style-1 .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--nav-accent);
    transition: var(--nav-transition);
    transform: translateX(-50%);
}

.nav-style-1 .nav-link:hover::after,
.nav-style-1 .nav-link.active::after {
    width: 80%;
}

.nav-style-1 .nav-link:hover {
    color: var(--nav-accent);
}

.nav-style-1 .logo-container {
    padding: 0.5rem 0;
}

/* Mobile Style 1 */
@media (max-width: 1024px) {
    .nav-style-1 .mobile-header {
        background: linear-gradient(135deg, #1e3a5f 0%, #2d5a87 100%);
        padding: 0.75rem 1rem;
    }
    
    .nav-style-1 .mobile-menu-btn {
        background: rgba(255,255,255,0.15);
        border-radius: 8px;
        padding: 0.5rem;
    }
    
    .nav-style-1 .mobile-sidebar {
        background: linear-gradient(180deg, #1e3a5f 0%, #0f1f33 100%);
    }
    
    .nav-style-1 .mobile-nav-link {
        color: #ffffff;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        padding: 1rem 1.5rem;
    }
    
    .nav-style-1 .mobile-nav-link:hover,
    .nav-style-1 .mobile-nav-link.active {
        background: rgba(59, 130, 246, 0.2);
        border-left: 4px solid var(--nav-accent);
    }
}

/* ==========================================================================
   Style 3: Center Split - Logo Centered with Split Menu
   ========================================================================== */
.nav-style-3 {
    --nav-primary: #374151;
    --nav-secondary: #6b7280;
    --nav-accent: #2563eb;
    --nav-text: #1f2937;
    --nav-bg: #ffffff;
}

.nav-style-3 .header-wrapper {
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
}

.nav-style-3 .logo-section {
    text-align: center;
    padding: 1.5rem 0;
    border-bottom: 2px solid #e5e7eb;
}

.nav-style-3 .logo-section img {
    max-height: 60px;
}

.nav-style-3 .nav-container {
    display: flex;
    justify-content: center;
    background: #f9fafb;
    border-bottom: 1px solid #e5e7eb;
}

.nav-style-3 .nav-link {
    color: #374151;
    font-weight: 500;
    padding: 1rem 1.25rem;
    border-bottom: 3px solid transparent;
    transition: var(--nav-transition);
}

.nav-style-3 .nav-link:hover,
.nav-style-3 .nav-link.active {
    color: var(--nav-accent);
    border-bottom-color: var(--nav-accent);
    background: rgba(37, 99, 235, 0.05);
}

/* Mobile Style 3 */
@media (max-width: 1024px) {
    .nav-style-3 .mobile-header {
        background: #ffffff;
        box-shadow: var(--nav-shadow);
    }
    
    .nav-style-3 .mobile-logo {
        flex: 1;
        text-align: center;
    }
    
    .nav-style-3 .mobile-menu-btn {
        background: #f3f4f6;
        color: #374151;
        border-radius: 50%;
        width: 40px;
        height: 40px;
    }
    
    .nav-style-3 .mobile-sidebar {
        background: #ffffff;
    }
    
    .nav-style-3 .mobile-nav-link {
        color: #374151;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #e5e7eb;
    }
    
    .nav-style-3 .mobile-nav-link:hover {
        background: #f3f4f6;
        color: var(--nav-accent);
    }
    
    .nav-style-3 .mobile-category-scroll {
        background: #f9fafb;
        padding: 0.75rem 0;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }
    
    .nav-style-3 .mobile-category-scroll::-webkit-scrollbar {
        display: none;
    }
    
    .nav-style-3 .mobile-cat-link {
        display: inline-block;
        padding: 0.5rem 1rem;
        margin: 0 0.25rem;
        background: #ffffff;
        border-radius: 20px;
        color: #374151;
        font-size: 0.875rem;
        box-shadow: 0 1px 2px rgba(0,0,0,0.05);
    }
    
    .nav-style-3 .mobile-cat-link.active {
        background: var(--nav-accent);
        color: #ffffff;
    }
}

/* ==========================================================================
   Style 4: Sidebar Vertical - Fixed Left Sidebar
   ========================================================================== */
.nav-style-4 {
    --nav-primary: #1f2937;
    --nav-secondary: #374151;
    --nav-accent: #0ea5e9;
    --nav-text: #f9fafb;
    --nav-bg: #111827;
}

.nav-style-4 .page-wrapper {
    display: flex;
    min-height: 100vh;
}

.nav-style-4 .sidebar-nav {
    position: fixed;
    left: 0;
    top: 0;
    width: 260px;
    height: 100vh;
    background: linear-gradient(180deg, #1f2937 0%, #111827 100%);
    padding: 1.5rem;
    overflow-y: auto;
    z-index: 100;
    box-shadow: 4px 0 10px rgba(0,0,0,0.1);
}

.nav-style-4 .sidebar-logo {
    padding: 1rem 0 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    margin-bottom: 1.5rem;
}

.nav-style-4 .sidebar-nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #9ca3af;
    padding: 0.875rem 1rem;
    border-radius: 8px;
    margin-bottom: 0.25rem;
    transition: var(--nav-transition);
}

.nav-style-4 .sidebar-nav-link:hover,
.nav-style-4 .sidebar-nav-link.active {
    background: rgba(14, 165, 233, 0.15);
    color: var(--nav-accent);
}

.nav-style-4 .sidebar-nav-link.active {
    border-left: 3px solid var(--nav-accent);
}

.nav-style-4 .main-content {
    margin-left: 260px;
    flex: 1;
}

/* Mobile Style 4 - Transforms to bottom sheet */
@media (max-width: 1024px) {
    .nav-style-4 .sidebar-nav {
        display: none;
    }
    
    .nav-style-4 .main-content {
        margin-left: 0;
    }
    
    .nav-style-4 .mobile-header {
        background: #1f2937;
        padding: 1rem;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 100;
    }
    
    .nav-style-4 .mobile-sidebar {
        background: linear-gradient(180deg, #1f2937 0%, #111827 100%);
    }
    
    .nav-style-4 .mobile-nav-link {
        color: #d1d5db;
        padding: 1rem 1.5rem;
        display: flex;
        align-items: center;
        gap: 0.75rem;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    
    .nav-style-4 .mobile-nav-link:hover {
        background: rgba(14, 165, 233, 0.1);
        color: var(--nav-accent);
    }
}

/* ==========================================================================
   Style 5: Transparent Scroll - Transparent to Solid on Scroll
   ========================================================================== */
.nav-style-5 {
    --nav-primary: #0f172a;
    --nav-secondary: #1e40af;
    --nav-accent: #38bdf8;
    --nav-text: #ffffff;
}

.nav-style-5 .header-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: transparent;
    transition: all 0.4s ease;
}

.nav-style-5 .header-wrapper.scrolled {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
    box-shadow: var(--nav-shadow-lg);
}

.nav-style-5 .nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.nav-style-5 .nav-link {
    color: rgba(255,255,255,0.9);
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: var(--nav-transition);
}

.nav-style-5 .nav-link:hover {
    background: rgba(56, 189, 248, 0.2);
    color: var(--nav-accent);
}

.nav-style-5 .nav-link.active {
    background: var(--nav-accent);
    color: #0f172a;
}

/* Glow effect on hover */
.nav-style-5 .logo-container img {
    filter: drop-shadow(0 0 10px rgba(56, 189, 248, 0.3));
    transition: var(--nav-transition);
}

.nav-style-5 .logo-container:hover img {
    filter: drop-shadow(0 0 20px rgba(56, 189, 248, 0.5));
}

/* Mobile Style 5 */
@media (max-width: 1024px) {
    .nav-style-5 .header-wrapper {
        background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
    }
    
    .nav-style-5 .mobile-header {
        padding: 0.75rem 1rem;
    }
    
    .nav-style-5 .mobile-menu-btn {
        background: rgba(56, 189, 248, 0.2);
        border: 1px solid rgba(56, 189, 248, 0.3);
        border-radius: 8px;
        padding: 0.5rem;
        color: var(--nav-accent);
    }
    
    .nav-style-5 .mobile-sidebar {
        background: linear-gradient(180deg, #0f172a 0%, #1e3a5f 100%);
    }
    
    .nav-style-5 .mobile-nav-link {
        color: rgba(255,255,255,0.9);
        padding: 1rem 1.5rem;
        border-bottom: 1px solid rgba(56, 189, 248, 0.1);
    }
    
    .nav-style-5 .mobile-nav-link:hover,
    .nav-style-5 .mobile-nav-link.active {
        background: rgba(56, 189, 248, 0.15);
        color: var(--nav-accent);
    }
}

/* ==========================================================================
   Style 6: Mobile Bottom Tab Navigation
   ========================================================================== */
.nav-style-6 {
    --nav-primary: #18181b;
    --nav-secondary: #3f3f46;
    --nav-accent: #2563eb;
    --nav-text: #fafafa;
    --nav-bg: #ffffff;
}

.nav-style-6 .desktop-nav {
    background: #ffffff;
    border-bottom: 1px solid #e4e4e7;
    box-shadow: var(--nav-shadow);
}

.nav-style-6 .nav-link {
    color: #3f3f46;
    font-weight: 500;
    padding: 1rem 1.25rem;
    position: relative;
    transition: var(--nav-transition);
}

.nav-style-6 .nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--nav-accent);
    transform: scaleX(0);
    transition: var(--nav-transition);
}

.nav-style-6 .nav-link:hover::before,
.nav-style-6 .nav-link.active::before {
    transform: scaleX(1);
}

.nav-style-6 .nav-link:hover,
.nav-style-6 .nav-link.active {
    color: var(--nav-accent);
}

/* Mobile Bottom Tab */
@media (max-width: 1024px) {
    .nav-style-6 .mobile-header {
        background: #ffffff;
        box-shadow: var(--nav-shadow);
        padding: 0.75rem 1rem;
    }
    
    .nav-style-6 .mobile-bottom-nav {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: #ffffff;
        box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.1);
        display: flex;
        justify-content: space-around;
        padding: 0.5rem 0;
        z-index: 100;
        border-top: 1px solid #e4e4e7;
    }
    
    .nav-style-6 .bottom-tab-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 0.5rem 1rem;
        color: #71717a;
        font-size: 0.75rem;
        transition: var(--nav-transition);
    }
    
    .nav-style-6 .bottom-tab-item svg {
        width: 24px;
        height: 24px;
        margin-bottom: 0.25rem;
    }
    
    .nav-style-6 .bottom-tab-item:hover,
    .nav-style-6 .bottom-tab-item.active {
        color: var(--nav-accent);
    }
    
    .nav-style-6 .bottom-tab-item.active svg {
        transform: scale(1.1);
    }
    
    .nav-style-6 .page-content {
        padding-bottom: 70px;
    }
}

/* ==========================================================================
   Style 7: Minimal Drawer - Fullscreen Slide Menu
   ========================================================================== */
.nav-style-7 {
    --nav-primary: #09090b;
    --nav-secondary: #27272a;
    --nav-accent: #0284c7;
    --nav-text: #fafafa;
    --nav-bg: #fafafa;
}

.nav-style-7 .header-wrapper {
    background: #fafafa;
    padding: 1rem 0;
    border-bottom: 1px solid #e4e4e7;
}

.nav-style-7 .header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-style-7 .menu-trigger {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: #18181b;
    color: #fafafa;
    padding: 0.625rem 1.25rem;
    border-radius: 6px;
    font-weight: 500;
    transition: var(--nav-transition);
}

.nav-style-7 .menu-trigger:hover {
    background: #27272a;
}

.nav-style-7 .fullscreen-menu {
    position: fixed;
    inset: 0;
    background: #09090b;
    z-index: 200;
    display: flex;
    flex-direction: column;
    transform: translateX(-100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-style-7 .fullscreen-menu.open {
    transform: translateX(0);
}

.nav-style-7 .fullscreen-nav-link {
    color: #a1a1aa;
    font-size: 1.5rem;
    font-weight: 600;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid #27272a;
    transition: var(--nav-transition);
}

.nav-style-7 .fullscreen-nav-link:hover {
    color: var(--nav-accent);
    padding-left: 2.5rem;
    background: rgba(2, 132, 199, 0.1);
}

/* Mobile Style 7 */
@media (max-width: 1024px) {
    .nav-style-7 .mobile-header {
        background: #fafafa;
        padding: 0.75rem 1rem;
        border-bottom: 1px solid #e4e4e7;
    }
    
    .nav-style-7 .menu-trigger {
        padding: 0.5rem 1rem;
        font-size: 0.875rem;
    }
    
    .nav-style-7 .fullscreen-nav-link {
        font-size: 1.125rem;
        padding: 1rem 1.5rem;
    }
}

/* ==========================================================================
   Style 8: Search First - Large Search Box Prominent
   ========================================================================== */
.nav-style-8 {
    --nav-primary: #1e293b;
    --nav-secondary: #475569;
    --nav-accent: #0891b2;
    --nav-text: #f1f5f9;
    --nav-bg: #f1f5f9;
}

.nav-style-8 .header-wrapper {
    background: #f1f5f9;
}

.nav-style-8 .top-bar {
    background: #1e293b;
    padding: 0.5rem 0;
}

.nav-style-8 .search-section {
    background: #ffffff;
    padding: 1.5rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.nav-style-8 .search-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

.nav-style-8 .search-input {
    flex: 1;
    padding: 0.875rem 1.25rem;
    border: 2px solid #e2e8f0;
    border-radius: 50px;
    font-size: 1rem;
    transition: var(--nav-transition);
}

.nav-style-8 .search-input:focus {
    border-color: var(--nav-accent);
    box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1);
    outline: none;
}

.nav-style-8 .search-btn {
    background: var(--nav-accent);
    color: #ffffff;
    padding: 0.875rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--nav-transition);
}

.nav-style-8 .search-btn:hover {
    background: #0e7490;
}

.nav-style-8 .nav-toggle-bar {
    background: #ffffff;
    border-bottom: 1px solid #e2e8f0;
}

.nav-style-8 .nav-toggle-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    color: #475569;
    font-weight: 500;
}

.nav-style-8 .collapsible-nav {
    background: #ffffff;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.nav-style-8 .collapsible-nav.expanded {
    max-height: 400px;
}

.nav-style-8 .nav-link {
    color: #334155;
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid #f1f5f9;
    display: block;
}

.nav-style-8 .nav-link:hover {
    background: #f8fafc;
    color: var(--nav-accent);
}

/* Mobile Style 8 */
@media (max-width: 1024px) {
    .nav-style-8 .mobile-header {
        background: #1e293b;
        padding: 0.75rem 1rem;
    }
    
    .nav-style-8 .mobile-search {
        background: #ffffff;
        padding: 1rem;
    }
    
    .nav-style-8 .mobile-search-input {
        width: 100%;
        padding: 0.75rem 1rem;
        border: 2px solid #e2e8f0;
        border-radius: 25px;
    }
    
    .nav-style-8 .mobile-sidebar {
        background: #ffffff;
    }
    
    .nav-style-8 .mobile-nav-link {
        color: #334155;
        padding: 1rem 1.5rem;
        border-bottom: 1px solid #f1f5f9;
    }
}

/* ==========================================================================
   Style 9: Card Hover - Menu Items as Cards
   ========================================================================== */
.nav-style-9 {
    --nav-primary: #334155;
    --nav-secondary: #64748b;
    --nav-accent: #1d4ed8;
    --nav-text: #1e293b;
    --nav-bg: #f8fafc;
}

.nav-style-9 .header-wrapper {
    background: #ffffff;
    box-shadow: var(--nav-shadow);
}

.nav-style-9 .nav-container {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 0.75rem 0;
}

.nav-style-9 .nav-cards {
    display: flex;
    gap: 0.5rem;
}

.nav-style-9 .nav-card {
    background: #f8fafc;
    color: #334155;
    padding: 0.625rem 1.25rem;
    border-radius: 8px;
    font-weight: 500;
    border: 1px solid transparent;
    transition: var(--nav-transition);
}

.nav-style-9 .nav-card:hover {
    background: #ffffff;
    border-color: var(--nav-accent);
    color: var(--nav-accent);
    box-shadow: 0 4px 12px rgba(29, 78, 216, 0.15);
    transform: translateY(-2px);
}

.nav-style-9 .nav-card.active {
    background: var(--nav-accent);
    color: #ffffff;
    border-color: var(--nav-accent);
}

/* Mobile Style 9 */
@media (max-width: 1024px) {
    .nav-style-9 .mobile-header {
        background: #ffffff;
        box-shadow: var(--nav-shadow);
        padding: 0.75rem 1rem;
    }
    
    .nav-style-9 .mobile-menu-btn {
        background: #f8fafc;
        border: 1px solid #e2e8f0;
        border-radius: 8px;
        padding: 0.5rem;
        color: #334155;
    }
    
    .nav-style-9 .mobile-sidebar {
        background: #f8fafc;
    }
    
    .nav-style-9 .mobile-nav-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
        padding: 1rem;
    }
    
    .nav-style-9 .mobile-nav-card {
        background: #ffffff;
        color: #334155;
        padding: 1rem;
        border-radius: 10px;
        text-align: center;
        box-shadow: 0 1px 3px rgba(0,0,0,0.1);
        transition: var(--nav-transition);
    }
    
    .nav-style-9 .mobile-nav-card:hover {
        box-shadow: 0 4px 12px rgba(29, 78, 216, 0.15);
        border-color: var(--nav-accent);
    }
    
    .nav-style-9 .mobile-nav-card.active {
        background: var(--nav-accent);
        color: #ffffff;
    }
}

/* ==========================================================================
   Style 10: Compact Sticky - Single Line Compact Navigation
   ========================================================================== */
.nav-style-10 {
    --nav-primary: #0c4a6e;
    --nav-secondary: #0369a1;
    --nav-accent: #06b6d4;
    --nav-text: #ffffff;
    --nav-bg: #f0f9ff;
}

.nav-style-10 .header-wrapper {
    background: linear-gradient(90deg, #0c4a6e 0%, #0369a1 50%, #0c4a6e 100%);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-style-10 .nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0;
}

.nav-style-10 .logo-compact {
    padding: 0.5rem 1rem;
    background: rgba(0,0,0,0.1);
}

.nav-style-10 .logo-compact img {
    max-height: 32px;
}

.nav-style-10 .nav-links {
    display: flex;
    align-items: stretch;
    height: 100%;
}

.nav-style-10 .nav-link {
    color: rgba(255,255,255,0.85);
    padding: 0.875rem 1rem;
    font-weight: 500;
    font-size: 0.875rem;
    border-right: 1px solid rgba(255,255,255,0.1);
    transition: var(--nav-transition);
}

.nav-style-10 .nav-link:hover,
.nav-style-10 .nav-link.active {
    background: rgba(6, 182, 212, 0.3);
    color: #ffffff;
}

.nav-style-10 .nav-tools {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding-right: 1rem;
}

.nav-style-10 .nav-tool-btn {
    color: rgba(255,255,255,0.85);
    padding: 0.5rem;
    border-radius: 4px;
    transition: var(--nav-transition);
}

.nav-style-10 .nav-tool-btn:hover {
    background: rgba(255,255,255,0.1);
    color: var(--nav-accent);
}

/* Mobile Style 10 */
@media (max-width: 1024px) {
    .nav-style-10 .mobile-header {
        background: linear-gradient(90deg, #0c4a6e 0%, #0369a1 100%);
        padding: 0.5rem 1rem;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    
    .nav-style-10 .mobile-menu-btn {
        background: rgba(255,255,255,0.15);
        border-radius: 6px;
        padding: 0.5rem;
        color: #ffffff;
    }
    
    .nav-style-10 .mobile-sidebar {
        background: linear-gradient(180deg, #0c4a6e 0%, #0369a1 100%);
    }
    
    .nav-style-10 .mobile-nav-link {
        color: rgba(255,255,255,0.9);
        padding: 1rem 1.5rem;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        font-size: 0.9375rem;
    }
    
    .nav-style-10 .mobile-nav-link:hover {
        background: rgba(6, 182, 212, 0.2);
    }
    
    .nav-style-10 .mobile-quick-links {
        display: flex;
        justify-content: space-around;
        padding: 0.75rem;
        background: rgba(0,0,0,0.2);
    }
    
    .nav-style-10 .quick-link {
        color: rgba(255,255,255,0.85);
        font-size: 0.75rem;
        text-align: center;
    }
    
    .nav-style-10 .quick-link svg {
        width: 20px;
        height: 20px;
        margin-bottom: 0.25rem;
    }
}

/* ==========================================================================
   Common Animations
   ========================================================================== */
@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

.animate-slide-left {
    animation: slideInLeft 0.3s ease forwards;
}

.animate-slide-right {
    animation: slideInRight 0.3s ease forwards;
}

.animate-fade-in {
    animation: fadeIn 0.3s ease forwards;
}

.animate-slide-down {
    animation: slideDown 0.3s ease forwards;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */
.nav-hidden {
    display: none !important;
}

.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.nav-overlay.active {
    opacity: 1;
    pointer-events: auto;
}