/* ===== Navigation CSS - Extracted from Frontend ===== */

/* ===== CSS Variables (Color Scheme) ===== */
:root {
    /* Primary Colors */
    --primary-blue: #0066FF;
    --primary-blue-dark: #0052CC;
    --primary-blue-light: #3385FF;
    --accent-blue: #00B8FF;
    --accent-cyan: #00F5FF;

    /* Light Theme */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --text-primary: #1E293B;
    --text-secondary: #64748B;
    --text-muted: #94A3B8;
    --border-color: #E2E8F0;
    --shadow-sm: 0 2px 8px rgba(0, 102, 255, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 102, 255, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 102, 255, 0.15);
    --shadow-xl: 0 20px 60px rgba(0, 102, 255, 0.2);
}

.dark {
    /* Dark Theme */
    --bg-primary: #0F172A;
    --bg-secondary: #1E293B;
    --bg-tertiary: #334155;
    --text-primary: #FFFFFF;
    --text-secondary: #F1F5F9;
    --text-muted: #E2E8F0;
    --border-color: #334155;
    --shadow-sm: 0 2px 8px rgba(0, 184, 255, 0.15);
    --shadow-md: 0 4px 16px rgba(0, 184, 255, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 184, 255, 0.25);
    --shadow-xl: 0 20px 60px rgba(0, 184, 255, 0.3);
}

/* ===== Smooth Scroll ===== */
html {
    scroll-behavior: smooth;
}

/* ===== Navbar ===== */
.navbar {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    z-index: 9999;
    overflow-x: hidden;
    max-width: 100vw;
}

.dark .navbar {
    background-color: rgba(9, 14, 24, 0.95);
    background: rgba(9, 14, 24, 0.95);
    border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

/* Prevent overflow */
.navbar * {
    box-sizing: border-box;
}

.navbar .container {
    overflow-x: hidden;
}

/* Navbar container responsive */
.navbar .container {
    max-width: 100%;
    padding-left: 1rem;
    padding-right: 1rem;
}

@media (min-width: 640px) {
    .navbar .container {
        max-width: 640px;
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}

@media (min-width: 768px) {
    .navbar .container {
        max-width: 768px;
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

@media (min-width: 1024px) {
    .navbar .container {
        max-width: 1024px;
        padding-left: 2rem;
        padding-right: 2rem;
    }

    .navbar-actions .btn-primary {
        display: inline-flex !important;
        align-items: center;
    }

    .navbar-menu-btn {
        display: none !important;
    }

    #mobileMenu {
        display: none !important;
    }
}

@media (min-width: 1280px) {
    .navbar .container {
        max-width: 1280px;
    }
}

@media (min-width: 1536px) {
    .navbar .container {
        max-width: 1400px;
    }
}

/* Navbar Inner */
.navbar-inner {
    height: 80px;
    padding: 0;
}

/* Navbar Logo */
.navbar-logo-link {
    gap: 0.75rem;
}

.navbar-logo-img {
    width: 40px;
    height: 40px;
}

.navbar-logo-text {
    font-size: 1.5rem;
}

.dark .navbar-logo-text {
    color: var(--text-secondary);
}

/* Navbar Actions */
.navbar-actions {
    gap: 0.75rem;
}

.navbar-actions .btn-primary {
    display: none;
}

.navbar-theme-btn {
    padding: 0.625rem;
    font-size: 1.125rem;
    color: var(--text-primary);
}

.dark .navbar-theme-btn {
    color: var(--text-primary);
}

.navbar-theme-btn .theme-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s ease;
}

.navbar-theme-btn .theme-icon.is-hidden {
    display: none !important;
}

.navbar-menu-btn {
    padding: 0.625rem;
    font-size: 1.25rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.header-search-trigger {
    background: rgba(243, 244, 246, 0.95);
    color: #1f2937;
    border: 1px solid rgba(209, 213, 219, 0.6);
    box-shadow: 0 6px 18px rgba(15, 23, 42, 0.12);
}

.header-search-trigger:hover {
    background: rgba(229, 231, 235, 0.95);
}

.dark .header-search-trigger {
    background: rgba(15, 23, 42, 0.9);
    color: rgba(226, 232, 240, 0.92);
    border-color: rgba(71, 85, 105, 0.6);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.dark .header-search-trigger:hover {
    background: rgba(30, 41, 59, 0.95);
}

.search-modal-panel {
    background: #ffffff;
    color: #0f172a;
}

.dark .search-modal-panel {
    background: rgba(15, 23, 42, 0.98);
    color: rgba(226, 232, 240, 0.95);
    border-color: rgba(96, 165, 250, 0.35);
}

.search-modal-input {
    background: #f8fafc;
    color: #0f172a;
}

.dark .search-modal-input {
    background: rgba(15, 23, 42, 0.85);
    color: rgba(226, 232, 240, 0.95);
}

.search-modal-results {
    background: #ffffff;
}

.dark .search-modal-results {
    background: rgba(15, 23, 42, 0.95);
}

/* Text Gradient for Logo */
.text-gradient {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Responsive Navbar */
@media (max-width: 640px) {
    .navbar .container {
        padding-left: 0.75rem !important;
        padding-right: 0.75rem !important;
        max-width: 100vw !important;
    }

    .navbar-inner {
        height: 64px;
        max-width: 100%;
    }

    .navbar-logo-img {
        width: 32px;
        height: 32px;
    }

    .navbar-logo-text {
        font-size: 1.25rem;
        white-space: nowrap;
    }

    .navbar-logo-link {
        gap: 0.5rem;
    }

    .navbar-actions {
        gap: 0.5rem;
        flex-shrink: 0;
    }

    .navbar-theme-btn {
        padding: 0.5rem;
        font-size: 1rem;
        flex-shrink: 0;
    }

    .navbar-menu-btn {
        padding: 0.5rem;
        font-size: 1.125rem;
        flex-shrink: 0;
    }
}

@media (max-width: 480px) {
    .navbar .container {
        padding-left: 0.5rem !important;
        padding-right: 0.5rem !important;
        max-width: 100vw !important;
    }

    .navbar-inner {
        height: 60px;
        max-width: 100%;
    }

    .navbar-logo-img {
        width: 28px;
        height: 28px;
    }

    .navbar-logo-text {
        font-size: 1.125rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 150px;
    }

    .navbar-logo-link {
        gap: 0.375rem;
        max-width: 200px;
    }

    .navbar-actions {
        gap: 0.375rem;
        flex-shrink: 0;
    }

    .navbar-theme-btn {
        padding: 0.5rem !important;
    }

    .navbar-theme-btn i {
        font-size: 1rem !important;
    }

    .navbar-menu-btn {
        padding: 0.5rem;
        font-size: 1rem;
    }
}

/* Mobile Menu Smooth Transition */
#mobileMenu {
    display: none;
    background: var(--bg-primary);
    transition: all 0.3s ease-in-out;
    color: var(--text-primary);
}

#mobileMenu[data-state="open"] {
    display: block;
}

#mobileMenu a {
    transition: all 0.2s ease;
    color: var(--text-primary);
}

#mobileMenu a:hover {
    transform: translateX(5px);
    color: var(--primary-blue);
}

.mobile-menu-panel {
    background: var(--bg-primary);
    color: var(--text-primary);
    border-top: 1px solid var(--border-color);
}

.dark #mobileMenu {
    background: rgba(9, 14, 24, 0.95);
    color: var(--text-secondary);
}

.dark .mobile-menu-panel {
    background: rgba(9, 14, 24, 0.98);
    color: var(--text-secondary);
    border-top: 1px solid rgba(148, 163, 184, 0.18);
}

.dark #mobileMenu a {
    color: var(--text-secondary);
}

#mobileMenu a.text-blue-600,
.dark #mobileMenu a.text-blue-600 {
    color: var(--primary-blue);
}

/* ===== Nav Links ===== */
.nav-link {
    position: relative;
    font-weight: 600;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.dark .nav-link {
    color: var(--text-secondary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-blue), var(--accent-blue));
    border-radius: 2px;
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-blue);
}

.dark .nav-link:hover {
    color: var(--accent-blue);
}

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

/* Active link state */
.nav-link.text-blue-600 {
    color: var(--primary-blue);
}

.nav-link.text-blue-600::after {
    width: 100%;
}

/* ===== Buttons ===== */
.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-blue) 100%);
    color: white;
    font-weight: 700;
    padding: 14px 36px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(0, 102, 255, 0.35);
    position: relative;
    overflow: hidden;
    display: inline-block;
    text-decoration: none;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 102, 255, 0.45);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
    font-weight: 700;
    padding: 14px 36px;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
    text-decoration: none;
}

.dark .btn-outline {
    color: var(--accent-blue);
    border-color: var(--accent-blue);
}

.btn-outline:hover {
    background: var(--primary-blue);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 102, 255, 0.35);
}

.dark .btn-outline:hover {
    background: var(--accent-blue);
    color: #0F172A;
    border-color: var(--accent-blue);
    box-shadow: 0 8px 30px rgba(0, 184, 255, 0.45);
}

/* ===== Scroll to Top Button ===== */
.scroll-top {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-blue) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.6rem;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.5);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease;
    z-index: 1000;
    border: none;
}

.scroll-top.opacity-0 {
    opacity: 0;
    visibility: hidden;
}

.scroll-top.opacity-100 {
    opacity: 1;
    visibility: visible;
}

.scroll-top.pointer-events-none {
    pointer-events: none;
}

.scroll-top:hover {
    transform: translateY(-8px) scale(1.1);
    box-shadow: 0 15px 40px rgba(0, 102, 255, 0.6);
}

.dark .scroll-top {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--primary-blue) 100%);
    box-shadow: 0 10px 30px rgba(0, 184, 255, 0.4);
}

.dark .scroll-top:hover {
    box-shadow: 0 15px 40px rgba(0, 184, 255, 0.7);
}

/* Responsive Scroll-to-Top */
@media (max-width: 768px) {
    .scroll-top {
        bottom: 30px;
        right: 30px;
        width: 55px;
        height: 55px;
        font-size: 1.5rem;
    }
}

@media (max-width: 640px) {
    .scroll-top {
        bottom: 15px;
        right: 15px;
        width: 48px;
        height: 48px;
        font-size: 1.2rem;
    }
}

@media (max-width: 480px) {
    .scroll-top {
        bottom: 12px;
        right: 12px;
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
}

/* ===== Additional Mobile Responsive Adjustments ===== */
@media (max-width: 640px) {
    .navbar .flex.justify-between.items-center {
        min-height: 64px;
        height: auto;
    }

    .btn-primary, .btn-outline {
        padding: 12px 24px;
        font-size: 0.875rem;
    }
}

@media (max-width: 768px) {
    .navbar .flex.justify-between.items-center {
        min-height: 70px;
        height: auto;
    }
}

@media (max-width: 480px) {
    .btn-primary, .btn-outline {
        padding: 10px 18px;
        font-size: 0.85rem;
    }
}

@media (min-width: 1024px) {
    .navbar-menu-btn {
        display: none !important;
    }
}