/**
 * Top Navigation Stylesheet
 * Week 8 - Brand Identity Integration
 *
 * Implements modern top navigation with:
 * - Gradient brand text with orbital animation
 * - Dropdown menus (Media, User)
 * - Mobile responsive hamburger menu (1024px breakpoint)
 * - Glassmorphism styling
 * - Active state detection
 */

/* ===== PARALLAX BACKGROUND LAYERS ===== */
.parallax-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1; /* Changed from 0 to -1 to ensure it's behind everything */
    overflow: hidden;
}

.parallax-layer {
    position: absolute;
    width: 100%;
    height: 200%;
    top: -50%;
}

.parallax-dots {
    background-image: radial-gradient(circle, rgba(0, 153, 158, 0.15) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: moveDots 60s linear infinite;
}

@keyframes moveDots {
    0% { transform: translateY(0) translateX(0); }
    100% { transform: translateY(-50%) translateX(-50%); }
}

.parallax-grid {
    background-image:
        linear-gradient(rgba(0, 123, 127, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 123, 127, 0.08) 1px, transparent 1px);
    background-size: 100px 100px;
    animation: moveGrid 40s linear infinite;
}

@keyframes moveGrid {
    0% { transform: translateY(0); }
    100% { transform: translateY(-50%); }
}

.parallax-particles {
    background-image: radial-gradient(circle, rgba(197, 123, 61, 0.12) 2px, transparent 2px);
    background-size: 80px 80px;
    animation: moveParticles 30s linear infinite;
}

@keyframes moveParticles {
    0% { transform: translateY(0) translateX(0); }
    100% { transform: translateY(-50%) translateX(50%); }
}

.content-wrapper {
    /* Removed position: relative to avoid trapping modal stacking context */
    /* Modals need to escape to body-level stacking */
}

/* Ensure Bootstrap modals appear above all navigation */
.modal {
    z-index: 1060 !important;
}

.modal-backdrop {
    z-index: 1050 !important;
}

/* Ensure modal backdrop doesn't block modal interaction */
.modal-backdrop.show {
    pointer-events: auto !important;
}

/* Ensure modal content is clickable */
.modal-dialog {
    z-index: 1061 !important;
    pointer-events: auto !important;
}

/* ===== TOP NAVIGATION BAR ===== */
.top-nav {
    height: 70px;
    background: linear-gradient(135deg, rgba(0, 123, 127, 0.15), rgba(197, 123, 61, 0.15));
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

/* ===== FLOATING ORBITAL ANIMATION ===== */
.orbital-float {
    width: 45px;
    height: 45px;
    position: relative;
    animation: floatUpDown 3s ease-in-out infinite;
}

@keyframes floatUpDown {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(180deg); }
}

.orbital-float svg {
    width: 100%;
    height: 100%;
}

.orbital-ring-1 {
    animation: rotateOrbital1 5s linear infinite;
    transform-origin: center;
}

.orbital-ring-2 {
    animation: rotateOrbital2 7s linear infinite reverse;
    transform-origin: center;
}

@keyframes rotateOrbital1 {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes rotateOrbital2 {
    from { transform: rotate(45deg); }
    to { transform: rotate(405deg); }
}

/* ===== ANIMATED GRADIENT BRAND TEXT ===== */
.brand-text {
    font-size: 30px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--teal-400) 0%, var(--teal-500) 25%, var(--copper-500) 50%, #E8A657 75%, var(--teal-400) 100%);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.04em;
    animation: gradientShift 3s ease infinite;
    text-shadow: 0 4px 20px rgba(0, 153, 158, 0.3);
    white-space: nowrap;
    margin: 0;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ===== NAVIGATION MENU ===== */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 35px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.01em;
    transition: all var(--transition-base);
    position: relative;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--teal-400), var(--copper-500));
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--teal-400);
}

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

.nav-link.active {
    color: var(--teal-400);
    font-weight: 600;
}

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

.nav-dropdown {
    position: relative;
}

.dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    white-space: nowrap;
    color: var(--text-secondary); /* Match nav-link color */
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.01em;
    transition: all var(--transition-base);
}

.dropdown-trigger:hover {
    color: var(--teal-400); /* Match nav-link hover */
}

/* ===== DROPDOWN MENU STYLES ===== */
.top-nav .dropdown-menu {
    position: absolute !important;
    top: calc(100% + 15px);
    left: 50%;
    transform: translateX(-50%);
    background: rgba(26, 38, 52, 0.98);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 8px;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    display: block !important; /* Override Bootstrap's display: none */
    transition: all var(--transition-base);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    z-index: 1030; /* Changed from 1100 to be below modals (1050+) */
}

.top-nav .dropdown-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    background: rgba(26, 38, 52, 0.98);
    border-left: 1px solid var(--border-light);
    border-top: 1px solid var(--border-light);
    transform: translateX(-50%) rotate(45deg);
}

.nav-dropdown.active .dropdown-menu,
.user-menu-wrapper.active .dropdown-menu {
    opacity: 1 !important;
    visibility: visible !important;
    top: calc(100% + 10px);
}

.top-nav .dropdown-item {
    display: flex !important;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all var(--transition-fast);
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.01em;
}

.top-nav .dropdown-item:hover {
    background: rgba(0, 123, 127, 0.15);
    color: var(--teal-400);
}

.top-nav .dropdown-divider {
    height: 1px;
    background: var(--border-dark);
    margin: 8px 0;
}

/* ===== USER DROPDOWN POSITIONING ===== */
.user-menu-wrapper {
    position: relative;
}

.user-menu-wrapper .dropdown-menu {
    left: auto;
    right: 0;
    transform: none;
}

.user-menu-wrapper .dropdown-menu::before {
    left: auto;
    right: 20px;
    transform: rotate(45deg);
}

/* ===== USER MENU ===== */
.user-menu {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 18px;
    background: rgba(0, 123, 127, 0.1);
    border-radius: 10px;
    cursor: pointer;
    transition: all var(--transition-base);
    border: 1px solid var(--border-dark);
    font-weight: 500;
    letter-spacing: 0.01em;
    white-space: nowrap;
}

.user-menu:hover {
    background: rgba(0, 123, 127, 0.2);
    box-shadow: 0 0 25px rgba(0, 153, 158, 0.4);
    transform: translateY(-2px);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--teal-500), var(--copper-500));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.01em;
}

/* ===== HAMBURGER MENU (MOBILE) ===== */
.hamburger-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

.hamburger-menu span {
    width: 25px;
    height: 3px;
    background: linear-gradient(90deg, var(--teal-400), var(--copper-500));
    border-radius: 2px;
    transition: all var(--transition-base);
}

.hamburger-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.hamburger-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===== MOBILE NAVIGATION OVERLAY ===== */
.mobile-nav-overlay {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 999;
    opacity: 0;
    pointer-events: none; /* Don't block clicks when inactive */
    transition: opacity var(--transition-base);
}

.mobile-nav-overlay.active {
    opacity: 1;
    pointer-events: auto; /* Enable clicks when active */
}

/* ===== MOBILE NAVIGATION MENU ===== */
.mobile-nav-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: -100%;
    width: 280px;
    height: calc(100vh - 70px);
    background: linear-gradient(180deg, rgba(10, 22, 34, 0.98) 0%, rgba(26, 38, 52, 0.98) 100%);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-light);
    overflow-y: auto;
    transition: left var(--transition-base);
    z-index: 1000;
    padding: 20px 0;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.5);
}

.mobile-nav-menu.active {
    left: 0;
}

.mobile-nav-item {
    display: block;
    padding: 14px 25px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.01em;
    transition: all var(--transition-base);
    border-left: 3px solid transparent;
}

.mobile-nav-item:hover,
.mobile-nav-item.active {
    background: rgba(0, 123, 127, 0.15);
    color: var(--teal-400);
    border-left-color: var(--teal-400);
}

.mobile-nav-submenu {
    background: rgba(0, 0, 0, 0.2);
    display: none;
}

.mobile-nav-submenu.active {
    display: block;
}

.mobile-nav-submenu .mobile-nav-item {
    padding-left: 45px;
    font-size: 15px;
}

.mobile-nav-section {
    border-top: 1px solid var(--border-dark);
    margin-top: 20px;
    padding-top: 20px;
}

/* ===== RESPONSIVE / MOBILE STYLES ===== */
@media (max-width: 1024px) {
    .top-nav {
        padding: 0 20px;
    }

    .brand-text {
        font-size: 24px;
    }

    .orbital-float {
        width: 35px;
        height: 35px;
    }

    /* Hide desktop navigation on mobile */
    .nav-menu {
        display: none;
    }

    /* Show hamburger menu on mobile */
    .hamburger-menu {
        display: flex;
    }

    /* Show mobile navigation elements */
    .mobile-nav-overlay,
    .mobile-nav-menu {
        display: block;
    }

    /* Adjust user menu for mobile */
    .user-menu {
        padding: 8px 12px;
    }

    .user-menu span {
        display: none; /* Hide username text on small screens */
    }

    .user-avatar {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }

    /* Adjust dropdown positioning on mobile */
    .user-menu-wrapper .dropdown-menu {
        right: -10px;
        min-width: 160px;
    }
}

@media (max-width: 480px) {
    .brand-text {
        font-size: 20px;
    }

    .orbital-float {
        width: 30px;
        height: 30px;
    }
}

/* ===== MAIN CONTENT OFFSET ===== */
.main-content {
    margin-top: 70px;
}

/* Add extra padding to first container to prevent navbar overlap */
.main-content > .container:first-child,
.main-content > .container-fluid:first-child {
    padding-top: 1.5rem;
}

/* ===== DASHBOARD CARD ENHANCEMENTS ===== */
/* Apply mockup-style hover effects to Bootstrap cards */
.card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 123, 127, 0.2);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--teal-400), var(--copper-500));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
    z-index: 1;
}

.card:hover {
    box-shadow: 0 15px 40px rgba(0, 153, 158, 0.3);
    border-color: rgba(0, 123, 127, 0.5);
}

.card:hover::before {
    transform: scaleX(1);
}