/* ===== ULTRA-MODERN NAV V3 (DARK GLASS) ===== */
:root {
    --nav-height: 60px;
    --nav-shrink-height: 52px;
    --nav-bg: rgba(15, 23, 42, 0.85);
    /* Dark Slate Glass */
    --nav-border: rgba(255, 255, 255, 0.1);
    --nav-text: #f8fafc;
    --nav-muted: #94a3b8;
}

/* Light Mode Nav Overrides */
.light-mode {
    --nav-bg: rgba(255, 255, 255, 0.85);
    --nav-border: rgba(0, 0, 0, 0.08);
    --nav-text: #0f172a;
    --nav-muted: #64748b;
}

.light-mode nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
}

.light-mode .mobile-nav-panel {
    background: rgba(248, 250, 252, 0.98);
    /* Near solid Slate-50 */
    backdrop-filter: blur(20px);
}

.light-mode .mobile-nav-content a {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.05);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.04);
    color: var(--secondary);
}

.light-mode .mobile-nav-content a:hover,
.light-mode .mobile-nav-content a.active {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}

.light-mode .mobile-nav-footer {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.05);
}

nav {
    position: fixed;
    top: 48px;
    left: 0;
    right: 0;
    margin: 0 auto;
    width: 92%;
    max-width: 1200px;
    height: var(--nav-height);
    background: var(--nav-bg);
    backdrop-filter: blur(24px) saturate(200%);
    -webkit-backdrop-filter: blur(24px) saturate(200%);
    border: 1px solid var(--nav-border);
    border-radius: 99px;
    z-index: 1010;
    /* Above overlay */
    display: flex;
    align-items: center;
    transition: all 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    box-shadow:
        0 20px 40px -10px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

nav.scrolled {
    top: 36px;
    height: var(--nav-shrink-height);
    width: 85%;
    background: rgba(15, 23, 42, 0.95);
    box-shadow:
        0 15px 35px -10px rgba(0, 0, 0, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.nav-container {
    width: 100%;
    padding: 0 16px 0 24px;
    position: relative;
    z-index: 1011;
    /* Above the mobile-nav-panel */
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 100%;
}

/* --- LOGO --- */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    z-index: 2;
    flex-shrink: 0;
    padding-left: 8px;
}

.logo-img-wrapper {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 16px -4px rgba(16, 185, 129, 0.3);
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.logo-img {
    height: 100%;
    width: auto;
    object-fit: contain;
}

.light-mode .logo-img-wrapper {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.05);
}

.logo:hover .logo-img-wrapper {
    transform: rotate(15deg) scale(1.1);
}

.logo-main {
    font-weight: 800;
    font-size: 1.3rem;
    color: #ffffff;
    /* Default Dark Mode */
    letter-spacing: -0.5px;
    transition: color 0.4s ease;
}

.logo-sub {
    font-weight: 700;
    font-size: 0.75rem;
    color: #16a34a;
    /* Brand Green */
    text-transform: uppercase;
    letter-spacing: 0.2px;
}

.light-mode .logo-main {
    color: #000000;
    /* Light Mode: Black Nellai */
}

/* --- NAV LINKS --- */
.nav-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    list-style: none;
    flex: 1;
    margin: 0 16px;
    white-space: nowrap;
}

.nav-links li {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--nav-muted);
    font-weight: 500;
    font-size: 0.90rem;
    padding: 6px 16px;
    border-radius: 99px;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
    white-space: nowrap;
}

.nav-item i {
    font-size: 1rem;
    color: var(--nav-muted);
    transition: color 0.3s ease;
}

/* Hover Effect - Pill Background */
.nav-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.08);
    /* Light glass capsule */
    border-radius: 99px;
    z-index: -1;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.nav-item:hover {
    color: var(--nav-text);
}

.nav-item:hover i {
    color: var(--primary);
}

.nav-item:hover::before {
    opacity: 1;
    transform: scale(1);
}

/* Active State */
.nav-item.active {
    color: var(--nav-text);
}

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

.nav-item.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--primary);
    border-radius: 4px;
    box-shadow: 0 2px 8px var(--glow-primary);
}

.nav-item.active::before {
    display: none;
}

/* --- DROPDOWN --- */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(24px) saturate(200%);
    -webkit-backdrop-filter: blur(24px) saturate(200%);
    border: 1px solid var(--nav-border);
    border-radius: 20px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(5px);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--nav-muted);
    text-decoration: none;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.dropdown-item:hover {
    background: rgba(255, 255, 255, 0.08);
    color: white;
    transform: translateX(5px);
}

.dropdown-item i {
    color: var(--primary);
    width: 20px;
    text-align: center;
}

/* --- ACTIONS RIGHT --- */
.nav-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    z-index: 2;
    flex-shrink: 0;
}

.nav-actions .btn-primary {
    background: rgba(16, 185, 129, 0.15) !important;
    border: 1px solid rgba(16, 185, 129, 0.3) !important;
    color: #10b981 !important;
    padding: 8px 18px !important;
    border-radius: 99px !important;
    font-size: 0.85rem !important;
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    box-shadow: none !important;
    transition: all 0.3s ease !important;
}

.nav-actions .btn-primary:hover {
    background: var(--primary) !important;
    color: white !important;
    box-shadow: 0 8px 20px -5px rgba(16, 185, 129, 0.5) !important;
    transform: translateY(-2px) !important;
}

.nav-actions .btn-logout {
    background: rgba(239, 68, 68, 0.15) !important;
    border-color: rgba(239, 68, 68, 0.3) !important;
    color: #ef4444 !important;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 992px) {
    .nav-actions .btn-logout span {
        display: none;
    }
}

.nav-actions .btn-logout:hover {
    background: #ef4444 !important;
    color: white !important;
    box-shadow: 0 8px 20px -5px rgba(239, 68, 68, 0.4) !important;
}

.nav-actions .btn-primary i {
    color: inherit;
}

/* --- HAMBURGER --- */
.mobile-menu-toggle {
    display: none;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    padding: 12px;
    border-radius: 50%;
    transition: background 0.3s ease;
}

.mobile-menu-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.hamburger {
    width: 22px;
    height: 16px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--nav-text);
    border-radius: 4px;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Hamburger active animation */
.mobile-menu-toggle.active .hamburger span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
    background: var(--primary);
}

.mobile-menu-toggle.active .hamburger span:nth-child(2) {
    opacity: 0;
    transform: translateX(10px);
}

.mobile-menu-toggle.active .hamburger span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
    background: var(--primary);
}

/* --- MOBILE NAVIGATION OVERLAY --- */
.mobile-nav-panel {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 85% -10%, rgba(16, 185, 129, 0.16) 0%, transparent 42%),
        radial-gradient(circle at 10% 110%, rgba(30, 64, 175, 0.14) 0%, transparent 45%),
        rgba(8, 16, 36, 0.98);
    backdrop-filter: blur(40px) saturate(200%);
    -webkit-backdrop-filter: blur(40px) saturate(200%);
    z-index: 1009;
    /* Below toggle but above ticker */
    opacity: 0;
    pointer-events: none;
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: 100px 24px 60px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

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

/* Abstract Background Shapes for Mobile Menu */
.mobile-nav-bg-shapes {
    display: none;
}

.mobile-nav-bg-shapes .shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
}

.mobile-nav-bg-shapes .shape-1 {
    width: 500px;
    height: 500px;
    background: var(--primary);
    top: -200px;
    right: -200px;
}

.mobile-nav-bg-shapes .shape-2 {
    width: 600px;
    height: 600px;
    background: #1e3a8a;
    bottom: -300px;
    left: -200px;
}

.mobile-nav-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.mobile-nav-content a {
    text-decoration: none;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--nav-muted);
    padding: 16px 24px;
    border-radius: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transform: translateY(40px);
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.mobile-nav-panel.active .mobile-nav-content a {
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav-content a i {
    color: var(--primary);
    font-size: 1.2rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 12px;
}

.mobile-nav-content a:hover,
.mobile-nav-content a.active {
    background: rgba(255, 255, 255, 0.08);
    color: white;
    border-color: rgba(16, 185, 129, 0.3);
    transform: translateX(10px);
}

.mobile-nav-footer {
    margin-top: 32px;
    transform: translateY(40px);
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    transition-delay: 0.4s;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 24px;
    border-radius: 32px;
}

.mobile-nav-panel.active .mobile-nav-footer {
    transform: translateY(0);
    opacity: 1;
}

.mobile-nav-footer .btn-primary {
    width: 100%;
    justify-content: center;
    background: var(--primary) !important;
    color: white !important;
    border: none !important;
    padding: 16px !important;
    font-size: 1.1rem !important;
    border-radius: 20px !important;
    box-shadow: 0 10px 20px -5px rgba(16, 185, 129, 0.4) !important;
}

.mobile-nav-footer .btn-logout {
    background: #ef4444 !important;
    box-shadow: 0 10px 20px -5px rgba(239, 68, 68, 0.4) !important;
}

/* Stagger Entry Animation */
.mobile-nav-panel.active .mobile-nav-content a:nth-child(1) {
    transition-delay: 0.1s;
}

.mobile-nav-panel.active .mobile-nav-content a:nth-child(2) {
    transition-delay: 0.15s;
}

.mobile-nav-panel.active .mobile-nav-content a:nth-child(3) {
    transition-delay: 0.2s;
}

.mobile-nav-panel.active .mobile-nav-content a:nth-child(4) {
    transition-delay: 0.25s;
}

.mobile-nav-panel.active .mobile-nav-content a:nth-child(5) {
    transition-delay: 0.3s;
}

.mobile-nav-panel.active .mobile-nav-content a:nth-child(6) {
    transition-delay: 0.35s;
}

.mobile-nav-panel.active a#mobile-profile-link {
    transition-delay: 0.4s;
}


/* --- RESPONSIVENESS --- */
@media (max-width: 1200px) {
    .nav-links {
        gap: 0px;
    }

    .nav-item {
        padding: 8px 12px;
        font-size: 0.9rem;
    }
}

@media (max-width: 992px) {
    nav {
        top: 40px;
        /* Consistently below the 36px ticker */
        left: 12px;
        right: 12px;
        width: auto;
        transform: none;
        height: 60px;
        border-radius: 20px;
        z-index: 1000;
    }

    nav.mobile-active {
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        max-width: none !important;
        height: 70px !important;
        border-radius: 0 !important;
        background: transparent !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        box-shadow: none !important;
        border: none !important;
        transform: none !important;
        z-index: 1010 !important;
    }

    nav.scrolled {
        top: 40px;
        left: 12px;
        right: 12px;
        width: auto;
        transform: none;
    }

    nav.scrolled.mobile-active {
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
    }

    .nav-links {
        display: none;
    }

    .nav-container {
        padding: 0 8px 0 16px;
    }

    .logo {
        gap: 8px;
        padding-left: 0;
    }

    .logo-icon {
        width: 34px;
        height: 34px;
        font-size: 1rem;
    }

    .logo-text {
        font-size: 1.05rem;
        display: block !important;
        /* Force visible on mobile menu if hidden before */
    }

    .nav-actions {
        gap: 8px;
    }

    .theme-toggle,
    .mobile-menu-toggle {
        width: 38px;
        height: 38px;
        border-radius: 12px;
        font-size: 1rem;
    }

    .mobile-menu-toggle {
        display: block;
        padding: 10px;
    }

    .nav-actions .btn-primary {
        padding: 0 !important;
        border-radius: 50% !important;
        min-width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .nav-actions .btn-primary span {
        display: none;
    }

    .nav-actions .btn-primary i {
        font-size: 1.1rem;
        margin: 0;
    }
}