.header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding-bottom: 1.2rem;
    background: transparent;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    margin-top: 0.9rem;
}

.logo a {
    display: flex;
    align-items: center;
}

.logo-img {
    width: 280px;
    height: auto;
    max-height: 80px;
    object-fit: contain;
    transition: all var(--transition-base);
}

.nav-desktop {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 1.8rem;
}

.nav-link {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

.nav-link i {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2.5px;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
}

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

.nav-link:hover i {
    color: var(--white);
}

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

.nav-link.active {
    color: var(--white);
}

.nav-link.active i {
    color: var(--white);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.header-actions .btn {
    font-size: 0.75rem;
    padding: 0.6rem 1.2rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.header-actions .btn i {
    font-size: 0.85rem;
}

.header-actions .btn-outline {
    background: rgba(255, 255, 255, 0.06);
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.9);
}

.header-actions .btn-outline .shimmer-effect {
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transform: skewX(-25deg);
    transition: left 0.6s ease;
}

.header-actions .btn-outline:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-2px);
}

.header-actions .btn-outline:hover .shimmer-effect {
    left: 150%;
}

.header-actions .btn-primary {
    background: var(--primary-gradient);
    color: var(--white);
    box-shadow: 0 4px 15px var(--primary-shadow);
}

.header-actions .btn-primary .shimmer-effect {
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: skewX(-25deg);
    transition: left 0.6s ease;
}

.header-actions .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-shadow);
}

.header-actions .btn-primary:hover .shimmer-effect {
    left: 150%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.3rem;
    z-index: 1001;
}

.menu-toggle .bar {
    display: block;
    width: 28px;
    height: 2.5px;
    background: var(--white);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.menu-toggle.active .bar:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.menu-toggle.active .bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.menu-toggle.active .bar:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.nav-mobile {
    display: none;
    position: fixed;
    top: 0;
    right: -70%;
    width: 70%;
    max-width: 400px;
    height: 100vh;
    background: var(--white);
    padding: 0;
    transition: right var(--transition-slow);
    overflow-y: auto;
    box-shadow: var(--shadow-2xl);
    z-index: 1000;
}

.nav-mobile.open {
    right: 0;
}

.nav-mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 1.5rem 1rem;
    border-bottom: 1px solid var(--gray-100);
}

.nav-mobile-brand {
    display: flex;
    align-items: center;
}

.nav-mobile-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav-mobile-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--gray-500);
    cursor: pointer;
    padding: 0.3rem;
    transition: all var(--transition-fast);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-mobile-close:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

.nav-mobile-list {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1.5rem;
}

.nav-link-mobile {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--gray-700);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav-link-mobile i {
    font-size: 1.1rem;
    color: var(--gray-400);
    width: 1.5rem;
    text-align: center;
    transition: color var(--transition-fast);
}

.nav-link-mobile:hover {
    background: var(--primary-bg);
    color: var(--primary);
}

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

.nav-link-mobile.active {
    color: var(--primary-dark);
    background: var(--primary-bg);
}

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

.mobile-divider {
    height: 1px;
    background: var(--gray-200);
    margin: 0.5rem 0;
}

.btn-mobile {
    color: var(--primary-dark) !important;
    font-weight: 600 !important;
    background: var(--primary-bg) !important;
    border-radius: var(--radius-md);
    margin-top: 0.25rem;
}

.btn-mobile i {
    color: var(--primary) !important;
}

.btn-mobile:hover {
    background: var(--primary) !important;
    color: var(--white) !important;
}

.btn-mobile:hover i {
    color: var(--white) !important;
}

.btn-mobile-admin {
    background: var(--primary-gradient) !important;
    color: var(--white) !important;
    text-align: center;
    font-weight: 600 !important;
    border-radius: var(--radius-md);
    margin-top: 0.25rem;
    box-shadow: 0 4px 15px var(--primary-shadow);
}

.btn-mobile-admin i {
    color: rgba(255, 255, 255, 0.8) !important;
}

.btn-mobile-admin:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--primary-shadow);
}

.nav-mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 999;
}

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

@media (max-width: 1024px) {
    .nav-desktop {
        display: none;
    }

    .header-actions .btn {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .nav-mobile {
        display: block;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 0.5rem 0;
    }

    .logo-img {
        width: 200px;
        max-height: 55px;
    }

    .logo {
        margin-top: 0;
    }

    .menu-toggle {
        gap: 6px;
        padding: 0.4rem;
    }

    .menu-toggle .bar {
        width: 32px;
        height: 3px;
    }

    .nav-mobile {
        max-width: 100%;
    }

    .nav-mobile-header {
        padding: 1.2rem 1.2rem 0.8rem;
    }

    .nav-mobile-list {
        padding: 1rem 1.2rem;
    }

    .nav-link-mobile {
        font-size: 0.9rem;
        padding: 0.65rem 0.85rem;
    }

    .nav-link-mobile i {
        font-size: 1rem;
        width: 1.3rem;
    }
}

@media (max-width: 480px) {
    .header {
        padding: 0.4rem 0;
    }

    .logo-img {
        width: 160px;
        max-height: 48px;
    }

    .logo {
        margin-top: 0;
    }

    .menu-toggle {
        gap: 7px;
        padding: 0.5rem;
    }

    .menu-toggle .bar {
        width: 28px;
        height: 3px;
    }

    .nav-mobile-header {
        padding: 1rem 1rem 0.6rem;
    }

    .nav-mobile-logo {
        height: 38px;
    }

    .nav-mobile-close {
        width: 38px;
        height: 38px;
        font-size: 1.3rem;
    }

    .nav-mobile-list {
        padding: 0.8rem 1rem;
        gap: 0.15rem;
    }

    .nav-link-mobile {
        font-size: 0.85rem;
        padding: 0.6rem 0.8rem;
        letter-spacing: 0.03em;
    }

    .nav-link-mobile i {
        font-size: 1rem;
        width: 1.3rem;
    }

    .btn-mobile,
    .btn-mobile-admin {
        font-size: 0.85rem;
        padding: 0.7rem 0.9rem;
    }
}