/* Header Component */

header {
    position: relative;
    width: 100%;
    z-index: 100;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border-primary);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    cursor: pointer;
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.logo:hover {
    opacity: 0.8;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background: var(--gradient-brand);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.logo-image {
    height: 40px;
    width: auto;
    display: block;
    object-fit: contain;
}

.auth-buttons {
    display: flex;
    gap: 1rem;
}

.header-nav {
    display: none;
    align-items: center;
    gap: 2rem;
}

.header-nav.active {
    display: flex;
}

.nav-link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

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

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-brand);
    border-radius: 2px;
}

.user-menu {
    display: none;
    align-items: center;
    gap: 1rem;
    position: relative;
}

.user-menu.active {
    display: flex;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    border: 2px solid rgba(255, 107, 53, 0.5);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.user-avatar:hover {
    transform: scale(1.05);
    border-color: var(--color-brand-primary);
}

/* User Dropdown Menu */
.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 180px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius-lg);
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    z-index: 1000;
}

.user-menu.dropdown-open .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-menu.dropdown-open .user-avatar {
    border-color: var(--color-brand-primary);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
}

.dropdown-item:hover {
    background: rgba(255, 107, 53, 0.1);
    color: var(--color-text-primary);
}

.dropdown-icon {
    font-size: 1rem;
    width: 20px;
    text-align: center;
}

.dropdown-divider {
    height: 1px;
    background: var(--color-border-primary);
    margin: 0.5rem 0;
}

.dropdown-logout {
    color: var(--color-text-tertiary);
}

.dropdown-logout:hover {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 101;
    transition: transform var(--transition-fast);
}

.mobile-menu-toggle:hover {
    transform: scale(1.1);
}

.mobile-menu-toggle.active {
    transform: rotate(90deg);
}

.hamburger-line {
    width: 100%;
    height: 3px;
    background: var(--color-text-primary);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

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

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

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

/* Mobile Navigation Overlay */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    z-index: 99;
    display: none;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.mobile-nav-overlay.active {
    display: block;
    opacity: 1;
}

.mobile-nav-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 2rem;
    padding-top: 80px;
}

.mobile-auth-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 100%;
    max-width: 300px;
    margin-bottom: 2rem;
}

.mobile-auth-buttons .btn {
    width: 100%;
    justify-content: center;
}

.mobile-nav-links {
    display: none;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
    max-width: 300px;
}

.mobile-nav-links.active {
    display: flex;
}

.mobile-nav-link {
    padding: 1rem 1.5rem;
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 1.25rem;
    font-weight: 500;
    text-align: center;
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border-primary);
}

.mobile-nav-link:hover {
    background: rgba(255, 107, 53, 0.1);
    border-color: var(--color-border-error);
    transform: translateX(8px);
}

.mobile-nav-divider {
    height: 1px;
    background: var(--color-border-primary);
    margin: 1rem 0;
}

.mobile-user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border-primary);
    border-radius: var(--radius-lg);
    margin-top: 1rem;
}

.mobile-user-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    border: 2px solid rgba(255, 107, 53, 0.5);
}

.mobile-user-details {
    flex: 1;
    text-align: left;
}

.mobile-user-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0.25rem;
}

.mobile-user-email {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 768px) {
    header {
        padding: 1rem 1.5rem;
    }

    .logo {
        font-size: 1.2rem;
    }

    .logo-icon {
        width: 28px;
        height: 28px;
        font-size: 1rem;
    }

    .logo-image {
        height: 32px;
    }

    .auth-buttons {
        display: none !important;
    }

    .header-nav {
        display: none !important;
    }

    .user-menu {
        display: none !important;
    }

    .mobile-menu-toggle {
        display: flex;
    }
}