/**
 * Header Styles
 * Styles specific to header.php (site header/navigation)
 */

/* ==========================================================================
   Site Header
   ========================================================================== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--slate-200);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
    gap: 1.5rem;
}

/* ==========================================================================
   Header Left (Logo + Search)
   ========================================================================== */
.header-left {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-icon {
    width: 32px;
    height: 32px;
    background-color: var(--slate-900);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon svg {
    width: 20px;
    height: 20px;
    color: var(--white);
}

.logo-text {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--slate-900);
    letter-spacing: -0.025em;
}

/* Header Search */
.header-search {
    display: none;
    position: relative;
}

@media (min-width: 768px) {
    .header-search {
        display: flex;
        align-items: center;
    }
}

.header-search .search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--slate-400);
    pointer-events: none;
}

.header-search .search-input {
    width: 200px;
    padding: 0.5rem 1rem 0.5rem 2.25rem;
    background-color: var(--slate-100);
    border: 1px solid transparent;
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    color: var(--slate-900);
    transition: all var(--transition);
}

.header-search .search-input:focus {
    outline: none;
    background-color: var(--white);
    border-color: var(--primary-300);
    width: 280px;
}

.header-search .search-input::placeholder {
    color: var(--slate-400);
}

/* ==========================================================================
   Header Right (Nav + CTA)
   ========================================================================== */
.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.main-nav {
    display: none;
}

@media (min-width: 1024px) {
    .main-nav {
        display: flex;
        align-items: center;
    }
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    padding: 0.5rem 0.75rem;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--slate-600);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

.nav-link:hover {
    color: var(--slate-900);
    background-color: var(--slate-100);
}

/* Header CTA Button */
.btn-primary {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    background-color: var(--slate-900);
    color: var(--white);
    font-size: var(--text-sm);
    font-weight: 600;
    border-radius: var(--radius-lg);
    text-decoration: none;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary:hover {
    background-color: var(--slate-800);
    color: var(--white);
}

/* ==========================================================================
   Mobile Menu Toggle
   ========================================================================== */
.menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: background-color var(--transition);
}

.menu-toggle:hover {
    background-color: var(--slate-100);
}

@media (min-width: 1024px) {
    .menu-toggle {
        display: none;
    }
}

.menu-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background-color: var(--slate-700);
    border-radius: 2px;
    transition: all var(--transition);
}

.menu-toggle span:not(:last-child) {
    margin-bottom: 4px;
}

/* ==========================================================================
   Mobile Navigation Overlay
   ========================================================================== */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
    z-index: 200;
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    max-width: 80%;
    height: 100vh;
    background-color: var(--white);
    padding: 1.5rem;
    overflow-y: auto;
    transition: right var(--transition-slow);
    z-index: 201;
}

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

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--slate-200);
}

.mobile-nav-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: background-color var(--transition);
}

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

.mobile-nav-close svg {
    width: 24px;
    height: 24px;
    color: var(--slate-600);
}

.mobile-nav-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.mobile-nav-menu li {
    margin-bottom: 0.25rem;
}

.mobile-nav-menu a {
    display: block;
    padding: 0.75rem 1rem;
    font-size: var(--text-base);
    font-weight: 500;
    color: var(--slate-700);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

.mobile-nav-menu a:hover {
    background-color: var(--slate-100);
    color: var(--slate-900);
}

.mobile-nav-cta {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--slate-200);
}

.mobile-nav-cta .btn-primary {
    width: 100%;
    justify-content: center;
    padding: 0.75rem 1rem;
}

/* ==========================================================================
   Header Auth Buttons (Sign In / Sign Up)
   ========================================================================== */
.header-auth-buttons {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-auth-buttons .nav-link {
    padding: 0.5rem 0.75rem;
    font-size: var(--text-sm);
    font-weight: 500;
    color: var(--slate-600);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

.header-auth-buttons .nav-link:hover {
    color: var(--slate-900);
    background-color: var(--slate-100);
}

/* ==========================================================================
   User Dropdown Menu
   ========================================================================== */
.header-user-menu {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.user-dropdown {
    position: relative;
}

.user-dropdown-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    background: none;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-full);
    transition: opacity var(--transition);
}

.user-dropdown-toggle:hover {
    opacity: 0.8;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.user-dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    width: 240px;
    background-color: var(--white);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition);
    z-index: 100;
}

.user-dropdown:hover .user-dropdown-menu,
.user-dropdown:focus-within .user-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown-header {
    display: flex;
    flex-direction: column;
    padding: 0.75rem 1rem;
}

.user-dropdown-header .user-name {
    font-weight: 600;
    color: var(--slate-900);
    font-size: var(--text-sm);
}

.user-dropdown-header .user-email {
    font-size: var(--text-xs);
    color: var(--slate-500);
    margin-top: 0.125rem;
}

.user-dropdown-divider {
    height: 1px;
    background-color: var(--slate-100);
    margin: 0.25rem 0;
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1rem;
    font-size: var(--text-sm);
    color: var(--slate-700);
    text-decoration: none;
    transition: all var(--transition);
}

.user-dropdown-item:hover {
    background-color: var(--slate-50);
    color: var(--slate-900);
}

.user-dropdown-item svg {
    width: 1rem;
    height: 1rem;
    color: var(--slate-500);
}

.user-dropdown-item:hover svg {
    color: var(--slate-700);
}

.user-dropdown-item-danger {
    color: var(--error);
}

.user-dropdown-item-danger:hover {
    background-color: var(--error-light);
    color: var(--error);
}

.user-dropdown-item-danger svg {
    color: var(--error);
}

.user-dropdown-item-danger:hover svg {
    color: var(--error);
}