/* ========== Header Styles ========== */

.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-index-fixed);
    background: var(--light-bg);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.site-header.scrolled {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
}

.header-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.header-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 80px;
    padding: var(--spacing-sm) 0;
    position: relative;
    gap: var(--spacing-lg);
}

/* ===== Logo ===== */
.header-logo {
    flex-shrink: 0;
}

.logo-link {
    display: inline-block;
    transition: var(--transition);
}

.logo-image {
    width: 120px;
    height: 120px;
    display: block;
    object-fit: contain;
    transition: var(--transition);
}

.logo-link:hover .logo-image {
    transform: scale(1.05);
}

/* ===== Desktop Navigation ===== */
.header-nav {
    display: flex;
    flex: 0 0 auto;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
    margin: 0;
    padding: 0;
}

.header-nav-item {
    position: relative;
}

.header-nav-link {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    position: relative;
}

.header-nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.header-nav-link:hover,
.header-nav-link.active {
    color: var(--primary-color);
}

.header-nav-link:hover::after,
.header-nav-link.active::after {
    width: calc(100% - 2rem);
}

/* ===== User Actions ===== */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-shrink: 0;
    margin-left: auto;
}

/* Login Button */
.btn-login {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, #1E293B 0%, #334155 100%);
    color: var(--light-bg);
    border-radius: var(--border-radius);
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    border: none;
}

.btn-login:hover {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    color: var(--light-bg);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 41, 59, 0.4);
}

.btn-login i {
    font-size: 14px;
}

/* User Menu */
.user-section {
    position: relative;
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.user-menu-trigger:hover {
    background: var(--light-secondary);
    color: var(--text-primary);
}

.user-menu-trigger i {
    font-size: 12px;
    transition: var(--transition);
}

.user-section:hover .user-menu-trigger i {
    transform: rotate(180deg);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + var(--spacing-sm));
    right: 0;
    min-width: 180px;
    background: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
    z-index: var(--z-index-dropdown);
}

.user-dropdown::before {
    content: '';
    position: absolute;
    top: -0.5rem;
    left: 0;
    right: 0;
    height: 0.5rem;
    background: transparent;
}

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

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 14px;
    text-decoration: none;
    transition: var(--transition);
    border-bottom: none; /* Remove border, use dropdown-divider instead */
}

.dropdown-item:first-child {
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.dropdown-item:last-child {
    border-bottom: none;
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.dropdown-item:hover {
    background: var(--light-secondary);
    color: var(--primary-color);
}

.dropdown-item i {
    width: 16px;
    font-size: 14px;
    color: var(--text-muted);
}

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

.dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0;
    border: none;
    padding: 0;
    opacity: 1; /* Ensure divider is fully opaque */
}

/* ===== Mobile Menu Toggle ===== */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 28px;
    height: 28px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
}

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

.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 ===== */
.mobile-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--light-bg);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mobile-nav.active {
    max-height: 80vh;
    overflow-y: auto;
}

.mobile-nav-menu {
    list-style: none;
    margin: 0;
    padding: var(--spacing-md);
}

.mobile-nav-item {
    border-bottom: 1px solid var(--light-tertiary);
}

.mobile-nav-item:last-child {
    border-bottom: none;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    color: var(--primary-color);
    background: var(--light-secondary);
    padding-left: var(--spacing-lg);
}

.mobile-nav-link i {
    width: 20px;
    font-size: 16px;
    color: var(--text-muted);
}

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

.mobile-btn-login {
    background: var(--primary-color);
    color: var(--light-bg);
    border-radius: var(--border-radius);
    justify-content: center;
}

.mobile-btn-login:hover {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    color: var(--light-bg);
    padding-left: var(--spacing-md);
}

/* ===== Responsive ===== */
@media (max-width: 1199.98px) {
    .header-nav {
        display: none;
    }

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

    .mobile-nav {
        display: block;
    }

    .header-wrapper {
        height: 70px;
        justify-content: space-between;
        position: relative;
    }

    .logo-image {
        width: 80px;
        height: 80px;
    }

    .header-actions {
        position: absolute !important;
        left: 50% !important;
        top: 50% !important;
        transform: translate(-50%, -50%) !important;
        margin-left: 0 !important;
        margin-top: 0 !important;
        right: auto !important;
    }

    .user-dropdown {
        position: fixed;
        top: auto;
        right: var(--spacing-md);
        left: var(--spacing-md);
        min-width: auto;
    }
}

@media (max-width: 767.98px) {
    .header-container {
        padding: 0 var(--spacing-sm);
    }

    .header-wrapper {
        height: 65px;
    }

    .logo-image {
        width: 60px;
        height: 60px;
    }

    .btn-login span {
        display: none;
    }

    .btn-login {
        padding: var(--spacing-sm);
        width: 40px;
        height: 40px;
        justify-content: center;
        border-radius: 50%;
    }

    .user-menu-trigger .user-display-name {
        max-width: 120px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
}