/*--------------------------------------------------------------
>>> HEADER STYLES
----------------------------------------------------------------
Dedicated stylesheet for header and navigation menu
Two-row layout matching FileCR.com design
--------------------------------------------------------------*/

/*--------------------------------------------------------------
1.0 Header Container
--------------------------------------------------------------*/
.site-header {
    background-color: var(--color-card);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
}

.site-header.is-sticky {
    box-shadow: var(--shadow-lg);
}

/*--------------------------------------------------------------
2.0 Top Header Row
--------------------------------------------------------------*/
.header-top {
    background-color: #f8f9fa;
    border-bottom: 1px solid var(--color-border-light);
    padding: var(--spacing-md) 0;
}

.header-top-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
}

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

.site-logo a {
    display: flex;
    align-items: center;
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    text-decoration: none;
}

.site-logo img {
    max-height: 40px;
    width: auto;
}

/* Search Bar */
.header-search {
    flex: 1;
    max-width: 600px;
}

.search-form {
    position: relative;
    width: 100%;
}

.search-icon {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-light);
    font-size: var(--font-size-base);
    pointer-events: none;
    z-index: 1;
}

.search-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-left: 40px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    background-color: white;
    transition: all var(--transition-fast);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 188, 156, 0.1);
}

.search-input::placeholder {
    color: var(--color-text-muted);
}

.search-suggestions {
    position: absolute;
    top: calc(100% + var(--spacing-xs));
    left: 0;
    right: 0;
    background: var(--color-card);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-height: 400px;
    overflow-y: auto;
    display: none;
    z-index: var(--z-dropdown);
}

.search-suggestions.is-active {
    display: block;
}

.suggestion-item {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border-light);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.suggestion-item:hover {
    background-color: var(--color-background);
}

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

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

.categories-btn {
    background-color: white;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-medium);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.add-extension-btn {
    background-color: var(--color-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-medium);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.add-extension-btn:hover {
    background-color: var(--color-primary-dark);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mobile-menu-toggle {
    display: none;
    font-size: var(--font-size-2xl);
    color: var(--color-text);
    padding: var(--spacing-sm);
    background: none;
    border: none;
    cursor: pointer;
}

/*--------------------------------------------------------------
3.0 Bottom Header Row - Platform Navigation
--------------------------------------------------------------*/
.header-bottom {
    background-color: white;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.platform-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.platform-menu li {
    margin: 0;
    padding: 0;
}

.platform-menu a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-base);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.platform-menu a:hover,
.platform-menu a.current-menu-item,
.platform-menu li.current-menu-item>a {
    background-color: var(--color-primary);
    color: white;
}

.platform-menu a i {
    font-size: var(--font-size-lg);
}

/* Sub-menu support */
.platform-menu .sub-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    min-width: 200px;
    z-index: var(--z-dropdown);
}

.platform-menu li {
    position: relative;
}

.platform-menu li:hover>.sub-menu {
    display: block;
}

.platform-menu .sub-menu li {
    width: 100%;
}

.platform-menu .sub-menu a {
    width: 100%;
    justify-content: flex-start;
}

/*--------------------------------------------------------------
4.0 Responsive Design
--------------------------------------------------------------*/
@media (max-width: 1024px) {
    .header-top-inner {
        gap: var(--spacing-md);
    }

    .header-search {
        max-width: 400px;
    }

    .platform-menu {
        gap: var(--spacing-md);
    }

    .platform-menu a {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 768px) {
    .header-top {
        padding: var(--spacing-sm) 0;
    }

    .header-top-inner {
        flex-wrap: wrap;
    }

    .site-logo {
        order: 1;
    }

    .header-actions {
        order: 2;
    }

    .header-search {
        order: 3;
        width: 100%;
        max-width: 100%;
        margin-top: var(--spacing-sm);
    }

    .categories-btn span,
    .add-extension-btn span {
        display: none;
    }

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

    .header-bottom {
        display: none;
    }

    .header-bottom.is-active {
        display: block;
    }

    .platform-menu {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-xs);
    }

    .platform-menu a {
        justify-content: flex-start;
        padding: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .site-logo a {
        font-size: var(--font-size-xl);
    }

    .search-input {
        font-size: var(--font-size-sm);
        padding: var(--spacing-xs) var(--spacing-sm);
        padding-left: 35px;
    }

    .search-icon {
        left: var(--spacing-sm);
        font-size: var(--font-size-sm);
    }

    .categories-btn,
    .add-extension-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
    }
}