/**
 * New Component Styles & Layout Updates
 * These styles should be added to global CSS
 */

/* ============================================================================
   HEADER REDESIGN
   ============================================================================ */

.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-secondary);
    border-bottom: var(--border-width) solid var(--border-color);
    padding: var(--space-12) var(--space-16);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-16);
    height: var(--header-height);
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--space-12);
    flex: 1;
}

.header-logo {
    font-weight: var(--fw-bold);
    font-size: var(--caption);
    text-transform: uppercase;
    letter-spacing: var(--ls-relaxed);
    color: var(--text-primary);
    text-decoration: none;
}

.header-search {
    flex: 1;
    max-width: 400px;
}

.header-search input {
    width: 100%;
    background: var(--bg-tertiary);
    border: var(--border-width) solid var(--border-color);
    color: var(--text-primary);
    padding: var(--space-8) var(--space-12);
    border-radius: var(--radius-md);
    font-size: var(--caption);
    transition: all var(--transition-base);
}

.header-search input:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: var(--bg-primary);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-12);
}

.theme-toggle-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: var(--space-8);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.theme-toggle-btn:hover {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
}

/* ============================================================================
   BREADCRUMB
   ============================================================================ */

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-12) 0;
    font-size: var(--caption);
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.breadcrumb-item {
    display: inline;
}

.breadcrumb-separator {
    color: var(--text-tertiary);
}

.breadcrumb-link {
    background: none;
    border: none;
    color: var(--accent-primary);
    cursor: pointer;
    padding: 0;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb-link:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.breadcrumb-active {
    color: var(--text-primary);
    font-weight: var(--fw-medium);
}

/* ============================================================================
   CATEGORY GRID
   ============================================================================ */

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-16);
    padding: var(--space-24) 0;
}

.category-card {
    background: var(--bg-secondary);
    border: var(--border-width) solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-16);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-12);
}

.category-card:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.category-card-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border-radius: var(--radius-md);
}

.category-card-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: var(--space-8);
}

.category-card-name {
    font-size: var(--body-sm);
    font-weight: var(--fw-semibold);
    color: var(--text-primary);
    margin: 0;
}

.category-card-count {
    font-size: var(--caption);
    color: var(--text-tertiary);
    margin: 0;
}

/* ============================================================================
   FILTER CHIPS
   ============================================================================ */

.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-8);
    padding: var(--space-12) 0;
    align-items: center;
}

.filter-chip {
    background: var(--bg-tertiary);
    border: var(--border-width) solid var(--border-color);
    border-radius: 16px;
    padding: var(--space-8) var(--space-12);
    display: flex;
    align-items: center;
    gap: var(--space-8);
    font-size: var(--caption);
    color: var(--text-primary);
}

.filter-chip-label {
    font-weight: var(--fw-medium);
}

.filter-chip-remove {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    font-size: var(--caption);
    transition: color var(--transition-fast);
}

.filter-chip-remove:hover {
    color: var(--text-primary);
}

/* ============================================================================
   TAB NAVIGATION (Mobile)
   ============================================================================ */

.tab-navigation {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--tab-height);
    background: var(--bg-secondary);
    border-top: var(--border-width) solid var(--border-color);
    display: none;
    z-index: 99;
}

.tab-item {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: var(--caption);
    font-weight: var(--fw-medium);
    transition: all var(--transition-base);
    text-decoration: none;
}

.tab-item:hover {
    background: var(--bg-tertiary);
}

.tab-item.active {
    color: var(--accent-primary);
    background: var(--bg-tertiary);
}

.tab-item svg {
    width: 20px;
    height: 20px;
}

/* ============================================================================
   RESPONSIVE ADJUSTMENTS
   ============================================================================ */

@media (max-width: 1024px) {
    .header {
        flex-direction: column;
        align-items: stretch;
        justify-content: flex-start;
        gap: var(--space-8);
        height: auto;
        padding: var(--space-12);
    }

    .header-left {
        flex-direction: column;
    }

    .header-search {
        max-width: none;
    }

    .category-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: var(--space-12);
    }
}

@media (max-width: 768px) {
    .header {
        flex-direction: column;
        padding: var(--space-8);
    }

    .header-search {
        max-width: none;
    }

    .header-search input {
        font-size: 16px; /* Prevent zoom on iOS */
    }

    .category-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-12);
    }

    .category-card {
        padding: var(--space-12);
    }

    .category-card-icon {
        width: 48px;
        height: 48px;
    }

    .content-scroll {
        padding-bottom: var(--tab-height);
    }

    .tab-navigation {
        display: flex;
    }
}

@media (max-width: 480px) {
    .header {
        flex-direction: column;
        gap: var(--space-8);
        padding: var(--space-8);
    }

    .header-logo {
        font-size: 11px;
    }

    .header-search input {
        font-size: 16px;
        padding: var(--space-8) var(--space-12);
    }

    .header-actions {
        width: 100%;
        justify-content: flex-end;
    }

    .category-grid {
        grid-template-columns: 1fr;
        gap: var(--space-12);
    }

    .breadcrumb {
        font-size: 11px;
        gap: var(--space-4);
    }

    .filter-chips {
        gap: var(--space-6);
    }

    .filter-chip {
        font-size: 11px;
        padding: var(--space-6) var(--space-10);
    }

    .content-scroll {
        padding-bottom: var(--tab-height);
    }

    .tab-navigation {
        display: flex;
    }
}