/**
 * Catalog Header Styles
 * Page header, breadcrumb, title, toolbar
 */

/* ============================================================================
   CONTAINER & LAYOUT
   ============================================================================ */

.product-catalog-page {
    min-height: 100vh;
    padding: 24px 0 80px;
    background-color: var(--bg-primary);
}

.product-catalog-page .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

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

/* Breadcrumb styles are in theme-vars.css */

/* ============================================================================
   CATALOG HEADER
   ============================================================================ */

.catalog-header {
    position: relative;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: clamp(1rem, 2vw, 1.5rem);
    padding-bottom: clamp(1rem, 2vw, 1.25rem);
    margin-bottom: clamp(1.25rem, 2.5vw, 1.5rem);
    border-bottom: 2px solid var(--accent);
}

.catalog-header__title {
    font-size: clamp(1.625rem, 3vw + 0.25rem, 2.25rem);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.catalog-header__count {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.875rem;
    background: var(--accent);
    color: #fff;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 9999px;
    margin: 0;
    white-space: nowrap;
    box-shadow: 0 2px 8px rgba(var(--accent-rgb), 0.25);
}

.catalog-header__count strong {
    color: inherit;
    font-weight: 700;
}

/* ============================================================================
   TOOLBAR
   ============================================================================ */

.catalog-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: clamp(1rem, 2vw, 1.5rem);
    padding: clamp(0.75rem, 1.5vw, 1rem) 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: clamp(1.25rem, 2.5vw, 1.5rem);
}

.catalog-toolbar__left,
.catalog-toolbar__right {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 2vw, 1.5rem);
}

/* Stock Toggle */
.catalog-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
    transition: color 0.15s ease;
}

.catalog-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
}

.catalog-toggle:hover {
    color: var(--text-primary);
}

/* Sort Dropdown */
.catalog-sort {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.catalog-sort label {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.catalog-sort select {
    padding: 0.5rem 2rem 0.5rem 0.75rem;
    background-color: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-md, 8px);
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a0a0a0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.625rem center;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}

.catalog-sort select:hover {
    border-color: var(--border-light);
    background-color: var(--bg-secondary);
}

.catalog-sort select:focus {
    outline: none;
    border-color: var(--accent);
}

/* View Toggle */
.catalog-view {
    display: flex;
    gap: 0.25rem;
    background: var(--bg-secondary);
    padding: 0.25rem;
    border-radius: var(--radius-md, 8px);
}

.view-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: transparent;
    border: none;
    border-radius: calc(var(--radius-md, 8px) - 2px);
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s ease;
}

.view-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
}

.view-btn.is-active {
    background-color: var(--accent);
    color: #fff;
    box-shadow: 0 2px 6px rgba(var(--accent-rgb), 0.3);
}

/* ============================================================================
   MAIN LAYOUT (2-COLUMN)
   ============================================================================ */

.catalog-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 24px;
    align-items: start;
}

/* ============================================================================
   PRODUCTS AREA
   ============================================================================ */

.catalog-products {
    min-height: 400px;
}

/* Loading State */
.catalog-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 80px 20px;
    color: var(--text-secondary);
}

.loading-spinner__icon {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Loading dots animation */
.loading-dots {
    display: inline-block;
    animation: loading-dots 1.4s infinite ease-in-out both;
}

@keyframes loading-dots {
    0%, 80%, 100% { opacity: 0.3; }
    40% { opacity: 1; }
}

/* ============================================================================
   EMPTY STATE
   ============================================================================ */

.catalog-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px 20px;
    text-align: center;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 10px;
}

.catalog-empty__icon {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
    color: var(--text-muted);
    opacity: 0.5;
}

.catalog-empty h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin: 0 0 8px;
}

.catalog-empty p {
    color: var(--text-secondary);
    margin: 0;
}

/* ============================================================================
   SSR DISABLED STATES
   Make disabled elements look IDENTICAL to enabled ones
   ============================================================================ */

/* SSR Sort Dropdown - same appearance as JS version */
.catalog-sort--ssr select:disabled {
    opacity: 1;
    cursor: default;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a0a0a0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.625rem center;
    color: var(--text-primary);
    background-color: transparent;
}

/* SSR Toggle - same appearance */
.catalog-toggle--ssr,
.catalog-toggle--disabled,
.catalog-toolbar__left--ssr .catalog-toggle {
    opacity: 1;
    cursor: default;
}

.catalog-toggle--ssr input[type="checkbox"],
.catalog-toggle--disabled input[type="checkbox"]:disabled,
.catalog-toolbar__left--ssr input[type="checkbox"]:disabled {
    opacity: 1;
    cursor: default;
}

.catalog-toggle--ssr span,
.catalog-toggle--disabled span,
.catalog-toolbar__left--ssr span {
    color: var(--text-secondary);
}

/* SSR View Toggle - same appearance */
.catalog-view--ssr .view-btn,
.catalog-view--ssr .view-btn:disabled {
    opacity: 1;
    cursor: default;
    background: transparent;
    color: var(--text-muted);
}

.catalog-view--ssr .view-btn:hover {
    background: transparent;
    color: var(--text-muted);
}

.catalog-view--ssr .view-btn.is-active,
.catalog-view--ssr .view-btn.is-active:disabled {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 2px 6px rgba(var(--accent-rgb), 0.3);
}