/* IW Product Configurator - Architectural Luxury Design System */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600&display=swap');

:root {
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --color-bg: #FFFFFF;
    --color-bg-alt: #F9F9F9;
    --color-bg-subtle: #F3F3F3;
    --color-surface: #FFFFFF;
    --color-border: #E8E8E8;
    --color-border-dark: #111111;

    --color-text-main: #121212;
    --color-text-muted: #6B7280;
    --color-text-light: #9CA3AF;

    --color-accent: #111111;
    --color-gold: #C5A880;
    --color-gold-hover: #AF8F63;
    --color-success: #10B981;
    --color-error: #EF4444;
    --color-warning: #F59E0B;

    --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.05);
    --shadow-elevated: 0 12px 35px rgba(0, 0, 0, 0.08);

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-full: 9999px;

    --transition-smooth: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    color: var(--color-text-main);
    background-color: var(--color-bg);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Header & Top Bar */
.iw-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.iw-header__container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.iw-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--color-text-main);
}

.iw-logo__mark {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 700;
    letter-spacing: 0.12em;
    padding: 2px 10px;
    border: 2px solid var(--color-text-main);
}

.iw-logo__text {
    display: flex;
    flex-direction: column;
}

.iw-logo__title {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.iw-logo__subtitle {
    font-size: 10px;
    letter-spacing: 0.15em;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

.iw-header__actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.iw-nav-link {
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--color-text-muted);
    padding: 8px 12px;
    transition: var(--transition-smooth);
}

.iw-nav-link:hover, .iw-nav-link.active {
    color: var(--color-text-main);
}

.btn-icon {
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-text-main);
    transition: var(--transition-smooth);
}

.btn-icon:hover {
    border-color: var(--color-text-main);
    background: var(--color-bg-subtle);
}

/* Banner */
.iw-hero {
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    padding: 40px 24px;
    text-align: center;
}

.iw-hero__pretitle {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 8px;
}

.iw-hero__title {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 400;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-main);
    margin-bottom: 8px;
}

.iw-hero__desc {
    font-size: 13px;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Main Layout */
.iw-layout {
    max-width: 1440px;
    margin: 0 auto;
    padding: 32px 24px;
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 36px;
    align-items: start;
}

/* Sidebar Categories */
.iw-sidebar {
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    padding-right: 28px;
}

.iw-sidebar__title {
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: 20px;
}

.category-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.category-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--color-text-muted);
    font-size: 14px;
    font-weight: 400;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.category-item:hover {
    color: var(--color-text-main);
    background: var(--color-bg-subtle);
}

.category-item.active {
    color: var(--color-text-main);
    font-weight: 600;
    background: var(--color-bg-alt);
    border-left: 3px solid var(--color-text-main);
}

.category-badge {
    font-size: 11px;
    font-weight: 500;
    color: var(--color-text-light);
    background: var(--color-bg-subtle);
    padding: 2px 7px;
    border-radius: var(--radius-full);
}

/* Main Catalog Area */
.iw-catalog {
    min-width: 0;
}

.catalog-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 28px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 240px;
    max-width: 400px;
}

.search-input {
    width: 100%;
    height: 42px;
    padding: 0 16px 0 40px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--color-text-main);
    outline: none;
    transition: var(--transition-smooth);
}

.search-input:focus {
    border-color: var(--color-text-main);
}

.search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-light);
    pointer-events: none;
}

.sort-select {
    height: 42px;
    padding: 0 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 13px;
    color: var(--color-text-main);
    background: var(--color-surface);
    outline: none;
    cursor: pointer;
}

/* Product Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 28px;
}

.product-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    position: relative;
}

.product-card:hover {
    border-color: #D1D5DB;
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
}

.product-card__image-wrap {
    position: relative;
    width: 100%;
    padding-top: 100%;
    background: #FFFFFF;
    overflow: hidden;
}

.product-card__image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 24px;
    transition: transform 0.4s ease;
}

.product-card:hover .product-card__image {
    transform: scale(1.04);
}

.product-card__badge-cat {
    position: absolute;
    top: 14px;
    left: 14px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    background: rgba(255, 255, 255, 0.9);
    padding: 4px 8px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
}

.product-card__info {
    padding: 20px;
    border-top: 1px solid var(--color-border);
    background: #FFFFFF;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    justify-content: space-between;
}

.product-card__title {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text-main);
    line-height: 1.35;
    margin-bottom: 12px;
}

.product-card__actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.product-card__btn {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-text-main);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 0;
    border: none;
    background: none;
    cursor: pointer;
    transition: color 0.2s ease;
}

.product-card:hover .product-card__btn {
    color: var(--color-gold);
}

/* Empty & Loading States */
.state-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-muted);
}

.state-empty__title {
    font-family: var(--font-heading);
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--color-text-main);
}

/* CONFIGURATOR MODAL */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(18, 18, 18, 0.65);
    backdrop-filter: blur(8px);
    z-index: 100;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    box-sizing: border-box;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-backdrop.open {
    display: flex;
    opacity: 1;
}

.configurator-modal {
    background: #FFFFFF;
    width: 100%;
    max-width: 1320px;
    height: 90vh;
    max-height: 860px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-elevated);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    animation: modalAppear 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalAppear {
    from { transform: scale(0.97) translateY(10px); opacity: 0; }
    to { transform: scale(1) translateY(0); opacity: 1; }
}

.confirm-modal-box {
    background: #FFFFFF;
    width: 100%;
    max-width: 480px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-elevated);
    padding: 28px;
    position: relative;
    text-align: center;
    animation: modalAppear 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.configurator-header {
    height: 60px;
    padding: 0 24px;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #FFFFFF;
}

.configurator-header__title {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.btn-close {
    background: none;
    border: none;
    font-size: 24px;
    line-height: 1;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 6px;
    transition: color 0.2s ease;
}

.btn-close:hover {
    color: var(--color-text-main);
}

.configurator-body {
    display: grid;
    grid-template-columns: 320px 1fr 340px;
    flex: 1;
    min-height: 0;
    background: #FAFAFA;
}

/* Zone 1: Finishes (Left) */
.configurator-finishes {
    background: #FFFFFF;
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.finishes-header {
    padding: 18px 20px;
    border-bottom: 1px solid var(--color-border);
}

.finishes-title {
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.finishes-search {
    width: 100%;
    height: 36px;
    padding: 0 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 12px;
    outline: none;
}

.finishes-scroll {
    overflow-y: auto;
    padding: 12px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.finish-chip {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-smooth);
    background: transparent;
}

.finish-chip:hover {
    background: var(--color-bg-subtle);
}

.finish-chip.active {
    background: var(--color-bg-alt);
    border-color: var(--color-text-main);
}

.finish-swatch {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    border: 2px solid #FFFFFF;
    box-shadow: 0 0 0 1px #D1D5DB;
    object-fit: cover;
    flex-shrink: 0;
}

.finish-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.finish-name {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.finish-status-tag {
    font-size: 10px;
    color: var(--color-text-light);
}

.finish-status-tag.has-render {
    color: var(--color-success);
    font-weight: 500;
}

/* Zone 2: Main Viewer (Center) */
.configurator-viewer {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 24px;
    overflow: hidden;
    background: #FFFFFF;
}

.viewer-canvas {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.viewer-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
    user-select: none;
}

/* Perspective angle selector */
.perspectives-bar {
    position: absolute;
    bottom: 20px;
    display: flex;
    gap: 8px;
    background: rgba(255, 255, 255, 0.95);
    padding: 6px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-subtle);
    z-index: 10;
}

.perspective-btn {
    border: 1px solid transparent;
    background: none;
    border-radius: var(--radius-full);
    padding: 6px 12px;
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    cursor: pointer;
    color: var(--color-text-muted);
    transition: var(--transition-smooth);
}

.perspective-btn.active {
    background: var(--color-text-main);
    color: #FFFFFF;
}

/* Generation Overlay */
.viewer-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(4px);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 20;
    text-align: center;
    padding: 20px;
}

.viewer-loading-overlay.active {
    display: flex;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-text-main);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 20px;
}

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

.loading-title {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.loading-desc {
    font-size: 13px;
    color: var(--color-text-muted);
    max-width: 320px;
}

/* Before / After Comparison Slider */
.comparison-container {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.comparison-before, .comparison-after {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.comparison-before {
    z-index: 2;
    overflow: hidden;
}

.comparison-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2px;
    background: #FFFFFF;
    box-shadow: 0 0 10px rgba(0,0,0,0.4);
    z-index: 5;
    cursor: ew-resize;
}

.comparison-handle__knob {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 32px;
    height: 32px;
    background: #111111;
    color: #FFFFFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.25);
}

/* Zone 3: Actions & Details (Right) */
.configurator-sidebar-right {
    background: #FFFFFF;
    border-left: 1px solid var(--color-border);
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow-y: auto;
}

.product-meta__category {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 6px;
}

.product-meta__name {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 500;
    line-height: 1.3;
    margin-bottom: 20px;
}

.selected-finish-card {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 24px;
}

.selected-finish-card__label {
    font-size: 10px;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: 8px;
}

.selected-finish-card__row {
    display: flex;
    align-items: center;
    gap: 12px;
}

.selected-finish-card__swatch {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 2px solid #FFFFFF;
    box-shadow: 0 0 0 1px #D1D5DB;
    object-fit: cover;
}

.selected-finish-card__name {
    font-size: 13px;
    font-weight: 600;
}

.actions-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-primary {
    width: 100%;
    height: 44px;
    background: #111111;
    color: #FFFFFF;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition-smooth);
}

.btn-primary:hover {
    background: #333333;
}

.btn-outline {
    width: 100%;
    height: 44px;
    background: #FFFFFF;
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition-smooth);
}

.btn-outline:hover {
    border-color: var(--color-text-main);
    background: var(--color-bg-subtle);
}

.share-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-top: 14px;
}

.share-btn {
    height: 38px;
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-text-main);
    transition: var(--transition-smooth);
}

.share-btn:hover {
    background: #FFFFFF;
    border-color: var(--color-text-main);
}

/* Toast notifications */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    background: #111111;
    color: #FFFFFF;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    pointer-events: auto;
    animation: toastIn 0.3s ease;
}

@keyframes toastIn {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Responsive queries */
@media (max-width: 1024px) {
    .iw-layout {
        grid-template-columns: 1fr;
    }

    .iw-sidebar {
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        padding-right: 0;
        padding-bottom: 24px;
    }

    .configurator-modal {
        height: 95vh;
        max-height: none;
    }

    .configurator-body {
        grid-template-columns: 240px 1fr 260px;
    }
}

@media (max-width: 768px) {
    .configurator-body {
        display: flex;
        flex-direction: column;
        overflow-y: auto;
    }

    .configurator-finishes {
        max-height: 220px;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }

    .configurator-viewer {
        min-height: 320px;
    }

    .configurator-sidebar-right {
        border-left: none;
        border-top: 1px solid var(--color-border);
    }

    .iw-hero__title {
        font-size: 22px;
    }
}