/* ==========================================================================
   TIMBER & EMBER CUSTOM STYLING SYSTEM
   ========================================================================== */

/* Define CSS Cascade Layers */
@layer reset, base, theme, components, utilities;

@layer reset {
    /* Modern minimal reset */
    *, *::before, *::after {
        box-sizing: border-box;
    }
    
    html {
        -moz-text-size-adjust: none;
        -webkit-text-size-adjust: none;
        text-size-adjust: none;
        scroll-behavior: smooth;
    }
    
    body, h1, h2, h3, h4, p, figure, blockquote, dl, dd {
        margin: 0;
    }
    
    body {
        min-height: 100vh;
        line-height: 1.5;
        font-family: 'Inter', system-ui, sans-serif;
        overflow-x: hidden;
    }
    
    ul[role='list'], ol[role='list'] {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    
    input, button, textarea, select {
        font-family: inherit;
        font-size: inherit;
    }
    
    img, picture {
        max-width: 100%;
        display: block;
        height: auto;
    }
    
    a {
        text-decoration: none;
        color: inherit;
    }
}

@layer base {
    :root {
        /* TIER 1: Literals / Palette */
        --palette-slate-950: #0b0f19;
        --palette-slate-900: #111827;
        --palette-slate-800: #1f2937;
        --palette-slate-700: #374151;
        --palette-slate-600: #4b5563;
        --palette-slate-300: #d1d5db;
        --palette-slate-100: #f3f4f6;
        --palette-slate-50: #f9fafb;
        
        --palette-amber-800: #92400e;
        --palette-amber-700: #b45309;
        --palette-amber-600: #d97706;
        --palette-amber-500: #f59e0b;
        --palette-amber-400: #fbbf24;
        
        --palette-copper-700: #c2410c;
        --palette-copper-600: #ea580c;
        --palette-copper-500: #f97316;
        
        --palette-forest-900: #064e3b;
        --palette-emerald-600: #059669;

        /* TIER 2: Semantic Design Tokens (Resolved via light-dark or queries) */
        --font-heading: 'Outfit', 'Playfair Display', serif;
        --font-body: 'Inter', system-ui, sans-serif;
        
        /* Grid system settings */
        --grid-gap-lg: 2rem;
        --grid-gap-md: 1.25rem;
        --grid-gap-sm: 0.75rem;
        
        --border-radius-lg: 16px;
        --border-radius-md: 8px;
        --border-radius-sm: 4px;
        
        --shadow-soft: 0 4px 20px -2px rgba(0, 0, 0, 0.12), 0 2px 8px -1px rgba(0, 0, 0, 0.08);
        --shadow-glow: 0 0 20px 2px rgba(217, 119, 6, 0.15);
    }
}

@layer theme {
    /* Fallback variable definition for theme modes */
    :root {
        --color-bg-primary: #121214;
        --color-bg-secondary: #1a1a1f;
        --color-bg-tertiary: #24242b;
        
        --color-text-primary: #f3f4f6;
        --color-text-secondary: #9ca3af;
        --color-text-muted: #6b7280;
        
        --color-brand-primary: var(--palette-amber-600);
        --color-brand-hover: var(--palette-amber-500);
        --color-brand-light: var(--palette-amber-400);
        --color-brand-glow: rgba(217, 119, 6, 0.35);
        
        --color-accent: var(--palette-copper-600);
        --color-accent-light: var(--palette-copper-500);
        
        --color-border: rgba(255, 255, 255, 0.08);
        --color-border-hover: rgba(255, 255, 255, 0.15);
        --color-glass-bg: rgba(26, 26, 31, 0.75);
        --color-glass-border: rgba(255, 255, 255, 0.06);
        
        --color-success: #10b981;
        --color-warning: #f59e0b;
        --color-error: #ef4444;
        --color-info: #3b82f6;
        
        color-scheme: dark;
        background-color: var(--color-bg-primary);
        color: var(--color-text-primary);
    }

    /* Light Theme Tokens */
    :root[data-theme='light'] {
        --color-bg-primary: #fcfbfa;
        --color-bg-secondary: #f4f2ee;
        --color-bg-tertiary: #ebe7e0;
        
        --color-text-primary: #1e1b18;
        --color-text-secondary: #575249;
        --color-text-muted: #8b8373;
        
        --color-brand-primary: var(--palette-amber-700);
        --color-brand-hover: var(--palette-amber-800);
        --color-brand-light: var(--palette-amber-600);
        --color-brand-glow: rgba(180, 83, 9, 0.15);
        
        --color-accent: var(--palette-copper-700);
        --color-accent-light: var(--palette-copper-600);
        
        --color-border: rgba(30, 27, 24, 0.08);
        --color-border-hover: rgba(30, 27, 24, 0.15);
        --color-glass-bg: rgba(252, 251, 250, 0.85);
        --color-glass-border: rgba(30, 27, 24, 0.05);
        
        --color-success: #059669;
        --color-warning: #d97706;
        --color-error: #dc2626;
        --color-info: #2563eb;
        
        color-scheme: light;
        background-color: var(--color-bg-primary);
        color: var(--color-text-primary);
    }
}

@layer components {
    /* ==========================================================================
       HEADER & NAVIGATION
       ========================================================================== */
    .main-header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 1000;
        background: var(--color-glass-bg);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--color-glass-border);
        transition: background-color 0.3s ease, border-color 0.3s ease;
    }
    
    .header-container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        max-width: 1280px;
        margin: 0 auto;
        padding: 1.25rem 2rem;
    }
    
    .logo-link {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        font-family: var(--font-heading);
        font-weight: 700;
        font-size: 1.35rem;
        letter-spacing: 0.05em;
        color: var(--color-text-primary);
        transition: transform 0.2s ease;
    }
    .logo-link:hover {
        transform: translateY(-1px);
    }
    .logo-symbol {
        font-size: 1.5rem;
    }
    
    .desktop-nav {
        display: flex;
        align-items: center;
        gap: 2rem;
    }
    
    .nav-item {
        font-size: 0.95rem;
        font-weight: 500;
        color: var(--color-text-secondary);
        transition: color 0.2s ease;
        cursor: pointer;
        padding: 0.25rem 0;
    }
    .nav-item:hover, .nav-item:focus {
        color: var(--color-brand-primary);
    }
    
    .nav-highlight {
        color: var(--color-brand-primary);
        border: 1px solid var(--color-brand-primary);
        padding: 0.4rem 1.1rem;
        border-radius: 50px;
        background: var(--color-brand-glow);
        transition: background-color 0.2s ease, transform 0.2s ease;
    }
    .nav-highlight:hover {
        background-color: var(--color-brand-primary);
        color: #ffffff !important;
        transform: scale(1.03);
    }
    
    .admin-link {
        font-size: 0.85rem;
        border: 1px dashed var(--color-border);
        padding: 0.25rem 0.6rem;
        border-radius: var(--border-radius-sm);
    }
    
    /* Dropdown menu rules */
    .nav-dropdown {
        position: relative;
    }
    .dropdown-toggle {
        display: flex;
        align-items: center;
        gap: 0.35rem;
    }
    .chevron {
        font-size: 0.6rem;
        transition: transform 0.2s ease;
    }
    .dropdown-menu {
        position: absolute;
        top: 100%;
        left: 50%;
        transform: translateX(-50%) translateY(10px);
        opacity: 0;
        visibility: hidden;
        background: var(--color-bg-secondary);
        border: 1px solid var(--color-border);
        border-radius: var(--border-radius-md);
        padding: 0.5rem;
        min-width: 180px;
        box-shadow: var(--shadow-soft);
        transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    }
    .nav-dropdown:hover .dropdown-menu,
    .nav-dropdown:focus-within .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateX(-50%) translateY(5px);
    }
    .nav-dropdown:hover .chevron {
        transform: rotate(180deg);
    }
    .dropdown-menu a {
        display: block;
        padding: 0.6rem 1rem;
        border-radius: var(--border-radius-sm);
        color: var(--color-text-secondary);
        font-size: 0.9rem;
        transition: background-color 0.2s ease, color 0.2s ease;
    }
    .dropdown-menu a:hover {
        background-color: var(--color-bg-tertiary);
        color: var(--color-brand-primary);
    }
    
    /* Theme Toggle */
    .theme-toggle-btn {
        background: none;
        border: 1px solid var(--color-border);
        color: var(--color-text-primary);
        font-size: 1.1rem;
        cursor: pointer;
        padding: 0.45rem;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
    }
    .theme-toggle-btn:hover {
        background-color: var(--color-bg-secondary);
        border-color: var(--color-brand-primary);
        transform: scale(1.05);
    }
    
    html[data-theme='dark'] .sun-icon { display: block; }
    html[data-theme='dark'] .moon-icon { display: none; }
    html[data-theme='light'] .sun-icon { display: none; }
    html[data-theme='light'] .moon-icon { display: block; }
    
    /* Mobile nav toggler */
    .mobile-toggle-btn {
        display: none;
        flex-direction: column;
        justify-content: space-between;
        width: 24px;
        height: 18px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 0;
        z-index: 1001;
    }
    .hamburger-bar {
        width: 100%;
        height: 2px;
        background-color: var(--color-text-primary);
        transition: transform 0.3s ease, opacity 0.3s ease;
        border-radius: 4px;
    }
    
    /* Mobile navigation drawer */
    .mobile-drawer {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-bg-secondary);
        border-left: 1px solid var(--color-border);
        z-index: 999;
        padding: 6rem 2rem 2rem;
        box-shadow: var(--shadow-soft);
        transition: right 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .mobile-drawer.open {
        right: 0;
    }
    .mobile-nav-links {
        display: flex;
        flex-direction: column;
        gap: 1.25rem;
    }
    .mobile-nav-item {
        font-family: var(--font-heading);
        font-size: 1.15rem;
        font-weight: 500;
        color: var(--color-text-secondary);
    }
    .mobile-nav-item:hover, .mobile-nav-item.active {
        color: var(--color-brand-primary);
    }
    .mobile-nav-item.highlight {
        color: var(--color-brand-primary);
        border-left: 2px solid var(--color-brand-primary);
        padding-left: 0.5rem;
    }
    .mobile-nav-category {
        font-size: 0.75rem;
        text-transform: uppercase;
        letter-spacing: 0.1em;
        color: var(--color-text-muted);
        margin-top: 0.5rem;
    }
    .mobile-nav-item.sub-item {
        font-size: 1rem;
        padding-left: 1rem;
    }
    .drawer-divider {
        border: 0;
        height: 1px;
        background-color: var(--color-border);
        margin: 0.5rem 0;
    }
    
    /* Toggle active animations for hamburger */
    .mobile-toggle-btn[aria-expanded='true'] .hamburger-bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .mobile-toggle-btn[aria-expanded='true'] .hamburger-bar:nth-child(2) {
        opacity: 0;
    }
    .mobile-toggle-btn[aria-expanded='true'] .hamburger-bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    /* ==========================================================================
       HERO & SECTIONS
       ========================================================================== */
    .hero-section {
        position: relative;
        min-height: 80vh;
        display: flex;
        align-items: center;
        padding: 8rem 2rem 4rem;
        background-size: cover;
        background-position: center;
        background-attachment: fixed;
    }
    
    .hero-section::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(to bottom, rgba(18, 18, 20, 0.45) 0%, var(--color-bg-primary) 100%);
        z-index: 1;
    }
    
    .hero-content {
        position: relative;
        z-index: 2;
        max-width: 800px;
        margin: 0 auto;
        text-align: center;
    }
    
    .hero-tag {
        font-size: 0.85rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.25em;
        color: var(--color-brand-primary);
        margin-bottom: 1rem;
        display: inline-block;
        background: var(--color-brand-glow);
        padding: 0.35rem 1rem;
        border-radius: 50px;
        border: 1px solid rgba(217, 119, 6, 0.2);
    }
    
    .hero-title {
        font-family: var(--font-heading);
        font-size: clamp(2.5rem, 1rem + 5vw, 4.5rem);
        line-height: 1.1;
        font-weight: 700;
        margin-bottom: 1.5rem;
        color: #ffffff;
        text-shadow: 0 4px 12px rgba(0,0,0,0.5);
        text-wrap: balance;
    }
    
    .hero-subtitle {
        font-size: clamp(1rem, 0.85rem + 1vw, 1.25rem);
        color: #e5e7eb;
        margin-bottom: 2.5rem;
        text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        text-wrap: pretty;
        max-width: 600px;
        margin-inline: auto;
    }
    
    .hero-actions {
        display: flex;
        justify-content: center;
        gap: 1.25rem;
        flex-wrap: wrap;
    }

    /* Common Button Components */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 0.85rem 2rem;
        font-weight: 600;
        font-size: 0.95rem;
        border-radius: var(--border-radius-md);
        transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
        cursor: pointer;
        border: none;
    }
    
    .btn-primary {
        background-color: var(--color-brand-primary);
        color: #ffffff;
        box-shadow: var(--shadow-glow);
    }
    .btn-primary:hover, .btn-primary:focus {
        background-color: var(--color-brand-hover);
        transform: translateY(-2px);
    }
    .btn-primary:active {
        transform: translateY(0);
    }
    
    .btn-secondary {
        background-color: transparent;
        color: var(--color-text-primary);
        border: 1px solid var(--color-border);
        backdrop-filter: blur(8px);
    }
    .btn-secondary:hover, .btn-secondary:focus {
        background-color: var(--color-bg-secondary);
        border-color: var(--color-text-secondary);
        transform: translateY(-2px);
    }
    
    /* ==========================================================================
       WOODWORKING CATEGORIES LISTINGS (INDEX GRID)
       ========================================================================== */
    .section-padding {
        padding: 7rem 2rem;
    }
    
    .section-container {
        max-width: 1280px;
        margin: 0 auto;
    }
    
    .section-header {
        text-align: center;
        max-width: 700px;
        margin: 0 auto 4rem;
    }
    
    .section-title {
        font-family: var(--font-heading);
        font-size: clamp(2rem, 1.5rem + 2vw, 3rem);
        font-weight: 600;
        margin-bottom: 1rem;
        letter-spacing: -0.02em;
    }
    
    .section-subtitle {
        font-size: 1.1rem;
        color: var(--color-text-secondary);
        text-wrap: pretty;
    }
    
    .category-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: var(--grid-gap-lg);
    }
    
    .category-card {
        background: var(--color-bg-secondary);
        border: 1px solid var(--color-border);
        border-radius: var(--border-radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-soft);
        transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.3s ease;
        display: flex;
        flex-direction: column;
    }
    .category-card:hover {
        transform: translateY(-6px);
        border-color: var(--color-brand-primary);
    }
    
    .card-img-wrapper {
        aspect-ratio: 4 / 3;
        overflow: hidden;
        position: relative;
    }
    
    .card-img-wrapper img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    .category-card:hover .card-img-wrapper img {
        transform: scale(1.05);
    }
    
    .card-overlay-badge {
        position: absolute;
        top: 1rem;
        right: 1rem;
        background: var(--color-glass-bg);
        border: 1px solid var(--color-glass-border);
        padding: 0.35rem 0.75rem;
        border-radius: 50px;
        font-size: 0.75rem;
        font-weight: 600;
        letter-spacing: 0.05em;
        text-transform: uppercase;
        color: var(--color-brand-primary);
        backdrop-filter: blur(8px);
    }
    
    .card-body {
        padding: 2rem;
        display: flex;
        flex-direction: column;
        flex-grow: 1;
    }
    
    .card-title {
        font-family: var(--font-heading);
        font-size: 1.5rem;
        font-weight: 600;
        margin-bottom: 0.75rem;
    }
    
    .card-desc {
        color: var(--color-text-secondary);
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 1.5rem;
        flex-grow: 1;
        text-wrap: pretty;
    }
    
    .card-footer {
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-top: 1px solid var(--color-border);
        padding-top: 1.25rem;
        margin-top: auto;
    }
    
    .price-label {
        font-size: 0.8rem;
        text-transform: uppercase;
        color: var(--color-text-muted);
        letter-spacing: 0.05em;
    }
    
    .price-value {
        font-size: 1.15rem;
        font-weight: 700;
        color: var(--color-brand-primary);
    }
    
    .card-link {
        font-weight: 600;
        font-size: 0.9rem;
        color: var(--color-text-primary);
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
        transition: color 0.2s ease;
    }
    .card-link::after {
        content: '→';
        transition: transform 0.2s ease;
    }
    .category-card:hover .card-link {
        color: var(--color-brand-primary);
    }
    .category-card:hover .card-link::after {
        transform: translateX(3px);
    }

    /* ==========================================================================
       CATEGORY DETAIL PAGE STYLING
       ========================================================================== */
    .page-hero {
        padding: 10rem 2rem 5rem;
        background-color: var(--color-bg-secondary);
        border-bottom: 1px solid var(--color-border);
    }
    
    .page-hero-container {
        max-width: 1280px;
        margin: 0 auto;
        display: grid;
        grid-template-columns: 1.2fr 1fr;
        gap: 3rem;
        align-items: center;
    }
    
    .page-hero-img-wrapper {
        border-radius: var(--border-radius-lg);
        overflow: hidden;
        border: 1px solid var(--color-border);
        box-shadow: var(--shadow-soft);
        aspect-ratio: 16 / 10;
    }
    .page-hero-img-wrapper img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    .wood-gallery-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: var(--grid-gap-md);
        margin-top: 3rem;
    }
    
    .wood-gallery-card {
        background: var(--color-bg-secondary);
        border: 1px solid var(--color-border);
        padding: 1.5rem;
        border-radius: var(--border-radius-md);
        text-align: center;
    }
    .wood-gallery-title {
        font-family: var(--font-heading);
        font-size: 1.15rem;
        font-weight: 600;
        margin-bottom: 0.5rem;
        color: var(--color-brand-primary);
    }
    .wood-gallery-factor {
        font-size: 0.8rem;
        text-transform: uppercase;
        color: var(--color-text-muted);
        letter-spacing: 0.05em;
        margin-bottom: 0.75rem;
        display: block;
    }
    .wood-gallery-desc {
        font-size: 0.85rem;
        color: var(--color-text-secondary);
    }
    
    .bullet-list {
        list-style: none;
        padding-left: 0;
        margin-block: 1.5rem;
    }
    .bullet-list li {
        position: relative;
        padding-left: 1.5rem;
        margin-bottom: 0.75rem;
        font-size: 0.95rem;
        color: var(--color-text-secondary);
    }
    .bullet-list li::before {
        content: '✓';
        position: absolute;
        left: 0;
        color: var(--color-brand-primary);
        font-weight: bold;
    }

    /* ==========================================================================
       INTERACTIVE CONFIGURATOR
       ========================================================================== */
    .configurator-layout {
        display: grid;
        grid-template-columns: 1.5fr 1fr;
        gap: 3rem;
        max-width: 1280px;
        margin: 0 auto;
        align-items: start;
    }
    
    .configurator-controls {
        background: var(--color-bg-secondary);
        border: 1px solid var(--color-border);
        border-radius: var(--border-radius-lg);
        padding: 2.5rem;
        box-shadow: var(--shadow-soft);
    }
    
    .configurator-summary {
        position: sticky;
        top: 7rem;
        background: var(--color-bg-tertiary);
        border: 1px solid var(--color-border);
        border-radius: var(--border-radius-lg);
        padding: 2.5rem;
        box-shadow: var(--shadow-glow);
    }
    
    .config-title {
        font-family: var(--font-heading);
        font-size: 1.85rem;
        margin-bottom: 1.5rem;
        border-bottom: 1px solid var(--color-border);
        padding-bottom: 0.75rem;
    }
    
    .config-section {
        margin-bottom: 2.5rem;
    }
    
    .config-section-title {
        font-family: var(--font-heading);
        font-size: 1.15rem;
        font-weight: 600;
        margin-bottom: 1rem;
        color: var(--color-text-primary);
        display: flex;
        justify-content: space-between;
    }
    .config-section-title span.val-display {
        color: var(--color-brand-primary);
        font-weight: bold;
        font-family: 'Inter', sans-serif;
    }
    
    .category-tabs {
        display: flex;
        gap: 0.5rem;
        background: var(--color-bg-primary);
        padding: 0.25rem;
        border-radius: var(--border-radius-md);
        border: 1px solid var(--color-border);
        margin-bottom: 2rem;
    }
    
    .tab-btn {
        flex: 1;
        padding: 0.6rem 1rem;
        background: none;
        border: none;
        border-radius: var(--border-radius-md);
        color: var(--color-text-secondary);
        cursor: pointer;
        font-weight: 500;
        font-size: 0.85rem;
        text-align: center;
        transition: background-color 0.2s ease, color 0.2s ease;
    }
    .tab-btn.active {
        background-color: var(--color-bg-secondary);
        color: var(--color-brand-primary);
        box-shadow: var(--shadow-soft);
    }
    
    /* Wood Selection Grid */
    .wood-selector-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: var(--grid-gap-md);
    }
    
    .wood-card {
        background: var(--color-bg-primary);
        border: 2px solid var(--color-border);
        border-radius: var(--border-radius-md);
        padding: 1.25rem;
        cursor: pointer;
        transition: border-color 0.2s ease, transform 0.2s ease;
        text-align: left;
    }
    .wood-card:hover {
        transform: translateY(-2px);
        border-color: var(--color-text-muted);
    }
    .wood-card.selected {
        border-color: var(--color-brand-primary);
        box-shadow: var(--shadow-glow);
    }
    .wood-card-name {
        font-weight: 600;
        font-size: 0.95rem;
        margin-bottom: 0.25rem;
    }
    .wood-card-factor {
        font-size: 0.75rem;
        color: var(--color-brand-primary);
        font-weight: bold;
    }
    .wood-card-desc {
        font-size: 0.75rem;
        color: var(--color-text-secondary);
        margin-top: 0.5rem;
    }
    
    /* Dimension Sliders & Number Fields */
    .dimension-control {
        margin-bottom: 1.25rem;
    }
    .slider-header {
        display: flex;
        justify-content: space-between;
        font-size: 0.85rem;
        color: var(--color-text-secondary);
        margin-bottom: 0.5rem;
    }
    
    /* Customized Range Slider */
    input[type="range"] {
        width: 100%;
        appearance: none;
        background: var(--color-bg-primary);
        border: 1px solid var(--color-border);
        height: 8px;
        border-radius: 4px;
        outline: none;
    }
    input[type="range"]::-webkit-slider-thumb {
        appearance: none;
        width: 20px;
        height: 20px;
        border-radius: 50%;
        background: var(--color-brand-primary);
        cursor: pointer;
        box-shadow: var(--shadow-soft);
        transition: transform 0.1s ease;
    }
    input[type="range"]::-webkit-slider-thumb:hover {
        transform: scale(1.2);
    }
    
    /* Option selections */
    .option-list {
        display: grid;
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .checkbox-label {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        padding: 0.9rem 1.25rem;
        background: var(--color-bg-primary);
        border: 1px solid var(--color-border);
        border-radius: var(--border-radius-md);
        cursor: pointer;
        transition: background-color 0.2s ease, border-color 0.2s ease;
    }
    .checkbox-label:hover {
        background-color: var(--color-bg-tertiary);
    }
    .checkbox-label:has(input:checked) {
        border-color: var(--color-brand-primary);
        background-color: var(--color-brand-glow);
    }
    
    .option-info {
        display: flex;
        flex-direction: column;
    }
    .option-name {
        font-weight: 500;
        font-size: 0.95rem;
    }
    .option-desc {
        font-size: 0.75rem;
        color: var(--color-text-secondary);
    }
    .option-price {
        margin-left: auto;
        font-weight: 600;
        font-size: 0.9rem;
        color: var(--color-brand-primary);
    }
    
    /* Summary Board details */
    .summary-spec-list {
        margin: 1.5rem 0 2rem;
        padding-left: 0;
        list-style: none;
    }
    .summary-spec-item {
        display: flex;
        justify-content: space-between;
        padding: 0.75rem 0;
        border-bottom: 1px solid var(--color-border);
        font-size: 0.95rem;
    }
    .summary-spec-item span:first-child {
        color: var(--color-text-secondary);
    }
    .summary-spec-item span:last-child {
        font-weight: 500;
    }
    
    .summary-price-box {
        background-color: var(--color-bg-primary);
        border: 1px solid var(--color-border);
        padding: 1.5rem;
        border-radius: var(--border-radius-md);
        text-align: center;
        margin-bottom: 2rem;
    }
    .price-est-label {
        font-size: 0.8rem;
        color: var(--color-text-muted);
        text-transform: uppercase;
        letter-spacing: 0.05em;
        margin-bottom: 0.5rem;
        display: block;
    }
    .price-est-val {
        font-family: var(--font-heading);
        font-size: 2.25rem;
        font-weight: 700;
        color: var(--color-brand-primary);
    }
    
    /* Form fields inside configurator modal */
    .form-group {
        margin-bottom: 1.25rem;
    }
    .form-group label {
        display: block;
        font-size: 0.85rem;
        font-weight: 500;
        color: var(--color-text-secondary);
        margin-bottom: 0.5rem;
    }
    .form-group input, 
    .form-group select, 
    .form-group textarea {
        width: 100%;
        padding: 0.75rem 1rem;
        background: var(--color-bg-primary);
        border: 1px solid var(--color-border);
        border-radius: var(--border-radius-md);
        color: var(--color-text-primary);
        outline: none;
        transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }
    .form-group input:focus, 
    .form-group select:focus, 
    .form-group textarea:focus {
        border-color: var(--color-brand-primary);
        box-shadow: var(--shadow-glow);
    }
    
    /* Custom dialog modal */
    .dialog-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.6);
        backdrop-filter: blur(4px);
        z-index: 2000;
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
    }
    .dialog-overlay.open {
        opacity: 1;
        visibility: visible;
    }
    .dialog-box {
        background: var(--color-bg-secondary);
        border: 1px solid var(--color-border);
        border-radius: var(--border-radius-lg);
        width: 100%;
        max-width: 500px;
        padding: 2.5rem;
        box-shadow: var(--shadow-soft);
        transform: translateY(20px);
        transition: transform 0.3s ease;
    }
    .dialog-overlay.open .dialog-box {
        transform: translateY(0);
    }
    .dialog-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 1.5rem;
    }
    .dialog-title {
        font-family: var(--font-heading);
        font-size: 1.35rem;
        font-weight: 600;
    }
    .dialog-close {
        background: none;
        border: none;
        font-size: 1.5rem;
        cursor: pointer;
        color: var(--color-text-secondary);
    }
    .dialog-close:hover {
        color: var(--color-error);
    }

    /* ==========================================================================
       ADMIN CRM DASHBOARD
       ========================================================================== */
    .dashboard-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 1.5rem;
        border-bottom: 1px solid var(--color-border);
        padding-bottom: 2rem;
        margin-bottom: 3rem;
    }
    
    .stats-row {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: var(--grid-gap-md);
        margin-bottom: 3rem;
    }
    
    .stat-card {
        background: var(--color-bg-secondary);
        border: 1px solid var(--color-border);
        border-radius: var(--border-radius-md);
        padding: 1.5rem;
        box-shadow: var(--shadow-soft);
    }
    .stat-label {
        font-size: 0.8rem;
        color: var(--color-text-muted);
        text-transform: uppercase;
        letter-spacing: 0.05em;
        margin-bottom: 0.5rem;
        display: block;
    }
    .stat-value {
        font-family: var(--font-heading);
        font-size: 2rem;
        font-weight: 700;
        color: var(--color-text-primary);
    }
    .stat-card.accent .stat-value {
        color: var(--color-brand-primary);
    }
    
    .filter-bar {
        background: var(--color-bg-secondary);
        border: 1px solid var(--color-border);
        border-radius: var(--border-radius-md);
        padding: 1.25rem;
        margin-bottom: 2rem;
        display: flex;
        gap: 1.5rem;
        align-items: center;
        flex-wrap: wrap;
    }
    
    .quotes-grid {
        display: grid;
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .quote-card {
        background: var(--color-bg-secondary);
        border: 1px solid var(--color-border);
        border-radius: var(--border-radius-md);
        padding: 2rem;
        box-shadow: var(--shadow-soft);
        display: grid;
        grid-template-columns: 2.5fr 1fr;
        gap: 2rem;
        align-items: start;
        transition: border-color 0.2s ease;
    }
    .quote-card:hover {
        border-color: var(--color-border-hover);
    }
    
    .quote-details {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 1.5rem;
        margin: 1.25rem 0;
        background: var(--color-bg-primary);
        padding: 1.25rem;
        border-radius: var(--border-radius-md);
        border: 1px solid var(--color-border);
    }
    .detail-group {
        display: flex;
        flex-direction: column;
    }
    .detail-label {
        font-size: 0.75rem;
        text-transform: uppercase;
        color: var(--color-text-muted);
        letter-spacing: 0.05em;
        margin-bottom: 0.25rem;
    }
    .detail-val {
        font-size: 0.9rem;
        font-weight: 500;
    }
    
    .quote-meta {
        text-align: right;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        height: 100%;
    }
    .quote-price {
        font-family: var(--font-heading);
        font-size: 1.85rem;
        font-weight: 700;
        color: var(--color-brand-primary);
        margin-bottom: 0.5rem;
    }
    
    /* Status Badge System */
    .status-badge {
        display: inline-block;
        padding: 0.35rem 0.75rem;
        border-radius: 50px;
        font-size: 0.75rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }
    .status-pending {
        background-color: rgba(245, 158, 11, 0.15);
        color: var(--color-warning);
        border: 1px solid rgba(245, 158, 11, 0.25);
    }
    .status-in-progress {
        background-color: rgba(59, 130, 246, 0.15);
        color: var(--color-info);
        border: 1px solid rgba(59, 130, 246, 0.25);
    }
    .status-completed {
        background-color: rgba(16, 185, 129, 0.15);
        color: var(--color-success);
        border: 1px solid rgba(16, 185, 129, 0.25);
    }
    .status-cancelled {
        background-color: rgba(239, 68, 68, 0.15);
        color: var(--color-error);
        border: 1px solid rgba(239, 68, 68, 0.25);
    }
    
    /* Status updater form */
    .status-update-form {
        margin-top: 1rem;
        display: flex;
        gap: 0.5rem;
        align-items: center;
        justify-content: flex-end;
    }
    .status-select {
        padding: 0.35rem 0.5rem;
        font-size: 0.8rem;
        border-radius: var(--border-radius-sm);
        background: var(--color-bg-primary);
        border: 1px solid var(--color-border);
        color: var(--color-text-primary);
    }

    /* ==========================================================================
       GENERAL PAGES & FORMS (CONTACT / SUCCESS)
       ========================================================================== */
    .contact-layout {
        display: grid;
        grid-template-columns: 1fr 1.2fr;
        gap: 4rem;
        max-width: 1280px;
        margin: 0 auto;
    }
    
    .contact-info-panel {
        background: var(--color-bg-secondary);
        border: 1px solid var(--color-border);
        border-radius: var(--border-radius-lg);
        padding: 3rem;
    }
    
    .info-card {
        margin-bottom: 2rem;
    }
    .info-card h4 {
        font-family: var(--font-heading);
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
        color: var(--color-brand-primary);
    }
    .info-card p {
        color: var(--color-text-secondary);
        font-size: 0.95rem;
    }
    
    .alert-container {
        position: fixed;
        bottom: 2rem;
        right: 2rem;
        z-index: 2000;
        display: flex;
        flex-direction: column;
        gap: 0.75rem;
        max-width: 400px;
    }
    
    .alert {
        background: var(--color-bg-secondary);
        border-left: 4px solid var(--color-info);
        padding: 1rem 1.5rem;
        border-radius: var(--border-radius-md);
        box-shadow: var(--shadow-soft);
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 1.5rem;
        animation: slideIn 0.3s ease forwards;
    }
    .alert-success {
        border-left-color: var(--color-success);
    }
    .alert-warning {
        border-left-color: var(--color-warning);
    }
    .alert-error {
        border-left-color: var(--color-error);
    }
    .alert-message {
        font-size: 0.9rem;
        color: var(--color-text-primary);
    }
    .alert-close-btn {
        background: none;
        border: none;
        font-size: 1.2rem;
        cursor: pointer;
        color: var(--color-text-muted);
    }
    
    @keyframes slideIn {
        from { transform: translateX(100px); opacity: 0; }
        to { transform: translateX(0); opacity: 1; }
    }

    /* ==========================================================================
       FOOTER STYLING
       ========================================================================== */
    .main-footer {
        background: var(--color-bg-secondary);
        border-top: 1px solid var(--color-border);
        padding: 5rem 2rem 2rem;
        margin-top: auto;
    }
    
    .footer-container {
        max-width: 1280px;
        margin: 0 auto;
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
        gap: 3rem;
        margin-bottom: 4rem;
    }
    
    .footer-section h4 {
        font-family: var(--font-heading);
        font-size: 1.05rem;
        font-weight: 600;
        margin-bottom: 1.5rem;
        letter-spacing: 0.02em;
    }
    
    .brand-info .footer-logo {
        font-family: var(--font-heading);
        font-weight: 700;
        font-size: 1.2rem;
        letter-spacing: 0.05em;
        margin-bottom: 1rem;
        display: block;
    }
    
    .brand-info p {
        font-size: 0.9rem;
        color: var(--color-text-secondary);
        margin-bottom: 1.5rem;
        max-width: 320px;
    }
    
    .social-links {
        display: flex;
        gap: 1rem;
        font-size: 0.85rem;
    }
    
    .links-section ul {
        list-style: none;
        padding-left: 0;
    }
    .links-section ul li {
        margin-bottom: 0.75rem;
    }
    .links-section ul li a {
        font-size: 0.9rem;
        color: var(--color-text-secondary);
        transition: color 0.2s ease;
    }
    .links-section ul li a:hover {
        color: var(--color-brand-primary);
    }
    
    .contact-section p {
        font-size: 0.9rem;
        color: var(--color-text-secondary);
        line-height: 1.7;
    }
    
    .newsletter-section p {
        font-size: 0.9rem;
        color: var(--color-text-secondary);
        margin-bottom: 1.25rem;
    }
    
    .footer-subscribe-form {
        display: flex;
        gap: 0.5rem;
    }
    .footer-subscribe-form input {
        flex: 1;
        padding: 0.6rem 0.75rem;
        border-radius: var(--border-radius-md);
        border: 1px solid var(--color-border);
        background: var(--color-bg-primary);
        color: var(--color-text-primary);
        font-size: 0.85rem;
        outline: none;
    }
    .footer-subscribe-form input:focus {
        border-color: var(--color-brand-primary);
    }
    .btn-footer {
        background-color: var(--color-brand-primary);
        color: #ffffff;
        border: none;
        padding: 0.6rem 1rem;
        border-radius: var(--border-radius-md);
        cursor: pointer;
        font-weight: 600;
        font-size: 0.85rem;
        transition: background-color 0.2s ease;
    }
    .btn-footer:hover {
        background-color: var(--color-brand-hover);
    }
    
    .footer-bottom {
        max-width: 1280px;
        margin: 0 auto;
        border-top: 1px solid var(--color-border);
        padding-top: 2rem;
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 1rem;
        font-size: 0.8rem;
        color: var(--color-text-muted);
    }
    
    .footer-bottom-links {
        display: flex;
        gap: 1.5rem;
    }
    .footer-bottom-links a:hover {
        color: var(--color-brand-primary);
    }
}

@layer utilities {
    /* Utility utility classes */
    .text-center { text-align: center; }
    .text-right { text-align: right; }
    .mt-4 { margin-top: 1rem; }
    .mb-4 { margin-bottom: 1rem; }
    
    .visually-hidden {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }
}

/* ==========================================================================
   MEDIA QUERIES (RESPONSIVENESS)
   ========================================================================== */
@media (max-width: 1024px) {
    .configurator-layout {
        grid-template-columns: 1fr;
    }
    
    .configurator-summary {
        position: static;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .desktop-nav {
        display: none;
    }
    
    .mobile-toggle-btn {
        display: flex;
    }
    
    .page-hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .quote-card {
        grid-template-columns: 1fr;
    }
    
    .quote-meta {
        text-align: left;
        align-items: flex-start;
        border-top: 1px solid var(--color-border);
        padding-top: 1rem;
    }
    
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}