/* ========================================
           COLOR PALETTE
           ======================================== */
        :root {
            /* Primary Colors */
            --primary-blue: #4A90A4;      /* Calming teal-blue */
            --primary-light: #E8F4F8;      /* Light blue background */
            --primary-dark: #2C5F6F;       /* Deep blue for contrast */
            
            /* Accent Colors */
            --accent-warm: #F4A460;        /* Warm peach for CTAs */
            --accent-coral: #FF8B94;       /* Soft coral */
            --accent-success: #81C784;     /* Gentle green */
            
            /* Framework-Specific Colors */
            --upward-spiral: #4DB8C4;      /* Cool teal */
            --act-deck: #FFB74D;           /* Warm amber */
            --self-compassion: #F48FB1;    /* Soft rose */
            --dbt-deck: #81C784;           /* Sage green */
            
            /* Neutrals */
            --white: #FFFFFF;
            --off-white: #FAFAFA;
            --light-gray: #F5F5F5;
            --medium-gray: #9E9E9E;
            --text-primary: #2C3E50;
            --text-secondary: #546E7A;
            
            /* Semantic Colors */
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
            
            /* Spacing System */
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 64px;
            --space-2xl: 96px;
            
            /* Typography */
            --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            --font-size-xs: 14px;
            --font-size-sm: 16px;
            --font-size-base: 18px;
            --font-size-lg: 24px;
            --font-size-xl: 32px;
            --font-size-2xl: 48px;
            
            /* Transitions */
            --transition-fast: 150ms ease;
            --transition-base: 250ms ease;
            --transition-slow: 350ms ease;
        }
        
        /* ========================================
           RESET & BASE STYLES
           ======================================== */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            font-family: var(--font-primary);
            font-size: var(--font-size-base);
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--off-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            -webkit-tap-highlight-color: transparent;
            -webkit-text-size-adjust: 100%;
        }
        
        /* iOS Safari fixes */
        input, textarea, select, button {
            -webkit-appearance: none;
            -moz-appearance: none;
            appearance: none;
        }
        
        /* Prevent iOS zoom on input focus */
        input, select, textarea {
            font-size: 16px;
        }
        
        /* ========================================
           TYPOGRAPHY
           ======================================== */
        h1, h2, h3, h4 {
            line-height: 1.3;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: var(--space-md);
        }
        
        h1 {
            font-size: var(--font-size-2xl);
            font-weight: 700;
        }
        
        h2 {
            font-size: var(--font-size-xl);
        }
        
        h3 {
            font-size: var(--font-size-lg);
        }
        
        p {
            margin-bottom: var(--space-md);
            color: var(--text-secondary);
        }
        
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        
        a:hover {
            color: var(--primary-dark);
        }
        
        a:focus {
            outline: 3px solid var(--accent-warm);
            outline-offset: 2px;
        }
        
        /* ========================================
           LAYOUT COMPONENTS
           ======================================== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-md);
            padding-left: max(var(--space-md), env(safe-area-inset-left));
            padding-right: max(var(--space-md), env(safe-area-inset-right));
        }
        
        .section {
            padding: var(--space-xl) 0;
        }
        
        .section-lg {
            padding: var(--space-2xl) 0;
        }
        
        /* ========================================
           HEADER & NAVIGATION
           ======================================== */
        .header {
            background: var(--white);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--primary-light);
            /* iOS safe area support */
            padding-left: env(safe-area-inset-left);
            padding-right: env(safe-area-inset-right);
        }
        
        .nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--space-sm) 0;
        }
        
        .logo {
            font-size: var(--font-size-lg);
            font-weight: 700;
            color: var(--primary-blue);
            display: flex;
            align-items: center;
            gap: var(--space-xs);
        }
        
        .nav-links {
            display: flex;
            gap: var(--space-lg);
            list-style: none;
        }
        
        .nav-link {
            font-weight: 500;
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }
        
        .nav-link:hover {
            color: var(--primary-blue);
        }
        
        /* ========================================
           HERO SECTION
           ======================================== */
        .hero {
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--white) 100%);
            padding: var(--space-2xl) 0;
            text-align: center;
            min-height: 60vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .hero-content {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .hero h1 {
            font-size: 56px;
            margin-bottom: var(--space-md);
            color: var(--primary-dark);
        }
        
        .hero-subtitle {
            font-size: var(--font-size-lg);
            color: var(--text-secondary);
            margin-bottom: var(--space-xl);
            font-weight: 400;
        }
        
        .hero-actions {
            display: flex;
            gap: var(--space-md);
            justify-content: center;
            flex-wrap: wrap;
        }
        
        /* ========================================
           BUTTONS
           ======================================== */
        .btn {
            padding: 16px 32px;
            font-size: var(--font-size-base);
            font-weight: 600;
            border-radius: 12px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: var(--space-xs);
            text-decoration: none;
        }
        
        .btn-primary {
            background: var(--accent-warm);
            color: var(--white);
            box-shadow: var(--shadow-md);
        }
        
        .btn-primary:hover {
            background: #E69450;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        
        .btn-secondary {
            background: var(--white);
            color: var(--primary-blue);
            border: 2px solid var(--primary-blue);
        }
        
        .btn-secondary:hover {
            background: var(--primary-light);
        }
        
        /* ========================================
           FRAMEWORK CARDS
           ======================================== */
        .frameworks-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: var(--space-lg);
            margin-top: var(--space-xl);
        }
        
        .framework-card {
            background: var(--white);
            border-radius: 16px;
            padding: var(--space-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            border-left: 4px solid var(--primary-blue);
            position: relative;
            overflow: hidden;
        }
        
        .framework-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--primary-blue);
            transition: width var(--transition-base);
        }
        
        .framework-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        
        .framework-card:hover::before {
            width: 8px;
        }
        
        .framework-card.upward-spiral {
            border-left-color: var(--upward-spiral);
        }
        
        .framework-card.upward-spiral::before {
            background: var(--upward-spiral);
        }
        
        .framework-card.act-deck {
            border-left-color: var(--act-deck);
        }
        
        .framework-card.act-deck::before {
            background: var(--act-deck);
        }
        
        .framework-card.self-compassion {
            border-left-color: var(--self-compassion);
        }
        
        .framework-card.self-compassion::before {
            background: var(--self-compassion);
        }
        
        .framework-card.dbt-deck {
            border-left-color: var(--dbt-deck);
        }
        
        .framework-card.dbt-deck::before {
            background: var(--dbt-deck);
        }
        
        .framework-icon {
            font-size: 48px;
            margin-bottom: var(--space-sm);
            display: block;
        }
        
        .framework-title {
            font-size: var(--font-size-lg);
            margin-bottom: var(--space-sm);
            color: var(--text-primary);
        }
        
        .framework-description {
            color: var(--text-secondary);
            font-size: var(--font-size-sm);
            line-height: 1.6;
            margin-bottom: var(--space-md);
        }
        
        .learn-more {
            color: var(--primary-blue);
            font-weight: 600;
            font-size: var(--font-size-sm);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        
        /* ========================================
           CARD DISPLAY AREA
           ======================================== */
        .card-display {
            background: var(--white);
            border-radius: 24px;
            padding: var(--space-xl);
            box-shadow: var(--shadow-md);
            max-width: 600px;
            margin: var(--space-xl) auto;
            text-align: center;
        }
        
        .card-visual {
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--white) 100%);
            border-radius: 16px;
            padding: var(--space-xl);
            margin-bottom: var(--space-md);
            min-height: 300px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            border: 2px solid var(--primary-blue);
        }
        
        .card-emoji {
            font-size: 72px;
            margin-bottom: var(--space-md);
        }
        
        .card-title {
            font-size: var(--font-size-xl);
            color: var(--primary-dark);
            margin-bottom: var(--space-sm);
        }
        
        .card-category {
            display: inline-block;
            padding: 6px 16px;
            background: var(--primary-blue);
            color: var(--white);
            border-radius: 20px;
            font-size: var(--font-size-xs);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        
        /* ========================================
           TOOLBOX SECTION
           ======================================== */
        .toolbox {
            background: var(--light-gray);
            border-radius: 16px;
            padding: var(--space-lg);
        }
        
        .toolbox-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: var(--space-md);
        }
        
        .toolbox-empty {
            text-align: center;
            padding: var(--space-xl);
            color: var(--medium-gray);
        }
        
        /* ========================================
           FOOTER
           ======================================== */
        .footer {
            background: var(--text-primary);
            color: var(--off-white);
            padding: var(--space-xl) 0;
            margin-top: var(--space-2xl);
            /* iOS safe area support */
            padding-left: env(safe-area-inset-left);
            padding-right: env(safe-area-inset-right);
            padding-bottom: calc(var(--space-xl) + env(safe-area-inset-bottom));
        }
        
        .crisis-resources {
            background: var(--primary-dark);
            padding: var(--space-lg);
            border-radius: 12px;
            margin-bottom: var(--space-lg);
        }
        
        .crisis-resources h3 {
            color: var(--accent-coral);
            margin-bottom: var(--space-sm);
        }
        
        .crisis-resources p {
            color: var(--off-white);
            margin-bottom: var(--space-sm);
        }
        
        .crisis-resources a {
            color: var(--accent-warm);
        }
        
        .crisis-resources a:hover {
            color: var(--white);
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: var(--space-lg);
        }
        
        .footer h3 {
            color: var(--white);
            margin-bottom: var(--space-sm);
        }
        
        .footer p {
            color: var(--medium-gray);
            font-size: var(--font-size-sm);
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: var(--space-xs);
        }
        
        .footer-links a {
            color: var(--medium-gray);
            font-size: var(--font-size-sm);
        }
        
        .footer-links a:hover {
            color: var(--white);
        }
        
        /* ========================================
           ACCORDION
           ======================================== */
        .accordion {
            margin-top: var(--space-xl);
        }
        
        .accordion-item {
            background: var(--white);
            border-radius: 12px;
            margin-bottom: var(--space-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        
        .accordion-header {
            padding: var(--space-md);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background var(--transition-fast);
        }
        
        .accordion-header:hover {
            background: var(--light-gray);
        }
        
        .accordion-title {
            font-weight: 600;
            color: var(--text-primary);
            margin: 0;
        }
        
        .accordion-icon {
            transition: transform var(--transition-base);
            color: var(--primary-blue);
        }
        
        .accordion-item.active .accordion-icon {
            transform: rotate(180deg);
        }
        
        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }
        
        .accordion-item.active .accordion-content {
            max-height: 1000px;
        }
        
        .accordion-body {
            padding: 0 var(--space-md) var(--space-md);
            color: var(--text-secondary);
        }
        
        /* ========================================
           UTILITIES
           ======================================== */
        .text-center {
            text-align: center;
        }
        
        .mt-xl {
            margin-top: var(--space-xl);
        }
        
        .mb-xl {
            margin-bottom: var(--space-xl);
        }
        
        /* ========================================
           MOBILE NAVIGATION
           ======================================== */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
        }
        
        .hamburger-line {
            width: 28px;
            height: 3px;
            background: var(--primary-blue);
            border-radius: 3px;
            transition: all var(--transition-base);
        }
        
        .hamburger.active .hamburger-line:nth-child(1) {
            transform: rotate(45deg) translate(8px, 8px);
        }
        
        .hamburger.active .hamburger-line:nth-child(2) {
            opacity: 0;
        }
        
        .hamburger.active .hamburger-line:nth-child(3) {
            transform: rotate(-45deg) translate(8px, -8px);
        }
        
        /* ========================================
           RESPONSIVE DESIGN
           ======================================== */
        
        /* Tablet */
        @media (max-width: 1024px) {
            :root {
                --space-xl: 48px;
                --space-2xl: 72px;
            }
            
            .container {
                padding: 0 var(--space-md);
            }
        }
        
        /* Mobile & Tablet */
        @media (max-width: 768px) {
            :root {
                --font-size-2xl: 36px;
                --font-size-xl: 28px;
                --font-size-lg: 20px;
                --space-lg: 32px;
                --space-xl: 40px;
                --space-2xl: 56px;
            }
            
            .hero {
                min-height: 50vh;
                padding: var(--space-xl) 0;
            }
            
            .hero h1 {
                font-size: 36px;
            }
            
            .hero-subtitle {
                font-size: var(--font-size-base);
            }
            
            /* Mobile Navigation */
            .hamburger {
                display: flex;
            }
            
            .nav-links {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                height: 100dvh; /* Dynamic viewport height for mobile browsers */
                background: var(--white);
                flex-direction: column;
                padding: 80px var(--space-lg) var(--space-lg);
                padding-bottom: calc(var(--space-lg) + env(safe-area-inset-bottom));
                box-shadow: var(--shadow-lg);
                transition: right var(--transition-slow);
                z-index: 1000;
                gap: 0;
                overflow-y: auto;
                -webkit-overflow-scrolling: touch;
            }
            
            .nav-links.active {
                right: 0;
            }
            
            .nav-links li {
                margin-bottom: var(--space-md);
            }
            
            .nav-link {
                display: block;
                padding: var(--space-sm);
                font-size: var(--font-size-lg);
                border-bottom: 1px solid var(--light-gray);
            }
            
            /* Mobile overlay when menu is open */
            .nav-overlay {
                display: none;
                position: fixed;
                top: 0;
                left: 0;
                width: 100%;
                height: 100%;
                height: 100dvh;
                background: rgba(0, 0, 0, 0.5);
                z-index: 999;
                opacity: 0;
                transition: opacity var(--transition-base);
            }
            
            .nav-overlay.active {
                display: block;
                opacity: 1;
            }
            
            /* Buttons */
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            
            .btn {
                width: 100%;
                justify-content: center;
                padding: 18px 24px;
                font-size: var(--font-size-base);
            }
            
            /* Cards */
            .frameworks-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            
            .framework-card {
                padding: var(--space-md);
            }
            
            /* Card Display */
            .card-display {
                padding: var(--space-md);
                border-radius: 16px;
            }
            
            .card-visual {
                padding: var(--space-md);
                min-height: 250px;
            }
            
            .card-emoji {
                font-size: 56px;
            }
            
            .card-title {
                font-size: var(--font-size-lg);
            }
            
            /* Accordion */
            .accordion-header {
                padding: var(--space-sm);
            }
            
            .accordion-title {
                font-size: var(--font-size-base);
            }
            
            .accordion-body {
                padding: 0 var(--space-sm) var(--space-sm);
                font-size: var(--font-size-sm);
            }
            
            /* Footer */
            .footer-content {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
            
            /* Toolbox */
            .toolbox {
                padding: var(--space-md);
            }
            
            .toolbox-header {
                flex-direction: column;
                align-items: flex-start;
                gap: var(--space-xs);
            }
        }
        
        /* Small Mobile */
        @media (max-width: 480px) {
            :root {
                --font-size-2xl: 32px;
                --font-size-xl: 24px;
                --font-size-lg: 18px;
            }
            
            .container {
                padding: 0 var(--space-sm);
            }
            
            .hero h1 {
                font-size: 32px;
            }
            
            .hero-subtitle {
                font-size: var(--font-size-sm);
            }
            
            .section {
                padding: var(--space-lg) 0;
            }
            
            .section-lg {
                padding: var(--space-xl) 0;
            }
            
            .framework-icon {
                font-size: 40px;
            }
            
            .card-emoji {
                font-size: 48px;
            }
        }
        
        /* Landscape phones */
        @media (max-width: 768px) and (orientation: landscape) {
            .hero {
                min-height: 100vh;
            }
        }
        
        /* Touch device optimizations */
        @media (hover: none) and (pointer: coarse) {
            /* Increase touch targets */
            .btn {
                min-height: 48px;
            }
            
            .nav-link {
                min-height: 48px;
                display: flex;
                align-items: center;
            }
            
            .accordion-header {
                min-height: 56px;
            }
            
            /* Remove hover effects on touch devices */
            .framework-card:hover {
                transform: none;
            }
            
            /* Add active states instead */
            .framework-card:active {
                transform: scale(0.98);
            }
            
            .btn:active {
                transform: scale(0.97);
            }
        }
        
        /* ========================================
           ACCESSIBILITY
           ======================================== */
        .skip-link {
            position: absolute;
            top: -40px;
            left: 0;
            background: var(--primary-blue);
            color: var(--white);
            padding: 8px;
            text-decoration: none;
            z-index: 9999;
        }
        
        .skip-link:focus {
            top: 0;
        }
        
        /* Focus visible for keyboard navigation */
        *:focus-visible {
            outline: 3px solid var(--accent-warm);
            outline-offset: 2px;
        }
        
        /* High contrast mode support */
        @media (prefers-contrast: high) {
            :root {
                --primary-blue: #2C5F6F;
                --text-secondary: var(--text-primary);
            }
        }
        
        /* Reduced motion support */
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }
        
        /* ========================================
           VIEW MANAGEMENT
           ======================================== */
        .view {
            display: none;
            animation: fadeIn var(--transition-base);
        }
        
        .view.active {
            display: block;
        }
        
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        /* ========================================
           MODAL
           ======================================== */
        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: auto;
            background-color: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            animation: fadeIn var(--transition-base);
        }
        
        .modal.active {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: var(--space-md);
        }
        
        .modal-content {
            background-color: var(--white);
            padding: var(--space-lg);
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
            max-width: 700px;
            width: 100%;
            max-height: 90vh;
            overflow-y: auto;
            position: relative;
            animation: slideUp var(--transition-base);
        }
        
        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .close {
            position: absolute;
            top: var(--space-md);
            right: var(--space-md);
            font-size: 32px;
            font-weight: 300;
            color: var(--medium-gray);
            cursor: pointer;
            background: none;
            border: none;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: all var(--transition-fast);
        }
        
        .close:hover {
            background: var(--light-gray);
            color: var(--text-primary);
            transform: rotate(90deg);
        }
        
        /* ========================================
           CARDS GRID
           ======================================== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: var(--space-md);
            margin-top: var(--space-lg);
        }
        
        .card-item {
            background: var(--white);
            border-radius: 12px;
            padding: var(--space-md);
            box-shadow: var(--shadow-sm);
            cursor: pointer;
            transition: all var(--transition-base);
            border-left: 4px solid var(--primary-blue);
            position: relative;
        }
        
        .card-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        
        .card-item.upward_spiral {
            border-left-color: var(--upward-spiral);
        }
        
        .card-item.act {
            border-left-color: var(--act-deck);
        }
        
        .card-item.self_compassion {
            border-left-color: var(--self-compassion);
        }
        
        .card-item.dbt {
            border-left-color: var(--dbt-deck);
        }
        
        .card-deck-label {
            display: inline-block;
            font-size: var(--font-size-xs);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--primary-blue);
            margin-bottom: var(--space-xs);
            padding: 4px 12px;
            background: var(--primary-light);
            border-radius: 12px;
        }
        
        .card-item.upward_spiral .card-deck-label {
            color: var(--upward-spiral);
            background: rgba(77, 184, 196, 0.1);
        }
        
        .card-item.act .card-deck-label {
            color: var(--act-deck);
            background: rgba(255, 183, 77, 0.1);
        }
        
        .card-item.self_compassion .card-deck-label {
            color: var(--self-compassion);
            background: rgba(244, 143, 177, 0.1);
        }
        
        .card-item.dbt .card-deck-label {
            color: var(--dbt-deck);
            background: rgba(129, 199, 132, 0.1);
        }
        
        .card-content {
            color: var(--text-secondary);
            line-height: 1.6;
            margin-top: var(--space-sm);
        }
        
        .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-xs);
            margin-top: var(--space-sm);
        }
        
        .tag {
            display: inline-block;
            padding: 4px 10px;
            background: var(--light-gray);
            color: var(--text-secondary);
            border-radius: 12px;
            font-size: 13px;
            font-weight: 500;
        }
        
        .card-actions {
            display: flex;
            gap: var(--space-sm);
            margin-top: var(--space-md);
            flex-wrap: wrap;
        }
        
        .btn-save,
        .btn-practice {
            flex: 1;
            min-width: 140px;
            padding: 10px 16px;
            border: none;
            border-radius: 8px;
            font-size: var(--font-size-sm);
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }
        
        .btn-save {
            background: var(--primary-light);
            color: var(--primary-blue);
            border: 2px solid var(--primary-blue);
        }
        
        .btn-save:hover {
            background: var(--primary-blue);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        
        .btn-save.saved {
            background: var(--accent-success);
            color: var(--white);
            border-color: var(--accent-success);
        }
        
        .btn-save.saved:hover {
            background: #66BB6A;
        }
        
        .btn-practice {
            background: var(--accent-warm);
            color: var(--white);
            border: 2px solid var(--accent-warm);
        }
        
        .btn-practice:hover {
            background: #E89450;
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        
        /* ========================================
           DAILY DRAW
           ======================================== */
        .draw-options {
            display: flex;
            flex-wrap: wrap;
            gap: var(--space-md);
            margin: var(--space-lg) 0;
            padding: var(--space-md);
            background: var(--light-gray);
            border-radius: 12px;
        }
        
        .draw-options label {
            display: flex;
            align-items: center;
            gap: var(--space-xs);
            cursor: pointer;
            font-weight: 500;
            color: var(--text-primary);
        }
        
        .draw-options input[type="radio"] {
            width: 20px;
            height: 20px;
            cursor: pointer;
            accent-color: var(--primary-blue);
        }
        
        .btn-draw {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: var(--space-xs);
            width: 100%;
            max-width: 400px;
            margin: 0 auto;
            padding: 18px 32px;
            font-size: var(--font-size-lg);
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary-blue), var(--upward-spiral));
            color: var(--white);
            border: none;
            border-radius: 12px;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-md);
        }
        
        .btn-draw:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }
        
        .btn-draw:active {
            transform: translateY(-1px);
        }
        
        /* ========================================
           BROWSE & FILTER
           ======================================== */
        .browse-controls {
            background: var(--white);
            padding: var(--space-lg);
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            margin-bottom: var(--space-lg);
        }
        
        .search-box {
            margin-bottom: var(--space-md);
        }
        
        .search-box input {
            width: 100%;
            padding: 14px 18px;
            font-size: var(--font-size-base);
            border: 2px solid var(--light-gray);
            border-radius: 8px;
            transition: border-color var(--transition-fast);
        }
        
        .search-box input:focus {
            outline: none;
            border-color: var(--primary-blue);
        }
        
        .filter-section {
            margin-top: var(--space-md);
        }
        
        .filter-section h3 {
            font-size: var(--font-size-lg);
            margin-bottom: var(--space-md);
            color: var(--text-primary);
        }
        
        .filter-group {
            margin-bottom: var(--space-md);
        }
        
        .filter-group h4 {
            font-size: var(--font-size-base);
            margin-bottom: var(--space-sm);
            color: var(--text-primary);
            font-weight: 600;
        }
        
        .filter-group label {
            display: block;
            margin-bottom: var(--space-xs);
            cursor: pointer;
            color: var(--text-secondary);
            font-weight: 500;
        }
        
        .filter-group input[type="checkbox"] {
            margin-right: var(--space-xs);
            width: 18px;
            height: 18px;
            cursor: pointer;
            accent-color: var(--primary-blue);
        }
        
        .filter-group select {
            width: 100%;
            padding: 10px 14px;
            font-size: var(--font-size-base);
            border: 2px solid var(--light-gray);
            border-radius: 8px;
            background: var(--white);
            cursor: pointer;
            transition: border-color var(--transition-fast);
        }
        
        .filter-group select:focus {
            outline: none;
            border-color: var(--primary-blue);
        }
        
        /* ========================================
           TOOLBOX
           ======================================== */
        .toolbox-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: var(--space-md);
            margin-bottom: var(--space-lg);
        }
        
        .stat-card {
            background: linear-gradient(135deg, var(--primary-blue), var(--upward-spiral));
            color: var(--white);
            padding: var(--space-lg);
            border-radius: 12px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        
        .stat-number {
            display: block;
            font-size: 48px;
            font-weight: 700;
            margin-bottom: var(--space-xs);
        }
        
        .stat-label {
            display: block;
            font-size: var(--font-size-base);
            opacity: 0.9;
            font-weight: 500;
        }
        
        .empty-state {
            text-align: center;
            padding: var(--space-2xl) var(--space-lg);
            color: var(--medium-gray);
        }
        
        .empty-state p {
            font-size: var(--font-size-lg);
            margin-bottom: var(--space-lg);
        }
        
        /* ========================================
           MOBILE RESPONSIVE ADDITIONS
           ======================================== */
        @media (max-width: 768px) {
            .modal-content {
                padding: var(--space-md);
                max-height: 85vh;
            }
            
            .close {
                top: var(--space-sm);
                right: var(--space-sm);
            }
            
            .cards-grid {
                grid-template-columns: 1fr;
                gap: var(--space-sm);
            }
            
            .card-actions {
                flex-direction: column;
            }
            
            .btn-save,
            .btn-practice {
                width: 100%;
            }
            
            .draw-options {
                flex-direction: column;
                gap: var(--space-sm);
            }
            
            .toolbox-stats {
                grid-template-columns: 1fr;
            }
            
            .stat-number {
                font-size: 36px;
            }
        }
        
        @media (max-width: 480px) {
            .browse-controls {
                padding: var(--space-md);
            }
            
            .filter-section h3 {
                font-size: var(--font-size-base);
            }
        }
        }