/* Advanced WPM Typing Test - Modern CSS with Animations */

/* CSS Custom Properties (Variables) */
:root {
    /* Colors - Light Theme */
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --info-color: #06b6d4;
    
    /* Backgrounds */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: #ffffff;
    --bg-overlay: rgba(0, 0, 0, 0.5);
    
    /* Text Colors */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;
    
    /* Borders */
    --border-color: #e2e8f0;
    --border-hover: #cbd5e1;
    --border-focus: var(--primary-color);
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Typography */
    --font-family-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-family-mono: 'JetBrains Mono', 'Fira Code', 'Monaco', 'Consolas', monospace;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-base: 0.25s ease-in-out;
    --transition-slow: 0.4s ease-in-out;
}

/* Dark Theme Variables */
[data-theme="dark"] {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --bg-card: #1e293b;
    
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-muted: #64748b;
    
    --border-color: #334155;
    --border-hover: #475569;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

/* Container and Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Navigation */
.navbar {
    background: var(--bg-card);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-brand img {
    width: 40px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-weight: 500;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
    background-color: var(--bg-secondary);
}

.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 64px);
}

.section {
    display: none;
    padding: var(--spacing-2xl) 0;
    animation: fadeIn 0.5s ease-in-out;
}

.section.active {
    display: block;
}

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

/* Hero Section */
.hero {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-2xl);
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: inherit;
    font-size: 0.875rem;
    line-height: 1.5;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--text-inverse);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-tertiary);
    border-color: var(--border-hover);
}

.btn-success {
    background-color: var(--success-color);
    color: var(--text-inverse);
}

.btn-success:hover {
    background-color: #059669;
}

.btn-warning {
    background-color: var(--warning-color);
    color: var(--text-inverse);
}

.btn-warning:hover {
    background-color: #d97706;
}

.btn-info {
    background-color: var(--info-color);
    color: var(--text-inverse);
}

.btn-info:hover {
    background-color: #0891b2;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
}

.feature-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    color: white;
    font-size: 1.5rem;
}

.feature-card h3 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Test Configuration */
.test-config {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-xl);
}

.test-config h2 {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.config-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.config-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.config-group label {
    font-weight: 600;
    color: var(--text-primary);
}

.form-select,
.form-input,
.form-textarea {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.875rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-select:focus,
.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}


.form-textarea {
    min-height: 100px;
    resize: vertical;
    font-family: var(--font-family-mono);
}

.custom-time-input,
.custom-text-input {
    margin-top: var(--spacing-lg);
}

/* Test Interface */
.test-interface {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-xl);
}

/* Live Statistics */
.live-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    border: 1px solid var(--border-color);
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.stat-name {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.875rem;
}

/* Timer Section */
.timer-section {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.progress-ring {
    position: relative;
    width: 120px;
    height: 120px;
}

.progress-ring-svg {
    transform: rotate(-90deg);
}

.progress-ring-circle-bg {
    fill: none;
    stroke: var(--bg-tertiary);
    stroke-width: 4;
}

.progress-ring-circle {
    fill: none;
    stroke: var(--primary-color);
    stroke-width: 4;
    stroke-linecap: round;
    stroke-dasharray: 314.16;
    stroke-dashoffset: 314.16;
    transition: stroke-dashoffset 0.3s ease;
}

.timer-display {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    font-family: var(--font-family-mono);
}

/* Text Display */
.text-display {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.test-text {
    font-family: var(--font-family-mono);
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-primary);
    user-select: none;
    text-align: justify;
    display: flex;
    flex-wrap: wrap;
}

.test-text .char {
    position: relative;
    transition: all 0.1s ease;
}

.test-text .char.correct {
    background-color: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.test-text .char.incorrect {
    background-color: rgba(239, 68, 68, 0.2);
    color: var(--error-color);
}

.test-text .char.current {
    background-color: var(--primary-color);
    color: var(--text-inverse);
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Typing Area */
.typing-area {
    margin-bottom: var(--spacing-xl);
}

.typing-input {
    width: 100%;
    min-height: 120px;
    padding: var(--spacing-lg);
    font-family: var(--font-family-mono);
    font-size: 1rem;
    line-height: 1.6;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    background: var(--bg-primary);
    color: var(--text-primary);
    resize: none;
    transition: border-color var(--transition-fast);
}

.typing-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.typing-input:disabled {
    background-color: var(--bg-tertiary);
    color: var(--text-muted);
    cursor: not-allowed;
}

/* Test Controls */
.test-controls {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Results Container */
.results-container {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-xl);
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.results-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.results-header h3 {
    color: var(--success-color);
    font-size: 1.5rem;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.result-card {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: transform var(--transition-base);
}

.result-card:hover {
    transform: translateY(-2px);
}

.result-card.primary {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
}

.result-card.primary .result-value,
.result-card.primary .result-label,
.result-card.primary .result-description {
    color: white;
}

.result-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.result-content {
    flex: 1;
}

.result-value {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.result-label {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.result-description {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.results-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* Progress Section */
.progress-overview {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.progress-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.progress-card h3 {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.chart-container {
    position: relative;
}

.progress-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.stat-group {
    background: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.stat-group h4 {
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
}

.stat-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.stat-item-progress {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.stat-item-progress .stat-label {
    color: var(--text-secondary);
}

.stat-item-progress .stat-value {
    font-weight: 600;
    color: var(--primary-color);
}

.improvement-indicator {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.improvement-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--success-color);
    margin-bottom: var(--spacing-xs);
}

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

/* Test History */
.test-history {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.test-history h3 {
    margin-bottom: var(--spacing-lg);
}

.history-table-container {
    overflow-x: auto;
}

.history-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.history-table th,
.history-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.history-table th {
    font-weight: 600;
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.history-table td {
    color: var(--text-secondary);
}

.history-table .no-data {
    text-align: center;
    color: var(--text-muted);
    font-style: italic;
}

/* Help Section */
.help-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.help-card {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.help-card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.help-content ul {
    list-style: none;
    padding: 0;
}

.help-content li {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.help-content li:last-child {
    border-bottom: none;
}

.help-content strong {
    color: var(--text-primary);
}

.benchmark-list,
.shortcuts-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.benchmark-item,
.shortcut-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.benchmark-level {
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.benchmark-level.beginner { background: #fef3c7; color: #92400e; }
.benchmark-level.intermediate { background: #dbeafe; color: #1e40af; }
.benchmark-level.advanced { background: #d1fae5; color: #065f46; }
.benchmark-level.expert { background: #e0e7ff; color: #3730a3; }
.benchmark-level.professional { background: #fce7f3; color: #9d174d; }

kbd {
    display: inline-block;
    padding: 2px 6px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: var(--font-family-mono);
    font-size: 0.75rem;
    font-weight: 600;
}

/* FAQ Section */
.faq-section {
    background: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.faq-section h3 {
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-question {
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color var(--transition-fast);
}

.faq-question:hover {
    background: var(--bg-tertiary);
}

.faq-question h4 {
    margin: 0;
    color: var(--text-primary);
}

.faq-question i {
    color: var(--text-secondary);
    transition: transform var(--transition-fast);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 var(--spacing-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base), padding var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding: var(--spacing-lg);
}

.faq-answer p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-overlay);
    z-index: 2000;
    animation: modalFadeIn 0.3s ease-out;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

@keyframes modalFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* Certificate */
.certificate-content {
    max-width: 800px;
}

.certificate {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    padding: var(--spacing-2xl);
    margin: var(--spacing-lg);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-lg);
    text-align: center;
    color: #1e293b;
}

.certificate-header h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-weight: 800;
}

.certificate-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-2xl);
}

.certificate-text {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

.certificate-name {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: var(--spacing-lg) 0;
    text-decoration: underline;
}

.certificate-wpm {
    font-size: 3rem;
    font-weight: 800;
    color: var(--success-color);
    margin: var(--spacing-lg) 0;
}

.certificate-accuracy {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-color);
    margin: var(--spacing-lg) 0;
}

.certificate-date {
    font-size: 1rem;
    color: var(--text-muted);
    margin-top: var(--spacing-2xl);
    border-top: 1px solid var(--border-color);
    padding-top: var(--spacing-lg);
}

.certificate-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-section li {
    padding: var(--spacing-xs) 0;
    color: var(--text-secondary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 var(--spacing-sm);
    }
    
    .nav-links {
        gap: var(--spacing-sm);
    }
    
    .nav-link span {
        display: none;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-large {
        width: 100%;
        max-width: 300px;
    }
    
    .config-row {
        grid-template-columns: 1fr;
    }
    
    .live-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .progress-overview {
        grid-template-columns: 1fr;
    }
    
    .help-grid {
        grid-template-columns: 1fr;
    }
    
    .results-actions,
    .test-controls,
    .certificate-actions {
        flex-direction: column;
    }
    
    .results-actions .btn,
    .test-controls .btn,
    .certificate-actions .btn {
        width: 100%;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .test-config,
    .test-interface,
    .results-container {
        padding: var(--spacing-md);
    }
    
    .live-stats {
        grid-template-columns: 1fr;
    }
    
    .stat-card {
        padding: var(--spacing-md);
    }
    
    .test-text {
        font-size: 1rem;
    }
    
    .typing-input {
        font-size: 0.875rem;
    }
}

/* Print Styles */
@media print {
    .navbar,
    .test-controls,
    .results-actions,
    .certificate-actions,
    .footer {
        display: none;
    }
    
    .certificate {
        background: white;
        box-shadow: none;
        border: 2px solid #000;
    }
    
    .section {
        padding: 0;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --text-secondary: #000000;
        --bg-secondary: #ffffff;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus Styles for Accessibility */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.btn:focus,
.form-select:focus,
.form-input:focus,
.form-textarea:focus,
.typing-input:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
textarea::-webkit-scrollbar{
display: none;
}
#customText{
    margin-top: 8px;
    width: 100%;
}
option{
    padding-right: 50px;
}
.footer-section a{
    color: rgba(255, 255, 255, 0.893);
    text-decoration: none;
}
.footer-section a:hover{
    color: white;
}