:root {
    /* Light theme colors */
    --bg-primary: #f5f5f5;
    --bg-secondary: white;
    --input-bg: white;
    --bg-tertiary: #e9ecef;
    --bg-input: #f8f9fa;
    --text-primary: #333;
    --text-secondary: #666;
    --text-muted: #6c757d;
    --input-text: #333;
    --border-color: #dee2e6;
    --shadow-color: rgba(0,0,0,0.15);
    --success-color: #28a745;
    --success-bg: #d4edda;
    --success-text: #155724;
    --error-color: #dc3545;
    --error-bg: #f8d7da;
    --error-text: #721c24;
    --warning-color: #ffc107;
    --warning-bg: #fff3cd;
    --info-color: #007bff;
    --info-bg: #d1ecf1;
    --info-text: #0c5460;
    --current-bg: #fff3cd;
    --current-border: #ffc107;
    --untyped-color: #323232;
    --link-color: #007bff;
    --link-hover: #0056b3;
    --button-primary: #007bff;
    --button-primary-hover: #0056b3;
    --button-danger: #dc3545;
    --button-danger-hover: #c82333;
    --button-danger-bg: rgba(220, 53, 69, 0.1);
    --input-border: #28a745;
    --input-border-focus: #20c997;
    --input-focus-shadow: rgba(40, 167, 69, 0.25);
    --input-disabled-bg: #e9ecef;
    --input-disabled-border: #6c757d;
    --confetti-overlay: rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    /* Dark theme colors */
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --input-bg: #2d2d2d;
    --bg-tertiary: #3a3a3a;
    --bg-input: #404040;
    --text-primary: #e0e0e0;
    --text-secondary: #b0b0b0;
    --text-muted: #888;
    --input-text: #e0e0e0;
    --border-color: #555;
    --shadow-color: rgba(0,0,0,0.3);
    --success-color: #28a745;
    --success-bg: #1e4d2b;
    --success-text: #a8d5ba;
    --error-color: #dc3545;
    --error-bg: #4d1e1e;
    --error-text: #f5c6cb;
    --warning-color: #ffc107;
    --warning-bg: #4d3e0a;
    --info-color: #17a2b8;
    --info-bg: #0c5460;
    --info-text: #bee5eb;
    --current-bg: #4d3e0a;
    --current-border: #ffc107;
    --untyped-color: #888;
    --link-color: #4dabf7;
    --link-hover: #74c0fc;
    --button-primary: #4dabf7;
    --button-primary-hover: #74c0fc;
    --button-danger: #ff6b6b;
    --button-danger-hover: #ff5252;
    --button-danger-bg: rgba(255, 107, 107, 0.1);
    --input-border: #28a745;
    --input-border-focus: #20c997;
    --input-focus-shadow: rgba(40, 167, 69, 0.25);
    --input-disabled-bg: #3a3a3a;
    --input-disabled-border: #555;
    --confetti-overlay: rgba(0, 0, 0, 0.3);
}

/* Dark theme specific styles for untyped text */
[data-theme="dark"] .untyped {
    background-color: rgba(0, 0, 0, 0.85);
    color: #e0e0e0;
    padding: 0px 0px;
    border-radius: 1px;
    display: inline;
    line-height: inherit;
    box-sizing: border-box;
}

/* Dark theme specific styles for quote source */
[data-theme="dark"] .quote-source {
    background-color: rgba(0, 0, 0, 0.8);
    color: #ffffff;
}

/* Dark theme specific styles for quote text */
[data-theme="dark"] .quote-text {
    color: var(--text-primary);
}

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

body {
    font-family: fira mono,dejavu sans mono,bitstream vera mono,consolas,lucida console,monospace;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    padding: 30px;
    padding-bottom: 100px; /* Extra bottom padding for mobile keyboards */
    font-size: 18px;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    background: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: 0 4px 20px var(--shadow-color);
    overflow: hidden;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.stats-bar {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr auto;
    gap: 30px;
    align-items: center;
    background: var(--bg-tertiary);
    padding: 25px 30px;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
    cursor: help;
    border-bottom: 1px dotted var(--text-muted);
    line-height: 1.2;
    transition: color 0.3s ease;
}

.stat-value {
    font-size: 28px;
    font-weight: bold;
    color: var(--text-primary);
    line-height: 1;
    transition: color 0.3s ease;
}

.stat-item:last-child {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 15px;
    justify-self: end;
}

.restart-btn {
    background: none;
    border: none;
    color: var(--button-danger);
    font-size: 18px;
    cursor: pointer;
    text-decoration: underline;
    padding: 8px 12px;
    margin-left: 15px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.restart-btn:hover {
    color: var(--button-danger-hover);
    background-color: var(--button-danger-bg);
}

.btn-small {
    background: var(--button-primary);
    border: none;
    color: white;
    font-size: 16px;
    cursor: pointer;
    padding: 10px 16px;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s ease;
    font-weight: 500;
}

.btn-small:hover {
    background: var(--button-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 123, 255, 0.3);
}

.quote-display {
    padding: 40px 30px;
    min-height: 250px;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -webkit-touch-callout: none;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
}

.quote-display::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.quote-display > * {
    position: relative;
    z-index: 2;
}

.quote-source {
    margin-bottom: 20px;
    font-size: 16px;
    color: #000000;
    text-align: center;
    transition: color 0.3s ease;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 8px 12px;
    border-radius: 6px;
    display: inline-block;
    margin-left: auto;
    margin-right: auto;
}

.book-link {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.book-link:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

.quote-text {
    font-size: 24px;
    line-height: 2.0;
    color: #000000;
    white-space: normal;
    word-wrap: break-word;
    word-break: break-word;
    font-family: fira mono,dejavu sans mono,bitstream vera mono,consolas,lucida console,monospace;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
    max-width: 100%;
    overflow-wrap: break-word;
    transition: color 0.3s ease;
}

.loading {
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
    transition: color 0.3s ease;
}

.options-bar {
    padding: 15px 30px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.3s ease, border-color 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.checkbox-container input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    margin-right: 8px;
    position: relative;
    background: var(--bg-secondary);
    transition: all 0.2s ease;
}

.checkbox-container input[type="checkbox"]:checked + .checkmark {
    background: var(--button-primary);
    border-color: var(--button-primary);
}

.checkbox-container input[type="checkbox"]:checked + .checkmark::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-label {
    font-weight: 500;
}

.btn-select-quote {
    background: var(--button-primary);
    border: none;
    color: white;
    font-size: 14px;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.2s ease;
    font-weight: 500;
    flex-shrink: 0;
    min-width: 40px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-select-quote:hover {
    background: var(--button-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 2px 6px rgba(0, 123, 255, 0.3);
}

.quote-link {
    color: var(--link-color);
    text-decoration: underline;
    transition: color 0.3s ease;
}

.quote-link:hover {
    color: var(--link-hover);
}

.input-container {
    padding: 30px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-input);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.watermark {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-muted);
    opacity: 0.7;
}

.watermark-logo {
    height: 16px;
    width: auto;
    opacity: 0.8;
}

.watermark-link {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.watermark-link:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

#textInput {
    width: 100%;
    border: 3px solid var(--input-border);
    border-radius: 10px;
    padding: 20px;
    font-size: 20px;
    font-family: fira mono,dejavu sans mono,bitstream vera mono,consolas,lucida console,monospace;
    resize: none;
    outline: none;
    background: var(--input-bg);
    color: var(--input-text);
    min-height: 60px;
    transition: all 0.2s ease;
}

#textInput:focus {
    border-color: var(--input-border-focus);
    box-shadow: 0 0 0 4px var(--input-focus-shadow);
    transform: translateY(-1px);
}

#textInput:disabled {
    background: var(--input-disabled-bg);
    cursor: not-allowed;
    border-color: var(--input-disabled-border);
}

/* Character highlighting */
.correct {
    background-color: var(--success-bg);
    color: var(--success-text);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.incorrect {
    background-color: var(--error-bg);
    color: var(--error-text);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.current {
    background-color: var(--current-bg);
    border-bottom: 2px solid var(--current-border);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}


.typed {
    background-color: var(--info-bg);
    color: var(--info-text);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.untyped {
    color: var(--untyped-color);
    background-color: rgba(255, 255, 255, 0.9);
    padding: 0px 0px;
    border-radius: 1px;
    transition: color 0.3s ease, background-color 0.3s ease;
    display: inline;
    line-height: inherit;
    box-sizing: border-box;
}

.incorrect-word {
    background-color: var(--error-bg);
    color: var(--error-text);
    padding: 0px 0px;
    border-radius: 1px;
    transition: color 0.3s ease, background-color 0.3s ease;
    display: inline;
    line-height: inherit;
    box-sizing: border-box;
}

/* Confetti Animation */
.confetti-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    overflow: hidden;
}

.confetti {
    position: absolute;
    width: 8px;
    height: 8px;
    background: #ff6b6b;
    left: 50%;
    top: 50%;
    animation: confetti-explosion 2.5s ease-out forwards;
}

.confetti:nth-child(2n) {
    background: #4ecdc4;
}

.confetti:nth-child(3n) {
    background: #45b7d1;
}

.confetti:nth-child(4n) {
    background: #96ceb4;
}

.confetti:nth-child(5n) {
    background: #feca57;
}

.confetti:nth-child(6n) {
    background: #ff9ff3;
}

@keyframes confetti-explosion {
    0% {
        transform: translate(-50%, -50%) scale(0) rotate(0deg);
        opacity: 1;
    }
    10% {
        transform: translate(-50%, -50%) scale(1) rotate(36deg);
        opacity: 1;
    }
    100% {
        transform: translate(var(--random-x), var(--random-y)) scale(0.8) rotate(720deg);
        opacity: 0;
    }
}

/* Completion overlay */
.completion-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--confetti-overlay);
    z-index: 999;
    pointer-events: none;
    transition: background-color 0.3s ease;
}

/* Responsive design */
@media (max-width: 768px) {
    body {
        padding: 15px;
        padding-bottom: 150px; /* Extra bottom padding for mobile keyboards */
        font-size: 16px;
    }
    
    .container {
        max-width: 100%;
        margin: 0;
    }
    
    .stats-bar {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
        padding: 20px;
    }
    
    .stat-item:last-child {
        grid-column: 1 / -1;
        justify-self: center;
        margin-top: 10px;
    }
    
    .stat-label {
        font-size: 16px;
    }
    
    .stat-value {
        font-size: 20px;
    }
    
    .quote-display {
        padding: 25px 20px;
        min-height: 200px;
    }
    
    .quote-text {
        font-size: 20px;
        line-height: 1.8;
    }
    
    .quote-source {
        font-size: 14px;
    }
    
    .input-container {
        padding: 20px;
    }
    
    #textInput {
        font-size: 18px;
        padding: 15px;
        min-height: 50px;
    }
    
    .btn-small {
        font-size: 14px;
        padding: 8px 12px;
    }
    
    .restart-btn {
        font-size: 16px;
        padding: 6px 10px;
    }
    
    .options-bar {
        padding: 12px 20px;
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    
    .watermark {
        align-self: flex-end;
    }
    
    /* Ensure quotes history has enough bottom margin on mobile */
    .quotes-history {
        margin-bottom: 100px !important;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
        padding-bottom: 200px; /* Extra bottom padding for mobile keyboards on small screens */
        font-size: 14px;
    }
    
    .stats-bar {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 15px;
    }
    
    .stat-item:last-child {
        grid-column: 1;
        justify-self: center;
        margin-top: 5px;
    }
    
    .quote-display {
        padding: 20px 15px;
    }
    
    .quote-text {
        font-size: 18px;
        line-height: 1.6;
    }
    
    .input-container {
        padding: 15px;
    }
    
    #textInput {
        font-size: 16px;
        padding: 12px;
    }
    
    .options-bar {
        padding: 10px 15px;
    }
}