/* TypeWriter Component - Standalone Styles */
/* Unique prefix: tw- for all classes following STANDALONE_PROJECT_SPECIFICATION.md */

:root {
    /* Color variables from original CodePen */
    --rf-light-color: #f4eeeb;
    --rf-dark-color: #653449;
    --rf-light-color-lighter: color-mix(in oklch, var(--rf-light-color), #fff 10%);
    --rf-light-color-darker: color-mix(in oklch, var(--rf-light-color), #000 10%);
    --rf-light-color-translucent: color-mix(
        in srgb,
        var(--rf-light-color),
        transparent 25%
    );
    --rf-dark-color-lighter: color-mix(in oklch, var(--rf-dark-color), #fff 10%);
    --rf-dark-color-darker: color-mix(in oklch, var(--rf-dark-color), #000 10%);
    --rf-dark-color-translucent: color-mix(
        in srgb,
        var(--rf-dark-color),
        transparent 25%
    );
    --rf-dark-color-darker-translucent: color-mix(
        in srgb,
        var(--rf-dark-color-darker),
        transparent 25%
    );
}

* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: var(--rf-light-color);
    color: var(--rf-dark-color);
}

.rf-wrapper {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

.rf-wrapper h1 {
    color: var(--rf-dark-color);
    margin: 0 0 2rem 0;
    font-size: 2.5rem;
    font-weight: 700;
}

.rf-demo-section {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.rf-demo-section h2 {
    color: var(--rf-dark-color);
    margin: 0 0 1.5rem 0;
    font-size: 1.75rem;
    font-weight: 600;
}

/* Control buttons */
#rf-controls {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

#rf-controls button {
    padding: 0.625rem 1.25rem;
    border: 2px solid var(--rf-dark-color);
    background: var(--rf-light-color);
    color: var(--rf-dark-color);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9375rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

#rf-controls button:hover {
    background: var(--rf-dark-color);
    color: var(--rf-light-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

#rf-controls button:active {
    transform: translateY(0);
}

#rf-controls button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

#rf-controls button:disabled:hover {
    background: var(--rf-light-color);
    color: var(--rf-dark-color);
    transform: none;
}

/* TypeWriter custom element */
fluency-reader {
    display: block;
    padding: 1.5rem;
    background: var(--rf-light-color-translucent);
    border-radius: 8px;
    border-left: 4px solid var(--rf-dark-color);
    min-height: 100px;
    font-weight: 400; /* Default to normal weight */
}

fluency-reader h3 {
    color: var(--rf-dark-color);
    margin: 0 0 1rem 0;
    font-size: 1.5rem;
}

fluency-reader h4 {
    color: var(--rf-dark-color);
    margin: 1.5rem 0 0.75rem 0;
    font-size: 1.125rem;
    font-weight: 600;
}

fluency-reader p {
    margin: 0 0 1rem 0;
    font-weight: 400; /* Normal weight for all paragraphs */
}

fluency-reader ul {
    margin: 0 0 1rem 0;
    padding-left: 1.5rem;
}

fluency-reader li {
    margin-bottom: 0.5rem;
}

fluency-reader strong {
    color: var(--rf-dark-color-darker);
    font-weight: 700;
}

fluency-reader em {
    font-style: italic;
    color: var(--rf-dark-color-darker);
}

fluency-reader code {
    background: var(--rf-dark-color-translucent);
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.875em;
}

fluency-reader a {
    color: var(--rf-dark-color);
    text-decoration: underline;
    transition: color 0.2s ease;
}

fluency-reader a:hover {
    color: var(--rf-dark-color-lighter);
}

/* Progress display */
#rf-progress {
    margin-top: 1rem;
    padding: 0.75rem;
    background: var(--rf-dark-color-translucent);
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--rf-dark-color);
    text-align: center;
    min-height: 2.5rem;
}

/* Footer */
.rf-footer {
    text-align: center;
    padding: 2rem;
    color: var(--rf-dark-color-darker);
    font-size: 0.875rem;
}

.rf-footer p {
    margin: 0.25rem 0;
}

.rf-footer a {
    color: var(--rf-dark-color);
    text-decoration: underline;
    transition: color 0.2s ease;
}

.rf-footer a:hover {
    color: var(--rf-dark-color-lighter);
}

/* Settings Controls (Theme + Font Size) */
.rf-settings-controls {
    display: flex;
    gap: 2rem;
    align-items: center;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 8px;
    border: 1px solid var(--rf-dark-color-translucent);
}

.rf-settings-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.rf-settings-label {
    font-weight: 600;
    color: var(--rf-dark-color);
    font-size: 0.9rem;
}

/* Theme Toggle */
.rf-theme-toggle {
    display: flex;
    gap: 0.5rem;
}

.rf-theme-btn {
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #666;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rf-theme-btn:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.05);
}

.rf-theme-btn.active {
    background: rgba(101, 52, 73, 0.3);
    border-color: var(--rf-dark-color);
    color: var(--rf-dark-color);
}

/* Font Size Controls */
.rf-fontsize-controls {
    display: flex;
    gap: 0.5rem;
}

.rf-fontsize-btn {
    width: 2rem;
    height: 2rem;
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #666;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

.rf-fontsize-btn:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.05);
}

.rf-fontsize-btn.active {
    background: rgba(101, 52, 73, 0.3);
    border-color: var(--rf-dark-color);
    color: var(--rf-dark-color);
}

/* Font size button content */
.rf-fontsize-btn {
    font-size: 1.2rem;
}

.rf-fontsize-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.8);
    transform: scale(1.05);
}

.rf-fontsize-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Font size display */
.rf-fontsize-display {
    min-width: 3.5rem;
    text-align: center;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--rf-dark-color);
}

/* Light Theme (Default) */
body.rf-theme-light {
    --rf-bg-primary: #f4eeeb;
    --rf-bg-secondary: #ffffff;
    --rf-text-primary: #653449;
    --rf-text-secondary: #4a5568;
}

/* Dark Theme */
body.rf-theme-dark {
    --rf-bg-primary: #1a1a1a;
    --rf-bg-secondary: #2d2d2d;
    --rf-text-primary: #ffffff;
    --rf-text-secondary: #e2e8f0;
    background-color: var(--rf-bg-primary);
}

body.rf-theme-dark .rf-wrapper {
    background-color: var(--rf-bg-primary);
}

body.rf-theme-dark .rf-demo-section {
    background: var(--rf-bg-secondary);
    color: var(--rf-text-primary);
}

body.rf-theme-dark .rf-wrapper h1 {
    color: var(--rf-text-primary);
}

body.rf-theme-dark .rf-demo-section h2 {
    color: var(--rf-text-primary);
}

body.rf-theme-dark fluency-reader {
    background: rgba(255, 255, 255, 0.05);
    color: var(--rf-text-primary);
    border-left-color: var(--rf-text-primary);
}

body.rf-theme-dark fluency-reader h3,
body.rf-theme-dark fluency-reader h4,
body.rf-theme-dark fluency-reader p,
body.rf-theme-dark fluency-reader li,
body.rf-theme-dark fluency-reader strong,
body.rf-theme-dark fluency-reader em {
    color: var(--rf-text-primary);
}

body.rf-theme-dark fluency-reader code {
    background: rgba(255, 255, 255, 0.1);
    color: var(--rf-text-secondary);
}

body.rf-theme-dark fluency-reader a {
    color: #4a90e2;
}

body.rf-theme-dark fluency-reader a:hover {
    color: #6ba8e5;
}

body.rf-theme-dark #rf-controls button {
    background: var(--rf-bg-secondary);
    color: var(--rf-text-primary);
    border-color: rgba(255, 255, 255, 0.2);
}

body.rf-theme-dark #rf-controls button:hover {
    background: var(--rf-text-primary);
    color: var(--rf-bg-primary);
}

body.rf-theme-dark #rf-controls button:disabled {
    background: var(--rf-bg-secondary);
    color: var(--rf-text-secondary);
    opacity: 0.5;
}

body.rf-theme-dark #rf-progress {
    background: rgba(255, 255, 255, 0.1);
    color: var(--rf-text-primary);
}

body.rf-theme-dark .rf-settings-controls {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.2);
}

body.rf-theme-dark .rf-settings-label {
    color: var(--rf-text-primary);
}

body.rf-theme-dark .rf-theme-btn,
body.rf-theme-dark .rf-fontsize-btn {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--rf-text-secondary);
}

body.rf-theme-dark .rf-theme-btn:hover,
body.rf-theme-dark .rf-fontsize-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

body.rf-theme-dark .rf-theme-btn.active,
body.rf-theme-dark .rf-fontsize-btn.active {
    background: rgba(255, 255, 255, 0.3);
    border-color: var(--rf-text-primary);
    color: var(--rf-text-primary);
}

body.rf-theme-dark .rf-fontsize-display {
    color: var(--rf-text-primary);
}

body.rf-theme-dark .rf-footer {
    color: var(--rf-text-secondary);
}

body.rf-theme-dark .rf-footer a {
    color: #4a90e2;
}

body.rf-theme-dark .rf-footer a:hover {
    color: #6ba8e5;
}


/* Responsive design */
@media (max-width: 768px) {
    .rf-wrapper {
        padding: 1rem;
    }

    .rf-wrapper h1 {
        font-size: 2rem;
    }

    .rf-demo-section {
        padding: 1.5rem;
    }

    #rf-controls {
        flex-direction: column;
    }

    #rf-controls button {
        width: 100%;
    }

    .rf-settings-controls {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .rf-settings-group {
        width: 100%;
    }

    .rf-theme-btn,
    .rf-fontsize-btn {
        padding: 0.375rem;
    }
}

/* RTL support */
fluency-reader[dir="rtl"] {
    direction: rtl;
    text-align: right;
}

fluency-reader[dir="rtl"] ul {
    padding-right: 1.5rem;
    padding-left: 0;
}

/* Animation cursor (optional visual enhancement) */
.rf-cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--rf-dark-color);
    margin-left: 2px;
    animation: rf-blink 1s step-end infinite;
}

@keyframes rf-blink {
    50% {
        opacity: 0;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    #rf-controls button {
        transition: none;
    }

    #rf-controls button:hover {
        transform: none;
    }

    .rf-cursor {
        animation: none;
    }
}