/* ============================================
   Text to Speech Online - tts- prefix
   Light Mode Default + Dark Mode Support
   Blue Theme (matches GIF Maker design system)
   ============================================ */

:root {
    --tts-transition: 0.25s;

    --tts-primary: #3399cc;
    --tts-primary-light: #e0f2fe;
    --tts-primary-dark: #2980b9;
    --tts-accent: #e64e4e;

    --tts-success: #339966;
    --tts-success-light: #d1fae5;
    --tts-warning: #f59e0b;
    --tts-warning-light: #fef3c7;
    --tts-danger: #e64e4e;
    --tts-danger-light: #fee2e2;

    --tts-bg: #f0f9ff;
    --tts-bg-elevated: #ffffff;
    --tts-bg-secondary: #e0f2fe;
    --tts-bg-tertiary: #bae6fd;

    --tts-text: #0c4a6e;
    --tts-text-secondary: #075985;
    --tts-text-muted: #6b7280;

    --tts-border: #bae6fd;
    --tts-border-light: #e0f2fe;

    --tts-shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --tts-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --tts-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --tts-shadow-primary: 0 4px 14px rgba(51,153,204,0.25);
    --tts-shadow-primary-hover: 0 6px 20px rgba(51,153,204,0.35);

    --tts-radius-sm: 6px;
    --tts-radius-md: 12px;
    --tts-radius-lg: 16px;
    --tts-radius-full: 9999px;
}

[data-theme="dark"] {
    --tts-primary: #60a5fa;
    --tts-primary-light: rgba(96,165,250,0.15);
    --tts-primary-dark: #3b82f6;
    --tts-accent: #f87171;

    --tts-success: #34d399;
    --tts-success-light: rgba(52,211,153,0.15);
    --tts-warning: #fbbf24;
    --tts-warning-light: rgba(251,191,36,0.15);
    --tts-danger: #f87171;
    --tts-danger-light: rgba(248,113,113,0.15);

    --tts-bg: #0c1929;
    --tts-bg-elevated: #152238;
    --tts-bg-secondary: #1e3a5f;
    --tts-bg-tertiary: #264a6e;

    --tts-text: #e0f2fe;
    --tts-text-secondary: #bae6fd;
    --tts-text-muted: #a8a8b3;

    --tts-border: #264a6e;
    --tts-border-light: #1e3a5f;

    --tts-shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --tts-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4);
    --tts-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.4);
}

/* ============================================
   custom_styles.css overrides
   ============================================ */
.tool-container {
    overflow: visible !important;
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem;
}

.tool-header {
    text-align: center;
    margin-bottom: 2rem;
}

.tool-title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin: 0 0 0.75rem;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--tts-primary);
}

.tool-title i { color: var(--tts-primary); }

.tool-container .tool-description,
.tool-description {
    max-width: 800px;
    margin: 0 auto;
    color: var(--tts-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    text-align: center;
}

.tool-description a {
    color: var(--tts-primary);
    text-decoration: none;
}

.tool-description a:hover { text-decoration: underline; }

/* ============================================
   hidden-attribute fix
   A class selector's display rule (flex/inline-flex) outranks the UA
   [hidden] rule, which would keep these elements visible even when the
   `hidden` attribute is set. Force them off when hidden.
   ============================================ */
.tts-unsupported[hidden],
.tts-error[hidden],
.tts-esttime[hidden],
.tts-reading-view[hidden],
.tts-download[hidden],
.tts-dl-result[hidden] {
    display: none !important;
}

/* ============================================
   UNSUPPORTED BROWSER NOTICE
   ============================================ */
.tts-unsupported {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    background: var(--tts-danger-light);
    border: 1px solid var(--tts-danger);
    border-radius: var(--tts-radius-md);
    padding: 1rem 1.125rem;
    margin-bottom: 1.5rem;
    color: var(--tts-text);
}

.tts-unsupported svg,
.tts-unsupported i {
    color: var(--tts-danger);
    flex-shrink: 0;
    margin-top: 2px;
}

.tts-unsupported p {
    margin: 0.25rem 0 0;
    color: var(--tts-text-secondary);
}

.tts-unsupported a {
    color: var(--tts-danger);
    font-weight: 600;
    text-decoration: underline;
}

/* ============================================
   EDITOR LAYOUT
   ============================================ */
.tts-editor {
    background: var(--tts-bg-elevated);
    border: 1px solid var(--tts-border);
    border-radius: var(--tts-radius-lg);
    box-shadow: var(--tts-shadow-md);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

/* ============================================
   INPUT PANEL
   ============================================ */
.tts-input-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.625rem;
    margin-bottom: 0.625rem;
}

.tts-input-label {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-weight: 700;
    color: var(--tts-text);
    font-size: 0.95rem;
}

.tts-input-label svg,
.tts-input-label i {
    color: var(--tts-primary);
}

.tts-input-actions {
    display: flex;
    gap: 0.375rem;
    flex-wrap: wrap;
}

/* Mini buttons - fully scoped to beat global button styles */
.tts-mini-btn {
    display: inline-flex !important;
    align-items: center;
    gap: 0.3125rem;
    background: var(--tts-bg-secondary) !important;
    color: var(--tts-text) !important;
    border: 1px solid var(--tts-border) !important;
    border-radius: var(--tts-radius-sm) !important;
    padding: 0.3125rem 0.625rem !important;
    font-size: 0.8rem !important;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--tts-transition);
    width: auto !important;
    line-height: 1.4;
    font-family: inherit;
}

.tts-mini-btn:hover {
    border-color: var(--tts-primary) !important;
    color: var(--tts-primary) !important;
    background: var(--tts-primary-light) !important;
}

.tts-mini-btn.tts-mini-danger:hover {
    border-color: var(--tts-danger) !important;
    color: var(--tts-danger) !important;
    background: var(--tts-danger-light) !important;
}

/* Textarea */
.tts-textarea {
    width: 100%;
    min-height: 200px;
    resize: vertical;
    border: 1px solid var(--tts-border);
    border-radius: var(--tts-radius-md);
    background: var(--tts-bg);
    color: var(--tts-text);
    font-family: inherit;
    font-size: 1rem;
    line-height: 1.7;
    padding: 0.875rem 1rem;
    transition: border-color var(--tts-transition), box-shadow var(--tts-transition);
}

.tts-textarea:focus {
    outline: none;
    border-color: var(--tts-primary);
    box-shadow: 0 0 0 3px rgba(51,153,204,0.15);
}

/* Reading view (sentence highlighting) */
.tts-reading-view {
    width: 100%;
    min-height: 200px;
    max-height: 380px;
    overflow-y: auto;
    border: 1px solid var(--tts-primary);
    border-radius: var(--tts-radius-md);
    background: var(--tts-bg);
    color: var(--tts-text);
    font-size: 1rem;
    line-height: 1.9;
    padding: 0.875rem 1rem;
}

.tts-reading-view .tts-sentence {
    cursor: pointer;
    border-radius: 4px;
    padding: 1px 2px;
    transition: background 0.15s ease;
}

.tts-reading-view .tts-sentence:hover {
    background: var(--tts-primary-light);
}

.tts-reading-view .tts-sentence.tts-current {
    background: var(--tts-primary);
    color: #ffffff;
}

.tts-counter-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.tts-counter {
    font-size: 0.8rem;
    color: var(--tts-text-muted);
    text-align: right;
    margin-left: auto;
}

.tts-esttime {
    display: inline-flex;
    align-items: center;
    gap: 0.3125rem;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--tts-primary);
    background: var(--tts-primary-light);
    padding: 0.2rem 0.6rem;
    border-radius: var(--tts-radius-full);
}

.tts-esttime i { color: var(--tts-primary); flex-shrink: 0; }

/* Import helper (PDF / DOCX -> viewers) */
.tts-import-hint {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin: 0.75rem 0 0;
    padding: 0.6rem 0.75rem;
    background: var(--tts-bg);
    border: 1px solid var(--tts-border-light);
    border-radius: var(--tts-radius-md);
    font-size: 0.82rem;
    line-height: 1.5;
    color: var(--tts-text-muted);
}

.tts-import-hint i {
    color: var(--tts-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.tts-import-hint a {
    color: var(--tts-primary);
    text-decoration: none;
    font-weight: 600;
}

.tts-import-hint a:hover { text-decoration: underline; }

/* ============================================
   SETTINGS GRID
   ============================================ */
.tts-settings {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 1rem;
    margin: 1.25rem 0;
}

.tts-settings > * {
    min-width: 0;
}

.tts-setting label {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--tts-text);
    margin-bottom: 0.5rem;
}

.tts-setting label svg,
.tts-setting label i {
    color: var(--tts-primary);
    flex-shrink: 0;
}

.tts-value {
    margin-left: auto;
    font-weight: 700;
    color: var(--tts-primary);
    font-size: 0.8rem;
    background: var(--tts-primary-light);
    padding: 0.15rem 0.55rem;
    border-radius: var(--tts-radius-full);
}

.tts-select {
    width: 100%;
    padding: 0.5625rem 0.75rem;
    border: 1px solid var(--tts-border);
    border-radius: var(--tts-radius-md);
    background: var(--tts-bg-elevated);
    color: var(--tts-text);
    font-size: 0.9rem;
    cursor: pointer;
    font-family: inherit;
}

.tts-select:focus {
    outline: none;
    border-color: var(--tts-primary);
    box-shadow: 0 0 0 3px rgba(51,153,204,0.15);
}

/* Range sliders */
.tts-range {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    border-radius: var(--tts-radius-full);
    background: var(--tts-bg-secondary);
    cursor: pointer;
    margin-top: 0.625rem;
}

.tts-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--tts-primary);
    border: 2px solid var(--tts-bg-elevated);
    box-shadow: 0 0 0 1px var(--tts-primary);
    cursor: pointer;
    transition: transform var(--tts-transition);
}

.tts-range::-webkit-slider-thumb:hover { transform: scale(1.15); }

.tts-range::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--tts-primary);
    border: 2px solid var(--tts-bg-elevated);
    box-shadow: 0 0 0 1px var(--tts-primary);
    cursor: pointer;
}

/* ============================================
   PLAYER
   ============================================ */
.tts-player {
    border-top: 1px solid var(--tts-border-light);
    padding-top: 1.25rem;
}

.tts-progress-wrap {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.875rem;
}

.tts-progress-bar {
    flex: 1;
    height: 8px;
    border-radius: var(--tts-radius-full);
    background: var(--tts-bg-secondary);
    overflow: hidden;
}

.tts-progress-fill {
    height: 100%;
    width: 0%;
    background: var(--tts-primary);
    border-radius: var(--tts-radius-full);
    transition: width 0.3s ease;
}

.tts-progress-text {
    font-size: 0.8rem;
    color: var(--tts-text-muted);
    white-space: nowrap;
    min-width: 90px;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.tts-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
}

/* Control buttons - scoped to beat global button styles */
.tts-ctrl-btn {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 44px !important;
    height: 44px;
    border-radius: 50% !important;
    background: var(--tts-bg-elevated) !important;
    color: var(--tts-primary) !important;
    border: 1px solid var(--tts-border) !important;
    cursor: pointer;
    transition: all var(--tts-transition);
    padding: 0 !important;
}

.tts-ctrl-btn:hover:not(:disabled) {
    background: var(--tts-primary) !important;
    border-color: var(--tts-primary) !important;
    color: #ffffff !important;
}

.tts-ctrl-btn:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.tts-stop-btn:hover:not(:disabled) {
    background: var(--tts-danger) !important;
    border-color: var(--tts-danger) !important;
    color: #ffffff !important;
}

.tts-play-btn {
    display: inline-flex !important;
    align-items: center;
    gap: 0.5rem;
    background: var(--tts-primary) !important;
    color: #ffffff !important;
    border: none !important;
    border-radius: var(--tts-radius-full) !important;
    padding: 0.75rem 2rem !important;
    font-size: 1rem !important;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--tts-transition);
    width: auto !important;
    box-shadow: var(--tts-shadow-primary);
    font-family: inherit;
}

.tts-play-btn:hover {
    background: var(--tts-primary-dark) !important;
    box-shadow: var(--tts-shadow-primary-hover);
    transform: translateY(-1px);
}

.tts-play-icon {
    display: inline-flex;
    align-items: center;
}

/* ============================================
   ERROR & NOTES
   ============================================ */
.tts-error {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-top: 0.875rem;
    padding: 0.75rem 0.875rem;
    border-radius: var(--tts-radius-md);
    background: var(--tts-danger-light);
    color: var(--tts-danger);
    font-size: 0.9rem;
}

.tts-error svg,
.tts-error i {
    color: var(--tts-danger);
    flex-shrink: 0;
    margin-top: 2px;
}

.tts-error a {
    color: var(--tts-danger);
    font-weight: 600;
    text-decoration: underline;
}

.tts-privacy-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.375rem;
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--tts-text-muted);
}

.tts-privacy-note svg,
.tts-privacy-note i {
    color: var(--tts-success);
}

/* ============================================
   DOWNLOAD MP3 (server-side)
   ============================================ */
.tts-download {
    background: var(--tts-bg-elevated);
    border: 1px solid var(--tts-border);
    border-radius: var(--tts-radius-lg);
    box-shadow: var(--tts-shadow-md);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.tts-download-head {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    flex-wrap: wrap;
    margin-bottom: 0.5rem;
}

.tts-download-title {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--tts-text);
}

.tts-download-title i { color: var(--tts-primary); flex-shrink: 0; }

.tts-download-badge {
    display: inline-flex;
    align-items: center;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--tts-primary);
    background: var(--tts-primary-light);
    padding: 0.2rem 0.6rem;
    border-radius: var(--tts-radius-full);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.tts-download-note {
    margin: 0 0 1.125rem;
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--tts-text-muted);
}

.tts-download-row {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    flex-wrap: wrap;
}

.tts-download-voice {
    flex: 1;
    min-width: 220px;
}

.tts-dl-btn {
    display: inline-flex !important;
    align-items: center;
    gap: 0.5rem;
    background: var(--tts-primary) !important;
    color: #ffffff !important;
    border: none !important;
    border-radius: var(--tts-radius-full) !important;
    padding: 0.7rem 1.75rem !important;
    font-size: 0.95rem !important;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--tts-transition);
    width: auto !important;
    box-shadow: var(--tts-shadow-primary);
    font-family: inherit;
    white-space: nowrap;
}

.tts-dl-btn:hover:not(:disabled) {
    background: var(--tts-primary-dark) !important;
    box-shadow: var(--tts-shadow-primary-hover);
    transform: translateY(-1px);
}

.tts-dl-btn:disabled {
    opacity: 0.65;
    cursor: progress;
}

.tts-dl-icon {
    display: inline-flex;
    align-items: center;
}

.tts-dl-btn:disabled .tts-dl-icon i {
    animation: tts-spin 0.9s linear infinite;
}

@keyframes tts-spin {
    to { transform: rotate(360deg); }
}

.tts-dl-result {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    flex-wrap: wrap;
    margin-top: 1.125rem;
    padding-top: 1.125rem;
    border-top: 1px solid var(--tts-border-light);
}

.tts-dl-audio {
    flex: 1;
    min-width: 220px;
    height: 40px;
}

.tts-dl-save {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.55rem 1.25rem;
    border-radius: var(--tts-radius-full);
    background: var(--tts-success);
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
    transition: all var(--tts-transition);
    white-space: nowrap;
}

.tts-dl-save:hover {
    filter: brightness(1.05);
    transform: translateY(-1px);
    color: #ffffff;
}

.tts-dl-save i { flex-shrink: 0; }

@media screen and (max-width: 600px) {
    .tts-download { padding: 1rem; }
    .tts-dl-btn { width: 100% !important; justify-content: center; }
    .tts-download-voice { min-width: 0; width: 100%; }
}

/* ============================================
   RELATED TOOLS
   ============================================ */
.tts-related-tools {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    background: var(--tts-bg-elevated);
    border: 1px solid var(--tts-border);
    border-radius: var(--tts-radius-lg);
    box-shadow: var(--tts-shadow-sm);
    padding: 1.25rem;
    margin-bottom: 2rem;
}

.tts-related-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--tts-text-muted);
    white-space: nowrap;
}

.tts-related-label svg,
.tts-related-label i {
    color: var(--tts-primary);
}

.tts-related-links {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tts-related-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem 0.875rem;
    border-radius: var(--tts-radius-full);
    background: var(--tts-bg-secondary);
    color: var(--tts-text);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--tts-transition);
}

.tts-related-link:hover {
    color: var(--tts-primary);
    background: var(--tts-primary-light);
}

/* ============================================
   INFO SECTIONS
   ============================================ */
.tts-info-sections {
    max-width: 1000px;
    margin: 0 auto 2rem;
    padding: 0 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.tts-info-card {
    background: var(--tts-bg-elevated);
    border: 1px solid var(--tts-border);
    border-radius: var(--tts-radius-lg);
    padding: 1.75rem 2rem;
}

.tts-info-card h2 {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 1.25rem;
    color: var(--tts-text);
}

.tts-info-card h2 svg,
.tts-info-card h2 i {
    color: var(--tts-primary);
    flex-shrink: 0;
}

.tts-info-card p {
    color: var(--tts-text-secondary);
    line-height: 1.7;
}

[data-theme="dark"] .tts-info-card p,
[data-theme="dark"] .tts-info-card li {
    color: var(--tts-text-muted);
}

.tts-info-card a {
    color: var(--tts-primary);
    text-decoration: none;
    font-weight: 500;
}

.tts-info-card a:hover { text-decoration: underline; }

/* Steps list */
.tts-steps-list {
    list-style: none;
    counter-reset: tts-step;
    padding: 0;
    margin: 1rem 0;
}

.tts-steps-list li {
    position: relative;
    counter-increment: tts-step;
    padding-left: 3rem;
    margin-bottom: 1rem;
    color: var(--tts-text-secondary);
    line-height: 1.7;
}

.tts-steps-list li::before {
    content: counter(tts-step);
    position: absolute;
    left: 0;
    top: 0;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--tts-primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

.tts-steps-list li strong {
    color: var(--tts-text);
}

/* Format / explanation items */
.tts-format-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin: 1.25rem 0;
}

.tts-format-list > * {
    min-width: 0;
}

.tts-format-item {
    background: var(--tts-bg);
    border: 1px solid var(--tts-border-light);
    border-radius: var(--tts-radius-md);
    padding: 1.25rem;
}

.tts-format-item svg,
.tts-format-item i {
    color: var(--tts-primary);
    margin-bottom: 0.625rem;
    display: block;
}

.tts-format-item h4 {
    margin: 0 0 0.375rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--tts-text);
}

.tts-format-item p {
    margin: 0;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--tts-text-muted);
}

/* Features grid */
.tts-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.tts-features-grid > * {
    min-width: 0;
}

.tts-feature-item {
    background: var(--tts-bg);
    border: 1px solid var(--tts-border-light);
    border-radius: var(--tts-radius-md);
    padding: 1.25rem;
}

.tts-feature-item svg,
.tts-feature-item i {
    color: var(--tts-primary);
    margin-bottom: 0.625rem;
    display: block;
}

.tts-feature-item h4 {
    margin: 0 0 0.375rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--tts-text);
}

.tts-feature-item p {
    margin: 0;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--tts-text-muted);
}

/* FAQ */
.tts-faq-list {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    margin-top: 1rem;
}

.tts-faq-item {
    border: 1px solid var(--tts-border-light);
    border-radius: var(--tts-radius-md);
    background: var(--tts-bg);
    overflow: hidden;
}

.tts-faq-question {
    display: flex !important;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    width: 100% !important;
    text-align: left;
    background: transparent !important;
    border: none !important;
    color: var(--tts-text) !important;
    font-weight: 600;
    font-size: 0.95rem !important;
    padding: 1rem 1.25rem !important;
    cursor: pointer;
    transition: color var(--tts-transition);
    font-family: inherit;
}

.tts-faq-question:hover { color: var(--tts-primary) !important; }

.tts-faq-question svg,
.tts-faq-question i {
    color: var(--tts-primary);
    flex-shrink: 0;
    transition: transform var(--tts-transition);
}

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

.tts-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--tts-transition);
}

.tts-faq-item.active .tts-faq-answer {
    max-height: 500px;
}

.tts-faq-answer p {
    padding: 0 1.25rem 1rem;
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.7;
    color: var(--tts-text-muted);
}

.tts-faq-answer a { color: var(--tts-primary); text-decoration: none; }
.tts-faq-answer a:hover { text-decoration: underline; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media screen and (max-width: 992px) {
    .tts-settings {
        grid-template-columns: 1fr 1fr;
    }

    .tts-setting-voice {
        grid-column: 1 / -1;
    }
}

@media screen and (max-width: 768px) {
    .tool-container { padding: 1rem; }
    .tool-title { font-size: 1.4rem; }

    .tts-info-sections {
        padding: 0 1rem;
    }

    .tts-info-card {
        padding: 1.25rem;
    }
}

@media screen and (max-width: 600px) {
    .tts-editor {
        padding: 1rem;
    }

    .tts-settings {
        grid-template-columns: 1fr;
    }

    .tts-input-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .tts-progress-text {
        min-width: 70px;
        font-size: 0.72rem;
    }

    .tts-play-btn {
        padding: 0.75rem 1.5rem !important;
    }

    .tts-related-tools {
        flex-direction: column;
        align-items: flex-start;
    }
}