/* ============================================================================
 * Voice Navigation - Styles (Dark Theme)
 *
 * Adapted from SNLab_voice_widget.xml CSS to match SNLab dark VS Code theme
 * Uses CSS variables from snlab-core.css design tokens
 *
 * z-index assignments (below maintenance overlay at 99999):
 *   .vn-voice-btn:          9000
 *   .vn-waveform-container: 9001
 *   .vn-speech-preview:     9001
 *   .vn-palette-overlay:    9500
 *   .vn-tutorial-overlay:   9600
 *   .vn-toast:              9700
 *
 * Author: iDevOpsLLC
 * ============================================================================ */

/* CSS Variables - mapped from XML widget to SNLab design tokens */
.vn-root {
    --vn-primary: var(--accent-blue, #569CD6);
    --vn-primary-light: #6CB0E0;
    --vn-primary-dark: #4080B8;
    --vn-success: var(--accent-green, #4EC9B0);
    --vn-warning: var(--accent-orange, #CE9178);
    --vn-error: var(--accent-red, #F44747);
    --vn-purple: var(--accent-purple, #C586C0);

    --vn-bg-primary: var(--bg-primary, #1E1E1E);
    --vn-bg-secondary: var(--bg-secondary, #252526);
    --vn-bg-tertiary: var(--bg-tertiary, #2D2D2D);
    --vn-bg-hover: var(--bg-hover, #3C3C3C);

    --vn-text-primary: var(--text-primary, #D4D4D4);
    --vn-text-secondary: var(--text-secondary, #808080);
    --vn-text-muted: var(--text-muted, #6A6A6A);

    --vn-border: var(--border-color, #404040);
    --vn-glass-bg: rgba(30, 30, 30, 0.95);
    --vn-glass-border: rgba(255, 255, 255, 0.08);

    --vn-radius-sm: 6px;
    --vn-radius-md: 10px;
    --vn-radius-lg: 16px;
    --vn-radius-full: 9999px;

    --vn-shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --vn-shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
    --vn-transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --vn-font: 'JetBrains Mono', monospace;
}

/* Screen Reader Only */
.vn-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;
}

/* ============================================================
   Voice Activation Button (FAB)
   ============================================================ */

.vn-voice-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 52px;
    height: 52px;
    border-radius: var(--vn-radius-full);
    border: none;
    background: var(--vn-bg-tertiary);
    color: var(--vn-text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--vn-transition);
    z-index: 9000;
    box-shadow: var(--vn-shadow-md);
    outline: none;
    font-family: var(--vn-font);
}

.vn-voice-btn:hover {
    background: var(--vn-bg-hover);
    transform: scale(1.08);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
}

.vn-voice-btn:focus-visible {
    box-shadow: 0 0 0 3px var(--vn-primary), 0 0 0 6px rgba(86, 156, 214, 0.3);
}

.vn-voice-btn--listening {
    background: var(--vn-primary);
    color: #fff;
    transform: scale(1.1);
}

.vn-voice-btn--processing {
    background: var(--vn-warning);
    color: #1E1E1E;
}

.vn-voice-btn--success {
    background: var(--vn-success);
    color: #1E1E1E;
}

.vn-voice-btn--error {
    background: var(--vn-error);
    color: #fff;
}

.vn-voice-btn__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 2;
    font-size: 20px;
}

.vn-voice-btn__icon svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

.vn-mic-active {
    animation: vn-mic-breathe 1s ease-in-out infinite;
}

@keyframes vn-mic-breathe {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

.vn-spinner-icon {
    animation: vn-spin 0.8s linear infinite;
}

@keyframes vn-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Pulse rings */
.vn-voice-btn__pulse {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 52px;
    height: 52px;
    border-radius: var(--vn-radius-full);
    background: var(--vn-primary);
    opacity: 0;
    transform: translate(-50%, -50%) scale(1);
    animation: vn-pulse-ring 1.5s ease-out infinite;
    pointer-events: none;
}

.vn-voice-btn__pulse--delayed {
    animation-delay: 0.5s;
}

@keyframes vn-pulse-ring {
    0% {
        opacity: 0.4;
        transform: translate(-50%, -50%) scale(1);
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(2.2);
    }
}

/* ============================================================
   Waveform Visualization
   ============================================================ */

.vn-waveform-container {
    position: fixed;
    bottom: 86px;
    right: 8px;
    width: 120px;
    height: 56px;
    z-index: 9001;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vn-waveform-canvas {
    width: 120px;
    height: 56px;
    border-radius: var(--vn-radius-md);
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
}

/* ============================================================
   Speech Preview (interim text)
   ============================================================ */

.vn-speech-preview {
    position: fixed;
    bottom: 86px;
    right: 140px;
    background: var(--vn-glass-bg);
    color: var(--vn-text-primary);
    padding: 8px 16px;
    border-radius: var(--vn-radius-md);
    backdrop-filter: blur(12px);
    border: 1px solid var(--vn-glass-border);
    max-width: 300px;
    z-index: 9001;
    animation: vn-fade-in 0.2s ease-out;
    font-size: 13px;
    font-family: var(--vn-font);
}

.vn-speech-preview__text {
    display: block;
    font-style: italic;
    color: var(--vn-text-secondary);
}

.vn-speech-preview__confidence {
    display: block;
    font-size: 11px;
    color: var(--vn-text-muted);
    margin-top: 2px;
}

@keyframes vn-fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes vn-fade-out {
    from { opacity: 1; transform: translateY(0); }
    to { opacity: 0; transform: translateY(8px); }
}

/* ============================================================
   Command Palette Overlay
   ============================================================ */

.vn-palette-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 9500;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 12vh;
    animation: vn-overlay-in 0.15s ease-out;
}

.vn-palette-overlay--hidden {
    display: none;
}

@keyframes vn-overlay-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

.vn-palette {
    width: 100%;
    max-width: 780px;
    background: var(--vn-glass-bg);
    border: 1px solid var(--vn-glass-border);
    border-radius: var(--vn-radius-lg);
    box-shadow: var(--vn-shadow-lg);
    overflow: hidden;
    animation: vn-palette-in 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    max-height: 70vh;
    display: flex;
    flex-direction: column;
    font-family: var(--vn-font);
}

@keyframes vn-palette-in {
    from { opacity: 0; transform: scale(0.95) translateY(-20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

/* Palette Header */
.vn-palette__header {
    padding: 16px 16px 8px;
    border-bottom: 1px solid var(--vn-glass-border);
}

.vn-palette__input-wrap {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--vn-radius-md);
    padding: 0 12px;
    border: 1px solid transparent;
    transition: border-color var(--vn-transition);
}

.vn-palette__input-wrap:focus-within {
    border-color: var(--vn-primary);
    box-shadow: 0 0 0 2px rgba(86, 156, 214, 0.2);
}

.vn-palette__search-icon {
    flex-shrink: 0;
    color: var(--vn-text-muted);
    margin-right: 8px;
    font-size: 14px;
}

.vn-palette__input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--vn-text-primary);
    font-size: 14px;
    padding: 12px 0;
    outline: none;
    font-family: var(--vn-font);
}

.vn-palette__input::placeholder {
    color: var(--vn-text-muted);
}

.vn-palette__voice-toggle {
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.06);
    border: none;
    color: var(--vn-text-muted);
    width: 32px;
    height: 32px;
    border-radius: var(--vn-radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--vn-transition);
    font-size: 14px;
}

.vn-palette__voice-toggle:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--vn-text-primary);
}

.vn-palette__voice-toggle--active {
    background: var(--vn-primary);
    color: #fff;
    animation: vn-mic-breathe 1s ease-in-out infinite;
}

.vn-palette__voice-toggle:focus-visible {
    box-shadow: 0 0 0 2px var(--vn-primary);
}

.vn-palette__help-text {
    font-size: 11px;
    color: var(--vn-text-muted);
    margin: 6px 0 0;
    padding: 0;
}

.vn-palette__help-text kbd {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--vn-glass-border);
    border-radius: 3px;
    padding: 1px 5px;
    font-size: 10px;
    font-family: var(--vn-font);
    color: var(--vn-text-secondary);
}

/* Listening indicator */
.vn-listening-indicator {
    color: var(--vn-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
}

.vn-listening-dot {
    width: 6px;
    height: 6px;
    border-radius: var(--vn-radius-full);
    background: var(--vn-primary);
    animation: vn-blink 1s ease-in-out infinite;
}

@keyframes vn-blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* Language Bar */
.vn-palette__lang-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-bottom: 1px solid var(--vn-glass-border);
    font-size: 12px;
}

.vn-palette__lang-label {
    color: var(--vn-text-muted);
    white-space: nowrap;
}

.vn-palette__lang-select {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--vn-glass-border);
    color: var(--vn-text-primary);
    padding: 4px 8px;
    border-radius: var(--vn-radius-sm);
    font-size: 12px;
    font-family: var(--vn-font);
    outline: none;
    cursor: pointer;
}

.vn-palette__lang-select option {
    background: var(--vn-bg-secondary);
    color: var(--vn-text-primary);
}

.vn-palette__lang-select:focus-visible {
    box-shadow: 0 0 0 2px var(--vn-primary);
}

.vn-palette__tutorial-btn {
    margin-left: auto;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--vn-glass-border);
    color: var(--vn-text-secondary);
    padding: 4px 10px;
    border-radius: var(--vn-radius-sm);
    font-size: 12px;
    font-family: var(--vn-font);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all var(--vn-transition);
}

.vn-palette__tutorial-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--vn-text-primary);
}

.vn-palette__tutorial-btn:focus-visible {
    box-shadow: 0 0 0 2px var(--vn-primary);
}

/* Tabs */
.vn-palette__tabs {
    display: flex;
    padding: 0 16px;
    gap: 2px;
    border-bottom: 1px solid var(--vn-glass-border);
}

.vn-palette__tab {
    background: none;
    border: none;
    color: var(--vn-text-muted);
    padding: 10px 14px;
    font-size: 12px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all var(--vn-transition);
    font-family: var(--vn-font);
    display: flex;
    align-items: center;
    gap: 6px;
}

.vn-palette__tab:hover {
    color: var(--vn-text-primary);
}

.vn-palette__tab--active {
    color: #fff;
    border-bottom-color: var(--vn-primary);
}

.vn-palette__tab:focus-visible {
    outline: 2px solid var(--vn-primary);
    outline-offset: -2px;
    border-radius: var(--vn-radius-sm);
}

.vn-badge {
    background: var(--vn-primary);
    color: #fff;
    font-size: 10px;
    padding: 1px 6px;
    border-radius: var(--vn-radius-full);
    font-weight: 600;
}

/* Results Area */
.vn-palette__results {
    overflow-y: auto;
    max-height: 45vh;
    padding: 8px;
    flex: 1;
}

.vn-palette__results::-webkit-scrollbar {
    width: 6px;
}

.vn-palette__results::-webkit-scrollbar-track {
    background: transparent;
}

.vn-palette__results::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.vn-palette__group-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--vn-text-muted);
    padding: 8px 8px 4px;
}

/* Result Items */
.vn-result-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: var(--vn-radius-sm);
    cursor: pointer;
    transition: background var(--vn-transition);
    color: var(--vn-text-primary);
}

.vn-result-item:hover,
.vn-result-item--active {
    background: rgba(255, 255, 255, 0.06);
}

.vn-result-item__icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--vn-radius-sm);
    font-size: 22px;
}

.vn-result-item__content {
    flex: 1;
    min-width: 0;
}

.vn-result-item__label {
    font-size: 13px;
    font-weight: 500;
    color: var(--vn-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.vn-result-item__desc {
    font-size: 11px;
    color: var(--vn-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 1px;
}

.vn-result-item__shortcut {
    flex-shrink: 0;
    font-size: 11px;
    color: var(--vn-text-muted);
}

.vn-result-item__shortcut kbd {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--vn-glass-border);
    border-radius: 3px;
    padding: 1px 5px;
    font-size: 10px;
    font-family: var(--vn-font);
}

.vn-highlight {
    background: rgba(86, 156, 214, 0.25);
    color: var(--vn-primary);
    border-radius: 2px;
    padding: 0 1px;
}

/* Empty State */
.vn-empty-state {
    text-align: center;
    padding: 32px 16px;
    color: var(--vn-text-muted);
    font-size: 13px;
}

.vn-empty-state__icon {
    font-size: 32px;
    margin-bottom: 8px;
    opacity: 0.5;
}

/* Footer */
.vn-palette__footer {
    padding: 10px 16px;
    border-top: 1px solid var(--vn-glass-border);
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 11px;
    color: var(--vn-text-muted);
}

.vn-palette__footer kbd {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--vn-glass-border);
    border-radius: 3px;
    padding: 1px 5px;
    font-size: 10px;
    font-family: var(--vn-font);
}

/* ============================================================
   Custom Commands Tab
   ============================================================ */

.vn-custom-form {
    padding: 12px;
    border-bottom: 1px solid var(--vn-glass-border);
}

.vn-custom-form__row {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.vn-custom-form__input {
    flex: 1;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--vn-glass-border);
    color: var(--vn-text-primary);
    padding: 8px 10px;
    border-radius: var(--vn-radius-sm);
    font-size: 12px;
    font-family: var(--vn-font);
    outline: none;
}

.vn-custom-form__input:focus {
    border-color: var(--vn-primary);
    box-shadow: 0 0 0 2px rgba(86, 156, 214, 0.2);
}

.vn-custom-form__input::placeholder {
    color: var(--vn-text-muted);
}

.vn-custom-form__select {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--vn-glass-border);
    color: var(--vn-text-primary);
    padding: 8px 10px;
    border-radius: var(--vn-radius-sm);
    font-size: 12px;
    font-family: var(--vn-font);
    outline: none;
    cursor: pointer;
}

.vn-custom-form__select option {
    background: var(--vn-bg-secondary);
}

.vn-custom-form__btn {
    background: var(--vn-primary);
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: var(--vn-radius-sm);
    font-size: 12px;
    font-family: var(--vn-font);
    cursor: pointer;
    transition: all var(--vn-transition);
    white-space: nowrap;
}

.vn-custom-form__btn:hover {
    filter: brightness(1.15);
}

.vn-custom-form__btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.vn-custom-item__delete {
    background: none;
    border: none;
    color: var(--vn-error);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--vn-radius-sm);
    font-size: 12px;
    transition: all var(--vn-transition);
}

.vn-custom-item__delete:hover {
    background: rgba(244, 71, 71, 0.15);
}

/* ============================================================
   History Tab
   ============================================================ */

.vn-history-item__time {
    flex-shrink: 0;
    font-size: 10px;
    color: var(--vn-text-muted);
}

.vn-history-item__action {
    font-size: 11px;
    color: var(--vn-text-muted);
    margin-top: 1px;
}

/* ============================================================
   Toast Notification
   ============================================================ */

.vn-toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9700;
    pointer-events: none;
}

.vn-toast {
    background: var(--vn-glass-bg);
    border: 1px solid var(--vn-glass-border);
    border-left: 3px solid var(--vn-primary);
    border-radius: var(--vn-radius-md);
    padding: 12px 16px;
    color: var(--vn-text-primary);
    font-size: 13px;
    font-family: var(--vn-font);
    max-width: 340px;
    box-shadow: var(--vn-shadow-md);
    backdrop-filter: blur(12px);
    animation: vn-toast-in 0.3s ease-out;
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: 10px;
}

.vn-toast--hidden {
    animation: vn-toast-out 0.3s ease-in forwards;
}

.vn-toast--success { border-left-color: var(--vn-success); }
.vn-toast--error { border-left-color: var(--vn-error); }
.vn-toast--warning { border-left-color: var(--vn-warning); }
.vn-toast--info { border-left-color: var(--vn-primary); }

.vn-toast__icon {
    font-size: 16px;
    flex-shrink: 0;
}

.vn-toast--success .vn-toast__icon { color: var(--vn-success); }
.vn-toast--error .vn-toast__icon { color: var(--vn-error); }
.vn-toast--warning .vn-toast__icon { color: var(--vn-warning); }
.vn-toast--info .vn-toast__icon { color: var(--vn-primary); }

@keyframes vn-toast-in {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes vn-toast-out {
    from { opacity: 1; transform: translateX(0); }
    to { opacity: 0; transform: translateX(40px); }
}

/* ============================================================
   Tutorial Overlay
   ============================================================ */

.vn-tutorial-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(6px);
    z-index: 9600;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: vn-overlay-in 0.2s ease-out;
}

.vn-tutorial-overlay--hidden {
    display: none;
}

.vn-tutorial {
    background: var(--vn-glass-bg);
    border: 1px solid var(--vn-glass-border);
    border-radius: var(--vn-radius-lg);
    box-shadow: var(--vn-shadow-lg);
    max-width: 480px;
    width: 90%;
    padding: 32px;
    font-family: var(--vn-font);
    animation: vn-palette-in 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.vn-tutorial__progress {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
}

.vn-tutorial__progress-dot {
    flex: 1;
    height: 3px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.1);
    transition: background 0.3s ease;
}

.vn-tutorial__progress-dot--active {
    background: var(--vn-primary);
}

.vn-tutorial__progress-dot--done {
    background: var(--vn-success);
}

.vn-tutorial__step-count {
    font-size: 11px;
    color: var(--vn-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
}

.vn-tutorial__title {
    font-size: 18px;
    font-weight: 600;
    color: #fff;
    margin: 0 0 12px;
}

.vn-tutorial__body {
    font-size: 13px;
    line-height: 1.6;
    color: var(--vn-text-secondary);
    margin-bottom: 20px;
}

.vn-tutorial__practice {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--vn-glass-border);
    border-radius: var(--vn-radius-sm);
    padding: 12px 16px;
    margin-bottom: 20px;
}

.vn-tutorial__practice-label {
    font-size: 11px;
    color: var(--vn-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.vn-tutorial__practice-text {
    font-size: 14px;
    color: var(--vn-primary);
    font-style: italic;
}

.vn-tutorial__actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.vn-tutorial__btn {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--vn-glass-border);
    color: var(--vn-text-primary);
    padding: 8px 20px;
    border-radius: var(--vn-radius-sm);
    font-size: 13px;
    font-family: var(--vn-font);
    cursor: pointer;
    transition: all var(--vn-transition);
}

.vn-tutorial__btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

.vn-tutorial__btn--primary {
    background: var(--vn-primary);
    border-color: var(--vn-primary);
    color: #fff;
}

.vn-tutorial__btn--primary:hover {
    filter: brightness(1.15);
}

.vn-tutorial__btn--skip {
    background: none;
    border: none;
    color: var(--vn-text-muted);
    font-size: 12px;
    padding: 4px 8px;
}

.vn-tutorial__btn--skip:hover {
    color: var(--vn-text-primary);
}

/* ============================================================
   Mode Selector (Push-to-Talk / Continuous)
   ============================================================ */

.vn-mode-selector {
    display: flex;
    gap: 0;
    border-radius: var(--vn-radius-sm);
    overflow: hidden;
    border: 1px solid var(--vn-glass-border);
    margin-bottom: 8px;
}

.vn-mode-selector__btn {
    flex: 1;
    background: rgba(255, 255, 255, 0.04);
    border: none;
    color: var(--vn-text-muted);
    padding: 8px 12px;
    font-size: 12px;
    font-family: var(--vn-font);
    cursor: pointer;
    transition: all var(--vn-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.vn-mode-selector__btn:not(:last-child) {
    border-right: 1px solid var(--vn-glass-border);
}

.vn-mode-selector__btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--vn-text-primary);
}

.vn-mode-selector__btn--active {
    background: var(--vn-primary);
    color: #fff;
}

.vn-mode-selector__btn--active:hover {
    background: var(--vn-primary-light);
    color: #fff;
}

.vn-mode-selector__btn:focus-visible {
    outline: 2px solid var(--vn-primary);
    outline-offset: -2px;
}

/* Continuous Mode Mic Indicator */
.vn-voice-btn--continuous {
    background: var(--vn-primary);
    color: #fff;
    box-shadow: 0 0 0 3px rgba(86, 156, 214, 0.3), var(--vn-shadow-md);
}

.vn-voice-btn--continuous .vn-voice-btn__pulse {
    animation-duration: 2s;
}

/* ============================================================
   Settings Panel (in palette)
   ============================================================ */

.vn-settings {
    padding: 16px;
}

.vn-settings__group {
    margin-bottom: 16px;
}

.vn-settings__label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--vn-text-primary);
    margin-bottom: 8px;
}

.vn-settings__desc {
    font-size: 11px;
    color: var(--vn-text-muted);
    margin-bottom: 8px;
}

/* Toggle Switch */
.vn-toggle {
    position: relative;
    width: 36px;
    height: 20px;
    flex-shrink: 0;
}

.vn-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.vn-toggle__track {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--vn-radius-full);
    cursor: pointer;
    transition: background var(--vn-transition);
}

.vn-toggle input:checked + .vn-toggle__track {
    background: var(--vn-primary);
}

.vn-toggle__track::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    border-radius: var(--vn-radius-full);
    background: #fff;
    transition: transform var(--vn-transition);
}

.vn-toggle input:checked + .vn-toggle__track::after {
    transform: translateX(16px);
}

/* Slider */
.vn-slider {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
}

.vn-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: var(--vn-radius-full);
    background: var(--vn-primary);
    cursor: pointer;
    border: 2px solid var(--vn-bg-primary);
}

.vn-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: var(--vn-radius-full);
    background: var(--vn-primary);
    cursor: pointer;
    border: 2px solid var(--vn-bg-primary);
}

/* ============================================================
   Suggestions Tooltip (above FAB)
   ============================================================ */

.vn-suggestions {
    position: fixed;
    bottom: 86px;
    right: 16px;
    background: var(--vn-glass-bg);
    border: 1px solid var(--vn-glass-border);
    border-radius: var(--vn-radius-md);
    padding: 10px 14px;
    box-shadow: var(--vn-shadow-md);
    backdrop-filter: blur(12px);
    z-index: 9002;
    animation: vn-fade-in 0.3s ease-out;
    font-family: var(--vn-font);
    max-width: 280px;
}

.vn-suggestions__label {
    font-size: 10px;
    color: var(--vn-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.vn-suggestions__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.vn-suggestions__chip {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--vn-glass-border);
    color: var(--vn-text-primary);
    padding: 4px 10px;
    border-radius: var(--vn-radius-full);
    font-size: 11px;
    font-family: var(--vn-font);
    cursor: pointer;
    transition: all var(--vn-transition);
    white-space: nowrap;
}

.vn-suggestions__chip:hover {
    background: var(--vn-primary);
    color: #fff;
    border-color: var(--vn-primary);
}

/* ============================================================
   Favorite Star
   ============================================================ */

.vn-favorite-star {
    background: none;
    border: none;
    color: var(--vn-text-muted);
    cursor: pointer;
    padding: 4px 6px;
    font-size: 14px;
    transition: all var(--vn-transition);
    flex-shrink: 0;
}

.vn-favorite-star:hover {
    color: #DCDCAA;
    text-shadow: 0 0 8px rgba(220, 220, 170, 0.4);
}

.vn-favorite-star--active {
    color: #DCDCAA;
}

.vn-favorite-star--active:hover {
    color: var(--vn-text-muted);
    text-shadow: none;
}

/* ============================================================
   Last Visited Chip
   ============================================================ */

.vn-last-visited-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(86, 156, 214, 0.12);
    border: 1px solid rgba(86, 156, 214, 0.25);
    color: var(--vn-primary);
    padding: 4px 12px;
    border-radius: var(--vn-radius-full);
    font-size: 11px;
    font-family: var(--vn-font);
    cursor: pointer;
    transition: all var(--vn-transition);
    margin: 4px 8px 8px;
}

.vn-last-visited-chip:hover {
    background: rgba(86, 156, 214, 0.2);
    border-color: var(--vn-primary);
}

/* ============================================================
   Reduced Motion
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
    .vn-voice-btn,
    .vn-palette,
    .vn-toast,
    .vn-tutorial,
    .vn-result-item,
    .vn-speech-preview,
    .vn-suggestions {
        animation: none !important;
        transition: none !important;
    }

    .vn-mic-active,
    .vn-spinner-icon,
    .vn-voice-btn__pulse,
    .vn-listening-dot {
        animation: none !important;
    }
}

/* ============================================================
   Mobile Responsive
   ============================================================ */

@media (max-width: 640px) {
    .vn-palette {
        max-width: calc(100% - 24px);
        margin: 0 12px;
        max-height: 80vh;
    }

    .vn-voice-btn {
        bottom: 16px;
        right: 16px;
        width: 48px;
        height: 48px;
    }

    .vn-voice-btn__pulse {
        width: 48px;
        height: 48px;
    }

    .vn-tutorial {
        max-width: calc(100% - 24px);
        padding: 24px;
    }

    .vn-suggestions {
        bottom: 74px;
        right: 8px;
        max-width: 240px;
    }
}