/* VoiceControl - Claude-themed Professional UI */

:root {
    /* Claude Brand Colors */
    --claude-orange: #D97706;
    --claude-orange-light: #F59E0B;
    --claude-orange-dark: #B45309;

    /* Dark Theme */
    --bg-primary: #0D0D0D;
    --bg-secondary: #1A1A1A;
    --bg-tertiary: #262626;
    --bg-elevated: #2D2D2D;

    /* Text Colors */
    --text-primary: #FAFAFA;
    --text-secondary: #A3A3A3;
    --text-tertiary: #737373;
    --text-muted: #525252;

    /* Status Colors */
    --status-idle: #22C55E;
    --status-working: #3B82F6;
    --status-error: #EF4444;
    --status-unknown: #6B7280;

    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-default: rgba(255, 255, 255, 0.1);
    --border-strong: rgba(255, 255, 255, 0.2);

    /* Spacing */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 400ms ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);

    /* Safe areas for iOS */
    --safe-area-top: env(safe-area-inset-top);
    --safe-area-bottom: env(safe-area-inset-bottom);
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
    padding-top: var(--safe-area-top);
    padding-bottom: var(--safe-area-bottom);
}

/* Status Bar */
#status-bar {
    position: fixed;
    top: var(--safe-area-top);
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--space-xs) var(--space-md);
    background: linear-gradient(to bottom, var(--bg-primary), transparent);
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 12px;
    color: var(--text-tertiary);
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--status-unknown);
    transition: background-color var(--transition-fast);
}

.status-indicator.connected .status-dot {
    background-color: var(--status-idle);
}

.status-indicator.error .status-dot {
    background-color: var(--status-error);
}

/* Pulse animation for connecting state */
.status-indicator:not(.connected):not(.error) .status-dot {
    animation: pulse 1.5s ease-in-out infinite;
}

/* Views */
.view {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

.view.hidden {
    display: none;
}

/* View Header */
.view-header {
    flex-shrink: 0;
    padding: var(--space-lg) var(--space-md);
    padding-top: calc(var(--space-lg) + 24px);
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-subtle);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.claude-icon {
    width: 32px;
    height: 32px;
    color: var(--claude-orange);
}

.title-group {
    display: flex;
    flex-direction: column;
}

.logo h1 {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.logo .subtitle {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-tertiary);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

/* Dashboard Stats */
.dashboard-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-sm);
    padding: var(--space-md);
    padding-top: var(--space-sm);
}

@media (max-width: 360px) {
    .dashboard-stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

.stat-card {
    position: relative;
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: var(--space-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    transition: all var(--transition-fast);
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--text-tertiary);
    opacity: 0.3;
    transition: all var(--transition-fast);
}

.stat-card:hover {
    border-color: var(--border-default);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-card:hover::before {
    opacity: 0.6;
}

.stat-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--bg-tertiary);
    transition: all var(--transition-fast);
}

.stat-icon svg {
    width: 16px;
    height: 16px;
    color: var(--text-tertiary);
    transition: all var(--transition-fast);
}

.stat-content {
    text-align: center;
}

.stat-value {
    font-size: 20px;
    font-weight: 700;
    font-family: var(--font-mono);
    letter-spacing: -0.02em;
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-tertiary);
    margin-top: 4px;
}

/* Total sessions card */
.stat-card.total::before {
    background: var(--text-secondary);
}

.stat-card.total .stat-icon {
    background: rgba(163, 163, 163, 0.15);
}

.stat-card.total .stat-icon svg {
    color: var(--text-secondary);
}

/* Active card styling */
.stat-card.active::before {
    background: var(--status-working);
}

.stat-card.active .stat-icon {
    background: rgba(59, 130, 246, 0.15);
}

.stat-card.active .stat-icon svg {
    color: var(--status-working);
}

.stat-card.active .stat-value {
    color: var(--status-working);
}

/* Idle card styling */
.stat-card.idle::before {
    background: var(--status-idle);
}

.stat-card.idle .stat-icon {
    background: rgba(34, 197, 94, 0.15);
}

.stat-card.idle .stat-icon svg {
    color: var(--status-idle);
}

.stat-card.idle .stat-value {
    color: var(--status-idle);
}

/* Tokens card styling */
.stat-card.tokens::before {
    background: var(--claude-orange);
}

.stat-card.tokens .stat-icon {
    background: rgba(217, 119, 6, 0.15);
}

.stat-card.tokens .stat-icon svg {
    color: var(--claude-orange);
}

.stat-card.tokens .stat-value {
    color: var(--claude-orange);
}

/* Cost card styling */
.stat-card.cost::before {
    background: #A855F7;
}

.stat-card.cost .stat-icon {
    background: rgba(168, 85, 247, 0.15);
}

.stat-card.cost .stat-icon svg {
    color: #A855F7;
}

.stat-card.cost .stat-value {
    color: #A855F7;
}

/* Messages card styling */
.stat-card.messages::before {
    background: #06B6D4;
}

.stat-card.messages .stat-icon {
    background: rgba(6, 182, 212, 0.15);
}

.stat-card.messages .stat-icon svg {
    color: #06B6D4;
}

.stat-card.messages .stat-value {
    color: #06B6D4;
}

/* Loading shimmer animation for stat values */
.stat-value.loading {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-elevated) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
    min-width: 32px;
    min-height: 24px;
}

.icon-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: none;
    border-radius: 10px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.icon-btn:hover {
    background: var(--bg-elevated);
    color: var(--text-primary);
}

.icon-btn:active {
    transform: scale(0.95);
}

.icon-btn svg {
    width: 20px;
    height: 20px;
}

/* Sessions Container */
#sessions-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
    -webkit-overflow-scrolling: touch;
}

.sessions-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 200px;
    gap: var(--space-md);
    color: var(--text-tertiary);
}

.spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border-default);
    border-top-color: var(--claude-orange);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Session Cards */
.session-card {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-bottom: var(--space-sm);
}

.session-card:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-default);
}

.session-card:active {
    transform: scale(0.98);
}

.session-status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.session-status-dot.idle { background-color: var(--status-idle); }
.session-status-dot.working {
    background-color: var(--status-working);
    animation: pulse 2s ease-in-out infinite;
}
.session-status-dot.error { background-color: var(--status-error); }
.session-status-dot.unknown { background-color: var(--status-unknown); }

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

.session-info {
    flex: 1;
    min-width: 0;
}

.session-name {
    font-weight: 500;
    font-size: 15px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.session-meta {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-xs);
    font-size: 12px;
    color: var(--text-tertiary);
    flex-wrap: wrap;
}

.session-status-text {
    text-transform: capitalize;
}

.session-runtime {
    font-family: var(--font-mono);
    font-size: 11px;
}

.session-stats {
    display: flex;
    gap: var(--space-md);
    margin-top: var(--space-sm);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border-subtle);
}

.session-stat {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: var(--text-tertiary);
}

.session-stat svg {
    width: 12px;
    height: 12px;
    opacity: 0.6;
}

.session-stat-value {
    font-family: var(--font-mono);
    font-weight: 500;
    color: var(--text-secondary);
}

.session-summary {
    margin-top: var(--space-xs);
    font-size: 13px;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.session-chevron {
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.session-chevron svg {
    width: 20px;
    height: 20px;
}

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 200px;
    text-align: center;
    color: var(--text-tertiary);
}

.empty-state svg {
    width: 48px;
    height: 48px;
    margin-bottom: var(--space-md);
    opacity: 0.5;
}

/* View Footer */
.view-footer {
    flex-shrink: 0;
    padding: var(--space-md);
    text-align: center;
}

.footer-text {
    font-size: 12px;
    color: var(--text-muted);
}

/* New Session Bar */
.new-session-bar {
    padding: var(--space-md);
    padding-top: 0;
}

.new-session-btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--bg-secondary);
    border: 2px dashed var(--border-default);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.new-session-btn svg {
    width: 20px;
    height: 20px;
}

.new-session-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--claude-orange);
    color: var(--claude-orange);
}

.new-session-btn.highlighted {
    background: rgba(217, 119, 6, 0.1);
    border-color: var(--claude-orange);
    border-style: solid;
    color: var(--claude-orange);
}

.new-session-btn.highlighted:hover {
    background: rgba(217, 119, 6, 0.2);
}

.new-session-btn:active {
    transform: scale(0.98);
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
}

.modal.hidden {
    display: none;
}

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    width: 100%;
    max-width: 400px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    animation: modalSlideIn 0.2s ease-out;
}

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

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

.modal-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    border-radius: 8px;
    transition: all var(--transition-fast);
}

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

.modal-close svg {
    width: 18px;
    height: 18px;
}

.modal-body {
    padding: var(--space-lg);
}

.modal-footer {
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--border-subtle);
}

.modal-footer .btn {
    flex: 1;
}

/* Form Elements */
.form-group {
    margin-bottom: var(--space-md);
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 15px;
    font-family: var(--font-sans);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--claude-orange);
    box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.2);
}

.form-group input::placeholder {
    color: var(--text-tertiary);
}

.form-hint {
    display: block;
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: var(--space-xs);
}

/* Buttons */
.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--claude-orange);
    color: white;
}

.btn-primary:hover {
    background: var(--claude-orange-light);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

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

.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Voice View */
.back-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    background: none;
    border: none;
    color: var(--claude-orange);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    padding: 0;
}

.back-btn svg {
    width: 20px;
    height: 20px;
}

.session-header-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.session-header-info .session-name {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text-primary);
}

.session-status-badge {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.session-status-badge.idle { background: rgba(34, 197, 94, 0.2); color: var(--status-idle); }
.session-status-badge.working { background: rgba(59, 130, 246, 0.2); color: var(--status-working); }
.session-status-badge.error { background: rgba(239, 68, 68, 0.2); color: var(--status-error); }

/* Voice Main */
.voice-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.transcript-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
}

#transcript-area {
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

.transcript-placeholder {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    text-align: center;
    gap: var(--space-md);
}

.transcript-placeholder .mic-icon {
    width: 48px;
    height: 48px;
    opacity: 0.4;
}

.transcript-content,
.response-content {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: var(--space-md);
    margin-bottom: var(--space-md);
}

.transcript-content.hidden,
.response-content.hidden {
    display: none;
}

.transcript-label,
.response-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
}

.response-label {
    color: var(--claude-orange);
}

.transcript-text,
.response-text {
    font-size: 15px;
    line-height: 1.6;
}

/* Draft Area */
.draft-container {
    position: relative;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-default);
    padding: var(--space-md);
    transition: opacity var(--transition-fast);
}

.draft-container.hidden {
    display: none;
}

.draft-container.loading {
    opacity: 0.6;
    pointer-events: none;
}

.draft-container.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 24px;
    height: 24px;
    margin: -12px 0 0 -12px;
    border: 2px solid var(--claude-orange);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.draft-header {
    margin-bottom: var(--space-sm);
}

.draft-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--claude-orange);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.draft-content {
    font-family: var(--font-mono);
    font-size: 14px;
    color: var(--text-primary);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border-radius: 8px;
    margin-bottom: var(--space-md);
}

.draft-actions {
    display: flex;
    gap: var(--space-sm);
}

.draft-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.draft-btn svg {
    width: 16px;
    height: 16px;
}

.draft-btn.confirm {
    background: var(--claude-orange);
    color: white;
}

.draft-btn.confirm:hover {
    background: var(--claude-orange-light);
}

.draft-btn.edit {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.draft-btn.edit:hover {
    background: var(--bg-elevated);
}

.draft-btn.cancel {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.draft-btn.cancel:hover {
    background: var(--bg-elevated);
    color: var(--status-error);
}

/* Prompt Area */
.prompt-container {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-md);
    -webkit-overflow-scrolling: touch;
}

#prompt-area {
    min-height: 120px;
    display: flex;
    flex-direction: column;
}

.prompt-placeholder {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    text-align: center;
    gap: var(--space-md);
    padding: var(--space-xl);
}

.prompt-placeholder .mic-icon {
    width: 48px;
    height: 48px;
    opacity: 0.4;
}

.prompt-placeholder p {
    font-size: 14px;
}

.prompt-content {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: var(--space-md);
    max-height: 30vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.prompt-content.hidden {
    display: none;
}

.prompt-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
    position: sticky;
    top: 0;
    background: var(--bg-secondary);
    padding-bottom: var(--space-xs);
}

.prompt-text {
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-break: break-word;
}

/* Response Area */
.response-container {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: var(--space-md);
    margin: var(--space-md);
    margin-top: 0;
    max-height: 40vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.response-container.hidden {
    display: none;
}

.response-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--claude-orange);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-xs);
    position: sticky;
    top: 0;
    background: var(--bg-secondary);
    padding-bottom: var(--space-xs);
}

.response-text {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-break: break-word;
}

/* Action Bar */
.action-bar {
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-md);
    padding-top: 0;
    justify-content: center;
}

.action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
    min-width: 80px;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
}

.action-btn svg {
    width: 24px;
    height: 24px;
}

.action-btn:hover:not(:disabled) {
    background: var(--bg-tertiary);
    border-color: var(--border-default);
    color: var(--text-primary);
}

.action-btn:active:not(:disabled) {
    transform: scale(0.95);
}

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

/* Status button */
.action-btn.status-btn {
    color: var(--status-working);
}

.action-btn.status-btn:hover:not(:disabled) {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--status-working);
}

/* Send button */
.action-btn.send-btn {
    color: var(--claude-orange);
}

.action-btn.send-btn:hover:not(:disabled) {
    background: rgba(217, 119, 6, 0.1);
    border-color: var(--claude-orange);
}

.action-btn.send-btn:not(:disabled) {
    background: var(--claude-orange);
    border-color: var(--claude-orange);
    color: white;
}

.action-btn.send-btn:not(:disabled):hover {
    background: var(--claude-orange-light);
}

/* Cancel/Clear button */
.action-btn.cancel-btn:hover:not(:disabled) {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--status-error);
    color: var(--status-error);
}

/* Replay button */
.action-btn.replay-btn {
    color: var(--status-idle);
}

.action-btn.replay-btn:hover:not(:disabled) {
    background: rgba(34, 197, 94, 0.1);
    border-color: var(--status-idle);
}

.action-btn.replay-btn:not(:disabled) {
    background: rgba(34, 197, 94, 0.15);
    border-color: var(--status-idle);
}

.action-btn.replay-btn.playing {
    animation: pulse 0.5s ease-in-out infinite;
}

/* Loading state for action buttons */
.action-btn.loading {
    position: relative;
    pointer-events: none;
}

.action-btn.loading svg {
    opacity: 0;
}

.action-btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid currentColor;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Push-to-Talk Button */
.ptt-container {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-lg);
    padding-bottom: calc(var(--space-lg) + var(--safe-area-bottom));
}

.ptt-btn {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-default);
    cursor: pointer;
    transition: all var(--transition-fast);
    -webkit-tap-highlight-color: transparent;
    touch-action: none;
}

.ptt-btn:hover {
    border-color: var(--claude-orange);
}

.ptt-ring {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid transparent;
    transition: all var(--transition-fast);
}

.ptt-inner {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ptt-mic {
    width: 32px;
    height: 32px;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.ptt-btn.recording {
    background: var(--claude-orange);
    border-color: var(--claude-orange);
    transform: scale(1.1);
}

.ptt-btn.recording .ptt-ring {
    border-color: var(--claude-orange);
    animation: ripple 1.5s ease-out infinite;
}

.ptt-btn.recording .ptt-mic {
    color: white;
}

@keyframes ripple {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

.ptt-btn.processing {
    background: var(--bg-elevated);
}

.ptt-btn.processing .ptt-mic {
    animation: pulse 1s ease-in-out infinite;
}

.ptt-label {
    margin-top: var(--space-sm);
    font-size: 13px;
    color: var(--text-tertiary);
}

/* Browser Warning Banner */
.browser-warning {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--status-error);
    color: white;
    padding: var(--space-sm) var(--space-md);
    font-size: 13px;
}

.browser-warning.hidden {
    display: none;
}

.browser-warning svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: calc(var(--space-lg) + var(--safe-area-bottom));
    left: var(--space-md);
    right: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    transform: translateY(100%);
    opacity: 0;
    transition: all var(--transition-normal);
    z-index: 1000;
}

.toast.visible {
    transform: translateY(0);
    opacity: 1;
}

.toast.hidden {
    display: none;
}

.toast-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: rgba(34, 197, 94, 0.2);
}

.toast-icon::before {
    content: '✓';
    color: var(--status-idle);
    font-size: 20px;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 500;
    color: var(--text-primary);
}

.toast-message {
    font-size: 13px;
    color: var(--text-secondary);
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-default);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-strong);
}

/* Responsive */
@media (min-width: 768px) {
    #app {
        max-width: 480px;
        margin: 0 auto;
        border-left: 1px solid var(--border-subtle);
        border-right: 1px solid var(--border-subtle);
    }
}