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

:root {
    --bg-deep: #0a0e27;
    --bg-mid: #111638;
    --bg-surface: #1a1f3a;
    --bg-elevated: #222850;
    --cyan: #00f7ff;
    --cyan-dim: rgba(0, 247, 255, 0.15);
    --cyan-glow: rgba(0, 247, 255, 0.4);
    --text-primary: #e8eaf6;
    --text-secondary: #8892b0;
    --text-dim: #5a6380;
    --user-bubble: #1e3a5f;
    --bot-bubble: #1a1f3a;
    --danger: #ff4757;
    --success: #00e676;
    --warning: #ffc107;
    --radius: 12px;
    --radius-sm: 8px;
    --font: 'SF Pro Text', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
}

html, body {
    height: 100%;
    font-family: var(--font);
    background: linear-gradient(160deg, var(--bg-deep) 0%, var(--bg-mid) 50%, var(--bg-deep) 100%);
    color: var(--text-primary);
    overflow: hidden;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
}

.hidden { display: none !important; }

/* ── App Layout ───────────────────────────────────────────────────────── */
#app {
    display: flex;
    flex-direction: column;
    height: 100vh;
    height: 100dvh;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
}

/* ── Header ───────────────────────────────────────────────────────────── */
header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    flex-shrink: 0;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

header h1 {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--text-primary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-dim);
    flex-shrink: 0;
}

.status-dot.connecting {
    background: var(--warning);
    animation: blink 1s infinite;
}

.status-dot.connected {
    background: var(--success);
    box-shadow: 0 0 6px var(--success);
}

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

.status-text {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.icon-btn {
    background: none;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.icon-btn:hover {
    color: var(--cyan);
    border-color: var(--cyan-dim);
    background: rgba(0, 247, 255, 0.05);
}

/* ── Transcript ───────────────────────────────────────────────────────── */
.transcript {
    flex: 1;
    overflow-y: auto;
    padding: 0 20px;
    mask-image: linear-gradient(to bottom, transparent 0%, black 5%, black 95%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 5%, black 95%, transparent 100%);
}

.transcript-messages {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 20px 0;
    min-height: 100%;
    justify-content: flex-end;
}

.message {
    max-width: 85%;
    padding: 10px 16px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.5;
    animation: messageIn 0.3s ease-out;
    word-wrap: break-word;
}

.message.user {
    align-self: flex-end;
    background: var(--user-bubble);
    border-bottom-right-radius: 4px;
    color: var(--text-primary);
}

.message.bot {
    align-self: flex-start;
    background: var(--bot-bubble);
    border: 1px solid rgba(255,255,255,0.06);
    border-bottom-left-radius: 4px;
    color: var(--text-primary);
}

.message.bot .bot-label {
    font-size: 11px;
    color: var(--cyan);
    margin-bottom: 4px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.message.system {
    align-self: center;
    font-size: 12px;
    color: var(--text-dim);
    background: none;
    padding: 4px 0;
}

.message.partial {
    opacity: 0.6;
}

@keyframes messageIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Waveform ─────────────────────────────────────────────────────────── */
.waveform-container {
    padding: 8px 20px;
    flex-shrink: 0;
}

#waveform {
    width: 100%;
    height: 50px;
    border-radius: var(--radius-sm);
    opacity: 0.5;
    transition: opacity 0.3s;
}

#waveform.active {
    opacity: 1;
}

/* ── Mic Button ───────────────────────────────────────────────────────── */
.mic-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 16px 20px 12px;
    flex-shrink: 0;
}

.mic-button {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(0, 247, 255, 0.06);
    border: 2px solid rgba(0, 247, 255, 0.25);
    color: var(--cyan);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    position: relative;
    -webkit-tap-highlight-color: transparent;
}

.mic-button:hover {
    background: rgba(0, 247, 255, 0.12);
    border-color: rgba(0, 247, 255, 0.4);
}

.mic-button:active {
    transform: scale(0.95);
}

.mic-button.active {
    background: rgba(0, 247, 255, 0.2);
    border-color: var(--cyan);
    box-shadow:
        0 0 20px rgba(0, 247, 255, 0.3),
        0 0 50px rgba(0, 247, 255, 0.15),
        inset 0 0 15px rgba(0, 247, 255, 0.1);
    animation: micPulse 2s ease-in-out infinite;
}

.mic-button.listening {
    animation: micPulse 1s ease-in-out infinite;
    box-shadow:
        0 0 30px rgba(0, 247, 255, 0.5),
        0 0 60px rgba(0, 247, 255, 0.2),
        inset 0 0 20px rgba(0, 247, 255, 0.15);
}

.mic-button.disconnected {
    border-color: rgba(255,255,255,0.1);
    color: var(--text-dim);
    background: rgba(255,255,255,0.03);
}

@keyframes micPulse {
    0%, 100% {
        box-shadow:
            0 0 20px rgba(0, 247, 255, 0.3),
            0 0 50px rgba(0, 247, 255, 0.15);
    }
    50% {
        box-shadow:
            0 0 35px rgba(0, 247, 255, 0.5),
            0 0 70px rgba(0, 247, 255, 0.25);
    }
}

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

.mic-label {
    font-size: 12px;
    color: var(--text-dim);
    letter-spacing: 0.5px;
}

/* ── Footer ───────────────────────────────────────────────────────────── */
footer {
    display: flex;
    justify-content: center;
    gap: 24px;
    padding: 12px 20px;
    padding-bottom: max(20px, env(safe-area-inset-bottom, 20px));
    flex-shrink: 0;
    background: var(--bg-deep);
    border-top: 1px solid rgba(255,255,255,0.04);
    position: relative;
    z-index: 10;
}

.footer-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.footer-label {
    font-size: 10px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-value {
    font-size: 12px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

/* ── Settings Panel ───────────────────────────────────────────────────── */
.settings-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 100;
    opacity: 0;
    transition: opacity 0.3s;
}

.settings-overlay:not(.hidden) {
    opacity: 1;
}

.settings-panel {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100%;
    background: var(--bg-surface);
    border-left: 1px solid rgba(255,255,255,0.08);
    z-index: 101;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
}

.settings-panel.open {
    right: 0;
}

.settings-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.settings-header h2 {
    font-size: 16px;
    font-weight: 600;
}

.settings-body {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.setting-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.setting-group label {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.setting-group input,
.setting-group select {
    background: var(--bg-elevated);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    color: var(--text-primary);
    font-size: 13px;
    font-family: var(--font-mono);
    outline: none;
    transition: border-color 0.2s;
}

.setting-group input:focus,
.setting-group select:focus {
    border-color: var(--cyan);
}

.setting-group select {
    cursor: pointer;
}

.setting-group select option {
    background: var(--bg-surface);
    color: var(--text-primary);
}

.setting-hint {
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-top: 2px;
    text-transform: none;
    letter-spacing: 0;
}

.setting-value {
    color: var(--cyan);
    font-family: var(--font-mono);
    font-weight: 500;
    margin-left: 6px;
}

.settings-section-title {
    font-size: 13px;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 24px 0 8px;
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    font-weight: 600;
}

.settings-section-hint {
    font-size: 10px;
    color: var(--text-secondary);
    text-transform: none;
    letter-spacing: 0;
    font-weight: 400;
}

.reset-btn {
    background: var(--bg-elevated);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    padding: 8px 12px;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.2s;
}

.reset-btn:hover {
    background: rgba(255,255,255,0.05);
}

/* ── Header Actions ───────────────────────────────────────────────────── */
.header-actions {
    display: flex;
    gap: 6px;
}

/* ── Keyboard Shortcuts Overlay ──────────────────────────────────────── */
.shortcuts-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.shortcuts-panel {
    background: var(--bg-surface);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    width: 320px;
    max-width: 90vw;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.shortcuts-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.shortcuts-header h2 {
    font-size: 15px;
    font-weight: 600;
}

.shortcuts-body {
    padding: 12px 20px 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

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

.shortcut-row kbd {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    padding: 4px 10px;
    background: var(--bg-elevated);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 6px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--cyan);
    box-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

.shortcut-row span {
    font-size: 13px;
    color: var(--text-secondary);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ── Scrollbar ────────────────────────────────────────────────────────── */
::-webkit-scrollbar {
    width: 4px;
}

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

::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.2);
}

/* ── Mobile ───────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
    header { padding: 12px 16px; }
    .transcript { padding: 0 16px; }
    .waveform-container { padding: 6px 16px; }
    .mic-area { padding: 12px 16px 8px; }
    footer {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        padding: 10px 16px;
        padding-bottom: max(16px, env(safe-area-inset-bottom, 16px));
        gap: 12px;
        background: var(--bg-deep);
        border-top: 1px solid rgba(255,255,255,0.06);
    }
    /* Offset content so it doesn't hide behind fixed footer */
    .mic-area { padding-bottom: 60px; }

    .mic-button {
        width: 68px;
        height: 68px;
    }

    .settings-panel {
        width: 100%;
        right: -100%;
    }
}

/* ── Safe area (notch phones) ─────────────────────────────────────────── */
@supports (padding-top: env(safe-area-inset-top)) {
    header { padding-top: max(16px, env(safe-area-inset-top)); }
}


/* ── Half-Duplex Toggle ──────────────────────────────────────────── */
.setting-toggle .toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 6px;
}
.toggle-desc {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.5);
}
.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
    margin-left: 12px;
}
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: rgba(255,255,255,0.15);
    border-radius: 24px;
    transition: background 0.2s;
}
.switch .slider::before {
    content: "";
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: transform 0.2s;
}
.switch input:checked + .slider {
    background: #5dcaa5;
}
.switch input:checked + .slider::before {
    transform: translateX(20px);
}

/* ── Half-Duplex Indicator ───────────────────────────────────────── */
.halfduplex-indicator {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    color: #ef9f27;
    margin-top: 4px;
    animation: pulse-indicator 1.5s ease-in-out infinite;
}
.halfduplex-indicator.hidden { display: none; }
@keyframes pulse-indicator {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ── Bridge Button ───────────────────────────────────────────── */
#bridge-btn.active {
    color: #5dcaa5;
    background: rgba(93, 202, 165, 0.15);
    border-color: rgba(93, 202, 165, 0.3);
}
#bridge-btn.active svg { stroke: #5dcaa5; }

.bridge-status {
    position: fixed;
    top: 60px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(93, 202, 165, 0.15);
    border: 1px solid rgba(93, 202, 165, 0.3);
    color: #5dcaa5;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    z-index: 100;
    display: none;
    backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease;
}
.bridge-status.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateX(-50%) translateY(-5px); } to { opacity: 1; transform: translateX(-50%); } }

/* ── Bottom Sheet (Model & Voice Picker) ─────────────────────── */
.footer-item.tappable {
    cursor: pointer;
    padding: 4px 10px;
    border-radius: 8px;
    transition: background 0.15s;
}
.footer-item.tappable:hover { background: rgba(255,255,255,0.06); }
.footer-item.tappable:active { background: rgba(255,255,255,0.1); }
.footer-item.tappable .footer-value {
    border-bottom: 1px dashed rgba(255,255,255,0.2);
}

.bottom-sheet {
    position: fixed;
    inset: 0;
    z-index: 200;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
}
.bottom-sheet.open { pointer-events: auto; opacity: 1; }

.sheet-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
}

.sheet-panel {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    max-height: 65vh;
    background: var(--bg-secondary, #151929);
    border-radius: 16px 16px 0 0;
    padding: 8px 0 24px;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}
.bottom-sheet.open .sheet-panel { transform: translateY(0); }

.sheet-handle {
    width: 36px;
    height: 4px;
    border-radius: 2px;
    background: rgba(255,255,255,0.2);
    margin: 4px auto 12px;
}

.sheet-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary, #8892b0);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 0 20px 12px;
    margin: 0;
}

.sheet-list { padding: 0 8px; }

.sheet-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: 12px;
    cursor: pointer;
    transition: background 0.12s;
    color: var(--text-primary, #ccd6f6);
}
.sheet-item:hover { background: rgba(255,255,255,0.04); }
.sheet-item:active { background: rgba(255,255,255,0.08); }

.sheet-item.selected {
    background: rgba(93, 202, 165, 0.1);
    color: #5dcaa5;
}

.sheet-item .item-radio {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.2);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color 0.15s;
}
.sheet-item.selected .item-radio {
    border-color: #5dcaa5;
}
.sheet-item.selected .item-radio::after {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #5dcaa5;
}

.sheet-item .item-info {
    flex: 1;
    min-width: 0;
}
.sheet-item .item-name {
    font-size: 15px;
    font-weight: 500;
}
.sheet-item .item-desc {
    font-size: 12px;
    color: var(--text-dim, #5a6380);
    margin-top: 2px;
}
.sheet-item .item-badge {
    font-size: 10px;
    padding: 2px 8px;
    border-radius: 6px;
    background: rgba(255,255,255,0.06);
    color: var(--text-dim, #5a6380);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    flex-shrink: 0;
}

/* ── Category headers in sheets ──────────────────────────────────────── */
.sheet-category {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-dim, #5a6380);
    padding: 16px 16px 6px;
    margin-top: 4px;
}
.sheet-category:first-child { margin-top: 0; }

/* ── Voice preview button ────────────────────────────────────────────── */
.preview-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.06);
    color: var(--text-dim, #5a6380);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.15s;
}
.preview-btn:hover {
    background: rgba(93, 202, 165, 0.15);
    color: #5dcaa5;
}
.preview-btn:active {
    transform: scale(0.9);
}
.preview-btn.playing {
    background: rgba(93, 202, 165, 0.2);
    color: #5dcaa5;
    animation: pulse-preview 1s infinite;
}
@keyframes pulse-preview {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ── Search input in sheets ──────────────────────────────────────────── */
.sheet-search {
    width: calc(100% - 40px);
    margin: 0 20px 12px;
    padding: 10px 14px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 10px;
    color: var(--text-primary, #ccd6f6);
    font-size: 14px;
    outline: none;
    transition: border-color 0.15s;
}
.sheet-search:focus {
    border-color: rgba(93, 202, 165, 0.4);
}
.sheet-search::placeholder {
    color: var(--text-dim, #5a6380);
}

/* ── Provider badge (improved) ───────────────────────────────────────── */
.sheet-item .item-badge {
    font-size: 10px;
    padding: 3px 8px;
    border-radius: 6px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    text-transform: none;
    letter-spacing: 0.3px;
    flex-shrink: 0;
    white-space: nowrap;
}

/* Speed slider */
.speed-row {
    display: flex;
    align-items: center;
    gap: 12px;
}
.speed-row input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    background: rgba(255,255,255,0.15);
    border-radius: 2px;
    outline: none;
}
.speed-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #5dcaa5;
    cursor: pointer;
}
.speed-value {
    font-size: 14px;
    font-weight: 600;
    color: #5dcaa5;
    min-width: 36px;
    text-align: right;
}

/* ── Speed Indicator (during bot speech) ───────────────────────────── */
.speed-indicator {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #5dcaa5;
    background: rgba(93, 202, 165, 0.12);
    padding: 2px 8px;
    border-radius: 10px;
    margin-top: 4px;
    animation: fadeIn 0.2s ease;
}
.speed-indicator.hidden { display: none; }

/* ── Toast notification ────────────────────────────────────────────── */
.toast {
    position: fixed;
    top: 60px;
    left: 50%;
    transform: translateX(-50%) translateY(-12px);
    background: rgba(26, 31, 58, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(93, 202, 165, 0.25);
    color: #5dcaa5;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    z-index: 300;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s, transform 0.25s;
    white-space: nowrap;
}
.toast.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ── Disconnect button (red when visible) ──────────────────────────── */
#disconnect-btn {
    color: var(--danger);
    border-color: rgba(255, 71, 87, 0.15);
}
#disconnect-btn:hover {
    color: #ff6b7a;
    border-color: rgba(255, 71, 87, 0.3);
    background: rgba(255, 71, 87, 0.08);
}

/* ── Mic button reconnecting spinner ───────────────────────────────── */
.mic-button.reconnecting {
    border-color: var(--warning);
    color: var(--warning);
    background: rgba(255, 193, 7, 0.08);
    pointer-events: none;
}
.mic-button.reconnecting::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: var(--warning);
    animation: micSpin 0.8s linear infinite;
}
@keyframes micSpin {
    to { transform: rotate(360deg); }
}

/* ── Reconnect button (green pulse) ────────────────────────────────── */
#reconnect-btn {
    color: var(--success);
    border-color: rgba(0, 230, 118, 0.15);
    animation: reconnectPulse 1.5s ease-in-out infinite;
}
#reconnect-btn:hover {
    color: #33ff99;
    border-color: rgba(0, 230, 118, 0.3);
    background: rgba(0, 230, 118, 0.08);
}
@keyframes reconnectPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* System prompt + language */
#system-prompt {
    width: 100%; min-height: 100px; background: #1a1e2e;
    border: 1px solid #2a3050; border-radius: 8px; color: #e0e6f0;
    padding: 10px 12px; font-family: inherit; font-size: 14px;
    line-height: 1.5; resize: vertical; transition: border-color 0.2s;
}
#system-prompt:focus { outline: none; border-color: #5dcaa5; }
#system-prompt::placeholder { color: #5a6380; }
#language-select {
    width: 100%; background: #1a1e2e; border: 1px solid #2a3050;
    border-radius: 8px; color: #e0e6f0; padding: 8px 12px; font-size: 14px;
}
#language-select:focus { outline: none; border-color: #5dcaa5; }

/* ── Persona system v2 — avatar cards ─────────────────────────────────── */
.persona-footer { display: flex; align-items: center; gap: 6px; }
.persona-icon { font-size: 20px; line-height: 1; display: flex; align-items: center; }
.footer-avatar { width: 24px; height: 24px; border-radius: 50%; object-fit: cover; }
.sheet-title-row { display: flex; align-items: center; justify-content: space-between; padding: 0 16px; }
.sheet-title-row .sheet-title { padding: 0; }
.create-btn {
    background: rgba(93, 202, 165, 0.15); color: #5dcaa5; border: 1px solid #5dcaa540;
    border-radius: 8px; padding: 6px 14px; font-size: 13px; font-weight: 600;
    cursor: pointer; transition: all 0.15s;
}
.create-btn:hover { background: rgba(93, 202, 165, 0.25); }

/* Persona cards */
.persona-card {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 16px; cursor: pointer; border-radius: 12px;
    transition: background 0.15s; position: relative;
}
.persona-card:hover { background: rgba(93, 202, 165, 0.08); }
.persona-card.selected { background: rgba(93, 202, 165, 0.12); border: 1px solid #5dcaa540; }
.persona-card-avatar {
    width: 52px; height: 52px; border-radius: 14px; overflow: hidden;
    flex-shrink: 0; display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.06);
}
.persona-avatar { width: 100%; height: 100%; object-fit: cover; }
.persona-avatar-icon { font-size: 28px; }
.persona-card-info { flex: 1; min-width: 0; }
.persona-card-name { font-weight: 600; font-size: 15px; color: #e0e6f0; }
.persona-card-desc { font-size: 12px; color: #8892b0; margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.persona-delete {
    position: absolute; top: 8px; right: 8px;
    background: rgba(255,100,100,0.15); color: #ff6b6b; border: none;
    width: 24px; height: 24px; border-radius: 50%; font-size: 16px;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: opacity 0.15s;
}
.persona-card:hover .persona-delete { opacity: 1; }

/* Create persona form */
.create-persona-panel { max-height: 85vh; }
.create-form { padding: 0 16px 16px; display: flex; flex-direction: column; gap: 14px; }
.form-group label { display: block; font-size: 13px; color: #8892b0; margin-bottom: 6px; font-weight: 500; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; background: #1a1e2e; border: 1px solid #2a3050; border-radius: 8px;
    color: #e0e6f0; padding: 8px 12px; font-size: 14px; font-family: inherit;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: #5dcaa5;
}
.form-group textarea { resize: vertical; min-height: 80px; line-height: 1.4; }

/* Character grid */
.character-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 8px; max-height: 200px; overflow-y: auto;
}
.char-option {
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    padding: 8px 4px; border-radius: 10px; cursor: pointer;
    border: 2px solid transparent; transition: all 0.15s;
}
.char-option:hover { background: rgba(93, 202, 165, 0.08); }
.char-option.selected { border-color: #5dcaa5; background: rgba(93, 202, 165, 0.12); }
.char-thumb { width: 56px; height: 56px; border-radius: 12px; object-fit: cover; }
.char-thumb-icon { width: 56px; height: 56px; border-radius: 12px; background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center; font-size: 24px; }
.char-name { font-size: 11px; color: #8892b0; text-align: center; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 76px; }

/* Tools checkboxes */
.tools-checkboxes { display: flex; flex-wrap: wrap; gap: 8px 14px; }
.tools-checkboxes label { display: flex; align-items: center; gap: 4px; font-size: 13px; color: #ccd6e6; cursor: pointer; }
.tools-checkboxes input[type="checkbox"] { accent-color: #5dcaa5; }

/* Save button */
.save-btn {
    background: #5dcaa5; color: #0a0e1a; border: none; border-radius: 10px;
    padding: 12px; font-size: 15px; font-weight: 600; cursor: pointer;
    transition: background 0.15s;
}
.save-btn:hover { background: #4ab892; }


/* Character Grid */
.char-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    gap: 10px;
    padding: 8px 0 16px;
}
.char-card {
    display: flex; flex-direction: column; align-items: center;
    padding: 10px 6px; border-radius: 12px;
    background: rgba(255,255,255,0.05);
    border: 2px solid transparent;
    cursor: pointer; transition: all 0.2s; position: relative;
}
.char-card:hover { background: rgba(255,255,255,0.1); }
.char-card.selected { border-color: #5dcaa5; background: rgba(93,202,165,0.1); }
.char-avatar {
    width: 56px; height: 56px; border-radius: 50%;
    overflow: hidden; margin-bottom: 6px; position: relative;
}
.char-avatar img { width: 100%; height: 100%; object-fit: cover; }
.char-emoji {
    display: flex; align-items: center; justify-content: center;
    width: 100%; height: 100%; font-size: 28px; background: rgba(255,255,255,0.08);
}
.char-play-btn {
    position: absolute; bottom: -2px; right: -2px;
    width: 22px; height: 22px; border-radius: 50%;
    background: #5dcaa5; color: #000; border: none; font-size: 10px;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    opacity: 0.8; transition: opacity 0.2s, transform 0.2s;
}
.char-play-btn:hover { opacity: 1; transform: scale(1.15); }
.char-play-btn.playing { background: #ef9f27; animation: pulse-play 0.8s infinite; }
@keyframes pulse-play { 0%,100% { transform: scale(1); } 50% { transform: scale(1.2); } }
.char-name {
    font-size: 11px; font-weight: 600; text-align: center; color: #eee;
    line-height: 1.2; max-width: 80px; overflow: hidden;
    text-overflow: ellipsis; white-space: nowrap;
}
.char-lang { font-size: 9px; color: #888; text-transform: uppercase; }

/* Form fields */
.field-label {
    display: block; font-size: 12px; font-weight: 600; color: #aaa;
    margin: 12px 0 4px; text-transform: uppercase; letter-spacing: 0.5px;
}
.field-input {
    width: 100%; padding: 10px 12px;
    background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.15);
    border-radius: 8px; color: #eee; font-size: 14px; outline: none;
    transition: border-color 0.2s; box-sizing: border-box;
}
.field-input:focus { border-color: #5dcaa5; }
textarea.field-input { resize: vertical; font-family: inherit; }

/* Persona edit button */
.persona-edit-btn {
    position: absolute; top: 8px; right: 8px;
    width: 28px; height: 28px; border-radius: 50%;
    background: rgba(255,255,255,0.1); color: #aaa; border: none;
    font-size: 14px; cursor: pointer; display: flex;
    align-items: center; justify-content: center;
    opacity: 0; transition: opacity 0.2s;
}
.persona-card:hover .persona-edit-btn { opacity: 1; }
.persona-edit-btn:hover { background: rgba(255,255,255,0.2); color: #fff; }

/* Sheet item variants for new code */
.sheet-item-info { flex: 1; min-width: 0; }
.sheet-item-name { font-size: 15px; font-weight: 500; }
.sheet-item-desc { font-size: 12px; color: var(--text-dim, #5a6380); margin-top: 2px; }
.sheet-item-avatar { flex-shrink: 0; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; }
.sheet-item-edit {
    background: none; border: none; color: #8892b0; font-size: 16px;
    cursor: pointer; padding: 4px 8px; margin-left: auto; flex-shrink: 0;
    opacity: 0; transition: opacity 0.15s;
}
.sheet-item:hover .sheet-item-edit { opacity: 1; }
.sheet-item-edit:hover { color: #5dcaa5; }

/* Persona item in sheet */
.persona-item { gap: 12px; }

/* Sheet title row (persona sheet with + New button) */
.sheet-title-row {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 20px 12px;
}
.sheet-title-row .sheet-title { padding: 0; }
.create-btn {
    background: rgba(93,202,165,0.15); color: #5dcaa5; border: none;
    border-radius: 8px; padding: 6px 14px; font-size: 13px; font-weight: 600;
    cursor: pointer; transition: background 0.15s;
}
.create-btn:hover { background: rgba(93,202,165,0.25); }

/* Speed sheet */
.speed-sheet-body { padding: 8px 16px 16px; }
.speed-presets {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-bottom: 20px;
}
.speed-preset {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 14px 8px; border-radius: 12px;
    background: rgba(255,255,255,0.04); border: 2px solid transparent;
    color: var(--text-primary, #ccd6f6); cursor: pointer;
    transition: all 0.15s; font-size: 15px; font-weight: 600;
}
.speed-preset:hover { background: rgba(255,255,255,0.08); }
.speed-preset:active { background: rgba(255,255,255,0.12); }
.speed-preset.selected {
    background: rgba(93, 202, 165, 0.12);
    border-color: #5dcaa5; color: #5dcaa5;
}
.speed-preset .speed-label { font-size: 11px; color: var(--text-dim, #5a6380); margin-top: 4px; font-weight: 400; }
.speed-preset.selected .speed-label { color: rgba(93,202,165,0.7); }

.speed-custom {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 4px; border-top: 1px solid rgba(255,255,255,0.06);
}
.speed-custom-label { color: var(--text-secondary, #8892b0); font-size: 13px; flex-shrink: 0; width: 56px; }
.speed-custom input[type="range"] { flex: 1; accent-color: #5dcaa5; }
.speed-sheet-val { color: #5dcaa5; font-weight: 600; font-size: 15px; min-width: 42px; text-align: right; }

/* Delete button in persona sheet */
.sheet-item-delete {
    background: none; border: none; color: #5a6380; font-size: 14px;
    cursor: pointer; padding: 4px 8px; flex-shrink: 0;
    opacity: 0; transition: opacity 0.15s, color 0.15s;
}
.sheet-item:hover .sheet-item-delete { opacity: 1; }
.sheet-item-delete:hover { color: #f06060; }

/* Model group headers */
.model-group-header {
    font-size: 11px; font-weight: 700; text-transform: uppercase;
    letter-spacing: 1.2px; color: var(--text-dim, #5a6380);
    padding: 16px 16px 6px; margin-top: 4px;
}
.model-group-header:first-child { margin-top: 0; }

/* Model ID badge */
.model-badge {
    display: inline-block; font-size: 10px; padding: 2px 8px;
    border-radius: 6px; background: rgba(255,255,255,0.06);
    color: var(--text-dim, #5a6380); margin-top: 3px;
    font-family: monospace;
}
.sheet-item.selected .model-badge { background: rgba(93,202,165,0.12); color: rgba(93,202,165,0.7); }

/* Mic button connecting pulse */
.mic-button.connecting-pulse {
    animation: mic-pulse 1.2s ease-in-out infinite;
    box-shadow: 0 0 0 0 rgba(93, 202, 165, 0.5);
}
@keyframes mic-pulse {
    0% { box-shadow: 0 0 0 0 rgba(93, 202, 165, 0.5); transform: scale(1); }
    50% { box-shadow: 0 0 0 18px rgba(93, 202, 165, 0); transform: scale(1.05); }
    100% { box-shadow: 0 0 0 0 rgba(93, 202, 165, 0); transform: scale(1); }
}

/* Stage indicator */
.stage-indicator {
    display: inline-block;
    font-size: 13px;
    color: #5dcaa5;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
    animation: stage-fade 1.5s ease-in-out infinite;
}
@keyframes stage-fade {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* ── Avatar video ──────────────────────────────────────────────────────────
   Hidden until PipecatClient attaches a remote video track (body.avatar-active),
   so an audio-only session looks exactly as it did before. */
.avatar-stage {
    display: none;
    justify-content: center;
    margin: 8px auto 4px;
}
body.avatar-active .avatar-stage {
    display: flex;
}
.avatar-stage video {
    width: 256px;
    max-width: 60vw;
    aspect-ratio: 1 / 1;
    border-radius: 12px;
    background: #000;
    object-fit: cover;
}