/* ── TTS Tool Accent Colours ── */
:root {
    --clr-tts: #c9a0dc;
    --clr-tts-dark: #a87cc4;
    --clr-tts-glow: rgba(201, 160, 220, 0.15);
}

/* ── Onboarding ── */
.onboarding {
    display: flex;
    justify-content: center;
    padding: 3rem 0 4rem;
}

.onboarding__card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 3rem 2.5rem;
    box-shadow: var(--shadow-lg);
    text-align: center;
    max-width: 480px;
    width: 100%;
}

.onboarding__icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.onboarding__title {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--clr-primary);
    margin-bottom: 0.5rem;
}

.onboarding__desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* Step indicators */
.steps {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.step {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    opacity: 0.5;
    transition: var(--transition);
}

.step.active {
    opacity: 1;
    color: var(--clr-tts);
    font-weight: 600;
}

.step.done {
    opacity: 1;
    color: var(--clr-success);
}

.step__num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid currentColor;
    font-size: 0.7rem;
    font-weight: 700;
}

.step.done .step__num {
    background: var(--clr-success);
    border-color: var(--clr-success);
    color: #fff;
}

.step.done .step__num::after {
    content: '✓';
}

.onboarding__status {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    min-height: 1.2em;
}

.onboarding__btn {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    background: var(--clr-tts);
    color: #141414;
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.85rem 2.5rem;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 1rem;
}

.onboarding__btn:hover:not(:disabled) {
    background: var(--clr-tts-dark);
    transform: translateY(-1px);
}

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

.onboarding__btn-sub {
    font-size: 0.72rem;
    font-weight: 400;
    opacity: 0.7;
    margin-top: 0.2rem;
}

.onboarding__error {
    color: var(--clr-danger);
    font-size: 0.85rem;
}

/* ── Progress bar (shared) ── */
.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 1rem;
    display: none;
}

.progress-bar.active {
    display: block;
}

.progress-fill {
    height: 100%;
    background: var(--clr-tts);
    width: 0%;
    transition: width 0.3s ease;
    border-radius: 3px;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ── Workspace ── */
.workspace {
    padding-bottom: 2rem;
}

/* Compact status bar */
.status-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.6rem 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    margin-bottom: 1.25rem;
}

.status-bar__left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.status-dot.ready { background: var(--clr-success); }
.status-dot.loading { background: #ff9800; animation: pulse 1s infinite; }
.status-dot.error { background: var(--clr-danger); }

/* ── Workspace error banner ── */
.ws-error {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.7rem 1rem;
    background: color-mix(in srgb, var(--clr-danger) 12%, transparent);
    border: 1px solid color-mix(in srgb, var(--clr-danger) 35%, transparent);
    border-radius: var(--radius);
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
    color: var(--text);
}

.ws-error__icon {
    flex-shrink: 0;
}

.ws-error__msg {
    flex: 1;
    word-break: break-word;
}

.ws-error__close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0 0.2rem;
    line-height: 1;
}
.ws-error__close:hover { color: var(--text); }

.status-bar__text {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.status-bar__progress {
    flex: 1;
    max-width: 200px;
}

.status-bar__progress .progress-bar {
    margin-bottom: 0;
    height: 4px;
}

/* ── Two-column grid ── */
.workspace__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

/* ── Panels ── */
.panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
}

.panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

.panel__label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--clr-tts);
    font-weight: 700;
}

.char-count {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ── Textarea ── */
.tts-textarea {
    width: 100%;
    min-height: 120px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    color: var(--text);
    padding: 0.85rem;
    font-size: 0.95rem;
    font-family: var(--font);
    line-height: 1.6;
    resize: vertical;
    transition: border-color var(--transition);
}

.tts-textarea:focus {
    outline: none;
    border-color: var(--clr-tts);
    box-shadow: 0 0 0 3px var(--clr-tts-glow);
}

/* ── Sample text chips ── */
.samples {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-wrap: wrap;
    margin-top: 0.75rem;
}

.samples__label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-right: 0.2rem;
}

.sample-chip {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 0.25rem 0.65rem;
    font-size: 0.72rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.sample-chip:hover {
    border-color: var(--clr-tts);
    color: var(--clr-tts);
}

/* ── Voice picker ── */
.voice-picker {
    margin-top: 1rem;
}

.voice-picker > .panel__label {
    margin-bottom: 0.5rem;
    display: block;
}

.voice-groups {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    max-height: 200px;
    overflow-y: auto;
    padding-right: 0.25rem;
}

.voice-group {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    flex-wrap: wrap;
}

.voice-group__flag {
    font-size: 1rem;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.voice-group__code {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-muted);
    width: 20px;
    flex-shrink: 0;
    letter-spacing: 0.03em;
}

.voice-pill {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 100px;
    padding: 0.2rem 0.6rem;
    font-size: 0.72rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.voice-pill:hover {
    border-color: var(--clr-tts);
    color: var(--text);
}

.voice-pill.active {
    background: var(--clr-tts);
    border-color: var(--clr-tts);
    color: #141414;
    font-weight: 600;
}

/* ── Actions ── */
.actions-row {
    display: flex;
    gap: 0.6rem;
    margin-top: 1rem;
}

.btn-speak {
    flex: 1;
    background: var(--clr-tts);
    color: #141414;
    border: none;
    border-radius: var(--radius-xs);
    padding: 0.7rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.btn-speak:hover:not(:disabled) {
    background: var(--clr-tts-dark);
}

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

.btn-speak__idle,
.btn-speak__busy {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

/* Spinner */
.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(0,0,0,0.2);
    border-top-color: #141414;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

.btn-clear {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    color: var(--text-muted);
    padding: 0.7rem 1rem;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-clear:hover {
    border-color: var(--clr-danger);
    color: var(--clr-danger);
}

/* ── Output panel ── */
.panel--output {
    justify-content: flex-start;
}

.output-placeholder {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-muted);
    min-height: 200px;
}

.output-placeholder__icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    opacity: 0.5;
}

.output-placeholder p {
    font-size: 0.9rem;
    line-height: 1.5;
    max-width: 240px;
}

.output-result {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.audio-player {
    width: 100%;
    border-radius: var(--radius-xs);
}

.audio-meta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.audio-meta span {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.audio-breakdown {
    font-size: 0.7rem;
    color: var(--text-muted);
    opacity: 0.8;
    line-height: 1.6;
    padding-top: 0.3rem;
    border-top: 1px solid var(--border);
    margin-top: 0.5rem;
}

.audio-breakdown span {
    display: inline-block;
    margin-right: 1rem;
}

.btn-download {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    color: var(--text-muted);
    padding: 0.3rem 0.6rem;
    font-size: 0.72rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-download:hover {
    border-color: var(--clr-tts);
    color: var(--clr-tts);
}

/* ── Model details ── */
.model-details {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    overflow: hidden;
}

.model-details__toggle {
    padding: 0.65rem 1rem;
    font-size: 0.78rem;
    color: var(--text-muted);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.model-details__toggle::before {
    content: '▸';
    transition: transform var(--transition);
}

details[open] .model-details__toggle::before {
    transform: rotate(90deg);
}

.model-details__toggle::-webkit-details-marker {
    display: none;
}

.model-details__body {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 0 1rem 0.75rem;
    font-size: 0.78rem;
}

.model-details__info {
    color: var(--text-muted);
}

.model-link {
    color: var(--clr-tts);
    text-decoration: none;
    font-size: 0.78rem;
}

.model-link:hover {
    text-decoration: underline;
}

/* ── Responsive ── */
@media (max-width: 900px) {
    .workspace__grid {
        grid-template-columns: 1fr;
    }

    .output-placeholder {
        min-height: 120px;
    }

    .steps {
        gap: 1rem;
    }
}

@media (max-width: 500px) {
    .onboarding__card {
        padding: 2rem 1.25rem;
    }

    .steps {
        gap: 0.5rem;
        font-size: 0.7rem;
    }
}