/* Produtora — Component Styles */

/* ── Cards ── */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 20px;
    margin-bottom: 16px;
}

.card-title {
    font-size: 0.82em;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 14px;
}

/* ── Drop Zone ── */

.drop-zone {
    border: 2px dashed var(--border);
    border-radius: var(--r-lg);
    padding: 32px 20px;
    text-align: center;
    cursor: pointer;
    transition: all var(--tr);
}

.drop-zone:hover,
.drop-zone.over {
    border-color: var(--accent);
    background: rgba(108, 140, 255, 0.04);
}

.drop-icon {
    color: var(--text-muted);
    margin-bottom: 8px;
}

.drop-text {
    color: var(--text-dim);
    font-size: 0.9em;
}

.drop-hint {
    font-size: 0.78em;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ── File List ── */

.file-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 12px;
}

.file-list:empty {
    display: none;
}

.file-row {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    background: var(--bg-input);
    border-radius: var(--r);
    font-size: 0.85em;
    gap: 10px;
}

.file-row .file-icon {
    color: var(--accent);
    flex-shrink: 0;
}

.file-row .file-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-row .file-size {
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85em;
    flex-shrink: 0;
}

.file-row .file-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.1em;
    padding: 0 2px;
    transition: color var(--tr);
    flex-shrink: 0;
}

.file-row .file-remove:hover {
    color: var(--red);
}

/* ── Config Grid ── */

.config-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.form-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-item label {
    font-size: 0.78em;
    color: var(--text-dim);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.form-item select,
.form-item input[type="number"] {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 8px 10px;
    color: var(--text);
    font-size: 0.88em;
    font-family: inherit;
    outline: none;
    transition: border-color var(--tr);
    width: 100%;
}

.form-item select:focus,
.form-item input:focus {
    border-color: var(--accent);
}

/* ── Config Section Titles ── */

.config-section-title {
    grid-column: 1 / -1;
    font-size: 0.82em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    padding-top: 8px;
    margin-top: 4px;
}

.sub-options {
    grid-column: 1 / -1;
    padding: 8px 0 0 16px;
    border-left: 2px solid var(--border);
    border-top: 1px solid var(--border);
}

/* ── Range Sliders ── */

.range-item {
    grid-column: span 2;
}

.range-val {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.92em;
    color: var(--accent-bright);
    min-width: 36px;
    text-align: right;
}

input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    background: var(--bg-input);
    border-radius: 2px;
    outline: none;
    border: 1px solid var(--border);
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    transition: background var(--tr);
}

input[type="range"]::-webkit-slider-thumb:hover {
    background: var(--accent-bright);
}

input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    border: none;
}

/* ── Buttons ── */

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--r);
    font-size: 0.92em;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    border: none;
    transition: all var(--tr);
    width: 100%;
    text-decoration: none;
}

.btn-go {
    background: var(--accent);
    color: #fff;
}

.btn-go:hover:not(:disabled) {
    background: var(--accent-bright);
}

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

.btn-outline {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-dim);
    margin-top: 12px;
}

.btn-outline:hover {
    border-color: var(--text-dim);
    color: var(--text);
}

.btn-icon {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text);
    transition: all var(--tr);
    flex-shrink: 0;
}

.btn-icon:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ── Progress ── */

.progress-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.progress-pct {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.4em;
    font-weight: 700;
    color: var(--accent-bright);
    min-width: 60px;
    text-align: right;
}

.progress-track {
    background: var(--bg-input);
    border-radius: 4px;
    height: 6px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-bright));
    border-radius: 4px;
    transition: width 0.4s ease;
    width: 0%;
}

.progress-msg {
    font-size: 0.82em;
    color: var(--text-dim);
    text-align: center;
    margin-top: 10px;
}

/* ── Player ── */

.player {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.player-time {
    font-size: 0.85em;
    color: var(--accent-bright);
    font-family: 'JetBrains Mono', monospace;
    font-weight: 600;
    min-width: 100px;
    text-align: center;
    flex-shrink: 0;
}

.player-waveform {
    flex: 1;
    min-height: 48px;
    background: var(--bg-input);
    border-radius: var(--r);
    overflow: hidden;
}

/* ── Stats Grid ── */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 10px;
    margin-bottom: 16px;
}

.stat-box {
    background: var(--bg-input);
    border-radius: var(--r);
    padding: 14px 10px;
    text-align: center;
}

.stat-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.25em;
    font-weight: 600;
    color: var(--accent-bright);
}

.stat-label {
    font-size: 0.72em;
    color: var(--text-muted);
    margin-top: 3px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ── Usage Bar ── */

.usage-bar-container {
    margin-bottom: 16px;
}

.usage-bar-container:empty {
    display: none;
}

.usage-bar-label {
    font-size: 0.78em;
    color: var(--text-dim);
    margin-bottom: 6px;
    font-weight: 500;
}

.usage-bar {
    display: flex;
    height: 24px;
    border-radius: var(--r);
    overflow: hidden;
    gap: 1px;
}

.usage-segment {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.68em;
    font-weight: 600;
    color: #fff;
    min-width: 28px;
    font-family: 'JetBrains Mono', monospace;
    transition: flex var(--tr);
}

.usage-legend {
    display: flex;
    gap: 12px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.usage-legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78em;
    color: var(--text-dim);
}

.usage-legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

/* ── Decisions Table ── */

.decisions-details {
    margin-bottom: 12px;
}

.decisions-details summary {
    font-size: 0.82em;
    color: var(--text-dim);
    cursor: pointer;
    padding: 8px 0;
    font-weight: 500;
}

.decisions-details summary:hover {
    color: var(--text);
}

.decisions-table {
    max-height: 300px;
    overflow-y: auto;
}

.decision-row {
    display: grid;
    grid-template-columns: 50px 1fr 80px 80px 60px;
    gap: 8px;
    padding: 6px 10px;
    font-size: 0.82em;
    border-radius: 4px;
    align-items: center;
}

.decision-row:nth-child(odd) {
    background: var(--bg-input);
}

.decision-row.header {
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.72em;
    letter-spacing: 0.04em;
    background: none;
}

.decision-row .take-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.92em;
    font-weight: 600;
    color: #fff;
}

.decision-row .switch-badge {
    font-size: 0.78em;
    color: var(--orange);
    font-weight: 600;
}

.decision-row .score {
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-dim);
}

/* ── Normalization Stats ── */

.norm-stats-container {
    margin: 12px 0;
}

.norm-summary {
    font-size: 0.82em;
    color: var(--text-dim);
    padding: 6px 0;
}

.norm-table {
    margin-top: 6px;
}

.norm-row {
    display: grid;
    grid-template-columns: 90px 1fr 1fr 1fr;
    gap: 8px;
    padding: 5px 10px;
    font-size: 0.82em;
    border-radius: 4px;
    align-items: center;
}

.norm-row:nth-child(odd) {
    background: var(--bg-input);
}

.norm-row.header {
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.72em;
    letter-spacing: 0.04em;
    background: none;
}

.norm-row .take-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.92em;
    font-weight: 600;
    color: #fff;
}

/* ── Toggle Switch ── */

.toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.toggle input {
    display: none;
}

.toggle .switch {
    position: relative;
    width: 36px;
    height: 22px;
    background: var(--border);
    border-radius: 11px;
    transition: background var(--tr);
    flex-shrink: 0;
}

.toggle .switch::before {
    content: "";
    position: absolute;
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background: var(--text);
    border-radius: 50%;
    transition: transform var(--tr);
}

.toggle input:checked + .switch {
    background: var(--accent);
}

.toggle input:checked + .switch::before {
    transform: translateX(14px);
}

.toggle span {
    font-size: 0.85em;
    color: var(--text-dim);
}

/* ── Error State ── */

.error-msg {
    background: rgba(224, 88, 88, 0.1);
    border: 1px solid var(--red);
    border-radius: var(--r);
    padding: 12px 16px;
    color: var(--red);
    font-size: 0.88em;
    margin-bottom: 16px;
}

/* ── Tuning-specific ── */

.btn-tune {
    background: var(--green);
}
.btn-tune:hover:not(:disabled) {
    background: #4dae68;
}

.tune-bar {
    background: linear-gradient(90deg, var(--green), #78d898);
}

/* A/B Toggle */
.ab-toggle {
    display: flex;
    gap: 0;
    margin-bottom: 12px;
    border-radius: var(--r);
    overflow: hidden;
    border: 1px solid var(--border);
}

.ab-toggle-btn {
    flex: 1;
    padding: 6px 16px;
    border: none;
    background: var(--bg-input);
    color: var(--text-muted);
    font-size: 0.85em;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

.ab-toggle-btn:first-child {
    border-right: 1px solid var(--border);
}

.ab-toggle-btn.active {
    background: var(--green);
    color: #fff;
}

.ab-toggle-btn:hover:not(.active) {
    background: var(--bg-hover);
}

/* Dual Waveform Container */
.ab-waveforms {
    flex: 1;
    min-width: 0;
}

/* Pitch Canvas */
.pitch-canvas-wrap {
    background: #12121a;
    border-radius: var(--r);
    padding: 8px;
    margin: 12px 0;
    overflow: hidden;
}

.pitch-canvas-wrap canvas {
    display: block;
    width: 100%;
    border-radius: calc(var(--r) - 4px);
}

/* Warning Banner */
.warning-banner {
    background: rgba(224, 160, 64, 0.12);
    border: 1px solid var(--orange);
    border-radius: var(--r);
    padding: 10px 14px;
    color: var(--orange);
    font-size: 0.85em;
    margin-bottom: 12px;
    line-height: 1.4;
}

/* Toggle label row */
.toggle-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    width: 100%;
}

/* Range labels (Sutil / Tight) */
.range-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.72em;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Tune Downloads row */
.tune-downloads {
    display: flex;
    gap: 10px;
    margin-top: 8px;
}

.tune-downloads .btn {
    flex: 1;
    text-align: center;
    justify-content: center;
}

.btn-secondary {
    border-color: var(--text-muted);
    color: var(--text-muted);
}
.btn-secondary:hover {
    border-color: var(--text);
    color: var(--text);
}

/* ── Tone Preset Tab ── */

.btn-tone {
    background: var(--orange);
    color: #111;
}
.btn-tone:hover:not(:disabled) {
    background: #f0b060;
}
.btn-tone:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.tone-bar {
    background: linear-gradient(90deg, var(--orange), #f0c080) !important;
}

/* Card header (title + button row) */
.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}
.card-header h3 {
    font-size: 0.82em;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 0;
}

/* Small button (in-card actions) */
.btn-small {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 14px;
    border: none;
    border-radius: var(--r);
    font-size: 0.78em;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--tr);
}

/* Preset grid */
.preset-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 10px;
}

.preset-card {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 14px;
    cursor: pointer;
    transition: all var(--tr);
    position: relative;
}
.preset-card:hover {
    border-color: var(--orange);
    background: var(--bg-hover);
}
.preset-card.selected {
    border-color: var(--orange);
    box-shadow: 0 0 0 1px var(--orange);
}
.preset-card-name {
    font-weight: 600;
    font-size: 0.9em;
    margin-bottom: 4px;
    color: var(--text);
    padding-right: 20px;
}
.preset-card-meta {
    font-size: 0.75em;
    color: var(--text-muted);
}
.preset-card-delete {
    position: absolute;
    top: 8px;
    right: 8px;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.2em;
    line-height: 1;
    padding: 2px 4px;
    transition: color var(--tr);
}
.preset-card-delete:hover {
    color: var(--red);
}

.preset-empty {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85em;
    padding: 24px 0;
}

/* Text input */
.text-input {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--r);
    padding: 10px 12px;
    color: var(--text);
    font-size: 0.9em;
    font-family: inherit;
    outline: none;
    transition: border-color var(--tr);
    width: 100%;
}
.text-input:focus {
    border-color: var(--orange);
}
.text-input::placeholder {
    color: var(--text-muted);
}

/* Form grid (alternative to config-grid for tone) */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

/* Player card (player + controls layout) */
.player-card {
    margin-bottom: 16px;
}
.player-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

/* A/B toggle — orange variant for tone tab */
.tab-content#tab-tone .ab-toggle-btn.active {
    background: var(--orange);
}

/* File item (alternative row for single-file presets) */
.file-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: var(--bg-input);
    border-radius: var(--r);
    font-size: 0.85em;
    margin-top: 8px;
}
.file-item .file-name {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.file-item .file-size {
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85em;
    flex-shrink: 0;
}
.file-item .file-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.1em;
    padding: 0 2px;
    transition: color var(--tr);
}
.file-item .file-remove:hover {
    color: var(--red);
}

/* ── Structure Tab ── */

.btn-struct {
    background: var(--purple);
    color: #fff;
}
.btn-struct:hover:not(:disabled) {
    background: #b890ff;
}
.btn-struct:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.struct-bar {
    background: linear-gradient(90deg, var(--purple), #c0a0ff) !important;
}

.struct-summary {
    font-size: 0.82em;
    color: var(--text-dim);
    font-family: 'JetBrains Mono', monospace;
}

/* Section timeline — colored blocks on a horizontal bar */
.struct-timeline {
    display: flex;
    height: 36px;
    border-radius: var(--r);
    overflow: hidden;
    gap: 1px;
    margin-bottom: 16px;
    background: var(--bg-input);
}

.struct-timeline-segment {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7em;
    font-weight: 600;
    color: #fff;
    min-width: 20px;
    cursor: default;
    transition: opacity 0.15s;
    position: relative;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: 0 4px;
}

.struct-timeline-segment:hover {
    opacity: 0.85;
}

/* Section list — editable rows */
.struct-sections {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.struct-section-row {
    display: grid;
    grid-template-columns: 12px 1fr 100px 80px;
    gap: 10px;
    align-items: center;
    padding: 8px 12px;
    background: var(--bg-input);
    border-radius: var(--r);
    font-size: 0.85em;
}

.struct-section-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

.struct-section-label {
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px;
    padding: 3px 6px;
    color: var(--text);
    font-size: 0.95em;
    font-family: inherit;
    outline: none;
    transition: border-color 0.15s;
    width: 100%;
}

.struct-section-label:hover {
    border-color: var(--border);
}

.struct-section-label:focus {
    border-color: var(--purple);
    background: var(--bg-card);
}

.struct-section-time {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85em;
    color: var(--text-muted);
    text-align: right;
}

.struct-section-group {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85em;
    color: var(--text-dim);
    text-align: center;
    background: var(--bg-card);
    border-radius: 4px;
    padding: 2px 8px;
}

/* Action buttons row */
.struct-actions {
    display: flex;
    gap: 10px;
    margin-top: 4px;
}

.struct-actions .btn {
    flex: 1;
}

.struct-actions .btn-outline {
    flex: 0 0 auto;
    width: auto;
    margin-top: 0;
    padding: 12px 20px;
}

/* Confirmed badge */
.struct-confirmed-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: rgba(168, 124, 255, 0.1);
    border: 1px solid var(--purple);
    border-radius: var(--r);
    color: var(--purple);
    font-size: 0.85em;
    font-weight: 500;
    margin-top: 12px;
}

/* ── Responsive ── */

@media (max-width: 600px) {
    .config-grid {
        grid-template-columns: 1fr;
    }

    .range-item {
        grid-column: span 1;
    }

    .decision-row {
        grid-template-columns: 40px 1fr 60px 60px 50px;
        font-size: 0.75em;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}