/* ========================================
   Form, Inputs, Buttons & Subtitle Settings
   ======================================== */

/* Form Card */
.form-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 180px;
    gap: 12px;
    margin-bottom: 12px;
}

.form-group {
    margin-bottom: 12px;
}

.form-group.hidden {
    display: none !important;
}

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

.form-label {
    display: block;
    font-size: 11px;
    font-weight: 500;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 12px;
    font-family: inherit;
    font-size: 13px;
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    outline: none;
    transition: all var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-dim);
}

.form-textarea {
    min-height: 80px;
    resize: vertical;
    font-family: 'SF Mono', Monaco, monospace;
    font-size: 12px;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 32px;
}

.form-hint {
    font-size: 11px;
    color: var(--text-dim);
    margin-top: 4px;
}

/* Subtitle Row */
.subtitle-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.subtitle-row .form-input {
    flex: 1;
}

.subtitle-or {
    font-size: 12px;
    color: var(--text-dim);
}

/* File Upload */
.file-upload-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    font-size: 13px;
    color: var(--text);
    background: var(--surface-hover);
    border: 1px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.file-upload-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

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

/* Play Button */
.btn-play {
    width: 100%;
    padding: 14px;
    margin-top: 16px;
    font-family: inherit;
    font-size: 15px;
    font-weight: 500;
    color: #fff;
    background: linear-gradient(135deg, #48484a 0%, #636366 100%);
    border: none;
    border-radius: 14px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all var(--transition);
}

.btn-play:hover:not(:disabled) {
    background: linear-gradient(135deg, #636366 0%, #8e8e93 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

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

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

/* Hidden utility */
.hidden {
    display: none !important;
}

/* ========================================
   Subtitle Settings (Collapsible Panel)
   ======================================== */

.subtitle-settings {
    margin-top: 4px;
}

.subtitle-settings-title {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-dim);
    font-size: 12px;
    cursor: pointer;
    padding: 6px 0;
    transition: color var(--transition);
}

.subtitle-settings-title:hover {
    color: var(--text);
}

.subtitle-settings-title svg {
    width: 14px;
    height: 14px;
    transition: transform var(--transition);
}

.subtitle-settings-title:not(.collapsed) svg {
    transform: rotate(180deg);
}

.subtitle-settings-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 16px;
    padding: 6px 0;
}

.subtitle-settings-content.collapsed {
    display: none;
}

/* Slider rows span full width */
.setting-row.setting-row--wide {
    grid-column: 1 / -1;
}

.setting-row {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.setting-label {
    font-size: 11px;
    color: var(--text-dim);
    min-width: 60px;
    max-width: 82px;
    flex-shrink: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.setting-controls {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
}

.setting-range {
    flex: 1;
    height: 3px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--surface);
    border-radius: 2px;
    cursor: pointer;
}

.setting-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text);
    cursor: pointer;
}

.setting-value {
    font-size: 10px;
    color: var(--text-dim);
    min-width: 28px;
    text-align: right;
}

.setting-select {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 5px;
    padding: 4px 6px;
    font-size: 11px;
    cursor: pointer;
    flex: 1;
}