* {
    box-sizing: border-box;
}

:root {
    color-scheme: light;
    font-family: Arial, Helvetica, sans-serif;
    background: transparent;
    color: #1f2937;
}

body {
    margin: 0;
    padding: 12px;
    background: transparent;
}

.embed-card {
    width: 100%;
    max-width: 720px;
    margin: 0 auto;
    padding: 16px;
    border: 1px solid #d6dde8;
    border-radius: 12px;
    background: #ffffff;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
}

.field-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.92rem;
    font-weight: 700;
    color: #334155;
}

.input-text,
.converted-text {
    width: 100%;
    min-height: 104px;
    padding: 12px;
    border: 1px solid #cbd5e1;
    border-radius: 10px;
    font: inherit;
    line-height: 1.45;
}

.input-text {
    display: block;
    resize: vertical;
    color: #111827;
    background: #ffffff;
}

.input-text:focus {
    border-color: #2563eb;
    outline: 3px solid rgba(37, 99, 235, 0.18);
}

.text-size-controls {
    display: flex;
    justify-content: flex-end;
    gap: 6px;
    margin-top: 6px;
}

.size-control-btn {
    min-width: 36px;
    padding: 6px 10px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background: #f8fafc;
    color: #1f2937;
    font: inherit;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
}

.size-control-btn:hover {
    background: #f1f5f9;
    border-color: #2563eb;
}

.speed-controls {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.speed-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: #334155;
    min-width: 2.8em;
    text-align: center;
    user-select: none;
}

.result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 14px;
}

.result-header .field-label {
    margin-bottom: 0;
}

.tts-controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

/* Custom speaker dropdown (aligned with talking_texts) */
.custom-speaker-dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background-color: #f8fafc;
    color: #1f2937;
    font-size: 0.875rem;
    font-family: inherit;
    cursor: pointer;
    transition: border-color 0.15s ease, background-color 0.15s ease;
    min-width: 120px;
}

.dropdown-toggle:hover:not(:disabled) {
    background-color: #f1f5f9;
    border-color: #2563eb;
}

.dropdown-toggle:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

.dropdown-toggle:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.dropdown-toggle-text {
    flex: 1;
    text-align: left;
}

.dropdown-arrow {
    font-size: 12px;
    transition: transform 0.2s ease;
}

.custom-speaker-dropdown.open .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-options {
    display: none;
    position: absolute;
    top: 100%;
    bottom: auto;
    left: 0;
    right: 0;
    margin-top: 4px;
    margin-bottom: 0;
    padding: 4px 0;
    background-color: #ffffff;
    border: 1px solid #2563eb;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
    z-index: 1000;
    list-style: none;
    max-height: 240px;
    overflow-y: auto;
    overflow-x: hidden;
    min-width: 180px;
}

.dropdown-options.opens-up {
    top: auto;
    bottom: 100%;
    margin-top: 0;
    margin-bottom: 4px;
    box-shadow: 0 -8px 24px rgba(15, 23, 42, 0.12);
}

.custom-speaker-dropdown.open .dropdown-options {
    display: block;
}

.speaker-option {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 2px 4px;
}

.speaker-option[aria-selected="true"] {
    background-color: #f1f5f9;
}

.speaker-name {
    flex: 1;
    padding: 8px 10px;
    cursor: pointer;
    border-radius: 6px;
    transition: background-color 0.15s ease;
    font-size: 0.875rem;
    color: #1f2937;
    min-height: 44px;
    display: flex;
    align-items: center;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    user-select: none;
}

.speaker-name:hover {
    background-color: #e2e8f0;
}

.speaker-preview-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    min-width: 38px;
    border: none;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366f1, #4f46e5);
    color: white;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    font-size: 14px;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    padding: 0;
    margin-right: 4px;
    flex-shrink: 0;
}

.speaker-preview-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.15);
}

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

.speaker-preview-btn .preview-play-icon {
    display: inline;
}

.speaker-preview-btn .preview-spinner {
    display: none;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: speaker-preview-spin 0.8s linear infinite;
}

.speaker-preview-btn.loading .preview-play-icon {
    display: none;
}

.speaker-preview-btn.loading .preview-spinner {
    display: inline-block;
}

.speaker-preview-btn.loading {
    opacity: 0.8;
    cursor: wait;
}

.speaker-preview-btn.playing {
    animation: speaker-preview-pulse 1s ease-in-out infinite;
}

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

@keyframes speaker-preview-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.control-button {
    min-width: 64px;
    padding: 8px 12px;
    border: 0;
    border-radius: 999px;
    background: #2563eb;
    color: #ffffff;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.control-button.secondary {
    background: #64748b;
}

.control-button:disabled {
    cursor: not-allowed;
    opacity: 0.5;
}

.converted-text {
    display: block;
    margin-top: 8px;
    overflow: auto;
    white-space: pre-wrap;
    color: #0f172a;
    background: #f8fafc;
}

.converted-text.is-placeholder {
    color: #64748b;
}

.status-text {
    min-height: 1.3em;
    margin: 10px 0 0;
    font-size: 0.86rem;
    color: #475569;
}

.status-text.is-error {
    color: #b91c1c;
}

@media (max-width: 480px) {
    body {
        padding: 8px;
    }

    .embed-card {
        padding: 12px;
        border-radius: 10px;
    }

    .result-header {
        align-items: flex-start;
        flex-direction: column;
    }
}