.ai-prompt-crafter-widget {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    display: block;
    width: 100%;
    box-sizing: border-box;

    /* Theme Variables - Light Mode (Default) */
    --pcw-bg: #ddd;                  /* Darkened container background matching Python widget */
    --pcw-border: #888;              /* Darkened border matching Python & Base Convertor widgets */
    --pcw-text: #1f2937;
    --pcw-text-muted: #4b5563;
    --pcw-input-bg: #cfd3da;         /* Darkened shaded elements: inputs & right preview container */
    --pcw-input-border: #9ca3af;     /* Border for shaded inputs & right container */
    --pcw-content-bg: #ffffff;       /* Pure white surface for preview text & focused inputs */
    --pcw-primary: #2563eb;
    --pcw-focus-ring: rgba(37, 99, 235, 0.25);
}

.pcw-container {
    background-color: var(--pcw-bg, #ddd);
    color: var(--pcw-text, #1f2937);
    border: 1px solid var(--pcw-border, #888);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}

.pcw-header {
    margin-bottom: 1.5rem;
}

.pcw-header h4 {
    margin: 0 0 0.25rem 0;
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--pcw-primary, #2563eb);
}

.pcw-header p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--pcw-text-muted, #4b5563);
}

.pcw-layout-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .pcw-layout-grid {
        grid-template-columns: 1fr 1fr;
        align-items: stretch;
    }
}

.pcw-right-panel {
    display: flex;
    flex-direction: column;
}

.pcw-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

.pcw-field {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.pcw-field label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--pcw-text, #1f2937);
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.pcw-field input, .pcw-field textarea {
    width: 100%;
    padding: 0.625rem 0.75rem;
    border: 1px solid var(--pcw-input-border, #9ca3af);
    border-radius: 8px;
    background-color: var(--pcw-input-bg, #cfd3da);
    color: var(--pcw-text, #1f2937);
    font-size: 0.875rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
    box-sizing: border-box;
    font-family: inherit;
}

.pcw-field input::placeholder, .pcw-field textarea::placeholder {
    color: #6b7280;
}

.pcw-field input:focus, .pcw-field textarea:focus {
    outline: none;
    border-color: var(--pcw-primary, #2563eb);
    box-shadow: 0 0 0 3px var(--pcw-focus-ring, rgba(37, 99, 235, 0.25));
    background-color: var(--pcw-content-bg, #ffffff);
}

.pcw-preview-area {
    background-color: var(--pcw-input-bg, #cfd3da);
    border: 1px solid var(--pcw-input-border, #9ca3af);
    border-radius: 8px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.pcw-preview-area > label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--pcw-text, #1f2937);
    display: flex;
    align-items: center;
    gap: 0.375rem;
    margin-bottom: 0.75rem;
}

.pcw-preview-text {
    width: 100%;
    flex-grow: 1;
    background-color: var(--pcw-content-bg, #ffffff);
    border: 1px solid var(--pcw-input-border, #9ca3af);
    border-radius: 8px;
    padding: 0.625rem 0.75rem;
    resize: none;
    color: var(--pcw-text, #1f2937);
    font-size: 0.95rem;
    line-height: 1.5;
    outline: none;
    font-family: inherit;
    box-sizing: border-box;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    user-select: none;
    -webkit-user-select: none;
}

.pcw-preview-text:focus {
    border-color: var(--pcw-primary, #2563eb);
    box-shadow: 0 0 0 3px var(--pcw-focus-ring, rgba(37, 99, 235, 0.25));
}

.pcw-actions {
    display: flex;
    width: 100%;
    margin-top: 1rem;
}

.pcw-actions .pcw-btn {
    width: 100%;
}

.pcw-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    font-family: inherit;
}

.pcw-btn-primary {
    background-color: var(--pcw-primary, #2563eb);
    color: #ffffff;
}

.pcw-btn-primary:hover {
    opacity: 0.92;
    transform: translateY(-1px);
}

.pcw-btn-secondary {
    background-color: var(--pcw-input-bg, #cfd3da);
    color: var(--pcw-text, #1f2937);
    border: 1px solid var(--pcw-input-border, #9ca3af);
}

.pcw-btn-secondary:hover {
    background-color: #bfc4cd;
}

.pcw-notification {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background-color: #10b981;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
    pointer-events: none;
}

.pcw-notification.show {
    opacity: 1;
    transform: translateY(0);
}

/* Dark Theme Variables */
.ai-prompt-crafter-widget[data-theme="dark"] .pcw-container,
.ai-prompt-crafter-widget[data-theme="dark"] {
    --pcw-bg: #1f2937;
    --pcw-border: #4b5563;
    --pcw-text: #f9fafb;
    --pcw-text-muted: #9ca3af;
    --pcw-input-bg: #111827;
    --pcw-input-border: #374151;
    --pcw-content-bg: #18202f;
}

.ai-prompt-crafter-widget[data-theme="dark"] .pcw-field input::placeholder,
.ai-prompt-crafter-widget[data-theme="dark"] .pcw-field textarea::placeholder {
    color: #9ca3af;
}

.ai-prompt-crafter-widget[data-theme="dark"] .pcw-field input:focus,
.ai-prompt-crafter-widget[data-theme="dark"] .pcw-field textarea:focus {
    background-color: #1f2937;
}

.ai-prompt-crafter-widget[data-theme="dark"] .pcw-preview-text {
    background-color: #18202f;
    border-color: #374151;
    color: #f9fafb;
}

.ai-prompt-crafter-widget[data-theme="dark"] .pcw-btn-secondary {
    background-color: #111827;
    border-color: #374151;
    color: #f9fafb;
}

.ai-prompt-crafter-widget[data-theme="dark"] .pcw-btn-secondary:hover {
    background-color: #1f2937;
}