/* JSON to Dart Generator Styles */
:root {
    --dart-primary: #0175c2;
    --dart-primary-hover: #01579b;
    --dart-surface: #ffffff;
    --dart-surface-alt: #f8f9fa;
    --dart-border: #e0e0e0;
    --dart-border-focus: #0175c2;
    --dart-text: #1a1a1a;
    --dart-text-muted: #6c757d;
    --dart-success: #28a745;
    --dart-error: #dc3545;
    --dart-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    --dart-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --dart-radius: 12px;
    --dart-radius-sm: 8px;
    --dart-transition: all 0.2s ease;
}

.dart-generator-interface {
    margin-bottom: 2rem;
}

/* Single Card Container */
.generator-card {
    background: var(--dart-surface);
    border: 1px solid var(--dart-border);
    border-radius: var(--dart-radius);
    box-shadow: var(--dart-shadow-lg);
    overflow: hidden;
    transition: var(--dart-transition);
}

.generator-card:hover {
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
}

/* Split Layout */
.card-split {
    display: flex;
    min-height: 600px;
}

.input-panel,
.output-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.input-panel {
    border-right: 1px solid var(--dart-border);
}

.divider {
    width: 1px;
    background: var(--dart-border);
    flex-shrink: 0;
}

/* Panel Headers */
.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--dart-border);
    background: var(--dart-surface-alt);
}

.panel-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dart-text);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.panel-actions {
    display: flex;
    gap: 0.5rem;
}

.action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: 1px solid var(--dart-border);
    border-radius: var(--dart-radius-sm);
    background: var(--dart-surface);
    color: var(--dart-text-muted);
    cursor: pointer;
    transition: var(--dart-transition);
    font-size: 0.875rem;
}

.action-btn:hover {
    background: var(--dart-primary);
    border-color: var(--dart-primary);
    color: #ffffff;
    transform: translateY(-1px);
}

.action-btn:active {
    transform: translateY(0);
}

.icon-clear::before {
    content: "✕";
}

.icon-sample::before {
    content: "📋";
}

.icon-copy::before {
    content: "📄";
}

.icon-download::before {
    content: "⬇";
}

/* Options Bar */
.options-bar {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.875rem 1.25rem;
    border-bottom: 1px solid var(--dart-border);
    background: var(--dart-surface-alt);
    flex-wrap: wrap;
}

.option-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.option-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--dart-text-muted);
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.option-input,
.option-select {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--dart-border);
    border-radius: var(--dart-radius-sm);
    background: var(--dart-surface);
    color: var(--dart-text);
    font-size: 0.875rem;
    transition: var(--dart-transition);
    min-width: 120px;
}

.option-input:focus,
.option-select:focus {
    outline: none;
    border-color: var(--dart-border-focus);
    box-shadow: 0 0 0 3px rgba(1, 117, 194, 0.1);
}

.option-input {
    min-width: 140px;
}

.checkbox-options {
    gap: 1rem;
}

.checkbox-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--dart-text);
    cursor: pointer;
    user-select: none;
}

.checkbox-option input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: var(--dart-primary);
}

/* Editor Container */
.editor-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    padding: 1.25rem;
}

.editor-wrapper {
    flex: 1;
    position: relative;
    border: 1px solid var(--dart-border);
    border-radius: var(--dart-radius-sm);
    overflow: hidden;
    background: var(--dart-surface-alt);
    min-height: 500px;
    width: 100% !important;
}

.code-editor {
    width: 100%;
    height: 100%;
    min-height: 400px;
    padding: 1rem;
    border: none;
    background: transparent;
    font-size: 14px;
    line-height: 1.6;
    color: var(--dart-text);
    resize: none;
    outline: none;
}

.code-editor:focus {
    outline: none;
}

.code-editor::placeholder {
    color: var(--dart-text-muted);
    opacity: 0.6;
}

.editor-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem 0;
    margin-top: 0.5rem;
    font-size: 0.75rem;
}

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

.status-text.success {
    color: var(--dart-success);
}

.status-text.error {
    color: var(--dart-error);
}

/* Mobile Responsive Styles */
@media (max-width: 1024px) {
    .card-split {
        flex-direction: column;
        min-height: auto;
    }

    .input-panel {
        border-right: none;
        border-bottom: 1px solid var(--dart-border);
    }

    .divider {
        display: none;
    }

    .options-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }

    .option-group {
        width: 100%;
        justify-content: space-between;
    }

    .checkbox-options {
        margin-left: 0;
        justify-content: flex-start;
    }

    .editor-wrapper {
        min-height: 300px;
    }

    .code-editor {
        min-height: 300px;
    }
}

@media (max-width: 768px) {
    .generator-card {
        border-radius: var(--dart-radius-sm);
    }

    .panel-header {
        padding: 0.875rem 1rem;
    }

    .options-bar {
        padding: 0.75rem 1rem;
    }

    .editor-container {
        padding: 1rem;
    }

    .code-editor {
        font-size: 13px;
        min-height: 250px;
    }

    .editor-wrapper {
        min-height: 250px;
    }
}

@media (max-width: 480px) {
    .panel-title {
        font-size: 0.875rem;
    }

    .action-btn {
        width: 28px;
        height: 28px;
        font-size: 0.75rem;
    }

    .option-input,
    .option-select {
        font-size: 0.8125rem;
        padding: 0.4375rem 0.625rem;
    }

    .code-editor {
        font-size: 12px;
        padding: 0.75rem;
        min-height: 200px;
    }

    .editor-wrapper {
        min-height: 200px;
    }
}

/* Loading State */
@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Success Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.output-panel.has-content {
    animation: fadeIn 0.3s ease;
}

/* Scrollbar Styling */
.code-editor::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.code-editor::-webkit-scrollbar-track {
    background: var(--dart-surface-alt);
}

.code-editor::-webkit-scrollbar-thumb {
    background: var(--dart-border);
    border-radius: 4px;
}

.code-editor::-webkit-scrollbar-thumb:hover {
    background: var(--dart-text-muted);
}