:root {
    --bg-color: #0f172a;
    --surface-color: #1e293b;
    --surface-hover: #334155;
    --border-color: #334155;
    --text-primary: #f8fafc;
    --text-muted: #94a3b8;

    --primary-color: #8b5cf6;
    --primary-hover: #7c3aed;
    --danger-color: #ef4444;

    --radius: 8px;
    --font: 'Inter', system-ui, sans-serif;
    --transition: all 0.2s ease;
}

.light-theme {
    --bg-color: #f8fafc;
    --surface-color: #ffffff;
    --surface-hover: #f1f5f9;
    --border-color: #e2e8f0;
    --text-primary: #0f172a;
    --text-muted: #64748b;
    --primary-color: #7c3aed;
    --primary-hover: #6d28d9;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font);
    line-height: 1.5;
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.w-full {
    width: 100%;
}

/* Layout */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.app-header {
    height: 60px;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--primary-color);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.sidebar {
    width: 320px;
    background-color: var(--surface-color);
    border-right: 1px solid var(--border-color);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.workspace {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-color);
    overflow: hidden;
}

.workspace-header {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.workspace-header h2 {
    font-size: 1.1rem;
    font-weight: 500;
}

.export-actions {
    display: flex;
    gap: 0.75rem;
}

.preview-container {
    flex: 1;
    overflow: auto;
    padding: 1.5rem;
}

/* UI Elements */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    font-family: var(--font);
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--border-color);
    color: var(--text-primary);
}

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

.icon-btn,
.icon-btn-small {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    transition: var(--transition);
}

.icon-btn {
    padding: 0.5rem;
}

.icon-btn:hover {
    color: var(--text-primary);
    background-color: var(--surface-hover);
}

.icon-btn-small {
    width: 24px;
    height: 24px;
    font-size: 1.1rem;
    line-height: 1;
    background-color: var(--surface-hover);
}

.icon-btn-small:hover {
    background-color: var(--primary-color);
    color: white;
}

.icon-btn-small.danger:hover {
    background-color: var(--danger-color);
    color: white;
}

/* Forms */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 1rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
}

input[type="text"],
input[type="number"],
select {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem;
    border-radius: var(--radius);
    font-family: var(--font);
    font-size: 0.9rem;
    transition: var(--transition);
    outline: none;
    width: 100%;
}

input:focus,
select:focus {
    border-color: var(--primary-color);
}

.export-select {
    width: auto;
    background-color: var(--surface-color);
}

/* Fields List (Schema) */
.sidebar-header h3 {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.fields-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.field-item {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.field-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

/* Table View */
.view-panel {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.table-wrapper {
    overflow: auto;
    flex: 1;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    font-family: monospace;
}

.data-table th,
.data-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.data-table th {
    background-color: var(--surface-hover);
    color: var(--text-muted);
    font-weight: 500;
    position: sticky;
    top: 0;
    z-index: 10;
}

.data-table tr:hover {
    background-color: rgba(139, 92, 246, 0.05);
}