/**
 * Main Editor Styles
 */

:root {
    --primary: #2c3e50;
    --secondary: #34495e;
    --background: #ffffff;
    --border: #dee2e6;
    --grid-color: #e0e0e0;
    --sidebar-width: 250px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    overflow-y: auto;
    overflow-x: hidden;
    margin: 0;
    padding: 0;
}

/* Main Editor Container */
.editor-container {
    display: grid;
    grid-template-columns: auto 4px 1fr;
    grid-template-rows: minmax(400px, 60vh) 4px auto;
    min-height: 100vh;
    background-color: var(--background);
    gap: 0;
}

/* Component Palette (Left Sidebar) */
.component-palette {
    grid-row: 1;
    grid-column: 1;
    width: var(--sidebar-width);
    min-width: 200px;
    background-color: #f8f9fa;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.palette-header {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    background-color: white;
}

.palette-header h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

.palette-buttons {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.palette-category {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.palette-category h6 {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: #6c757d;
    margin: 0;
    padding: 0 0.25rem;
    letter-spacing: 0.5px;
}

.btn-add-component {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background-color: white;
    border: 2px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
    font-weight: 500;
}

.btn-add-component:hover {
    border-color: #007bff;
    background-color: #f0f8ff;
    box-shadow: 0 2px 8px rgba(0, 123, 255, 0.2);
    transform: translateY(-2px);
}

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

.btn-add-component svg {
    display: block;
}

/* Resizers */
.resizer {
    background-color: var(--border);
    position: relative;
}

.vertical-resizer {
    width: 4px;
    cursor: col-resize;
    transition: background-color 0.2s;
}

.vertical-resizer:hover,
.vertical-resizer.resizing {
    background-color: #007bff;
}

.horizontal-resizer {
    height: 4px;
    cursor: row-resize;
    transition: background-color 0.2s;
}

.horizontal-resizer:hover,
.horizontal-resizer.resizing {
    background-color: #007bff;
}

/* Main Content Area */
.component-chain-container {
    grid-row: 1;
    grid-column: 3;
    display: flex;
    flex-direction: column;
    overflow: visible;
    min-width: 400px;
    min-height: 400px;
}

.workspace-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: visible;
    min-height: 400px;
}

/* Results Panel (Bottom - Full Width) */
.results-panel {
    background-color: #f8f9fa;
    display: flex;
    flex-direction: column;
    min-height: 300px;
    overflow: visible;
    padding: 1rem;
}

.results-header {
    padding: 0.75rem 1rem;
    background-color: white;
    border: 1px solid var(--border);
    border-radius: 6px;
    margin-bottom: 1rem;
}

.results-header h3 {
    font-size: 1.1rem;
    margin: 0;
    color: var(--primary);
}

.results-content {
    padding: 1rem;
    overflow: visible;
    background-color: white;
    border: 1px solid var(--border);
    border-radius: 6px;
    margin-bottom: 1rem;
}

.smith-chart-container {
    padding: 2rem;
    background-color: white;
    border: 1px solid var(--border);
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.smith-chart-header {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.smith-chart-header h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
}

.smith-chart-container canvas {
    border: 2px solid var(--border);
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    display: block;
    margin: 0 auto;
    max-width: 100%;
    height: auto;
}

.property-group {
    margin-bottom: 1rem;
}

.property-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--secondary);
}

.property-group input,
.property-group select {
    width: 100%;
}

/* Simulation Results */
.result-section {
    margin-bottom: 1rem;
    padding: 0.75rem;
    background-color: white;
    border: 1px solid var(--border);
    border-radius: 6px;
}

.result-section h6 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.result-value {
    font-size: 1rem;
    font-weight: 500;
    color: var(--primary);
    font-family: 'Courier New', monospace;
}

.result-stage {
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    background-color: #f8f9fa;
    border-left: 3px solid #007bff;
    border-radius: 4px;
}

.result-stage:last-child {
    margin-bottom: 0;
}


/* Mobile Responsiveness */
@media (max-width: 768px) {
    .editor-container {
        display: flex;
        flex-direction: column;
        min-height: 100vh;
    }

    .component-palette {
        width: 100% !important;
        height: auto;
        max-height: 250px;
        overflow-y: auto;
        border-right: none;
        border-bottom: 2px solid var(--border);
        order: 1;
    }

    .palette-buttons {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .palette-category {
        grid-column: 1 / -1;
    }

    .btn-add-component {
        padding: 0.75rem;
        font-size: 0.85rem;
    }

    .vertical-resizer {
        display: none;
    }

    .horizontal-resizer {
        display: none;
    }

    .component-chain-container {
        width: 100%;
        order: 2;
        min-height: 300px;
    }

    .canvas-toolbar {
        flex-wrap: wrap;
        padding: 0.5rem;
    }

    .toolbar-controls {
        width: 100%;
        margin-top: 0.5rem;
        justify-content: flex-start;
    }

    .toolbar-controls label {
        font-size: 0.85rem;
    }

    .toolbar-controls input {
        width: 60px !important;
    }

    .component-chain {
        gap: 0.75rem;
        padding: 0.75rem;
    }

    .component-block {
        min-width: 120px;
        padding: 0.75rem;
    }

    .results-panel {
        order: 3;
        padding: 0.75rem;
        min-height: auto;
    }

    .smith-chart-container {
        padding: 1rem;
    }

    .results-content {
        font-size: 0.9rem;
    }

    .result-section {
        padding: 0.5rem;
        margin-bottom: 0.5rem;
    }

    /* Make buttons touch-friendly */
    .btn {
        min-height: 44px;
        padding: 0.5rem 1rem;
    }

    .btn-sm {
        min-height: 38px;
        font-size: 0.85rem;
    }

    .btn-delete-component {
        width: 32px;
        height: 32px;
        top: -10px;
        right: -10px;
    }
}