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

body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.app-header {
    background-color: rgb(0, 120, 100);
    color: white;
    padding: 1rem;
    text-align: center;
}

.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
    min-width: 0;
}

.contours-panel {
    width: 300px;
    min-width: 300px;
    max-width: 300px;
    background-color: #ecf0f1;
    padding: 1rem;
    border-right: 2px solid #bdc3c7;
    overflow-y: auto;
    overflow-x: hidden;
    flex-shrink: 0;
    height: 100%;
}

.contours-panel h2 {
    margin-bottom: 1rem;
    color: #2c3e50;
}

.size-controls {
    margin-bottom: 1rem;
    padding: 0.5rem;
    background: #fff;
    border-radius: 4px;
}

.size-controls label {
    display: block;
    margin-bottom: 0.5rem;
}

.size-controls input {
    width: 80px;
    padding: 0.25rem;
    margin-left: 0.5rem;
}

.tool-buttons {
    margin: 1rem 0;
}

.tool-button {
    width: 100%;
    padding: 0.5rem;
    background-color: #e74c3c;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-bottom: 0.5rem;
}

.tool-button:hover:not(:disabled) {
    background-color: #c0392b;
}

.tool-button:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
}

.export-button {
    background-color: #27ae60;
    margin-top: 1rem;
}

.export-button:hover {
    background-color: #229954;
}


.workspace {
    flex: 1;
    padding: 1rem;
    background-color: white;
    min-width: 0;
    overflow: auto;
}

.canvas-scroll-container {
    width: 100%;
    height: 100%;
    overflow: auto;
    border: 2px dashed #bdc3c7;
    background-color: #fafafa;
}

.canvas-scroll-container::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

.canvas-scroll-container::-webkit-scrollbar-thumb {
    background-color: #bdc3c7;
    border-radius: 5px;
}

.canvas-container {
    position: relative;
}

#workspaceCanvas {
    display: block;
}

/* Скрываем скроллбар для эстетики */
.contours-panel::-webkit-scrollbar {
    width: 6px;
}

.contours-panel::-webkit-scrollbar-thumb {
    background-color: #bdc3c7;
    border-radius: 3px;
}

.contour-item {
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    background-color: white;
    border: 1px solid #bdc3c7;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
}

.contour-item:hover {
    background-color: #3498db;
    color: white;
    border-color: #2980b9;
}

.contour-item:active {
    transform: translateY(1px);
}

.contours-list {
    max-height: 400px;
    overflow-y: auto;

}

/* === СТРОКА СОСТОЯНИЯ === */
.status-bar {
    height: 36px;
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    font-size: 14px;
    border-top: 1px solid #34495e;
    user-select: none;
    flex-shrink: 0;
    z-index: 10;
}

.status-bar strong {
    color: #1abc9c;
    margin-right: 12px;
    font-weight: 600;
}