/* Engineering Tool Aesthetic - Inspired by Simulink/LabVIEW */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    background-color: #2d3748;
    color: #e2e8f0;
    overflow: hidden;
}

/* Main Layout Grid */
.main-container {
    display: grid;
    grid-template-areas: 
        "header header header"
        "sidebar canvas properties"
        "status status status";
    grid-template-rows: 40px 1fr 24px;
    grid-template-columns: 280px 1fr 280px;
    height: 100vh;
}

/* Header Bar */
.header {
    grid-area: header;
    background: linear-gradient(to bottom, #4a5568, #2d3748);
    border-bottom: 1px solid #1a202c;
    display: flex;
    align-items: center;
    padding: 0 12px;
    font-size: 14px;
    font-weight: bold;
}

.header .title {
    color: #63b3ed;
}

.header .spacer {
    flex: 1;
}

.header .status {
    color: #68d391;
    font-size: 12px;
}

/* Status Bar */
.status-bar {
    grid-area: status;
    background: linear-gradient(to bottom, #2d3748, #1a202c);
    border-top: 1px solid #4a5568;
    display: flex;
    align-items: center;
    padding: 0 12px;
    font-size: 11px;
}

.status-item {
    margin-right: 20px;
    color: #a0aec0;
}

.status-ready {
    color: #68d391;
}

.status-error {
    color: #f56565;
}