* { box-sizing: border-box; font-family: 'Segoe UI', sans-serif; }
body { background: #1e2b4a; margin: 0; padding: 20px; display: flex; justify-content: center; }
.container { max-width: 1600px; width: 100%; background: #f8faff; border-radius: 30px; padding: 25px; box-shadow: 0 20px 40px rgba(0,0,0,0.5); }
h1 { color: #0f2b4f; border-left: 8px solid #3b7fbd; padding-left: 20px; }
.toolbar { background: #e5ecf5; border-radius: 20px; padding: 20px; margin: 20px 0; display: flex; flex-wrap: wrap; gap: 15px; align-items: center; }
.btn { background: #2c5f8a; color: white; border: none; padding: 12px 24px; border-radius: 40px; cursor: pointer; font-weight: 600; }
.btn:hover { background: #1e4668; }
.file-label { background: #4a6f8e; color: white; padding: 12px 24px; border-radius: 40px; cursor: pointer; }
#fileInput { display: none; }
.param-panel { background: white; border-radius: 20px; padding: 20px; margin: 20px 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); gap: 15px; }
.param-item { display: flex; flex-direction: column; }
.param-item label { font-weight: 600; margin-bottom: 5px; }
.param-item input, .param-item select { padding: 10px; border: 2px solid #ccc; border-radius: 12px; font-size: 1rem; }
.plot-container { background: white; border-radius: 20px; padding: 20px; margin: 20px 0; }
#heatmap { width: 100%; height: 500px; }
.info { background: #d9eafb; border-radius: 16px; padding: 15px; margin: 15px 0; }
.table-container { max-height: 400px; overflow-y: auto; border: 1px solid #ccc; border-radius: 16px; background: white; margin-top: 20px; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th { background: #1e3a5f; color: white; position: sticky; top: 0; padding: 12px; }
td { padding: 8px; border-bottom: 1px solid #ddd; text-align: center; }
.export-btn { background: #27ae60; color: white; border: none; padding: 10px 20px; border-radius: 40px; cursor: pointer; margin-left: 10px; }
.export-btn:hover { background: #1e8449; }
.footer {
    text-align: center;
    margin-top: 30px;
    padding: 15px;
    font-size: 0.9rem;
    color: #2c3e50;
    border-top: 1px solid #a0b8cc;
}