:root{color-scheme:light;--bg: #f6f7fb;--card-bg: #ffffff;--primary: #3f37c9;--primary-hover: #342ead;--secondary: #4f5d75;--accent: #f3722c;--border: #d9deed;--text: #1c1c28;--muted: #6b6f80;--success: #2a9d8f;--error: #d62828;font-family:Inter,SF Pro Display,Segoe UI,sans-serif}*,*:before,*:after{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:16px;line-height:1.5}.container{max-width:1200px;margin:0 auto;padding:2.5rem 1.5rem 4rem;display:flex;flex-direction:column;gap:1.75rem}.header{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem}.header h1{margin:0;font-size:1.9rem;font-weight:700}.subtitle{margin:.25rem 0 0;color:var(--muted);max-width:720px}.card{background:var(--card-bg);border:1px solid var(--border);border-radius:16px;padding:1.75rem 2rem;box-shadow:0 12px 32px -24px #161a3959}.card h2{margin-top:0;margin-bottom:1.25rem;font-size:1.35rem}.form-grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-bottom:.75rem}.form-field{display:flex;flex-direction:column;gap:.4rem;font-size:.95rem}.form-field span{font-weight:600;color:var(--secondary)}.form-field input,.form-field select{padding:.65rem .75rem;border-radius:10px;border:1px solid var(--border);font-size:.95rem;transition:border-color .2s ease,box-shadow .2s ease;background-color:#fff}.form-field input:focus,.form-field select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #3f37c92e}.form-actions{display:flex;align-items:center;gap:.75rem}.primary-button,.secondary-button{border-radius:10px;padding:.7rem 1.25rem;font-size:.95rem;font-weight:600;cursor:pointer;transition:transform .15s ease,box-shadow .2s ease,background-color .2s ease;border:none}.primary-button{background:var(--primary);color:#fff;box-shadow:0 12px 24px -18px #3f37c9b3}.primary-button:hover{background:var(--primary-hover);transform:translateY(-1px)}.primary-button:disabled{background:#b4b6d9;cursor:wait;transform:none;box-shadow:none}.secondary-button{background:#4f5d7514;color:var(--secondary);border:1px solid rgba(79,93,117,.15)}.secondary-button:hover{background:#4f5d7526}.status-message{margin:.5rem 0 0;font-size:.9rem;color:var(--muted)}.status-message.success{color:var(--success)}.status-message.error{color:var(--error)}.metrics-container{display:flex;flex-direction:column;gap:1rem}.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem}.metric-card{border-radius:12px;border:1px solid var(--border);padding:1rem 1.2rem;background:linear-gradient(135deg,#3f37c90d,#3f37c903)}.metric-card.negative{background:linear-gradient(135deg,#d6282814,#d6282803)}.metric-label{font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--secondary)}.metric-value{display:block;margin-top:.4rem;font-size:1.6rem;font-weight:700}.metric-extra{margin-top:.85rem;padding-top:.85rem;border-top:1px dashed rgba(79,93,117,.25);font-size:.92rem;color:var(--secondary)}.metric-extra h3{margin:0 0 .35rem;font-size:.95rem;font-weight:600}.metric-extra p{margin:.2rem 0}.metric-extra ul{margin:.4rem 0 0;padding-left:1rem}.metric-extra li{margin:.15rem 0}.plot-placeholder{position:relative;width:100%;min-height:320px}.plot-placeholder>div.plotly-graph-div{width:100%!important;height:100%!important;display:block!important;margin:0!important}.placeholder{color:var(--muted);font-size:.95rem;text-align:center;display:flex;align-items:center;justify-content:center;width:100%;height:100%}@media (max-width: 720px){.container{padding:1.75rem 1rem 3rem}.card{padding:1.25rem 1.4rem}.form-actions{flex-direction:column;align-items:stretch}.header{flex-direction:column;align-items:flex-start}}