:root{
  --input-bg:rgba(28,41,66,0.7);
  --line-f:#B3D1FF;
}
body.light{
  --accent2:#3aaa86;
  --line-a:#5A91E8;--line-b:#E63939;--line-c:#3aaa86;--line-d:#b07a00;--line-e:#c45e7a;--line-f:#0052CC;
}
*{box-sizing:border-box;min-width:0;}
body{margin:0;overflow-x:hidden;font-family:'DM Sans',system-ui,sans-serif;color:var(--text);background:var(--bg);transition:background .25s,color .25s;}
.container{max-width:1440px;margin:0 auto;padding:24px;}
.card{background:var(--card-bg);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);}
.header{padding:22px 28px;margin-bottom:18px;display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:12px;}
h1{margin:0 0 4px;font-size:1.85rem;font-weight:800;letter-spacing:-.02em;}
h2{margin:0 0 10px;font-size:1.1rem;font-weight:700;}
h3{margin:0 0 8px;font-size:.88rem;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.06em;}
p,.muted{color:var(--muted);line-height:1.55;margin:0;}
.layout{display:grid;grid-template-columns:380px 1fr;gap:18px;}
.controls{padding:0;position:sticky;top:16px;align-self:start;overflow:hidden;max-height:calc(100vh - 32px);overflow-y:auto;}
.controls::-webkit-scrollbar{width:4px;}
.controls::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px;}
.btn-theme{background:var(--input-bg);border:1px solid var(--border);color:var(--muted);border-radius:10px;padding:8px 14px;font-size:.85rem;font-weight:600;cursor:pointer;transition:all .15s;white-space:nowrap;}
.btn-theme:hover{border-color:var(--accent);color:var(--text);}
.btn-back{text-decoration:none;display:inline-flex;align-items:center;}
.header-right{display:flex;gap:8px;flex-shrink:0;flex-wrap:wrap;align-items:center;}
.ctrl-tabs{display:flex;border-bottom:1px solid var(--border);}
.ctrl-tab{flex:1;padding:13px 6px;text-align:center;font-weight:700;font-size:.82rem;cursor:pointer;color:var(--muted);background:transparent;border:none;border-bottom:2px solid transparent;margin-bottom:-1px;transition:all .15s;}
.ctrl-tab.active{color:var(--text);border-bottom-color:var(--accent);}
.ctrl-panel{display:none;padding:16px 18px 20px;}
.ctrl-panel.active{display:block;}
.field-row{display:flex;flex-direction:column;gap:5px;padding:10px 0 14px;border-top:1px solid var(--border);}
.field-row:first-of-type{border-top:none;}
.field-label{font-weight:700;font-size:.88rem;}
.field-sub{color:var(--muted);font-size:.78rem;line-height:1.35;margin-top:2px;}
.num-input,.sel-input{background:var(--input-bg);border:1.5px solid var(--border);border-radius:10px;color:var(--text);font-size:.9rem;font-weight:600;padding:10px 13px;width:100%;outline:none;transition:border-color .15s;font-family:inherit;}
.num-input:focus,.sel-input:focus{border-color:var(--accent);}
.sel-input{cursor:pointer;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23a8b4d4'%3E%3Cpath d='M2 4l4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;}
.sel-input option{background:#162033;color:#EAF1FF;}
body.light .sel-input option{background:#FFFFFF;color:#2D3436;}
.slider-block{padding:12px 0 16px;border-top:1px solid var(--border);}
.slider-block:first-of-type{border-top:none;padding-top:4px;}
.slider-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:7px;}
.slider-label{font-weight:700;font-size:.88rem;}
.slider-value{color:var(--gold);font-weight:700;font-variant-numeric:tabular-nums;font-size:.88rem;font-family:'DM Mono',monospace;cursor:text;}
input[type=range]{width:100%;accent-color:var(--accent);cursor:pointer;}
.slider-val-edit{display:none;width:5em;background:transparent;border:none;border-bottom:1.5px solid var(--gold);color:var(--gold);font-weight:700;font-size:.88rem;font-variant-numeric:tabular-nums;font-family:'DM Mono',monospace;text-align:right;outline:none;padding:0 1px;}
.help{color:var(--muted);font-size:.78rem;margin-top:5px;line-height:1.4;}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;padding:14px 18px 18px;border-top:1px solid var(--border);}
.btn-primary{background:var(--accent);color:white;border:none;border-radius:10px;padding:11px 16px;font-weight:600;cursor:pointer;font-size:.88rem;transition:opacity .15s;font-family:inherit;}
.btn-primary:hover{opacity:.85;}
.btn-secondary{background:var(--input-bg);color:var(--text);border:1px solid var(--border);border-radius:10px;padding:11px 16px;font-weight:600;cursor:pointer;font-size:.88rem;transition:border-color .15s;font-family:inherit;}
.btn-secondary:hover{border-color:var(--accent);}
.btn-sm{padding:6px 12px;font-size:.8rem;border-radius:8px;}
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px;}
.metric{padding:18px 20px;}
.metric .label{color:var(--muted);font-size:.84rem;margin-bottom:6px;}
.metric .value{font-size:1.3rem;font-weight:800;letter-spacing:-.02em;font-family:'DM Mono','DM Sans',monospace;}
.metric .sub{color:var(--muted);font-size:.78rem;margin-top:4px;}
.chart-card{padding:20px;margin-bottom:18px;}
.legend{display:flex;gap:16px;flex-wrap:wrap;margin:10px 0 14px;font-size:.86rem;}
.legend-item{display:flex;align-items:center;gap:8px;}
.dot{width:12px;height:12px;border-radius:999px;flex-shrink:0;}
.canvas-wrap{position:relative;width:100%;height:420px;border:1px solid var(--border);border-radius:14px;overflow:hidden;background:linear-gradient(180deg,rgba(255,255,255,.015),rgba(255,255,255,0));}
body.light .canvas-wrap{background:linear-gradient(180deg,rgba(0,0,0,.015),rgba(0,0,0,0));}
.hover-box{margin-top:10px;color:var(--muted);font-size:.86rem;min-height:22px;}
.scenario-list{display:flex;flex-direction:column;gap:8px;margin-bottom:12px;}
.scenario-card{background:var(--input-bg);border:1px solid var(--border);border-radius:10px;padding:12px;cursor:pointer;transition:border-color .15s;}
.scenario-card:hover{border-color:rgba(255,255,255,.15);}
body.light .scenario-card:hover{border-color:rgba(0,0,0,.2);}
.scenario-card.active{border-color:var(--accent);background:rgba(141,187,255,.08);}
.scenario-card .sc-header{display:flex;justify-content:space-between;align-items:center;gap:8px;}
.scenario-card .sc-name{font-weight:700;font-size:.9rem;display:flex;align-items:center;gap:8px;}
.scenario-card .sc-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0;}
.scenario-card .sc-actions{display:flex;gap:4px;}
.scenario-card .sc-summary{color:var(--muted);font-size:.78rem;margin-top:6px;line-height:1.4;}
.sc-btn{background:transparent;border:1px solid var(--border);color:var(--muted);border-radius:6px;padding:3px 7px;font-size:.72rem;cursor:pointer;transition:all .15s;font-family:inherit;}
.sc-btn:hover{border-color:var(--accent);color:var(--text);}
.sc-btn.del:hover{border-color:var(--negative-em);color:var(--negative-em);}
.warning{margin:0 18px 14px;padding:10px 13px;border-radius:10px;background:rgba(255,210,140,.15);border:1px solid rgba(255,210,140,.3);color:var(--gold);display:none;font-size:.82rem;line-height:1.5;}
body.light .warning{background:#FFF0D9;border-color:rgba(176,122,0,.2);color:#7A4A00;}
.neg-carry{margin:0 18px 14px;padding:10px 13px;border-radius:10px;background:rgba(255,139,139,.1);border:1px solid rgba(255,139,139,.2);color:var(--negative-em);display:none;font-size:.82rem;line-height:1.5;}
body.light .neg-carry{background:#FDECEC;border-color:#F3A5A5;color:#E63939;}
table{width:100%;border-collapse:collapse;font-variant-numeric:tabular-nums;font-size:.84rem;}
th,td{padding:9px 7px;border-bottom:1px solid var(--border);text-align:right;white-space:nowrap;}
th:first-child,td:first-child{text-align:left;white-space:normal;}
th{color:var(--muted);font-size:.78rem;font-weight:600;position:sticky;top:0;background:var(--bg);z-index:1;}
.table-wrap{overflow:auto;max-height:450px;}
tr:hover td{background:rgba(255,255,255,.03);}
body.light tr:hover td{background:rgba(0,0,0,.03);}
.detail-section{padding:20px;margin-top:18px;}
.tab-bar{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap;}
.csv-btn-row{display:flex;justify-content:flex-end;margin-bottom:14px;}
.tab-btn{background:var(--input-bg);border:1px solid var(--border);border-radius:10px;padding:8px 14px;color:var(--muted);font-weight:700;font-size:.82rem;cursor:pointer;transition:all .15s;font-family:inherit;}
.tab-btn.active{color:var(--text);border-color:var(--accent);background:rgba(141,187,255,.1);}
.field-group{border:1px solid var(--border);border-radius:12px;padding:0 14px 6px;margin-top:14px;background:var(--bg-subtle);}
.field-group>.field-row{border-top:1px solid var(--border);}
.group-title{font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.07em;color:var(--accent);padding:10px 0 2px;}
.inline-row{display:flex;gap:8px;align-items:center;}
.inline-row .num-input{flex:1;}
.inline-row .sel-input{width:auto;min-width:80px;}
.toggle-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-top:1px solid var(--border);}
.toggle-label{font-weight:700;font-size:.88rem;flex:1;}
.toggle{position:relative;width:42px;height:24px;flex-shrink:0;}
.toggle input{opacity:0;width:0;height:0;}
.toggle .slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background:var(--input-bg);border:1px solid var(--border);border-radius:12px;transition:.2s;}
.toggle .slider:before{content:'';position:absolute;height:18px;width:18px;left:2px;bottom:2px;background:var(--muted);border-radius:50%;transition:.2s;}
.toggle input:checked+.slider{background:rgba(141,187,255,.25);border-color:var(--accent);}
.toggle input:checked+.slider:before{transform:translateX(18px);background:var(--accent);}
.surface-wrap{width:100%;height:520px;border:1px solid var(--border);border-radius:16px;overflow:hidden;}
.mode-tabs{display:inline-flex;background:var(--input-bg);border:1px solid var(--border);border-radius:10px;padding:3px;gap:2px;margin-top:12px;}
.mode-tab{background:transparent;border:none;border-radius:7px;padding:5px 14px;color:var(--muted);font-weight:600;font-size:.85rem;cursor:pointer;transition:all 140ms;font-family:inherit;white-space:nowrap;}
.mode-tab.active{background:var(--accent-strong);color:#fff;box-shadow:var(--shadow-sm);}
.mode-tab:hover:not(.active){color:var(--text);}
.page-footer{max-width:1400px;margin:0 auto;padding:0 24px 24px;}
.page-footer-info p:last-child{margin-bottom:0;}
/* Metric card tooltip */
.metric .label{display:flex;align-items:center;gap:5px;}
@media(max-width:900px){
  .layout,.metrics{grid-template-columns:1fr;}
  .controls{position:static;max-height:none;}
  .canvas-wrap{height:380px!important;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .header{flex-direction:column;gap:12px;}
}
@media(max-width:600px){
  h1{font-size:1.35rem;}
  .container{padding:10px;}
  .metrics{grid-template-columns:1fr;}
  .btn-row{flex-direction:column;}
}