:root{color-scheme:light;--bg:#f3f5f4;--panel:#fff;--panel-soft:#edf7f3;--text:#14211f;--muted:#60706b;--line:#d7e1dd;--primary:#176b5b;--primary-strong:#0d4e43;--primary-soft:#dff0ea;--accent:#c76634;--accent-soft:#fff0e8;--danger:#b42318;--shadow:0 20px 55px rgba(29,47,42,.1)}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at top left,rgba(23,107,91,.14),transparent 32rem),radial-gradient(circle at top right,rgba(199,102,52,.12),transparent 28rem),var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif}button,input,select{font:inherit}button{border:0;cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}.page{min-height:100vh}.hero{background:linear-gradient(135deg,#fbfffd,#eef7f3 55%,#fff4ed);border-bottom:1px solid var(--line)}.hero-inner{max-width:1600px;margin:0 auto;padding:34px 22px 30px;display:grid;grid-template-columns:minmax(0,1fr) 340px;grid-gap:28px;gap:28px;align-items:end}.hero h1{max-width:790px;margin:8px 0 10px;font-size:36px;line-height:1.15;letter-spacing:0}.hero p{max-width:760px;margin:0;color:var(--muted);font-size:17px;line-height:1.6}.hero-card{background:hsla(0,0%,100%,.72);border:1px solid rgba(23,107,91,.2);border-radius:8px;box-shadow:var(--shadow);padding:20px}.hero-card strong{display:block;color:var(--primary-strong);font-size:24px;margin-bottom:8px}.hero-card span{color:var(--muted);line-height:1.5}.main{max-width:1600px;margin:0 auto;padding:24px 22px 56px}.eyebrow{color:var(--primary-strong);display:inline-block;font-size:12px;font-weight:800;letter-spacing:.08em;margin-bottom:8px;text-transform:uppercase}.stepper{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));grid-gap:10px;gap:10px;margin-bottom:22px}.step{background:hsla(0,0%,100%,.78);border:1px solid var(--line);border-radius:8px;color:var(--text);min-height:74px;padding:12px;display:flex;align-items:center;gap:10px;text-align:left}.step.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 14px 28px rgba(23,107,91,.22)}.step.done{background:var(--primary-soft);border-color:rgba(23,107,91,.35)}.step-number{width:34px;height:34px;flex:0 0 34px;border-radius:999px;display:grid;place-items:center;background:#fff;color:var(--primary-strong);font-weight:800}.step small,.step strong{display:block}.step small{color:inherit;opacity:.72;margin-top:3px}.panel{background:hsla(0,0%,100%,.9);border:1px solid var(--line);border-radius:8px;box-shadow:0 10px 30px rgba(20,33,31,.06);padding:20px}.panel-head{display:flex;justify-content:space-between;gap:14px;align-items:start;margin-bottom:14px}.section-title{margin:0;font-size:20px;line-height:1.25}.upload-layout{grid-template-columns:minmax(0,1fr) 360px;align-items:start}.upload-layout,.upload-results{display:grid;grid-gap:18px;gap:18px}.upload-results{grid-column:1/-1}.upload-form{grid-template-columns:minmax(260px,1fr) 190px;grid-gap:14px}.forecast-form,.upload-form{display:grid;gap:14px;align-items:end}.forecast-form{grid-template-columns:minmax(220px,320px) 190px;grid-gap:14px}.field{display:grid;grid-gap:8px;gap:8px}.drop-zone span,.field span{color:var(--muted);font-size:14px}.field input,.field select{min-height:48px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text);padding:10px 12px}.drop-zone{min-height:96px;border:1px dashed rgba(23,107,91,.45);border-radius:8px;background:linear-gradient(135deg,#fff,#f1faf6);color:var(--text);display:grid;grid-gap:8px;gap:8px;padding:16px}.drop-zone strong{font-size:18px}.drop-zone input{max-width:100%}.primary-button{min-height:48px;border-radius:8px;background:var(--primary);color:#fff;padding:0 18px;font-weight:800}.primary-button:hover{background:var(--primary-strong)}.reset-button{display:inline-flex;align-items:center;gap:6px;min-height:36px;border:1.5px solid var(--primary);border-radius:8px;background:transparent;color:var(--primary-strong);padding:0 14px;font-size:13px;font-weight:700;white-space:nowrap;transition:background .18s,color .18s}.reset-button:hover{background:var(--primary-soft);color:var(--primary-strong)}.error{margin:14px 0 0;color:var(--danger);background:#fff1f0;border:1px solid #ffd1cc;border-radius:8px;padding:10px 12px}.process-note{margin-top:14px;background:var(--accent-soft);border:1px solid #f6d0bc;border-radius:8px;color:#6b341a;padding:12px 14px;display:grid;grid-gap:4px;gap:4px}.flow-card{background:#14211f;border-radius:8px;box-shadow:var(--shadow);color:#fff;padding:22px}.flow-card h2{margin:0 0 16px;font-size:20px}.flow-list{display:grid;grid-gap:14px;gap:14px}.flow-item{display:grid;grid-template-columns:34px 1fr;grid-gap:12px;gap:12px;align-items:start}.flow-item span{width:34px;height:34px;display:grid;place-items:center;border-radius:999px;background:hsla(0,0%,100%,.1);color:#fff;font-weight:800}.flow-item p,.flow-item strong{display:block;margin:0}.flow-item p{color:hsla(0,0%,100%,.68);margin-top:3px}.result-shell{display:grid;grid-template-columns:240px minmax(0,1fr);grid-gap:18px;gap:18px;align-items:start}.side-panel{background:hsla(0,0%,100%,.88);border:1px solid var(--line);border-radius:8px;box-shadow:0 10px 30px rgba(20,33,31,.06);padding:16px;position:-webkit-sticky;position:sticky;top:18px}.product-list{display:grid;grid-gap:8px;gap:8px}.product-row{width:100%;border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:#fff;color:var(--text);text-align:left}.product-row.active{border-color:var(--primary);background:var(--primary-soft);color:var(--primary-strong);font-weight:800}.stack,.stage-area{display:grid;grid-gap:18px;gap:18px}.stage-title{background:#fff;border:1px solid var(--line);border-left:5px solid var(--primary);border-radius:8px;padding:20px}.stage-title h2{margin:0 0 8px;font-size:26px}.stage-title p{margin:0;color:var(--muted);line-height:1.6}.cache-badge{display:inline-flex;margin-top:14px;border-radius:999px;padding:8px 12px;font-size:13px;font-weight:800}.cache-badge.hit{background:var(--primary-soft);color:var(--primary-strong)}.cache-badge.miss{background:var(--accent-soft);color:#7a3a18}.metrics{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:14px;gap:14px}.metric{background:#fff;border:1px solid var(--line);border-radius:8px;padding:16px}.metric span{color:var(--muted);font-size:13px}.metric strong{display:block;margin-top:8px;font-size:28px;color:var(--primary-strong)}.metric-date{font-size:16px!important;line-height:1.35}.model-run{display:grid;grid-template-columns:minmax(0,1fr) 220px;grid-gap:18px;gap:18px;align-items:center}.model-run p{color:var(--muted);line-height:1.6;margin:0}.two-col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:18px;gap:18px}.chart-wrap{width:100%;overflow:hidden}.chart{width:100%;height:auto;display:block}.preprocessing-stack{display:grid;grid-template-columns:1fr;grid-gap:26px;gap:26px}.preprocessing-chart-block h3{margin:0 0 10px;font-size:17px;font-weight:600}.preprocessing-separator{border:0;border-top:1px solid var(--line);margin:10px 0}.acf-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:18px;gap:18px}.acf-chart{border:1px solid var(--line);border-radius:8px;padding:14px 14px 6px;background:#fff}.acf-chart h3{margin:0 0 10px;font-size:16px;font-weight:500;text-align:center}.legend{display:flex;gap:18px;margin-top:10px;color:var(--muted);font-size:14px}.legend span{display:inline-flex;gap:6px;align-items:center}.dot{width:10px;height:10px;border-radius:999px}.dot.actual{background:var(--primary)}.dot.forecast{background:var(--accent)}.bar-list{display:grid;grid-gap:12px;gap:12px}.bar-row{display:grid;grid-gap:7px;gap:7px}.bar-meta{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:14px}.bar-meta strong{color:var(--text)}.bar-track{height:12px;border-radius:999px;background:#edf1ef;overflow:hidden}.bar-fill{height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),var(--accent))}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;min-width:640px}td,th{border-bottom:1px solid var(--line);padding:11px 9px;text-align:left;font-size:14px;vertical-align:top}th{font-weight:800;background:#f8fbfa}.empty,th{color:var(--muted)}.empty{padding:14px 0}@media (max-width:980px){.acf-grid,.forecast-form,.hero-inner,.metrics,.model-run,.preprocessing-stack,.result-shell,.stepper,.two-col,.upload-form,.upload-layout{grid-template-columns:1fr}.side-panel{position:static}.hero h1{font-size:30px}}.bar-item{transition:transform .25s cubic-bezier(.4,0,.2,1),opacity .25s ease;transform-origin:bottom;cursor:pointer}.bar-item:hover{opacity:.88;transform:scaleY(1.02)}.bar-group{cursor:pointer}.bar-value-text{opacity:0;transform:translateY(4px);transition:opacity .2s cubic-bezier(.4,0,.2,1),transform .2s cubic-bezier(.4,0,.2,1);pointer-events:none}.bar-group:hover .bar-value-text{opacity:1;transform:translateY(0)}