:root{--bg:#f6f7fb;--panel:#fff;--panel2:#f1f4f9;--ink:#0f172a;--muted:#64748b;--line:#e3e8f0;--accent:#2563eb;--accent-ink:#fff;--accent-soft:#e8efff;--ok:#059669;--warn:#b45309;--bad:#dc2626;--shadow:0 1px 2px rgba(15,23,42,.06),0 8px 24px rgba(15,23,42,.06);--r:14px;
--p-GM:#7c3aed;--p-SC:#2563eb;--p-OA:#0891b2;--p-HR:#db2777;--p-BP:#ea580c;color-scheme:light}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0b1020;--panel:#121a2e;--panel2:#18223a;--ink:#e6ebf5;--muted:#93a0b8;--line:#25304a;--accent:#5b8cff;--accent-soft:#1c2a4d;--shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);color-scheme:dark}}
:root[data-theme=dark]{--bg:#0b1020;--panel:#121a2e;--panel2:#18223a;--ink:#e6ebf5;--muted:#93a0b8;--line:#25304a;--accent:#5b8cff;--accent-soft:#1c2a4d;--shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.25);color-scheme:dark}
*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.2;margin:0 0 .5em}h1{font-size:1.6rem}h2{font-size:1.2rem}h3{font-size:1rem}
.muted{color:var(--muted)}.small{font-size:.85rem}.right{text-align:right}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.grow{flex:1}.spacer{flex:1}
header.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:14px;padding:10px 20px;background:color-mix(in srgb,var(--panel) 88%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--ink)}.brand img{width:28px;height:28px}.brand small{display:block;font-weight:500;color:var(--muted);font-size:.75rem}
nav.main a{padding:8px 12px;border-radius:10px;color:var(--muted);font-weight:600}nav.main a.on,nav.main a:hover{background:var(--accent-soft);color:var(--accent);text-decoration:none}
main{max-width:1180px;margin:0 auto;padding:22px 20px 80px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:18px}
.grid{display:grid;gap:14px}.g2{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}.g3{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
button,.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--panel);color:var(--ink);padding:9px 14px;border-radius:10px;font:inherit;font-weight:600;cursor:pointer;min-height:40px;text-decoration:none!important}
button:hover,.btn:hover{border-color:var(--accent)}button.primary,.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}button.ghost{background:transparent;border-color:transparent}button.danger{color:var(--bad)}
button:disabled{opacity:.55;cursor:default}button.sm{min-height:32px;padding:5px 10px;font-size:.85rem}
input,select,textarea{width:100%;font:inherit;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:9px 11px;min-height:40px}
textarea{min-height:76px;resize:vertical}input:focus,select:focus,textarea:focus{outline:2px solid color-mix(in srgb,var(--accent) 45%,transparent);border-color:var(--accent)}
label.f{display:block;margin:0 0 12px}label.f>span{display:block;font-size:.8rem;font-weight:600;color:var(--muted);margin-bottom:4px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:14px 0 18px;overflow-x:auto}.tabs a{padding:10px 14px;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap}.tabs a.on{color:var(--accent);border-color:var(--accent);text-decoration:none}
table{width:100%;border-collapse:collapse}td,th{padding:9px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
tr.click{cursor:pointer}tr.click:hover td{background:var(--panel2)}
.pill{display:inline-block;padding:2px 9px;border-radius:999px;font-size:.75rem;font-weight:700;background:var(--panel2);color:var(--muted)}
.pill.high{background:#fee2e2;color:#991b1b}.pill.medium{background:#fef3c7;color:#92400e}.pill.low{background:#dcfce7;color:#166534}
.private{border-left:4px solid var(--warn);background:color-mix(in srgb,var(--warn) 7%,var(--panel))}.private-tag{font-size:.72rem;font-weight:800;letter-spacing:.06em;color:var(--warn);text-transform:uppercase}
.code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.8rem;font-weight:700;padding:2px 6px;border-radius:6px;color:#fff}
.code.GM{background:var(--p-GM)}.code.SC{background:var(--p-SC)}.code.OA{background:var(--p-OA)}.code.HR{background:var(--p-HR)}.code.BP{background:var(--p-BP)}
.sol{display:flex;flex-direction:column;gap:6px;cursor:pointer;transition:transform .08s,border-color .15s}.sol.sel{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-soft)}.sol:active{transform:scale(.99)}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:12px;z-index:99;box-shadow:var(--shadow);max-width:90vw}
.toast.err{background:var(--bad);color:#fff}
.money{font-variant-numeric:tabular-nums}.total td{font-weight:800;border-top:2px solid var(--ink)}
.scenario{border:1px dashed var(--warn);border-radius:10px;padding:8px 10px;background:color-mix(in srgb,var(--warn) 6%,transparent)}.scenario b{color:var(--warn)}
.empty{padding:30px;text-align:center;color:var(--muted)}
.list-item{display:flex;gap:8px;margin-bottom:6px}.list-item input{flex:1}
.saving{font-size:.8rem;color:var(--muted)}
.diff td:nth-child(2){color:var(--bad)}.diff td:nth-child(3){color:var(--ok)}
dialog{border:none;border-radius:16px;padding:0;background:var(--panel);color:var(--ink);box-shadow:0 20px 60px rgba(0,0,0,.3);width:min(640px,94vw)}dialog::backdrop{background:rgba(15,23,42,.5)}dialog .card{border:0;box-shadow:none}
/* Proposal document */
.doc{background:var(--panel);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
.doc-head{background:#0f172a;color:#fff;padding:34px 36px}.doc-head .k{letter-spacing:.2em;font-size:.75rem;font-weight:800;opacity:.85}.doc-head h1{font-size:1.9rem;margin:.3em 0}.doc-head p{margin:0;color:#cbd5e1}
.doc-body{padding:28px 36px}.doc-body section{margin-bottom:28px}.doc-body h2{color:var(--accent);border-bottom:1px solid var(--line);padding-bottom:6px}
.price-box{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}.price-box .card{background:var(--panel2);box-shadow:none}
.big{font-size:2rem;font-weight:800}
.phase{border-left:4px solid var(--accent);padding:4px 0 4px 14px;margin-bottom:12px}
/* Presentation */
body.present{background:var(--bg);overflow:hidden}
.stage{position:fixed;inset:0;display:flex;flex-direction:column}
.stage-top{display:flex;align-items:center;gap:12px;padding:12px 22px}
.stage-body{flex:1;overflow:auto;padding:10px 6vw 30px;-webkit-overflow-scrolling:touch}
.stage-foot{display:flex;align-items:center;gap:12px;padding:12px 22px;border-top:1px solid var(--line);background:var(--panel)}
.stage-foot button{min-height:52px;padding:0 22px;font-size:1.05rem}
.dots{display:flex;gap:6px;flex:1;justify-content:center;flex-wrap:wrap}.dots button{min-height:12px;width:12px;height:12px;padding:0;border-radius:50%;background:var(--line);border:0}.dots button.on{background:var(--accent);width:28px;border-radius:6px}
.hero{font-size:clamp(2rem,5vw,3.6rem);font-weight:800;letter-spacing:-.02em;line-height:1.08;margin:4vh 0 2vh}
.lead{font-size:clamp(1.05rem,2vw,1.35rem);color:var(--muted);max-width:60ch}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-top:3vh}
.tile{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow);font-size:1.1rem;font-weight:700}
.tile .n{display:inline-flex;width:34px;height:34px;border-radius:10px;background:var(--accent-soft);color:var(--accent);align-items:center;justify-content:center;margin-bottom:10px;font-weight:800}
.stage .sol{min-height:120px;font-size:1.02rem}
@media (max-width:700px){main{padding:14px 12px 70px}.doc-body,.doc-head{padding:20px}header.top{padding:8px 12px}nav.main a{padding:6px 8px}}
@media print{header.top,.noprint{display:none!important}body{background:#fff}.doc{border:0;box-shadow:none}}