:root{
  --bg:#f6f3ee; --bg2:#efe9e0; --card:#fffdf9; --ink:#1d2433; --ink2:#4a5468; --muted:#8a93a6; --line:#e3dcd0; --line2:#d6ccbc;
  --accent:#d4553a; --accent2:#1f8a8a; --gold:#d79b2b; --violet:#6c5bd4; --green:#2e9e6a; --amber:#e0a526; --red:#d2513f; --blue:#3b6fd8;
  --shadow:0 1px 2px rgba(29,36,51,.06),0 8px 24px rgba(29,36,51,.06); --r:14px; --r2:22px;
  --serif:'Fraunces',Georgia,serif; --sans:'Inter',system-ui,sans-serif; --mono:'JetBrains Mono',ui-monospace,monospace;
  --side:#18202e; --sideInk:#cfd6e4;
}
:root[data-theme="dark"]{ --bg:#10141c; --bg2:#151b26; --card:#19202c; --ink:#eef1f7; --ink2:#b4bdcf; --muted:#7c879c; --line:#263043; --line2:#33405a; --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.35); --side:#0b0f16; }
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){ --bg:#10141c; --bg2:#151b26; --card:#19202c; --ink:#eef1f7; --ink2:#b4bdcf; --muted:#7c879c; --line:#263043; --line2:#33405a; --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.35); --side:#0b0f16; } }
*{box-sizing:border-box} html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--ink);font:14px/1.55 var(--sans);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;letter-spacing:-.01em;margin:0 0 .4em;line-height:1.15}
h1{font-size:44px} h2{font-size:28px} h3{font-size:19px} h4{font-size:15px;font-family:var(--sans);font-weight:700}
a{color:var(--accent2)} .mono{font-family:var(--mono);font-size:12px}
.muted{color:var(--muted)} .small{font-size:12px} .tiny{font-size:11px} .b{font-weight:700} .center{text-align:center} .right{text-align:right}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap} .col{display:flex;flex-direction:column;gap:10px} .grow{flex:1} .sp{justify-content:space-between}
.grid{display:grid;gap:16px} .g2{grid-template-columns:repeat(2,minmax(0,1fr))} .g3{grid-template-columns:repeat(3,minmax(0,1fr))} .g4{grid-template-columns:repeat(4,minmax(0,1fr))} .g5{grid-template-columns:repeat(5,minmax(0,1fr))} .g6{grid-template-columns:repeat(6,minmax(0,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:var(--shadow);min-width:0}
.card.flat{box-shadow:none} .card h3{margin-bottom:10px}
.kicker{font:600 11px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line2);background:var(--card);color:var(--ink);padding:9px 14px;border-radius:10px;font:600 13px var(--sans);cursor:pointer;transition:.15s;white-space:nowrap}
.btn:hover{transform:translateY(-1px);border-color:var(--ink2)} .btn:active{transform:none}
.btn.pri{background:var(--accent);border-color:var(--accent);color:#fff} .btn.pri:hover{filter:brightness(1.07)}
.btn.dark{background:var(--ink);color:var(--bg);border-color:var(--ink)} .btn.ghost{background:transparent;border-color:transparent} .btn.sm{padding:5px 10px;font-size:12px;border-radius:8px} .btn.danger{color:var(--red)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
input,select,textarea{font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line2);border-radius:9px;padding:8px 10px;width:100%;min-width:0}
input:focus,select:focus,textarea:focus,.btn:focus-visible{outline:2px solid var(--accent2);outline-offset:1px}
textarea{min-height:70px;resize:vertical} label{font-size:12px;font-weight:600;color:var(--ink2);display:block;margin-bottom:4px}
.field{margin-bottom:12px} input[type=range]{padding:0;accent-color:var(--accent)} input[type=checkbox]{width:auto;accent-color:var(--accent2)}
.chip{display:inline-flex;align-items:center;gap:6px;padding:3px 9px;border-radius:99px;font-size:11px;font-weight:600;background:var(--bg2);border:1px solid var(--line);color:var(--ink2);white-space:nowrap}
.chip.g{background:rgba(46,158,106,.13);color:var(--green);border-color:transparent} .chip.a{background:rgba(224,165,38,.16);color:#b07c0d;border-color:transparent} .chip.r{background:rgba(210,81,63,.13);color:var(--red);border-color:transparent} .chip.b{background:rgba(59,111,216,.12);color:var(--blue);border-color:transparent} .chip.v{background:rgba(108,91,212,.13);color:var(--violet);border-color:transparent} .chip.gray{background:rgba(138,147,166,.15);color:var(--muted);border-color:transparent}
.tag{font:600 10px var(--mono);padding:2px 6px;border-radius:5px;background:var(--bg2);color:var(--ink2);letter-spacing:.04em}
.tag.PROPOSED{background:rgba(108,91,212,.12);color:var(--violet)} .tag.INPUT{background:rgba(59,111,216,.12);color:var(--blue)} .tag.SOURCE{background:rgba(46,158,106,.13);color:var(--green)} .tag.ASSUMPTION{background:rgba(224,165,38,.16);color:#a77408} .tag.MANUAL{background:rgba(212,85,58,.13);color:var(--accent)}
table.t{width:100%;border-collapse:collapse;font-size:13px} .t th{font:600 11px var(--sans);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);text-align:left;padding:8px;border-bottom:1px solid var(--line2);position:sticky;top:0;background:var(--card);z-index:1}
.t td{padding:8px;border-bottom:1px solid var(--line);vertical-align:top} .t tr:hover td{background:rgba(127,127,127,.04)} .t td.n,.t th.n{text-align:right;font-variant-numeric:tabular-nums}
.t input,.t select{padding:4px 6px;font-size:12px;border-radius:6px;background:transparent} .t.fin td{padding:5px 8px} .t tr.tot td{font-weight:700;border-top:1px solid var(--line2)} .t tr.sec td{background:var(--bg2);font-weight:700;font-size:12px}
.scroll{overflow:auto;max-width:100%} .scroll.h{max-height:520px}
/* ---------- App shell ---------- */
.shell{display:grid;grid-template-columns:248px minmax(0,1fr);min-height:100vh}
.side{background:var(--side);color:var(--sideInk);padding:18px 12px;position:sticky;top:0;height:100vh;overflow:auto;display:flex;flex-direction:column;gap:4px}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 16px;cursor:pointer} .brand b{font:700 20px var(--serif);color:#fff;letter-spacing:-.02em} .brand small{display:block;font:600 9px var(--mono);letter-spacing:.18em;color:#8fa0bd}
.logo{width:34px;height:34px}
.nav-sec{font:600 10px var(--mono);letter-spacing:.16em;color:#6f7f9c;padding:14px 10px 6px;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:9px;cursor:pointer;color:var(--sideInk);font-weight:500;font-size:13px;border:0;background:none;width:100%;text-align:left}
.nav:hover{background:rgba(255,255,255,.06)} .nav.on{background:rgba(212,85,58,.18);color:#fff} .nav .ic{width:20px;text-align:center;opacity:.9}
.main{min-width:0} .top{display:flex;align-items:center;gap:12px;padding:14px 28px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(8px);position:sticky;top:0;z-index:20}
.page{padding:24px 28px 80px;max-width:1500px} .ph{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap} .ph p{margin:4px 0 0;color:var(--ink2);max-width:780px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:18px;overflow-x:auto} .tab{padding:9px 14px;border:0;background:none;color:var(--ink2);font:600 13px var(--sans);cursor:pointer;border-bottom:2px solid transparent;white-space:nowrap} .tab.on{color:var(--ink);border-color:var(--accent)}
.stat{padding:16px} .stat .v{font:600 28px var(--serif);letter-spacing:-.02em} .stat .l{font-size:12px;color:var(--muted);font-weight:600} .stat .d{font-size:12px;margin-top:4px}
.bar{height:8px;background:var(--bg2);border-radius:9px;overflow:hidden} .bar i{display:block;height:100%;background:var(--accent2);border-radius:9px}
.dot{width:9px;height:9px;border-radius:50%;display:inline-block} .dot.g{background:var(--green)} .dot.a{background:var(--amber)} .dot.r{background:var(--red)} .dot.gray{background:var(--muted)}
.empty{padding:30px;text-align:center;color:var(--muted);border:1.5px dashed var(--line2);border-radius:var(--r)}
.note{padding:10px 14px;border-radius:10px;background:rgba(31,138,138,.08);border-left:3px solid var(--accent2);font-size:13px;color:var(--ink2)}
.note.warn{background:rgba(224,165,38,.1);border-color:var(--amber)} .note.err{background:rgba(210,81,63,.08);border-color:var(--red)}
/* ---------- Landing ---------- */
.land{min-height:100vh;background:radial-gradient(1200px 600px at 85% -10%,rgba(212,85,58,.13),transparent 60%),radial-gradient(900px 500px at -10% 30%,rgba(31,138,138,.12),transparent 60%),var(--bg)}
.land-top{display:flex;align-items:center;justify-content:space-between;padding:22px 48px}
.land-top .brand b{color:var(--ink)} .land-top .brand small{color:var(--muted)}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;padding:30px 48px 40px;align-items:center;max-width:1400px;margin:0 auto}
.hero h1{font-size:64px;line-height:1.02;letter-spacing:-.035em} .hero h1 em{color:var(--accent);font-style:italic}
.hero p.lead{font-size:18px;color:var(--ink2);max-width:560px}
.orb{aspect-ratio:1;max-width:520px;width:100%;margin:auto;position:relative}
.orb svg{width:100%;height:100%;overflow:visible}
.spin{animation:spin 60s linear infinite;transform-origin:250px 250px} .spin2{animation:spin 90s linear infinite reverse;transform-origin:250px 250px}
@keyframes spin{to{transform:rotate(360deg)}} @keyframes pulse{50%{transform:scale(1.06)}} .pulse{animation:pulse 3.2s ease-in-out infinite;transform-origin:250px 250px}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}} .rise{animation:rise .6s both}
.strip{display:flex;gap:28px;flex-wrap:wrap;font:600 11px var(--mono);letter-spacing:.14em;color:var(--muted);margin-top:28px}
.feat{max-width:1400px;margin:0 auto;padding:20px 48px 60px} .feat .card{transition:.2s} .feat .card:hover{transform:translateY(-3px)}
.out-n{font:600 34px var(--serif);color:var(--accent);opacity:.9}
.proj{cursor:pointer;transition:.2s} .proj:hover{transform:translateY(-2px);border-color:var(--accent)}
/* ---------- Wizard ---------- */
.wiz{display:grid;grid-template-columns:270px minmax(0,1fr);min-height:100vh}
.wiz-side{background:var(--side);color:var(--sideInk);padding:26px 18px;position:sticky;top:0;height:100vh}
.wstep{display:flex;gap:12px;align-items:flex-start;padding:10px;border-radius:10px;cursor:pointer;opacity:.6} .wstep.on{opacity:1;background:rgba(255,255,255,.06)} .wstep.done{opacity:.9}
.wstep .n{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font:700 12px var(--mono);border:1.5px solid #4c5a75;flex:none} .wstep.on .n{background:var(--accent);border-color:var(--accent);color:#fff} .wstep.done .n{background:var(--accent2);border-color:var(--accent2);color:#fff}
.wstep b{display:block;color:#fff;font-size:13px} .wstep small{font-size:11px;color:#8fa0bd}
.wiz-main{padding:40px 56px 110px;max-width:1080px}
.choice{display:grid;gap:12px} .opt{display:flex;gap:14px;align-items:center;padding:16px 18px;border:1.5px solid var(--line2);border-radius:14px;background:var(--card);cursor:pointer;transition:.15s;text-align:left;font:inherit;color:inherit;width:100%}
.opt:hover{border-color:var(--ink2);transform:translateX(3px)} .opt.on{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 7%,var(--card));box-shadow:0 0 0 3px rgba(212,85,58,.12)}
.opt .em{font-size:24px;width:44px;height:44px;display:grid;place-items:center;background:var(--bg2);border-radius:12px;flex:none} .opt .code{font:600 11px var(--mono);color:var(--muted)}
.sector-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px} .sec-card{padding:12px;border:1.5px solid var(--line2);border-radius:12px;cursor:pointer;background:var(--card);text-align:left;font:inherit;color:inherit;transition:.15s} .sec-card:hover{border-color:var(--ink2)} .sec-card.on{border-color:var(--accent);box-shadow:0 0 0 3px rgba(212,85,58,.12)} .sec-card .e{font-size:22px}
.wiz-foot{position:fixed;bottom:0;left:270px;right:0;padding:14px 56px;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(8px);border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;z-index:30}
.route-card{border-radius:var(--r2);padding:22px;color:#fff;position:relative;overflow:hidden}
.route-card:after{content:'';position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.12)}
.tree{font:12px var(--mono);line-height:1.7;color:var(--ink2);white-space:pre;overflow:auto;background:var(--bg2);padding:14px;border-radius:10px}
.tree .hit{color:var(--accent);font-weight:700}
.drop{border:2px dashed var(--line2);border-radius:var(--r);padding:26px;text-align:center;cursor:pointer;transition:.15s;background:var(--card)} .drop:hover,.drop.over{border-color:var(--accent2);background:rgba(31,138,138,.05)}
.taglist{display:flex;flex-wrap:wrap;gap:6px;padding:6px;border:1px solid var(--line2);border-radius:9px;background:var(--bg);min-height:42px;align-items:center}
.taglist input{border:0;flex:1;min-width:140px;background:transparent;padding:4px} .taglist .chip{cursor:pointer}
.gen{position:fixed;inset:0;background:rgba(16,20,28,.86);z-index:100;display:grid;place-items:center;color:#fff}
.gen .phase{font:600 13px var(--mono);letter-spacing:.12em;opacity:.35;transition:.3s;padding:4px 0} .gen .phase.on{opacity:1;color:#ffb39f} .gen .phase.done{opacity:.8;color:#8fe0c7}
/* ---------- Diagrams ---------- */
.cell-svg text{font-family:var(--sans)}
.cascade{display:flex;gap:0;overflow-x:auto;padding:6px 0} .cas{flex:1;min-width:112px;padding:12px 10px 12px 18px;background:var(--bg2);clip-path:polygon(0 0,calc(100% - 12px) 0,100% 50%,calc(100% - 12px) 100%,0 100%,12px 50%);font-size:11px;cursor:default}
.cas:first-child{clip-path:polygon(0 0,calc(100% - 12px) 0,100% 50%,calc(100% - 12px) 100%,0 100%)} .cas b{display:block;font-size:12px}
.pill-col{border-top:4px solid var(--accent)} .cellcard{border:1px solid var(--line);border-radius:12px;padding:12px;background:var(--bg);cursor:pointer;transition:.15s} .cellcard:hover{border-color:var(--accent);transform:translateY(-1px)}
.heat{display:grid;grid-template-columns:28px repeat(5,1fr);gap:3px} .heat div{aspect-ratio:1.6;border-radius:6px;display:grid;place-items:center;font:600 11px var(--mono)}
.matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:8px;position:relative} .quad{min-height:150px;border-radius:12px;padding:12px;background:var(--bg2);border:1px solid var(--line)} .quad h4{font-size:13px}
.canvas6{display:grid;grid-template-columns:repeat(3,1fr);gap:10px} .cbox{border-radius:12px;padding:12px;background:var(--bg2);min-height:120px}
.gantt{position:relative;font-size:12px} .grow-row{display:grid;grid-template-columns:280px 1fr;align-items:center;border-bottom:1px solid var(--line);min-height:34px} .gtrack{position:relative;height:34px}
.gbar{position:absolute;top:8px;height:18px;border-radius:6px;font-size:10px;color:#fff;padding:1px 6px;overflow:hidden;white-space:nowrap}
.gscale{display:grid;grid-template-columns:repeat(36,1fr);font:10px var(--mono);color:var(--muted)} .gscale span{border-left:1px solid var(--line);padding-left:2px}
.kan{display:grid;grid-template-columns:repeat(4,1fr);gap:12px} .kcol{background:var(--bg2);border-radius:12px;padding:10px;min-height:200px} .kcard{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:9px;margin-bottom:8px;font-size:12px;cursor:grab}
/* ---------- Deck ---------- */
.deck-wrap{display:grid;grid-template-columns:200px minmax(0,1fr);gap:16px} .thumbs{max-height:76vh;overflow:auto;display:flex;flex-direction:column;gap:8px}
.thumb{border:2px solid var(--line);border-radius:8px;cursor:pointer;padding:6px 8px;font-size:11px;background:var(--card)} .thumb.on{border-color:var(--accent)}
.slide{aspect-ratio:16/9;background:#fffdf9;color:#1d2433;border-radius:12px;box-shadow:var(--shadow);position:relative;overflow:hidden;padding:4.5% 5%;font-size:clamp(9px,1.05vw,15px);display:flex;flex-direction:column}
.slide h2{font-size:2.2em;color:#1d2433;margin-bottom:.3em} .slide .sk{font:600 .75em var(--mono);letter-spacing:.14em;color:#d4553a;text-transform:uppercase}
.slide .foot{position:absolute;left:5%;right:5%;bottom:3%;display:flex;justify-content:space-between;font-size:.7em;color:#8a93a6}
.slide .cols{display:grid;gap:1.2em;flex:1;min-height:0} .slide .box{background:#f3eee6;border-radius:.7em;padding:.8em 1em;min-height:0;overflow:hidden} .slide .box b{display:block;margin-bottom:.2em}
.slide.dark{background:#18202e;color:#eef1f7} .slide.dark h2{color:#fff}
.slide ul{margin:.2em 0;padding-left:1.1em} .slide li{margin:.15em 0}
.present{position:fixed;inset:0;background:#000;z-index:200;display:grid;place-items:center} .present .slide{width:min(100vw,177.7vh);border-radius:0;font-size:min(1.6vw,2.85vh)}
/* ---------- Modal / toast ---------- */
.modal{position:fixed;inset:0;background:rgba(16,20,28,.55);z-index:150;display:grid;place-items:center;padding:20px} .modal.hidden{display:none}
.mbox{background:var(--card);border-radius:var(--r2);max-width:880px;width:100%;max-height:90vh;overflow:auto;padding:24px;box-shadow:0 30px 80px rgba(0,0,0,.35)}
#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:300;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:10px;font-weight:600;font-size:13px;box-shadow:var(--shadow);animation:rise .3s}
.ring{transform:rotate(-90deg)} .ring circle{fill:none;stroke-width:9}
.score-pill{font:700 13px var(--mono);padding:3px 8px;border-radius:7px}
.sw{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:middle}
hr.s{border:0;border-top:1px solid var(--line);margin:16px 0}
.print-only{display:none}
@media (max-width:1100px){ .g4,.g5,.g6{grid-template-columns:repeat(2,minmax(0,1fr))} .g3{grid-template-columns:repeat(2,minmax(0,1fr))} .hero{grid-template-columns:1fr} .hero h1{font-size:46px} }
@media (max-width:820px){
  .shell,.wiz{grid-template-columns:1fr} .side{position:static;height:auto;flex-direction:row;flex-wrap:nowrap;overflow-x:auto;padding:8px} .side .nav-sec,.side .brand small{display:none} .nav{width:auto;white-space:nowrap}
  .wiz-side{position:static;height:auto;display:flex;overflow-x:auto;padding:10px} .wstep small{display:none} .wiz-main{padding:22px 16px 120px} .wiz-foot{left:0;padding:12px 16px}
  .page{padding:16px 16px 80px} .top{padding:10px 16px} .g2,.g3,.g4,.g5,.g6,.canvas6,.kan{grid-template-columns:1fr} .land-top,.hero,.feat{padding-left:16px;padding-right:16px} .hero h1{font-size:38px}
  .deck-wrap{grid-template-columns:1fr} .thumbs{flex-direction:row;max-height:none;overflow-x:auto} .grow-row{grid-template-columns:140px 1fr} h1{font-size:32px}
}
@media print{ .side,.top,.no-print{display:none!important} .shell{display:block} .page{padding:0} .card{box-shadow:none;break-inside:avoid} body{background:#fff} }