:root{color-scheme:light;--paper:#eef3f5;--card:#fff;--ink:#14262e;--mute:#566a74;--line:#d5e0e5;--rail:#0f4150;--rail-ink:#d9ecf1;--rail-on:#fff;--left:#2556cc;--right:#b97a06;--match:#14795a;--bad:#b0342a;--bad-bg:#fbeae8;--ok-bg:#e3f4ed;--warn-bg:#fdf3dc;--focus:#2556cc;--btn:#0f4150;--btn-ink:#fff}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){color-scheme:dark;--paper:#0d1a20;--card:#14252d;--ink:#e6f0f3;--mute:#9db2bb;--line:#284048;--rail:#0a2c37;--rail-ink:#b7d3db;--left:#7ea3ff;--right:#efb445;--match:#4cc79d;--bad:#ff8c80;--bad-bg:#3a1c19;--ok-bg:#12352a;--warn-bg:#3a2e12;--focus:#7ea3ff;--btn:#6fc3d6;--btn-ink:#06222b}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 "Segoe UI",system-ui,-apple-system,Roboto,"Helvetica Neue",Arial,sans-serif}
a{color:var(--left)}h1{font-size:1.65rem;line-height:1.2;margin:0 0 .35rem;letter-spacing:-.01em}h2{font-size:1.15rem;margin:0 0 .75rem}h3{font-size:1rem;margin:0 0 .4rem}p{margin:0 0 .75rem;max-width:72ch}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.shell{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:100vh}
.rail{background:var(--rail);color:var(--rail-ink);padding:1.25rem .75rem;position:sticky;top:0;height:100vh;overflow:auto}
.brand{display:flex;align-items:center;gap:.5rem;font-weight:700;font-size:1.25rem;color:var(--rail-on);text-decoration:none;padding:0 .5rem 1rem}
.brand svg{width:28px;height:28px;flex:none}
.grp{margin-bottom:.15rem}.grp>summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;padding:.5rem .6rem;border-radius:6px;font-size:.84rem;font-weight:600;opacity:.82}.grp>summary::-webkit-details-marker{display:none}.grp>summary::after{content:'';width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(-45deg);transition:transform .15s}.grp[open]>summary::after{transform:rotate(45deg)}.grp>summary:hover{background:rgba(255,255,255,.09)}.grp a{padding-left:1rem!important}
.content{min-width:0}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:.7rem;background:var(--card);border-bottom:1px solid var(--line);padding:.55rem clamp(.9rem,3vw,2.5rem);padding-top:calc(.55rem + env(safe-area-inset-top,0px))}.burger{display:grid;gap:4px;background:none;border:1px solid var(--line);border-radius:6px;padding:.5rem .5rem;cursor:pointer}.burger span{display:block;width:18px;height:2px;background:var(--ink)}.scrim{display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:25}
@media (min-width:821px){.menu-closed .shell{grid-template-columns:minmax(0,1fr)}.menu-closed .rail{display:none}}
/* Ağaç şablonu */
.treewrap{overflow-x:auto;padding:.3rem 0 .6rem}.tree2,.tree2 ul{list-style:none;margin:0;padding:0;display:flex;justify-content:center}.tree2{min-width:640px}.tree2 ul{position:relative;padding-top:18px}.tree2 ul::before{content:'';position:absolute;top:0;left:50%;height:9px;border-left:2px solid var(--line)}.tree2 li{position:relative;flex:1 1 0;min-width:0;display:flex;flex-direction:column;align-items:center;padding:9px 3px 0}.tree2 ul>li::before{content:'';position:absolute;top:0;height:9px;border-top:2px solid var(--line)}.tree2 ul>li::after{content:'';position:absolute;top:0;left:50%;height:9px;border-left:2px solid var(--line)}.tree2 ul>li:first-child::before{left:50%;right:0}.tree2 ul>li:last-child::before{left:0;right:50%}.tree2>li{padding-top:0}
.tnode{position:relative;display:block;width:100%;max-width:128px;background:var(--paper);border:1px solid var(--line);border-top:3px solid var(--line);border-radius:6px;padding:.3rem .4rem;text-align:center;text-decoration:none;color:var(--ink);overflow:hidden}.tnode b{display:block;font-size:.8rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tnode small{display:block;font-size:.68rem;color:var(--mute)}.tnode.l{border-top-color:var(--left)}.tnode.r{border-top-color:var(--right)}.tnode.root{border-top-color:var(--match);max-width:150px}.tnode.empty{border-style:dashed;color:var(--mute);font-size:.78rem;background:transparent}.tnode .dot{position:absolute;top:5px;right:5px}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--mute)}.dot.on{background:var(--match)}.legend{font-size:.84rem;color:var(--mute);display:flex;flex-wrap:wrap;gap:.35rem .5rem;align-items:center}.k{display:inline-block;width:14px;height:4px}.k.l{background:var(--left)}.k.r{background:var(--right)}
.rail nav a{display:block;color:inherit;text-decoration:none;padding:.5rem .6rem;border-radius:6px;font-size:.95rem}
.rail nav a:hover{background:rgba(255,255,255,.09)}.rail nav a.on{background:rgba(255,255,255,.16);color:var(--rail-on);font-weight:600}
.rail .sep{margin:.9rem .6rem .3rem;font-size:.8rem;opacity:.7}
.rail form button{all:unset;display:block;cursor:pointer;padding:.5rem .6rem;font-size:.95rem}
main{padding:1.75rem clamp(1rem,3vw,2.5rem) 3rem;min-width:0}
.head{margin-bottom:1.25rem}.head p{color:var(--mute);margin:0}
.grid{display:grid;gap:.75rem;grid-template-columns:repeat(auto-fill,minmax(205px,1fr));margin-bottom:1.25rem}
.stat{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:.8rem .9rem}
.stat span{display:block;color:var(--mute);font-size:.86rem}.stat b{display:block;font-size:1.22rem;font-variant-numeric:tabular-nums;margin-top:.1rem;overflow-wrap:anywhere}.stat.big{grid-column:span 2;border-left:4px solid var(--match)}.stat.big b{font-size:1.6rem}
.panel{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:1rem 1.1rem;margin-bottom:1.25rem}
.scroll{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:.92rem}th{color:var(--mute);font-weight:600;text-align:left;white-space:nowrap}th,td{padding:.45rem .6rem;border-bottom:1px solid var(--line);vertical-align:top}td.n,th.n{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}tr:last-child td{border-bottom:0}
.empty{color:var(--mute);padding:.75rem 0}
label{display:block;font-weight:600;font-size:.92rem;margin-bottom:.8rem}label small{display:block;font-weight:400;color:var(--mute)}
input,select,textarea{display:block;width:100%;margin-top:.25rem;padding:.55rem .65rem;font:inherit;color:var(--ink);background:var(--card);border:1px solid #8ba0a9;border-radius:6px}
input[type=checkbox]{display:inline-block;width:auto;margin:0 .45rem 0 0}.check{display:flex;align-items:center;font-weight:500}
.btn,button.btn{display:inline-block;background:var(--btn);color:var(--btn-ink);border:1px solid var(--btn);border-radius:6px;padding:.55rem .95rem;font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
.btn.alt{background:transparent;color:var(--ink);border-color:#8ba0a9}.btn.danger{background:var(--bad);border-color:var(--bad);color:#fff}.btn.sm{padding:.25rem .55rem;font-size:.85rem}
.row{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}.row form{margin:0}.narrow{max-width:520px}.cols{display:grid;gap:0 1rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.flash{padding:.65rem .9rem;border-radius:6px;margin-bottom:1rem;background:var(--ok-bg)}.flash.err{background:var(--bad-bg);color:var(--bad)}.note{padding:.65rem .9rem;border-radius:6px;background:var(--warn-bg);margin-bottom:1rem}
.tag{display:inline-block;padding:.05rem .45rem;border-radius:4px;font-size:.82rem;background:var(--paper);border:1px solid var(--line);white-space:nowrap}.tag.ok{background:var(--ok-bg)}.tag.bad{background:var(--bad-bg);color:var(--bad)}.tag.warn{background:var(--warn-bg)}
code,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.88em;overflow-wrap:anywhere}
/* Kol terazisi: sol ve sağ hacim ortadaki çizgiden iki yana açılır, eşleşen kısım koyu görünür */
.legs{margin:.25rem 0 1rem}.legs .labels{display:flex;justify-content:space-between;font-size:.92rem;font-variant-numeric:tabular-nums}.legs .labels b{display:block;font-size:1.25rem}.legs .labels .r{text-align:right}
.scale{display:grid;grid-template-columns:1fr 2px 1fr;height:20px;margin:.45rem 0 .35rem}.scale>i{background:var(--ink)}.side{background:var(--paper);display:flex;overflow:hidden}.side.l{justify-content:flex-end}.side b{display:block;height:100%}.side.l .x{background:var(--left);opacity:.4}.side.l .m{background:var(--left)}.side.r .x{background:var(--right);opacity:.4}.side.r .m{background:var(--right)}
.legs small{color:var(--mute)}
.meter{height:10px;background:var(--paper);border-radius:5px;overflow:hidden;margin:.3rem 0}.meter b{display:block;height:100%;background:var(--match)}
.tree,.tree ul{list-style:none;margin:0;padding:0}.tree ul{display:flex;gap:.4rem;padding-top:.8rem;justify-content:center}.tree li{flex:1 1 0;min-width:0;text-align:center}.node{display:inline-block;background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:.2rem .45rem;font-size:.8rem;max-width:100%;overflow:hidden;text-overflow:ellipsis}.node.off{opacity:.55}.node.empty{border-style:dashed;color:var(--mute)}.node.l{border-top:3px solid var(--left)}.node.r{border-top:3px solid var(--right)}
.bars{display:flex;align-items:flex-end;gap:3px;height:150px;border-bottom:1px solid var(--line);overflow-x:auto}.bars div{flex:1 0 12px;min-width:12px;background:var(--match);border-radius:2px 2px 0 0;min-height:1px}
.tabs{display:flex;gap:.3rem;margin-bottom:.7rem;flex-wrap:wrap}.tabs a{padding:.2rem .6rem;border:1px solid var(--line);border-radius:5px;text-decoration:none;color:var(--ink);font-size:.9rem}.tabs a.on{background:var(--btn);color:var(--btn-ink);border-color:var(--btn)}
dl.kv{display:grid;grid-template-columns:max-content 1fr;gap:.25rem 1rem;margin:0}dl.kv dt{color:var(--mute)}dl.kv dd{margin:0;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.auth{min-height:100vh;display:grid;place-items:center;padding:1.25rem}.auth .box{width:100%;max-width:440px}.auth .brand{color:var(--ink);padding:0 0 1rem}
.home{max-width:980px;margin:0 auto;padding:1.25rem}.home header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2.5rem}.home header .brand{color:var(--ink);padding:0}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:2rem;align-items:center;margin-bottom:2.5rem}.hero h1{font-size:clamp(2rem,4.5vw,3.1rem);line-height:1.08;margin-bottom:1rem}.hero p{font-size:1.1rem}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1.5rem;margin-bottom:2rem}.steps p{color:var(--mute);margin:0}.risk{border-left:4px solid var(--right);padding:.8rem 1rem;background:var(--card);margin-bottom:2rem}.risk p{margin:0;max-width:none}
footer.site{color:var(--mute);font-size:.88rem;padding-top:1rem;border-top:1px solid var(--line)}
@media (max-width:820px){.shell{display:block}.rail{position:fixed;left:0;top:0;bottom:0;z-index:30;width:270px;max-width:84vw;height:auto;transform:translateX(-102%);transition:transform .18s;padding-top:calc(1rem + env(safe-area-inset-top,0px))}.menu-open .rail{transform:none}.menu-open .scrim{display:block}main{padding:1.1rem .9rem 2.5rem}.hero{grid-template-columns:1fr}.stat.big{grid-column:span 1}h1{font-size:1.4rem}.grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}.stat b{font-size:1.05rem}.stat.big b{font-size:1.25rem}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}