/* HMGS Çalışma Alanı — renkler ve yazı tipleri sensoyhukuk.net ile ortak */
@font-face{font-family:"Fraunces";src:url(../fonts/fraunces.woff2) format("woff2");font-weight:400 900;font-style:normal;font-display:swap}
@font-face{font-family:"Instrument Sans";src:url(../fonts/instrument-sans.woff2) format("woff2");font-weight:400 600;font-style:normal;font-display:swap}

:root{
  --ink:#1f2327; --graphite:#2d3339; --copper:#b5683a; --copper-lt:#d98c5c; --copper-tx:#98532a;
  --stone:#f4f1ec; --stone-deep:#e8e2d8; --line:#d9d2c6; --muted:#5f666d; --paper:#fff;
  --text:#1f2327; --accent-tx:var(--copper-tx); --wash:rgba(181,104,58,.1);
  --ok:#2f6b4b; --ok-soft:#e3efe7; --bad:#a3392c; --bad-soft:#f6e3df; --new:#8a5a00; --new-soft:#f6ead2;
  --serif:"Fraunces",Georgia,serif; --sans:"Instrument Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --rail:290px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --stone:#16191c; --stone-deep:#22272c; --line:#343b42; --muted:#9aa1a8; --paper:#1f2327;
  --text:#ece8e1; --accent-tx:var(--copper-lt); --wash:rgba(217,140,92,.12);
  --ok:#7cc79c; --ok-soft:#1b3326; --bad:#ee8f80; --bad-soft:#3a1f1b; --new:#e5b45f; --new-soft:#3a2e15;
  color-scheme:dark}}
:root[data-theme="dark"]{
  --stone:#16191c; --stone-deep:#22272c; --line:#343b42; --muted:#9aa1a8; --paper:#1f2327;
  --text:#ece8e1; --accent-tx:var(--copper-lt); --wash:rgba(217,140,92,.12);
  --ok:#7cc79c; --ok-soft:#1b3326; --bad:#ee8f80; --bad-soft:#3a1f1b; --new:#e5b45f; --new-soft:#3a2e15;
  color-scheme:dark}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font:16px/1.6 var(--sans);color:var(--text);background:var(--stone);-webkit-font-smoothing:antialiased;min-height:100vh}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:3px solid var(--copper-lt);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--copper-tx);color:#fff;padding:10px 16px;z-index:300}
.skip:focus{left:8px}
.num{font-variant-numeric:tabular-nums}

/* ---------- Sol şerit ---------- */
.rail{position:fixed;inset:0 auto 0 0;width:var(--rail);background:linear-gradient(180deg,#1f2327 0%,#1b1f23 60%,#262c31 100%);color:#e6e8ea;display:flex;flex-direction:column;padding:30px 22px 22px;z-index:100;border-top:4px solid var(--copper);overflow-y:auto;overscroll-behavior:contain}
.brand{display:flex;gap:14px;align-items:center;padding:0 8px}
.logo{width:46px;height:46px;flex:none;display:grid;place-items:center;background:#f4f1ec;color:#1f2327;font:800 1.5rem/1 var(--serif);border-bottom:4px solid var(--copper)}
.wm{display:flex;flex-direction:column;min-width:0}
.wm strong{font:800 1.35rem/1 var(--serif);letter-spacing:.14em;color:#fff}
.wm span{font:500 .58rem/1 var(--sans);letter-spacing:.3em;color:var(--copper-lt);margin-top:8px;text-transform:uppercase;white-space:nowrap}
.railnav{margin-top:30px;padding-top:20px;border-top:1px solid #343b42;display:flex;flex-direction:column;gap:2px}
.railnav a{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:9px 12px;color:#aeb4ba;font-weight:500;border-left:2px solid transparent;transition:color .2s,background .2s,padding .2s}
.railnav a:hover{color:#fff;padding-left:16px}
.railnav a.on{color:#fff;border-left-color:var(--copper-lt);background:linear-gradient(90deg,rgba(217,140,92,.16),transparent)}
.badge{font:600 .72rem/1 var(--sans);padding:4px 7px;background:var(--copper-tx);color:#fff;min-width:22px;text-align:center}
.railhead{margin:26px 12px 6px;font:600 .66rem/1 var(--sans);letter-spacing:.24em;text-transform:uppercase;color:var(--copper-lt)}
.railgrp{margin:12px 12px 2px;font-size:.74rem;letter-spacing:.06em;color:#6f777e}
.railnav.ders{margin-top:0;padding-top:0;border-top:0}
.railnav.ders a{font-size:.9rem;padding:6px 12px;color:#9aa1a8}
.railnav.ders a .pct{font-size:.72rem;color:#6f777e}
.railnav.ders a.on .pct{color:var(--copper-lt)}
.railfoot{margin-top:auto;padding:22px 12px 0;border-top:1px solid #343b42;margin-top:28px;font-size:.82rem;color:#8e969d}
.railfoot b{display:block;font:800 1.9rem/1 var(--serif);color:#fff}
.railfoot span{color:var(--copper-lt)}

.topbar{display:none}
.scrim{display:none}

/* ---------- Ana alan ---------- */
main{margin-left:var(--rail);min-height:100vh;min-width:0}
.pad{padding-left:clamp(16px,5vw,72px);padding-right:clamp(16px,5vw,72px)}
.view{padding-top:clamp(28px,5vw,64px);padding-bottom:clamp(48px,7vw,96px);max-width:1180px}
.loading{padding:80px 0;color:var(--muted)}

.eyebrow{font:600 .74rem/1.2 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--accent-tx)}
h1.ph{font:900 clamp(2.1rem,5.4vw,4.4rem)/1 var(--serif);letter-spacing:-.028em;margin-top:12px;max-width:18ch;text-wrap:balance}
.rule{width:80px;height:4px;background:var(--copper);margin-top:22px}
.lede{font:400 clamp(1.05rem,1.6vw,1.25rem)/1.5 var(--serif);color:var(--muted);max-width:56ch;margin-top:16px}
h2.sh{font:800 clamp(1.4rem,2.4vw,1.9rem)/1.15 var(--serif);letter-spacing:-.012em}
h3{font:700 1.2rem/1.25 var(--serif)}
.muted{color:var(--muted)}
.small{font-size:.88rem}
.sec{margin-top:clamp(36px,5vw,60px)}
.sechead{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap;border-bottom:2px solid var(--text);padding-bottom:10px;margin-bottom:6px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;background:var(--ink);color:#fff;font-weight:600;letter-spacing:.02em;transition:background .2s;border:0;min-height:46px}
.btn:hover{background:var(--copper-tx)}
.btn.cu{background:var(--copper-tx)}
.btn.cu:hover{background:var(--copper)}
.btn.ghost{background:transparent;color:var(--text);box-shadow:inset 0 0 0 1.5px var(--text)}
.btn.ghost:hover{background:var(--stone-deep)}
.btn.ok{background:var(--ok);color:#fff}
.btn.bad{background:var(--bad);color:#fff}
.btn:disabled{opacity:.4;cursor:default}
.btn:disabled:hover{background:var(--ink)}
:root[data-theme="dark"] .btn:not(.cu):not(.ghost):not(.ok):not(.bad){background:var(--graphite)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn:not(.cu):not(.ghost):not(.ok):not(.bad){background:var(--graphite)}}
.btns{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.textlink{font-weight:600;border-bottom:2px solid var(--copper);padding-bottom:1px}
.textlink:hover{color:var(--accent-tx)}

/* ---------- Panel: sınav sayacı ---------- */
.count-hero{background:var(--ink);color:#fff;padding:clamp(28px,4.5vw,56px);display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.8fr);gap:clamp(24px,4vw,56px);align-items:end;position:relative;overflow:hidden;border-top:4px solid var(--copper)}
.count-hero::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(135deg,transparent 0 13px,rgba(181,104,58,.07) 13px 14px);pointer-events:none}
.count-hero>*{position:relative}
.big-num{font:900 clamp(4.2rem,11vw,9rem)/.85 var(--serif);letter-spacing:-.04em;color:#fff}
.big-num small{display:block;font:400 italic clamp(1.2rem,2.4vw,1.9rem)/1.2 var(--serif);letter-spacing:0;color:var(--copper-lt);margin-top:14px}
.count-hero .when{margin-top:18px;color:#c7ccd1;border-top:1px solid #3d444b;padding-top:14px;max-width:34ch}
.today-box{border-left:3px solid var(--copper);padding-left:clamp(16px,2.4vw,28px)}
.today-box .eyebrow{color:var(--copper-lt)}
.today-box p{color:#c7ccd1;margin-top:8px}
.today-box .tn{font:800 2.4rem/1 var(--serif);color:#fff;margin-top:10px}
.today-box .btn{margin-top:20px}

.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:2px solid var(--text);margin-top:clamp(28px,4vw,44px)}
.stat{padding:18px 18px 18px 0;border-bottom:1px solid var(--line)}
.stat+.stat{padding-left:18px;border-left:1px solid var(--line)}
.stat b{display:block;font:800 clamp(1.6rem,3vw,2.3rem)/1.05 var(--serif);font-variant-numeric:tabular-nums}
.stat span{font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.tempo{margin-top:18px;padding:16px 20px;border-left:4px solid var(--copper);background:var(--stone-deep);color:var(--muted);max-width:80ch}
.tempo b{color:var(--text)}

.heat{display:flex;gap:4px;flex-wrap:wrap;margin-top:12px}
.heat i{width:18px;height:18px;background:var(--stone-deep);display:block}
.heat i.l1{background:rgba(181,104,58,.35)}
.heat i.l2{background:rgba(181,104,58,.65)}
.heat i.l3{background:var(--copper)}
.heat i.t{outline:2px solid var(--text);outline-offset:1px}

/* ---------- Ders ızgarası ---------- */
.grp-t{font:600 .78rem/1 var(--sans);letter-spacing:.18em;text-transform:uppercase;color:var(--accent-tx);margin:28px 0 12px}
.dgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.dtile{display:flex;flex-direction:column;gap:10px;background:var(--paper);padding:20px 20px 18px;border:1px solid var(--line);border-top:3px solid var(--text);transition:border-color .2s,transform .2s;min-height:150px}
.dtile:hover{border-top-color:var(--copper);transform:translateY(-2px)}
.dtile h3{font:700 1.15rem/1.2 var(--serif)}
.dtile .meta{font-size:.84rem;color:var(--muted)}
.dtile .foot{margin-top:auto;display:grid;gap:6px}
.bar{height:6px;background:var(--stone-deep);overflow:hidden}
.bar span{display:block;height:100%;background:var(--copper)}
.bar.ok span{background:var(--ok)}
.duepill{font-size:.76rem;font-weight:600;color:var(--accent-tx)}

/* ---------- Ders sayfası / konu listesi ---------- */
.dstats{display:flex;flex-wrap:wrap;gap:8px 28px;margin-top:20px;color:var(--muted)}
.dstats b{color:var(--text);font-variant-numeric:tabular-nums}
.klist{list-style:none;border-top:2px solid var(--text);margin-top:14px}
.krow{display:grid;grid-template-columns:52px minmax(0,1fr) auto;gap:clamp(12px,2.5vw,32px);padding:22px 4px;border-bottom:1px solid var(--line);align-items:start;transition:padding .25s,background .2s}
.krow:hover{padding-left:12px;background:linear-gradient(90deg,var(--wash),transparent)}
.krow .n{font:800 1.5rem/1 var(--serif);color:var(--copper);font-variant-numeric:tabular-nums}
.krow h3{font:700 clamp(1.1rem,1.8vw,1.35rem)/1.25 var(--serif);text-wrap:balance}
.krow .src{font-size:.84rem;color:var(--muted);margin-top:6px}
.krow .r{text-align:right;font-size:.86rem;color:var(--muted);white-space:nowrap}
.krow .r b{display:block;color:var(--text);font-weight:600}
.krow:hover h3{color:var(--accent-tx)}

/* ---------- Sekmeler ---------- */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-top:28px;flex-wrap:wrap}
.tab{font-weight:600;color:var(--muted);padding:12px 16px;border-bottom:3px solid transparent;margin-bottom:-1px}
.tab[aria-selected="true"]{color:var(--text);border-color:var(--copper)}
.crumb{font-size:.9rem;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap}
.crumb a{font-weight:600;border-bottom:2px solid var(--copper)}
.crumb a:hover{color:var(--accent-tx)}

/* ---------- Kart ---------- */
.study{display:grid;gap:16px;margin-top:24px;max-width:860px}
.card{background:var(--paper);border:1px solid var(--line);border-top:4px solid var(--ink);padding:clamp(22px,3.5vw,40px);min-height:280px;display:flex;flex-direction:column;gap:16px;cursor:pointer;position:relative;text-align:left;width:100%}
:root[data-theme="dark"] .card{border-top-color:var(--copper)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .card{border-top-color:var(--copper)}}
.card .side{font:600 .7rem/1 var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--muted);display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.card .front{font:700 clamp(1.3rem,2.6vw,1.75rem)/1.3 var(--serif);text-wrap:balance;max-width:40ch}
.card .back{font-size:1.06rem;line-height:1.7;max-width:64ch;border-top:1px solid var(--line);padding-top:16px;white-space:pre-line}
.card .hint{margin-top:auto;font-size:.84rem;color:var(--muted)}
.pill{display:inline-block;font:600 .66rem/1 var(--sans);letter-spacing:.12em;padding:5px 8px;background:var(--new-soft);color:var(--new)}
.pill.gray{background:var(--stone-deep);color:var(--muted)}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between}
.count{font-size:.9rem;color:var(--muted);font-variant-numeric:tabular-nums}
.grade{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grade .btn{min-height:56px;font-size:1.02rem}

/* ---------- Soru ---------- */
.qs{display:grid;gap:14px;margin-top:24px;max-width:900px}
.q{background:var(--paper);border:1px solid var(--line);padding:clamp(18px,2.6vw,28px);display:grid;gap:12px}
.q .qhead{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.qt{font-weight:500;font-size:1.04rem;max-width:72ch}
.qt .no{font:800 1rem var(--serif);color:var(--copper);margin-right:8px}
.opts{display:grid;gap:6px}
.opt{display:grid;grid-template-columns:28px minmax(0,1fr);gap:8px;align-items:start;text-align:left;border:1px solid var(--line);padding:10px 12px;transition:background .15s,border-color .15s;background:var(--paper)}
.opt:hover:not(:disabled){border-color:var(--copper);background:var(--wash)}
.opt .l{font-weight:600;color:var(--muted)}
.opt:disabled{cursor:default}
.opt.right{background:var(--ok-soft);border-color:var(--ok)}
.opt.right .l{color:var(--ok)}
.opt.wrong{background:var(--bad-soft);border-color:var(--bad)}
.opt.wrong .l{color:var(--bad)}
.exp{font-size:.95rem;border-left:4px solid var(--copper);background:var(--stone-deep);padding:12px 16px;max-width:72ch}
.exp b.ok{color:var(--ok)}
.exp b.bad{color:var(--bad)}
.score{position:sticky;bottom:0;background:var(--ink);color:#fff;padding:14px 20px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;border-top:3px solid var(--copper);max-width:900px}
.score b{font:800 1.4rem var(--serif)}
.score .btn{min-height:40px;padding:8px 16px}
.score .btn.ghost{color:#fff;box-shadow:inset 0 0 0 1.5px #fff}
.score .btn.ghost:hover{background:#2d3339}

/* ---------- Formlar ---------- */
.box{background:var(--paper);border:1px solid var(--line);padding:clamp(18px,2.8vw,30px);margin-top:16px;max-width:900px}
.box h3{margin-bottom:8px}
.box p{color:var(--muted);max-width:68ch}
.box .btns{margin-top:16px}
.checks{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:6px 18px;margin-top:14px}
.checks label{display:flex;gap:10px;align-items:center;padding:6px 0;cursor:pointer}
.checks input,.radio input{accent-color:var(--copper);width:18px;height:18px}
.radio{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.radio label{display:flex;gap:8px;align-items:center;padding:8px 14px;border:1px solid var(--line);cursor:pointer}
.radio label:has(input:checked){border-color:var(--copper);background:var(--wash)}
input[type=number],input[type=search],select{padding:10px 12px;border:1px solid var(--line);background:var(--paper);min-height:44px}
input[type=search]{width:100%;font-size:1.05rem}
.flash{padding:12px 16px;background:var(--ok-soft);color:var(--ok);font-weight:600;margin-top:16px;max-width:900px}
.empty{padding:28px;background:var(--paper);border:1px dashed var(--line);color:var(--muted);margin-top:16px;max-width:900px}
.hit{padding:16px 0;border-bottom:1px solid var(--line)}
.hit .where{font-size:.8rem;color:var(--muted)}
.hit .where a{font-weight:600;color:var(--accent-tx)}
.hit h4{font:700 1.05rem/1.35 var(--serif);margin-top:4px}
.hit p{color:var(--muted);margin-top:4px;font-size:.95rem;white-space:pre-line}
mark{background:var(--new-soft);color:inherit;padding:0 2px}

/* ---------- Mobil ---------- */
@media (max-width:960px){
  .rail{transform:translateX(-100%);transition:transform .3s ease;width:min(86vw,320px);box-shadow:none}
  body.menu .rail{transform:none;box-shadow:20px 0 50px rgba(0,0,0,.35)}
  body.menu .scrim{display:block;position:fixed;inset:0;background:rgba(21,24,27,.5);z-index:90}
  .topbar{display:flex;position:sticky;top:0;z-index:80;background:var(--ink);color:#fff;align-items:center;justify-content:space-between;padding:10px 16px;border-top:3px solid var(--copper)}
  .topbar .brand{padding:0}
  .topbar .logo{width:36px;height:36px;font-size:1.15rem;border-bottom-width:3px}
  .topbar .wm strong{font-size:1.1rem}
  .menubtn{display:flex;align-items:center;gap:8px;color:#fff;font-weight:600;padding:8px 4px;min-height:44px}
  .menubtn i{display:block;width:22px;height:2px;background:currentColor;position:relative}
  .menubtn i::before,.menubtn i::after{content:"";position:absolute;left:0;width:22px;height:2px;background:currentColor}
  .menubtn i::before{top:-7px}.menubtn i::after{top:7px}
  main{margin-left:0}
  .count-hero{grid-template-columns:minmax(0,1fr)}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat:nth-child(3){padding-left:0;border-left:0}
}
@media (max-width:560px){
  .krow{grid-template-columns:36px minmax(0,1fr)}
  .krow .r{grid-column:2;text-align:left}
  .krow .r b{display:inline;margin-right:8px}
  .dgrid{grid-template-columns:minmax(0,1fr)}
  .score{margin-inline:-16px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}