:root{
  --navy:#14203d;--navy2:#0b1328;--gold:#d9a441;--gold2:#f0c66b;--ivory:#f7f3ea;--paper:#fffdf8;
  --ink:#1b2236;--muted:#5d667a;--line:#e3dccb;--line2:#d4cab3;--red:#b4403a;--green:#2f7d55;
  --serif:"Source Serif 4",Cambria,Georgia,serif;--sans:Inter,"Segoe UI",system-ui,sans-serif;
  --r:14px;--sh:0 1px 2px rgba(20,32,61,.06),0 8px 24px rgba(20,32,61,.07);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ivory);color:var(--ink);font:15.5px/1.6 var(--sans);-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
main{flex:1;outline:none}
a{color:var(--navy)}
h1,h2,h3{font-family:var(--serif);color:var(--navy);line-height:1.15;margin:0 0 .4em;font-weight:600;letter-spacing:-.01em}
img{max-width:100%;display:block}
svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
svg.g{stroke:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.narrow{max-width:560px;padding-top:56px;padding-bottom:56px}
.eyebrow{font:600 11.5px/1.2 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:#a87a22;margin:0 0 8px}
.muted{color:var(--muted)} .sm{font-size:13px}
.boot{padding:80px 24px;text-align:center;color:var(--muted)}

/* üst çubuk */
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 24px;background:rgba(247,243,234,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy)}
.mark svg{width:34px;height:34px;stroke:none}
.bt{display:flex;flex-direction:column;line-height:1.15}.bt b{font:600 16px var(--serif)}.bt small{font-size:11.5px;color:var(--muted)}
nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap;justify-content:flex-end}
.nl{padding:7px 12px;border-radius:8px;text-decoration:none;font-weight:500;font-size:14px}.nl:hover{background:#ece5d5}
.who{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);padding:0 6px;max-width:220px}
.who span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.who img,.ini{width:28px;height:28px;border-radius:50%;flex:none}
.ini{display:inline-grid;place-items:center;background:var(--navy);color:var(--gold2);font-weight:600;text-transform:uppercase}

/* düğmeler */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:10px;padding:11px 18px;font:600 14.5px var(--sans);cursor:pointer;text-decoration:none;transition:transform .12s,background .15s,box-shadow .15s;white-space:nowrap}
.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.6;cursor:wait}
.btn.sm{padding:7px 12px;font-size:13px;border-radius:8px}
.btn.gold{background:var(--gold2);color:var(--navy2);box-shadow:0 2px 0 #b98a2c}.btn.gold:hover{background:#f5d283}
.btn.navy{background:var(--navy);color:#fff}.btn.navy:hover{background:#1f2e54}
.btn.line{background:var(--paper);border-color:var(--line2);color:var(--navy)}.btn.line:hover{border-color:var(--navy)}
.btn.ghost{background:transparent;color:var(--navy);border-color:var(--line2)}.btn.ghost:hover{background:#ece5d5}
.btn.ghost.inv{color:#fff;border-color:rgba(255,255,255,.25)}.btn.ghost.inv:hover{background:rgba(255,255,255,.1)}
.btn .g{width:18px;height:18px}
.spin{width:14px;height:14px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;display:inline-block;animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}

/* kahraman alanı */
.hero{background:radial-gradient(120% 90% at 85% 10%,#1d2c52 0,var(--navy) 45%,var(--navy2) 100%);color:#dfe4f0;overflow:hidden;position:relative}
.hero:before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1.2px);background-size:22px 22px;pointer-events:none}
.hgrid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding-top:72px;padding-bottom:80px;position:relative}
.hero .eyebrow{color:var(--gold)}
.hero h1{color:#fff;font-size:clamp(32px,4.4vw,54px);font-weight:500;margin-bottom:18px}
.hero h1 em{display:block;font-style:normal;font-weight:700;color:var(--gold2)}
.lead{font-size:17.5px;line-height:1.6;max-width:56ch;margin:0 0 26px}
.hero .lead{color:#c7cfe0}
.cta{display:flex;gap:12px;flex-wrap:wrap}
.hero .btn.line{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}.hero .btn.line:hover{border-color:var(--gold2)}
.fine{display:flex;gap:8px;align-items:center;font-size:13px;color:#9aa6c0;margin-top:22px}
.hart{position:relative;min-height:380px;display:grid;place-items:center}
.spiral{position:absolute;width:150%;height:auto;left:-20%;top:50%;transform:translateY(-50%);opacity:.9}
.spiral .sq rect{fill:none;stroke:rgba(217,164,65,.38);stroke-width:.6}
.spiral .arc{fill:none;stroke:var(--gold2);stroke-width:1.6;filter:drop-shadow(0 0 6px rgba(240,198,107,.35))}
.cover{position:relative;width:min(300px,80%);border-radius:6px;box-shadow:0 30px 60px rgba(0,0,0,.45),0 0 0 1px rgba(255,255,255,.08);transform:rotate(-2deg)}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:-34px;position:relative;z-index:2}
.steps>div{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:22px;box-shadow:var(--sh)}
.steps span{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--navy);color:var(--gold2);font:600 14px var(--serif);margin-bottom:10px}
.steps h3{font-size:19px;margin-bottom:4px}.steps p{margin:0;color:var(--muted);font-size:14.5px}
.sec{font-size:26px;margin:56px 0 18px}
.toc{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:18px;margin-bottom:72px}
.tch{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:20px 22px}
.tch h3{font-size:20px}
.tch ol{list-style:none;margin:8px 0 0;padding:0}
.tch li{display:flex;gap:10px;padding:5px 0;border-top:1px dashed var(--line);font-size:14.5px}
.tch .no{font:600 12px/1.9 var(--sans);color:#a87a22;min-width:22px}

/* kart ve sayfa */
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:32px;box-shadow:var(--sh)}
.card.center{text-align:center}.card.center .btn{margin:6px 4px 0}
.card.warn{border-color:#e7c27a;background:#fff8e8;margin-bottom:24px}
.badge{display:inline-block;padding:5px 12px;border-radius:99px;font:600 12px var(--sans);letter-spacing:.05em;margin-bottom:14px}
.badge.amber{background:#fbefd2;color:#8a5f12}.badge.red{background:#f6dcd9;color:var(--red)}
.fld{display:block;text-align:left;font-size:13.5px;color:var(--muted);margin:18px 0 8px}
textarea,input{width:100%;font:15px var(--sans);padding:10px 12px;border:1px solid var(--line2);border-radius:10px;background:#fff;color:var(--ink);margin-top:6px}
textarea:focus,input:focus{outline:2px solid var(--gold2);border-color:var(--gold)}
.thumb{width:100%;max-width:300px;border-radius:8px;box-shadow:var(--sh);border:1px solid var(--line)}
.thumb.big{max-width:170px;margin:0 auto 16px}

.libhead{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;padding-top:40px;flex-wrap:wrap}
.h1{font-size:clamp(30px,3.6vw,42px)}
.libhead input{max-width:340px;margin:0}
.bookbar{display:flex;align-items:center;gap:16px;background:var(--navy);color:#cfd6e6;border-radius:var(--r);padding:14px 18px;margin:22px 0 6px;flex-wrap:wrap}
.bookbar img{width:46px;border-radius:3px}
.bookbar div{flex:1;min-width:220px;display:flex;flex-direction:column}.bookbar b{color:#fff;font:600 16px var(--serif)}.bookbar span{font-size:13px}
.bookbar .btn.line{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0 4px}
.chip{border:1px solid var(--line2);background:var(--paper);color:var(--navy);border-radius:99px;padding:7px 14px;font:500 13.5px var(--sans);cursor:pointer}
.chip.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.chap{margin-top:34px}
.chead{display:flex;align-items:center;gap:14px;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--navy)}
.cno{width:42px;height:42px;border-radius:10px;background:var(--navy);color:var(--gold2);display:grid;place-items:center;font:700 20px var(--serif)}
.chead h2{font-size:24px;margin:0}.chead p{margin:0;font-size:13px;color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:18px}
.act{display:grid;grid-template-columns:96px 1fr;gap:16px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:16px;transition:box-shadow .2s,border-color .2s}
.act:hover{box-shadow:var(--sh);border-color:var(--line2)}
.ath img{width:96px;border-radius:5px;border:1px solid var(--line)}
.act h3{font-size:18.5px;margin-bottom:4px}.act h3 a{text-decoration:none}
.act .sub{font-size:13.5px;color:var(--muted);margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.acts{display:flex;gap:6px;flex-wrap:wrap}.acts.big{gap:10px;margin-top:22px}
.empty{text-align:center;color:var(--muted);padding:40px}
.backl{display:inline-flex;align-items:center;gap:4px;margin:28px 0 18px;text-decoration:none;font-weight:500;font-size:14px}
.detail{display:grid;grid-template-columns:300px 1fr;gap:44px;align-items:start}
.meta{display:grid;grid-template-columns:auto 1fr;gap:6px 18px;margin:0;font-size:14.5px}.meta dt{color:var(--muted)}.meta dd{margin:0;font-weight:500}
.pn{display:flex;justify-content:space-between;gap:12px;margin:48px 0 64px;padding-top:18px;border-top:1px solid var(--line);font-size:14px}.pn a{text-decoration:none}

/* akıllı tahta görünümü */
body.board{background:var(--navy2);overflow:hidden}
body.board .top,body.board .foot{display:none}
.bbar{height:48px;display:flex;align-items:center;gap:12px;padding:0 12px;background:var(--navy2);color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.bt2{flex:1;font-size:14px;color:#c7cfe0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.bt2 b{color:var(--gold2);margin-right:6px}
.frame{position:fixed;inset:48px 0 0 0;background:#fff}
.frame iframe{width:100%;height:100%;border:0;display:block}
.boot.inv{color:#c7cfe0;background:var(--navy2);height:100%;display:flex;gap:10px;align-items:center;justify-content:center}

/* yönetim */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0 6px}
.stats div{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px}
.stats b{display:block;font:700 28px var(--serif);color:var(--navy)}.stats span{font-size:13px;color:var(--muted)}
.ulist{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin-bottom:12px}
.urow{display:grid;grid-template-columns:1fr auto auto;gap:16px;align-items:center;padding:12px 16px;border-top:1px solid var(--line)}
.urow:first-child{border-top:0}
.uinfo{display:flex;gap:12px;align-items:center;min-width:0}.uinfo img,.uinfo .ini{width:36px;height:36px;border-radius:50%}
.uinfo div{display:flex;flex-direction:column;min-width:0}.uinfo span{font-size:13px;color:var(--muted);overflow:hidden;text-overflow:ellipsis}
.uinfo em{font-size:12.5px;color:var(--ink);font-style:normal;background:#f3eddf;padding:2px 8px;border-radius:6px;margin-top:3px}
.uact{display:flex;gap:6px}
.row{display:flex;gap:10px}.row input{margin:0}
code{background:#efe8d8;padding:1px 6px;border-radius:5px;font-size:.92em}

.foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:22px 24px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);margin-top:40px}
#toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);background:var(--navy);color:#fff;padding:11px 18px;border-radius:10px;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:99;box-shadow:var(--sh)}
#toast.on{opacity:1;transform:translate(-50%,0)}

@media (max-width:900px){
  .hgrid{grid-template-columns:1fr;padding-top:48px;gap:24px}.hart{min-height:300px}
  .steps{grid-template-columns:1fr;margin-top:24px}
  .detail{grid-template-columns:1fr;gap:20px}.detail .thumb{max-width:200px}
  .urow{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr 1fr}
}
@media (max-width:560px){
  .wrap{padding:0 16px}.top{padding:8px 16px}.bt small{display:none}.who span:last-child{display:none}
  .grid{grid-template-columns:1fr}.act{grid-template-columns:72px 1fr}.ath img{width:72px}
  .libhead input{max-width:none}.stats b{font-size:22px}
}