/* Layout: tam ekran 3B sahne + adım adım yapılandırma paneli.
   Masaüstü: panel solda sabit. Mobil: alttan açılan, tutamaçtan yukarı/aşağı sürüklenebilen sayfa (3 konum). */
:root{
  --bg:#ECEEE9; --panel:rgba(250,251,248,.97); --fg:#1C231F; --muted:#5E6A63;
  --line:rgba(28,35,31,.14); --accent:#3D6A51; --accent-ink:#fff; --chip:#fff; --soft:rgba(61,106,81,.09);
  --warn:#9a5b1e; --up:#a4472c; --down:#2f7a4f; --dim:#c4552a; --dimbg:rgba(255,255,255,.92); --oid:#b5461f;
  --f-display:"Sora",system-ui,sans-serif; --f-body:"IBM Plex Sans",system-ui,sans-serif; --f-mono:"IBM Plex Mono",ui-monospace,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#131714; --panel:rgba(26,31,28,.97); --fg:#E3E8E3; --muted:#98A49C; --line:rgba(227,232,227,.14);
  --accent:#86BA9A; --accent-ink:#0f1511; --chip:#232925; --soft:rgba(134,186,154,.11);
  --warn:#e0a466; --up:#ec9478; --down:#86c99d; --dim:#f08a5d; --dimbg:rgba(24,28,26,.9); --oid:#f3a072; color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#131714; --panel:rgba(26,31,28,.97); --fg:#E3E8E3; --muted:#98A49C; --line:rgba(227,232,227,.14);
  --accent:#86BA9A; --accent-ink:#0f1511; --chip:#232925; --soft:rgba(134,186,154,.11);
  --warn:#e0a466; --up:#ec9478; --down:#86c99d; --dim:#f08a5d; --dimbg:rgba(24,28,26,.9); --oid:#f3a072; color-scheme:dark}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--fg);font:14px/1.4 var(--f-body);overflow:hidden;-webkit-tap-highlight-color:transparent}
#stage{position:fixed;inset:0}
canvas{display:block;touch-action:none}
button{font:inherit;color:var(--fg)}
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* görünüm araçları (sahnenin sağ üstü) */
.viewtools{position:fixed;top:calc(12px + env(safe-area-inset-top,0px));right:max(12px,env(safe-area-inset-right,0px));display:flex;gap:6px;z-index:5}
.vt{background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:7px 12px;font-size:12.5px;cursor:pointer;backdrop-filter:blur(10px)}
.vt[aria-pressed="true"]{border-color:var(--accent);color:var(--accent);font-weight:600}

/* panel */
.panel{position:fixed;top:calc(16px + env(safe-area-inset-top,0px));left:max(16px,env(safe-area-inset-left,0px));bottom:calc(16px + env(safe-area-inset-bottom,0px));
  width:380px;background:var(--panel);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:16px;display:flex;flex-direction:column;overflow:hidden;z-index:10}
.phead{padding:14px 16px 10px;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:10px}
.grab{display:none}
.brand{display:flex;justify-content:space-between;align-items:center;gap:8px}
.brand h1{font-family:var(--f-display);font-weight:700;font-size:16px;margin:0}
.brand small{font-size:12px;color:var(--muted);white-space:nowrap}
.steps{display:flex;gap:4px}
.steps button{flex:1;min-width:0;height:28px;border:0;background:none;padding:0;cursor:pointer;display:flex;flex-direction:column;gap:4px;align-items:stretch}
.steps button i{display:block;height:4px;border-radius:2px;background:var(--line)}
.steps button span{font-size:10.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.steps button[data-state="done"] i{background:var(--accent);opacity:.5}
.steps button[data-state="now"] i{background:var(--accent)}
.steps button[data-state="now"] span{color:var(--fg);font-weight:600}
.steps button:disabled{cursor:default}
.pbody{flex:1;overflow:auto;padding:14px 16px;display:flex;flex-direction:column;gap:10px;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}
.pfoot{border-top:1px solid var(--line);padding:10px 16px 12px;display:flex;flex-direction:column;gap:8px;background:var(--panel)}
h2{font-family:var(--f-display);font-weight:600;font-size:17px;margin:0;text-wrap:balance}
.lead{margin:0;color:var(--muted);font-size:13px;line-height:1.45}
.lbl{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:8px 0 0;font-weight:500}

/* boy seçimi */
.pick{display:flex;flex-direction:column;gap:6px}
.pick button{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;text-align:left;background:var(--chip);
  border:1px solid var(--line);border-radius:12px;padding:12px 14px;cursor:pointer;min-height:58px}
.pick button:hover{border-color:var(--accent)}
.pick b{font-family:var(--f-display);font-size:22px;font-weight:700;letter-spacing:-.01em}
.pick b small{font-size:12px;font-weight:500;color:var(--muted);margin-left:2px}
.pick span{font-size:12px;color:var(--muted);line-height:1.35}
.pick em{font-style:normal;text-align:right;font-size:11px;color:var(--muted);line-height:1.3}
.pick em strong{display:block;font-family:var(--f-mono);font-size:13.5px;color:var(--fg);font-weight:500}

/* laptop seçimi: boy başlıkları belirgin, model adları ikincil */
.lapgrp{border:1px solid var(--line);border-radius:12px;padding:10px 12px;display:flex;flex-direction:column;gap:8px;background:var(--chip)}
.lapgrp.cur{border-color:var(--accent);background:var(--soft)}
.lapgrp header{display:flex;align-items:baseline;justify-content:space-between;gap:8px}
.lapgrp header b{font-family:var(--f-display);font-size:20px;font-weight:700}
.lapgrp header b small{font-size:12px;font-weight:500;color:var(--muted);margin-left:3px}
.lapgrp header span{font-size:11px;color:var(--muted)}
.laps{display:flex;flex-wrap:wrap;gap:6px}
.laps button{border:1px solid var(--line);background:transparent;border-radius:999px;padding:6px 10px;font-size:11.5px;color:var(--muted);cursor:pointer}
.laps button[aria-pressed="true"]{border-color:var(--accent);color:var(--accent);background:var(--chip);font-weight:600}

.ctl{display:grid;grid-template-columns:1fr auto;gap:2px 10px;align-items:center;padding:2px 0;font-size:13px}
.ctl label{color:var(--muted)}
.ctl output{font-family:var(--f-mono);font-size:12.5px;font-variant-numeric:tabular-nums;text-align:right}
.ctl input[type=range]{grid-column:1/-1;width:100%;accent-color:var(--accent);height:30px;margin:0}
.chk{display:flex;align-items:center;gap:10px;font-size:14px;padding:11px 12px;cursor:pointer;background:var(--chip);border:1px solid var(--line);border-radius:10px}
.chk input{accent-color:var(--accent);width:20px;height:20px;margin:0}
.chk em{margin-left:auto;font-style:normal;font-family:var(--f-mono);font-size:12px;color:var(--muted)}
.inp{width:100%;background:var(--chip);border:1px solid var(--line);border-radius:10px;padding:11px 12px;font:inherit;font-size:16px;color:var(--fg)}
textarea.inp{min-height:70px;resize:vertical}
.seg{display:flex;gap:4px}
.seg button{flex:1;background:var(--chip);border:1px solid var(--line);border-radius:8px;padding:10px;font-size:13.5px;cursor:pointer}
.seg button[aria-pressed="true"]{border-color:var(--accent);color:var(--accent);font-weight:600}
.opts{display:flex;flex-direction:column;gap:6px}
.opt{display:grid;grid-template-columns:auto 1fr auto;gap:2px 10px;text-align:left;background:var(--chip);border:1px solid var(--line);border-radius:10px;padding:10px 12px;cursor:pointer}
.opt[aria-pressed="true"]{border-color:var(--accent);background:var(--soft)}
.opt .dot{width:16px;height:16px;border-radius:50%;border:2px solid var(--line);margin-top:2px;grid-row:span 2}
.opt[aria-pressed="true"] .dot{border-color:var(--accent);background:var(--accent)}
.opt b{font-size:13.5px;font-weight:600;display:flex;gap:6px;align-items:baseline;flex-wrap:wrap}
.opt b i{font-style:normal;font-family:var(--f-mono);font-size:11px;color:var(--muted);font-weight:400}
.opt b u{text-decoration:none;font-size:10px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent)}
.opt > span.desc{font-size:12px;color:var(--muted);line-height:1.4;grid-column:2 / 4}
.opt.risk > span.desc{color:var(--warn)}
.opt > span.pd{grid-column:3;grid-row:1;font-family:var(--f-mono);font-size:11.5px;color:var(--muted);white-space:nowrap}
.pd.up{color:var(--up)} .pd.down{color:var(--down)}
.sw{display:flex;gap:10px;flex-wrap:wrap}
.sw button{width:38px;height:38px;border-radius:50%;border:2px solid var(--chip);box-shadow:0 0 0 1px var(--line);cursor:pointer;padding:0}
.sw button[aria-pressed="true"]{box-shadow:0 0 0 3px var(--accent)}
.swname{font-size:12px;color:var(--muted)}
.mover{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:center}
.pad{display:grid;grid-template-columns:repeat(3,44px);grid-template-rows:repeat(3,44px);gap:4px}
.pad button{background:var(--chip);border:1px solid var(--line);border-radius:10px;cursor:pointer;font-size:17px;padding:0;touch-action:none;user-select:none;-webkit-user-select:none}
.pad button:active{background:var(--soft)}
.pad .c{font-size:14px;color:var(--muted)}
.pos{font-family:var(--f-mono);font-size:12.5px;font-variant-numeric:tabular-nums;line-height:1.6}
.pos small{display:block;font-family:var(--f-body);color:var(--muted);font-size:11.5px}
.meta{font-size:12px;color:var(--muted);line-height:1.45}
.field{display:flex;flex-direction:column;gap:4px}
.field label{font-size:12.5px;color:var(--muted)}
.field .err{font-size:12px;color:var(--up)}
.field .err:empty{display:none}
.notice{font-size:12.5px;line-height:1.45;border:1px solid var(--line);background:var(--soft);border-radius:10px;padding:10px 12px}
.notice.bad{border-color:var(--up)}
.oidbar{display:flex;align-items:center;justify-content:space-between;gap:10px;border:1.5px dashed var(--oid);border-radius:12px;padding:10px 12px}
.oidbar small{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.oidbar strong{font-family:var(--f-mono);font-size:21px;font-weight:600;color:var(--oid);letter-spacing:.04em;user-select:all}
.sumtbl{width:100%;border-collapse:collapse;font-size:12.5px}
.sumtbl td{padding:6px 0;border-bottom:1px solid var(--line);vertical-align:top}
.sumtbl td:last-child{text-align:right;font-variant-numeric:tabular-nums;padding-left:10px}
.sumtbl td.num{font-family:var(--f-mono);white-space:nowrap}
.sumtbl tr.tot td{font-weight:700;border-bottom:0;font-size:15px}
#paytrbox iframe{width:100%;min-height:560px;border:0;border-radius:10px;background:#fff}
.ok{display:flex;flex-direction:column;gap:12px;align-items:stretch}
.ok .big{font-family:var(--f-display);font-size:22px;font-weight:700}

.price{display:flex;justify-content:space-between;align-items:flex-end;gap:10px}
.price .tot{font-family:var(--f-display);font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1}
.price .tot small{display:block;font-family:var(--f-body);font-size:11px;color:var(--muted);font-weight:400;margin-bottom:4px}
.price .delta{font-family:var(--f-mono);font-size:12px;text-align:right;line-height:1.35}
.price .delta small{display:block;font-family:var(--f-body);color:var(--muted);font-size:11px}
.brk{font-size:12px}
.brk summary{cursor:pointer;color:var(--muted);list-style:none}
.brk summary::-webkit-details-marker{display:none}
.brk summary::before{content:"▸ "}
.brk[open] summary::before{content:"▾ "}
.brk table{width:100%;border-collapse:collapse;margin-top:6px}
.brk td{padding:3px 0;font-variant-numeric:tabular-nums}
.brk td:nth-child(2),.brk td:nth-child(3){text-align:right;font-family:var(--f-mono);white-space:nowrap;padding-left:8px}
.nav{display:flex;gap:8px}
.btn{flex:1;border-radius:12px;padding:13px;font-weight:600;font-size:15px;cursor:pointer;border:1px solid var(--line);background:var(--chip);min-height:48px}
.btn.pri{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);flex:2}
.btn:disabled{opacity:.55;cursor:default}

.tag{position:fixed;left:0;top:0;pointer-events:none;text-align:center;white-space:nowrap;z-index:2}
.tag b{display:block;font-family:var(--f-display);font-size:15px;font-weight:700}
.tag i{font-style:normal;font-family:var(--f-mono);font-size:11px;color:var(--muted)}
.dl{position:fixed;left:0;top:0;pointer-events:none;white-space:nowrap;font-family:var(--f-mono);font-size:11.5px;font-weight:500;z-index:2;
  color:var(--dim);background:var(--dimbg);border:1px solid var(--dim);border-radius:6px;padding:2px 6px;font-variant-numeric:tabular-nums}
.dl small{font-family:var(--f-body);color:var(--muted);font-weight:400;margin-right:4px}
.hint{position:fixed;right:max(16px,env(safe-area-inset-right,0px));bottom:calc(14px + env(safe-area-inset-bottom,0px));font-size:12px;color:var(--muted)}

/* ---------- mobil: sürüklenebilir alt sayfa ---------- */
@media (max-width:760px){
  .panel{top:auto;left:0;right:0;bottom:0;width:auto;height:var(--sheet-h,58dvh);max-height:calc(100dvh - 56px - env(safe-area-inset-top,0px));
    border-radius:20px 20px 0 0;border-bottom:0;box-shadow:0 -8px 30px rgba(0,0,0,.12);
    padding-left:env(safe-area-inset-left,0px);padding-right:env(safe-area-inset-right,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
  .panel.anim{transition:height .26s cubic-bezier(.2,.8,.2,1)}
  .phead{padding:0 16px 8px;gap:8px;touch-action:none;cursor:grab}
  .grab{display:flex;justify-content:center;padding:9px 0 3px}
  .grab i{width:42px;height:5px;border-radius:3px;background:var(--line)}
  .brand h1{font-size:15px}
  .steps{overflow-x:auto;scrollbar-width:none;gap:6px;touch-action:pan-x}
  .steps::-webkit-scrollbar{display:none}
  .steps button{flex:0 0 auto;min-width:64px}
  .pbody{padding:12px 16px}
  .pfoot{padding:8px 16px 10px;gap:6px}
  .price .tot{font-size:20px}
  .hint{display:none}
  .tag b{font-size:13px} .tag i{display:none}
  .dl{font-size:10.5px;padding:1px 5px}
  .dl small{display:none}
  .vt{padding:6px 10px;font-size:12px}
}
@media (prefers-reduced-motion:reduce){.panel.anim{transition:none}}