:root{
    --turq:#14b8a6;--turq-d:#0f766e;--turq-l:#5eead4;--cyan:#06b6d4;
    --red:#e11d48;--ink:#0f2f2b;--muted:#5b7a75;--line:#cfe8e2;--bg:#effcf9;
    --card:#ffffff;--shadow:0 10px 34px rgba(13,118,110,.14);
  }
  *{box-sizing:border-box;}
  html,body{margin:0;padding:0;}
  body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
    background:radial-gradient(1100px 500px at 90% -10%, #cffafe 0%, transparent 60%),var(--bg);
    color:var(--ink);line-height:1.45;-webkit-font-smoothing:antialiased;}
  .app{max-width:1320px;margin:0 auto;padding:18px 18px 60px;}

  /* DİL SEÇİM EKRANI */
  .gate{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;
    background:linear-gradient(130deg,#0b3d38 0%,#0f766e 45%,#14b8a6 100%);}
  .gate-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(6px);
    border-radius:22px;padding:40px 48px;text-align:center;color:#fff;box-shadow:0 30px 80px rgba(0,0,0,.35);max-width:90vw;}
  .gate-card .logo{font-size:64px;filter:drop-shadow(0 3px 6px rgba(0,0,0,.3));}
  .gate-card h2{margin:10px 0 4px;font-size:24px;font-weight:800;line-height:1.3;}
  .gate-card p{margin:0 0 24px;opacity:.85;font-size:15px;letter-spacing:.5px;}
  .gate-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
  .gate-btns button{border:none;border-radius:14px;padding:16px 34px;font-size:18px;font-weight:800;cursor:pointer;
    background:#fff;color:#0f766e;box-shadow:0 8px 20px rgba(0,0,0,.25);transition:.14s;min-width:170px;}
  .gate-btns button:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(0,0,0,.3);}

  header.top{background:linear-gradient(120deg,#115e59 0%,#0f766e 40%,#14b8a6 80%,#06b6d4 130%);
    color:#fff;border-radius:18px;padding:20px 26px;box-shadow:var(--shadow);
    display:flex;align-items:center;gap:18px;flex-wrap:wrap;}
  header.top .logo{font-size:38px;line-height:1;filter:drop-shadow(0 2px 4px rgba(0,0,0,.25));}
  header.top h1{margin:0;font-size:22px;font-weight:800;letter-spacing:.2px;}
  header.top p{margin:2px 0 0;font-size:13.5px;opacity:.92;}
  .head-right{margin-left:auto;display:flex;flex-direction:column;align-items:flex-end;gap:8px;}
  .badge{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
    padding:6px 12px;border-radius:999px;font-size:12px;font-weight:600;}
  .home-link{color:#fff;text-decoration:none;font-weight:800;font-size:14px;letter-spacing:.2px;}
  .home-link .if{color:#99f6e4;}
  .home-link:hover{text-decoration:underline;}
  .langsw{display:flex;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
    border-radius:999px;padding:3px;gap:2px;}
  .langsw button{border:none;background:transparent;color:#e8fffb;font-weight:800;font-size:13px;
    padding:5px 14px;border-radius:999px;cursor:pointer;transition:.12s;letter-spacing:.5px;}
  .langsw button.active{background:#fff;color:var(--turq-d);box-shadow:0 2px 6px rgba(0,0,0,.18);}

  .main{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:18px;margin-top:18px;}
  .card{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);}
  .stage-card{overflow:hidden;display:flex;flex-direction:column;}
  canvas#stage{width:100%;height:auto;display:block;background:#ffffff;touch-action:none;}
  canvas#stage.grabbing{cursor:grabbing !important;}

  .result-bar{display:flex;align-items:stretch;gap:1px;background:var(--line);border-top:1px solid var(--line);}
  .result-cell{flex:1;background:#fff;padding:12px 14px;text-align:center;}
  .result-cell .lbl{font-size:11px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);font-weight:700;}
  .result-cell .val{font-size:26px;font-weight:800;color:var(--turq-d);margin-top:2px;}
  .result-cell .val small{font-size:14px;color:var(--muted);font-weight:600;}
  .result-cell.secondary .val{font-size:16px;color:var(--ink);}

  .controls-card{padding:18px;}
  .controls-card h2{margin:0 0 4px;font-size:15px;font-weight:800;}
  .controls-card .hint{font-size:12px;color:var(--muted);margin:0 0 14px;}
  .field{margin-bottom:14px;}
  .field .flabel{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:7px;}
  .field .flabel .name{font-size:13.5px;font-weight:700;}
  .field .flabel .name .en{font-weight:500;color:var(--muted);font-size:11.5px;}
  .field .flabel .fval{font-size:14px;font-weight:800;color:var(--turq-d);
    background:#d9f6f0;border-radius:8px;padding:2px 9px;min-width:52px;text-align:center;}

  .seg{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;}
  .seg.two{grid-template-columns:repeat(2,1fr);}
  .seg button{border:1.5px solid var(--line);background:#f4fbfa;color:var(--ink);
    padding:9px 0;border-radius:9px;font-weight:700;font-size:14px;cursor:pointer;transition:.12s;}
  .seg button:hover{border-color:var(--turq-l);}
  .seg button.active{background:var(--turq);border-color:var(--turq);color:#fff;box-shadow:0 4px 12px rgba(20,184,166,.4);}

  input[type=range]{width:100%;accent-color:var(--turq);height:24px;cursor:pointer;}

  .swatches{display:flex;gap:8px;flex-wrap:wrap;}
  .swatches button{width:30px;height:30px;border-radius:8px;border:2px solid #fff;cursor:pointer;
    box-shadow:0 0 0 1.5px var(--line);transition:.12s;}
  .swatches button:hover{transform:scale(1.08);}
  .swatches button.active{box-shadow:0 0 0 2.5px var(--turq-d);}

  .launch-btn{width:100%;margin-top:6px;background:linear-gradient(120deg,var(--turq-d),var(--turq),var(--cyan));
    color:#fff;border:none;border-radius:12px;padding:15px;font-size:17px;font-weight:800;cursor:pointer;
    box-shadow:0 8px 20px rgba(20,184,166,.4);transition:.12s;letter-spacing:.3px;}
  .launch-btn:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(20,184,166,.5);}
  .launch-btn:active{transform:translateY(0);}

  .opts{display:flex;flex-direction:column;gap:9px;margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);}
  .opt-row{display:flex;align-items:center;justify-content:space-between;font-size:13px;}
  .opt-row label{display:flex;align-items:center;gap:8px;cursor:pointer;user-select:none;}
  .opt-row input[type=number]{width:64px;padding:6px 8px;border:1.5px solid var(--line);border-radius:8px;font-size:14px;text-align:center;}
  .opt-row input[type=checkbox]{width:17px;height:17px;accent-color:var(--turq);cursor:pointer;}

  .table-card{margin-top:18px;padding:18px;}
  .table-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px;}
  .table-head h2{margin:0;font-size:16px;font-weight:800;}
  .table-head .count{background:#d9f6f0;color:var(--turq-d);font-weight:700;font-size:12.5px;padding:3px 11px;border-radius:999px;}
  .table-head .tbtns{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap;}
  .tbtn{border:1.5px solid var(--line);background:#fff;color:var(--ink);padding:8px 13px;border-radius:9px;
    font-size:13px;font-weight:700;cursor:pointer;transition:.12s;}
  .tbtn:hover{border-color:var(--turq-l);background:#f4fbfa;}
  .tbtn.primary{background:var(--turq);border-color:var(--turq);color:#fff;}
  .tbtn.primary:hover{background:var(--turq-d);}
  .tbtn.danger{color:var(--red);border-color:#fbcfe0;}
  .tbtn.danger:hover{background:#fff1f5;}

  .entry{display:flex;align-items:flex-end;gap:12px;flex-wrap:wrap;background:#f0faf8;border:1px solid var(--line);
    border-radius:12px;padding:12px 14px;margin-bottom:14px;}
  .entry .eg{display:flex;flex-direction:column;gap:4px;}
  .entry .eg span{font-size:10.5px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.4px;}
  .entry .eg input{width:74px;padding:7px 8px;border:1.5px solid var(--line);border-radius:8px;font-size:14px;text-align:center;font-weight:700;}
  .entry .efire{margin-left:auto;background:var(--turq);border:none;color:#fff;font-weight:800;font-size:14px;
    padding:10px 20px;border-radius:10px;cursor:pointer;transition:.12s;box-shadow:0 4px 12px rgba(20,184,166,.35);}
  .entry .efire:hover{background:var(--turq-d);}
  .entry .etitle{width:100%;font-size:12.5px;font-weight:700;color:#26514b;margin-bottom:2px;}

  .table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;}
  table{border-collapse:collapse;width:100%;font-size:13.5px;min-width:640px;}
  thead th{background:#f0faf8;text-align:center;padding:11px 10px;font-weight:700;color:#26514b;
    border-bottom:2px solid var(--line);white-space:nowrap;}
  thead th .en{display:block;font-weight:500;font-size:10.5px;color:var(--muted);}
  tbody td{text-align:center;padding:9px 10px;border-bottom:1px solid var(--line);}
  tbody tr:nth-child(even){background:#fafefd;}
  tbody tr:hover{background:#e9fbf7;}
  tbody td.dist{font-weight:800;color:var(--turq-d);}
  tbody .empty td{color:var(--muted);font-style:italic;padding:22px;}

  .stats{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;}
  #stats{display:none;} /* JS kayıt geldiğinde inline style ile açar (CSP: style attr yasak) */
  .stat{flex:1;min-width:110px;background:#f0faf8;border:1px solid var(--line);border-radius:11px;padding:10px 14px;text-align:center;}
  .stat .s-lbl{font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);font-weight:700;}
  .stat .s-val{font-size:19px;font-weight:800;margin-top:2px;}

  footer.foot{margin-top:22px;text-align:center;color:var(--muted);font-size:12px;line-height:1.7;}
  @media(max-width:900px){.main{grid-template-columns:1fr;}.controls-card{order:-1;}}