/* NOC-Kit — tüm arayüz stilleri. Renkler :root üzerindeki değişkenlerden gelir. */
  :root{
    --bg:#0E1218; --bg-grid:#141a23; --panel:#161C25; --panel-alt:#1C2330; --panel-raised:#212938;
    --border:#2A3242; --border-soft:#20283584;
    --text:#E8E7E1; --text-dim:#8C93A3; --text-faint:#5B6473;
    --accent:#C7926A; --accent-soft:#33261C; --accent-ring:rgba(199,146,106,.35);
    --accent2:#4FD1C0; --accent2-soft:#123330;
    --danger:#E4676B; --danger-soft:#3A1E20; --success:#63D98A;
    --warn:#E7C13D; --warn-soft:#3A3218;
    --sans:'IBM Plex Sans', system-ui, -apple-system, sans-serif;
    --mono:'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
    --radius:4px;
    --scroll:var(--border); --scroll-h:var(--text-faint);
  }
  :root[data-theme="light"]{
    --bg:#F3F2EE; --bg-grid:#EAE9E3; --panel:#FFFFFF; --panel-alt:#F6F5F1; --panel-raised:#FFFFFF;
    --border:#DAD8D0; --border-soft:#e5e3db84;
    --text:#1B1E24; --text-dim:#5A6070; --text-faint:#8A8F9C;
    --accent:#8A5A2B; --accent-soft:#F1E3D6; --accent-ring:rgba(138,90,43,.25);
    --accent2:#127F73; --accent2-soft:#DBF0EC;
    --danger:#B23A3E; --danger-soft:#F5DEDE; --success:#2E9A57;
    --warn:#9A6B12; --warn-soft:#F3E9CC;
    --scroll:#DAD8D0; --scroll-h:#8A8F9C;
  }
  *{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  html,body{margin:0;padding:0;}
  body{
    background:linear-gradient(var(--bg-grid) 1px, transparent 1px) 0 0/100% 42px, var(--bg);
    color:var(--text); font-family:var(--sans); min-height:100vh; -webkit-font-smoothing:antialiased;
  }
  ::selection{ background:var(--accent-soft); color:var(--accent); }
  button,select{font-family:inherit;}
  :focus-visible{ outline:2px solid var(--accent); outline-offset:2px; }

  /* scrollbars */
  *{scrollbar-width:thin; scrollbar-color:var(--scroll) transparent;}
  *::-webkit-scrollbar{width:10px;height:10px;}
  *::-webkit-scrollbar-track{background:transparent;}
  *::-webkit-scrollbar-thumb{background:var(--scroll);border-radius:6px;border:2px solid transparent;background-clip:padding-box;}
  *::-webkit-scrollbar-thumb:hover{background:var(--scroll-h);background-clip:padding-box;}
  *::-webkit-scrollbar-corner{background:transparent;}

  .shell{ max-width:1240px; margin:0 auto; padding:20px 20px 60px; }
  .topbar{
    position:sticky; top:0; z-index:40; display:flex; align-items:center; justify-content:space-between; gap:12px;
    padding:11px 18px; border:1px solid var(--border); background:color-mix(in srgb,var(--panel) 92%,transparent);
    backdrop-filter:blur(8px); border-radius:var(--radius); margin-bottom:18px;
    font-family:var(--mono); font-size:12.5px; color:var(--text-dim); flex-wrap:wrap;
  }
  .topbar .prompt{ color:var(--text); }
  .topbar .prompt b{ color:var(--accent); font-weight:600; }
  .cursor{ display:inline-block; width:7px; height:14px; background:var(--accent); margin-left:2px; vertical-align:-2px; animation:blink 1.1s steps(1) infinite; }
  @media (prefers-reduced-motion:reduce){ .cursor{ animation:none; } }
  @keyframes blink{ 50%{ opacity:0; } }
  .topbar-right{ display:flex; align-items:center; gap:12px; flex-wrap:wrap; }
  .dot-live{ width:6px; height:6px; border-radius:50%; background:var(--success); display:inline-block; margin-right:6px; box-shadow:0 0 0 3px color-mix(in srgb,var(--success) 22%,transparent); }
  .seg{ background:transparent; border:1px solid var(--border); color:var(--text-dim); font-family:var(--mono); font-size:11px; padding:4px 9px; border-radius:var(--radius); cursor:pointer; transition:color .12s,border-color .12s; }
  .seg:hover{ color:var(--text); border-color:var(--text-faint); }
  .seg.active{ color:var(--accent); border-color:var(--accent); background:var(--accent-soft); }

  .header{ margin:6px 4px 22px; }
  .header h1{ font-size:30px; font-weight:600; letter-spacing:-0.01em; margin:0 0 6px; }
  .header p{ margin:0; color:var(--text-dim); font-size:14px; max-width:68ch; line-height:1.55; }
  .header .meta{ display:flex; gap:8px; margin-top:12px; flex-wrap:wrap; }
  .header .chip{ display:inline-flex; align-items:center; gap:6px; font-family:var(--mono); font-size:10.5px; padding:3px 9px; border:1px solid var(--border); border-radius:20px; color:var(--text-dim); }
  .header .chip b{ color:var(--accent); }

  .layout{ display:grid; grid-template-columns:236px 1fr; gap:20px; align-items:start; }
  @media (max-width:900px){ .layout{ grid-template-columns:1fr; } }

  .nav{ border:1px solid var(--border); background:var(--panel); border-radius:var(--radius); overflow:hidden; position:sticky; top:64px; max-height:calc(100vh - 84px); display:flex; flex-direction:column; }
  @media (max-width:900px){ .nav{ position:static; max-height:none; } }
  .nav-search{ padding:10px 12px; border-bottom:1px solid var(--border-soft); }
  .nav-search input{ width:100%; background:var(--panel-alt); border:1px solid var(--border); color:var(--text); padding:8px 10px; border-radius:var(--radius); font-family:var(--mono); font-size:12px; }
  .nav-search input:focus{ outline:none; border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-ring); }
  .nav-scroll{ overflow-y:auto; overflow-x:hidden; }
  @media (max-width:900px){ .nav-scroll{ display:flex; overflow-x:auto; overflow-y:visible; } }
  .nav-group-label{ padding:10px 14px 4px; font-size:10px; text-transform:uppercase; letter-spacing:.07em; color:var(--text-faint); font-family:var(--mono); display:flex; align-items:center; justify-content:space-between; }
  .nav-group-label .cnt{ color:var(--text-faint); font-size:9.5px; }
  @media (max-width:900px){ .nav-group-label{ display:none; } }
  .nav-item{ display:flex; align-items:center; gap:10px; padding:10px 14px; border-bottom:1px solid var(--border-soft); cursor:pointer; color:var(--text-dim); font-size:12.8px; position:relative; background:transparent; transition:background .12s,color .12s; white-space:nowrap; }
  @media (max-width:900px){ .nav-item{ border-bottom:none; border-right:1px solid var(--border-soft); flex:0 0 auto; } }
  .nav-item svg{ width:15px; height:15px; flex:none; opacity:.8; }
  .nav-item .lbl{ display:flex; flex-direction:column; line-height:1.25; min-width:0; }
  .nav-item .lbl small{ display:block; font-family:var(--mono); font-size:9.5px; color:var(--text-faint); letter-spacing:.02em; overflow:hidden; text-overflow:ellipsis; }
  .nav-item:hover{ background:var(--panel-alt); color:var(--text); }
  .nav-item.active{ background:var(--panel-alt); color:var(--text); }
  .nav-item.active::before{ content:""; position:absolute; left:0; top:0; bottom:0; width:2.5px; background:var(--accent); }
  @media (max-width:900px){ .nav-item.active::before{ top:auto; bottom:0; left:0; right:0; width:auto; height:2.5px; } }
  .nav-item.active svg{ color:var(--accent); opacity:1; }
  .nav-item.hidden{ display:none; }

  .panel{ border:1px solid var(--border); background:var(--panel); border-radius:var(--radius); padding:26px; }
  @media (max-width:560px){ .panel{ padding:18px; } }

  .view{ display:none; animation:rise .3s ease both; }
  .view.active{ display:block; }
  @keyframes rise{ from{ opacity:0; transform:translateY(6px); } to{ opacity:1; transform:none; } }
  @media (prefers-reduced-motion:reduce){ .view{ animation:none; } }

  .view-head{ margin-bottom:22px; padding-bottom:16px; border-bottom:1px solid var(--border-soft); }
  .view-head h2{ margin:0 0 5px; font-size:17px; font-weight:600; display:flex; align-items:center; flex-wrap:wrap; gap:8px; }
  .view-head p{ margin:0; color:var(--text-dim); font-size:13px; max-width:72ch; }

  .field{ margin-bottom:16px; }
  .field label{ display:block; font-size:11.5px; color:var(--text-dim); margin-bottom:6px; font-weight:500; }
  .field label .req{ color:var(--accent); }
  .row{ display:grid; gap:14px; }
  .row-2{ grid-template-columns:1fr 1fr; }
  .row-3{ grid-template-columns:1.4fr 1fr 1fr; }
  .row-4{ grid-template-columns:1fr 1fr 1fr 1fr; }
  @media (max-width:680px){ .row-2,.row-3,.row-4{ grid-template-columns:1fr; } }

  input[type=text], input[type=number], input[type=password], select, textarea{
    width:100%; background:var(--panel-alt); border:1px solid var(--border); color:var(--text);
    padding:10px 12px; border-radius:var(--radius); font-family:var(--mono); font-size:13.5px;
    transition:border-color .12s,box-shadow .12s;
  }
  textarea{ resize:vertical; min-height:64px; }
  input::placeholder, textarea::placeholder{ color:var(--text-faint); }
  input:focus, select:focus, textarea:focus{ outline:none; border-color:var(--accent); box-shadow:0 0 0 3px var(--accent-ring); }
  select{ appearance:none; -webkit-appearance:none;
    background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238C93A3' stroke-width='2'><path d='M6 9l6 6 6-6'/></svg>");
    background-repeat:no-repeat; background-position:right 10px center; background-size:16px; padding-right:34px;
  }
  .checkrow{ display:flex; flex-wrap:wrap; gap:14px; }
  .checkrow label{ display:inline-flex; align-items:center; gap:7px; font-size:12.5px; color:var(--text); cursor:pointer; }
  .checkrow input[type=checkbox]{ width:auto; accent-color:var(--accent); }

  .btn{ display:inline-flex; align-items:center; justify-content:center; gap:8px; background:var(--accent); color:#171008; border:none; padding:11px 18px; border-radius:var(--radius); font-weight:600; font-size:13.5px; cursor:pointer; width:100%; margin:6px 0 18px; transition:filter .12s,transform .05s; font-family:var(--sans); }
  :root[data-theme="light"] .btn{ color:#2A1B04; }
  .btn:hover{ filter:brightness(1.08); }
  .btn:active{ transform:translateY(1px); }
  .btn-ghost{ background:transparent; color:var(--text-dim); border:1px solid var(--border); width:auto; margin:0; padding:6px 12px; font-size:11.5px; font-weight:500; }
  .btn-ghost:hover{ color:var(--text); border-color:var(--text-faint); filter:none; }

  .alert{ display:none; align-items:flex-start; gap:10px; background:var(--danger-soft); border:1px solid color-mix(in srgb,var(--danger) 45%,transparent); color:var(--danger); padding:12px 14px; border-radius:var(--radius); font-size:13px; margin-bottom:18px; }
  .alert.show{ display:flex; }

  .grid-out{ display:grid; grid-template-columns:repeat(2,1fr); gap:10px; }
  @media (max-width:560px){ .grid-out{ grid-template-columns:1fr; } }
  .cell{ background:var(--panel-alt); border:1px solid var(--border-soft); border-radius:var(--radius); padding:12px 14px; }
  .cell.span2{ grid-column:1/-1; }
  .cell .k{ display:block; font-size:10.5px; text-transform:uppercase; letter-spacing:.06em; color:var(--text-faint); margin-bottom:5px; }
  .cell .v{ font-family:var(--mono); font-size:15px; color:var(--text); word-break:break-word; }
  .cell .sub{ display:block; font-size:10.5px; color:var(--text-faint); margin-top:3px; }
  .cell.accent .v{ color:var(--accent); }
  .cell.accent2 .v{ color:var(--accent2); }
  .badge{ display:inline-block; font-family:var(--mono); font-size:10px; padding:1px 7px; border-radius:20px; margin-left:6px; vertical-align:middle; }
  .badge.private{ background:var(--accent2-soft); color:var(--accent2); }
  .badge.public{ background:var(--panel-raised); color:var(--text-dim); }

  .binmap{ margin-top:18px; }
  .binmap-title{ font-size:11px; color:var(--text-faint); text-transform:uppercase; letter-spacing:.06em; margin-bottom:10px; }
  .binrow{ display:flex; align-items:center; gap:10px; font-family:var(--mono); font-size:12.5px; margin-bottom:6px; flex-wrap:wrap; }
  .binrow .binlbl{ width:46px; flex:none; color:var(--text-faint); font-size:11px; }
  .bitgroup{ display:inline-flex; gap:1px; margin-right:8px; }
  .bit{ width:11px; text-align:center; color:var(--text-faint); }
  .bit.net{ color:var(--accent); font-weight:600; }
  .binlegend{ display:flex; gap:16px; margin-top:10px; font-size:11px; color:var(--text-faint); flex-wrap:wrap; }
  .binlegend span{ display:inline-flex; align-items:center; gap:6px; }
  .swatch{ width:8px; height:8px; border-radius:2px; display:inline-block; }

  .rangebar-wrap{ margin-top:18px; }
  .rangebar{ display:flex; height:34px; border-radius:var(--radius); overflow:hidden; border:1px solid var(--border-soft); }
  .rb-seg{ display:flex; align-items:center; justify-content:center; font-family:var(--mono); font-size:10.5px; color:#171008; white-space:nowrap; overflow:hidden; }
  .rb-net{ background:var(--text-faint); color:var(--bg); flex:0 0 12%; }
  .rb-host{ background:var(--accent); flex:1 1 auto; }
  .rb-bcast{ background:var(--text-faint); color:var(--bg); flex:0 0 12%; }
  .rb-caption{ display:flex; justify-content:space-between; margin-top:6px; font-size:10.5px; color:var(--text-faint); font-family:var(--mono); }

  .codebox{ margin-top:6px; }
  .codebox-head{ display:flex; align-items:center; justify-content:space-between; background:var(--panel-raised); border:1px solid var(--border); border-bottom:none; padding:9px 14px; border-radius:var(--radius) var(--radius) 0 0; }
  .codebox-head .tag{ font-family:var(--mono); font-size:11px; color:var(--text-dim); text-transform:uppercase; letter-spacing:.05em; }
  pre.codeblock{ margin:0; background:#0A0D12; border:1px solid var(--border); border-radius:0 0 var(--radius) var(--radius); padding:16px; overflow:auto; font-family:var(--mono); font-size:12.6px; line-height:1.65; color:#B9E6A0; max-height:440px; }
  :root[data-theme="light"] pre.codeblock{ background:#171B22; color:#9FE39B; }

  .notes{ margin-top:16px; border:1px solid var(--border-soft); border-left:3px solid var(--warn); background:var(--warn-soft); border-radius:var(--radius); padding:12px 14px; }
  .notes .nt{ font-size:10.5px; text-transform:uppercase; letter-spacing:.06em; color:var(--warn); font-family:var(--mono); margin-bottom:8px; display:flex; align-items:center; gap:6px; }
  .notes ul{ margin:0; padding-left:18px; }
  .notes li{ font-size:12.5px; color:var(--text-dim); line-height:1.5; margin-bottom:5px; }
  .notes li:last-child{ margin-bottom:0; }
  .notes li b{ color:var(--text); }

  .hint{ font-size:11.5px; color:var(--text-faint); margin-top:5px; }
  .chip{ display:inline-block; font-family:var(--mono); font-size:10.5px; padding:2px 7px; border:1px solid var(--border); border-radius:20px; color:var(--text-dim); }

  table.vlsm{ width:100%; border-collapse:collapse; font-family:var(--mono); font-size:12px; margin-top:8px; }
  table.vlsm th{ text-align:left; font-size:10px; text-transform:uppercase; letter-spacing:.05em; color:var(--text-faint); padding:8px 10px; border-bottom:1px solid var(--border); }
  table.vlsm td{ padding:9px 10px; border-bottom:1px solid var(--border-soft); color:var(--text); white-space:nowrap; }
  table.vlsm tr:hover td{ background:var(--panel-alt); }
  .table-wrap{ overflow:auto; border:1px solid var(--border); border-radius:var(--radius); }

  .liveconv{ display:grid; grid-template-columns:1fr; gap:14px; max-width:440px; }
  .pwd-out{ display:flex; gap:10px; align-items:center; flex-wrap:wrap; }
  .pwd-out code{ flex:1 1 220px; background:#0A0D12; border:1px solid var(--border); border-radius:var(--radius); padding:11px 14px; font-family:var(--mono); font-size:14px; color:#B9E6A0; word-break:break-all; }
  .strength{ height:6px; border-radius:3px; background:var(--border); overflow:hidden; margin-bottom:14px; }
  .strength > i{ display:block; height:100%; width:0; transition:width .25s,background .25s; }

  .encap-table{ width:100%; border-collapse:collapse; font-family:var(--mono); font-size:12px; margin-top:10px; }
  .encap-table th{ text-align:left; font-size:10px; text-transform:uppercase; letter-spacing:.05em; color:var(--text-faint); padding:7px 10px; border-bottom:1px solid var(--border); }
  .encap-table td{ padding:8px 10px; border-bottom:1px solid var(--border-soft); color:var(--text); }
  .encap-table tr.sel td{ background:var(--accent-soft); color:var(--accent); }

  .toast{ position:fixed; bottom:22px; left:50%; transform:translate(-50%,12px); background:var(--panel-raised); border:1px solid var(--border); color:var(--text); padding:10px 16px; border-radius:var(--radius); font-size:12.5px; font-family:var(--mono); opacity:0; pointer-events:none; transition:opacity .18s,transform .18s; display:flex; align-items:center; gap:8px; z-index:60; }
  .toast.show{ opacity:1; transform:translate(-50%,0); }
  .toast .dot-live{ background:var(--success); }

  .to-top{ position:fixed; right:22px; bottom:22px; width:38px; height:38px; border-radius:50%; border:1px solid var(--border); background:var(--panel-raised); color:var(--text); font-size:16px; cursor:pointer; opacity:0; pointer-events:none; transition:opacity .2s,transform .2s; z-index:55; display:flex; align-items:center; justify-content:center; }
  .to-top.show{ opacity:1; pointer-events:auto; }
  .to-top:hover{ color:var(--accent); border-color:var(--accent); }

  .brand{ display:flex; align-items:center; gap:14px; flex-wrap:wrap; margin:0 0 10px; }
  .brand-logo{ height:52px; width:auto; display:block; }
  .brand-light{ display:none; }
  :root[data-theme="light"] .brand-dark{ display:none; }
  :root[data-theme="light"] .brand-light{ display:block; }
  .brand-tag{ font-family:var(--mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--text-faint); border-left:1px solid var(--border); padding-left:14px; }
  @media (max-width:560px){ .brand-logo{ height:38px; } .brand-tag{ border-left:none; padding-left:0; font-size:10px; } }
  .topbar-logo{ height:18px; width:auto; display:none; vertical-align:-3px; margin-right:8px; }
  .sr-only{ position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; border:0; }
  .nav-empty{ display:none; padding:16px 14px; font-family:var(--mono); font-size:11.5px; color:var(--text-faint); }
  .nav-item:focus-visible{ outline:2px solid var(--accent); outline-offset:-2px; }
  @media print{ .topbar,.nav,.to-top,.footer,.btn,.btn-ghost{ display:none !important; } .layout{ grid-template-columns:1fr; } body{ background:#fff; color:#000; } }

  .footer{ margin-top:34px; padding-top:18px; border-top:1px solid var(--border-soft); font-family:var(--mono); font-size:11px; color:var(--text-faint); display:flex; justify-content:space-between; flex-wrap:wrap; gap:8px; }