:root{
  --bg:#F5F4F0; --surface:#FFFFFF; --surface-2:#FAF9F6;
  --ink:#1B2223; --ink-soft:#57615F; --ink-faint:#8A928F;
  --line:#E4E1DA; --line-strong:#D3CFC6;
  --accent:#0F7B72; --accent-ink:#0A5651; --accent-wash:#E6F1EF;
  --internal:#9C5C10; --internal-wash:#F6ECDC;
  --heti:#0F7B72; --heti-wash:#E6F1EF;
  --danger:#B23A2E;
  --radius:14px; --radius-sm:9px;
  --shadow:0 1px 2px rgba(20,30,29,.05),0 6px 20px rgba(20,30,29,.06);
  --maxw:640px;
  --font:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Inter,"Helvetica Neue",Arial,sans-serif;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#121617; --surface:#1B2123; --surface-2:#20282A;
    --ink:#E9EAE7; --ink-soft:#9DA7A5; --ink-faint:#6E7877;
    --line:#2C3436; --line-strong:#3A4547;
    --accent:#3FB0A4; --accent-ink:#82D6CC; --accent-wash:#15302E;
    --internal:#D79A4E; --internal-wash:#2E2415;
    --heti:#3FB0A4; --heti-wash:#15302E;
    --danger:#E0705F;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 22px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"]{
  --bg:#121617; --surface:#1B2123; --surface-2:#20282A;
  --ink:#E9EAE7; --ink-soft:#9DA7A5; --ink-faint:#6E7877;
  --line:#2C3436; --line-strong:#3A4547;
  --accent:#3FB0A4; --accent-ink:#82D6CC; --accent-wash:#15302E;
  --internal:#D79A4E; --internal-wash:#2E2415;
  --heti:#3FB0A4; --heti-wash:#15302E;
  --danger:#E0705F;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 6px 22px rgba(0,0,0,.35);
}
:root[data-theme="light"]{
  --bg:#F5F4F0; --surface:#FFFFFF; --surface-2:#FAF9F6;
  --ink:#1B2223; --ink-soft:#57615F; --ink-faint:#8A928F;
  --line:#E4E1DA; --line-strong:#D3CFC6;
  --accent:#0F7B72; --accent-ink:#0A5651; --accent-wash:#E6F1EF;
  --internal:#9C5C10; --internal-wash:#F6ECDC;
  --heti:#0F7B72; --heti-wash:#E6F1EF;
  --danger:#B23A2E;
  --shadow:0 1px 2px rgba(20,30,29,.05),0 6px 20px rgba(20,30,29,.06);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);line-height:1.5;font-size:16px;-webkit-font-smoothing:antialiased;padding-bottom:96px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 16px}

/* Top bar */
header.top{position:sticky;top:0;z-index:20;background:var(--bg);-webkit-backdrop-filter:saturate(1.4) blur(10px);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.top-inner{max-width:var(--maxw);margin:0 auto;padding:11px 16px;display:flex;align-items:center;gap:12px}
.brand{display:flex;align-items:baseline;gap:8px;min-width:0}
.brand .logo{font-weight:800;letter-spacing:-.02em;color:var(--accent-ink);font-size:17px;flex:none}
.brand .logo b{color:var(--ink)}
.brand .sub{color:var(--ink-faint);font-size:12.5px;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.top-spacer{flex:1}
.prog{display:flex;align-items:center;gap:8px;flex:none}
.prog .bar{width:56px;height:6px;border-radius:99px;background:var(--line-strong);overflow:hidden}
.prog .bar i{display:block;height:100%;width:0;background:var(--accent);transition:width .3s ease}
.prog .pct{font-size:12px;color:var(--ink-soft);font-variant-numeric:tabular-nums;min-width:30px;text-align:right}
.iconbtn{flex:none;appearance:none;border:1px solid var(--line-strong);background:var(--surface);color:var(--ink-soft);height:34px;min-width:34px;padding:0 8px;border-radius:9px;cursor:pointer;font-size:14px;display:grid;place-items:center;text-decoration:none}
.iconbtn:active{transform:translateY(1px)}

/* Intro */
.intro{padding:18px 0 4px}
.intro h1{font-size:22px;line-height:1.2;margin:0 0 6px;letter-spacing:-.02em;text-wrap:balance;font-weight:800}
.intro p{margin:0;color:var(--ink-soft);font-size:14px}
.intro .flow{margin-top:14px;display:flex;flex-wrap:wrap;gap:6px;font-size:12px;color:var(--ink-soft)}
.intro .flow span{background:var(--surface);border:1px solid var(--line);border-radius:99px;padding:4px 10px;display:inline-flex;align-items:center;gap:6px}
.intro .flow span b{color:var(--ink);font-weight:600}
.intro .flow .arw{border:0;background:none;padding:0 2px;color:var(--ink-faint)}

/* Cards */
section.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin:14px 0;overflow:hidden}
.sec-head{display:flex;align-items:center;gap:12px;width:100%;text-align:left;background:none;border:0;cursor:pointer;color:inherit;font:inherit;padding:15px 16px}
.badge{flex:none;width:30px;height:30px;border-radius:8px;display:grid;place-items:center;font-weight:800;font-size:14px;background:var(--accent-wash);color:var(--accent-ink);letter-spacing:-.01em}
.sec-head.key .badge{background:var(--internal-wash);color:var(--internal)}
.sec-title{flex:1;min-width:0}
.sec-title .t{font-weight:700;font-size:15.5px;letter-spacing:-.01em;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.sec-title .d{color:var(--ink-faint);font-size:12.5px;margin-top:1px}
.star{color:var(--internal);font-size:13px}
.chev{flex:none;color:var(--ink-faint);transition:transform .25s ease}
.card.open .chev{transform:rotate(180deg)}
.sec-body{display:none;padding:2px 16px 18px;border-top:1px solid var(--line)}
.card.open .sec-body{display:block}
.fillhint{font-size:11.5px;color:var(--ink-faint);font-variant-numeric:tabular-nums}

/* Fields */
.field{margin-top:15px}
.field:first-child{margin-top:14px}
.lab{display:flex;align-items:center;gap:8px;margin-bottom:6px;flex-wrap:wrap}
.lab .name{font-weight:600;font-size:13.5px}
.req{color:var(--danger);font-weight:700}
.chip{font-size:10px;letter-spacing:.05em;font-weight:700;text-transform:uppercase;padding:2px 7px;border-radius:99px;display:inline-flex;align-items:center;gap:4px;line-height:1.4}
.chip.pub{background:var(--accent-wash);color:var(--accent-ink)}
.chip.int{background:var(--internal-wash);color:var(--internal)}
.hint{font-size:12px;color:var(--ink-faint);margin:5px 2px 0}
input[type=text],input[type=number],input[type=password],textarea,select{width:100%;font:inherit;font-size:16px;color:var(--ink);background:var(--surface-2);border:1px solid var(--line-strong);border-radius:var(--radius-sm);padding:11px 12px;transition:border-color .15s,box-shadow .15s}
textarea{resize:vertical;min-height:66px;line-height:1.5}
textarea.big{min-height:150px}
.hint code{font-family:ui-monospace,Menlo,monospace;font-size:11.5px;background:var(--surface-2);border:1px solid var(--line);border-radius:4px;padding:1px 4px}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-wash)}
input::placeholder,textarea::placeholder{color:var(--ink-faint)}
select{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%238A928F' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'><path d='M6 9l6 6 6-6'/></svg>");background-repeat:no-repeat;background-position:right 11px center;padding-right:36px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:460px){.row2{grid-template-columns:1fr}}

.seg{display:flex;gap:6px;flex-wrap:wrap}
.seg label{flex:1;min-width:84px;cursor:pointer;position:relative}
.seg input{position:absolute;opacity:0;pointer-events:none}
.seg span{display:block;text-align:center;padding:10px 8px;border-radius:var(--radius-sm);border:1px solid var(--line-strong);background:var(--surface-2);font-size:13.5px;font-weight:600;color:var(--ink-soft);transition:.15s}
.seg input:checked+span{border-color:var(--accent);background:var(--accent-wash);color:var(--accent-ink)}
.seg input:focus-visible+span{box-shadow:0 0 0 3px var(--accent-wash)}
.noteHeti{display:none;margin-top:8px;font-size:12.5px;color:var(--accent-ink);background:var(--heti-wash);border-radius:8px;padding:8px 10px}
.noteHeti.show{display:block}

.switchrow{display:flex;align-items:center;gap:10px;margin-top:4px}
.switch{position:relative;width:46px;height:27px;flex:none}
.switch input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}
.switch .track{position:absolute;inset:0;background:var(--line-strong);border-radius:99px;transition:.2s}
.switch .knob{position:absolute;top:3px;left:3px;width:21px;height:21px;background:#fff;border-radius:99px;transition:.2s;box-shadow:0 1px 2px rgba(0,0,0,.3)}
.switch input:checked+.track{background:var(--accent)}
.switch input:checked~.knob{transform:translateX(19px)}
.switch input:focus-visible+.track{box-shadow:0 0 0 3px var(--accent-wash)}
.switchrow .sl{font-size:13.5px;font-weight:600}
.switchrow .sl b{color:var(--accent-ink)}

.key-callout{background:var(--internal-wash);border:1px solid color-mix(in srgb,var(--internal) 28%,transparent);border-radius:10px;padding:11px 12px;font-size:12.5px;color:var(--ink-soft);margin-top:14px}
.key-callout b{color:var(--internal)}

/* Action bar */
.actionbar{position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--bg);-webkit-backdrop-filter:saturate(1.4) blur(10px);backdrop-filter:saturate(1.4) blur(10px);border-top:1px solid var(--line);padding:12px 16px calc(12px + env(safe-area-inset-bottom))}
.actionbar .inner{max-width:var(--maxw);margin:0 auto;display:flex;gap:10px;align-items:center;position:relative;z-index:1}
.btn{appearance:none;border:0;cursor:pointer;font:inherit;font-weight:700;font-size:15px;border-radius:11px;padding:13px 18px;transition:.15s}
.btn:disabled{opacity:.6;cursor:default}
.btn.primary{flex:1;background:var(--accent);color:#fff;box-shadow:0 2px 10px rgba(15,123,114,.32);display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn.primary:active{transform:translateY(1px)}
.btn.ghost{background:var(--surface);color:var(--ink-soft);border:1px solid var(--line-strong)}
.btn.primary .cnt{opacity:.8;font-weight:600}
.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:99px;animation:spin .7s linear infinite;display:none}
.btn.loading .spinner{display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.spinner{animation:none}}

/* Overlay */
.overlay{position:fixed;inset:0;z-index:50;background:rgba(10,16,15,.5);display:none;opacity:0;transition:opacity .2s}
.overlay.show{display:block;opacity:1}
.sheet{position:absolute;left:0;right:0;bottom:0;max-height:92vh;background:var(--bg);border-radius:20px 20px 0 0;border-top:1px solid var(--line);display:flex;flex-direction:column;transform:translateY(100%);transition:transform .28s cubic-bezier(.2,.8,.2,1)}
.overlay.show .sheet{transform:translateY(0)}
.sheet-head{padding:8px 16px 0;flex:none}
.grab{width:38px;height:4px;border-radius:99px;background:var(--line-strong);margin:2px auto 12px}
.sheet-title{display:flex;align-items:center;gap:10px;padding-bottom:12px}
.sheet-title h2{font-size:17px;margin:0;font-weight:800;letter-spacing:-.02em;flex:1}
.sheet-title .x{appearance:none;border:1px solid var(--line-strong);background:var(--surface);color:var(--ink-soft);width:32px;height:32px;border-radius:8px;cursor:pointer;font-size:16px}
.tabs{display:flex;gap:4px;padding:0 12px;border-bottom:1px solid var(--line);overflow-x:auto;flex:none}
.tabs::-webkit-scrollbar{display:none}
.tab{appearance:none;border:0;background:none;cursor:pointer;font:inherit;font-size:13px;font-weight:600;color:var(--ink-soft);padding:11px 10px;white-space:nowrap;border-bottom:2px solid transparent;margin-bottom:-1px}
.tab.active{color:var(--accent-ink);border-bottom-color:var(--accent)}
.sheet-body{overflow-y:auto;padding:16px;flex:1;-webkit-overflow-scrolling:touch}
.out-meta{font-size:12px;color:var(--ink-faint);margin:0 0 10px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.out-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}
.out-card .oc-top{display:flex;align-items:center;gap:10px;padding:11px 14px;border-bottom:1px solid var(--line)}
.out-card .oc-top .t{font-weight:700;font-size:14px;flex:1}
.copybtn{appearance:none;border:1px solid var(--line-strong);background:var(--surface-2);color:var(--ink-soft);border-radius:8px;padding:6px 11px;font:inherit;font-size:12px;font-weight:600;cursor:pointer}
.copybtn:active{transform:translateY(1px)}
.out-text{padding:14px;white-space:pre-wrap;font-size:14.5px;line-height:1.62}
.out-text.prompt{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;color:var(--ink-soft)}
.drive{margin-top:14px;background:var(--surface-2);border:1px dashed var(--line-strong);border-radius:10px;padding:12px 14px;font-size:12.5px;color:var(--ink-soft)}
.drive b{color:var(--ink)}
.drive-docs{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.drive-docs a{background:var(--surface);border:1px solid var(--line);border-radius:7px;padding:5px 9px;font-size:12px;text-decoration:none;color:var(--accent-ink)}
.drive-docs a:hover{border-color:var(--accent)}
.drive code{font-family:ui-monospace,Menlo,monospace;font-size:12px;background:var(--surface);border:1px solid var(--line);border-radius:5px;padding:1px 6px;color:var(--accent-ink)}
.errbox{background:var(--internal-wash);color:var(--internal);border-radius:10px;padding:11px 13px;font-size:13px;margin-bottom:12px;display:none}
.errbox.show{display:block}
.sheet-loading{display:flex;flex-direction:column;align-items:center;gap:12px;padding:40px 16px;color:var(--ink-soft);font-size:14px}
.sheet-loading .sp{width:26px;height:26px;border:3px solid var(--line-strong);border-top-color:var(--accent);border-radius:99px;animation:spin .8s linear infinite}
/* Terminál-log (mindig sötét, szándékos) */
.termlog{background:#0c1413;border:1px solid #1d2b28;border-radius:10px;padding:11px 13px;margin-bottom:14px;max-height:230px;overflow-y:auto;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.75}
.termlog .ln{white-space:pre-wrap;word-break:break-word;color:#b9c7c3}
.termlog .ln .ts{color:#556862;margin-right:6px}
.termlog .ln.ok .msg{color:#57d69f}
.termlog .ln.err .msg{color:#ff8b76}
.termlog .ln.run .msg{color:#e6c766}
.termlog .ln a{color:#57d69f}
.foot{padding:18px 0 6px;text-align:center;color:var(--ink-faint);font-size:11.5px}

/* Login */
.login-body{display:flex;min-height:100vh;align-items:center;justify-content:center;padding:20px}
.login-wrap{width:100%;max-width:360px}
.login-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px;display:flex;flex-direction:column;gap:16px}
.login-brand{display:flex;align-items:baseline;gap:8px;margin-bottom:4px}
.login-brand .logo{font-weight:800;font-size:20px;color:var(--accent-ink);letter-spacing:-.02em}
.login-brand .logo b{color:var(--ink)}
.login-brand .sub{color:var(--ink-faint);font-size:13px}
.login-field{display:flex;flex-direction:column;gap:6px}
.login-field span{font-size:13px;font-weight:600;color:var(--ink-soft)}
.login-btn{width:100%;justify-content:center}
.login-err{background:color-mix(in srgb,var(--danger) 12%,transparent);color:var(--danger);border-radius:9px;padding:10px 12px;font-size:13px;font-weight:600}