/* DB0EUF WebSDR – Oberfläche im crabSDR-Stil (Schwarz, weiße Abstufungen, Smaragd, JetBrains Mono).
   Der Empfängerblock (.rx) ist vom Original fest 1024 px breit und wird per transform:scale() auf die
   verfügbare Breite gebracht (gartow.js). Die Klick-Umrechnung ist in gartow.js überlagert.
   Farben: helles Schema in :root, dunkles per Browser-Einstellung oder Schalter (html[data-theme]). */
@import url('fonts/fonts.css');
:root {
  --bg: #f6f7f8; --bg2: rgba(0,0,0,.04); --card: #ffffff; --line: rgba(0,0,0,.12); --line2: rgba(0,0,0,.06);
  --text: #111418; --strong: #000000; --muted: rgba(0,0,0,.5); --faint: rgba(0,0,0,.35);
  --accent: #059669; --accent2: #047857; --accent-fg: #ffffff; --accent-dim: rgba(5,150,105,.12);
  --ok: #059669; --warn: #b45309; --bad: #dc2626;
  --scalebg: rgba(246,247,248,.94); --barbg: rgba(246,247,248,.96);
  --radius: 4px; --sab: env(safe-area-inset-bottom, 0px);
  color-scheme: light;
}
html[data-theme="dark"], html:not([data-theme="light"]).sysdark {
  --bg: #000000; --bg2: rgba(255,255,255,.05); --card: rgba(255,255,255,.03); --line: rgba(255,255,255,.12); --line2: rgba(255,255,255,.06);
  --text: #ffffff; --strong: #ffffff; --muted: rgba(255,255,255,.45); --faint: rgba(255,255,255,.3);
  --accent: #34d399; --accent2: #10b981; --accent-fg: #06110c; --accent-dim: rgba(52,211,153,.15);
  --ok: #34d399; --warn: #fbbf24; --bad: #f87171;
  --scalebg: rgba(0,0,0,.9); --barbg: rgba(0,0,0,.94);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 13px/1.5 "JetBrains Mono", "Fira Code", Menlo, Consolas, monospace;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h3 { margin: 0 0 6px; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.offscreen { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.legacy { display: none; }
.audio-ready .audio-btn { display: none; }
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg2); }
::-webkit-scrollbar-thumb { background: var(--line); border-radius: 3px; }

/* Kopf */
.top {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 6px 16px; border-bottom: 1px solid var(--line); background: var(--bg);
}
.brand { display: flex; align-items: center; gap: 10px; }
.logo { width: 34px; height: 34px; flex: none; }
.logo .l-bg { fill: var(--card); stroke: var(--line); }
.logo .l-ac { fill: var(--accent); }
.logo .l-st { stroke: var(--accent); }
.logo .l-mu { fill: var(--muted); }
.brand h1 { margin: 0; font-size: 16px; letter-spacing: .12em; font-weight: 700; color: var(--strong); text-transform: uppercase; }
.brand h1 span { color: var(--accent); }
.sub { margin: 0; color: var(--faint); font-size: 10px; letter-spacing: .04em; }
.topright { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.users { color: var(--muted); font-size: 11px; padding: 0 6px; }
.users #numusers { color: var(--accent); font-weight: 700; }

.tabs { display: flex; gap: 4px; }
.tabs .btn { text-decoration: none; display: inline-flex; align-items: center; }
/* Knöpfe & Felder */
.btn {
  background: var(--bg2); color: var(--muted); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 6px 10px; font: inherit; font-size: 12px; cursor: pointer; min-width: 40px; min-height: 34px;
  touch-action: manipulation; transition: background .12s, color .12s, border-color .12s;
}
.btn:hover { background: var(--line2); color: var(--text); }
.btn.active { background: var(--accent-dim); border-color: var(--accent); color: var(--accent); font-weight: 700; }
.btn-accent { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); font-weight: 700; }
.btn-accent:hover { background: var(--accent2); color: var(--accent-fg); }
.btn-ghost { background: transparent; }
.btn-icon { min-width: 34px; padding: 6px; }
select, input[type=text] { background: var(--bg2); color: var(--text); border: 1px solid var(--line); border-radius: var(--radius); padding: 6px 8px; font: inherit; font-size: 12px; min-height: 34px; }
select:focus, input:focus { outline: 1px solid var(--accent); outline-offset: 0; }

/* Bandleiste */
.bands { display: flex; gap: 6px; padding: 6px 16px; flex-wrap: wrap; border-bottom: 1px solid var(--line2); }
.band {
  flex: 1 1 160px; text-align: left; padding: 6px 10px; border-radius: var(--radius);
  background: var(--bg2); border: 1px solid var(--line); cursor: pointer; color: var(--muted); font: inherit; touch-action: manipulation;
}
.band:hover { color: var(--text); background: var(--line2); }
.band.active { border-color: var(--accent); background: var(--accent-dim); color: var(--text); }
.band.active b { color: var(--accent); }
.band.soon { opacity: .4; cursor: default; }
.band b { display: block; font-size: 13px; letter-spacing: .04em; color: var(--text); }
.band b small { color: var(--muted); font-weight: 400; margin-left: 4px; }

/* Empfänger */
.rx-host { padding: 8px 16px 4px; }
.rx-wrap { position: relative; margin: 0 auto; overflow: hidden; border: 1px solid var(--line); background: #000; }
.rx { width: 1024px; background: #000; touch-action: none; }
.rx canvas { image-rendering: auto; }
.scale { position: relative; }
.scaleabs { position: absolute; }
#edgelower:hover { background: url('edgelowerbb.png'); }
#edgeupper:hover { background: url('edgeupperbb.png'); }
#yellowbarr { background-color: #34d399; top: 2px; height: 1px; }
#yellowbara:hover #yellowbarr { top: 2px; height: 2px; }
.hideblind { display: inline; }
.showblind { display: none; }
/* Kanal-Marker unter dem Wasserfall (vom Original erzeugt) — dezent, crabSDR-Farben */
.statinfo0, .statinfo0l { float: left; white-space: nowrap; position: relative; font-size: 10px; line-height: 14px; padding: 0 5px; border-radius: 3px;
  background: rgba(0,0,0,.8); color: rgba(255,255,255,.55); border: 1px solid rgba(255,255,255,.12); cursor: pointer; }
.statinfo0:hover, .statinfo0l:hover { color: #fff; border-color: rgba(52,211,153,.6); }
.statinfo0l { color: #34d399; }
.statinfo1, .statinfo1l { float: left; position: relative; border: 0; }
.statinfo1:hover, .statinfo1l:hover { z-index: 98; }
.statinfo2, .statinfo2l { overflow: hidden; border: 0; position: absolute; padding-left: 4px; }
.statinfo2:hover, .statinfo2l:hover { overflow: visible; }
.statinfol { background: rgba(255,255,255,.2) !important; } .statinfoll { background: rgba(52,211,153,.4) !important; }

/* Eigene Frequenzskala */
.scales { position: absolute; left: 0; top: 0; width: 100%; height: 0; overflow: visible; pointer-events: none; }
.fscale {
  position: absolute; left: 0; height: 22px; background: var(--scalebg); border-bottom: 1px solid var(--line);
  pointer-events: auto; cursor: crosshair; touch-action: none; user-select: none; -webkit-user-select: none;
}
.fscale i { position: absolute; bottom: 0; width: 1px; background: var(--faint); }
.fscale i.maj { height: 9px; background: var(--muted); }
.fscale i.min { height: 4px; }
.fscale b { position: absolute; top: 2px; transform: translateX(-50%); font-size: 10px; font-weight: 500; color: var(--text); white-space: nowrap; font-variant-numeric: tabular-nums; }
.fscale-band { position: absolute; right: 6px; top: 4px; font-size: 9px; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); background: var(--scalebg); padding: 0 4px; }
/* Hörer-Marker */
.lmarks { position: absolute; left: 0; top: 0; width: 100%; height: 0; overflow: visible; pointer-events: none; }
.lmarks em {
  position: absolute; transform: translateX(-50%); font: 500 9px/1 "JetBrains Mono", monospace; font-style: normal; letter-spacing: .04em;
  color: rgba(255,255,255,.8); background: rgba(0,0,0,.8); border-left: 3px solid var(--c, #fff); padding: 2px 5px 3px; white-space: nowrap; opacity: .85;
}
.lmarks em::after { content: ""; position: absolute; left: 50%; top: 100%; margin-left: -1px; width: 2px; height: 6px; background: var(--c, #fff); opacity: .7; }
.lmarks em.me { opacity: 1; color: #fff; border-left-width: 4px; }
/* mehrere Hörer auf einer Frequenz: eine Marke, Farbstreifen aus allen Hörerfarben (senkrecht am Rand, waagerecht als Strich) */
.lmarks em.multi { border-left: 0; padding-left: 8px; }
.lmarks em.multi::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--gv); }
.lmarks em.multi::after { width: calc(var(--n, 2) * 3px); margin-left: calc(var(--n, 2) * -1.5px); background: var(--gh); opacity: .9; }
.lmarks em.multi.me::before { width: 4px; }

/* Bedienfeld */
.panel { padding: 6px 16px 12px; }
.strip { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: flex-start; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 12px; }
.grp { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.grp .lbl { font-size: 10px; color: var(--faint); text-transform: uppercase; letter-spacing: .08em; }
.grp-freq { flex: 1 1 260px; }
.grp-mode { flex: 0 1 auto; }
.grp-bw { flex: 0 1 auto; }
.grp-sig { flex: 1 1 180px; max-width: 260px; }
.grp-vol { flex: 0 1 150px; }
.grp-wf { flex: 0 1 auto; }
.presetsel { width: 100%; max-width: 360px; }
.volrow { display: flex; align-items: center; gap: 6px; font-size: 13px; }
.bottom { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 8px; }
details.card { padding: 0; }
details.card summary { cursor: pointer; padding: 8px 12px; font-size: 13px; font-weight: 700; list-style: none; display: flex; align-items: center; gap: 8px; }
details.card summary::-webkit-details-marker { display: none; }
details.card summary::before { content: "▸"; color: var(--faint); font-size: 11px; }
details.card[open] summary::before { content: "▾"; }
details.card summary small { color: var(--faint); font-weight: 400; font-size: 11px; }
details.card > :not(summary) { margin-left: 12px; margin-right: 12px; }
details.card > :last-child { margin-bottom: 10px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 12px; }
.freq-mhz { font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; letter-spacing: .02em; color: var(--accent); line-height: 1.1; }
.freq-mhz small { font-size: 12px; color: var(--muted); font-weight: 500; margin-left: 6px; letter-spacing: .1em; }
.freqform { display: flex; align-items: center; gap: 6px; margin: 0; }
.freqform input[name=frequency] { width: 140px; font-size: 14px; font-weight: 600; }
.freqform .unit { color: var(--faint); font-size: 11px; }
.steps { display: flex; gap: 4px; flex-wrap: wrap; }
.steps .btn { min-width: 36px; }
.snap { display: flex; align-items: center; gap: 8px; margin-top: 8px; font-size: 11px; color: var(--muted); }
.presets { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 8px; }
.presets .btn { font-size: 11px; padding: 5px 8px; }
.presets .btn small { color: var(--faint); margin-left: 4px; }


.modes { display: flex; gap: 4px; flex-wrap: wrap; }
.modes .btn { flex: 1; }
.bw { display: flex; align-items: center; gap: 6px; }
.bw .btn { min-width: 34px; }
.bwpresets { display: flex; gap: 4px; flex-wrap: wrap; }
.bwpresets .btn { flex: 1; min-width: 0; font-size: 11px; padding: 4px 6px; min-height: 30px; display: inline-flex; flex-direction: column; align-items: center; gap: 0; line-height: 1.2; }
.bwpresets .btn small { font-size: 9px; color: var(--faint); }
.bwval { flex: 1; text-align: center; font-variant-numeric: tabular-nums; color: var(--accent); }
.toggles { display: flex; gap: 4px; flex-wrap: wrap; }
.toggle { display: inline-flex; }
.toggle input { position: absolute; opacity: 0; width: 0; height: 0; }
.toggle span { display: inline-block; padding: 7px 10px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg2); color: var(--muted); cursor: pointer; font-size: 12px; min-height: 34px; }
.toggle input:checked + span { background: var(--accent-dim); border-color: var(--accent); color: var(--accent); font-weight: 700; }

.smeter { margin: 0; }
.smeter-scale { position: relative; height: 13px; font-size: 9px; color: var(--faint); letter-spacing: .04em; }
.smeter-scale span { position: absolute; transform: translateX(-50%); }
.smeter-track { position: relative; height: 12px; background: var(--bg2); border-radius: 3px; overflow: hidden; border: 1px solid var(--line2); }
.smeter-fill { position: absolute; left: 0; top: 0; bottom: 0; width: 0; background: linear-gradient(90deg, var(--ok) 0 41%, var(--warn) 41% 60%, var(--bad) 60%); transition: width .08s linear; }
.smeter-peak { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--strong); left: 0; transition: left .2s; }
.smeter-num { margin-top: 5px; font-variant-numeric: tabular-nums; color: var(--muted); font-size: 12px; }
.smeter-num b { color: var(--accent); font-size: 14px; margin-right: 6px; }
#volumecontrol2 { width: 100%; accent-color: var(--accent); }

.wfbtns { display: flex; gap: 4px; flex-wrap: wrap; }
.wfsel { display: grid; gap: 4px; }
.wfsel label { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: 11px; color: var(--muted); }
.hint { color: var(--faint); font-size: 10px; margin: 8px 0 0; line-height: 1.5; }

/* Erweitert-Elemente */
.vfo { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 8px; }
.vfo .btn { flex: 1; }
.memories { margin-top: 8px; font-size: 11px; }
.memories table { border-collapse: collapse; width: 100%; }
.memories td { padding: 3px 4px; border-bottom: 1px solid var(--line2); vertical-align: middle; }
.memories input[type=button] { background: var(--bg2); color: var(--muted); border: 1px solid var(--line); border-radius: 3px; padding: 3px 6px; font: inherit; font-size: 10px; cursor: pointer; margin-right: 3px; }
.memories input[type=text] { padding: 3px 6px; font-size: 10px; width: 90px; min-height: 0; }
.sgraphrow { margin-bottom: 8px; }
.sgraphrow label { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: 11px; color: var(--muted); }
.sgraph { width: 100%; height: 60px; margin-top: 6px; background: var(--bg2); border-radius: 3px; }
.recrow { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; font-size: 11px; color: var(--muted); }
.recrow .btn { min-height: 28px; padding: 3px 10px; }
.wflevel { display: grid; gap: 4px; margin-top: 8px; }
.wflevel label { display: flex; align-items: center; gap: 8px; font-size: 11px; color: var(--muted); }
.wflevel label span { width: 80px; }
.wflevel input[type=range] { flex: 1; accent-color: var(--accent); }
.wfopts { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; }
.wfopts .btn { min-height: 30px; padding: 4px 10px; }

/* Logbuch, Sysop, Chat */
.logbook { max-height: 150px; overflow-y: auto; background: var(--bg2); border: 1px solid var(--line2); border-radius: var(--radius); padding: 4px 8px; font-size: 11px; line-height: 1.6; }
.logbook div { display: flex; gap: 8px; flex-wrap: wrap; border-bottom: 1px solid var(--line2); padding: 2px 0; }
.logbook div:last-child { border-bottom: 0; }
.logbook .t { color: var(--faint); white-space: nowrap; }
.logbook .f { font-variant-numeric: tabular-nums; color: var(--accent); }
.logbook .c { font-weight: 700; }
.logform { display: grid; grid-template-columns: 1fr 1.4fr auto; gap: 4px; margin-top: 6px; }
.logform input { min-width: 0; }
.sysop { display: grid; gap: 6px; }
.sysrow { display: flex; gap: 4px; }
.sysrow input { flex: 1; min-width: 0; }
.sysbtns { display: flex; gap: 4px; flex-wrap: wrap; }
.chatbox { height: 150px; overflow-y: auto; background: var(--bg2); border: 1px solid var(--line2); border-radius: var(--radius); padding: 6px 8px; font-size: 11px; line-height: 1.6; word-break: break-word; }
.chatform { display: flex; gap: 4px; margin-top: 8px; }
.chatform input { flex: 1; }
.myname { width: 140px; font-size: 11px; }
.toast { position: fixed; left: 50%; bottom: 90px; transform: translateX(-50%); background: var(--accent); color: var(--accent-fg); padding: 8px 14px; border-radius: var(--radius); font-size: 12px; z-index: 60; opacity: 0; transition: opacity .2s; pointer-events: none; }
.toast.show { opacity: 1; }

/* Fuß */
.foot { padding: 6px 16px 24px; color: var(--faint); font-size: 10px; letter-spacing: .02em; }
.status { display: flex; gap: 12px; flex-wrap: wrap; padding: 6px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line2); margin-bottom: 8px; text-transform: uppercase; letter-spacing: .06em; }
.status .ok { color: var(--ok); } .status .warn { color: var(--warn); } .status .bad { color: var(--bad); }
.about p { margin: 3px 0; }

/* Einfacher Modus: erweiterte Bedienelemente nur mit Schalter */
.adv { display: none !important; }
#advbtn.on { border-color: var(--accent); color: var(--accent); }
body.sticky .rx-host { position: sticky; top: 0; z-index: 40; background: var(--bg); box-shadow: 0 6px 12px rgba(0,0,0,.4); }

/* Handy-Leiste */
.mbar { display: none; }

@media (max-width: 1100px) { .grp-sig { max-width: none; } }
@media (max-width: 700px) {
  body { padding-bottom: calc(60px + var(--sab)); }
  .top { padding: 6px 10px; gap: 6px; }
  .brand h1 { font-size: 14px; } .logo { width: 28px; height: 28px; } .sub { display: none; }
  .bands { padding: 6px 10px; gap: 4px; flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .bands::-webkit-scrollbar { display: none; }
  .band { flex: 0 0 auto; padding: 5px 10px; }
  .band b { font-size: 12px; } .band > small { display: none; }
  .rx-host, .panel, .foot { padding-left: 10px; padding-right: 10px; }
  .bottom { grid-template-columns: 1fr; }
  .strip { gap: 8px 12px; }
  .grp-freq, .grp-sig, .grp-vol { flex: 1 1 100%; max-width: none; }
  .freq-mhz { font-size: 26px; }
  .fscale { height: 26px; } .fscale b { font-size: 11px; top: 4px; }
  .logform { grid-template-columns: 1fr; } .myname { width: 110px; }
  .mbar {
    display: grid; grid-template-columns: 1fr auto 40px 40px 40px; gap: 4px; align-items: center;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 50; padding: 6px 8px calc(6px + var(--sab));
    background: var(--barbg); border-top: 1px solid var(--line); backdrop-filter: blur(8px);
  }
  .mbar .btn { min-width: 40px; padding: 6px 0; font-size: 16px; }
  .mfreq { background: var(--bg2); color: var(--accent); border: 1px solid var(--line); border-radius: var(--radius); font: 700 18px/1 "JetBrains Mono", monospace; padding: 9px 8px; text-align: left; min-height: 40px; }
  .mmode { min-width: 70px; }
  .mmeter { grid-column: 1 / -1; position: relative; height: 3px; background: var(--bg2); border-radius: 2px; overflow: hidden; }
  .audio-ready .mbar { grid-template-columns: 1fr auto 40px 40px; }
}