/* PirateRF console. Faceplate (graphite) holds the controls; glass (true black)
   holds the signal. Amber is reserved for the VFO and the tuned passband. */

@font-face { font-family: "Barlow Condensed"; font-weight: 400; font-display: swap; src: url(../fonts/barlow-condensed-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "Barlow Condensed"; font-weight: 500; font-display: swap; src: url(../fonts/barlow-condensed-latin-500-normal.woff2) format("woff2"); }
@font-face { font-family: "Barlow Condensed"; font-weight: 600; font-display: swap; src: url(../fonts/barlow-condensed-latin-600-normal.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 300; font-display: swap; src: url(../fonts/ibm-plex-mono-latin-300-normal.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 400; font-display: swap; src: url(../fonts/ibm-plex-mono-latin-400-normal.woff2) format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-weight: 500; font-display: swap; src: url(../fonts/ibm-plex-mono-latin-500-normal.woff2) format("woff2"); }

:root {
  --glass: #000000;
  --plate: #16191b;
  --plate-2: #1d2124;
  --plate-edge: #2a3034;
  --groove: #0e1011;
  --legend: #8a9296;
  --text: #d4d9db;
  --amber: #ffae2b;
  --amber-lo: #7a4f0e;
  --cyan: #5fe0d4;
  --green: #8fd694;
  --red: #ff5a4a;
  --res-glow: 255, 174, 43;

  --ui: "Barlow Condensed", "Arial Narrow", "Roboto Condensed", sans-serif;
  --num: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --panel-w: 330px;
  --spec-h: 36%;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--plate);
  color: var(--text);
  font: 500 15px/1.35 var(--ui);
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }

.app {
  display: grid;
  grid-template-rows: 48px minmax(0, 1fr) 26px;
  height: 100vh;
  height: 100dvh;
}

/* ---------- top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 14px;
  background: var(--plate-2);
  border-bottom: 1px solid var(--groove);
  box-shadow: inset 0 -1px 0 var(--plate-edge);
}
.brand { display: flex; align-items: baseline; gap: 10px; min-width: 0; }
.brand-mark { width: 22px; height: 22px; color: var(--amber); align-self: center; }
.brand-name { font-weight: 600; font-size: 21px; letter-spacing: 0.04em; }
.brand-sub { color: var(--legend); font-size: 15px; white-space: nowrap; }
.topbar-right { display: flex; align-items: center; gap: 12px; }

.radioswitch { display: flex; border: 1px solid var(--plate-edge); border-radius: 4px; overflow: hidden; }
.rs-tab { padding: 5px 12px; font-weight: 600; font-size: 14px; letter-spacing: 0.04em; color: var(--legend); text-decoration: none; background: #1b1f22; }
.rs-tab + .rs-tab { border-left: 1px solid var(--plate-edge); }
.rs-tab:hover { color: var(--text); background: #24292c; }
.rs-tab.rs-on { color: var(--glass); background: var(--amber); }

.dev-chip { display: flex; align-items: center; gap: 8px; color: var(--legend); font-size: 15px; white-space: nowrap; max-width: 46vw; overflow: hidden; text-overflow: ellipsis; }
.led { width: 9px; height: 9px; border-radius: 50%; background: #3a2a2a; box-shadow: inset 0 0 0 1px #000; flex: none; }
.dev-chip[data-state="busy"] .led { background: var(--amber); box-shadow: 0 0 8px var(--amber); }
.dev-chip[data-state="live"] .led { background: var(--green); box-shadow: 0 0 8px var(--green); }
.dev-chip[data-state="error"] .led { background: var(--red); box-shadow: 0 0 8px var(--red); }
.dev-chip[data-state="live"] { color: var(--text); }

.btn {
  border: 1px solid var(--plate-edge);
  background: linear-gradient(#262b2f, #1b1f22);
  border-radius: 3px;
  padding: 6px 14px;
  cursor: pointer;
  font-weight: 600;
  letter-spacing: 0.03em;
  box-shadow: 0 1px 0 #000, inset 0 1px 0 #33393e;
}
.btn:hover { border-color: #3a4247; }
.btn:active { transform: translateY(1px); box-shadow: inset 0 1px 2px #000; }
.btn-connect { color: var(--amber); border-color: var(--amber-lo); }
.btn-connect[data-connected="1"] { color: var(--text); border-color: var(--plate-edge); }
.btn-big { font-size: 19px; padding: 10px 22px; }
.btn:disabled { opacity: 0.5; cursor: progress; }

/* ---------- main grid ---------- */
.console {
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--panel-w);
  min-height: 0;
}

.display {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  padding: 10px 0 10px 10px;
  gap: 10px;
}

/* ---------- readout ---------- */
.readout {
  display: grid;
  grid-template-columns: auto minmax(140px, 1fr) minmax(200px, 300px);
  align-items: center;
  gap: 18px;
  padding: 10px 18px;
  background: var(--glass);
  border-radius: 4px;
  box-shadow: inset 0 0 0 1px #050505, 0 0 0 1px var(--plate-edge), inset 0 8px 24px rgba(255, 174, 43, 0.03);
}

.vfo {
  font: 300 clamp(38px, 4.6vw, 64px)/1 var(--num);
  color: var(--amber);
  text-shadow: 0 0 14px rgba(255, 174, 43, 0.35);
  white-space: nowrap;
  user-select: none;
  font-variant-numeric: tabular-nums;
  outline-offset: 6px;
}
.vfo .d { display: inline-block; cursor: ns-resize; position: relative; padding: 0 0.01em; border-radius: 2px; }
.vfo .d.lead { color: #3d2a0c; text-shadow: none; }
.vfo .d:hover, .vfo .d.sel { background: rgba(255, 174, 43, 0.1); }
.vfo .d.sel::after { content: ""; position: absolute; left: 10%; right: 10%; bottom: -6px; height: 2px; background: var(--amber); }
.vfo .sep { display: inline-block; width: 0.26em; text-align: center; color: var(--amber-lo); }
.vfo .gap { display: inline-block; width: 0.22em; }
.vfo .unit { font: 500 0.3em var(--ui); color: var(--legend); letter-spacing: 0.06em; margin-left: 0.5em; text-shadow: none; vertical-align: 0.25em; }

.readout-meta { display: flex; flex-direction: column; gap: 6px; min-width: 0; font: 400 14px var(--num); }
.meta-row { display: flex; gap: 12px; align-items: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.meta-stack { display: grid; gap: 2px; font-size: 13px; }
.meta-stack span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dim { color: var(--legend); }
.mode-badge { color: var(--glass); background: var(--amber); padding: 1px 8px; border-radius: 2px; font: 600 15px var(--ui); letter-spacing: 0.06em; }
.sq-badge { color: var(--red); font-family: var(--ui); font-size: 15px; }

.smeter { display: grid; gap: 4px; font: 400 12px var(--num); }
.smeter-scale { display: flex; justify-content: space-between; color: var(--legend); }
.smeter-scale span:nth-child(n+6) { color: #b85a50; }
.smeter-bar { position: relative; height: 10px; background: #0b0d0e; border: 1px solid #1b2023; border-radius: 1px; overflow: hidden; }
.smeter-fill {
  position: absolute; inset: 0 auto 0 0; width: 0%;
  background: repeating-linear-gradient(90deg, var(--green) 0 3px, transparent 3px 5px);
  transition: width 90ms linear;
}
.smeter-sq { position: absolute; top: -1px; bottom: -1px; width: 2px; background: var(--red); left: 0; display: none; }
.smeter-value { text-align: right; color: var(--text); font-size: 14px; font-variant-numeric: tabular-nums; }

/* ---------- glass: spectrum + waterfall ---------- */
.glass {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: var(--glass);
  border-radius: 4px;
  box-shadow: 0 0 0 1px var(--plate-edge);
  overflow: hidden;
}
.spec-wrap { flex: 0 0 var(--spec-h); min-height: 90px; position: relative; }
.wf-wrap { flex: 1; min-height: 60px; position: relative; }
.spec-wrap canvas, .wf-wrap canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; cursor: crosshair; touch-action: none; }
.splitter { flex: 0 0 5px; background: #0a0c0d; border-top: 1px solid #171b1d; border-bottom: 1px solid #171b1d; cursor: row-resize; touch-action: none; }
.splitter:hover { background: #1a1e21; }

.nodevice {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  padding: 24px;
  background: radial-gradient(ellipse at 50% 40%, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.92));
  overflow: auto;
}
.nodevice[hidden] { display: none; }
.nodevice-card { max-width: 620px; width: 100%; }
.nodevice h1 { font: 600 30px/1.1 var(--ui); margin: 0 0 10px; letter-spacing: 0.01em; }
.nodevice .lede { color: var(--legend); font-size: 17px; margin: 0 0 20px; max-width: 54ch; }
.nodevice h2 { font: 600 15px var(--ui); color: var(--amber); margin: 0 0 4px; letter-spacing: 0.03em; }
.nodevice p { margin: 0; }
.req { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin: 26px 0 18px; padding-top: 18px; border-top: 1px solid #1d2225; }
.req p { color: #aab2b6; font-weight: 400; }
.err { margin-top: 14px !important; color: var(--red); font-weight: 500; max-width: 60ch; }
.os summary { cursor: pointer; color: var(--text); font-weight: 600; }
.os dl { display: grid; grid-template-columns: max-content 1fr; gap: 8px 16px; margin: 12px 0 0; font-weight: 400; color: #aab2b6; }
.os dt { color: var(--legend); font-weight: 600; }
.os dd { margin: 0; }
.os code { font: 400 13px var(--num); color: var(--cyan); }

/* ---------- control panels ---------- */
.panelstack {
  overflow-y: auto;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  scrollbar-width: thin;
  scrollbar-color: #2a3034 transparent;
}
.panel {
  background: var(--plate-2);
  border: 1px solid var(--groove);
  box-shadow: inset 0 1px 0 #262b2f;
  border-radius: 3px;
  padding: 8px 10px 10px;
}
.legend {
  margin: 0 0 8px;
  font: 600 14px var(--ui);
  color: var(--legend);
  letter-spacing: 0.08em;
  display: flex; align-items: center; gap: 8px;
}
.legend::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, #2c3236, transparent); }

.keys { display: grid; gap: 4px; }
.modes { grid-template-columns: repeat(3, 1fr); }
.bands { grid-template-columns: repeat(2, 1fr); margin-top: 8px; }
.keys button {
  border: 1px solid #0b0d0e;
  background: linear-gradient(#2a2f33, #1f2326);
  border-radius: 2px;
  padding: 6px 4px;
  cursor: pointer;
  font-weight: 600;
  letter-spacing: 0.04em;
  box-shadow: inset 0 1px 0 #363c41, 0 1px 0 #000;
  position: relative;
}
.bands button { font-weight: 500; font-size: 14px; text-align: left; padding-left: 8px; color: #c2c9cc; }
.chanlist { display: grid; grid-template-columns: repeat(2, 1fr); gap: 4px; max-height: 210px; overflow-y: auto; margin-top: 8px; scrollbar-width: thin; padding-right: 2px; }
.chanlist button {
  border: 1px solid #0b0d0e; background: linear-gradient(#2a2f33, #1f2326); border-radius: 2px;
  padding: 5px 7px; cursor: pointer; text-align: left; color: #c2c9cc; font-weight: 500; font-size: 13px;
  box-shadow: inset 0 1px 0 #363c41; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.chanlist button:hover { background: linear-gradient(#30363a, #24292c); }
.chanlist button.on { color: var(--glass); background: var(--amber); box-shadow: inset 0 1px 0 #ffd38a; }
.chanlist button small { display: block; font: 400 11px var(--num); color: inherit; opacity: 0.75; }
.keys button:hover { background: linear-gradient(#30363a, #24292c); }
.keys button[aria-checked="true"] {
  color: var(--glass);
  background: var(--amber);
  box-shadow: 0 0 10px rgba(255, 174, 43, 0.35), inset 0 1px 0 #ffd38a;
}
.keys button.stub::after { content: "stub"; position: absolute; top: 1px; right: 3px; font-size: 10px; font-weight: 500; color: #6d757a; letter-spacing: 0.04em; }
.keys button.stub[aria-checked="true"]::after { color: #5a3a00; }

/* ---------- scanner ---------- */
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-bottom: 8px; border: 1px solid #0b0d0e; border-radius: 3px; overflow: hidden; }
.seg button { border: 0; background: #1b1f22; color: var(--legend); padding: 6px; cursor: pointer; font-weight: 600; letter-spacing: 0.04em; }
.seg button + button { border-left: 1px solid #0b0d0e; }
.seg button[aria-selected="true"] { background: var(--plate-edge); color: var(--text); box-shadow: inset 0 -2px 0 var(--amber); }

.memlist { display: flex; flex-direction: column; gap: 3px; max-height: 190px; overflow-y: auto; margin-bottom: 6px; scrollbar-width: thin; }
.memlist:empty::after { content: "No saved channels yet."; color: #5a6266; font-size: 13px; padding: 6px 2px; }
.mem {
  display: grid; grid-template-columns: auto minmax(0, 1fr) auto auto; align-items: center; gap: 7px;
  padding: 4px 6px; background: #14181a; border: 1px solid #0d0f10; border-radius: 2px;
}
.mem.active { border-color: var(--amber-lo); box-shadow: 0 0 0 1px var(--amber-lo), 0 0 8px rgba(255,174,43,.2); }
.mem input[type="checkbox"] { width: 14px; height: 14px; accent-color: var(--amber); cursor: pointer; margin: 0; }
.mem .mname { min-width: 0; cursor: pointer; }
.mem .mname b { font-weight: 600; display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mem .mname small { color: var(--legend); font: 400 12px var(--num); }
.mem .mmode { font: 500 12px var(--ui); color: var(--legend); }
.mem .mdel { border: 0; background: none; color: #6d757a; cursor: pointer; font-size: 16px; line-height: 1; padding: 0 2px; }
.mem .mdel:hover { color: var(--red); }
.addrow { grid-template-columns: minmax(0, 1fr) auto; margin-top: 2px; }

.scanctl { grid-template-columns: 1fr 1fr 1fr; margin-top: 8px; }
.scanner.scanning .legend { color: var(--amber); }
#scanStart.on { color: var(--glass); background: var(--amber); box-shadow: 0 0 10px rgba(255,174,43,.35), inset 0 1px 0 #ffd38a; }
#scanAuto.on, #sqAuto.on { color: var(--glass); background: var(--amber); box-shadow: inset 0 1px 0 #ffd38a; }
input[type="range"]:disabled { opacity: 0.4; }
#swMode { text-align: right; font: 500 13px var(--ui); }

.row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  min-height: 30px;
}
.row > span:first-child { color: var(--legend); font-size: 14px; }
.row output { font: 400 13px var(--num); color: var(--text); min-width: 62px; text-align: right; font-variant-numeric: tabular-nums; }
.row[hidden] { display: none; }
.row select, .row input[type="number"], .row input[type="text"] {
  width: 100%;
  background: #0d0f10;
  border: 1px solid #2a3034;
  border-radius: 2px;
  padding: 4px 6px;
  font: 400 13px var(--num);
}
.row select { font-family: var(--ui); font-size: 15px; font-weight: 500; }
.entry { grid-template-columns: minmax(0, 1fr) auto; }
.entry input { font-size: 15px !important; }

.toggles { display: flex; flex-wrap: wrap; gap: 6px 14px; margin: 6px 0 4px; align-items: center; }
.tog { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; font-size: 14px; color: #c2c9cc; }
.tog input { appearance: none; width: 26px; height: 14px; border-radius: 7px; background: #0b0d0e; border: 1px solid #30373b; position: relative; cursor: pointer; margin: 0; }
.tog input::after { content: ""; position: absolute; width: 10px; height: 10px; border-radius: 50%; top: 1px; left: 1px; background: #4a5257; transition: transform 120ms; }
.tog input:checked { border-color: var(--amber-lo); }
.tog input:checked::after { transform: translateX(12px); background: var(--amber); box-shadow: 0 0 6px var(--amber); }

.mini {
  border: 1px solid #0b0d0e;
  background: linear-gradient(#2a2f33, #1f2326);
  border-radius: 2px;
  padding: 3px 9px;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  box-shadow: inset 0 1px 0 #363c41;
}
.mini[aria-pressed="true"] { color: var(--red); }

input[type="range"] { appearance: none; width: 100%; height: 18px; background: transparent; cursor: pointer; margin: 0; }
input[type="range"]::-webkit-slider-runnable-track { height: 4px; background: #0b0d0e; border: 1px solid #2a3034; border-radius: 2px; }
input[type="range"]::-webkit-slider-thumb { appearance: none; width: 10px; height: 16px; margin-top: -7px; border-radius: 1px; background: linear-gradient(#cfd5d8, #8c959a); border: 1px solid #000; }
input[type="range"]:focus-visible::-webkit-slider-thumb { background: var(--amber); }
input[type="range"]::-moz-range-track { height: 4px; background: #0b0d0e; border: 1px solid #2a3034; }
input[type="range"]::-moz-range-thumb { width: 10px; height: 16px; border-radius: 1px; background: #b8c0c4; border: 1px solid #000; }

.note { margin: 8px 0 0; color: var(--legend); font: 400 12.5px/1.4 var(--num); }
.scope { width: 100%; aspect-ratio: 1 / 1; display: block; background: var(--glass); border-radius: 2px; box-shadow: inset 0 0 0 1px #1a1f22; }

/* ---------- status bar ---------- */
.statusbar {
  display: flex; align-items: center; gap: 18px;
  padding: 0 12px;
  background: var(--groove);
  border-top: 1px solid #23292c;
  font: 400 12px var(--num);
  color: #9aa3a7;
  white-space: nowrap;
  overflow: hidden;
}
.statusbar .grow { flex: 1; }
.pill { padding: 0 6px; border-radius: 2px; color: #59626a; border: 1px solid #262c30; }
.pill.good { color: var(--green); border-color: #2f5034; }
.pill.bad { color: var(--glass); background: var(--red); border-color: var(--red); }

/* ---------- responsive ---------- */
@media (max-width: 1180px) {
  .readout { grid-template-columns: auto minmax(0, 1fr); }
  .smeter { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .app { height: auto; min-height: 100dvh; grid-template-rows: auto auto auto; }
  .console { grid-template-columns: 1fr; }
  .display { height: 78vh; height: 78dvh; padding: 8px; }
  .panelstack { overflow: visible; padding: 0 8px 8px; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
  .topbar { padding: 6px 10px; flex-wrap: wrap; height: auto; min-height: 48px; }
  .brand-sub { display: none; }
  .topbar-right { flex-wrap: wrap; gap: 6px 8px; min-width: 0; }
  .dev-chip { max-width: 100%; }
  .radioswitch .rs-tab { padding: 4px 10px; }
  .readout { padding: 8px 12px; gap: 8px; grid-template-columns: 1fr; }
  .scope { max-width: 260px; margin: 0 auto; }
  .vfo { font-size: clamp(30px, 9vw, 48px); }
  .req { grid-template-columns: 1fr; }
  .statusbar { flex-wrap: wrap; gap: 4px 12px; padding: 4px 10px; height: auto; }
  #stHint { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* ---- Resources button + floating-sign overlay (shared; glow follows theme) ---- */
.btn-res {
  background: #14181b; color: var(--amber); border: 1px solid var(--amber-lo);
  letter-spacing: 0.04em;
}
.btn-res:hover { background: #1d2328; box-shadow: 0 0 10px rgba(var(--res-glow), 0.25); }

.res-overlay {
  position: fixed; inset: 0; z-index: 50;
  display: grid; place-items: center; padding: 24px;
  background: rgba(3, 5, 6, 0.72); backdrop-filter: blur(3px);
  animation: resFade 0.18s ease-out;
}
.res-overlay[hidden] { display: none; }
@keyframes resFade { from { opacity: 0; } to { opacity: 1; } }

.res-sign {
  position: relative; width: min(560px, 92vw); padding: 44px 40px 40px;
  text-align: center; border-radius: 10px;
  background: radial-gradient(120% 120% at 50% 0%, #1a1f22 0%, #0a0d0f 70%);
  border: 1px solid var(--amber-lo);
  box-shadow: 0 0 0 1px rgba(var(--res-glow), 0.15), 0 0 60px rgba(var(--res-glow), 0.18), 0 24px 60px rgba(0, 0, 0, 0.6);
  animation: resPop 0.22s cubic-bezier(0.2, 0.9, 0.3, 1.2);
}
@keyframes resPop { from { transform: translateY(10px) scale(0.97); opacity: 0; } to { transform: none; opacity: 1; } }

.res-close {
  position: absolute; top: 10px; right: 12px; width: 32px; height: 32px;
  background: transparent; border: 0; color: var(--legend); font-size: 26px; line-height: 1;
  cursor: pointer; border-radius: 4px;
}
.res-close:hover { color: var(--amber); background: #1d2328; }

.res-neon {
  font: 700 15px var(--ui); letter-spacing: 0.42em; color: var(--amber);
  text-shadow: 0 0 8px rgba(var(--res-glow), 0.7), 0 0 20px rgba(var(--res-glow), 0.45);
  margin-left: 0.42em; margin-bottom: 18px;
  animation: resFlicker 4s infinite steps(1);
}
@keyframes resFlicker {
  0%, 92%, 96%, 100% { opacity: 1; }
  93%, 95% { opacity: 0.45; }
}
.res-soon {
  margin: 0 0 14px; font: 300 42px var(--ui); letter-spacing: 0.02em; color: #eef1f2;
  text-shadow: 0 0 18px rgba(var(--res-glow), 0.45);
}
.res-note { margin: 0 auto; max-width: 42ch; color: var(--legend); font-size: 15px; line-height: 1.55; }

@media (max-width: 900px) { .res-soon { font-size: 34px; } }