:root {
  color-scheme: dark;
  --bg: #080c11;
  --panel: #111821;
  --panel-2: #0c1219;
  --line: #263342;
  --text: #eef5fb;
  --muted: #8fa2b5;
  --accent: #42b8ff;
  --good: #5fe08b;
  --bad: #ff6474;
  --warn: #ffc857;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top, #122131 0, var(--bg) 40%);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
button, input, select { font: inherit; }
button {
  border: 1px solid #38506a;
  border-radius: 10px;
  background: #1a2734;
  color: var(--text);
  padding: .7rem 1rem;
  cursor: pointer;
}
button:hover { border-color: var(--accent); }
button.warning { border-color: #95732b; }
button.wide { width: 100%; margin-top: .5rem; }
button.active, .vfo-row.active .vfo-select { border-color: var(--good); box-shadow: 0 0 0 1px rgba(95,224,139,.25); }
button:disabled { cursor: not-allowed; opacity: .62; }
button.busy:disabled { cursor: wait; }

.shell { width: min(1220px, calc(100% - 28px)); margin: 0 auto; padding: 24px 0 56px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 18px 24px; margin-bottom: 18px; flex-wrap: wrap; min-width: 0; }
.station-title { min-width: 0; flex: 1 1 260px; }
h1 { margin: 0; font-size: clamp(1.7rem, 4vw, 2.6rem); letter-spacing: -.04em; }
h2 { margin: 0 0 16px; font-size: 1.15rem; }
.eyebrow { margin: 0 0 2px; color: var(--accent); font-size: .75rem; letter-spacing: .18em; font-weight: 800; }
.connection { display: flex; align-items: center; justify-content: flex-end; gap: 9px; color: var(--muted); max-width: 100%; min-width: 0; text-align: right; overflow-wrap: anywhere; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--bad); box-shadow: 0 0 14px var(--bad); flex: 0 0 auto; }
.dot.online { background: var(--good); box-shadow: 0 0 14px var(--good); }

.card { background: linear-gradient(180deg, rgba(20,29,39,.98), rgba(12,18,25,.98)); border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 16px 48px rgba(0,0,0,.24); }
.video-card {
  position: sticky;
  top: 12px;
  z-index: 30;
  width: min(800px, 100%);
  margin-inline: auto;
  overflow: hidden;
  box-shadow: 0 18px 58px rgba(0,0,0,.52);
}
.video-header { display: flex; align-items: center; padding: 10px 14px; border-bottom: 1px solid var(--line); font-weight: 750; }
.compact-button { padding: .3rem .65rem; border-radius: 8px; font-size: .78rem; }
.video-frame { width: 100%; max-width: 800px; aspect-ratio: 5 / 3; background: #000; display: grid; place-items: center; overflow: hidden; }
.video-frame img { display: block; width: 100%; max-width: 800px; height: auto; max-height: 480px; aspect-ratio: 5 / 3; object-fit: contain; }
.muted { color: var(--muted); }
.help { margin: 8px 0 0; color: var(--muted); font-size: .84rem; }

.frequency-card { margin-top: 16px; padding: 18px; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 18px 24px; align-items: end; }
.frequency-heading { display: flex; align-items: center; gap: 10px; }
.label, .control-label { color: var(--muted); font-size: .8rem; letter-spacing: .08em; text-transform: uppercase; }
.badge { display: inline-flex; border: 1px solid #35516b; border-radius: 999px; padding: 2px 8px; font-size: .75rem; color: #cdeeff; }
.frequency-readout { margin-top: 3px; font: 700 clamp(2rem, 7vw, 4.6rem)/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; color: #d9f3ff; text-shadow: 0 0 24px rgba(66,184,255,.35); }
.frequency-form { display: grid; grid-template-columns: auto minmax(150px, 210px) auto; align-items: center; gap: 8px; }
input[type="number"], input[type="text"], input[type="password"], select { border: 1px solid #34475b; background: #091018; color: var(--text); border-radius: 9px; padding: .7rem .75rem; min-width: 0; width: 100%; }
input[type="range"] { width: 100%; accent-color: var(--accent); }
.auto-hint {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 .7rem;
  border: 1px solid #294861;
  border-radius: 999px;
  color: #bde7ff;
  background: rgba(66,184,255,.08);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.jog-control { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 14px; }
.jog-title { display: flex; justify-content: space-between; gap: 12px; }
.jog-track-wrap { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; margin-top: 8px; color: var(--muted); font-size: .85rem; }
#frequency-jog { height: 30px; }

.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 16px; }
.panel-card { padding: 18px; }
.control-column .grid { align-items: start; }
.panel-card { min-width: 0; }
.control-label { display: block; margin-top: 14px; }
.inline-control { display: grid; grid-template-columns: 1fr; gap: 8px; margin: 6px 0 16px; }
.three-buttons { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; margin-top: 14px; }
.vfo-row { display: grid; grid-template-columns: minmax(86px, .7fr) minmax(130px, 1.2fr) auto; gap: 8px; align-items: center; border: 1px solid var(--line); border-radius: 12px; padding: 10px; margin-top: 10px; }
.vfo-row.active { border-color: #397759; background: rgba(44,111,75,.1); }
.vfo-name { display: block; font-weight: 800; }
.switch-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.switch-row.separated { margin-top: 18px; border-top: 1px solid var(--line); }
.switch-label { font-weight: 650; }
.switch-row input[type="checkbox"] { width: 22px; height: 22px; accent-color: var(--accent); }
.status-list { margin: 0; }
.status-list > div { display: flex; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line); padding: 9px 0; }
.status-list dt { color: var(--muted); }
.status-list dd { margin: 0; font-weight: 700; text-align: right; overflow-wrap: anywhere; }
.tuner-buttons { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; margin-top: 20px; }
.advanced-card { padding: 16px 18px; margin-top: 16px; }
.advanced-card summary { cursor: pointer; font-weight: 700; }
.cat-form { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 10px; margin-top: 14px; }
pre { white-space: pre-wrap; background: #070b10; border: 1px solid var(--line); border-radius: 9px; padding: 12px; min-height: 48px; }
.toast { position: fixed; right: 18px; bottom: 18px; max-width: min(420px, calc(100% - 36px)); padding: 12px 16px; border-radius: 10px; background: #173927; border: 1px solid #2d7c4a; opacity: 0; transform: translateY(20px); pointer-events: none; transition: .2s ease; z-index: 10; }
.toast.error { background: #421d25; border-color: #8f3b48; }
.toast.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 850px) {
  .topbar { align-items: stretch; flex-direction: column; }
  .connection { max-width: none; text-align: left; }
  .frequency-card { grid-template-columns: 1fr; }
  .frequency-form { grid-template-columns: auto 1fr auto; }
  .grid { grid-template-columns: 1fr; }
}

@media (max-height: 520px) and (orientation: landscape) {
  .video-card { width: min(560px, 100%); top: 6px; }
  .video-header { padding: 6px 12px; }
}

@media (max-width: 620px) {
  .vfo-row { grid-template-columns: 1fr 1fr; }
  .vfo-row > div, .vfo-row input, .vfo-row .vfo-select { grid-column: 1 / -1; }
  .three-buttons, .tuner-buttons { grid-template-columns: 1fr; }
  .radio-audio-levels { grid-template-columns: 1fr; }
  .cat-form { grid-template-columns: 1fr; }
  .jog-track-wrap { grid-template-columns: 1fr; }
  .jog-track-wrap span { display: none; }
}

/* Manual browser audio and latched click-to-toggle PTT */
.panel-heading-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.panel-heading-row h2 { margin-bottom: 0; }
.audio-help { margin-bottom: 14px; }
.audio-status {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 3px 9px;
  border: 1px solid #4a3a3f;
  border-radius: 999px;
  color: #ffb2bc;
  background: rgba(255,100,116,.08);
  font-size: .72rem;
  font-weight: 850;
  letter-spacing: .08em;
}
.audio-status.connecting { border-color: #806b35; color: #ffe09a; background: rgba(255,200,87,.08); }
.audio-status.live { border-color: #397759; color: #aaf2c1; background: rgba(95,224,139,.09); }
.audio-status.error { border-color: #8f3b48; color: #ffc1c8; background: rgba(255,100,116,.12); }
.audio-card input[type="range"]:disabled { opacity: .4; }
.radio-audio-levels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 12px;
  margin: 0 0 12px;
}
.radio-audio-level {
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(6, 20, 32, .42);
}
.radio-audio-level .control-label {
  margin: 0 0 7px;
  font-size: .76rem;
}
.audio-file-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}
.audio-file-actions button { min-height: 42px; }
.audio-file-actions button.recording {
  border-color: #ff6474;
  background: linear-gradient(180deg, #6c2430, #421820);
  color: #fff;
}
.audio-file-actions button.playing {
  border-color: #59b8f2;
  background: linear-gradient(180deg, #173f58, #102d40);
  color: #eaf8ff;
}
.audio-file-status {
  min-height: 1.2em;
  margin: 7px 0 0;
  font-variant-numeric: tabular-nums;
}
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}
.ptt-button {
  width: 100%;
  min-height: 72px;
  margin-top: 22px;
  border: 2px solid #7a3440;
  background: linear-gradient(180deg, #3e1e25, #2a151a);
  color: #ffd7dc;
  font-weight: 900;
  letter-spacing: .08em;
  user-select: none;
  touch-action: manipulation;
  -webkit-touch-callout: none;
}
.ptt-button:not(:disabled):hover { border-color: #ff6474; }
.ptt-button.transmitting {
  border-color: #ff6474;
  background: linear-gradient(180deg, #a52538, #6f1725);
  color: #fff;
  box-shadow: 0 0 0 2px rgba(255,100,116,.25), 0 0 30px rgba(255,100,116,.35);
}
.ptt-button:disabled { cursor: not-allowed; opacity: .45; }
.toast { z-index: 60; }

/* Station power controls */
.topbar-controls {
  display: flex;
  align-items: flex-end;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
  max-width: 100%;
  flex: 0 0 auto;
}
.station-actions {
  display: flex;
  max-width: 100%;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: nowrap;
}
.station-button {
  min-width: 94px;
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #38506a;
  border-radius: 10px;
  padding: .65rem .95rem;
  background: #1a2734;
  color: var(--text);
  font-weight: 850;
  letter-spacing: .045em;
  text-decoration: none;
  white-space: nowrap;
}
.station-button:not(:disabled):not(.disabled):hover { border-color: var(--accent); }
.station-button.settings-button {
  min-width: 42px;
  padding-inline: .75rem;
  font-size: 1.05rem;
  line-height: 1;
  overflow: hidden;
}
.settings-button-icon {
  display: inline-block;
  line-height: 1;
  transform: scale(1.45);
  transform-origin: center;
}
.station-button.power-on-action {
  border-color: #397759;
  background: linear-gradient(180deg, #173827, #10291d);
  color: #b7f4c9;
}
.station-button.power-off-action,
.station-button.ft8-running {
  border-color: #8f3b48;
  background: linear-gradient(180deg, #46212a, #2d171c);
  color: #ffd1d6;
}
.station-link.ready {
  border-color: #36789e;
  background: linear-gradient(180deg, #15344a, #102535);
  color: #c9efff;
}
.station-link.disabled,
.station-button:disabled {
  cursor: not-allowed;
  opacity: .45;
  pointer-events: none;
}

.settings-dialog[hidden] { display: none; }
.settings-dialog {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(2, 6, 10, .72);
  backdrop-filter: blur(6px);
}
.settings-dialog-panel {
  width: min(720px, 100%);
  max-height: min(86vh, 680px);
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0d141c;
  box-shadow: 0 22px 70px rgba(0, 0, 0, .42);
  padding: 16px;
}
.settings-dialog-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.settings-dialog-heading h2 {
  margin: 0;
  font-size: 1.05rem;
}
.settings-close {
  width: 34px;
  min-height: 34px;
  padding: 0;
  font-size: 1.25rem;
  line-height: 1;
}
.settings-form {
  display: grid;
  gap: 12px;
}
.settings-section {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
}
.settings-section legend {
  padding: 0 6px;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--accent);
}
.settings-form label {
  display: grid;
  gap: 6px;
}
.settings-form input {
  min-height: 42px;
}
.settings-form input:disabled {
  opacity: .58;
  cursor: not-allowed;
}
.settings-form textarea {
  min-height: 170px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  line-height: 1.35;
}
.settings-check-row {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 42px;
}
.settings-check-row input[type="checkbox"] {
  width: 22px;
  height: 22px;
  accent-color: var(--accent);
}
.settings-same-row {
  margin-top: 2px;
  min-height: 30px;
}
.settings-network-section {
  gap: 14px;
}
.settings-network-group {
  display: grid;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid rgba(143, 162, 181, .18);
}
.settings-network-group:first-of-type {
  padding-top: 0;
  border-top: 0;
}
.settings-network-heading {
  color: #cdeeff;
  font-size: .78rem;
  font-weight: 850;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.settings-wifi-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: end;
}
.settings-wifi-row button {
  min-height: 42px;
}
.settings-two-column {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(120px, .45fr);
  gap: 10px;
}
.settings-log-tools {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: end;
}
.settings-log-progress {
  display: grid;
  grid-template-columns: minmax(120px, .5fr) minmax(0, 1fr);
  gap: 10px;
  align-items: center;
}
.settings-log-progress progress {
  width: 100%;
}
.settings-log-progress strong {
  font-size: .72rem;
  overflow-wrap: anywhere;
}
.settings-form .help.error {
  color: #ff9ba6;
}
.settings-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}
@media (max-width: 620px) {
  .settings-two-column,
  .settings-wifi-row,
  .settings-log-tools,
  .settings-log-progress {
    grid-template-columns: 1fr;
  }
}
input[readonly] {
  color: var(--muted);
  background: #091018;
  cursor: default;
}

@media (max-width: 850px) {
  .topbar-controls { align-items: flex-start; width: 100%; }
  .station-actions { justify-content: flex-start; width: 100%; }
}

@media (max-width: 520px) {
  .station-actions { display: grid; grid-template-columns: repeat(2, 1fr); }
  .station-button { min-width: 0; width: 100%; padding-inline: .5rem; font-size: .82rem; }
}

/* CW decoder and CAT keyer */
.cw-card { min-width: 0; }
.cw-status {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 3px 9px;
  border: 1px solid #4a3a3f;
  border-radius: 999px;
  color: #ffb2bc;
  background: rgba(255,100,116,.08);
  font-size: .72rem;
  font-weight: 850;
  letter-spacing: .08em;
}
.cw-status.receiving { border-color: #36789e; color: #c9efff; background: rgba(66,184,255,.09); }
.cw-status.signal { border-color: #397759; color: #aaf2c1; background: rgba(95,224,139,.1); }
.cw-status.transmitting { border-color: #c38a2d; color: #ffe3a7; background: rgba(255,189,72,.12); }
.cw-parameter-grid {
  display: grid;
  grid-template-columns: minmax(110px, 1fr) minmax(70px, auto) minmax(80px, 110px);
  gap: 8px 10px;
  align-items: center;
  margin: 14px 0 10px;
}
.cw-option { display: inline-flex; align-items: center; justify-content: space-between; gap: 12px; font-weight: 650; }
.cw-option input[type="checkbox"] { width: 20px; height: 20px; accent-color: var(--accent); }
.cw-signal {
  margin: 10px 0 8px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--muted);
  background: #091018;
  font: 700 .78rem/1.35 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.cw-signal.on { color: #b8f5ca; border-color: #397759; }
.cw-decoded-text {
  width: 100%;
  min-height: 132px;
  resize: vertical;
  border: 1px solid #34475b;
  border-radius: 10px;
  padding: 11px;
  background: #070b10;
  color: #d9f3ff;
  font: 700 1rem/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  text-transform: uppercase;
}
.cw-rx-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }
.cw-send-form { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.cw-send-row { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 8px; margin-top: 7px; }
.cw-send-row input { text-transform: uppercase; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.cw-send-row .danger { border-color: #8f3b48; background: #421d25; color: #ffd1d6; }
.cw-send-row .danger:not(:disabled):hover { border-color: #ff6474; }
.cw-send-meta { display: flex; justify-content: space-between; gap: 14px; margin-top: 7px; color: var(--muted); font-size: .76rem; }

@media (max-width: 620px) {
  .cw-parameter-grid { grid-template-columns: 1fr auto; }
  .cw-option { grid-column: 1 / -1; }
  .cw-send-row { grid-template-columns: 1fr 1fr; }
  .cw-send-row input { grid-column: 1 / -1; }
  .cw-send-meta { flex-direction: column; gap: 3px; }
}


/* Always-on click-to-tune overlay. The frequency axis is calibrated in config.js. */
.video-frame { position: relative; }
.video-frame.click-tuning-available { cursor: crosshair; }
.video-frame.click-tuning-available img { user-select: none; -webkit-user-select: none; }
.click-tune-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.click-tune-crosshair {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(255, 211, 91, .95);
  box-shadow: 0 0 8px rgba(255, 211, 91, .75);
  opacity: 0;
  transform: translateX(-.5px);
}
.click-tune-preview {
  position: absolute;
  min-width: 7.7rem;
  padding: .25rem .45rem;
  border: 1px solid rgba(255, 211, 91, .7);
  border-radius: 7px;
  background: rgba(3, 8, 13, .9);
  color: #ffe37d;
  font: 800 .76rem/1.15 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  text-align: center;
  opacity: 0;
  transform: translate(-50%, calc(-100% - 7px));
  white-space: nowrap;
}
.video-frame.click-tuning-hover .click-tune-crosshair,
.video-frame.click-tuning-hover .click-tune-preview { opacity: 1; }


/* Wide-screen workstation layout: sticky display/frequency column and scrolling controls. */
.workspace { min-width: 0; }
.primary-column,
.control-column { min-width: 0; }

@media (min-width: 960px) {
  .shell {
    width: min(1760px, calc(100% - 32px));
  }

  .workspace {
    display: grid;
    grid-template-columns: clamp(560px, 58vw, 800px) minmax(340px, 1fr);
    align-items: start;
    gap: 16px;
  }

  .primary-column {
    display: block;
    position: sticky;
    top: 12px;
    align-self: start;
  }

  .primary-column .video-card {
    position: relative;
    top: auto;
    width: 100%;
    margin-inline: 0;
  }

  .primary-column .frequency-card {
    width: 100%;
    margin-top: 16px;
    padding: 14px 16px;
    gap: 12px 18px;
  }

  .primary-column .frequency-readout {
    font-size: clamp(2.2rem, 4.4vw, 4rem);
  }

  .primary-column .jog-control {
    padding-top: 11px;
  }

  .primary-column .help {
    font-size: .78rem;
  }

  .control-column .grid {
    grid-template-columns: 1fr;
    margin-top: 0;
  }

  .control-column .advanced-card {
    margin-top: 16px;
  }
}

@media (min-width: 1580px) {
  /*
   * Wide control panels use CSS columns rather than grid rows. Each card can
   * therefore follow the previous card immediately instead of inheriting the
   * height of the tallest card in the opposite column.
   */
  .control-column .grid {
    display: block;
    column-count: 2;
    column-gap: 16px;
  }

  .control-column .grid > .panel-card {
    display: inline-block;
    width: 100%;
    margin: 0 0 16px;
    vertical-align: top;
    break-inside: avoid;
    -webkit-column-break-inside: avoid;
  }
}


/* Collapsible control panels. Panels remain open by default and remember state. */
.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;
}
.panel-collapse-heading { margin-bottom: 16px; }
.panel-collapse-heading h2 {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
}
.panel-drag-handle {
  position: relative;
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: 9px;
  cursor: grab;
  touch-action: none;
  display: grid;
  place-items: center;
}
.panel-drag-handle:active { cursor: grabbing; }
.panel-drag-handle::before {
  content: "";
  width: 15px;
  height: 19px;
  background-image: radial-gradient(circle, currentColor 1.4px, transparent 1.6px);
  background-position: 0 0;
  background-size: 6px 6px;
  opacity: .8;
}
.panel-card.is-reordering {
  position: relative;
  z-index: 6;
  opacity: .72;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
body.panel-reorder-active {
  cursor: grabbing;
  user-select: none;
  -webkit-user-select: none;
}
.panel-collapse-toggle {
  position: relative;
  flex: 0 0 auto;
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: 9px;
  display: grid;
  place-items: center;
}
.panel-collapse-toggle::before {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-2px) rotate(45deg);
  transition: transform .16s ease;
}
.panel-card.is-collapsed .panel-collapse-heading { margin-bottom: 0; }
.panel-card.is-collapsed .panel-collapse-toggle::before {
  transform: translateX(-2px) rotate(-45deg);
}
.panel-collapse-body[hidden] { display: none; }

/* Real FT-710 memory channels plus Raspberry-side metadata. */
.memory-card { min-width: 0; }
.memory-status {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 3px 9px;
  border: 1px solid #38506a;
  border-radius: 999px;
  color: #c9efff;
  background: rgba(66,184,255,.08);
  font-size: .72rem;
  font-weight: 850;
  letter-spacing: .07em;
}
.memory-status.live { border-color: #397759; color: #aaf2c1; background: rgba(95,224,139,.09); }
.memory-status.working { border-color: #806b35; color: #ffe09a; background: rgba(255,200,87,.08); }
.memory-status.error { border-color: #8f3b48; color: #ffc1c8; background: rgba(255,100,116,.12); }
.memory-save-form { margin-top: 15px; }
.memory-form-grid {
  display: grid;
  grid-template-columns: minmax(140px, 1fr) minmax(130px, .7fr) minmax(120px, .7fr);
  gap: 10px;
}
.memory-form-grid label { min-width: 0; }
.memory-form-grid .control-label { display: block; margin: 0 0 6px; }
.memory-note-field { grid-column: 1 / -1; }
.memory-overwrite {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 11px 0;
  color: var(--muted);
  font-size: .8rem;
}
.memory-overwrite input { width: 18px; height: 18px; accent-color: var(--accent); }
.memory-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 18px 0 10px;
  padding-top: 15px;
  border-top: 1px solid var(--line);
}
.memory-list {
  display: grid;
  gap: 9px;
  max-height: 520px;
  overflow: auto;
  padding-right: 3px;
}
.memory-empty {
  margin: 0;
  padding: 18px 12px;
  border: 1px dashed #34475b;
  border-radius: 10px;
  color: var(--muted);
  text-align: center;
}
.memory-item {
  min-width: 0;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #091018;
}
.memory-item-heading,
.memory-details,
.memory-actions {
  display: flex;
  align-items: center;
  gap: 9px;
}
.memory-item-heading { justify-content: space-between; }
.memory-identity { display: flex; align-items: center; gap: 9px; min-width: 0; }
.memory-identity strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.memory-slot-badge,
.memory-category {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  padding: 2px 7px;
  border: 1px solid #35516b;
  border-radius: 999px;
  color: #cdeeff;
  font-size: .7rem;
  font-weight: 850;
  letter-spacing: .05em;
}
.memory-category { color: #b7f4c9; border-color: #397759; }
.memory-details { margin-top: 8px; color: var(--muted); font-size: .82rem; }
.memory-frequency {
  color: #d9f3ff;
  font: 750 .96rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.memory-note { margin: 8px 0 0; color: var(--muted); font-size: .8rem; overflow-wrap: anywhere; }
.memory-actions { flex-wrap: wrap; margin-top: 10px; }
.memory-actions button { padding: .45rem .62rem; font-size: .75rem; }
.memory-edit-form {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.memory-edit-form h3 { margin: 0; font-size: 1rem; }
.memory-edit-form .memory-form-grid { margin: 12px 0; }

@media (max-width: 620px) {
  .memory-form-grid { grid-template-columns: 1fr; }
  .memory-note-field { grid-column: auto; }
  .memory-toolbar { align-items: flex-start; flex-direction: column; }
  .memory-list { max-height: none; }
  .memory-item-heading { align-items: flex-start; }
  .memory-actions { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .memory-actions button { width: 100%; }
}

/* SSTV receive decoder. */
.sstv-card { min-width: 0; }
.sstv-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 54px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255,255,255,.025);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .06em;
}
.sstv-status.waiting { border-color: #665c36; color: #ffe6a3; background: rgba(255,205,91,.08); }
.sstv-status.vis { border-color: #4d6794; color: #cfe0ff; background: rgba(92,143,235,.09); }
.sstv-status.receiving { border-color: #397759; color: #b8f5ca; background: rgba(95,224,139,.1); }
.sstv-status.complete { border-color: #36789e; color: #c9efff; background: rgba(66,184,255,.09); }
.sstv-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  color: var(--muted);
  font-size: .76rem;
  font-variant-numeric: tabular-nums;
}
.sstv-progress {
  display: block;
  width: 100%;
  height: 10px;
  margin: 7px 0 10px;
  accent-color: var(--accent);
}
.sstv-vis-hint,
.sstv-detail,
.sstv-signal {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: .72rem;
  line-height: 1.35;
}
.sstv-vis-hint { margin-top: 7px; }
.sstv-signal { margin-top: 7px; }
.sstv-canvas-wrap {
  display: block;
  width: 100%;
  max-width: 640px;
  aspect-ratio: var(--sstv-frame-width, 320) / var(--sstv-frame-height, 256);
  margin: 12px auto 0;
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-gutter: stable;
  overscroll-behavior: contain;
  border: 1px solid var(--line);
  border-radius: 10px;
  background:
    linear-gradient(45deg, rgba(255,255,255,.018) 25%, transparent 25%, transparent 75%, rgba(255,255,255,.018) 75%),
    linear-gradient(45deg, rgba(255,255,255,.018) 25%, transparent 25%, transparent 75%, rgba(255,255,255,.018) 75%),
    #080c11;
  background-position: 0 0, 8px 8px;
  background-size: 16px 16px;
}
#sstv-canvas,
.sstv-frame-canvas {
  display: block;
  width: 100%;
  height: auto;
  image-rendering: pixelated;
  background: #080c11;
}
.sstv-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}
.sstv-send-form {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.sstv-send-title {
  font-weight: 750;
  margin-bottom: 8px;
}
.sstv-tx-preview-wrap {
  width: 100%;
  max-width: 420px;
  aspect-ratio: var(--sstv-frame-width, 320) / var(--sstv-frame-height, 240);
  margin: 12px auto 10px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #05080c;
}
#sstv-tx-preview {
  display: block;
  width: 100%;
  height: auto;
  background: #05080c;
}
.sstv-send-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) auto;
  gap: 8px;
  margin-top: 10px;
}
.sstv-send-actions button { min-height: 42px; }
.sstv-send-actions .danger {
  border-color: #8f3b48;
  background: #421d25;
  color: #ffd1d6;
}
.sstv-send-actions .danger:not(:disabled):hover { border-color: #ff6474; }
.sstv-tx-detail {
  margin-top: 9px;
  font-variant-numeric: tabular-nums;
}
.sstv-tx-detail.error {
  border-color: #8f3b48;
  color: #ffc1c8;
  background: rgba(255,100,116,.12);
}
@media (max-width: 560px) {
  .sstv-meta { align-items: flex-start; flex-direction: column; gap: 4px; }
  .sstv-actions { grid-template-columns: 1fr; }
  .sstv-send-actions { grid-template-columns: 1fr; }
}


/* FT8.3 browser-native RX decoder, QSO planner, timing and waterfall diagnostics. */
.ft8-card { min-width: 0; }
.ft8-status {
  display: inline-flex; align-items: center; justify-content: center; min-width: 64px;
  padding: 5px 9px; border: 1px solid var(--line); border-radius: 999px;
  color: var(--muted); background: rgba(255,255,255,.025); font-size: .72rem; font-weight: 850; letter-spacing: .06em;
}
.ft8-status.waiting { border-color: #665c36; color: #ffe6a3; background: rgba(255,205,91,.08); }
.ft8-status.receiving { border-color: #36789e; color: #c9efff; background: rgba(66,184,255,.09); }
.ft8-slot-strip { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 8px; margin: 14px 0 8px; }
.ft8-slot-strip > div { padding: 9px 10px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel-2); }
.ft8-slot-strip span { display: block; color: var(--muted); font-size: .67rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.ft8-slot-strip strong { display: block; margin-top: 3px; font: 800 .84rem/1.25 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-variant-numeric: tabular-nums; }
.ft8-timing-bar { position: relative; height: 10px; overflow: hidden; border: 1px solid var(--line); border-radius: 999px; background: #070b10; }
.ft8-timing-progress { position: absolute; inset: 0 auto 0 0; width: 0; background: rgba(66,184,255,.72); }
.ft8-timing-mid { position: absolute; top: 0; bottom: 0; left: 50%; width: 1px; background: rgba(255,255,255,.35); }
.ft8-waterfall-wrap { width: 100%; margin-top: 12px; overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: #070b10; }
#ft8-waterfall { display: block; width: 100%; height: auto; image-rendering: pixelated; background: #070b10; }
.ft8-axis { display: flex; justify-content: space-between; gap: 8px; margin: 4px 2px 10px; color: var(--muted); font: 700 .68rem/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.ft8-diagnostics { margin-top: 8px; }
.ft8-diagnostics dd { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-variant-numeric: tabular-nums; text-align: right; }
@media (max-width: 560px) { .ft8-slot-strip { grid-template-columns: 1fr; } }

/* FT8.2 decoded-message table. */
.ft8-decodes-heading { display:flex; align-items:center; justify-content:space-between; gap:10px; margin:14px 0 7px; }
.ft8-decodes-heading strong { font-size:.78rem; letter-spacing:.04em; text-transform:uppercase; }
.ft8-decodes-heading .small { min-height:30px; padding:4px 10px; font-size:.72rem; }
.ft8-decodes-wrap { width:100%; overflow:auto; border:1px solid var(--line); border-radius:9px; background:var(--panel-2); }
.ft8-decodes-table { width:100%; min-width:590px; border-collapse:collapse; font:700 .72rem/1.35 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; font-variant-numeric:tabular-nums; }
.ft8-decodes-table th,.ft8-decodes-table td { padding:7px 8px; border-bottom:1px solid var(--line); text-align:right; white-space:nowrap; }
.ft8-decodes-table th { position:sticky; top:0; z-index:1; background:var(--panel); color:var(--muted); font-size:.65rem; letter-spacing:.05em; }
.ft8-decodes-table th:last-child,.ft8-decodes-table td:last-child { text-align:left; width:100%; }
.ft8-decodes-table tbody tr:last-child td { border-bottom:0; }
.ft8-decodes-table tbody tr:hover:not(.ft8-empty-row) { background:rgba(66,184,255,.07); }
.ft8-empty-row td { text-align:center !important; color:var(--muted); padding:14px 8px; }


/* FT8.3 operator-assisted QSO state machine. */
.ft8-qso-box { margin:14px 0; padding:10px; border:1px solid var(--line); border-radius:10px; background:rgba(255,255,255,.018); }
.ft8-qso-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:8px 10px; }
.ft8-qso-grid label { display:flex; flex-direction:column; gap:5px; min-width:0; }
.ft8-qso-grid label > span { color:var(--muted); font-size:.67rem; font-weight:800; letter-spacing:.06em; text-transform:uppercase; }
.ft8-qso-grid input,.ft8-qso-grid strong { min-height:34px; padding:7px 9px; border:1px solid var(--line); border-radius:8px; background:#070b10; color:var(--text); font:800 .78rem/1.2 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; }
.ft8-qso-grid strong { display:flex; align-items:center; }
.ft8-qso-status { margin-top:10px; }
.ft8-qso-status dd { max-width:70%; overflow:hidden; text-overflow:ellipsis; font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; }
.ft8-decodes-table tbody tr:not(.ft8-empty-row) { cursor:pointer; }
.ft8-decodes-table tbody tr.ft8-row-cq { background:rgba(91,220,132,.075); }
.ft8-decodes-table tbody tr.ft8-row-mycall { outline:1px solid rgba(255,196,80,.6); outline-offset:-1px; }
.ft8-decodes-table tbody tr.ft8-row-selected-dx { box-shadow:inset 3px 0 0 rgba(66,184,255,.9); }
@media (max-width:560px) { .ft8-qso-grid { grid-template-columns:1fr; } .ft8-qso-status dd { max-width:58%; } }

/* FT8.3.1 dedicated-window launcher. */
a.station-button { text-decoration: none; display: inline-flex; align-items: center; justify-content: center; }
.station-button.ft8-launch-button,
.station-button.js8-launch-button,
.station-button.rtty-launch-button,
.station-button.winlink-launch-button,
.station-button.settings-button { border-color: #36789e; color: #c9efff; background: rgba(66,184,255,.09); }
.station-button.ft8-launch-button:hover,
.station-button.js8-launch-button:hover,
.station-button.rtty-launch-button:hover,
.station-button.winlink-launch-button:hover,
.station-button.settings-button:hover { border-color: var(--accent); background: rgba(66,184,255,.16); }


/* Main display states and compact mobile workstation layout. */
.video-power-message {
  position: absolute;
  inset: 0;
  z-index: 4;
  display: grid;
  place-items: center;
  padding: 20px;
  background: #000;
  color: #eef5fb;
  font-size: clamp(1.15rem, 4vw, 1.55rem);
  font-weight: 800;
  letter-spacing: .01em;
  text-align: center;
}
.video-power-message.is-starting {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
}
.video-power-message.is-starting::before {
  content: "";
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 4px solid rgba(238, 245, 251, .24);
  border-top-color: #c9efff;
  animation: video-starting-spin .85s linear infinite;
}
@keyframes video-starting-spin {
  to { transform: rotate(360deg); }
}
.video-power-message[hidden] { display: none; }

@media (max-width: 959px) {
  .shell {
    width: min(100% - 16px, 800px);
    padding: 10px 0 32px;
  }

  .topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 5px 10px;
    margin-bottom: 9px;
  }

  .station-title {
    min-width: 0;
    flex: none;
  }

  .station-title h1 {
    font-size: clamp(1.45rem, 6.4vw, 2rem);
    line-height: 1.05;
  }

  .eyebrow {
    margin-bottom: 1px;
    font-size: .58rem;
    letter-spacing: .14em;
  }

  .topbar-controls {
    width: auto;
    max-width: none;
    flex: none;
    align-items: flex-end;
    gap: 4px;
  }

  .station-actions {
    width: auto;
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-end;
    gap: 6px;
  }

  .station-button {
    width: auto;
    min-width: 68px;
    min-height: 36px;
    padding: .42rem .68rem;
    font-size: .76rem;
  }

  .connection {
    justify-content: flex-end;
    max-width: 190px;
    font-size: .72rem;
    line-height: 1.15;
    text-align: right;
  }

  .connection .dot {
    width: 8px;
    height: 8px;
  }

  /* Removing the primary-column box lets the display remain sticky for the
     whole workspace instead of stopping when the frequency card ends. */
  .primary-column { display: contents; }

  .video-card {
    position: sticky;
    top: 0;
    z-index: 50;
    width: 100%;
    margin-inline: 0;
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(0,0,0,.58);
  }

  .video-header {
    padding: 6px 10px;
    font-size: .82rem;
    line-height: 1.2;
  }

  .frequency-card { margin-top: 10px; }
  .control-column .grid { margin-top: 10px; }
}

@media (max-width: 420px) {
  .shell { width: calc(100% - 10px); padding-top: 6px; }
  .topbar { gap: 4px 7px; margin-bottom: 6px; }
  .station-title h1 { font-size: 1.35rem; }
  .eyebrow { font-size: .52rem; }
  .station-button { min-width: 60px; min-height: 34px; padding-inline: .55rem; font-size: .72rem; }
  .connection { max-width: 150px; font-size: .66rem; }
  .video-header { padding: 5px 8px; font-size: .78rem; }
}