:root {
  color-scheme: dark;
  --bg: #0c0d09;
  --bg-2: #121309;
  --panel: #181a10;
  --panel-2: #1f2215;
  --border: #2b2f1c;
  --accent: #9bb43a;       /* Panda Patches olive green */
  --accent-2: #c3dd57;
  --text: #f1f3e6;
  --muted: #9a9d85;
  --danger: #ff5c5c;
  --good: #6fdc8c;
  --warn: #e7d44f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background:
    radial-gradient(1200px 600px at 80% -10%, #1a1d10 0%, transparent 60%),
    var(--bg);
  color: var(--text);
  display: flex;
  justify-content: center;
  padding: 1.5rem;
}

/* --- App shell --- */
.app {
  width: 100%;
  max-width: 1180px;
}
.app.guest {
  max-width: 1000px;
}
/* Keep the pre-connect (sign-in/connect) card narrow + centered. */
#connect-step {
  max-width: 460px;
  margin: 1.25rem auto;
}
/* Talent list reads better as a single column inside its half-width panel. */
#participants.guest-tiles {
  grid-template-columns: 1fr;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1.25rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}
.logo {
  height: 56px;
  width: auto;
  border-radius: 10px;
}
.logo-full {
  height: 84px;
  width: auto;
  max-width: 100%;
  border-radius: 10px;
}
.guest-topbar {
  justify-content: flex-start;
}
.guest-topbar .logo-full {
  height: 72px;
}
.brand h1 {
  margin: 0;
  font-size: 1.6rem;
  letter-spacing: 0.5px;
  font-weight: 800;
}
.brand .tagline {
  margin: 0.1rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* --- Panels & grid --- */
.panel {
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.2rem 1.3rem;
  margin-bottom: 1rem;
}
.panel h2 {
  margin: 0 0 0.9rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 820px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

/* --- Status & identity --- */
.status {
  padding: 0.7rem 1rem;
  border-radius: 10px;
  background: #00000040;
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}
.who {
  margin: 0 0 1rem;
  font-size: 0.95rem;
  color: var(--accent-2);
  font-weight: 700;
}

/* Session panel: name + client side by side, compact status inside */
.session-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 600px) {
  .session-fields {
    grid-template-columns: 1fr;
  }
}
.session-fields label {
  margin-bottom: 0;
}
.session-fields {
  margin-bottom: 1.1rem;
}
#session-panel .status {
  margin: 0;
}

/* --- Forms & inputs --- */
label {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 0.9rem;
}
input[type='text'],
input[type='email'],
input[type='password'],
select {
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.6rem 0.75rem;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: #0c0d08;
  color: var(--text);
  font-size: 0.95rem;
}
input[type='range'] {
  width: 100%;
  margin-top: 0.4rem;
  accent-color: var(--accent);
}
label.checkbox {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text);
}
label.checkbox input {
  width: auto;
  margin: 0;
}

/* --- Buttons --- */
button {
  padding: 0.6rem 1.1rem;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.15s, background 0.15s;
}
button:hover:not(:disabled) {
  filter: brightness(1.15);
}
button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #14160c;
  font-weight: 800;
}
button.active {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}
.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.controls.centered {
  justify-content: center;
}
/* Talkback push-to-talk: green while live so it reads "on air", not "muted". */
#talk-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #14160c;
  font-weight: 800;
}
.talkback-opt {
  margin-top: 0.7rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.4rem 0.8rem;
}
/* The base `label` rule adds a bottom margin; drop it here so the checkbox
   row and the key row sit on the same line. */
.talkback-opt .checkbox {
  margin: 0;
}
.ptt-key-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  color: var(--muted);
}
.ptt-key-row kbd {
  font-family: ui-monospace, monospace;
  font-size: 0.78rem;
  min-width: 1.2rem;
  text-align: center;
  padding: 0.1rem 0.4rem;
  background: #0d1108;
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text);
}
.ptt-key-row button {
  padding: 0.2rem 0.55rem;
  font-size: 0.75rem;
}
.session-controls {
  justify-content: space-between;
}
.ctrl-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
/* Sub-heading that matches the panel title (e.g. the "Status" label). */
.field-head {
  display: block;
  margin: 1.1rem 0 0.4rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--accent);
}

/* --- Share link --- */
.share {
  margin-top: 1rem;
}
.link-row {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.35rem;
}
.link-row input {
  flex: 1 1 auto;
  margin-top: 0;
}
.link-row button {
  flex: 0 0 auto;
}

/* --- Sliders row --- */
.sliders {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.sliders label {
  flex: 1 1 160px;
}

/* --- Meters (segmented dB) --- */
.meter-block {
  margin-bottom: 1.1rem;
}
.meter-label {
  display: block;
  font-size: 0.78rem;
  color: var(--muted);
  margin-bottom: 0.4rem;
}
.meter-bars {
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.meter-track {
  position: relative;
  height: 16px;
  border-radius: 4px;
  overflow: hidden;
  background:
    repeating-linear-gradient(90deg, #0000 0 3px, #00000055 3px 4px),
    linear-gradient(90deg, var(--good) 0%, var(--good) 62%, var(--warn) 62%, var(--warn) 82%, var(--danger) 82%, var(--danger) 100%);
}
.meter-cover {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: 100%;
  background: #0a0b07;
  border-left: 1px solid #00000080;
  transition: width 60ms linear;
}
.meter-scale {
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
  font-size: 0.62rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* --- Connection stats --- */
.stat-grid {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.stat {
  flex: 1 1 110px;
  background: #00000035;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.8rem;
  text-align: center;
}
.stat span {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent-2);
}
.stat small {
  color: var(--muted);
}

/* --- Session log --- */
.log {
  height: 150px;
  overflow-y: auto;
  background: #070805;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.6rem 0.8rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.76rem;
  color: var(--accent-2);
  line-height: 1.55;
}

.hint {
  margin-top: 1rem;
  font-size: 0.8rem;
  color: var(--muted);
}
.guest .controls {
  justify-content: center;
}

/* --- Guest tiles (multi-talent) --- */
.guest-tiles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}
@media (max-width: 720px) {
  .guest-tiles {
    grid-template-columns: 1fr;
  }
}
.guest-tile {
  background: #00000035;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.8rem 0.9rem;
}
.guest-tile.degraded {
  border-color: var(--warn);
  box-shadow: 0 0 0 1px var(--warn) inset;
}
.guest-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.guest-name {
  font-weight: 700;
}
.guest-state {
  font-size: 0.7rem;
  text-transform: capitalize;
  color: var(--muted);
}
.muted-badge {
  font-size: 0.62rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #fff;
  background: var(--danger);
  border-radius: 999px;
  padding: 0.12rem 0.5rem;
}
.guest-state.connected {
  color: var(--good);
}
.guest-state.failed,
.guest-state.disconnected {
  color: var(--danger);
}
.guest-foot {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.6rem;
  flex-wrap: wrap;
}
.guest-foot button {
  padding: 0.4rem 0.7rem;
  font-size: 0.85rem;
}
.guest-stats {
  margin-left: auto;
  font-size: 0.68rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.route-sel {
  margin: 0;
  font-size: 0.7rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.route-sel select {
  width: auto;
  margin: 0;
  padding: 0.25rem 0.4rem;
  font-size: 0.78rem;
}

/* --- Bandwidth optimizer --- */
.optimize-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.6rem;
  padding: 0.5rem 0.7rem;
  background: #0d1108;
  border: 1px solid var(--border);
  border-radius: 8px;
}
.optimize-row.hidden {
  display: none;
}
.optimize-msg {
  font-size: 0.82rem;
  color: var(--text, #e8e8e0);
}
.optimize-row button {
  padding: 0.35rem 0.7rem;
  font-size: 0.82rem;
}
.optimize-row .rate-sel {
  width: auto;
  margin: 0;
  padding: 0.3rem 0.5rem;
  font-size: 0.82rem;
}

/* --- Chat --- */
.chat-log {
  height: 180px;
  overflow-y: auto;
  background: #070805;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.6rem 0.8rem;
  font-size: 0.85rem;
  line-height: 1.5;
  margin-bottom: 0.6rem;
}
.chat-msg {
  margin: 0.15rem 0;
  word-break: break-word;
}
.chat-msg.mine {
  color: var(--accent-2);
}
.chat-who {
  color: var(--muted);
  font-weight: 700;
}
.chat-file {
  color: var(--accent-2);
  text-decoration: underline;
}
.chat-input {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}
.chat-input input[type='text'] {
  flex: 1 1 auto;
  margin-top: 0;
}
.chat-file-btn {
  margin: 0;
  cursor: pointer;
  font-size: 1.2rem;
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--panel-2);
}

/* --- Sign-in --- */
.account {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--accent-2);
}
.login-card {
  max-width: 420px;
  margin: 1.5rem auto;
}
.login-error {
  margin: 0.6rem 0 0;
  color: var(--danger);
  font-size: 0.85rem;
}

/* --- Loopback test modal --- */
.lb-overlay {
  position: fixed;
  inset: 0;
  background: #000000c0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 50;
}
.lb-modal {
  width: min(520px, 96vw);
  max-height: 90vh;
  overflow-y: auto;
}
.lb-status {
  color: var(--muted);
  font-size: 0.9rem;
}
.lb-meters {
  display: flex;
  gap: 1.25rem;
  margin: 0.5rem 0 1rem;
}
.lb-meters .meter-block {
  flex: 1;
}
.lb-ready {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 800;
  font-size: 1.05rem;
  margin: 0.5rem 0 1rem;
}
.lb-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--muted);
}
.lb-dot.green {
  background: var(--good);
}
.lb-dot.yellow {
  background: var(--warn);
}
.lb-dot.red {
  background: var(--danger);
}
.lb-checks {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: 0.35rem;
}
.lb-check {
  font-size: 0.88rem;
}
.lb-check.ok {
  color: var(--good);
}
.lb-check.warn {
  color: var(--warn);
}
.lb-check.bad {
  color: var(--danger);
}
.lb-actions {
  justify-content: flex-end;
}

.hidden {
  display: none !important;
}