:root {
  --bg: #0f0f1a;
  --surface: #1a1a2e;
  --surface2: #222244;
  --primary: #0f3460;
  --accent: #e94560;
  --text: #eee;
  --text-dim: #777;
  --green: #4ade80;
  --red: #ef4444;
  --yellow: #facc15;
  --radius: 12px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  user-select: none;
  -webkit-user-select: none;
}

#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: 20px;
}

.hidden { display: none !important; }

/* ── Lobby screen (IRC-style) ── */
#lobby-screen {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 0;
  max-width: 480px;
  margin: 0 auto;
  width: 100%;
}

.lobby-header {
  padding: 12px 0;
  border-bottom: 1px solid var(--surface2);
}

.lobby-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.lobby-title-row h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.lobby-status-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-dim);
}

.lobby-relay { opacity: 0.7; }
.lobby-room { color: var(--green); font-weight: 500; }

.lobby-identity {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
  font-size: 11px;
  opacity: 0.5;
}

/* User list */
.lobby-users-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  margin-top: 8px;
  min-height: 0;
}

.lobby-users-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.badge {
  background: var(--surface2);
  color: var(--text-dim);
  font-size: 11px;
  padding: 1px 7px;
  border-radius: 10px;
  font-weight: 600;
}

.lobby-user-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.lobby-empty {
  color: var(--text-dim);
  font-size: 13px;
  text-align: center;
  padding: 40px 20px;
  opacity: 0.6;
}

/* Single user row */
.user-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.15s;
}

.user-row:hover, .user-row:active {
  background: var(--surface);
}

.user-identicon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-info {
  flex: 1;
  min-width: 0;
}

.user-name {
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-fp {
  font-size: 10px;
  color: var(--text-dim);
  font-family: ui-monospace, monospace;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-status {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 4px;
}

.user-status-icon {
  font-size: 16px;
}

/* Speaking indicator */
.user-row.speaking {
  background: rgba(74, 222, 128, 0.08);
}

.user-row.speaking .user-name {
  color: var(--green);
}

/* In-voice indicator */
.user-row.in-voice .user-status-icon {
  color: var(--green);
}

/* Voice join FAB */
.lobby-fab-row {
  padding: 12px 0;
  display: flex;
  justify-content: center;
}

.fab {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--green);
  color: #111;
  border: none;
  padding: 12px 28px;
  border-radius: 24px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(74, 222, 128, 0.3);
  transition: transform 0.15s, box-shadow 0.15s;
}

.fab:hover {
  transform: scale(1.03);
  box-shadow: 0 6px 20px rgba(74, 222, 128, 0.4);
}

.fab:active {
  transform: scale(0.97);
}

.fab.active {
  background: var(--red);
  box-shadow: 0 4px 16px rgba(239, 68, 68, 0.3);
}

.fab-icon { font-size: 18px; }

/* Incoming call banner */
.incoming-banner {
  position: fixed;
  bottom: 20px;
  left: 20px;
  right: 20px;
  max-width: 440px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--green);
  border-radius: 16px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  z-index: 100;
  animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.incoming-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.incoming-identicon { width: 40px; height: 40px; border-radius: 50%; }
.incoming-name { font-weight: 600; font-size: 15px; }
.incoming-subtitle { font-size: 12px; color: var(--green); }

.incoming-actions {
  display: flex;
  gap: 8px;
}

.btn-accept {
  flex: 1;
  background: var(--green);
  color: #111;
  border: none;
  padding: 10px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
}

.btn-reject {
  flex: 1;
  background: var(--red);
  color: white;
  border: none;
  padding: 10px;
  border-radius: 10px;
  font-weight: 600;
  cursor: pointer;
}

/* Context menu */
.context-menu {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--surface);
  border: 1px solid var(--surface2);
  border-radius: 16px;
  padding: 20px;
  min-width: 260px;
  z-index: 200;
  box-shadow: 0 16px 48px rgba(0,0,0,0.6);
}

.context-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--surface2);
}

.ctx-identicon { width: 40px; height: 40px; border-radius: 50%; }
.ctx-name { font-weight: 600; font-size: 15px; }
.ctx-fp { font-size: 10px; color: var(--text-dim); font-family: monospace; }

.context-action {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  background: none;
  border: none;
  color: var(--text);
  padding: 10px 8px;
  border-radius: 8px;
  font-size: 14px;
  cursor: pointer;
  text-align: left;
}

.context-action:hover:not(:disabled) {
  background: var(--surface2);
}

.context-action:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.context-action.dim {
  color: var(--text-dim);
  font-size: 13px;
}

/* Legacy compat — keep old connect-screen ID working for JS that
   references it (the old connect screen is now the lobby). */
#connect-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 20px;
}

#connect-screen h1 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 1px;
}

.subtitle {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: -12px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.form {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 320px;
}

.form label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form input[type="text"] {
  background: var(--surface);
  border: 1px solid #333;
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
}

.form input[type="text"]:focus {
  border-color: var(--accent);
}

/* ── Relay button ── */
.relay-selected {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  background: var(--surface);
  border: 1px solid #333;
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.2s;
}

.relay-selected:hover { border-color: var(--accent); }

.relay-lock {
  font-size: 14px;
  flex-shrink: 0;
}

.relay-selected .arrow {
  margin-left: auto;
  font-size: 10px;
  color: var(--text-dim);
}

.dot.green { background: var(--green); }
.dot.yellow { background: var(--yellow); }
.dot.red { background: var(--red); }
.dot.gray { background: #555; }

/* ── Relay dialog ── */
#relay-dialog {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 20px;
}

.relay-dialog-card {
  max-width: 360px;
  width: 100%;
}

.relay-dialog-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 300px;
  overflow-y: auto;
}

.relay-dialog-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border-radius: 8px;
  padding: 8px 12px;
}

.relay-dialog-item .dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.relay-dialog-item { cursor: pointer; transition: background 0.1s; }
.relay-dialog-item:hover { background: var(--surface2); }
.relay-dialog-item.selected { background: var(--primary); border: 1px solid var(--accent); }

.relay-dialog-item .relay-info { flex: 1; min-width: 0; overflow: hidden; }
.relay-dialog-item .relay-name { font-size: 13px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.relay-dialog-item .relay-addr { font-size: 11px; color: var(--text-dim); font-family: monospace; overflow: hidden; text-overflow: ellipsis; }
.relay-dialog-item .relay-rtt { font-size: 11px; color: var(--text-dim); margin-right: 4px; }

.relay-meta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}

.relay-lock-icon { font-size: 16px; }
.relay-meta .relay-rtt { font-size: 10px; color: var(--text-dim); }

.relay-dialog-item .remove {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 16px;
  padding: 0 4px;
}

.relay-dialog-item .remove:hover { color: var(--red); }

.relay-add-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
  border-top: 1px solid #333;
  padding-top: 12px;
}

.relay-add-inputs {
  display: flex;
  gap: 6px;
}

.relay-add-row input {
  background: var(--surface);
  border: 1px solid #333;
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--text);
  font-size: 13px;
  outline: none;
  flex: 1;
  min-width: 0;
}

.relay-add-row input:focus { border-color: var(--accent); }

.relay-add-row .primary {
  padding: 10px;
  font-size: 14px;
}

.form-row {
  display: flex;
  gap: 16px;
  align-items: center;
}

.checkbox {
  flex-direction: row !important;
  align-items: center;
  gap: 8px !important;
  cursor: pointer;
  font-size: 13px !important;
}

.checkbox input { width: 16px; height: 16px; }

button.primary {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 8px;
  padding: 12px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
  margin-top: 4px;
}

button.primary:hover { opacity: 0.9; }
button.primary:disabled { opacity: 0.5; cursor: not-allowed; }

.error {
  color: var(--red);
  font-size: 13px;
  min-height: 18px;
}

.identity-info {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.fp-display {
  font-family: monospace;
  font-size: 11px;
  color: var(--text-dim);
}

.recent-rooms {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  max-width: 320px;
}

.recent-room {
  background: var(--surface);
  border: 1px solid #333;
  border-radius: 16px;
  padding: 4px 12px;
  font-size: 12px;
  color: var(--text-dim);
  cursor: pointer;
  transition: all 0.2s;
}

.recent-room:hover {
  border-color: var(--accent);
  color: var(--text);
}

/* ── Call screen ── */
#call-screen {
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 16px;
}

.call-header {
  text-align: center;
  padding: 8px;
}

.room-name {
  font-size: 20px;
  font-weight: 600;
}

.call-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 4px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  display: inline-block;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.status-dot.reconnecting {
  background: var(--yellow);
  animation: blink 0.5s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.1; }
}

.call-timer {
  font-size: 14px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

/* ── Audio level meter ── */
.level-meter {
  height: 4px;
  background: var(--surface);
  border-radius: 2px;
  overflow: hidden;
}

.level-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--green) 0%, var(--yellow) 60%, var(--red) 100%);
  border-radius: 2px;
  transition: width 0.1s ease-out;
}

/* ── Direct call phone-style layout ── */
.direct-call-view {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  padding: 32px 16px;
  gap: 8px;
}
.dc-identicon {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 12px;
  box-shadow: 0 0 24px rgba(74, 222, 128, 0.15);
}
.dc-identicon canvas,
.dc-identicon svg,
.dc-identicon img {
  width: 100% !important;
  height: 100% !important;
  display: block;
}
.dc-name {
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  text-align: center;
}
.dc-fp {
  font-size: 11px;
  font-family: ui-monospace, Menlo, Monaco, 'Courier New', monospace;
  color: var(--text-dim);
  text-align: center;
  word-break: break-all;
  max-width: 280px;
}
.dc-badge {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
  background: rgba(74, 222, 128, 0.12);
  color: var(--green);
}
.dc-badge.relay {
  background: rgba(96, 165, 250, 0.12);
  color: #60a5fa;
}
.dc-badge.connecting {
  background: rgba(250, 204, 21, 0.12);
  color: var(--yellow);
}

/* ── Participants (group call layout) ── */
.participants {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 12px 16px;
  flex: 1;
  overflow-y: auto;
  min-height: 80px;
}

.participants-empty {
  color: var(--text-dim);
  font-size: 13px;
  text-align: center;
  padding: 20px 0;
}

.participant {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid #ffffff08;
}

.participant:last-child { border-bottom: none; }

.participant .avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
}

.participant .avatar.me {
  background: var(--accent);
}

.participant .info { flex: 1; min-width: 0; }

.participant .name {
  font-size: 14px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.participant .fp {
  font-size: 10px;
  color: var(--text-dim);
  font-family: monospace;
  overflow: hidden;
  text-overflow: ellipsis;
}

.participant .you-badge {
  font-size: 10px;
  color: var(--accent);
  background: #e9456020;
  padding: 1px 6px;
  border-radius: 8px;
}

/* ── Relay group headers ── */
.relay-group-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
  padding: 6px 0 2px;
  border-top: 1px solid #ffffff08;
  margin-top: 4px;
}

.relay-group-header:first-child {
  border-top: none;
  margin-top: 0;
}

.relay-dot-small {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  display: inline-block;
}

.relay-dot-small.green { background: var(--green); }
.relay-dot-small.blue { background: #60a5fa; }

/* ── Codec badges ── */
.codec-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 4px;
  font-family: monospace;
  margin: 0 2px;
}

.codec-badge.tx {
  background: #22c55e30;
  color: #4ade80;
}

.codec-badge.rx {
  background: #3b82f630;
  color: #60a5fa;
}

/* ── Controls ── */
.controls {
  display: flex;
  justify-content: center;
  gap: 24px;
  padding: 12px;
}

.control-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface2);
  color: var(--text);
  border: none;
  border-radius: 50%;
  width: 56px;
  height: 56px;
  cursor: pointer;
  transition: all 0.15s;
  font-size: 13px;
  font-weight: 600;
}

.control-btn:hover { background: var(--primary); }

.control-btn.muted {
  background: var(--red);
  color: white;
}

.control-btn.hangup {
  background: var(--red);
  color: white;
  width: 64px;
  height: 64px;
  font-size: 14px;
}

.control-btn.hangup:hover { opacity: 0.85; }

/* ── Stats ── */
.stats {
  text-align: center;
  font-size: 10px;
  color: var(--text-dim);
  font-family: monospace;
  padding: 4px;
}

/* ── Icon button ── */
.icon-btn {
  background: none;
  border: 1px solid #444;
  border-radius: 8px;
  color: var(--text-dim);
  font-size: 18px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.icon-btn:hover { border-color: var(--accent); color: var(--text); }
.icon-btn.small { width: 28px; height: 28px; font-size: 14px; }

.call-header-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

/* ── Settings panel ── */
#settings-panel {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}

.settings-card {
  background: var(--bg);
  border: 1px solid #333;
  border-radius: 16px;
  padding: 24px;
  width: 100%;
  max-width: 380px;
  max-height: 90vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.settings-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.settings-header h2 {
  font-size: 18px;
  font-weight: 600;
}

.settings-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.settings-section h3 {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  border-bottom: 1px solid #333;
  padding-bottom: 4px;
}

.settings-section label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 11px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.settings-section input[type="text"] {
  background: var(--surface);
  border: 1px solid #333;
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--text);
  font-size: 14px;
  outline: none;
}

.settings-section input[type="text"]:focus {
  border-color: var(--accent);
}

.setting-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 0;
}

.setting-label {
  font-size: 12px;
  color: var(--text-dim);
}

.fp-display-large {
  font-family: monospace;
  font-size: 12px;
  color: var(--text);
  word-break: break-all;
}

.recent-rooms-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.recent-room-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 13px;
}

.recent-room-item .remove {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 16px;
}

.recent-room-item .remove:hover { color: var(--red); }

.secondary-btn {
  background: var(--surface);
  border: 1px solid #444;
  border-radius: 8px;
  padding: 8px;
  color: var(--text-dim);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;
}

.secondary-btn:hover { border-color: var(--accent); color: var(--text); }

/* ── Key warning dialog ── */
#key-warning {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  padding: 20px;
}

.key-warning-card {
  max-width: 360px;
  text-align: center;
  gap: 16px;
}

.key-warning-icon {
  font-size: 48px;
  color: var(--yellow);
  line-height: 1;
}

.key-warning-card h2 {
  font-size: 18px;
  font-weight: 600;
}

.key-warning-text {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.5;
}

.key-warning-fps {
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: var(--surface);
  border-radius: 8px;
  padding: 12px;
}

.key-fp-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
  text-align: left;
}

.key-fp-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-dim);
}

.key-fp {
  font-family: monospace;
  font-size: 11px;
  word-break: break-all;
  color: var(--text);
}

.key-warning-actions {
  display: flex;
  gap: 10px;
}

.key-warning-actions .primary {
  flex: 1;
  background: var(--yellow);
  color: #000;
  font-weight: 600;
}

.key-warning-actions .secondary-btn {
  flex: 1;
}

/* ── Quality slider ── */
.quality-control {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 4px 0;
}

.quality-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.quality-label {
  font-size: 13px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 6px;
  transition: all 0.2s;
}

.quality-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  outline: none;
  cursor: pointer;
  transition: background 0.2s;
}

.quality-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text);
  border: 2px solid var(--bg);
  box-shadow: 0 1px 4px rgba(0,0,0,0.4);
  cursor: pointer;
  transition: transform 0.1s;
}

.quality-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.quality-ticks {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  color: var(--text-dim);
  padding: 0 2px;
}

.form select {
  background: var(--surface);
  border: 1px solid #333;
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
}

.form select:focus {
  border-color: var(--accent);
}

.settings-section select {
  background: var(--surface);
  border: 1px solid #333;
  border-radius: 8px;
  padding: 8px 10px;
  color: var(--text);
  font-size: 14px;
  outline: none;
}

.settings-section select:focus {
  border-color: var(--accent);
}

/* Direct calling mode toggle */
.mode-btn {
  padding: 8px 16px;
  border: 1px solid var(--surface2);
  background: var(--surface);
  color: var(--dim);
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.15s;
}
.mode-btn.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.mode-btn:hover:not(.active) {
  background: var(--surface2);
}

/* ── Direct call history + contacts ── */

.direct-registered-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
}

.secondary-btn.small {
  padding: 4px 10px;
  font-size: 11px;
}

.history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 12px 0 4px 0;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--dim);
}

.link-btn {
  background: none;
  border: none;
  color: var(--dim);
  font-size: 11px;
  cursor: pointer;
  padding: 2px 6px;
  text-decoration: underline;
}
.link-btn:hover { color: var(--text); }

.history-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 180px;
  overflow-y: auto;
}

/* Recent contacts — horizontally wrapping chips */
#recent-contacts-list {
  flex-direction: row;
  flex-wrap: wrap;
  max-height: none;
}

.contact-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface2);
  border: 1px solid var(--surface2);
  color: var(--text);
  border-radius: 16px;
  padding: 4px 10px;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
}
.contact-chip:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}
.contact-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
}
.contact-chip .contact-label {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Full history rows */
.history-row {
  display: grid;
  grid-template-columns: 20px 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  background: var(--surface);
  border-radius: 6px;
  font-size: 12px;
}
.history-row.dir-placed   .history-dir { color: var(--accent); }
.history-row.dir-received .history-dir { color: var(--green); }
.history-row.dir-missed   .history-dir { color: var(--red); }
.history-dir {
  text-align: center;
  font-weight: 700;
}
.history-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
  overflow: hidden;
}
.history-peer {
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.history-time {
  color: var(--dim);
  font-size: 11px;
}
.history-call-btn {
  background: var(--surface2);
  border: 1px solid var(--surface2);
  color: var(--text);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
}
.history-call-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

/* Audio routing button — highlight color depends on active route */
#spk-btn.speaker-on .icon {
  color: var(--accent);
}
#spk-btn.bt-on .icon {
  color: #60a5fa; /* blue-400 for Bluetooth */
}