:root {
  color-scheme: light;
  --bg: #f5f7f8;
  --panel: #ffffff;
  --text: #172026;
  --muted: #66737c;
  --border: #d9e0e4;
  --accent: #0f766e;
  --accent-strong: #0b5f59;
  --danger: #b42318;
  --video: #101820;
  --video-soft: #1d2a33;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button,
input,
select {
  font: inherit;
}

button,
.buttonLink {
  min-height: 38px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  padding: 0 12px;
  cursor: pointer;
}

button:hover:not(:disabled),
.buttonLink:hover {
  border-color: var(--accent);
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

form button,
.topActions button:first-child {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

form button:hover,
.topActions button:first-child:hover {
  background: var(--accent-strong);
}

input,
select {
  width: 100%;
  min-height: 38px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  color: var(--text);
  padding: 7px 9px;
}

label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 13px;
}

.shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  min-height: 100vh;
}

.videoPane {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-width: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.9);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 22px;
  font-weight: 700;
}

h2 {
  font-size: 16px;
  font-weight: 700;
}

#statusLine {
  margin-top: 2px;
  color: var(--muted);
  font-size: 13px;
}

.topActions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.buttonLink {
  display: inline-grid;
  place-items: center;
  text-decoration: none;
}

.videoGrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  grid-auto-rows: minmax(190px, 1fr);
  gap: 10px;
  min-height: 0;
  padding: 10px;
  background: var(--video);
}

.tile {
  position: relative;
  overflow: hidden;
  min-height: 190px;
  border: 1px solid #2c3b45;
  border-radius: 8px;
  background: var(--video-soft);
}

.tile video,
.tile audio {
  width: 100%;
  height: 100%;
}

.tile video {
  display: block;
  object-fit: cover;
}

.tileLabel {
  position: absolute;
  left: 8px;
  bottom: 8px;
  max-width: calc(100% - 16px);
  overflow: hidden;
  border-radius: 4px;
  background: rgba(8, 13, 18, 0.78);
  color: #fff;
  padding: 4px 7px;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
}

.emptyState {
  display: grid;
  place-items: center;
  min-height: 190px;
  border: 1px dashed #465660;
  border-radius: 8px;
  color: #c7d0d5;
}

.sidePane {
  display: grid;
  align-content: start;
  gap: 10px;
  min-height: 0;
  border-left: 1px solid var(--border);
  background: #edf2f4;
  padding: 10px;
}

.panel {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  padding: 12px;
}

.panelHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.identity {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 10px;
}

.avatar,
.messageAvatar {
  display: block;
  flex: 0 0 auto;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: #dfe7eb;
  object-fit: cover;
}

.avatar {
  width: 48px;
  height: 48px;
}

.messageAvatar {
  width: 30px;
  height: 30px;
}

.photoActions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.webcamBox {
  display: grid;
  gap: 8px;
}

.webcamBox video {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 6px;
  background: var(--video);
  object-fit: cover;
}

.broadcasterPreviewBox {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--video);
}

.broadcasterPreviewBox video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.broadcastActions {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 8px;
}

.broadcastActions button:nth-child(2) {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.broadcastActions button:nth-child(2):hover:not(:disabled) {
  background: var(--accent-strong);
}

.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-bottom: 10px;
}

.tab.active {
  border-color: var(--accent);
  background: #e6f4f1;
}

.form {
  display: grid;
  gap: 10px;
}

.form.compact {
  grid-template-columns: 1fr auto;
  align-items: end;
}

.pill {
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
  padding: 3px 8px;
  font-size: 12px;
}

.muted {
  color: var(--muted);
  font-size: 12px;
}

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

.chatPanel {
  display: grid;
  grid-template-rows: auto minmax(220px, 1fr) auto;
  min-height: 380px;
}

.messages {
  display: grid;
  align-content: start;
  gap: 8px;
  min-height: 0;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fbfcfc;
  padding: 9px;
}

.message {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px;
}

.messageBody {
  min-width: 0;
}

.messageMeta {
  color: var(--muted);
  font-size: 12px;
}

.messageText {
  overflow-wrap: anywhere;
}

.chatForm {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  margin-top: 10px;
}

.inviteList {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 10px 0;
}

.stats div {
  display: grid;
  gap: 2px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
}

.stats strong {
  font-size: 20px;
}

.stats span {
  color: var(--muted);
  font-size: 12px;
}

.statusList {
  display: grid;
  gap: 6px;
}

.subsectionHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin: 12px 0 6px;
}

.subsectionHeader h3 {
  margin: 0;
  font-size: 14px;
}

.statusItem {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border-top: 1px solid var(--border);
  padding-top: 7px;
}

.statusItem.stacked {
  display: grid;
  grid-template-columns: 1fr;
  justify-content: start;
  gap: 2px;
}

.statusItem strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.statusEmpty {
  border-top: 1px solid var(--border);
  color: var(--muted);
  padding-top: 7px;
  font-size: 13px;
}

.journalList {
  display: grid;
  gap: 6px;
  max-height: 220px;
  overflow: auto;
}

.journalItem {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  border-top: 1px solid var(--border);
  padding-top: 7px;
}

.journalItem strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
}

.inviteItem {
  display: grid;
  gap: 6px;
  border-top: 1px solid var(--border);
  padding-top: 8px;
}

.inviteToken {
  overflow-wrap: anywhere;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
}

.adminBody {
  background: #eef3f1;
}

.adminShell {
  display: grid;
  gap: 12px;
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 14px;
}

.adminTopbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
  padding: 14px;
}

#adminStatusLine {
  margin-top: 2px;
  color: var(--muted);
  font-size: 13px;
}

.adminDashboard {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.adminWide {
  grid-column: 1 / -1;
}

@media (max-width: 920px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .adminDashboard {
    grid-template-columns: 1fr;
  }

  .sidePane {
    border-left: 0;
    border-top: 1px solid var(--border);
  }

  .videoGrid {
    min-height: 50vh;
  }
}

@media (max-width: 560px) {
  .topbar,
  .adminTopbar,
  .panelHeader,
  .chatForm,
  .form.compact {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .topbar,
  .adminTopbar,
  .panelHeader {
    display: grid;
  }

  .topActions {
    justify-content: stretch;
  }

  .topActions button {
    flex: 1;
  }

  .photoActions {
    grid-template-columns: 1fr;
  }

  .broadcastActions {
    grid-template-columns: 1fr;
  }
}

.messageDelete {
  margin-left: auto;
  align-self: flex-start;
  border: none;
  background: transparent;
  color: #99a6ad;
  font-size: 16px;
  line-height: 1;
  cursor: pointer;
  padding: 2px 6px;
}

.messageDelete:hover {
  color: #d64545;
}

.inviteSend {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}

.inviteSend input {
  flex: 1;
  min-width: 0;
}