:root {
  --page-padding: clamp(12px, 2vw, 28px);
  --room-gap: clamp(12px, 1.8vw, 22px);
  --room-sidebar-width: clamp(300px, 26vw, 370px);
  --messages-min-height: clamp(16rem, 32svh, 22rem);
  --messages-max-height: clamp(22rem, 58svh, 48rem);
  --bg: #07111b;
  --bg-soft: rgba(10, 19, 31, 0.78);
  --panel: rgba(11, 21, 34, 0.82);
  --panel-strong: rgba(14, 27, 43, 0.94);
  --line: rgba(166, 196, 223, 0.16);
  --line-strong: rgba(166, 196, 223, 0.24);
  --text: #f3f8ff;
  --muted: #9fb4c8;
  --accent: #37d6b7;
  --accent-strong: #6ddcff;
  --accent-deep: #1577ff;
  --danger: #ff7b85;
  --warning: #ffbe5c;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.34);
  --radius-xl: 30px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --code-font: "Cascadia Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  min-width: 0;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  overflow-x: hidden;
}

body {
  position: relative;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(55, 214, 183, 0.22), transparent 28%),
    radial-gradient(circle at 92% 12%, rgba(109, 220, 255, 0.18), transparent 24%),
    linear-gradient(180deg, #08111a 0%, #07111b 44%, #0b1521 100%);
  color: var(--text);
  font-family: "Avenir Next", "Segoe UI Variable Text", "Trebuchet MS", sans-serif;
  overscroll-behavior-x: none;
}

[hidden] {
  display: none !important;
}

button,
input {
  font: inherit;
}

button,
.details-tab,
.file-card {
  -webkit-tap-highlight-color: transparent;
}

img {
  max-width: 100%;
  height: auto;
}

.brand-logo {
  display: block;
  aspect-ratio: 1;
  object-fit: contain;
  border: 1px solid rgba(166, 196, 223, 0.16);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.22);
}

.brand-logo--hero {
  width: clamp(96px, 25vw, 150px);
  margin: 0 auto 18px;
}

.brand-logo--mini {
  width: 54px;
  flex: 0 0 54px;
  border-radius: 14px;
}

.brand-logo--room {
  width: 34px;
  flex: 0 0 34px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  box-shadow: none;
}

.panel-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 58px;
  margin-bottom: 14px;
}

.connection-status {
  position: fixed;
  z-index: 20;
  top: max(12px, env(safe-area-inset-top));
  left: 50%;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  max-width: calc(100% - 24px);
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid rgba(109, 220, 255, 0.24);
  border-radius: 999px;
  background: rgba(8, 17, 26, 0.92);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.28);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 700;
  transform: translateX(-50%);
  backdrop-filter: blur(14px);
}

.connection-status__dot {
  width: 9px;
  height: 9px;
  flex: 0 0 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 rgba(55, 214, 183, 0.34);
  animation: pulse 1.2s ease-out infinite;
}

.background {
  position: fixed;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  filter: blur(26px);
  opacity: 0.85;
  pointer-events: none;
}

.background--one {
  top: -150px;
  left: -120px;
  background: radial-gradient(circle, rgba(55, 214, 183, 0.26), transparent 68%);
}

.background--two {
  right: -120px;
  bottom: -170px;
  background: radial-gradient(circle, rgba(21, 119, 255, 0.22), transparent 70%);
}

.noise {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.022) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.16;
  pointer-events: none;
}

.app-shell {
  position: relative;
  z-index: 1;
  width: min(100%, 1440px);
  margin: 0 auto;
  padding:
    max(var(--page-padding), env(safe-area-inset-top))
    max(var(--page-padding), env(safe-area-inset-right))
    max(var(--page-padding), env(safe-area-inset-bottom))
    max(var(--page-padding), env(safe-area-inset-left));
  overflow: visible;
}

.screen {
  display: none;
  width: 100%;
  overflow: visible;
}

.screen--active {
  display: block;
}

.screen--center.screen--active {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100svh - (var(--page-padding) * 2));
}

.screen--room.screen--active {
  display: block;
}

.panel {
  min-width: 0;
  overflow: visible;
  background: linear-gradient(180deg, rgba(18, 31, 48, 0.9), rgba(9, 17, 29, 0.9));
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero-panel,
.form-panel,
.waiting-panel {
  width: min(720px, 100%);
  max-width: 100%;
  padding: clamp(24px, 4vw, 44px);
}

.hero-panel {
  text-align: center;
}

.brand-title,
h2,
h3 {
  margin: 0;
  line-height: 1.03;
}

.brand-title {
  font-size: clamp(3rem, 8vw, 5.4rem);
  letter-spacing: 0;
}

h2 {
  font-size: clamp(1.9rem, 4vw, 3rem);
}

h3 {
  font-size: 1.08rem;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.tagline {
  margin: 18px 0 10px;
  font-size: clamp(1.18rem, 2.8vw, 1.7rem);
  color: var(--text);
}

.supporting-copy,
.panel-copy,
.chat-note,
.detail-copy {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 32px;
}

.chip-row {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.chip,
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 100%;
  min-height: 38px;
  padding: 9px 15px;
  border-radius: 999px;
  border: 1px solid rgba(166, 196, 223, 0.18);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-size: 0.95rem;
}

.pill--accent {
  border-color: rgba(55, 214, 183, 0.3);
  background: rgba(55, 214, 183, 0.14);
}

.pill--subtle {
  color: var(--muted);
}

.button,
.mini-button,
.details-tab {
  border: 0;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
  color: var(--text);
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease,
    opacity 0.18s ease,
    border-color 0.18s ease;
  touch-action: manipulation;
}

.button {
  min-height: 52px;
  padding: 13px 20px;
}

.button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.button--primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
  box-shadow: 0 14px 30px rgba(21, 119, 255, 0.24);
}

.button--ghost {
  border: 1px solid rgba(198, 214, 228, 0.14);
  background: rgba(255, 255, 255, 0.06);
}

.button--danger {
  background: linear-gradient(135deg, #ff7b85 0%, #ff9a68 100%);
  box-shadow: 0 14px 30px rgba(255, 123, 133, 0.22);
}

.button--xl {
  min-width: 220px;
  min-height: 60px;
  padding-inline: 28px;
  font-size: 1.05rem;
}

.button--small {
  min-height: 46px;
  padding: 11px 18px;
}

.text-button {
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
  cursor: pointer;
}

.text-button--inline {
  color: var(--accent-strong);
}

.stack-form {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.field-label {
  font-weight: 700;
  color: var(--text);
}

.input-hint {
  margin: -4px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.45;
}

.text-input {
  width: 100%;
  min-width: 0;
  min-height: 56px;
  border: 1px solid rgba(197, 214, 228, 0.14);
  border-radius: var(--radius-md);
  padding: 0 18px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  outline: none;
  transition:
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease;
}

.text-input:focus {
  border-color: rgba(55, 214, 183, 0.6);
  box-shadow: 0 0 0 4px rgba(55, 214, 183, 0.12);
  background: rgba(255, 255, 255, 0.08);
}

.text-input::placeholder {
  color: rgba(159, 180, 200, 0.88);
  font-size: 0.94em;
}

.code-input {
  font-family: var(--code-font);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1, "zero" 1;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  text-align: center;
  font-size: 1.15rem;
  line-height: 1;
}

.message-banner {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(166, 196, 223, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  overflow-wrap: anywhere;
}

.message-banner--error {
  border-color: rgba(255, 123, 133, 0.32);
  background: rgba(255, 123, 133, 0.12);
}

.spinner {
  width: 66px;
  height: 66px;
  margin: 0 auto 24px;
  border-radius: 50%;
  border: 4px solid rgba(255, 255, 255, 0.08);
  border-top-color: var(--accent);
  animation: spin 0.95s linear infinite;
}

.waiting-panel {
  text-align: center;
}

.waiting-panel .brand-logo--mini {
  margin: 0 auto 16px;
}

.room-layout {
  display: grid;
  gap: var(--room-gap);
  align-items: start;
  overflow: visible;
}

.room-topbar {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: clamp(12px, 1.6vw, 18px);
}

.topbar-group,
.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  min-width: 0;
}

.topbar-actions {
  justify-content: flex-end;
}

.room-brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 42px;
  max-width: 100%;
  padding: 5px 12px 5px 6px;
  border: 1px solid rgba(166, 196, 223, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-weight: 900;
  white-space: nowrap;
}

#topbar-user-label {
  max-width: min(100%, 18rem);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#topbar-room-code,
#waiting-room-code,
.room-code {
  font-family: var(--code-font);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1, "zero" 1;
  line-height: 1;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  overflow-wrap: normal;
  word-break: normal;
}

#topbar-room-code,
#waiting-room-code {
  display: inline-flex;
  align-items: center;
  transform: translateY(0.02em);
}

.room-message-banner {
  margin: 0;
}

.join-request-notice {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(55, 214, 183, 0.26);
  background: rgba(55, 214, 183, 0.12);
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.18);
}

.join-request-notice__body {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.join-request-notice__body strong,
.join-request-notice__body span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.join-request-notice__body span {
  color: var(--muted);
  font-size: 0.9rem;
}

.join-request-notice__actions {
  align-items: center;
}

.room-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--room-gap);
  align-items: start;
  overflow: visible;
}

.chat-panel {
  display: grid;
  grid-template-rows: auto auto auto;
  gap: 14px;
  min-width: 0;
  padding: clamp(16px, 2.2vw, 24px);
}

.chat-header,
.side-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
  min-width: 0;
}

.chat-header > div,
.side-header > div {
  min-width: 0;
}

#current-user-label,
.chat-note,
.participant-note,
.request-note {
  overflow-wrap: anywhere;
}

.messages {
  min-height: var(--messages-min-height);
  max-height: var(--messages-max-height);
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-gutter: stable;
  padding-right: 4px;
}

.messages:empty::before {
  content: "No messages yet. Say hello when everyone is in.";
  display: block;
  padding: 22px;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(166, 196, 223, 0.18);
  background: rgba(255, 255, 255, 0.03);
  color: var(--muted);
  text-align: center;
}

.message-form {
  display: grid;
  gap: 10px;
  align-self: end;
  min-width: 0;
}

.attachment-draft {
  min-width: 0;
}

.reply-draft {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  min-width: 0;
  padding: 11px 13px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(109, 220, 255, 0.2);
  background: rgba(109, 220, 255, 0.08);
}

.reply-draft__body {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.reply-draft__body strong {
  color: var(--accent-strong);
  font-size: 0.86rem;
}

.reply-draft__body span {
  color: var(--muted);
  font-size: 0.9rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.composer-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
}

.composer-button {
  min-width: clamp(74px, 10vw, 96px);
}

.composer-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  min-height: 24px;
  min-width: 0;
}

.composer-count {
  color: var(--muted);
  font-size: 0.86rem;
  white-space: nowrap;
}

.composer-count--warn {
  color: var(--warning);
}

.room-sidebar {
  display: grid;
  gap: 12px;
  min-width: 0;
  padding: clamp(12px, 1.6vw, 18px);
}

.details-tabs {
  display: none;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  flex: 0 0 auto;
}

.details-tabs--compact {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.details-tab {
  min-height: 50px;
  min-width: 0;
  padding: 10px 8px;
  border: 1px solid rgba(166, 196, 223, 0.14);
  background: rgba(255, 255, 255, 0.05);
  font-size: clamp(0.78rem, 2.3vw, 0.92rem);
  line-height: 1.15;
  overflow-wrap: anywhere;
  white-space: normal;
  text-wrap: balance;
}

.details-tab--active {
  border-color: rgba(55, 214, 183, 0.28);
  background: rgba(55, 214, 183, 0.14);
  box-shadow: 0 12px 22px rgba(0, 0, 0, 0.18);
}

.room-sidebar__scroll {
  min-width: 0;
  display: grid;
  gap: 12px;
  align-content: start;
  overflow: visible;
}

.detail-card {
  display: grid;
  gap: 14px;
  min-width: 0;
  padding: clamp(14px, 1.4vw, 18px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(166, 196, 223, 0.12);
  background: rgba(255, 255, 255, 0.05);
}

.detail-card--active {
  display: grid;
  gap: 14px;
}

.detail-divider {
  height: 1px;
  margin: 16px 0 18px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.code-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(166, 196, 223, 0.12);
}

.room-code {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  font-size: clamp(1.08rem, 4.4vw, 1.65rem);
  font-weight: 800;
}

.invite-box {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.invite-block {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: 14px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(166, 196, 223, 0.12);
  background: rgba(255, 255, 255, 0.05);
}

.invite-label {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.invite-value-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  min-width: 0;
}

.invite-link {
  display: block;
  min-width: 0;
  padding: 2px 0;
  color: var(--accent-strong);
  font-family: var(--code-font);
  font-size: clamp(0.8rem, 2.8vw, 0.94rem);
  line-height: 1.45;
  overflow: hidden;
  text-decoration: none;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.invite-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  min-width: 0;
}

.host-controls {
  display: grid;
  gap: 0;
}

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

.attachment-card,
.file-card {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  flex-wrap: wrap;
  min-width: 0;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(166, 196, 223, 0.14);
  background: rgba(255, 255, 255, 0.05);
}

.attachment-card__thumb {
  width: 60px;
  height: 60px;
  flex: 0 0 60px;
  border-radius: 14px;
  object-fit: cover;
}

.attachment-card__badge,
.file-card__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  flex: 0 0 60px;
  border-radius: 16px;
  border: 1px solid rgba(166, 196, 223, 0.14);
  background: rgba(55, 214, 183, 0.12);
  color: var(--accent-strong);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.attachment-card__body,
.file-card__body {
  min-width: 0;
  flex: 1 1 12rem;
  display: grid;
  gap: 6px;
}

.attachment-card__title,
.file-card__title {
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.attachment-meta,
.file-card__meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 0.82rem;
  overflow-wrap: anywhere;
}

.attachment-meta__item {
  white-space: nowrap;
}

.file-card {
  max-width: 100%;
  color: inherit;
  text-decoration: none;
}

.message {
  align-self: flex-start;
  width: auto;
  min-width: 0;
  max-width: min(100%, 42rem);
  padding: 14px 16px;
  border-radius: 22px;
  border: 1px solid rgba(166, 196, 223, 0.12);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.14);
  overflow-wrap: anywhere;
}

.message--self {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(55, 214, 183, 0.24), rgba(21, 119, 255, 0.24));
}

.message--system {
  align-self: center;
  width: 100%;
  max-width: 100%;
  text-align: center;
  background: rgba(55, 214, 183, 0.12);
  border-color: rgba(55, 214, 183, 0.18);
}

.message__meta {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-bottom: 8px;
  font-size: 0.84rem;
  color: var(--muted);
}

.message__meta-text {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  min-width: 0;
}

.message__meta span,
.message__meta-text span {
  min-width: 0;
  overflow-wrap: anywhere;
}

.message__reply-button {
  flex: 0 0 auto;
  border: 0;
  padding: 4px 0;
  background: transparent;
  color: var(--accent-strong);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.message-reply {
  display: grid;
  gap: 4px;
  margin: 0 0 10px;
  padding: 9px 11px;
  border-left: 3px solid var(--accent);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.06);
}

.message-reply strong {
  color: var(--accent-strong);
  font-size: 0.84rem;
}

.message-reply span {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.message__text {
  margin: 10px 0 0;
  line-height: 1.55;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.message-attachment {
  min-width: 0;
}

.message-image {
  display: block;
  width: min(100%, 30rem);
  max-width: 100%;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid rgba(166, 196, 223, 0.12);
  background: rgba(0, 0, 0, 0.16);
}

.message-image img {
  display: block;
  width: 100%;
  max-width: 100%;
  max-height: min(52svh, 24rem);
  object-fit: contain;
}

.message .file-card {
  max-width: 100%;
}

.request-list,
.participant-list {
  display: grid;
  gap: 10px;
}

.request-list:empty::before,
.participant-list:empty::before {
  display: block;
  padding: 12px 0;
  color: var(--muted);
}

.request-list:empty::before {
  content: "Waiting for join requests.";
}

.participant-list:empty::before {
  content: "No participants yet.";
}

.request-item,
.participant-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  min-width: 0;
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(166, 196, 223, 0.12);
  background: rgba(255, 255, 255, 0.04);
}

.participant-info,
.request-info {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.participant-info strong,
.request-info strong {
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.participant-note,
.request-note {
  color: var(--muted);
  font-size: 0.84rem;
}

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

.mini-button {
  min-height: 40px;
  padding: 9px 12px;
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.09);
}

.mini-button--accept {
  background: rgba(55, 214, 183, 0.18);
}

.mini-button--danger {
  background: rgba(255, 123, 133, 0.2);
}

.button:focus-visible,
.mini-button:focus-visible,
.details-tab:focus-visible,
.text-button:focus-visible,
.message__reply-button:focus-visible,
.file-card:focus-visible,
.message-image:focus-visible,
.invite-link:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 4px rgba(109, 220, 255, 0.16);
}

.site-footer {
  position: relative;
  z-index: 1;
  width: min(100%, 920px);
  margin: 0 auto;
  padding:
    0 max(var(--page-padding), env(safe-area-inset-right))
    max(26px, env(safe-area-inset-bottom))
    max(var(--page-padding), env(safe-area-inset-left));
  color: rgba(159, 180, 200, 0.92);
  text-align: center;
  font-size: 0.88rem;
  line-height: 1.55;
}

.site-footer p {
  margin: 6px 0;
}

.site-footer a {
  color: var(--accent-strong);
  text-decoration: none;
}

@media (hover: hover) and (pointer: fine) {
  .button:hover,
  .mini-button:hover,
  .details-tab:hover {
    transform: translateY(-1px);
  }

  .file-card:hover,
  .message-image:hover {
    border-color: rgba(109, 220, 255, 0.28);
  }
}

@media (min-width: 1024px) {
  .room-main {
    grid-template-columns: minmax(0, 1fr) var(--room-sidebar-width);
  }
}

@media (min-width: 1320px) {
  .details-tabs {
    display: none;
  }

  .detail-card {
    display: grid;
    gap: 14px;
  }
}

@media (max-width: 1023px) {
  :root {
    --room-gap: clamp(10px, 2vw, 16px);
    --messages-min-height: clamp(15rem, 34svh, 20rem);
    --messages-max-height: clamp(20rem, 56svh, 36rem);
  }

  .room-topbar {
    grid-template-columns: 1fr;
  }

  .topbar-actions {
    width: 100%;
    justify-content: space-between;
  }
}

@media (max-width: 719px) {
  .hero-panel,
  .form-panel,
  .waiting-panel,
  .room-topbar,
  .chat-panel,
  .room-sidebar {
    border-radius: 24px;
  }

  .hero-panel,
  .form-panel,
  .waiting-panel {
    padding: 24px 20px;
  }

  .brand-title {
    font-size: clamp(2.8rem, 13vw, 4.1rem);
  }

  .hero-actions {
    flex-direction: column;
  }

  .button--xl {
    width: 100%;
    min-width: 0;
  }

  .chat-note {
    display: none;
  }

  .code-card,
  .invite-value-row,
  .invite-actions,
  .join-request-notice,
  .request-item,
  .participant-item {
    grid-template-columns: 1fr;
  }

  .invite-value-row .button {
    width: 100%;
  }

  .host-actions {
    grid-template-columns: 1fr;
  }

  .inline-actions {
    justify-content: stretch;
  }

  .inline-actions .mini-button {
    flex: 1 1 0;
  }

  .join-request-notice__actions {
    justify-content: stretch;
  }

  .room-code {
    text-align: center;
  }

  .room-brand {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 560px) {
  :root {
    --page-padding: 10px;
    --messages-min-height: clamp(10rem, 32svh, 14rem);
    --messages-max-height: 52svh;
  }

  .app-shell {
    padding:
      max(10px, env(safe-area-inset-top))
      max(10px, env(safe-area-inset-right))
      max(10px, env(safe-area-inset-bottom))
      max(10px, env(safe-area-inset-left));
  }

  .topbar-group,
  .topbar-actions {
    width: 100%;
  }

  #topbar-user-label {
    max-width: 100%;
  }

  .brand-logo--hero {
    width: clamp(92px, 34vw, 124px);
  }

  .connection-status {
    width: calc(100% - 20px);
    justify-content: center;
  }

  .code-input {
    letter-spacing: 0.1em;
  }

  .composer-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  #message-input {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  #attachment-button,
  #send-button {
    grid-row: 2;
  }

  .composer-button {
    width: 100%;
  }

  .composer-meta {
    flex-wrap: wrap;
  }

  .reply-draft {
    grid-template-columns: 1fr;
  }

  .reply-draft .text-button {
    justify-self: start;
  }

  .message {
    max-width: 100%;
  }
}

@media (max-height: 700px) {
  :root {
    --room-gap: 10px;
    --messages-min-height: 14rem;
    --messages-max-height: 48svh;
  }

  .room-layout {
    gap: 10px;
  }

  .room-topbar {
    padding: 12px 14px;
  }

  .chat-panel,
  .room-sidebar {
    padding: 14px;
  }
}

@media (orientation: landscape) and (max-height: 560px) {
  :root {
    --messages-min-height: clamp(9rem, 30svh, 12rem);
    --messages-max-height: 42svh;
  }

  .eyebrow {
    margin-bottom: 10px;
  }

  .hero-panel,
  .form-panel,
  .waiting-panel {
    padding: 22px 20px;
  }

  .chat-note {
    display: none;
  }

  .message-image img {
    max-height: min(30svh, 16rem);
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse {
  70% {
    box-shadow: 0 0 0 10px rgba(55, 214, 183, 0);
  }

  100% {
    box-shadow: 0 0 0 0 rgba(55, 214, 183, 0);
  }
}