:root {
  --panel: #1a1a1a;
  --panel-deep: #0e0e0e;
  --silk: #f2f2f2;
  --dim: #a4a4a4;
  --line: #3a3a3a;
  --red: #ff3b30;
  --orange: #ff9a00;
  --yellow: #ffd600;
  --white: #f2f2f2;
  --active: #ff4500;
  --font: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  background: var(--panel-deep);
  color: var(--silk);
  font-family: var(--font);
}

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background: var(--panel);
}

button,
input,
textarea {
  color: inherit;
  font: inherit;
}

button {
  cursor: pointer;
}

button:focus-visible,
input:focus-visible,
textarea:focus-visible,
label:has(input:focus-visible) {
  outline: 2px solid var(--yellow);
  outline-offset: 3px;
}

.noscript {
  margin: 0;
  padding: 16px;
  color: var(--panel-deep);
  background: var(--red);
}

.consent-screen {
  display: grid;
  min-height: 100vh;
  padding: clamp(16px, 4vw, 56px);
  place-items: center;
  background:
    linear-gradient(90deg, var(--red) 0 25%, var(--orange) 25% 50%, var(--white) 50% 75%, var(--yellow) 75%) top / 100% 8px no-repeat,
    var(--panel);
}

.consent-panel {
  width: min(1040px, 100%);
  border: 1px solid var(--silk);
  background: var(--panel-deep);
}

.consent-head {
  display: flex;
  gap: 20px;
  align-items: center;
  padding: clamp(20px, 4vw, 40px);
  border-bottom: 1px solid var(--line);
}

.app-icon {
  display: block;
  flex: 0 0 auto;
  border: 1px solid var(--line);
}

.app-icon.compact {
  width: 44px;
  height: 44px;
}

.silk,
.panel-label {
  margin: 0 0 8px;
  color: var(--dim);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  line-height: 1.25;
}

h1,
h2,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 24ch;
  font-size: clamp(1.45rem, 4vw, 2.7rem);
  line-height: 1.08;
}

.consent-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-bottom: 1px solid var(--line);
}

.consent-grid section {
  min-width: 0;
  padding: 24px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.consent-grid section:nth-child(3n) {
  border-right: 0;
}

.consent-grid section:nth-last-child(-n + 3) {
  border-bottom: 0;
}

.consent-grid h2 {
  margin: 0 0 12px;
  color: var(--yellow);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.consent-grid p {
  margin: 0;
  color: var(--silk);
  font-size: 0.9rem;
  line-height: 1.55;
}

code {
  color: var(--orange);
}

.name-field {
  display: grid;
  gap: 8px;
  padding: 24px;
  border-bottom: 1px solid var(--line);
  color: var(--dim);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.name-field input {
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid var(--dim);
  border-radius: 0;
  background: var(--panel);
  font-size: 1rem;
  letter-spacing: normal;
}

.name-field small {
  color: var(--dim);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: normal;
  line-height: 1.45;
}

.consent-note {
  min-height: 48px;
  margin: 0;
  padding: 14px 24px;
  color: var(--yellow);
  border-bottom: 1px solid var(--line);
  font-size: 0.82rem;
  line-height: 1.5;
}

.consent-actions {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1px;
  background: var(--line);
}

.control {
  min-height: 56px;
  padding: 14px 20px;
  border: 0;
  border-radius: 0;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.control.primary {
  color: var(--panel-deep);
  background: var(--active);
}

.control.secondary {
  color: var(--silk);
  background: var(--panel);
}

.control:hover {
  filter: brightness(1.12);
}

.app-shell {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 100vh;
  background: var(--panel);
}

.app-header {
  display: flex;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
  min-width: 0;
  padding: 12px 18px;
  border-bottom: 1px solid var(--silk);
  background: var(--panel-deep);
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  min-width: 0;
}

.brand h1 {
  font-size: 1.25rem;
  letter-spacing: 0.08em;
}

.web-version {
  margin-left: 0.35em;
  color: var(--dim);
  font-size: 0.52em;
  font-weight: 500;
  letter-spacing: 0.04em;
  vertical-align: middle;
}

.brand .silk {
  margin-bottom: 3px;
  font-size: 0.62rem;
}

.connection-readout {
  display: flex;
  gap: 10px;
  align-items: center;
  min-width: 0;
  color: var(--dim);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.connection-readout strong {
  padding: 9px 11px;
  color: var(--panel-deep);
  background: var(--yellow);
}

.led {
  width: 10px;
  height: 10px;
  flex: 0 0 auto;
  background: var(--line);
}

.led.active {
  background: var(--active);
}

.led.error {
  background: var(--red);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(180px, 24vw) minmax(0, 1fr);
  min-height: 0;
}

.peers-panel,
.chat-panel {
  min-width: 0;
  min-height: 0;
  background: var(--panel-deep);
}

.peers-panel {
  border-right: 1px solid var(--silk);
}

.panel-label {
  margin: 0;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
}

.peer-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.peer-list li {
  display: flex;
  gap: 9px;
  align-items: center;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  font-size: 0.84rem;
}

.peer-list li::before {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  background: var(--active);
  content: "";
}

.peer-list .self::before {
  background: var(--white);
}

.chat-panel {
  display: grid;
  grid-template-rows: auto minmax(160px, 1fr) auto auto auto;
}

.feed {
  min-height: 0;
  padding: 12px 16px 24px;
  overflow: auto;
  overscroll-behavior: contain;
}

.empty-feed {
  color: var(--dim);
  font-size: 0.82rem;
}

.message {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.message-meta {
  color: var(--dim);
  font-size: 0.7rem;
}

.message-sender {
  color: var(--orange);
  font-weight: 700;
}

.message-body {
  grid-column: 2;
  margin: 0;
  white-space: pre-wrap;
  font-size: 0.9rem;
  line-height: 1.5;
}

.file-message {
  grid-column: 2;
  display: grid;
  gap: 8px;
  justify-items: start;
}

.file-message img {
  display: block;
  max-width: min(420px, 100%);
  max-height: 260px;
  border: 1px solid var(--line);
  object-fit: contain;
}

.file-message a {
  color: var(--yellow);
  font-size: 0.82rem;
}

.draft-files {
  display: flex;
  gap: 8px;
  padding: 0 12px;
  overflow-x: auto;
  background: var(--panel);
}

.draft-file {
  display: grid;
  grid-template-columns: 44px minmax(90px, 1fr) 40px;
  gap: 8px;
  align-items: center;
  min-width: 240px;
  padding: 8px;
  border: 1px solid var(--line);
  background: var(--panel-deep);
}

.draft-file img,
.draft-placeholder {
  width: 44px;
  height: 44px;
  object-fit: cover;
  background: var(--line);
}

.draft-placeholder {
  display: grid;
  place-items: center;
  color: var(--yellow);
  font-size: 0.65rem;
}

.draft-file-info {
  min-width: 0;
  font-size: 0.72rem;
}

.draft-file-info strong,
.draft-file-info span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.draft-file-info span {
  margin-top: 4px;
  color: var(--dim);
}

.draft-file button {
  width: 40px;
  height: 40px;
  border: 0;
  color: var(--silk);
  background: var(--panel);
}

.compose {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) 64px;
  border-top: 1px solid var(--silk);
  background: var(--panel-deep);
}

.attach-control,
.send-control {
  display: grid;
  min-width: 44px;
  min-height: 56px;
  place-items: center;
  border: 0;
  border-radius: 0;
  font-size: 1.45rem;
}

.attach-control {
  cursor: pointer;
  color: var(--silk);
  background: var(--panel);
}

.send-control {
  color: var(--panel-deep);
  background: var(--active);
}

.compose textarea {
  min-width: 0;
  min-height: 56px;
  max-height: 160px;
  padding: 12px 14px;
  resize: vertical;
  border: 0;
  border-radius: 0;
  outline-offset: -3px;
  background: var(--panel-deep);
  line-height: 1.45;
}

.status-line {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  min-height: 36px;
  padding: 7px 12px;
  border-top: 1px solid var(--line);
  color: var(--dim);
  background: var(--panel);
  font-size: 0.7rem;
}

.status-line.error {
  color: var(--red);
}

.status-line button {
  min-height: 30px;
  border: 1px solid currentColor;
  border-radius: 0;
  color: var(--silk);
  background: transparent;
  font-size: 0.66rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 760px) {
  .consent-screen {
    padding: 8px;
  }

  .consent-head {
    align-items: flex-start;
    padding: 20px;
  }

  .consent-head .app-icon {
    width: 52px;
    height: 52px;
  }

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

  .consent-grid section,
  .consent-grid section:nth-child(3n),
  .consent-grid section:nth-last-child(-n + 3) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .consent-grid section:last-child {
    border-bottom: 0;
  }

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

  .app-header {
    align-items: flex-start;
  }

  .connection-readout {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  #connection-state {
    display: none;
  }

  .workspace {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr);
  }

  .peers-panel {
    border-right: 0;
    border-bottom: 1px solid var(--silk);
  }

  .peer-list {
    display: flex;
    overflow-x: auto;
  }

  .peer-list li {
    min-width: max-content;
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }

  .chat-panel {
    min-height: calc(100vh - 150px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
  }
}