:root {
  --bg: hsl(230, 25%, 18%);
  --bg-raised: hsl(230, 22%, 22%);
  --bg-input: hsl(230, 22%, 25%);
  --bg-hover: hsla(230, 20%, 0%, 18%);
  --text: hsl(210, 50%, 96%);
  --text-muted: hsl(220, 12%, 68%);
  --primary: hsl(260, 100%, 80%);
  --primary-text: hsl(230, 25%, 14%);
  --border: hsla(210, 50%, 96%, 0.14);
  --mention-bg: hsla(260, 100%, 80%, 0.18);
  --code-bg: hsla(230, 25%, 8%, 0.6);
  --danger: #f17c84;
  --ok: #57d18b;
  --warn: #e7b44a;
  --font: system-ui, -apple-system, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  --mono: ui-monospace, "Cascadia Mono", Consolas, monospace;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: hsl(10, 10%, 98%);
    --bg-raised: hsl(230, 20%, 95%);
    --bg-input: hsl(230, 20%, 92%);
    --bg-hover: hsla(230, 20%, 40%, 8%);
    --text: hsl(10, 20%, 20%);
    --text-muted: hsl(220, 8%, 42%);
    --primary: hsl(260, 70%, 55%);
    --primary-text: #fff;
    --border: hsla(10, 20%, 20%, 0.14);
    --mention-bg: hsla(260, 70%, 55%, 0.14);
    --code-bg: hsla(230, 20%, 50%, 0.12);
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  margin: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 var(--font);
}

#app {
  height: 100%;
}

[hidden] {
  display: none !important;
}

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  border-radius: 6px;
  padding: 6px 12px;
}

button.primary {
  background: var(--primary);
  color: var(--primary-text);
  border-color: transparent;
  font-weight: 600;
}

button.ghost {
  background: transparent;
}

button:disabled {
  opacity: 0.5;
  cursor: default;
}

a {
  color: var(--primary);
}

.screen {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 24px 16px;
  text-align: center;
}

.screen h1 {
  font-size: 20px;
  margin: 0 0 4px;
}

.hint {
  color: var(--text-muted);
  font-size: 13px;
}

.error {
  color: var(--danger);
  font-size: 13px;
  margin: 4px 0 0;
}

/* ---- chat layout ---- */

#chat {
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
}

#topbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  min-height: 42px;
}

#topbar select {
  min-width: 0;
  font: inherit;
  color: var(--text);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 6px;
  max-width: 40%;
}

#channel-name {
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.spacer {
  flex: 1;
}

.status {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--warn);
  flex: none;
}

.status.ready {
  background: var(--ok);
}

.status.fatal,
.status.offline {
  background: var(--danger);
}

#topbar button {
  padding: 3px 10px;
  font-size: 13px;
}

#scroller {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 8px 0 12px;
  overflow-anchor: none;
}

.older {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  padding: 8px;
}

#messages {
  list-style: none;
  margin: 0;
  padding: 0;
}

.day {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 12px;
  margin: 14px 12px 6px;
}

.day::before,
.day::after {
  content: "";
  flex: 1;
  border-top: 1px solid var(--border);
}

.msg {
  position: relative;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  column-gap: 12px;
  padding: 2px 12px;
  margin-top: 12px;
}

.msg.cont {
  margin-top: 0;
}

.msg:hover {
  background: var(--bg-hover);
}

.msg.pending {
  opacity: 0.55;
}

.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--bg-input);
}

.avatar.small {
  width: 24px;
  height: 24px;
}

.msg .side {
  font-size: 11px;
  color: var(--text-muted);
  text-align: right;
  padding-top: 3px;
}

.msg.cont .side .time {
  visibility: hidden;
}

.msg.cont:hover .side .time {
  visibility: visible;
}

.msg .head {
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex-wrap: wrap;
}

.msg .name {
  font-weight: 600;
}

.tag {
  font-size: 10px;
  font-weight: 600;
  background: var(--primary);
  color: var(--primary-text);
  border-radius: 3px;
  padding: 0 4px;
  line-height: 15px;
  align-self: center;
}

.msg .time-full {
  font-size: 12px;
  color: var(--text-muted);
}

.msg .reply,
.msg .interaction {
  font-size: 13px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.msg .reply::before {
  content: "↱ ";
}

.msg .body {
  white-space: normal;
  overflow-wrap: anywhere;
}

.edited {
  font-size: 11px;
  color: var(--text-muted);
  margin-left: 4px;
}

.msg.system .body {
  color: var(--text-muted);
  font-style: italic;
}

.mention {
  background: var(--mention-bg);
  color: var(--primary);
  border-radius: 3px;
  padding: 0 2px;
  font-weight: 500;
}

.mention.role {
  color: var(--role-color, var(--primary));
}

.emoji {
  width: 22px;
  height: 22px;
  vertical-align: -5px;
  object-fit: contain;
}

.body.jumbo .emoji {
  width: 44px;
  height: 44px;
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
  background: var(--code-bg);
  border-radius: 4px;
  padding: 1px 4px;
}

pre.code-block {
  margin: 4px 0;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  overflow-x: auto;
  white-space: pre;
}

pre.code-block code {
  background: none;
  padding: 0;
}

.quote {
  display: block;
  border-left: 4px solid var(--border);
  padding-left: 8px;
}

.h1,
.h2,
.h3 {
  display: block;
  font-weight: 700;
  margin: 4px 0 2px;
}

.h1 {
  font-size: 1.4em;
}

.h2 {
  font-size: 1.2em;
}

.subtext {
  display: block;
  font-size: 12px;
  color: var(--text-muted);
}

.spoiler {
  background: var(--text-muted);
  color: transparent;
  border-radius: 3px;
  cursor: pointer;
}

.spoiler.revealed {
  background: var(--code-bg);
  color: inherit;
}

.spoiler:not(.revealed) * {
  visibility: hidden;
}

.timestamp {
  background: var(--code-bg);
  border-radius: 3px;
  padding: 0 3px;
}

/* attachments and embeds */

.attachments,
.embeds,
.stickers {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  margin-top: 4px;
}

.attachments img,
.attachments video,
.embed-media {
  max-width: min(100%, 360px);
  max-height: 300px;
  border-radius: 6px;
  display: block;
  cursor: zoom-in;
}

.attachments video {
  cursor: auto;
}

.attachments img.spoiler-media {
  filter: blur(24px);
}

.file {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  border-radius: 6px;
  padding: 8px 10px;
  max-width: 100%;
}

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

.embed {
  border-left: 4px solid var(--embed-color, var(--border));
  background: var(--bg-raised);
  border-radius: 4px;
  padding: 8px 12px 10px;
  max-width: min(100%, 440px);
  display: grid;
  gap: 4px;
  font-size: 14px;
}

.embed .provider,
.embed .footer {
  font-size: 12px;
  color: var(--text-muted);
}

.embed .author {
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
}

.embed .author img {
  width: 20px;
  height: 20px;
  border-radius: 50%;
}

.embed .title {
  font-weight: 700;
}

.embed .fields {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 6px 12px;
}

.embed .field {
  grid-column: 1 / -1;
}

.embed .field.inline {
  grid-column: auto;
}

.embed .field-name {
  font-weight: 700;
  font-size: 13px;
}

.embed-thumb {
  max-width: 80px;
  max-height: 80px;
  border-radius: 4px;
  justify-self: end;
}

.stickers img {
  width: 140px;
  height: 140px;
}

/* own-message actions and editing */

.actions {
  position: absolute;
  top: 2px;
  right: 12px;
  display: none;
  gap: 2px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px;
}

.msg:hover .actions,
.msg:focus-within .actions {
  display: flex;
}

.actions button {
  border: none;
  background: transparent;
  padding: 2px 8px;
  font-size: 13px;
}

.actions button:hover {
  background: var(--bg-hover);
}

.actions button.danger {
  color: var(--danger);
}

.edit-box textarea {
  width: 100%;
  font: inherit;
  color: var(--text);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
  resize: vertical;
  min-height: 40px;
}

.edit-box .edit-hint {
  font-size: 12px;
  color: var(--text-muted);
}

/* composer */

#jump {
  position: absolute;
  bottom: 74px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  pointer-events: none;
}

#jump button {
  pointer-events: auto;
  background: var(--primary);
  color: var(--primary-text);
  border: none;
  border-radius: 999px;
  font-size: 13px;
  padding: 4px 14px;
}

#composer {
  padding: 8px 10px 10px;
  border-top: 1px solid var(--border);
}

.composer-row {
  display: flex;
  align-items: flex-end;
  gap: 6px;
}

#input {
  flex: 1;
  font: inherit;
  color: var(--text);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  resize: none;
  max-height: 180px;
  min-height: 38px;
}

#input:focus,
.edit-box textarea:focus {
  outline: 2px solid var(--primary);
  outline-offset: -1px;
}

.attach {
  width: 38px;
  height: 38px;
  flex: none;
  display: grid;
  place-items: center;
  font-size: 20px;
  border-radius: 8px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  cursor: pointer;
}

#send-button {
  height: 38px;
}

#pending-files {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

#pending-files:not(:empty) {
  margin-bottom: 6px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 4px 2px 10px;
  max-width: 100%;
}

.chip span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chip button {
  border: none;
  background: transparent;
  padding: 0 6px;
}

/* identity picker */

.identity-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 6px;
  min-width: 0;
}

#identity-select {
  font: inherit;
  font-size: 13px;
  color: var(--text);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 2px 6px;
  max-width: 60%;
}

#proxy-hint {
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#proxy-hint.active {
  color: var(--primary);
}

/* character panel */

.panel {
  position: absolute;
  inset: 0;
  z-index: 5;
  background: var(--bg);
  display: flex;
  flex-direction: column;
}

.panel-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  min-height: 42px;
}

.panel-head h2 {
  font-size: 16px;
  margin: 0;
}

.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

.panel-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 8px 0 12px;
}

.button-like {
  display: inline-block;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  border-radius: 6px;
  padding: 6px 12px;
}

#character-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.character-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-raised);
}

.character-text {
  flex: 1;
  min-width: 0;
}

.character-name {
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.character-brackets {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-muted);
}

#character-form {
  display: grid;
  gap: 12px;
}

.character-header {
  display: flex;
  align-items: center;
  gap: 14px;
}

.character-header h3 {
  margin: 0;
  font-size: 18px;
  overflow-wrap: anywhere;
}

.avatar.large {
  width: 88px;
  height: 88px;
}

.avatar-upload {
  position: relative;
  cursor: pointer;
  flex: none;
}

.avatar-upload span {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0 8px;
}

.field {
  display: grid;
  gap: 4px;
  font-size: 14px;
}

.field input,
.pair input,
.bracket-row input {
  font: inherit;
  color: var(--text);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
  min-width: 0;
  width: 100%;
}

.pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

#bracket-rows {
  display: grid;
  gap: 6px;
}

.bracket-row {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto;
  align-items: center;
  gap: 4px;
}

.bracket-row .bracket-prefix {
  text-align: right;
}

.bracket-text {
  font-family: var(--mono);
  font-size: 12px;
  padding: 4px 6px;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
}

button.small {
  justify-self: start;
  font-size: 13px;
  padding: 3px 10px;
}

button.danger {
  color: var(--danger);
  border-color: var(--danger);
  background: transparent;
}

.check {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
}

/* lightbox */

.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: grid;
  place-items: center;
  z-index: 10;
  cursor: zoom-out;
}

.lightbox img {
  max-width: 96vw;
  max-height: 96vh;
}

@media (max-width: 380px) {
  .msg {
    grid-template-columns: 32px minmax(0, 1fr);
    column-gap: 8px;
    padding: 2px 8px;
  }

  .avatar {
    width: 32px;
    height: 32px;
  }
}