:root {
  --bg: #fbfbfd;
  --surface: #ffffff;
  --surface-variant: #e9edf3;
  --text: #1b1c1e;
  --text-variant: #5a5f66;
  --border: #dfe3e9;
  --primary: #00695c;
  --on-primary: #ffffff;
  --primary-soft: #e0f2f0;
  --primary-container: #b2dfdb;
  --on-primary-container: #00201c;
  --mine: #d5e8ff;
  --theirs: #e9edf3;
  --error: #b3261e;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101215;
    --surface: #16191d;
    --surface-variant: #262b31;
    --text: #e6e7e9;
    --text-variant: #a2a8b0;
    --border: #2c3138;
    --primary: #7fd8cc;
    --on-primary: #00382f;
    --primary-soft: #12332e;
    --primary-container: #12463e;
    --on-primary-container: #c8f3ec;
    --mine: #1d3a5c;
    --theirs: #262b31;
    --error: #ffb4ab;
  }
}

* { box-sizing: border-box; }

/* [hidden] 必须压过作者样式里的 display，否则 .app{display:grid} 会让隐藏失效 */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
        "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

/* ------------------------------------------------------------------ 登录 */

.auth {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: radial-gradient(1200px 600px at 50% -10%, var(--primary-soft), var(--bg) 70%);
}

.card {
  width: min(100%, 380px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 28px 26px 22px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, .12);
}

.card h1 { margin: 0; font-size: 24px; letter-spacing: .5px; }
.card-sub { margin: 6px 0 20px; font-size: 13.5px; color: var(--text-variant); }

.tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  margin-bottom: 18px;
  background: var(--surface-variant);
  border-radius: 12px;
}

.tab {
  border: 0;
  background: transparent;
  color: var(--text-variant);
  font: inherit;
  font-weight: 600;
  padding: 8px 0;
  border-radius: 9px;
  cursor: pointer;
}
.tab.active { background: var(--surface); color: var(--text); box-shadow: 0 1px 3px rgba(0,0,0,.12); }

.field { display: block; margin-bottom: 14px; }
.field > span { display: block; font-size: 13px; color: var(--text-variant); margin-bottom: 6px; }
.field em { font-style: normal; opacity: .7; }

.field input, dialog input {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  outline: none;
}
.field input:focus, dialog input:focus { border-color: var(--primary); }

.primary {
  width: 100%;
  margin-top: 6px;
  padding: 12px;
  border: 0;
  border-radius: 12px;
  background: var(--primary);
  color: var(--on-primary);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.primary:disabled { opacity: .6; cursor: default; }

.error {
  margin: 0 0 12px;
  padding: 9px 12px;
  border-radius: 9px;
  background: color-mix(in srgb, var(--error) 14%, transparent);
  color: var(--error);
  font-size: 13px;
}
.error[hidden] { display: none; }

.card-foot { margin: 16px 0 0; font-size: 12px; color: var(--text-variant); text-align: center; word-break: break-all; }

/* ------------------------------------------------------------------ 主界面 */

.app { display: grid; grid-template-columns: 1fr; height: 100dvh; }

.sidebar { display: flex; flex-direction: column; min-height: 0; background: var(--surface); }

.appbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--border);
}

.who { display: flex; align-items: center; gap: 12px; min-width: 0; }
.who h1 {
  margin: 0;
  font-size: 18px;
  font-weight: 650;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.self { margin: 1px 0 0; font-size: 12.5px; color: var(--text-variant); }
.actions { display: flex; gap: 2px; flex: 0 0 auto; }

.text-btn {
  border: 0;
  background: transparent;
  color: var(--primary);
  font: inherit;
  font-size: 14px;
  padding: 7px 9px;
  border-radius: 999px;
  cursor: pointer;
}
.text-btn:hover { background: var(--surface-variant); }

.avatar {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary-container);
  color: var(--on-primary-container);
  font-weight: 700;
  font-size: 16px;
}
.avatar.offline { background: var(--surface-variant); color: var(--text-variant); }
.avatar.me { background: var(--primary); color: var(--on-primary); }
.avatar.room { background: var(--primary-soft); color: var(--primary); font-size: 15px; }

.sender { font-size: 12px; color: var(--text-variant); margin: 0 4px 2px; }

.banner {
  margin: 10px 16px 0;
  padding: 9px 12px;
  border-radius: 10px;
  background: var(--error);
  color: #fff;
  font-size: 13px;
}
.banner[hidden] { display: none; }

.room-slot { padding: 8px 0 4px; border-bottom: 1px solid var(--border); }
.room-slot:empty { display: none; }

.list { flex: 1; overflow-y: auto; padding: 8px 0; }

.user {
  display: flex;
  align-items: center;
  gap: 13px;
  width: 100%;
  padding: 11px 18px;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.user:hover { background: var(--surface-variant); }
.user.active { background: var(--primary-container); color: var(--on-primary-container); }

.user-text { min-width: 0; flex: 1; }
.user-name { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-sub { font-size: 12.5px; color: var(--text-variant); }

.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); flex: 0 0 auto; }

.badge {
  flex: 0 0 auto;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 10px;
  background: var(--error);
  color: #fff;
  font-size: 11.5px;
  font-weight: 700;
  line-height: 20px;
  text-align: center;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, .88);
  cursor: zoom-out;
  opacity: 0;
  transition: opacity .2s ease;
}
.lightbox[hidden] { display: none; }
.lightbox.is-open { opacity: 1; }
.lightbox img {
  max-width: 92vw;
  max-height: 92vh;
  border-radius: 10px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
  transform: scale(.86);
  opacity: 0;
  transition:
    transform .24s cubic-bezier(.2, .8, .3, 1),
    opacity .2s ease;
}
.lightbox.is-open img {
  transform: scale(1);
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .lightbox,
  .lightbox img { transition: none; }
}
.offline-tag { font-size: 12px; color: var(--text-variant); }

.empty-state { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 32px; text-align: center; }
.empty-state[hidden] { display: none; }
.empty-title { margin: 0; font-size: 15px; }
.empty-hint { margin: 0; font-size: 13px; color: var(--text-variant); max-width: 280px; }

/* ------------------------------------------------------------------ 聊天 */

.chat { display: none; flex-direction: column; min-height: 0; background: var(--bg); }
.chat.open { display: flex; }

.chatbar { background: var(--surface); padding-top: 13px; padding-bottom: 11px; }
.chat-title { flex: 1; min-width: 0; }
.chat-title h2 { margin: 0; font-size: 17px; font-weight: 650; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.status { margin: 2px 0 0; font-size: 12.5px; color: var(--text-variant); }

.icon-btn {
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 22px;
  line-height: 1;
  padding: 6px 10px;
  border-radius: 50%;
  cursor: pointer;
}
.icon-btn:hover { background: var(--surface-variant); }
.back { display: none; }

.messages { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 10px; padding: 18px 18px 8px; }
.placeholder { margin: auto; color: var(--text-variant); font-size: 14px; }

.msg { display: flex; flex-direction: column; max-width: min(78%, 520px); }
.msg.mine { align-self: flex-end; align-items: flex-end; }
.msg.theirs { align-self: flex-start; align-items: flex-start; }

.bubble { padding: 10px 14px; border-radius: 18px; white-space: pre-wrap; word-break: break-word; }
.msg.mine .bubble { background: var(--mine); border-bottom-right-radius: 5px; }
.msg.theirs .bubble { background: var(--theirs); border-bottom-left-radius: 5px; }
.msg.pending { opacity: .6; }

.meta { font-size: 11.5px; color: var(--text-variant); margin-top: 4px; padding: 0 4px; }
.meta .failed { color: var(--error); }

.composer {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  padding: 10px 18px calc(12px + env(safe-area-inset-bottom));
  background: var(--surface);
  border-top: 1px solid var(--border);
}

textarea {
  flex: 1;
  resize: none;
  max-height: 140px;
  padding: 11px 16px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  line-height: 1.45;
  outline: none;
}
textarea:focus { border-color: var(--primary); }

.send-btn {
  border: 0;
  background: var(--primary);
  color: var(--on-primary);
  font: inherit;
  font-weight: 600;
  padding: 11px 20px;
  border-radius: 22px;
  cursor: pointer;
}
.send-btn:disabled { opacity: .45; cursor: default; }

.media-btn {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--bg);
  color: var(--text-variant);
  font-size: 15px;
  cursor: pointer;
}
.media-btn:hover { border-color: var(--primary); color: var(--primary); }
.media-btn:disabled { opacity: .45; cursor: default; }
.media-btn.ghost { font-size: 12px; font-weight: 700; }
.media-btn[hidden] { display: none; }
.media-btn.on {
  background: var(--error);
  border-color: var(--error);
  color: #fff;
}

.ephemeral-tag {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-top: 4px;
  padding: 1px 7px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--error) 16%, transparent);
  color: var(--error);
  font-size: 11px;
}

.media-btn.recording {
  background: var(--error);
  border-color: var(--error);
  color: #fff;
  animation: pulse 1s infinite;
}
@keyframes pulse { 50% { opacity: .55; } }

.bubble-image {
  display: block;
  max-width: min(260px, 60vw);
  max-height: 260px;
  border-radius: 16px;
  cursor: zoom-in;
  background: var(--surface-variant);
}
.bubble-video {
  display: block;
  max-width: min(280px, 66vw);
  max-height: 260px;
  border-radius: 16px;
  background: #000;
}

.voice-bubble { display: flex; align-items: center; gap: 8px; }
.voice-bubble audio { height: 34px; max-width: 220px; }
.voice-duration { font-size: 12px; color: var(--text-variant); }

@keyframes msg-in-right {
  from { opacity: 0; transform: translate(16px, 10px) scale(.96); }
  to   { opacity: 1; transform: none; }
}
@keyframes msg-in-left {
  from { opacity: 0; transform: translate(-16px, 10px) scale(.96); }
  to   { opacity: 1; transform: none; }
}

/* 只有新消息才挂这两个类，历史消息重绘时不会重播动画 */
.msg-enter.from-right { animation: msg-in-right .26s cubic-bezier(.2, .8, .3, 1) both; }
.msg-enter.from-left { animation: msg-in-left .26s cubic-bezier(.2, .8, .3, 1) both; }

.recalled-row {
  align-self: center;
  max-width: 80%;
  padding: 2px 12px;
  font-size: 12.5px;
  color: var(--text-variant);
  text-align: center;
}

.recall-btn {
  opacity: 0;
  border: 0;
  background: transparent;
  color: var(--text-variant);
  font: inherit;
  font-size: 11.5px;
  padding: 2px 6px;
  cursor: pointer;
  transition: opacity .12s;
}
.msg.mine:hover .recall-btn { opacity: 1; }

/* ------------------------------------------------------------------ 弹窗 */

dialog {
  border: 0;
  border-radius: 20px;
  padding: 22px;
  background: var(--surface);
  color: var(--text);
  width: min(90vw, 360px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .28);
}
dialog::backdrop { background: rgba(0, 0, 0, .38); }
dialog h2 { margin: 0 0 4px; font-size: 18px; }
.dialog-hint { margin: 0 0 14px; font-size: 13px; color: var(--text-variant); }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }

/* -------------------------------------------------------------- 响应式 */

@media (min-width: 860px) {
  .app { grid-template-columns: 330px 1fr; }
  .sidebar { border-right: 1px solid var(--border); }
  .chat { display: flex; }
  .back { display: none !important; }
}

@media (max-width: 859px) {
  .chat {
    position: fixed;
    inset: 0;
    z-index: 20;
    transform: translateX(100%);
    transition: transform .22s ease;
  }
  .chat.open { transform: translateX(0); display: flex; }
  .back { display: block; }
}

/* ------------------------------------------------------------ 顶栏三视图 */

.side-nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
}

.nav-btn {
  border: 0;
  border-radius: 12px;
  padding: 8px 6px;
  font: inherit;
  font-size: 13.5px;
  color: var(--text-variant);
  background: transparent;
  cursor: pointer;
}

.nav-btn:hover { background: var(--surface-variant); }

.nav-btn.active {
  color: var(--primary);
  background: var(--primary-soft);
  font-weight: 650;
}

.main { display: flex; flex-direction: column; min-height: 0; min-width: 0; }

.page { display: none; flex-direction: column; min-height: 0; background: var(--bg); }
.page.open { display: flex; }

.muted { color: var(--text-variant); font-size: 12.5px; }
.spacer { flex: 1; }
.danger { color: var(--error); }

@media (max-width: 859px) {
  .page.open { position: fixed; inset: 0; z-index: 6; }
}

/* ---------------------------------------------------------------- 动态 */

.feed-list { flex: 1; overflow-y: auto; padding: 14px 16px 24px; display: flex; flex-direction: column; gap: 12px; }

.post {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 16px;
}

.post-head { display: flex; align-items: center; gap: 10px; }

.post-who { flex: 1; min-width: 0; }
.post-who strong { display: block; font-size: 14.5px; font-weight: 650; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.post-who time { font-size: 12px; color: var(--text-variant); }

.post-text { margin: 10px 0 0; white-space: pre-wrap; word-break: break-word; font-size: 14.5px; line-height: 1.55; }

.post-image {
  margin-top: 10px;
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: 12px;
  cursor: zoom-in;
  background: var(--surface-variant);
}

.post-foot { margin-top: 8px; display: flex; align-items: center; gap: 8px; }

.comment-toggle { padding: 4px 0; font-size: 13px; color: var(--primary); }

.comments { margin-top: 10px; padding-top: 10px; border-top: 1px dashed var(--border); display: flex; flex-direction: column; gap: 8px; }

.comment { font-size: 13.5px; line-height: 1.5; }
.comment .comment-head { display: flex; align-items: center; gap: 6px; }
.comment .comment-head strong { font-weight: 600; }
.comment .comment-head time { color: var(--text-variant); font-size: 11.5px; }
.comment .comment-head button { margin-left: auto; }
.comment p { margin: 2px 0 0; white-space: pre-wrap; word-break: break-word; }

.comment-form { display: flex; gap: 8px; margin-top: 4px; }
.comment-form input {
  flex: 1;
  min-width: 0;
  padding: 8px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-variant);
  color: var(--text);
  font: inherit;
  font-size: 13.5px;
}
.comment-form input:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
.comment-form button { padding: 6px 12px; }

.feed-composer {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.feed-composer textarea {
  width: 100%;
  resize: vertical;
  min-height: 84px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-variant);
  color: var(--text);
  font: inherit;
  font-size: 14.5px;
}

.feed-composer textarea:focus { outline: 2px solid var(--primary); outline-offset: -1px; }

.feed-composer-row { display: flex; align-items: center; gap: 8px; }

.feed-more { padding: 0 16px 20px; text-align: center; }

.feed-empty { margin: auto; text-align: center; color: var(--text-variant); font-size: 14px; }
.feed-empty strong { display: block; margin-bottom: 6px; color: var(--text); font-size: 15px; }

/* ---------------------------------------------------------------- 设置 */

.settings { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 12px; }

.settings-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
}

.settings-card h3 { margin: 0 0 4px; font-size: 15px; }

.theme-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 12px 0; }

.theme-swatch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  border: 0;
  background: transparent;
  color: var(--text-variant);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}

.theme-dot {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 3px solid transparent;
}

.theme-swatch.selected .theme-dot { border-color: var(--text); }
.theme-swatch.selected { color: var(--text); }

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 12px 4px;
  border: 0;
  border-bottom: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 14.5px;
  text-align: left;
  cursor: pointer;
}

.settings-row:last-child { border-bottom: 0; }

.settings-foot { margin: 4px 2px 0; }

/* ---------------------------------------------------------------- 搜索 */

dialog#search-dialog { width: min(94vw, 520px); padding: 0; border: 0; border-radius: 18px; background: var(--surface); color: var(--text); }
dialog#search-dialog::backdrop { background: rgba(0, 0, 0, .42); }

.search-form { padding: 16px; display: flex; flex-direction: column; gap: 8px; }

.search-head { display: flex; gap: 8px; align-items: center; }

.search-head input {
  flex: 1;
  min-width: 0;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface-variant);
  color: var(--text);
  font: inherit;
  font-size: 14px;
}

.search-results { max-height: min(56vh, 420px); overflow-y: auto; display: flex; flex-direction: column; gap: 2px; }

.search-hit {
  display: block;
  width: 100%;
  padding: 10px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.search-hit:hover { background: var(--surface-variant); }
.search-hit .hit-text { display: block; font-size: 14px; }
.search-hit .hit-meta { display: block; margin-top: 2px; font-size: 12px; color: var(--text-variant); }

@keyframes hit-flash {
  from { background: var(--primary-soft); }
  to { background: transparent; }
}

.msg.flash { animation: hit-flash 1.6s ease-out; border-radius: 12px; }

/* 动态里的「添加图片」是文字按钮，别被圆形媒体按钮的固定宽度挤成竖排 */
.feed-composer-row .media-btn {
  width: auto;
  height: 34px;
  padding: 0 14px;
  border-radius: 17px;
  white-space: nowrap;
  font-size: 13px;
}

/* 右侧改成 .main 包一层后，聊天/动态/设置都要撑满剩下的高度 */
.main > .chat,
.main > .page { flex: 1; min-height: 0; }

/* 「相册」是两个字，别再塞进 40px 的圆里挤成竖排 */
#image-btn {
  width: auto;
  min-width: 40px;
  padding: 0 11px;
  border-radius: 20px;
  font-size: 12.5px;
  white-space: nowrap;
}

/* 动态 / 设置：整宽显示，不再占着左边那一栏聊天列表 */
.page-nav { display: none; gap: 4px; align-items: center; }

@media (min-width: 860px) {
  .page-nav { display: flex; }
  .page-nav .nav-btn { padding: 6px 10px; font-size: 13px; }

  .app[data-view="feed"],
  .app[data-view="settings"] { grid-template-columns: 1fr; }

  .app[data-view="feed"] .sidebar,
  .app[data-view="settings"] .sidebar { display: none; }
}

/* 整宽之后内容别拉得太散：列表和设置居中收窄 */
@media (min-width: 860px) {
  .feed-list,
  .feed-composer,
  .feed-more {
    width: 100%;
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
  }

  .settings {
    width: 100%;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
  }
}

/* 设置页窄了以后，主题色一行放 8 个更好看 */
@media (min-width: 700px) {
  .theme-grid { grid-template-columns: repeat(8, 1fr); }
}

/* ------------------------------------------------------- 会移动的视图切换栏 */
/* 侧栏和页面顶栏共用同一个导航元素，切换时用 FLIP 位移过去，不重绘两份 */

.nav-slot { display: flex; align-items: center; }

.sidebar > .nav-slot {
  padding: 8px 14px;
  border-bottom: 1px solid var(--border);
}

.page-nav-slot { display: none; }

@media (min-width: 860px) {
  .page-nav-slot { display: flex; margin-right: 10px; }
}

.side-nav {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border-radius: 12px;
  background: var(--surface-variant);
}

.nav-btn {
  border: 0;
  border-radius: 9px;
  padding: 6px 13px;
  font: inherit;
  font-size: 13px;
  color: var(--text-variant);
  background: transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: background .16s ease, color .16s ease;
}

.nav-btn:hover { background: var(--surface); }

.nav-btn.active {
  color: var(--primary);
  background: var(--surface);
  font-weight: 650;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .10);
}

/* 切换时新页面淡入上浮一点，别硬切 */
@keyframes view-enter {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.view-enter { animation: view-enter .24s cubic-bezier(.2, .7, .3, 1); }

@media (prefers-reduced-motion: reduce) {
  .view-enter { animation: none; }
}

/* ---------------------------------------------------------------- 云盘 */

.drive-list {
  flex: 1;
  overflow-y: auto;
  padding: 14px 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

@media (min-width: 860px) {
  .drive-list { width: 100%; max-width: 900px; margin: 0 auto; }
}

.drive-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.drive-icon {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--primary-soft);
  color: var(--primary);
  display: grid;
  place-items: center;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
}

.drive-meta { flex: 1; min-width: 0; }

.drive-name {
  display: block;
  font-size: 14px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.drive-sub { display: block; margin-top: 2px; font-size: 12px; color: var(--text-variant); }

.drive-actions { display: flex; align-items: center; gap: 4px; }

.drive-actions a {
  color: var(--primary);
  text-decoration: none;
  font-size: 13px;
  padding: 4px 8px;
  border-radius: 8px;
}

.drive-actions a:hover { background: var(--primary-soft); }

.drive-empty {
  margin: auto;
  text-align: center;
  color: var(--text-variant);
  font-size: 14px;
}

/* 云盘和动态/设置一样：整宽，不再显示左边聊天列表 */
@media (min-width: 860px) {
  .app[data-view="drive"] { grid-template-columns: 1fr; }
  .app[data-view="drive"] .sidebar { display: none; }
}

/* ------------------------------------------------------- 动态：日常 / 长文本 */

.feed-tabs {
  display: inline-flex;
  gap: 2px;
  margin: 10px 16px 0;
  padding: 3px;
  border-radius: 12px;
  background: var(--surface-variant);
  align-self: flex-start;
}

.feed-tab {
  border: 0;
  border-radius: 9px;
  padding: 6px 16px;
  font: inherit;
  font-size: 13px;
  color: var(--text-variant);
  background: transparent;
  cursor: pointer;
  transition: background .16s ease, color .16s ease;
}

.feed-tab:hover { background: var(--surface); }

.feed-tab.active {
  color: var(--primary);
  background: var(--surface);
  font-weight: 650;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .10);
}

.long-composer {
  margin: 10px 16px 0;
  padding: 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  max-width: 860px;
  width: calc(100% - 32px);
  align-self: center;
}

.long-composer textarea {
  width: 100%;
  min-height: 220px;
  max-height: 48vh;
  resize: vertical;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--background);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  line-height: 1.7;
}

.editor-toolbar {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.editor-toolbar button {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-variant);
  color: var(--text);
  font: inherit;
  font-size: 13px;
  min-width: 34px;
  height: 30px;
  padding: 0 8px;
  cursor: pointer;
}

.editor-toolbar button:hover { background: var(--primary-soft); color: var(--primary); }

.long-preview {
  margin-top: 10px;
  padding: 14px 16px;
  border-radius: 10px;
  background: var(--background);
  max-height: 48vh;
  overflow-y: auto;
}

/* 长文本的 Markdown 显示 */
.markdown-body { font-size: 14.5px; line-height: 1.75; }
.markdown-body > :first-child { margin-top: 0; }
.markdown-body > :last-child { margin-bottom: 0; }
.markdown-body h1,
.markdown-body h2,
.markdown-body h3 { margin: 1.1em 0 .45em; line-height: 1.35; }
.markdown-body h1 { font-size: 22px; }
.markdown-body h2 { font-size: 19px; }
.markdown-body h3 { font-size: 16.5px; }
.markdown-body p { margin: .5em 0; }
.markdown-body ul,
.markdown-body ol { margin: .5em 0; padding-left: 1.4em; }
.markdown-body li { margin: .22em 0; }
.markdown-body blockquote {
  margin: .6em 0;
  padding: 2px 14px;
  border-left: 3px solid var(--primary);
  color: var(--text-variant);
}
.markdown-body pre {
  margin: .7em 0;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(0, 0, 0, .28);
  overflow-x: auto;
}
.markdown-body code {
  padding: 1px 5px;
  border-radius: 5px;
  background: rgba(0, 0, 0, .22);
  font-size: 13px;
}
.markdown-body pre code { padding: 0; background: transparent; }
.markdown-body a { color: var(--primary); }
.markdown-body hr { border: 0; border-top: 1px solid var(--border); margin: 1em 0; }

@media (max-width: 859px) {
  .feed-tabs { margin: 8px 12px 0; }
  .long-composer { margin: 8px 12px 0; width: calc(100% - 24px); }
}

/* 宽屏下内容居中，但滚动条要留在窗口右边——别让它停在页面中间 */
.feed-list {
  max-width: none;
  width: 100%;
  margin: 0;
  padding-top: 14px;
  padding-bottom: 24px;
  padding-left: max(16px, calc((100% - 900px) / 2));
  padding-right: max(16px, calc((100% - 900px) / 2));
}

.feed-tabs { margin-left: max(16px, calc((100% - 900px) / 2)); }

.feed-composer,
.feed-more { max-width: 900px; }

.drive-list {
  max-width: none;
  width: 100%;
  margin: 0;
  padding-left: max(16px, calc((100% - 900px) / 2));
  padding-right: max(16px, calc((100% - 900px) / 2));
}


/* 云盘：音频播放条 */
.drive-player {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.drive-player-note { font-size: 12px; color: var(--text-variant); white-space: nowrap; }
.drive-player-name {
  font-size: 13px;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.drive-player audio { flex: 1; min-width: 220px; height: 34px; }
.drive-player .icon-btn { flex: 0 0 auto; }


/* 设置：更新日志 */
#changelog-dialog { width: min(92vw, 560px); max-height: 82vh; }
.changelog-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.changelog-list {
  max-height: 64vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.changelog-entry h3 { margin: 0 0 6px; font-size: 14px; }
.changelog-entry ul { margin: 0; padding-left: 18px; }
.changelog-entry li { margin: 3px 0; font-size: 13px; line-height: 1.6; color: var(--text-variant); }


/* 云盘音乐播放条：固定在底部，切到别的页面也继续放 */
.drive-player {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  border-top: 1px solid var(--border);
  box-shadow: 0 -8px 24px rgba(0, 0, 0, .18);
}

.drive-player[hidden] { display: none; }


/* 云盘：面包屑 + 文件夹 */
.drive-path {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 2px;
  padding: 8px 18px 0;
  font-size: 13px;
}

.drive-crumb {
  border: 0;
  background: transparent;
  color: var(--primary);
  font: inherit;
  font-size: 13px;
  padding: 2px 4px;
  border-radius: 6px;
  cursor: pointer;
}

.drive-crumb:hover { background: var(--primary-soft); }
.drive-crumb-sep { color: var(--text-variant); font-size: 12px; }

.drive-folder-icon {
  flex: 0 0 auto;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--primary-soft);
  display: grid;
  place-items: center;
  font-size: 18px;
}