/* =========================================================================
   Pulse — 应用层样式（在 pulse.css 设计系统之上）
   ========================================================================= */

:root {
  --ok: #4fc48a;
  --warn: #e0a95f;
  --danger: #e06a6a;
  --radius: 10px;
}

/* ---- 通用 ---- */
.muted { color: var(--ink-3); }
.small { font-size: 12.5px; }
.mono { font-family: var(--mono); }
.link { color: var(--teal); }
.link:hover { text-decoration: underline; }
.inline-form { display: inline; margin: 0; }
.ta-r { text-align: right; }

button { font-family: inherit; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: var(--bg-3);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background .12s, border-color .12s, color .12s, opacity .12s;
  white-space: nowrap;
}
.btn:hover { background: #232830; border-color: #2e3540; }
.btn-primary { background: var(--teal); border-color: var(--teal); color: var(--teal-ink); }
.btn-primary:hover { background: #5fc4cf; border-color: #5fc4cf; }
.btn-danger { color: var(--danger); }
.btn-danger:hover { background: rgba(224, 106, 106, .12); border-color: rgba(224, 106, 106, .4); }
.btn-outline { background: transparent; }
.btn-sm { padding: 6px 12px; font-size: 13px; border-radius: 8px; }
.btn-block { width: 100%; padding: 11px; font-size: 15px; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--ink-3);
  cursor: pointer;
  transition: background .12s, color .12s;
  flex: none;
}
.icon-btn:hover { background: var(--bg-3); color: var(--ink); }
.icon-btn.danger:hover { color: var(--danger); }
.icon-btn svg { display: block; }

/* ---- 导航补充 ---- */
.nav-badge {
  margin-left: auto;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 10px;
  background: var(--teal);
  color: var(--teal-ink);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.sidenav-me {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px;
  border: 1px solid var(--line-soft);
  border-radius: 10px;
  background: var(--bg-2);
}
.me-link { display: flex; align-items: center; gap: 9px; min-width: 0; flex: 1; }
.me-text { display: flex; flex-direction: column; min-width: 0; line-height: 1.3; }
.me-text b { font-size: 13.5px; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.me-text span { font-family: var(--mono); font-size: 11.5px; color: var(--ink-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.sidenav-guest { margin-top: auto; }
.guest-title { color: var(--ink-2); font-weight: 600; }
.guest-sub { margin-top: 2px; }
.guest-btns { display: flex; gap: 8px; margin-top: 10px; }
.guest-btns .btn { flex: 1; }

.sidenav-post { border: none; cursor: pointer; font-family: var(--font); width: 100%; display: block; }

/* ---- 列头 ---- */
.col-head-row { display: flex; align-items: center; gap: 10px; }
.thread-back { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; }
.thread-back svg { display: block; }

/* ---- 公告 ---- */
.announce {
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(0deg, rgba(79, 184, 196, .07), rgba(79, 184, 196, .07));
  box-shadow: inset 2px 0 0 var(--teal);
  font-size: 13.5px;
  color: var(--ink-2);
}
.announce b, .announce a { color: var(--ink); }

/* ---- 发帖条（按钮版） ---- */
button.compose {
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--line);
  background: transparent;
  text-align: left;
  cursor: pointer;
  font-family: var(--font);
}
button.compose:hover { background: var(--bg-2); }
a.compose:hover { background: var(--bg-2); }

/* ---- 弹窗 ---- */
.modal { position: fixed; inset: 0; z-index: 50; display: flex; align-items: flex-start; justify-content: center; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(8, 10, 13, .72); backdrop-filter: blur(2px); }
.modal-panel {
  position: relative;
  z-index: 1;
  width: min(560px, calc(100vw - 32px));
  margin-top: 8vh;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, .55);
  animation: modal-in .16s ease-out;
}
@keyframes modal-in { from { opacity: 0; transform: translateY(-8px); } }
.modal-head { display: flex; align-items: center; padding: 12px 14px 6px 18px; }
.modal-title { font-weight: 700; font-size: 15px; }
.modal-head .icon-btn { margin-left: auto; }

.compose-row { display: flex; gap: 12px; padding: 8px 18px 0; }
.compose-textarea {
  flex: 1;
  min-height: 96px;
  resize: vertical;
  background: transparent;
  border: none;
  outline: none;
  color: var(--ink);
  font: 400 16px/1.65 var(--font);
  padding: 8px 0;
}
.compose-textarea::placeholder { color: var(--ink-3); }
.compose-preview { position: relative; margin: 8px 18px 0; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.compose-preview img { display: block; width: 100%; max-height: 260px; object-fit: cover; }
.compose-preview .preview-remove { position: absolute; top: 8px; right: 8px; background: rgba(0, 0, 0, .6); color: #fff; border-radius: 50%; }
.compose-foot { display: flex; align-items: center; gap: 12px; padding: 10px 18px 16px; border-top: 1px solid var(--line-soft); margin-top: 10px; }
.compose-count { margin-left: auto; font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
.compose-count b { color: var(--ink-2); font-weight: 400; }
.compose-count.is-over b { color: var(--danger); }
.compose-error { padding: 0 18px 14px; color: var(--danger); font-size: 13px; }

/* ---- flash / toast ---- */
.flash-stack { padding: 0 20px; }
.flash {
  margin: 12px 0;
  padding: 10px 14px;
  border-radius: 9px;
  font-size: 13.5px;
  border: 1px solid var(--line);
  background: var(--bg-2);
  color: var(--ink-2);
}
.flash-ok { border-color: rgba(79, 196, 138, .35); color: var(--ok); background: rgba(79, 196, 138, .08); }
.flash-error { border-color: rgba(224, 106, 106, .35); color: var(--danger); background: rgba(224, 106, 106, .08); }

.toast {
  position: fixed;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  z-index: 80;
  padding: 10px 18px;
  border-radius: 10px;
  background: #20262e;
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 13.5px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, .5);
  animation: toast-in .18s ease-out;
}
.toast[hidden] { display: none; }
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, 8px); } }

/* ---- 链接卡片补充 ---- */
.post-card.no-img {
  padding: 12px 14px;
  background: var(--bg-2);
}
.post-card.no-img .post-card-title {
  position: static;
  background: none;
  white-space: normal;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
}
.post-card:hover { border-color: #2e3540; }

/* ---- 互动按钮 ---- */.engage-item { background: none; border: none; padding: 0; cursor: pointer; font-family: var(--mono); }
.engage-like.is-liked { color: var(--danger); }
.engage-like.is-liked svg path { fill: rgba(224, 106, 106, .18); }
.post-actions { display: inline-flex; align-items: center; gap: 2px; margin-left: auto; }
.post-report { margin-left: auto; }
.engage .post-report, .engage .post-actions { margin-left: auto; }

/* ---- 回复 ---- */
.post-focus-wrap { border-bottom: 1px solid var(--line); }
.thread-replies-head .num { color: var(--ink-3); font-family: var(--mono); font-size: 12.5px; }
.reply-item { border-bottom: 1px solid var(--line-soft); }
.reply-item:last-child { border-bottom: none; }
.reply-form { padding: 14px 20px 24px; border-top: 1px solid var(--line); }
.reply-row { display: flex; gap: 12px; }
.reply-textarea {
  flex: 1;
  min-height: 60px;
  resize: vertical;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--ink);
  font: 400 15px/1.6 var(--font);
  outline: none;
}
.reply-textarea:focus { border-color: #33404a; }
.reply-foot { display: flex; align-items: center; justify-content: flex-end; gap: 12px; margin-top: 10px; padding-left: 48px; }
.reply-wall { margin: 16px 20px 28px; padding: 16px; text-align: center; color: var(--ink-3); font-size: 13.5px; border: 1px dashed var(--line); border-radius: 10px; }
.reply-wall a { color: var(--teal); }

/* ---- 空状态 ---- */
.feed-empty { padding: 64px 20px; text-align: center; }
.feed-empty-title { font-size: 17px; font-weight: 700; }
.feed-empty-sub { margin-top: 6px; color: var(--ink-3); font-size: 13.5px; }
.feed-sentinel { height: 1px; }

/* ---- 认证页 ---- */
.auth-body { min-height: 100vh; }
.auth-wrap { max-width: 420px; margin: 0 auto; padding: 56px 20px 40px; }
.auth-brand { display: flex; align-items: center; justify-content: center; gap: 10px; color: var(--teal); font-weight: 900; font-size: 20px; letter-spacing: .04em; }
.auth-brand span { color: var(--ink); }
.auth-card {
  margin-top: 26px;
  padding: 26px 24px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 14px;
}
.auth-title { margin: 0; font-size: 21px; font-weight: 900; }
.auth-sub { margin: 6px 0 18px; color: var(--ink-3); font-size: 13.5px; }
.auth-form { display: flex; flex-direction: column; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field-label { font-size: 13px; color: var(--ink-2); font-weight: 600; }
.field-label em { font-style: normal; font-weight: 400; color: var(--ink-3); font-size: 12px; margin-left: 6px; }
.input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--ink);
  font: 400 15px/1.5 var(--font);
  outline: none;
  transition: border-color .12s;
}
.input:focus { border-color: #33404a; }
.input::placeholder { color: var(--ink-3); }
textarea.input { resize: vertical; }
.auth-alt { margin-top: 18px; text-align: center; color: var(--ink-3); font-size: 13.5px; }
.auth-alt a { color: var(--teal); font-weight: 600; }
.auth-foot { margin-top: 22px; text-align: center; color: var(--ink-3); font-size: 12px; font-family: var(--mono); }

/* ---- 通知 ---- */
.notif-list { display: flex; flex-direction: column; }
.notif { display: flex; gap: 12px; padding: 14px 20px; border-bottom: 1px solid var(--line-soft); transition: background .12s; }
.notif:hover { background: var(--bg-2); }
.notif.is-unread { background: rgba(79, 184, 196, .05); box-shadow: inset 2px 0 0 var(--teal); }
.notif-body { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.notif-line { display: flex; align-items: center; gap: 6px; font-size: 14.5px; flex-wrap: wrap; }
.notif-text { color: var(--ink-2); }
.notif-excerpt { color: var(--ink-3); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.notif-time { color: var(--ink-3); font-family: var(--mono); font-size: 11.5px; }

/* ---- 搜索 ---- */
.search-form {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-3);
}
.search-form input {
  flex: 1;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 9px 12px;
  color: var(--ink);
  font: 400 14.5px var(--font);
  outline: none;
}
.search-section-title { padding: 14px 20px 6px; font-size: 13px; font-weight: 700; color: var(--ink-2); }
.search-section-title .muted { font-weight: 400; font-family: var(--mono); font-size: 12px; }
.user-list { display: flex; flex-direction: column; border-bottom: 1px solid var(--line); }
.user-row { display: flex; align-items: center; gap: 12px; padding: 10px 20px; transition: background .12s; }
.user-row:hover { background: var(--bg-2); }
.user-row-text { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.user-row-name { font-weight: 700; font-size: 14.5px; display: inline-flex; align-items: center; gap: 5px; }
.user-row-handle { color: var(--ink-3); font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.user-row-count { color: var(--ink-3); font-size: 12px; font-family: var(--mono); flex: none; }

/* ---- 设置 ---- */
.settings-block { padding: 20px; border-bottom: 1px solid var(--line); }
.settings-h { margin: 0 0 16px; font-size: 16px; font-weight: 800; }
.settings-form { display: flex; flex-direction: column; gap: 14px; max-width: 520px; }
.settings-avatar { display: flex; align-items: center; gap: 14px; }
.settings-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }

/* ---- 个人主页补充 ---- */
.profile-follow.is-following { background: transparent; border: 1px solid var(--line); color: var(--ink-2); }
.profile-av-mono { display: grid; place-items: center; width: 100%; height: 100%; color: var(--ink); font-size: 40px; font-weight: 700; }
.profile-banner {
  background:
    radial-gradient(120% 140% at 12% 0%, rgba(79, 184, 196, .22), transparent 55%),
    radial-gradient(100% 120% at 88% 10%, rgba(79, 100, 184, .18), transparent 60%),
    linear-gradient(180deg, #182029, #101419);
}

/* ---- 分页 ---- */
.pager { display: flex; align-items: center; justify-content: center; gap: 14px; padding: 22px 20px 40px; }
.pager-info { color: var(--ink-3); font-family: var(--mono); font-size: 12px; }

/* ---- 关于 / 错误页 ---- */
.page-body { padding: 8px 20px 40px; font-size: 14.5px; color: var(--ink-2); line-height: 1.8; }
.page-body h2 { color: var(--ink); font-size: 19px; }
.page-body h3 { color: var(--ink); font-size: 15px; margin-top: 22px; }
.page-body ul { padding-left: 20px; }
.error-page { padding: 80px 20px; text-align: center; }
.error-code { font-family: var(--mono); font-size: 52px; color: var(--teal); font-weight: 700; }
.error-msg { margin: 8px 0 22px; color: var(--ink-2); }

/* ---- 页脚 ---- */
.site-foot {
  max-width: calc(var(--nav-w) + var(--col-w));
  margin: 0 auto;
  padding: 18px 20px 34px calc(var(--nav-w) + 20px);
  color: var(--ink-3);
  font-size: 12px;
  font-family: var(--mono);
}
.site-foot a:hover { color: var(--ink-2); }
.site-foot .dot { margin: 0 6px; }

/* ---- 移动端 ---- */
@media (max-width: 760px) {
  .site-foot { padding-left: 20px; }
  .modal-panel { margin-top: 4vh; }
  .settings-row { flex-direction: column; align-items: stretch; }
  .col-head { padding: 12px 16px 10px; }
}