/* ============================================================
   Pulse 打卡 — 现代深色 · 高科技感 · 常规 App 交互
   ============================================================ */

:root {
  --bg: #070b15;
  --bg-soft: #0b1122;
  --card: rgba(255, 255, 255, 0.045);
  --card-hover: rgba(255, 255, 255, 0.07);
  --card-border: rgba(255, 255, 255, 0.09);
  --text: #eaf0fb;
  --text-2: #98a5bd;
  --text-3: #5e6b85;
  --cyan: #38e1ff;
  --blue: #4f7cff;
  --violet: #9d7bff;
  --pink: #ff7bd5;
  --danger: #ff6b81;
  --ok: #3ee6a8;
  --gradient: linear-gradient(135deg, #38e1ff 0%, #4f7cff 55%, #9d7bff 100%);
  --glow: 0 6px 28px rgba(79, 124, 255, 0.35);
  --ring: 0 0 0 3px rgba(56, 225, 255, 0.18);
  --radius: 18px;
  --radius-sm: 12px;
  --font-ui: 'Chakra Petch', 'PingFang SC', 'HarmonyOS Sans SC', 'Microsoft YaHei', system-ui, sans-serif;
  --font-num: 'JetBrains Mono', 'SF Mono', monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
[hidden] { display: none !important; }

html { scrollbar-color: rgba(255,255,255,.15) transparent; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

html { -webkit-text-size-adjust: 100%; }

/* 触控设备：消除双击缩放延迟 */
.btn, .tab, .seg-btn, .mood-opt, .btn-text { touch-action: manipulation; }

/* 用户生成内容防长串文本横向溢出 */
.post-title, .post-body, .member-motto, .field input, .field textarea { overflow-wrap: anywhere; }

::selection { background: rgba(56, 225, 255, 0.3); }

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,.12); border-radius: 5px; }

/* ---------- 背景光效 ---------- */

.bg-fx { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }

.blob {
  position: absolute;
  width: 720px; height: 720px;
  /* 用径向渐变模拟柔光，避免大尺寸 blur 滤镜的高开销 */
  background: radial-gradient(circle at center, rgba(47, 107, 255, 0.20) 0%, rgba(47, 107, 255, 0.08) 38%, transparent 68%);
}
.blob-a { top: -260px; left: -160px; animation: drift-a 26s ease-in-out infinite alternate; }
.blob-b {
  bottom: -300px; right: -180px;
  background: radial-gradient(circle at center, rgba(143, 92, 255, 0.17) 0%, rgba(143, 92, 255, 0.07) 38%, transparent 68%);
  animation: drift-b 32s ease-in-out infinite alternate;
}

@keyframes drift-a { to { transform: translate(120px, 90px) scale(1.15); } }
@keyframes drift-b { to { transform: translate(-110px, -80px) scale(1.1); } }

.dotgrid {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255, 255, 255, 0.055) 1px, transparent 1px);
  background-size: 26px 26px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 30%, transparent 75%);
}

/* ---------- 布局骨架 ---------- */

#app {
  position: relative;
  z-index: 1;
  max-width: 860px;
  margin: 0 auto;
  padding: 0 20px 40px;
}

/* ---------- 顶栏 ---------- */

.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 2px 16px;
  flex-wrap: wrap;
}

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

.brand-mark {
  width: 34px; height: 34px;
  border-radius: 10px;
  background: var(--gradient);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: var(--glow);
}
.brand-mark svg { width: 18px; height: 18px; }

.brand-name {
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.5px;
  background: linear-gradient(90deg, #fff, #b8c6ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand-sub {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-2);
  margin-left: 8px;
  -webkit-text-fill-color: var(--text-2);
}

.top-stats { color: var(--text-2); font-size: 13px; margin-left: auto; }
.top-user { display: flex; align-items: center; gap: 10px; }

.user-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px 5px 6px;
  border: 1px solid var(--card-border);
  border-radius: 999px;
  background: var(--card);
  font-size: 13px;
  color: var(--text);
}
.user-chip .avatar { width: 24px; height: 24px; font-size: 12px; }

/* ---------- 导航（桌面：分段标签 / 移动：底部栏） ---------- */

#tabs {
  display: flex;
  gap: 6px;
  padding: 6px;
  margin-bottom: 26px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  background: var(--card);
  backdrop-filter: blur(12px);
}

.tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 8px;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-2);
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s;
}
.tab svg { width: 17px; height: 17px; }
.tab:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); }

.tab.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(56, 225, 255, 0.18), rgba(157, 123, 255, 0.18));
  box-shadow: inset 0 0 0 1px rgba(56, 225, 255, 0.35), 0 4px 18px rgba(79, 124, 255, 0.25);
}

/* ---------- 视图通用 ---------- */

.view { animation: view-in 0.35s cubic-bezier(0.2, 0.7, 0.3, 1) both; }

@keyframes view-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

.view-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.view-head h2 { font-size: 22px; font-weight: 700; letter-spacing: 0.3px; }
.view-sub { color: var(--text-2); font-size: 13px; margin-top: 2px; }

/* ---------- 卡片 ---------- */

.card {
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  background: var(--card);
  backdrop-filter: blur(12px);
}

/* ---------- 登录 ---------- */

.auth-wrap { max-width: 420px; margin: 6vh auto 0; }

.auth-hero { text-align: center; margin-bottom: 28px; }

.hero-logo {
  width: 64px; height: 64px;
  margin: 0 auto 18px;
  border-radius: 20px;
  background: var(--gradient);
  display: grid;
  place-items: center;
  color: #fff;
  box-shadow: 0 10px 40px rgba(79, 124, 255, 0.45);
  animation: logo-float 5s ease-in-out infinite;
}
.hero-logo svg { width: 30px; height: 30px; }

@keyframes logo-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.auth-hero h1 { font-size: 21px; font-weight: 700; }
.auth-hero p { color: var(--text-2); font-size: 14px; margin-top: 6px; }

.auth-card { padding: 26px 26px 22px; box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35); }

.seg {
  display: flex;
  gap: 4px;
  padding: 4px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.3);
  margin-bottom: 22px;
}
.seg-btn {
  flex: 1;
  padding: 9px;
  border: none;
  border-radius: 9px;
  background: transparent;
  color: var(--text-2);
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s;
}
.seg-btn.active {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 4px 16px rgba(79, 124, 255, 0.4);
}

.auth-tip { text-align: center; color: var(--text-3); font-size: 12.5px; margin-top: 16px; }

/* ---------- 表单 ---------- */

.field { display: block; margin-bottom: 16px; }

.field-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
  margin-bottom: 7px;
}
.field-label em { font-style: normal; color: var(--text-3); font-weight: 500; }
.field-label i { font-style: normal; color: var(--cyan); }

.field input, .field textarea {
  width: 100%;
  font-family: var(--font-ui);
  font-size: 14.5px;
  color: var(--text);
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  outline: none;
  caret-color: var(--cyan);
  transition: border-color 0.18s, box-shadow 0.18s;
}
.field input::placeholder, .field textarea::placeholder { color: var(--text-3); }
.field input:focus, .field textarea:focus { border-color: rgba(56, 225, 255, 0.55); box-shadow: var(--ring); }
.field textarea { resize: vertical; min-height: 88px; }

.form-error {
  color: var(--danger);
  font-size: 13px;
  margin: -4px 0 14px;
  padding: 9px 13px;
  border-radius: var(--radius-sm);
  background: rgba(255, 107, 129, 0.08);
  border: 1px solid rgba(255, 107, 129, 0.25);
}

.form-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 4px; }
.form-hint { color: var(--text-3); font-size: 12.5px; }

/* ---------- 按钮 ---------- */

.btn {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  padding: 11px 22px;
  cursor: pointer;
  transition: all 0.18s;
  letter-spacing: 0.3px;
}
.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--gradient);
  color: #fff;
  box-shadow: 0 6px 22px rgba(79, 124, 255, 0.4);
}
.btn-primary:hover { filter: brightness(1.12); box-shadow: 0 8px 30px rgba(79, 124, 255, 0.55); }
.btn-primary:disabled { opacity: 0.6; cursor: wait; }

.btn-block { width: 100%; padding: 13px; font-size: 15px; }

.btn-ghost {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--card-border);
}
.btn-ghost:hover { color: var(--danger); border-color: rgba(255, 107, 129, 0.4); background: rgba(255, 107, 129, 0.06); }

.btn-sm { padding: 7px 14px; font-size: 13px; }

#btn-logout svg { display: none; }

.btn-text {
  background: none;
  border: none;
  color: var(--text-2);
  font-family: var(--font-ui);
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  padding: 5px 10px;
  border-radius: 8px;
  transition: all 0.15s;
}
.btn-text:hover { color: var(--text); background: rgba(255, 255, 255, 0.07); }
.btn-text.danger:hover { color: var(--danger); background: rgba(255, 107, 129, 0.08); }
.btn-text.confirm { color: #fff; background: var(--danger); }

/* ---------- 头像 ---------- */

.avatar {
  flex: none;
  width: 40px; height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--av-a, #38e1ff), var(--av-b, #9d7bff));
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* ---------- 动态卡片 ---------- */

.post-list { display: flex; flex-direction: column; gap: 14px; }

.post {
  padding: 18px 20px 16px;
  transition: transform 0.2s, border-color 0.2s, background 0.2s;
  animation: post-in 0.4s cubic-bezier(0.2, 0.7, 0.3, 1) both;
}
.post:nth-child(1) { animation-delay: 0.02s; }
.post:nth-child(2) { animation-delay: 0.07s; }
.post:nth-child(3) { animation-delay: 0.12s; }
.post:nth-child(4) { animation-delay: 0.17s; }
.post:nth-child(5) { animation-delay: 0.22s; }

@keyframes post-in {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}

.post:hover { transform: translateY(-2px); border-color: rgba(56, 225, 255, 0.28); background: var(--card-hover); }

.post-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.post-who { min-width: 0; flex: 1; }
.post-name { font-weight: 700; font-size: 14.5px; }
.post-name .uname { color: var(--text-3); font-weight: 500; font-size: 12.5px; margin-left: 5px; }
.post-time { color: var(--text-3); font-size: 12px; margin-top: 1px; }

.post-head-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }

.streak-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 600;
  color: #ffc46b;
  background: rgba(255, 178, 84, 0.1);
  border: 1px solid rgba(255, 178, 84, 0.25);
  padding: 3px 10px;
  border-radius: 999px;
}

.post-title { font-size: 16px; font-weight: 700; margin-bottom: 5px; }
.post-body { color: var(--text-2); font-size: 14px; white-space: pre-wrap; margin-bottom: 10px; }

.post-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.tag-chip {
  font-size: 12px;
  color: #9fd7ff;
  background: rgba(56, 225, 255, 0.08);
  border: 1px solid rgba(56, 225, 255, 0.2);
  padding: 2px 10px;
  border-radius: 999px;
}

.mood-chip {
  font-size: 12px;
  color: #d9c4ff;
  background: rgba(157, 123, 255, 0.1);
  border: 1px solid rgba(157, 123, 255, 0.25);
  padding: 2px 10px;
  border-radius: 999px;
}

.edited-mark { color: var(--text-3); font-size: 11.5px; font-style: italic; }
.post-ops { margin-left: auto; display: flex; gap: 2px; }

/* ---------- 心情选择 ---------- */

.mood-opts { display: flex; gap: 8px; flex-wrap: wrap; }

.mood-opt {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--text-2);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 7px 15px;
  cursor: pointer;
  transition: all 0.16s;
}
.mood-opt:hover { color: var(--text); border-color: rgba(56, 225, 255, 0.35); }
.mood-opt.sel {
  color: #fff;
  border-color: rgba(56, 225, 255, 0.6);
  background: linear-gradient(135deg, rgba(56, 225, 255, 0.16), rgba(157, 123, 255, 0.16));
  box-shadow: 0 3px 14px rgba(79, 124, 255, 0.25);
}

/* ---------- 今日已打卡 ---------- */

.punch-done { text-align: center; padding: 36px 20px 30px; margin-bottom: 18px; position: relative; overflow: hidden; }

.done-check {
  width: 72px; height: 72px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--gradient);
  display: grid;
  place-items: center;
  color: #fff;
  box-shadow: 0 10px 36px rgba(62, 230, 168, 0.0), 0 8px 30px rgba(79, 124, 255, 0.45);
  position: relative;
}
.done-check svg { width: 34px; height: 34px; }
.done-check::after {
  content: '';
  position: absolute; inset: -6px;
  border-radius: 50%;
  border: 2px solid rgba(56, 225, 255, 0.5);
  animation: pulse-ring 2.2s ease-out infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.9); opacity: 1; }
  100% { transform: scale(1.35); opacity: 0; }
}

.punch-done h3 { font-size: 19px; margin-bottom: 4px; }
.punch-done p { color: var(--text-2); font-size: 13.5px; }
.punch-done .streak-big {
  font-family: var(--font-num);
  color: #ffc46b;
  font-size: 15px;
  font-weight: 600;
  margin-top: 10px;
  display: inline-block;
}

#today-post { text-align: left; }

/* ---------- 成员 ---------- */

.users-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }

.member {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: transform 0.2s, border-color 0.2s;
  animation: post-in 0.4s ease both;
}
.member:nth-child(2) { animation-delay: 0.06s; }
.member:nth-child(3) { animation-delay: 0.12s; }
.member:nth-child(4) { animation-delay: 0.18s; }
.member:hover { transform: translateY(-2px); border-color: rgba(56, 225, 255, 0.28); }
.member.self { border-color: rgba(56, 225, 255, 0.4); box-shadow: 0 0 0 1px rgba(56, 225, 255, 0.15), 0 10px 34px rgba(79, 124, 255, 0.18); }

.member-top { display: flex; align-items: center; gap: 12px; }
.member-name { font-weight: 700; font-size: 15px; }
.member-name .uname { display: block; color: var(--text-3); font-size: 12px; font-weight: 500; }
.member-rank { margin-left: auto; font-family: var(--font-num); color: var(--text-3); font-size: 13px; }

.member-motto { color: var(--text-2); font-size: 13px; min-height: 20px; }

.member-stats { display: flex; gap: 10px; }
.m-stat {
  flex: 1;
  text-align: center;
  padding: 9px 4px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.m-stat b { display: block; font-family: var(--font-num); font-size: 17px; color: var(--text); }
.m-stat span { font-size: 11.5px; color: var(--text-3); }
.m-stat.hot b { color: #ffc46b; }

.self-tag {
  font-size: 11px;
  color: var(--cyan);
  border: 1px solid rgba(56, 225, 255, 0.35);
  padding: 1px 8px;
  border-radius: 999px;
}

/* ---------- 空状态 ---------- */

.empty {
  text-align: center;
  padding: 48px 20px;
  color: var(--text-2);
  border: 1px dashed rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.02);
}
.empty .empty-icon { font-size: 34px; margin-bottom: 12px; }
.empty p { font-size: 14px; }
.empty .empty-sub { font-size: 12.5px; color: var(--text-3); margin-top: 4px; }

/* ---------- Toast ---------- */

#toast {
  position: fixed;
  top: 22px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  max-width: min(88vw, 380px);
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 12px 20px;
  font-size: 14px;
  border-radius: 999px;
  border: 1px solid rgba(62, 230, 168, 0.4);
  background: rgba(10, 18, 20, 0.92);
  color: #c9ffe9;
  backdrop-filter: blur(12px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 24px rgba(62, 230, 168, 0.12);
  animation: toast-in 0.3s cubic-bezier(0.2, 0.7, 0.3, 1);
}
#toast::before { content: '✓'; flex: none; width: 22px; height: 22px; border-radius: 50%; background: rgba(62, 230, 168, 0.18); display: grid; place-items: center; font-size: 13px; }
#toast.err { border-color: rgba(255, 107, 129, 0.4); color: #ffd4dc; box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5); }
#toast.err::before { content: '!'; background: rgba(255, 107, 129, 0.2); }

@keyframes toast-in {
  from { opacity: 0; transform: translate(-50%, -14px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* ---------- 板块筛选（动态流） ---------- */

.filter-row {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin-bottom: 16px;
  padding-bottom: 2px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.filter-row::-webkit-scrollbar { display: none; }

.filter-chip {
  flex: none;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 7px 16px;
  cursor: pointer;
  transition: all 0.16s;
  white-space: nowrap;
}
.filter-chip:hover { color: var(--text); }
.filter-chip.active {
  color: #fff;
  border-color: rgba(56, 225, 255, 0.5);
  background: linear-gradient(135deg, rgba(56, 225, 255, 0.18), rgba(157, 123, 255, 0.18));
}

/* 卡片上的板块芯片 */
.board-chip {
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  color: #c9b8ff;
  background: rgba(157, 123, 255, 0.1);
  border: 1px solid rgba(157, 123, 255, 0.28);
  padding: 2px 11px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.15s;
}
.board-chip:hover { border-color: rgba(157, 123, 255, 0.6); background: rgba(157, 123, 255, 0.18); }

/* ---------- 板块页 ---------- */

.boards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 14px; }

.board-card {
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.2s, border-color 0.2s;
  animation: post-in 0.4s ease both;
}
.board-card:nth-child(2) { animation-delay: 0.06s; }
.board-card:nth-child(3) { animation-delay: 0.12s; }
.board-card:nth-child(4) { animation-delay: 0.18s; }
.board-card:hover { transform: translateY(-2px); border-color: rgba(157, 123, 255, 0.35); }
.board-card.joined { border-color: rgba(157, 123, 255, 0.35); }

.board-top { display: flex; gap: 12px; align-items: flex-start; }

.board-tile {
  flex: none;
  width: 52px; height: 52px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  font-size: 27px;
  background: linear-gradient(135deg, rgba(157, 123, 255, 0.16), rgba(56, 225, 255, 0.1));
  border: 1px solid rgba(157, 123, 255, 0.22);
}

.board-name { font-weight: 700; font-size: 15.5px; }
.board-desc { color: var(--text-2); font-size: 12.5px; margin-top: 2px; line-height: 1.45; }

.board-members { display: flex; align-items: center; gap: 8px; color: var(--text-3); font-size: 12.5px; min-height: 26px; flex-wrap: wrap; }

.avatar-stack { display: flex; }
.avatar-stack .avatar { width: 26px; height: 26px; font-size: 11px; border: 2px solid var(--bg-soft); }
.avatar-stack .avatar + .avatar { margin-left: -8px; }

.board-foot { display: flex; align-items: center; gap: 10px; margin-top: auto; }
.board-foot .btn { margin-left: auto; }

/* 创建板块表单 */
.board-create { padding: 20px; margin-bottom: 16px; }

.emoji-presets { display: flex; gap: 8px; flex-wrap: wrap; }
.emoji-pick {
  width: 44px; height: 44px;
  font-size: 22px;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.15s;
}
.emoji-pick:hover { border-color: rgba(157, 123, 255, 0.45); }
.emoji-pick.sel {
  border-color: rgba(157, 123, 255, 0.65);
  background: rgba(157, 123, 255, 0.14);
  box-shadow: 0 3px 14px rgba(157, 123, 255, 0.2);
}

/* ---------- 打卡页板块选择器 ---------- */

.board-picker {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin-bottom: 18px;
  padding-bottom: 2px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.board-picker::-webkit-scrollbar { display: none; }

.board-pick {
  flex: none;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-ui);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--text-2);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 9px 17px;
  cursor: pointer;
  transition: all 0.16s;
  white-space: nowrap;
}
.board-pick .bp-done { color: var(--ok); font-size: 13px; }
.board-pick:hover { color: var(--text); }
.board-pick.sel {
  color: #fff;
  border-color: rgba(56, 225, 255, 0.55);
  background: linear-gradient(135deg, rgba(56, 225, 255, 0.16), rgba(157, 123, 255, 0.16));
  box-shadow: 0 4px 16px rgba(79, 124, 255, 0.25);
}

.punch-context { margin-bottom: 16px; }

/* ---------- 群组页 ---------- */

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 22px 0 14px;
}
.section-head h3 { font-size: 16px; font-weight: 700; }

.group-create, .board-create { padding: 20px; margin-bottom: 16px; }

.req-box { padding: 16px 18px; margin-bottom: 20px; border-color: rgba(255, 180, 84, 0.3); }
.req-box h4 { font-size: 14px; margin-bottom: 12px; color: #ffc46b; }
.req-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
}
.req-row:last-child { border-bottom: none; }
.req-row .req-name { font-weight: 600; font-size: 14px; }
.req-row .req-time { color: var(--text-3); font-size: 12px; }
.req-row .req-ops { margin-left: auto; display: flex; gap: 8px; }
.req-approve { color: #fff; }

/* 群组卡片（发现页） */
.group-card .board-tile { background: linear-gradient(135deg, rgba(56, 225, 255, 0.14), rgba(79, 124, 255, 0.14)); border-color: rgba(56, 225, 255, 0.25); }
.group-card:hover { border-color: rgba(56, 225, 255, 0.4); }

.req-pending-chip {
  font-size: 12px;
  color: #ffc46b;
  background: rgba(255, 178, 84, 0.1);
  border: 1px solid rgba(255, 178, 84, 0.3);
  padding: 4px 12px;
  border-radius: 999px;
  cursor: default;
}

.dim-3 { color: var(--text-3); font-size: 12px; }

/* ---------- 响应式 ---------- */

@media (max-width: 720px) {
  #app { padding: 0 14px calc(118px + env(safe-area-inset-bottom, 0px)); }

  /* 吸顶毛玻璃顶栏 */
  .topbar {
    position: sticky;
    top: 0;
    z-index: 60;
    margin: 0 -14px;
    padding: 10px 16px;
    gap: 10px;
    background: rgba(7, 11, 21, 0.82);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }
  .brand-mark { width: 30px; height: 30px; border-radius: 9px; }
  .brand-mark svg { width: 16px; height: 16px; }
  .brand-name { font-size: 18px; }
  .top-stats { display: none; }
  .user-chip { font-size: 12.5px; padding: 4px 10px 4px 5px; }

  /* 移动端退出按钮只显示图标 */
  #btn-logout { padding: 8px; border-radius: 10px; }
  #btn-logout svg { display: block; width: 16px; height: 16px; }
  #btn-logout .logout-text { display: none; }

  /* iOS：输入字号 ≥16px 防止聚焦自动缩放 */
  .field input, .field textarea { font-size: 16px; }

  /* 触控目标加大 */
  .btn { min-height: 46px; }
  .btn-sm { min-height: 40px; }
  .btn-text { padding: 8px 12px; font-size: 13px; }
  .mood-opt { padding: 9px 16px; }

  /* 底部标签栏（适配 Home 指示条） */
  #tabs {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 100;
    margin: 0;
    border-radius: 22px 22px 0 0;
    border-bottom: none;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 8px 10px calc(8px + env(safe-area-inset-bottom, 0px));
    background: rgba(10, 15, 28, 0.9);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.4);
  }
  .tab { flex-direction: column; gap: 3px; font-size: 11.5px; padding: 7px 4px; min-height: 52px; }
  .tab svg { width: 22px; height: 22px; }
  .tab.active svg { color: #7de9ff; filter: drop-shadow(0 0 8px rgba(56, 225, 255, 0.5)); }

  .view-head { margin-bottom: 16px; }
  .view-head h2 { font-size: 19px; }

  .post { padding: 15px 16px 13px; }
  .post-title { font-size: 15.5px; }
  .post-head { flex-wrap: wrap; }
  .post-head-right { flex-shrink: 0; }

  /* 登录页紧凑化 */
  .auth-wrap { margin-top: 4vh; }
  .hero-logo { width: 56px; height: 56px; border-radius: 16px; margin-bottom: 14px; }
  .hero-logo svg { width: 26px; height: 26px; }
  .auth-hero h1 { font-size: 19px; }
  .auth-hero { margin-bottom: 20px; }
  .auth-card { padding: 20px 18px 18px; }

  /* 成员两列紧凑卡片 */
  .users-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .member { padding: 14px; gap: 8px; }
  .m-stat { padding: 7px 2px; }
  .m-stat b { font-size: 14px; }
  .m-stat span { font-size: 10.5px; }

  /* 板块卡片移动端 */
  .boards-grid { grid-template-columns: 1fr; gap: 12px; }
  .board-card { padding: 16px; }
  .board-pick { padding: 9px 15px; }
  .emoji-pick { width: 42px; height: 42px; font-size: 21px; }

  .punch-done { padding: 28px 16px 24px; }
  .done-check { width: 64px; height: 64px; }

  /* Toast 避开刘海 */
  #toast {
    top: calc(12px + env(safe-area-inset-top, 0px));
    font-size: 13.5px;
    padding: 10px 18px;
  }
}

@media (max-width: 400px) {
  .users-grid { grid-template-columns: 1fr; }
  .brand-sub { display: none; }
}