/* assets/css/app.css — 陌约 WAP 样式 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary:   #FF6B35;
  --primary-d: #E55520;
  --primary-l: #FFF0EA;
  --dark:      #1A1A2E;
  --text:      #333;
  --text-sub:  #888;
  --border:    #EBEBEB;
  --bg:        #F7F8FA;
  --white:     #FFFFFF;
  --success:   #22C55E;
  --warn:      #F59E0B;
  --danger:    #EF4444;
  --radius:    12px;
  --tabbar-h:  56px;
}

html { font-size: 15px; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB',
               'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding-bottom: var(--tabbar-h);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea {
  font-family: inherit; font-size: inherit; outline: none; border: none;
  -webkit-appearance: none;
}

/* ─── Utilities ─── */
.flex  { display: flex; }
.fc    { flex-direction: column; }
.ac    { align-items: center; }
.jb   { justify-content: space-between; }
.gap4  { gap: 4px; }
.gap8  { gap: 8px; }
.gap12 { gap: 12px; }
.mt8   { margin-top: 8px; }
.mt12  { margin-top: 12px; }
.mt16  { margin-top: 16px; }
.mb8   { margin-bottom: 8px; }
.px16  { padding: 0 16px; }
.text-sub { color: var(--text-sub); font-size: .82rem; }
.text-primary { color: var(--primary); }
.bold  { font-weight: 600; }
.ellipsis { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ─── Header ─── */
.header {
  position: sticky; top: 0; z-index: 100;
  background: var(--white);
  height: 48px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
}
.header-title { font-size: 1rem; font-weight: 700; }
.header-back { font-size: 1.2rem; padding: 8px; margin-left: -8px; }
.header-action { font-size: .85rem; color: var(--primary); font-weight: 600; }

/* ─── Search Bar ─── */
.search-bar {
  background: var(--white);
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
}
.search-input {
  width: 100%; height: 36px; background: var(--bg);
  border-radius: 18px; padding: 0 16px;
  font-size: .9rem; color: var(--text);
}

/* ─── Hero / Banner ─── */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, #FF9A5C 100%);
  padding: 20px 16px 24px;
  color: var(--white);
}
.hero-title { font-size: 1.5rem; font-weight: 800; letter-spacing: 1px; }
.hero-sub   { font-size: .85rem; opacity: .9; margin-top: 4px; }
.hero-stats { display: flex; gap: 24px; margin-top: 16px; }
.hero-stat-val { font-size: 1.3rem; font-weight: 700; }
.hero-stat-lbl { font-size: .75rem; opacity: .85; }

/* ─── Category Tabs ─── */
.cat-scroll {
  background: var(--white);
  overflow-x: auto;
  white-space: nowrap;
  padding: 12px 8px;
  border-bottom: 1px solid var(--border);
  -webkit-overflow-scrolling: touch;
}
.cat-scroll::-webkit-scrollbar { display: none; }
.cat-btn {
  display: inline-flex; flex-direction: column; align-items: center;
  padding: 6px 12px; margin: 0 4px;
  border-radius: 10px; background: var(--bg);
  font-size: .78rem; color: var(--text-sub);
  transition: all .2s;
}
.cat-btn .cat-icon { font-size: 1.3rem; margin-bottom: 2px; }
.cat-btn.active { background: var(--primary-l); color: var(--primary); font-weight: 700; }

/* ─── Activity Card ─── */
.card-list { padding: 12px 16px; display: flex; flex-direction: column; gap: 12px; }
.act-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}
.act-card-top { padding: 14px 14px 10px; }
.act-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.act-cat-badge {
  background: var(--primary-l); color: var(--primary);
  font-size: .72rem; font-weight: 600;
  padding: 2px 8px; border-radius: 6px;
}
.act-mode-badge {
  background: #EEF2FF; color: #6366F1;
  font-size: .72rem; padding: 2px 6px; border-radius: 6px;
}
.act-title { font-size: 1rem; font-weight: 700; line-height: 1.4; }
.act-desc  { font-size: .82rem; color: var(--text-sub); margin-top: 4px; line-height: 1.5; }
.act-info  { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.act-info-item { display: flex; align-items: center; gap: 4px; font-size: .78rem; color: var(--text-sub); }

.act-card-bottom {
  padding: 10px 14px;
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.act-host { display: flex; align-items: center; gap: 8px; }
.avatar {
  width: 32px; height: 32px; border-radius: 50%; object-fit: cover;
  background: var(--border);
}
.avatar-sm { width: 24px; height: 24px; }
.avatar-lg { width: 60px; height: 60px; }
.host-name { font-size: .82rem; font-weight: 600; }
.host-sub  { font-size: .72rem; color: var(--text-sub); }

.act-progress { flex: 1; margin: 0 12px; }
.progress-bar {
  height: 4px; background: var(--border); border-radius: 2px; overflow: hidden;
}
.progress-fill { height: 100%; background: var(--primary); border-radius: 2px; }
.progress-text { font-size: .72rem; color: var(--text-sub); margin-top: 3px; text-align: right; }

.btn-join {
  background: var(--primary); color: var(--white);
  font-size: .82rem; font-weight: 700;
  padding: 7px 16px; border-radius: 20px;
  white-space: nowrap;
}
.btn-join:active { background: var(--primary-d); }
.btn-join.full { background: var(--border); color: var(--text-sub); }

/* ─── Buttons ─── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 20px; border-radius: 25px;
  font-weight: 700; font-size: .95rem; cursor: pointer;
  transition: opacity .2s;
}
.btn:active { opacity: .8; }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-outline { background: transparent; border: 1.5px solid var(--primary); color: var(--primary); }
.btn-block   { display: flex; width: 100%; }
.btn-sm { padding: 7px 14px; font-size: .82rem; border-radius: 16px; }
.btn-danger { background: var(--danger); color: var(--white); }

/* ─── Forms ─── */
.form-group { margin-bottom: 16px; }
.form-label { font-size: .85rem; font-weight: 600; color: var(--text); margin-bottom: 6px; display: block; }
.form-control {
  width: 100%; padding: 12px 14px;
  background: var(--white); border: 1.5px solid var(--border);
  border-radius: 10px; font-size: .95rem; color: var(--text);
  transition: border-color .2s;
}
.form-control:focus { border-color: var(--primary); }
textarea.form-control { min-height: 90px; resize: vertical; line-height: 1.6; }
select.form-control { padding-right: 32px; }
.form-hint { font-size: .75rem; color: var(--text-sub); margin-top: 4px; }
.form-row  { display: flex; gap: 10px; }
.form-row .form-group { flex: 1; }

/* ─── Tags/Chips ─── */
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.tag {
  padding: 5px 12px; border-radius: 15px;
  font-size: .78rem; border: 1.5px solid var(--border);
  color: var(--text-sub); cursor: pointer; transition: all .2s;
}
.tag.selected { border-color: var(--primary); background: var(--primary-l); color: var(--primary); font-weight: 600; }

/* ─── Section Header ─── */
.section-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 16px 8px;
}
.section-title { font-size: 1rem; font-weight: 700; }
.section-more  { font-size: .82rem; color: var(--primary); }

/* ─── Profile ─── */
.profile-banner {
  background: linear-gradient(135deg, var(--primary) 0%, #FF9A5C 100%);
  padding: 24px 16px 16px;
  display: flex; align-items: flex-end; gap: 14px;
}
.profile-info { color: var(--white); flex: 1; }
.profile-name { font-size: 1.2rem; font-weight: 800; }
.profile-sub  { font-size: .82rem; opacity: .9; margin-top: 3px; }
.vip-badge {
  display: inline-flex; align-items: center; gap: 4px;
  background: rgba(255,255,255,.25);
  color: var(--white); font-size: .72rem; font-weight: 700;
  padding: 2px 8px; border-radius: 10px; margin-top: 6px;
}

.menu-list { background: var(--white); border-radius: var(--radius); overflow: hidden; }
.menu-item {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; border-bottom: 1px solid var(--border);
  font-size: .95rem;
}
.menu-item:last-child { border-bottom: none; }
.menu-item-icon { font-size: 1.2rem; width: 28px; text-align: center; }
.menu-item-label { flex: 1; }
.menu-item-arrow { color: var(--text-sub); font-size: .85rem; }

/* ─── Chat ─── */
.chat-wrap { display: flex; flex-direction: column; height: calc(100vh - 48px - var(--tabbar-h)); }
.chat-msgs { flex: 1; overflow-y: auto; padding: 12px 16px; display: flex; flex-direction: column; gap: 12px; }
.msg-row   { display: flex; gap: 10px; }
.msg-row.me { flex-direction: row-reverse; }
.msg-bubble {
  max-width: 70%; padding: 9px 13px;
  border-radius: 16px; font-size: .9rem; line-height: 1.5;
  background: var(--white); box-shadow: 0 1px 3px rgba(0,0,0,.07);
}
.msg-row.me .msg-bubble { background: var(--primary); color: var(--white); }
.msg-system { text-align: center; color: var(--text-sub); font-size: .75rem; margin: 4px 0; }
.chat-input-wrap {
  padding: 8px 12px; background: var(--white); border-top: 1px solid var(--border);
  display: flex; gap: 8px; align-items: center;
}
.chat-input {
  flex: 1; padding: 10px 14px; background: var(--bg);
  border-radius: 20px; font-size: .9rem;
}

/* ─── Detail Page ─── */
.detail-cover { width: 100%; height: 180px; background: linear-gradient(135deg,#FF6B35,#FF9A5C); position: relative; }
.detail-cat-icon { position: absolute; bottom: -24px; left: 16px; font-size: 3rem; }
.detail-body { padding: 36px 16px 16px; background: var(--white); }
.detail-title { font-size: 1.15rem; font-weight: 800; }
.detail-info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
.detail-info-box {
  background: var(--bg); border-radius: 10px; padding: 10px 12px;
}
.detail-info-box .label { font-size: .72rem; color: var(--text-sub); }
.detail-info-box .value { font-size: .92rem; font-weight: 700; margin-top: 2px; }

.participants-row { display: flex; flex-wrap: wrap; gap: -8px; }
.avatar-stack { display: flex; }
.avatar-stack .avatar { margin-right: -8px; border: 2px solid var(--white); }

/* ─── Login ─── */
.login-wrap { min-height: 100vh; display: flex; flex-direction: column; }
.login-hero { background: linear-gradient(135deg,var(--primary),#FF9A5C); padding: 60px 32px 40px; color: var(--white); }
.login-logo { font-size: 3rem; font-weight: 900; letter-spacing: 2px; }
.login-slogan { font-size: .9rem; opacity: .9; margin-top: 8px; }
.login-form { flex: 1; padding: 32px 20px; background: var(--white); }

/* ─── Empty State ─── */
.empty { text-align: center; padding: 60px 20px; color: var(--text-sub); }
.empty-icon { font-size: 3rem; margin-bottom: 12px; }
.empty-text { font-size: .9rem; }

/* ─── Toast ─── */
.toast {
  position: fixed; bottom: calc(var(--tabbar-h) + 16px); left: 50%; transform: translateX(-50%);
  background: rgba(0,0,0,.75); color: var(--white);
  padding: 10px 20px; border-radius: 20px; font-size: .85rem;
  z-index: 9999; white-space: nowrap; pointer-events: none;
  opacity: 0; transition: opacity .3s;
}
.toast.show { opacity: 1; }

/* ─── Loading Spinner ─── */
.spinner {
  width: 24px; height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  margin: 40px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ─── Tabbar ─── */
.tabbar {
  position: fixed; bottom: 0; left: 0; right: 0;
  height: var(--tabbar-h); z-index: 200;
  background: var(--white); border-top: 1px solid var(--border);
  display: flex;
}
.tab-item {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  font-size: .7rem; color: var(--text-sub);
  gap: 2px; transition: color .2s;
}
.tab-item .tab-icon { font-size: 1.3rem; }
.tab-item.active { color: var(--primary); font-weight: 700; }

/* 发局按钮特殊处理 */
.tab-item:nth-child(3) .tab-icon {
  background: var(--primary); color: var(--white);
  width: 42px; height: 42px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; margin-top: -8px;
  box-shadow: 0 4px 12px rgba(255,107,53,.4);
}

/* ─── Floating action ─── */
.fab {
  position: fixed; bottom: calc(var(--tabbar-h) + 16px); right: 16px;
  width: 50px; height: 50px; border-radius: 50%;
  background: var(--primary); color: var(--white); font-size: 1.4rem;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 16px rgba(255,107,53,.4); z-index: 100;
}

/* ─── Reputation Badge ─── */
.rep-badge {
  display: inline-block; padding: 2px 8px; border-radius: 8px;
  font-size: .72rem; font-weight: 700;
}
.rep-high   { background: #DCFCE7; color: #15803D; }
.rep-mid    { background: #FEF3C7; color: #92400E; }
.rep-low    { background: #FEE2E2; color: #991B1B; }

/* ─── Scrollable Page ─── */
.page { min-height: calc(100vh - var(--tabbar-h)); }

/* ─── Section Card ─── */
.section-card {
  background: var(--white); border-radius: var(--radius);
  margin: 12px 16px; padding: 16px; box-shadow: 0 1px 4px rgba(0,0,0,.05);
}
.section-card-title { font-size: .85rem; font-weight: 700; color: var(--text-sub); margin-bottom: 12px; text-transform: uppercase; letter-spacing: .5px; }