/* ========================================
   共振胶囊 - 全局样式
   ======================================== */

* { margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color:transparent; }

:root {
  --primary: #7c6ef6;
  --primary-dark: #6a5ce7;
  --primary-light: #a09df7;
  --accent: #00d2d3;
  --bg-dark: #0f0f23;
  --bg-card: #1a1a2e;
  --bg-card-hover: #242442;
  --text-primary: #ffffff;
  --text-secondary: #a0a0c0;
  --text-muted: #666688;
  --border: rgba(255,255,255,0.08);
  --positive: #10b981;
  --negative: #ef4444;
  --neutral: #f59e0b;
  --radius: 16px;
  --radius-sm: 10px;
}

html, body {
  height: 100%;
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Helvetica Neue', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  overflow: hidden;
}

#app { display:flex; flex-direction:column; height:100vh; height:100dvh; overflow:hidden; }

/* 顶部导航 */
.app-header { flex-shrink:0; background:var(--bg-card); border-bottom:1px solid var(--border); padding:0 16px; padding-top:env(safe-area-inset-top,0); }
.header-content { display:flex; align-items:center; justify-content:space-between; height:52px; }
.logo { display:flex; align-items:center; gap:8px; }
.logo-icon { font-size:28px; animation:float 3s ease-in-out infinite; }
@keyframes float { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-4px)} }
.logo-text { font-size:20px; font-weight:700; background:linear-gradient(135deg,#fff,var(--primary-light)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.header-zone { display:flex; align-items:center; gap:4px; background:rgba(124,110,246,0.15); border:1px solid rgba(124,110,246,0.3); border-radius:20px; padding:6px 14px; font-size:13px; color:var(--primary-light); cursor:pointer; }
.header-zone:active { background:rgba(124,110,246,0.25); }
.zone-arrow { font-size:10px; opacity:0.7; }

/* 主内容区 */
.main-content { flex:1; overflow-y:auto; overflow-x:hidden; -webkit-overflow-scrolling:touch; padding-bottom:calc(60px + env(safe-area-inset-bottom,0px)); }
.main-content::-webkit-scrollbar { width:0; }

/* 底部TabBar */
.tab-bar { position:fixed; bottom:0; left:0; right:0; display:flex; background:var(--bg-card); border-top:1px solid var(--border); padding-bottom:env(safe-area-inset-bottom,0); z-index:100; }
.tab-item { flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center; padding:8px 0; gap:2px; cursor:pointer; transition:all 0.2s; color:var(--text-muted); border-top:2px solid transparent; margin-top:-1px; }
.tab-item.active { color:var(--primary-light); border-top-color:var(--primary); }
.tab-icon { font-size:22px; transition:transform 0.2s; }
.tab-item.active .tab-icon { transform:scale(1.1); }
.tab-text { font-size:11px; font-weight:500; }

/* 搜索栏+区域按钮 */
.treehole-toolbar { padding:12px 16px 8px; display:flex; gap:10px; align-items:center; }
.search-bar { flex:1; display:flex; align-items:center; background:var(--bg-card); border:1px solid var(--border); border-radius:24px; padding:0 14px; height:40px; gap:8px; }
.search-icon { font-size:16px; flex-shrink:0; }
.search-input { flex:1; background:none; border:none; outline:none; color:var(--text-primary); font-size:14px; font-family:inherit; min-width:0; }
.search-input::placeholder { color:var(--text-muted); }
.search-clear { font-size:14px; color:var(--text-muted); cursor:pointer; }
.zone-select-btn { flex-shrink:0; background:rgba(124,110,246,0.15); border:1px solid rgba(124,110,246,0.3); border-radius:20px; padding:8px 14px; font-size:12px; color:var(--primary-light); cursor:pointer; white-space:nowrap; }
.zone-select-btn:active { background:rgba(124,110,246,0.25); }

/* 情绪筛选 */
.emotion-filter-row { display:flex; gap:6px; padding:4px 16px 12px; overflow-x:auto; -webkit-overflow-scrolling:touch; }
.emotion-filter-row::-webkit-scrollbar { display:none; }
.emotion-filter-item { flex-shrink:0; padding:6px 14px; border-radius:20px; font-size:13px; background:rgba(255,255,255,0.04); border:1px solid var(--border); color:var(--text-muted); cursor:pointer; transition:all 0.2s; }
.emotion-filter-item.active { background:rgba(124,110,246,0.2); border-color:var(--primary); color:var(--primary-light); }
.emotion-filter-item:active { transform:scale(0.95); }

/* 校园墙标签 */
.wall-tag-row { display:flex; gap:8px; padding:4px 16px 12px; overflow-x:auto; -webkit-overflow-scrolling:touch; }
.wall-tag-row::-webkit-scrollbar { display:none; }
.wall-tag-chip { flex-shrink:0; padding:6px 14px; border-radius:20px; font-size:13px; background:rgba(255,255,255,0.04); border:1px solid var(--border); color:var(--text-secondary); cursor:pointer; transition:all 0.2s; }
.wall-tag-chip:active { transform:scale(0.95); }
.wall-tag-chip.selected { background:rgba(0,210,211,0.15); border-color:var(--accent); color:var(--accent); }

/* FAB按钮 */
.fab-btn { position:fixed; right:20px; bottom:90px; width:56px; height:56px; border-radius:50%; background:linear-gradient(135deg,var(--primary),var(--primary-dark)); color:#fff; border:none; font-size:24px; cursor:pointer; box-shadow:0 4px 20px rgba(124,110,246,0.4); transition:all 0.2s; z-index:50; display:flex; align-items:center; justify-content:center; }
.fab-btn:active { transform:scale(0.92); }
.fab-wall { background:linear-gradient(135deg,var(--accent),#00b894); box-shadow:0 4px 20px rgba(0,210,211,0.4); }

/* 帖子列表 */
.browse-header { padding:0 16px 8px; }
.browse-subtitle { font-size:12px; color:var(--text-secondary); }
.capsule-list { padding:0 16px 100px; }
.capsule-item { background:var(--bg-card); border-radius:var(--radius); padding:18px; margin-bottom:14px; border:1px solid var(--border); transition:all 0.2s; cursor:pointer; }
.capsule-item:active { background:var(--bg-card-hover); transform:scale(0.99); }
.capsule-item-header { display:flex; align-items:center; gap:10px; margin-bottom:12px; }
.capsule-avatar { width:38px; height:38px; border-radius:50%; background:linear-gradient(135deg,var(--primary),var(--accent)); display:flex; align-items:center; justify-content:center; font-size:18px; flex-shrink:0; }
.capsule-avatar.anonymous { background:linear-gradient(135deg,#555,#777); }
.capsule-user-info { flex:1; min-width:0; }
.capsule-nickname { font-size:14px; font-weight:600; color:var(--text-primary); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; display:flex; align-items:center; gap:6px; }
.capsule-meta { font-size:11px; color:var(--text-muted); margin-top:2px; }
.capsule-emotion-badge { display:inline-flex; align-items:center; gap:3px; padding:3px 8px; border-radius:12px; font-size:12px; flex-shrink:0; }
.capsule-type-badge { font-size:10px; padding:1px 6px; border-radius:8px; vertical-align:middle; }
.capsule-type-badge.treehole { background:rgba(124,110,246,0.2); color:var(--primary-light); }
.capsule-type-badge.wall { background:rgba(0,210,211,0.15); color:var(--accent); }
.capsule-content { font-size:15px; line-height:1.65; color:var(--text-primary); word-break:break-word; margin-bottom:12px; }
.capsule-tags { margin-bottom:12px; }
.capsule-tag { display:inline-block; padding:2px 10px; border-radius:12px; font-size:12px; background:rgba(0,210,211,0.12); color:var(--accent); }
.capsule-footer { display:flex; align-items:center; gap:16px; }
.capsule-action { display:flex; align-items:center; gap:5px; font-size:12px; color:var(--text-muted); background:none; border:none; cursor:pointer; padding:4px 8px; border-radius:8px; transition:all 0.2s; }
.capsule-action:active { background:rgba(255,255,255,0.05); }
.capsule-action.liked { color:#ef4444; }
.capsule-action-icon { font-size:16px; }
.capsule-delete-btn { background:none; border:none; font-size:16px; cursor:pointer; padding:4px 8px; border-radius:8px; opacity:0.5; transition:all 0.2s; flex-shrink:0; }
.capsule-delete-btn:hover { opacity:1; background:rgba(239,68,68,0.15); }

/* 空状态 */
.empty-state { display:flex; flex-direction:column; align-items:center; justify-content:center; padding:80px 40px; gap:16px; }
.empty-icon { font-size:72px; opacity:0.7; }
.empty-text { font-size:16px; font-weight:500; color:var(--text-secondary); }
.empty-sub { font-size:13px; color:var(--text-muted); text-align:center; }
.empty-btn { margin-top:8px; background:var(--primary); color:#fff; border:none; border-radius:24px; padding:12px 32px; font-size:14px; cursor:pointer; }
.empty-btn:active { background:var(--primary-dark); transform:scale(0.97); }

/* 发布区（弹窗内） */
.publish-zone-tag { display:flex; align-items:center; gap:8px; background:rgba(124,110,246,0.1); color:var(--primary-light); padding:10px 14px; border-radius:10px; font-size:14px; margin:0 20px 10px; }
.publish-textarea { width:100%; min-height:120px; background:rgba(255,255,255,0.04); border:1px solid var(--border); border-radius:var(--radius-sm); padding:14px; color:var(--text-primary); font-size:16px; line-height:1.65; resize:none; outline:none; font-family:inherit; margin-bottom:6px; }
.publish-textarea:focus { border-color:var(--primary); }
.publish-textarea::placeholder { color:var(--text-muted); }
.char-count { text-align:right; font-size:12px; color:var(--text-muted); margin-bottom:14px; }
.emotion-section { margin-bottom:14px; }
.emotion-title { font-size:14px; font-weight:600; color:var(--text-primary); margin-bottom:12px; }
.emotion-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:8px; }
.throw-emotion-item { display:flex; flex-direction:column; align-items:center; gap:4px; padding:10px 4px; background:rgba(255,255,255,0.04); border:1px solid var(--border); border-radius:12px; cursor:pointer; transition:all 0.2s; color:var(--text-secondary); }
.throw-emotion-item:active { transform:scale(0.95); }
.throw-emotion-item.selected { background:rgba(124,110,246,0.2); border-color:var(--primary); color:var(--primary-light); }
.throw-emotion-emoji { font-size:24px; }
.throw-emotion-name { font-size:11px; }
.throw-section-title { font-size:14px; font-weight:600; color:var(--text-primary); margin-bottom:10px; }
.anonymous-row { display:flex; align-items:center; margin-bottom:18px; padding:12px 0; }
.checkbox-label { display:flex; align-items:center; gap:8px; font-size:14px; color:var(--text-secondary); cursor:pointer; user-select:none; }
.checkbox-label input[type="checkbox"] { display:none; }
.checkbox-custom { width:20px; height:20px; border-radius:50%; border:2px solid var(--text-muted); display:flex; align-items:center; justify-content:center; transition:all 0.2s; flex-shrink:0; }
.checkbox-label input:checked + .checkbox-custom { background:var(--primary); border-color:var(--primary); }
.checkbox-label input:checked + .checkbox-custom::after { content:'✓'; color:#fff; font-size:12px; font-weight:bold; }
.publish-btn { width:100%; background:linear-gradient(135deg,var(--primary),var(--primary-dark)); color:#fff; border:none; border-radius:30px; padding:16px; font-size:17px; font-weight:600; cursor:pointer; font-family:inherit; }
.publish-btn:active { transform:scale(0.98); opacity:0.9; }

/* 私聊 */
.page-chat { padding:0; }
.chat-header-bar { padding:16px 20px 12px; border-bottom:1px solid var(--border); }
.chat-header-title { font-size:20px; font-weight:700; }
.chat-list { padding:0 16px 100px; }
.chat-item { display:flex; align-items:center; gap:12px; padding:16px 4px; border-bottom:1px solid var(--border); cursor:pointer; }
.chat-item:active { background:rgba(255,255,255,0.03); }
.chat-avatar { width:48px; height:48px; border-radius:50%; background:linear-gradient(135deg,#555,#777); display:flex; align-items:center; justify-content:center; font-size:22px; flex-shrink:0; }
.chat-info { flex:1; min-width:0; }
.chat-name { font-size:15px; font-weight:600; }
.chat-preview { font-size:13px; color:var(--text-muted); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; margin-top:3px; }
.chat-meta { display:flex; flex-direction:column; align-items:flex-end; gap:6px; flex-shrink:0; }
.chat-time { font-size:11px; color:var(--text-muted); }
.chat-badge { background:var(--negative); color:#fff; font-size:11px; font-weight:600; min-width:18px; height:18px; border-radius:9px; display:flex; align-items:center; justify-content:center; padding:0 5px; }
.chat-detail { display:flex; flex-direction:column; height:100%; }
.chat-detail-header { display:flex; align-items:center; gap:12px; padding:14px 16px; border-bottom:1px solid var(--border); flex-shrink:0; }
.chat-back-btn { background:none; border:none; font-size:22px; color:var(--primary-light); cursor:pointer; padding:4px 8px; }
.chat-detail-name { font-size:17px; font-weight:600; }
.chat-messages { flex:1; overflow-y:auto; padding:16px; display:flex; flex-direction:column; gap:12px; }
.chat-messages::-webkit-scrollbar { width:0; }
.msg-row { display:flex; }
.msg-row.mine { justify-content:flex-end; }
.msg-row.theirs { justify-content:flex-start; }
.msg-bubble { max-width:70%; padding:10px 16px; border-radius:18px; font-size:14px; line-height:1.5; word-break:break-word; }
.msg-row.mine .msg-bubble { background:var(--primary); color:#fff; border-bottom-right-radius:4px; }
.msg-row.theirs .msg-bubble { background:var(--bg-card); border-bottom-left-radius:4px; }
.chat-input-row { display:flex; align-items:center; gap:10px; padding:12px 16px; border-top:1px solid var(--border); flex-shrink:0; }
.chat-input { flex:1; background:rgba(255,255,255,0.06); border:1px solid var(--border); border-radius:24px; padding:10px 16px; color:var(--text-primary); font-size:14px; outline:none; font-family:inherit; }
.chat-input:focus { border-color:var(--primary); }
.chat-input::placeholder { color:var(--text-muted); }
.chat-send-btn { background:var(--primary); color:#fff; border:none; border-radius:24px; padding:10px 20px; font-size:14px; font-weight:600; cursor:pointer; font-family:inherit; flex-shrink:0; }
.chat-send-btn:active { opacity:0.8; }

/* 我的 */
.page-mine { padding:0 16px 100px; }
.mine-header { padding:24px 0 16px; display:flex; align-items:center; gap:14px; }
.mine-avatar { width:56px; height:56px; border-radius:50%; background:linear-gradient(135deg,var(--primary),var(--accent)); display:flex; align-items:center; justify-content:center; font-size:26px; flex-shrink:0; }
.mine-info { flex:1; }
.mine-nickname { font-size:20px; font-weight:700; }
.mine-stats { display:flex; gap:16px; margin-top:6px; }
.mine-stat { display:flex; align-items:center; gap:4px; font-size:13px; color:var(--text-secondary); }
.mine-stat strong { color:var(--text-primary); font-weight:600; }
.mine-edit-btn { background:rgba(255,255,255,0.06); border:none; font-size:20px; padding:8px 12px; border-radius:12px; cursor:pointer; }
.mine-menu { margin-bottom:20px; }
.mine-menu-item { display:flex; align-items:center; gap:12px; padding:16px 0; border-bottom:1px solid var(--border); cursor:pointer; }
.mine-menu-item:active { background:rgba(255,255,255,0.03); }
.mine-menu-icon { font-size:20px; flex-shrink:0; }
.mine-menu-text { flex:1; font-size:15px; }
.mine-menu-arrow { font-size:18px; color:var(--text-muted); }
.mine-section-title { font-size:14px; font-weight:600; color:var(--text-secondary); margin-bottom:12px; }
.mine-tab-row { display:flex; gap:8px; margin-bottom:12px; }
.mine-tab { padding:6px 16px; border-radius:20px; font-size:13px; color:var(--text-muted); cursor:pointer; border:1px solid transparent; }
.mine-tab.active { background:rgba(124,110,246,0.15); border-color:rgba(124,110,246,0.3); color:var(--primary-light); }

/* 情绪报告 */
.page-report { padding-bottom:100px; }
.report-header { padding:30px 16px 24px; background:linear-gradient(135deg,var(--primary),#9b59b6); border-radius:0 0 32px 32px; text-align:center; }
.report-header-icon { font-size:48px; }
.report-header-title { font-size:24px; font-weight:700; color:#fff; margin-top:8px; }
.report-header-sub { font-size:13px; color:rgba(255,255,255,0.75); margin-top:4px; }
.report-content { padding:16px; }
.summary-card { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:20px; display:flex; justify-content:space-around; margin-bottom:16px; }
.summary-item { display:flex; flex-direction:column; align-items:center; text-align:center; }
.summary-num { font-size:32px; font-weight:700; }
.summary-num.positive { color:var(--positive); }
.summary-label { font-size:12px; color:var(--text-muted); margin-top:4px; }
.summary-divider { width:1px; background:var(--border); align-self:stretch; }
.report-section { background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius); padding:18px; margin-bottom:14px; }
.report-section-title { font-size:15px; font-weight:600; margin-bottom:16px; display:flex; align-items:center; gap:8px; }
.report-section-icon { font-size:20px; }
.dist-bar-item { margin-bottom:14px; }
.dist-bar-info { display:flex; align-items:center; justify-content:space-between; margin-bottom:6px; }
.dist-bar-left { display:flex; align-items:center; gap:8px; }
.dist-bar-emoji { font-size:20px; }
.dist-bar-name { font-size:14px; color:var(--text-secondary); }
.dist-bar-percent { font-size:13px; color:var(--text-muted); }
.dist-bar-track { height:8px; background:rgba(255,255,255,0.06); border-radius:4px; overflow:hidden; }
.dist-bar-fill { height:100%; border-radius:4px; transition:width 0.8s ease-out; }
.trend-chart { display:flex; justify-content:space-between; gap:6px; }
.trend-day { flex:1; display:flex; flex-direction:column; align-items:center; gap:6px; }
.trend-day-circle { width:42px; height:42px; border-radius:50%; background:rgba(255,255,255,0.05); display:flex; flex-direction:column; align-items:center; justify-content:center; gap:1px; }
.trend-day-count { font-size:11px; font-weight:600; }
.trend-day-emoji { font-size:16px; }
.trend-day-label { font-size:10px; color:var(--text-muted); }
.insights-list { display:flex; flex-direction:column; gap:12px; }
.insight-item { display:flex; gap:10px; font-size:14px; color:var(--text-secondary); line-height:1.6; }
.insight-bullet { color:var(--primary-light); font-size:18px; flex-shrink:0; line-height:1.4; }
.suggestions-list { display:flex; flex-direction:column; gap:12px; }
.suggestion-item { display:flex; gap:12px; padding:14px; background:rgba(124,110,246,0.08); border-radius:var(--radius-sm); }
.suggestion-icon { font-size:22px; flex-shrink:0; }
.suggestion-text { font-size:13px; color:var(--text-secondary); line-height:1.6; }

/* 区域选择器弹窗 */
.modal-overlay { position:fixed; top:0; left:0; right:0; bottom:0; background:rgba(0,0,0,0.6); z-index:100; opacity:0; pointer-events:none; transition:opacity 0.3s; backdrop-filter:blur(4px); }
.modal-overlay.show { opacity:1; pointer-events:all; }
.zone-picker-modal { position:fixed; bottom:0; left:0; right:0; background:var(--bg-card); border-radius:24px 24px 0 0; z-index:101; transform:translateY(100%); transition:transform 0.35s cubic-bezier(0.4,0,0.2,1); max-height:75vh; display:flex; flex-direction:column; }
.zone-picker-modal.show { transform:translateY(0); }
.zone-picker-header { display:flex; align-items:center; justify-content:space-between; padding:20px 20px 14px; flex-shrink:0; }
.zone-picker-title { font-size:17px; font-weight:600; }
.zone-picker-close { width:28px; height:28px; border-radius:50%; background:rgba(255,255,255,0.06); display:flex; align-items:center; justify-content:center; font-size:14px; color:var(--text-muted); cursor:pointer; }
.zone-picker-map { height:160px; background:linear-gradient(135deg,#1a1a2e,#0f0f23); margin:0 16px; border-radius:var(--radius-sm); display:flex; align-items:center; justify-content:center; overflow:hidden; flex-shrink:0; }
.zone-picker-list { flex:1; overflow-y:auto; padding:14px 16px 40px; }
.zone-picker-list::-webkit-scrollbar { width:0; }
.zone-picker-legend { margin-bottom:12px; }
.legend-bar { height:8px; border-radius:4px; background:linear-gradient(to right,#4a90d9,#5cd85c,#ffd60a,#ff9500,#ff4757); margin-bottom:6px; }
.legend-labels { display:flex; justify-content:space-between; font-size:11px; color:var(--text-muted); }
.legend-labels span:nth-child(2) { color:var(--text-secondary); font-size:12px; }
.zone-list { display:flex; flex-direction:column; }
.zone-list-item { display:flex; align-items:center; justify-content:space-between; padding:14px 0; border-bottom:1px solid var(--border); cursor:pointer; }
.zone-list-item:active { background:rgba(255,255,255,0.03); }
.zone-list-item.current { background:rgba(124,110,246,0.08); margin:0 -8px; padding:14px 8px; border-radius:10px; }
.zone-list-left { display:flex; align-items:center; gap:12px; }
.zone-list-dot { width:12px; height:12px; border-radius:50%; flex-shrink:0; }
.zone-list-name { font-size:15px; }
.zone-list-right { display:flex; align-items:center; gap:10px; }
.zone-list-count { font-size:12px; color:var(--text-muted); }
.zone-list-check { font-size:16px; color:var(--primary-light); }

/* 回复弹窗 */
.reply-modal { position:fixed; top:0; left:0; right:0; bottom:0; background:rgba(0,0,0,0.7); z-index:200; display:flex; align-items:flex-end; opacity:0; pointer-events:none; transition:opacity 0.3s; backdrop-filter:blur(4px); }
.reply-modal.show { opacity:1; pointer-events:all; }
.reply-content { width:100%; background:var(--bg-card); border-radius:24px 24px 0 0; max-height:90vh; display:flex; flex-direction:column; transform:translateY(100%); transition:transform 0.35s cubic-bezier(0.4,0,0.2,1); padding-bottom:env(safe-area-inset-bottom,0); overflow-y:auto; }
.reply-modal.show .reply-content { transform:translateY(0); }
.reply-header { display:flex; align-items:center; justify-content:space-between; padding:20px 20px 14px; border-bottom:1px solid var(--border); flex-shrink:0; }
.reply-title { font-size:17px; font-weight:600; }
.reply-close { width:28px; height:28px; border-radius:50%; background:rgba(255,255,255,0.06); display:flex; align-items:center; justify-content:center; font-size:14px; color:var(--text-muted); cursor:pointer; }
.reply-capsule { padding:16px 20px; border-bottom:1px solid var(--border); flex-shrink:0; }
.reply-capsule-content { font-size:15px; line-height:1.6; }
.reply-capsule-meta { font-size:12px; color:var(--text-muted); margin-top:6px; }
.reply-list { padding:12px 20px; min-height:100px; max-height:300px; overflow-y:auto; }
.reply-list::-webkit-scrollbar { width:0; }
.reply-entry { display:flex; gap:10px; margin-bottom:16px; }
.reply-avatar { width:28px; height:28px; border-radius:50%; background:linear-gradient(135deg,#666,#888); display:flex; align-items:center; justify-content:center; font-size:13px; flex-shrink:0; }
.reply-info { flex:1; }
.reply-nickname { font-size:13px; font-weight:600; color:var(--text-secondary); }
.reply-text { font-size:14px; margin-top:3px; line-height:1.5; }
.reply-time { font-size:11px; color:var(--text-muted); margin-top:3px; }
.reply-no { text-align:center; color:var(--text-muted); font-size:13px; padding:40px 0; }
.reply-input-row { display:flex; align-items:center; gap:10px; padding:14px 20px; border-top:1px solid var(--border); flex-shrink:0; background:var(--bg-card); }
.reply-input { flex:1; background:rgba(255,255,255,0.06); border:1px solid var(--border); border-radius:24px; padding:10px 16px; color:var(--text-primary); font-size:14px; outline:none; font-family:inherit; }
.reply-input:focus { border-color:var(--primary); }
.reply-input::placeholder { color:var(--text-muted); }
.reply-send-btn { background:var(--primary); color:#fff; border:none; border-radius:24px; padding:10px 20px; font-size:14px; font-weight:600; cursor:pointer; font-family:inherit; flex-shrink:0; }
.reply-send-btn:active { opacity:0.8; }

/* Refresh Location Btn */
.refresh-loc-btn { background:var(--bg-card); border:1px solid var(--border); color:var(--text-primary); border-radius:10px; padding:6px 10px; font-size:16px; cursor:pointer; line-height:1; flex-shrink:0; }
.refresh-loc-btn:active { background:var(--bg-card-hover); }

/* Toast */
.toast { position:fixed; top:70px; left:50%; transform:translateX(-50%) translateY(-20px); background:rgba(26,26,46,0.95); color:#fff; padding:10px 24px; border-radius:24px; font-size:14px; z-index:1000; opacity:0; pointer-events:none; transition:all 0.3s; backdrop-filter:blur(10px); border:1px solid rgba(255,255,255,0.1); max-width:80%; text-align:center; }
.toast.show { opacity:1; transform:translateX(-50%) translateY(0); }

/* 动画 */
@keyframes spin { from{transform:rotate(0)} to{transform:rotate(360deg)} }
.capsule-appear { animation:capsuleIn 0.4s ease-out; }
@keyframes capsuleIn { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:translateY(0)} }
/**
 * 共振胶囊 - 主应用（完整版，Supabase 云端版）
 * 小树洞：带情绪的匿名倾诉
 * 校园墙：不带情绪的帖子
 * 私聊：本地聊天
 * 我的：个人中心+情绪报告
 */

let currentTab = 'treehole'
let currentZone = null
let viewZone = null
let userLat = null
let userLng = null
let selectedEmotion = null
let replyTargetCapsule = null
let searchKeyword = ''
let filterEmotion = null
let chatTarget = null
let selectedTag = null

// ============================================
// 初始化
// ============================================

document.addEventListener('DOMContentLoaded', () => {
  initLocation()
  switchTab('treehole')
})

function initLocation() {
  updateZoneDisplay({ name: '定位中...' })

  if (!navigator.geolocation) {
    currentZone = ZONES[0]
    viewZone = ZONES[0]
    userLat = currentZone.center.lat
    userLng = currentZone.center.lng
    updateZoneDisplay(viewZone)
    renderTreeholePage()
    return
  }

  navigator.geolocation.getCurrentPosition(
    (pos) => {
      userLat = pos.coords.latitude
      userLng = pos.coords.longitude
      currentZone = getCurrentZone(userLat, userLng)
      viewZone = currentZone || ZONES[0]
      updateZoneDisplay(viewZone)
      renderCurrentPage()
    },
    () => {
      currentZone = ZONES[0]
      viewZone = ZONES[0]
      userLat = currentZone.center.lat
      userLng = currentZone.center.lng
      updateZoneDisplay(currentZone)
      renderCurrentPage()
      showToast('定位失败，已切换到默认区域')
    },
    { enableHighAccuracy: true, timeout: 10000 }
  )
}

function updateZoneDisplay(zone) {
  const el = document.getElementById('zoneName')
  if (el && zone) el.textContent = zone.name || '全校'
}

#toast {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(0,0,0,0.8);
  color: #fff;
  padding: 10px 24px;
  border-radius: 8px;
  font-size: 14px;
  z-index: 10000;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
#toast.show {
  opacity: 1;
}