/* 方舟 · 样式系统（纸墨·朱砂） */

:root{
  --bg:#efe9db;
  --card:#faf7ef;
  --card2:#f4efe3;
  --ink:#241f18;
  --ink2:#4c4536;
  --muted:#8a8171;
  --line:#e0d8c6;
  --line2:#ece6d6;
  --accent:#a23a2b;
  --accent-deep:#8a3125;
  --accent-bg:#f6ebe6;
  --ok:#5f7350;
  --gold:#9c7a2e;
  --bad:#8a5a5a;
  --radius:12px;
  --radius-s:8px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","SimSun",serif;
  --sans:"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:"Cascadia Mono",Consolas,monospace;
  --shadow:0 1px 2px rgba(36,31,24,.05), 0 6px 24px -18px rgba(36,31,24,.25);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:15px;line-height:1.7;
}
button{font-family:inherit}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--ink)}
::placeholder{color:#a89f8d}

/* ---------- 顶栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:40;
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 22px;background:rgba(250,247,239,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:12px}
.brand-text{line-height:1.2}
.brand-name{font-family:var(--serif);font-size:19px;font-weight:600;letter-spacing:.18em}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:.08em}
.topbar-right{display:flex;align-items:center;gap:10px}
.points-chip{
  display:flex;align-items:baseline;gap:6px;
  border:1px solid var(--line);border-radius:999px;padding:5px 14px;background:var(--card);
}
.points-num{font-family:var(--mono);font-size:15px;font-weight:700;color:var(--accent-deep)}
.points-label{font-size:11px;color:var(--muted);letter-spacing:.1em}
.tier-chip{
  font-size:12px;color:var(--ink2);border:1px solid var(--line);
  border-radius:999px;padding:5px 12px;background:var(--card2);white-space:nowrap;
}
.tier-chip.hot{color:var(--accent-deep);border-color:#dcc3b8;background:var(--accent-bg)}

/* ---------- 布局 ---------- */
.shell{display:grid;grid-template-columns:208px minmax(0,1fr);max-width:1180px;margin:0 auto}
.sidenav{
  position:sticky;top:61px;align-self:start;height:calc(100vh - 61px);
  padding:26px 14px;display:flex;flex-direction:column;gap:4px;
  border-right:1px solid var(--line);
}
.nav-item{
  display:flex;align-items:center;gap:10px;width:100%;
  padding:10px 14px;border:none;background:none;border-radius:var(--radius-s);
  color:var(--ink2);font-size:14.5px;cursor:pointer;text-align:left;
}
.nav-item:hover{background:rgba(36,31,24,.05)}
.nav-item.active{background:var(--accent-bg);color:var(--accent-deep);font-weight:600}
.ic{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto}
.sidenav-foot{margin-top:auto;padding:14px 14px 4px;font-size:11px;color:var(--muted);letter-spacing:.06em}
.main{min-width:0;padding:30px 34px 90px}
.bottomnav{display:none}

/* ---------- 通用组件 ---------- */
.view-head{margin-bottom:22px}
.view-title{font-family:var(--serif);font-size:26px;font-weight:600;letter-spacing:.04em;display:flex;align-items:center;gap:12px}
.view-sub{color:var(--muted);font-size:13px;margin-top:6px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.card + .card{margin-top:14px}
.card-title{font-family:var(--serif);font-size:17px;font-weight:600;margin:0 0 12px;display:flex;align-items:center;gap:8px}
.sect-label{font-size:12px;letter-spacing:.14em;color:var(--muted);margin:26px 0 10px}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.spread{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.mt8{margin-top:8px}.mt14{margin-top:14px}.mt20{margin-top:20px}
.muted{color:var(--muted)}.small{font-size:12.5px}.mono{font-family:var(--mono)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border:1px solid var(--line);background:var(--card);color:var(--ink2);
  border-radius:var(--radius-s);padding:8px 16px;font-size:13.5px;cursor:pointer;
  transition:background .15s,border-color .15s;
}
.btn:hover{background:var(--card2)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fdf8f4;font-weight:600}
.btn.primary:hover{background:var(--accent-deep)}
.btn.ghost{border-style:dashed;color:var(--muted)}
.btn.danger{color:var(--bad);border-color:#dcc9c9}
.btn.small{padding:5px 12px;font-size:12.5px}
.btn:disabled{opacity:.55;cursor:not-allowed}
.link{color:var(--accent-deep);cursor:pointer;border:none;background:none;padding:0;font-size:inherit}
.link:hover{text-decoration:underline}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  border:1px solid var(--line);border-radius:999px;padding:5px 13px;
  font-size:13px;color:var(--ink2);background:var(--card);cursor:pointer;user-select:none;
}
.chip:hover{background:var(--card2)}
.chip.on{background:var(--accent-bg);border-color:#dcc3b8;color:var(--accent-deep);font-weight:600}
.chip.static{cursor:default}
.chip .x{font-size:14px;color:var(--muted)}
.tag{
  display:inline-block;font-size:11px;color:var(--muted);
  border:1px solid var(--line);border-radius:6px;padding:2px 8px;letter-spacing:.04em;
}
.tag.hot{color:var(--accent-deep);border-color:#dcc3b8;background:var(--accent-bg)}
.tag.demo{color:var(--gold);border-color:#e2d5b2;background:#f8f2e2}

.field{display:block;margin-top:14px}
.field .lb{font-size:12.5px;color:var(--muted);margin-bottom:6px;letter-spacing:.04em}
.input,textarea.input{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-s);
  background:#fdfbf6;padding:11px 14px;outline:none;
}
.input:focus,textarea.input:focus{border-color:#c9b8a4;background:#fffdf9}
textarea.input{resize:vertical;min-height:120px;line-height:1.8}
input[type="date"].input{width:auto}

.empty{
  text-align:center;color:var(--muted);padding:46px 20px;font-size:13.5px;
  border:1px dashed var(--line);border-radius:var(--radius);background:rgba(250,247,239,.6);
}
.empty .big{font-family:var(--serif);font-size:17px;color:var(--ink2);margin-bottom:6px}

/* ---------- 日记 ---------- */
.mood-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.diary-item{
  display:grid;grid-template-columns:64px minmax(0,1fr) auto;gap:14px;align-items:center;
  padding:14px 4px;border-bottom:1px solid var(--line2);cursor:pointer;
}
.diary-item:hover{background:rgba(36,31,24,.025)}
.diary-item .date{font-family:var(--serif);font-size:15px;color:var(--ink2);white-space:nowrap}
.diary-item .ex{color:var(--ink2);font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.diary-item .badges{display:flex;gap:6px;align-items:center}
.rating{
  font-family:var(--mono);font-weight:800;font-size:15px;
  width:30px;height:30px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
}
.rating-s{color:#fff;background:var(--accent);border-color:var(--accent)}
.rating-a{color:#fff;background:var(--ok);border-color:var(--ok)}
.rating-b{color:#fff;background:#7a6f52;border-color:#7a6f52}
.rating-c{color:#fff;background:#9a8a6a;border-color:#9a8a6a}
.rating-d{color:#fff;background:var(--bad);border-color:var(--bad)}
.detail-body{white-space:pre-wrap;line-height:1.9;font-size:14.5px;background:#fdfbf6;border:1px solid var(--line2);border-radius:var(--radius-s);padding:16px;margin-top:8px;max-height:320px;overflow:auto}

/* ---------- 评分卡 ---------- */
.score-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:12px}
.score-cell{text-align:center;border:1px solid var(--line2);border-radius:var(--radius-s);padding:10px 4px;background:#fdfbf6}
.score-cell .v{font-family:var(--mono);font-size:17px;font-weight:700}
.score-cell .k{font-size:11px;color:var(--muted);margin-top:2px}
.bar{height:6px;border-radius:4px;background:var(--line2);overflow:hidden;margin-top:6px}
.bar i{display:block;height:100%;background:var(--accent);border-radius:4px}
.dim-row{display:grid;grid-template-columns:48px 1fr 40px;gap:10px;align-items:center;font-size:13px;margin-top:8px}
.dim-row .n{color:var(--muted)}
.dim-row .v{text-align:right;font-family:var(--mono);color:var(--ink2)}
.verdict{margin-top:15px;padding-top:14px;border-top:1px dashed var(--line2);font-size:14px}
.verdict p{margin:6px 0}
.tx-line{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:12px;padding-top:12px;border-top:1px dashed var(--line2);font-size:12.5px;color:var(--muted)}

/* ---------- 积分/圈层 ---------- */
.hero-points{display:flex;align-items:flex-end;gap:16px;flex-wrap:wrap}
.hero-points .num{font-family:var(--serif);font-size:44px;font-weight:700;color:var(--accent-deep);line-height:1}
.hero-points .lbl{color:var(--muted);font-size:13px;padding-bottom:6px}
.progress{height:10px;border-radius:6px;background:var(--line2);overflow:hidden;margin-top:14px}
.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),#c06b52);border-radius:6px}

/* ---------- 树洞 ---------- */
.th-grid{display:grid;grid-template-columns:270px minmax(0,1fr);gap:16px;align-items:start}
.conv-list{max-height:calc(100vh - 240px);overflow:auto}
.conv-item{
  display:flex;gap:10px;align-items:center;padding:10px 10px;border-radius:var(--radius-s);cursor:pointer;
}
.conv-item:hover{background:rgba(36,31,24,.04)}
.conv-item.on{background:var(--accent-bg)}
.avatar{
  width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#fdf8f4;font-size:14px;font-weight:600;flex:0 0 auto;
}
.conv-item .nm{font-size:14px;color:var(--ink2);line-height:1.3}
.conv-item .ds{font-size:11px;color:var(--muted)}
.chat-card{display:flex;flex-direction:column;min-height:520px;max-height:calc(100vh - 176px)}
.chat-head{display:flex;align-items:center;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line2)}
.chat-head .nm{font-family:var(--serif);font-size:17px;font-weight:600}
.chat-head .tg{font-size:12px;color:var(--muted)}
.chat-msgs{flex:1;overflow-y:auto;padding:18px 4px;display:flex;flex-direction:column;gap:12px}
.bubble{
  max-width:76%;padding:11px 15px;border-radius:14px;font-size:14px;line-height:1.8;
  white-space:normal;word-break:break-word;
}
.bubble p{margin:0 0 .5em}.bubble p:last-child{margin-bottom:0}
.bubble.ai{background:var(--card2);border:1px solid var(--line2);border-top-left-radius:4px;align-self:flex-start}
.bubble.user{background:var(--accent);color:#fdf8f4;border-top-right-radius:4px;align-self:flex-end}
.bubble .meta{display:block;font-size:10.5px;color:var(--muted);margin-top:6px}
.bubble.user .meta{color:rgba(253,248,244,.75)}
.typing{display:inline-block;color:var(--muted);letter-spacing:.3em;animation:blink 1.2s infinite}
@keyframes blink{50%{opacity:.35}}
.chat-input{display:flex;gap:10px;align-items:flex-end;padding-top:14px;border-top:1px solid var(--line2)}
.chat-input textarea{flex:1;min-height:52px;max-height:150px;resize:none}

/* ---------- 社区 ---------- */
.post-card{border-bottom:1px solid var(--line2);padding:18px 4px}
.post-card:last-child{border-bottom:none}
.post-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.post-title{font-family:var(--serif);font-size:16.5px;font-weight:600}
.post-desc{color:var(--ink2);font-size:14px;margin-top:6px;white-space:pre-wrap}
.post-meta{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:12.5px;color:var(--muted);flex-wrap:wrap}
.post-meta .nm{color:var(--ink2);font-weight:600}

/* ---------- 我的 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.stat{border:1px solid var(--line2);border-radius:var(--radius-s);background:#fdfbf6;padding:14px;text-align:center}
.stat .v{font-family:var(--mono);font-size:22px;font-weight:700;color:var(--ink)}
.stat .k{font-size:11.5px;color:var(--muted);margin-top:3px}
.about p{color:var(--ink2);font-size:13.5px;margin:8px 0}
.about b{color:var(--ink)}

/* ---------- 模态 / 提示 ---------- */
#modalRoot{display:none}
#modalRoot.open{display:block}
.modal-mask{
  position:fixed;inset:0;background:rgba(36,31,24,.42);z-index:80;
  display:flex;align-items:center;justify-content:center;padding:20px;
}
.modal{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  width:min(560px,100%);max-height:86vh;overflow:auto;padding:26px 26px 22px;
  box-shadow:0 24px 60px -30px rgba(36,31,24,.5);
}
.modal.wide{width:min(720px,100%)}
.modal-title{font-family:var(--serif);font-size:20px;font-weight:600;margin:0 0 6px}
.modal-sub{color:var(--muted);font-size:13px;margin:0 0 16px}
.modal-close{position:sticky;top:0;float:right;margin:-10px -8px 0 0}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}
#toastRoot{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);z-index:120;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{
  background:#2c261d;color:#f6f1e7;border-radius:10px;padding:10px 18px;font-size:13.5px;
  box-shadow:0 10px 30px -12px rgba(0,0,0,.5);animation:pop .18s ease;
}
.toast.err{background:#7a3128}
@keyframes pop{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* persona 选择格 */
.persona-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.persona-cell{
  border:1px solid var(--line);border-radius:var(--radius-s);background:#fdfbf6;
  padding:12px 8px;text-align:center;cursor:pointer;
}
.persona-cell:hover{background:var(--card2)}
.persona-cell.on{border-color:var(--accent);background:var(--accent-bg)}
.persona-cell .nm{font-size:13.5px;font-weight:600;color:var(--ink);margin-top:8px}
.persona-cell .ds{font-size:11px;color:var(--muted)}

/* 评分中动画 */
.scoring{display:flex;flex-direction:column;align-items:center;gap:14px;padding:26px 0}
.scoring .ring{width:46px;height:46px;border-radius:50%;border:3px solid var(--line2);border-top-color:var(--accent);animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- 响应式 ---------- */
@media (max-width: 960px){
  .shell{grid-template-columns:1fr}
  .sidenav{display:none}
  .main{padding:20px 16px 108px}
  .bottomnav{
    display:grid;grid-template-columns:repeat(5,1fr);
    position:fixed;left:0;right:0;bottom:0;z-index:60;
    background:rgba(250,247,239,.96);backdrop-filter:blur(8px);
    border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom));
  }
  .bottomnav .nav-item{flex-direction:column;gap:3px;padding:7px 2px;font-size:10.5px;border-radius:10px;justify-content:center;align-items:center}
  .bottomnav .ic{width:20px;height:20px}
  .th-grid{grid-template-columns:1fr}
  .conv-list{max-height:none;display:flex;overflow-x:auto;gap:6px;padding-bottom:4px}
  .conv-item{flex:0 0 auto;border:1px solid var(--line);border-radius:999px;padding:6px 12px}
  .conv-item .ds{display:none}
  .chat-card{min-height:60vh;max-height:none}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .score-grid{grid-template-columns:repeat(5,1fr);gap:6px}
  .modal{padding:20px 18px}
  .topbar{padding:10px 14px}
}
@media (max-width: 560px){
  .brand-sub{display:none}
  .tier-chip{max-width:108px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .topbar{gap:8px}
  .persona-grid{grid-template-columns:repeat(2,1fr)}
  .diary-item{grid-template-columns:52px minmax(0,1fr);}
  .diary-item .badges{grid-column:2}
}

/* ---------- 登录 / 注册（全屏浮层） ---------- */
#authRoot{display:none}
#authRoot.open{display:block}
.auth-wrap{position:fixed;inset:0;z-index:100;background:var(--bg);
  display:flex;align-items:center;justify-content:center;padding:24px}
.auth-card{width:100%;max-width:400px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:40px 36px 30px;box-shadow:0 1px 2px rgba(36,31,24,.05)}
.auth-logo{font-family:var(--serif);font-size:30px;font-weight:600;letter-spacing:.32em;
  color:var(--ink);text-align:center;padding-left:.32em}
.auth-slogan{font-size:12px;color:var(--muted);letter-spacing:.22em;text-align:center;margin-top:8px}
.auth-tabs{display:flex;gap:26px;justify-content:center;margin:26px 0 6px;border-bottom:1px solid var(--line2)}
.auth-tab{font-size:15px;color:var(--muted);padding:8px 2px 12px;cursor:pointer;letter-spacing:.1em}
.auth-tab.on{color:var(--accent-deep);border-bottom:2px solid var(--accent);font-weight:600}
.auth-msg{display:none;font-size:13px;color:var(--accent-deep);background:var(--accent-bg);
  border:1px solid #e6cdc2;border-radius:6px;padding:8px 12px;margin:14px 0 0}
.auth-field{margin-top:16px}
.auth-field .lb{font-size:12.5px;color:var(--muted);margin-bottom:5px}
.auth-submit{width:100%;margin-top:24px;padding:11px 0;font-size:15.5px;letter-spacing:.2em}
.auth-hint{font-size:11.5px;color:var(--muted);text-align:center;margin-top:16px;letter-spacing:.03em}

/* ---------- 邀请码门槛（模仿师Master：未验证前遮挡全站） ---------- */
#inviteRoot{display:none}
#inviteRoot.open{display:block}
#inviteRoot .auth-wrap{z-index:120}