/* 兔兔守护者 Bunny Guardian —— 移动优先样式，无外部依赖 */
:root{
  --bg:#faf7f8; --card:#fff; --line:#ece5e8; --ink:#2c2a2b; --muted:#7c7378;
  --accent:#b5486a; --accent-soft:#fbebf0; --teal:#2f7d76; --amber:#a9701a;
  --ok:#1f7a4d; --danger:#b3261e; --radius:14px;
  --shadow:0 1px 2px rgba(44,42,43,.05),0 6px 18px rgba(44,42,43,.05);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB",
       "Microsoft YaHei",system-ui,sans-serif;
  padding-bottom:calc(64px + env(safe-area-inset-bottom));
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.3;margin:0 0 .5em}
h1{font-size:1.4rem}
h2{font-size:1.12rem;margin-top:1.6em}
h3{font-size:1rem;margin-top:1.2em}
p{margin:.5em 0}
small,.muted{color:var(--muted)}
code{background:#f3eef0;padding:.1em .35em;border-radius:5px;font-size:.9em}

/* 顶栏 */
.topbar{
  position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;
  gap:8px;padding:10px 14px;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.brand{font-weight:600;color:var(--ink);font-size:.98rem;white-space:nowrap}
.topbar .userbox{position:relative}
.topbar summary{list-style:none;cursor:pointer;padding:6px 10px;border:1px solid var(--line);
  border-radius:999px;font-size:.85rem;background:#fff}
.topbar summary::-webkit-details-marker{display:none}
.menu{position:absolute;right:0;top:110%;min-width:150px;background:#fff;border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--shadow);padding:6px;display:flex;flex-direction:column}
.menu a,.menu button{padding:9px 10px;border-radius:8px;font-size:.92rem;text-align:left}
.menu a:hover{background:var(--accent-soft);text-decoration:none}
.linklike{background:none;border:0;color:var(--accent);cursor:pointer;font:inherit;padding:9px 10px}

/* 布局 */
.shell{max-width:1080px;margin:0 auto;display:flex;gap:22px;padding:16px 14px 40px}
.sidebar{display:none}
.content{flex:1;min-width:0}
.grid>*{min-width:0}
.center-page{max-width:420px;margin:0 auto;padding:40px 18px}
.tabbar{
  position:fixed;bottom:0;left:0;right:0;z-index:30;display:flex;overflow-x:auto;
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar a{
  flex:1 0 auto;min-width:64px;text-align:center;padding:11px 10px;font-size:.8rem;
  color:var(--muted);border-top:2px solid transparent
}
.tabbar a.on{color:var(--accent);border-top-color:var(--accent);font-weight:600}
@media (min-width:900px){
  body{padding-bottom:0}
  .tabbar{display:none}
  .sidebar{display:flex;flex-direction:column;gap:2px;width:158px;flex:0 0 158px;
    position:sticky;top:64px;align-self:flex-start}
  .sidebar a{padding:9px 12px;border-radius:10px;color:var(--ink);font-size:.94rem}
  .sidebar a:hover{background:#fff;text-decoration:none}
  .sidebar a.on{background:var(--accent-soft);color:var(--accent);font-weight:600}
}

/* 卡片 */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:16px;margin:14px 0}
.card>:first-child{margin-top:0}
.card h2{margin-top:0}
.grid{display:grid;gap:14px}
@media (min-width:700px){.grid.two{grid-template-columns:1fr 1fr}.grid.three{grid-template-columns:repeat(3,1fr)}}
.stat{display:flex;flex-direction:column;gap:2px}
.stat .v{font-size:1.5rem;font-weight:600;line-height:1.2}
.stat .k{font-size:.8rem;color:var(--muted)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:4px 12px;font-size:.94rem}
.kv dt{color:var(--muted)}

/* 徽标 */
.tag{display:inline-block;padding:2px 9px;border-radius:999px;font-size:.76rem;
  background:var(--accent-soft);color:var(--accent);margin:2px 4px 2px 0;white-space:nowrap}
.tag.grey{background:#f1eff0;color:var(--muted)}
.tag.ok{background:#e8f5ee;color:var(--ok)}
.tag.warn{background:#fdf3e3;color:var(--amber)}
.tag.danger{background:#fdecea;color:var(--danger)}

/* 阶段色 */
.phase-menstrual{--pc:#c8455f}
.phase-follicular{--pc:#6d8fc7}
.phase-ovulation{--pc:#2f9e8f}
.phase-luteal{--pc:#b58a3c}
.phase-unknown{--pc:#9a9196}

/* 表格 */
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -4px}
table{border-collapse:collapse;width:100%;font-size:.9rem}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;
  white-space:nowrap}
td.wrap,th.wrap{white-space:normal;min-width:180px}
th{color:var(--muted);font-weight:600;font-size:.82rem;background:#fcfafb;position:sticky;top:0}

/* 表单 */
form.inline{display:inline}
label{display:block;font-size:.84rem;color:var(--muted);margin:10px 0 4px}
input,select,textarea,button{font:inherit}
input[type=text],input[type=password],input[type=date],input[type=number],select,textarea{
  width:100%;padding:10px 11px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)
}
textarea{min-height:76px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}
.rowform{display:grid;gap:0 12px}
@media (min-width:700px){.rowform.c2{grid-template-columns:1fr 1fr}
  .rowform.c3{grid-template-columns:1fr 1fr 1fr}
  .rowform .span2{grid-column:span 2}}
.btn{display:inline-block;padding:10px 16px;border-radius:10px;border:1px solid var(--accent);
  background:var(--accent);color:#fff;cursor:pointer;font-size:.94rem;margin-top:12px}
.btn:hover{filter:brightness(1.05);text-decoration:none}
.btn.ghost{background:#fff;color:var(--accent)}
.btn.danger{border-color:#e6c9c6;background:#fff;color:var(--danger)}
.btn.small{padding:5px 10px;font-size:.82rem;margin:0}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:12px}

/* 提示 */
.flash{padding:10px 13px;border-radius:10px;margin:12px 0;font-size:.9rem;border:1px solid}
.flash.warn{background:#fdf3e3;border-color:#f0dcb6;color:#7d5410}
.flash.ok{background:#e8f5ee;border-color:#c3e2d1;color:var(--ok)}
.flash.err{background:#fdecea;border-color:#f3cdc8;color:var(--danger)}
.note{background:#fbf7f8;border-left:3px solid var(--accent-soft);padding:9px 12px;border-radius:0 8px 8px 0;
  font-size:.88rem;color:#5c5358;margin:12px 0}
.disclaimer{color:var(--muted);font-size:.78rem;text-align:center;margin:26px 6px 10px;line-height:1.5}

/* 日历 */
.calwrap{display:grid;gap:16px}
@media (min-width:760px){.calwrap{grid-template-columns:1.35fr 1fr}}
.calhead{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}
.calhead b{font-size:1rem}
.calgrid{display:grid;grid-template-columns:repeat(7,1fr);gap:3px}
.calgrid .dow{text-align:center;font-size:.74rem;color:var(--muted);padding:3px 0}
.day{position:relative;min-height:44px;border-radius:9px;border:1px solid transparent;background:#fbfafb;
  padding:4px 5px;cursor:pointer;display:flex;flex-direction:column;gap:2px}
.day .n{font-size:.8rem;color:var(--muted)}
.day.out{opacity:.32}
.day.today{border-color:var(--accent)}
.day.period{background:#fbe9ee}
.day.period .n{color:var(--accent);font-weight:600}
.day.fertile{background:#e8f5f2}
.day.predicted{background:repeating-linear-gradient(45deg,#fbe9ee,#fbe9ee 5px,#fdf3f5 5px,#fdf3f5 10px)}
.day .dots{display:flex;gap:2px;flex-wrap:wrap}
.dot{width:5px;height:5px;border-radius:50%;background:var(--accent)}
.dot.mood{background:#7a6fb0}.dot.flow{background:#c8455f}.dot.pain{background:#b3261e}
.dot.note{background:#9a9196}.dot.medication{background:#2f7d76}
.dot.temperature{background:#b58a3c}.dot.weight{background:#6d8fc7}.dot.spotting{background:#d98ca0}
.legend{display:flex;flex-wrap:wrap;gap:10px;font-size:.78rem;color:var(--muted);margin-top:10px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:4px;vertical-align:-1px}

/* Markdown 渲染 */
.doc{font-size:.97rem;overflow-wrap:anywhere}
.doc h1{font-size:1.3rem}
.doc h2{font-size:1.1rem;padding-bottom:.3em;border-bottom:1px solid var(--line)}
.doc h3{font-size:.98rem}
.doc ul,.doc ol{padding-left:1.3em}
.doc li{margin:.25em 0}
.doc blockquote{margin:.8em 0;padding:8px 12px;background:#fbf7f8;border-left:3px solid var(--accent-soft);
  border-radius:0 8px 8px 0;color:#5c5358;font-size:.9rem}
.doc table{font-size:.86rem}
.doc table td,.doc table th{white-space:normal}
.doc img{max-width:100%;height:auto}
.doc pre{overflow-x:auto;white-space:pre-wrap}
.doc hr{border:0;border-top:1px solid var(--line);margin:1.6em 0}

/* 问答 */
.chat{display:flex;flex-direction:column;gap:12px;margin:14px 0}
.msg{border-radius:12px;padding:11px 14px;font-size:.94rem;max-width:100%;overflow-wrap:anywhere}
.msg.user{background:var(--accent-soft);align-self:flex-end;max-width:88%}
.msg.assistant{background:#fff;border:1px solid var(--line)}
.msg .who{font-size:.74rem;color:var(--muted);margin-bottom:4px}
.msg pre{white-space:pre-wrap;word-break:break-word;margin:.3em 0;font:inherit}
.chatbar{position:sticky;bottom:calc(64px + env(safe-area-inset-bottom));background:var(--bg);
  padding:10px 0 4px;border-top:1px solid var(--line)}
@media (min-width:900px){.chatbar{bottom:0}}
.sesslist{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px}
.sesslist a{flex:0 0 auto;padding:6px 11px;border:1px solid var(--line);border-radius:999px;
  font-size:.84rem;color:var(--ink);background:#fff;max-width:190px;overflow:hidden;text-overflow:ellipsis;
  white-space:nowrap}
.sesslist a.on{border-color:var(--accent);background:var(--accent-soft);color:var(--accent)}
details.fold{margin:12px 0}
details.fold>summary{cursor:pointer;font-size:.9rem;color:var(--accent);padding:6px 0}
.empty{text-align:center;color:var(--muted);padding:26px 10px;font-size:.92rem}

/* 周期环（钟表式一圈） */
.ring-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.viewtoggle{display:inline-flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:#fff}
.viewtoggle a{padding:6px 13px;font-size:.82rem;color:var(--muted);white-space:nowrap}
.viewtoggle a:hover{text-decoration:none;background:#faf7f8}
.viewtoggle a.on{background:var(--accent-soft);color:var(--accent);font-weight:600}
.ringwrap{position:relative;width:100%;max-width:272px;margin:8px auto 14px}
.ring{display:block;width:100%;height:auto}
.ring path{transition:opacity .15s}
.ring path:hover{opacity:1}
.ring-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;
  justify-content:center;text-align:center;gap:2px;padding:0 24%;pointer-events:none}
.rc-phase{font-size:.96rem;font-weight:600;line-height:1.2}
.rc-day{font-size:.7rem;color:var(--muted);line-height:1.3}
.rc-next{font-size:.68rem;color:var(--muted);line-height:1.3;margin-top:1px}
.rc-next b{display:block;color:var(--accent);font-size:.95rem;font-weight:600;letter-spacing:.2px}
.rc-meta{text-align:center;font-size:.76rem;color:var(--muted);margin:-2px 0 12px;line-height:1.45}
.ringlegend{display:grid;gap:5px;margin-top:8px}
.rl{display:flex;align-items:baseline;gap:8px;font-size:.85rem;line-height:1.4}
.rl i{width:10px;height:10px;border-radius:3px;flex:0 0 auto;transform:translateY(1px)}
.rl .days{color:var(--muted);font-size:.78rem;margin-left:auto;white-space:nowrap;text-align:right}
@media (max-width:420px){ .rl .days{font-size:.74rem} }