/* 点亮计划 v2 — 灯阵：一个成就一盏灯，点亮 = 暖光。浅色是纸，深色是夜。 */
:root{
  --bg:#F4F2ED; --bg2:#FAF9F6; --card:#FFFFFF; --surface:#F0EDE6; --sunk:#E8E4DB;
  --line:rgba(45,35,20,.09); --line2:rgba(45,35,20,.17);
  --fg:#1C1914; --fg2:#433C32; --muted:#7A7265; --faint:#A39B8E;
  --tile:#E0DBD0;
  --lamp:#F2A93B; --lamp2:#FFD27A; --lamp-deep:#D9830D; --lamp-text:#A35E00; --lamp-ink:#2B1A00;
  --glow:rgba(242,169,59,.55); --glow-soft:rgba(242,169,59,.12);
  --ok:#2E8A57; --warn:#C24A30; --scrim:rgba(24,18,10,.38);
  --bar-bg:rgba(250,249,246,.86);
  --shadow:0 1px 2px rgba(40,28,8,.04),0 8px 24px -12px rgba(40,28,8,.14);
  --shadow-lg:0 30px 70px -24px rgba(30,20,5,.42);
  --mark-l:38%; --mark-bg-a:.12;
  --f-ui:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --f-display:"Songti SC","Noto Serif SC","Source Han Serif SC","STSong","SimSun",serif;
  --f-num:ui-rounded,"SF Pro Rounded",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;
  --r:18px;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#0F1013; --bg2:#15161B; --card:#1A1C21; --surface:#22242A; --sunk:#0B0C0F;
  --line:rgba(255,255,255,.07); --line2:rgba(255,255,255,.14);
  --fg:#EEEAE2; --fg2:#CFC9BE; --muted:#968F84; --faint:#6A655C;
  --tile:#2A2C33;
  --lamp:#FFB940; --lamp2:#FFDA8A; --lamp-deep:#E08D12; --lamp-text:#FFC45E; --lamp-ink:#2B1A00;
  --glow:rgba(255,185,64,.62); --glow-soft:rgba(255,185,64,.09);
  --ok:#5BC48A; --warn:#F07C62; --scrim:rgba(0,0,0,.58);
  --bar-bg:rgba(21,22,27,.84);
  --shadow:0 1px 0 rgba(255,255,255,.035) inset,0 10px 28px -16px rgba(0,0,0,.7);
  --shadow-lg:0 30px 80px -20px rgba(0,0,0,.8);
  --mark-l:72%; --mark-bg-a:.16;
  color-scheme:dark;
}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.55 var(--f-ui);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-tap-highlight-color:transparent;min-height:100vh;min-height:100dvh}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
a{color:inherit;text-decoration:none}
img,svg{display:block}
h1,h2,h3,p{margin:0}
:focus{outline:none}
:focus-visible{outline:2px solid var(--lamp);outline-offset:2px;border-radius:8px}
.num{font-family:var(--f-num);font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.sm{font-size:13px}
[hidden]{display:none!important}
svg[aria-hidden]{flex:none}

/* ---------- app shell & nav ---------- */
.view{max-width:1000px;margin:0 auto;padding:calc(env(safe-area-inset-top) + 18px) max(16px,env(safe-area-inset-right)) 40px max(16px,env(safe-area-inset-left));min-height:100vh}
.nav{z-index:20}
.nav-items a{display:flex;align-items:center;color:var(--muted);position:relative;transition:color .15s,background .15s}
.nav-items a svg{width:24px;height:24px}
.nav-items a[aria-current="page"]{color:var(--lamp-text)}
.nav-items .dot{position:absolute;min-width:16px;height:16px;padding:0 4px;border-radius:8px;background:var(--lamp);color:var(--lamp-ink);font:600 10px/16px var(--f-num);text-align:center}

@media (max-width: 899px){
  .nav{position:fixed;left:0;right:0;bottom:0;background:var(--bar-bg);-webkit-backdrop-filter:saturate(1.8) blur(20px);backdrop-filter:saturate(1.8) blur(20px);border-top:.5px solid var(--line2);padding:5px max(6px,env(safe-area-inset-right)) calc(4px + env(safe-area-inset-bottom)) max(6px,env(safe-area-inset-left))}
  .nav-brand,.nav-foot{display:none}
  .nav-items{display:flex;max-width:560px;margin:0 auto}
  .nav-items a{flex:1;flex-direction:column;gap:1px;padding:4px 0 2px;font-size:10.5px;font-weight:500;letter-spacing:.02em}
  .nav-items .dot{top:0;left:calc(50% + 6px)}
  .view{padding-bottom:calc(92px + env(safe-area-inset-bottom))}
}
@media (min-width: 900px){
  .app{display:grid;grid-template-columns:236px minmax(0,1fr)}
  .nav{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:22px;padding:26px 14px 20px;border-right:1px solid var(--line);background:var(--bg2)}
  .nav-brand{display:flex;align-items:center;gap:10px;padding:0 10px;font:700 21px/1 var(--f-display);letter-spacing:.06em}
  .nav-brand img{border-radius:8px}
  .nav-items{display:grid;gap:2px}
  .nav-items a{gap:12px;padding:10px 12px;border-radius:12px;font-size:15px;font-weight:500}
  .nav-items a svg{width:21px;height:21px}
  .nav-items a:hover{background:var(--surface);color:var(--fg)}
  .nav-items a[aria-current="page"]{background:var(--card);color:var(--fg);box-shadow:var(--shadow)}
  .nav-items a[aria-current="page"] svg{color:var(--lamp-deep)}
  .nav-items .dot{position:static;margin-left:auto}
  .nav-foot{margin-top:auto;display:grid;gap:10px}
  .view{padding:36px 40px 64px}
  .top .icon-btn{display:none}
}
.nav-mini{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:12px 14px;display:grid;gap:8px}
.nav-mini .lvrow{display:flex;align-items:baseline;gap:8px}
.nav-mini .lvrow b{font:700 17px var(--f-num);color:var(--lamp-text)}
.nav-mini .lvrow span{font:600 14px var(--f-display)}
.nav-mini .lvrow small{margin-left:auto;font-size:12px;color:var(--muted)}
.nav-set{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border-radius:12px;border:0;background:none;color:var(--muted);font-size:14.5px}
.nav-set:hover{background:var(--surface);color:var(--fg)}
.nav-set svg{width:20px;height:20px}

/* ---------- page headers ---------- */
.top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:18px}
.eyebrow{font-size:12.5px;letter-spacing:.12em;color:var(--muted)}
.brand{font:900 clamp(34px,9vw,46px)/1.1 var(--f-display);letter-spacing:.08em;margin-top:4px}
.page-h{margin:4px 0 18px}
.page-h h1{font:800 clamp(28px,7.5vw,36px)/1.15 var(--f-display);letter-spacing:.05em}
.page-sub{margin-top:6px;color:var(--muted);font-size:14px}
.icon-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:var(--card);display:grid;place-items:center;color:var(--fg2);box-shadow:var(--shadow);flex:none}
.icon-btn svg{width:20px;height:20px}
.back{display:inline-flex;align-items:center;gap:2px;color:var(--lamp-text);font-size:15px;font-weight:500;margin:0 0 12px -6px;padding:6px 8px 6px 2px;border-radius:10px}
.back svg{width:20px;height:20px}

/* ---------- sections ---------- */
.block{margin-top:30px}
.sec-h{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin:0 2px 12px}
.sec-h h2{font:800 20px/1.25 var(--f-display);letter-spacing:.04em}
.sec-note{font-size:12.5px;color:var(--muted)}
.sec-sub{margin:-6px 2px 12px;font-size:13px;color:var(--muted)}
.link{background:none;border:0;padding:4px 2px;color:var(--lamp-text);font-size:14px;font-weight:500;display:inline-flex;align-items:center;gap:4px}
.link svg{width:15px;height:15px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.empty{color:var(--muted);font-size:14px;text-align:center;padding:28px 16px}
.empty.sm{padding:14px 16px;text-align:left;font-size:13px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-radius:26px;padding:22px 22px 18px;color:#F5EFE4;
  background:radial-gradient(90% 120% at 12% -10%,rgba(255,190,90,.30),transparent 55%),radial-gradient(70% 90% at 110% 120%,rgba(255,150,40,.16),transparent 60%),linear-gradient(165deg,#28221B 0%,#15120E 75%);
  box-shadow:var(--shadow-lg);display:grid;grid-template-columns:auto minmax(0,1fr);gap:18px 22px;align-items:center;isolation:isolate}
:root[data-theme="dark"] .hero{border:1px solid rgba(255,220,160,.08)}
.hero::before{content:"";position:absolute;inset:0;z-index:-1;opacity:.5;background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1.2px);background-size:14px 14px;-webkit-mask-image:linear-gradient(120deg,transparent 30%,#000 100%);mask-image:linear-gradient(120deg,transparent 30%,#000 100%)}
.ring{position:relative;width:132px;height:132px}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring .trk{fill:none;stroke:rgba(255,255,255,.10);stroke-width:9}
.ring .val{fill:none;stroke:url(#rg);stroke-width:9;stroke-linecap:round;filter:drop-shadow(0 0 5px rgba(255,190,90,.65));transition:stroke-dashoffset .8s cubic-bezier(.2,.8,.2,1)}
.ring-c{position:absolute;inset:0;display:grid;place-content:center;text-align:center;line-height:1.1}
.ring-c b{font-size:34px;font-weight:700;color:#FFE2A3;text-shadow:0 0 18px rgba(255,190,90,.45)}
.ring-c span{font-size:12px;color:rgba(245,239,228,.6);margin-top:3px}
.hero-side{display:grid;gap:8px;min-width:0}
.lv{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.lv-n{font-size:28px;font-weight:700;color:#FFC75A}
.lv-stage{font:800 21px/1.2 var(--f-display);letter-spacing:.06em}
.xpbar{height:8px;border-radius:4px;background:rgba(255,255,255,.12);overflow:hidden}
.xpbar i{display:block;height:100%;border-radius:4px;background:linear-gradient(90deg,#F2A93B,#FFE29A);box-shadow:0 0 10px rgba(255,190,90,.7);transition:width .6s cubic-bezier(.2,.8,.2,1);min-width:4px}
.xp-meta{font-size:12.5px;color:rgba(245,239,228,.72)}
.xp-meta.dim{color:rgba(245,239,228,.5)}
.hero-stats{grid-column:1/-1;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin:4px 0 0;padding-top:14px;border-top:1px solid rgba(255,255,255,.09)}
.hero-stats div{min-width:0}
.hero-stats dt{font-size:11.5px;color:rgba(245,239,228,.55);white-space:nowrap}
.hero-stats dd{margin:2px 0 0;font-size:22px;font-weight:650;line-height:1.2;white-space:nowrap}
.hero-stats small{font-size:11px;font-weight:500;color:rgba(245,239,228,.5);margin-left:4px}
@media (max-width:420px){.mosaic{padding:16px 14px;gap:14px 14px}}
@media (max-width:380px){.ring{width:112px;height:112px}.ring-c b{font-size:28px}.hero{padding:18px 16px 16px;gap:14px 16px}.hero-stats dd{font-size:19px}}

/* ---------- install card ---------- */
.install{display:flex;gap:14px;align-items:center;padding:14px 14px 14px 16px;margin-bottom:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.install img{width:44px;height:44px;border-radius:11px;flex:none}
.install-t{flex:1;min-width:0;font-size:13.5px;color:var(--fg2)}
.install-t b{display:block;font-size:15px;color:var(--fg);margin-bottom:2px}
.install-t svg{display:inline-block;width:16px;height:16px;vertical-align:-3px;color:#2F7BF6}
.install .x{align-self:flex-start}
.orb-sm{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;flex:none;background:var(--glow-soft);color:var(--lamp-text)}
.orb-sm svg{width:22px;height:22px}
.backup-acts{display:flex;flex-direction:column;gap:6px;flex:none}

/* ---------- category marks ---------- */
.mark{--s:58%;display:inline-grid;place-items:center;flex:none;width:40px;height:40px;border-radius:12px;font:800 19px/1 var(--f-display);color:hsl(var(--h) var(--s) var(--mark-l));background:hsl(var(--h) var(--s) 50% / var(--mark-bg-a))}
.mark.xs{width:20px;height:20px;border-radius:6px;font-size:11.5px}
.mark.xl{width:62px;height:62px;border-radius:19px;font-size:31px}

/* ---------- suggestions ---------- */
.suggest{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(260px,84%);gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;margin:0 calc(-1 * max(16px,env(safe-area-inset-left))) 0 calc(-1 * max(16px,env(safe-area-inset-left)));padding:2px max(16px,env(safe-area-inset-left)) 10px;scroll-padding-inline:max(16px,env(safe-area-inset-left));scrollbar-width:none}
.suggest::-webkit-scrollbar{display:none}
@media (min-width:720px){.suggest{grid-auto-flow:row;grid-template-columns:repeat(2,minmax(0,1fr));overflow:visible;margin:0;padding:0}}
.sg{scroll-snap-align:start;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding:14px 14px 14px 16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.sg-body{display:grid;gap:5px;text-align:left;background:none;border:0;padding:0;min-width:0}
.crumb{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sg-name{font-size:16px;font-weight:650;line-height:1.35}
.sg-crit{font-size:13px;color:var(--muted);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- mosaic ---------- */
.mosaic{display:grid;grid-template-columns:repeat(auto-fill,minmax(136px,1fr));gap:16px 18px;padding:18px;background:var(--card);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}
:root[data-theme="dark"] .mosaic{background:linear-gradient(180deg,var(--card),var(--bg2))}
.mz{display:grid;gap:7px;align-content:start;padding:6px;margin:-6px;border-radius:12px;transition:background .15s}
.mz:hover{background:var(--surface)}
.mz-h{display:flex;align-items:center;gap:7px;font-size:12.5px;font-weight:500;color:var(--fg2);min-width:0}
.mz-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mz-h b{margin-left:auto;font-size:11.5px;font-weight:500;color:var(--muted)}
.tiles{display:flex;flex-wrap:wrap;gap:2.5px}
.t{width:7px;height:7px;border-radius:2px;background:var(--tile)}
.t.on{background:var(--lamp);box-shadow:0 0 5px var(--glow)}

/* ---------- lists & item rows ---------- */
.list{display:grid}
.item{display:grid;grid-template-columns:auto minmax(0,1fr);gap:13px;align-items:start;padding:13px 16px;border-top:1px solid var(--line);transition:background .3s}
.list > .item:first-child{border-top:0}
.item.lit{background:linear-gradient(90deg,var(--glow-soft),transparent 70%)}
.item-body{display:grid;gap:3px;text-align:left;background:none;border:0;padding:1px 0 0;min-width:0}
.item-name{font-size:15.5px;font-weight:600;line-height:1.4}
.item-crit{font-size:13.5px;color:var(--muted);line-height:1.55;text-wrap:pretty}
.tier{color:var(--lamp-text);font-size:11px;letter-spacing:1px;margin-left:6px;white-space:nowrap;font-weight:500;vertical-align:1px}
.tags{display:flex;flex-wrap:wrap;gap:5px;margin-top:3px}
.tag{font-size:11px;line-height:18px;padding:0 7px;border-radius:6px;background:var(--surface);color:var(--muted);white-space:nowrap}
.tag.due{background:rgba(194,74,48,.12);color:var(--warn)}
.tag.q{background:var(--glow-soft);color:var(--lamp-text)}
.list-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}

/* ---------- lamp toggle ---------- */
.lamp{--s:38px;position:relative;width:var(--s);height:var(--s);flex:none;border-radius:12px;border:1.5px dashed var(--line2);background:var(--surface);display:grid;place-items:center;padding:0;transition:transform .15s,background .3s,box-shadow .3s,border-color .3s;touch-action:manipulation}
.lamp:hover{border-color:var(--lamp)}
.lamp:active{transform:scale(.9)}
.pips{display:flex;gap:3px}
.pips i{width:5px;height:5px;border-radius:50%;background:var(--muted);opacity:.5}
.lamp.on{border:1px solid rgba(255,210,130,.6);background:radial-gradient(circle at 50% 30%,#FFF0C4 0%,var(--lamp2) 28%,var(--lamp) 62%,var(--lamp-deep) 100%);box-shadow:0 4px 14px -3px var(--glow),0 0 22px -6px var(--glow)}
.lamp.on .pips i{background:var(--lamp-ink);opacity:.7}
.lamp.sm{--s:28px;border-radius:9px}
.lamp.lg{--s:52px;border-radius:16px}
.lamp.ignite{animation:ignite .7s cubic-bezier(.2,.9,.3,1.4)}
.lamp.ignite::after{content:"";position:absolute;inset:-1px;border-radius:inherit;border:2px solid var(--lamp);animation:ring .8s ease-out forwards;pointer-events:none}
@keyframes ignite{0%{transform:scale(.78);filter:brightness(1.6)}45%{transform:scale(1.16)}100%{transform:scale(1);filter:none}}
@keyframes ring{from{opacity:.9;transform:scale(1)}to{opacity:0;transform:scale(2.2)}}
.burst{position:fixed;z-index:70;width:0;height:0;pointer-events:none}
.burst i{position:absolute;left:-3px;top:-3px;width:6px;height:6px;border-radius:50%;background:var(--lamp2);box-shadow:0 0 8px var(--lamp);animation:spark .75s cubic-bezier(.15,.7,.3,1) forwards}
@keyframes spark{from{transform:rotate(var(--a)) translateY(0) scale(1);opacity:1}to{transform:rotate(var(--a)) translateY(calc(-1 * var(--d))) scale(.3);opacity:0}}

/* ---------- toolbar / chips / forms ---------- */
.toolbar{position:sticky;top:0;z-index:8;display:grid;gap:10px;margin:0 calc(-1 * max(16px,env(safe-area-inset-left)));padding:10px max(16px,env(safe-area-inset-left)) 12px;background:var(--bar-bg);-webkit-backdrop-filter:saturate(1.8) blur(18px);backdrop-filter:saturate(1.8) blur(18px);border-bottom:.5px solid transparent}
@media (min-width:900px){.toolbar{margin:0 -40px;padding:12px 40px}}
.toolbar.stuck{border-bottom-color:var(--line2)}
.search{position:relative;display:block}
.search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--muted);pointer-events:none}
.search input{padding-left:38px;border-radius:14px;background:var(--card)}
.chips{display:flex;gap:7px;overflow-x:auto;scrollbar-width:none;margin:0 calc(-1 * max(16px,env(safe-area-inset-left)));padding:0 max(16px,env(safe-area-inset-left))}
@media (min-width:900px){.chips{margin:0;padding:0;flex-wrap:wrap}}
.chips::-webkit-scrollbar{display:none}
.chip-btn{flex:none;height:32px;padding:0 13px;border-radius:16px;border:1px solid var(--line2);background:var(--card);font-size:13.5px;font-weight:500;color:var(--fg2);white-space:nowrap;transition:all .15s}
.chip-btn.on{background:var(--fg);border-color:var(--fg);color:var(--bg)}
.chip-btn small{font-family:var(--f-num);font-size:11.5px;opacity:.65;margin-left:4px}
input,select,textarea{font-size:16px;width:100%;color:var(--fg);background:var(--card);border:1px solid var(--line2);border-radius:12px;padding:11px 13px;-webkit-appearance:none;appearance:none;transition:border-color .15s,box-shadow .15s}
input:focus,select:focus,textarea:focus{border-color:var(--lamp);box-shadow:0 0 0 3px var(--glow-soft)}
input[type="date"]{min-height:46px}
input[type="search"]::-webkit-search-cancel-button{-webkit-appearance:none;appearance:none}
select{background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) 52%,calc(100% - 13px) 52%;background-size:5px 5px;background-repeat:no-repeat;padding-right:34px}
textarea{resize:vertical;line-height:1.6;min-height:90px}
.f{display:grid;gap:6px;font-size:13px;font-weight:500;color:var(--muted)}
.lbl{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--muted)}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.rules{display:flex;gap:10px;align-items:flex-start;margin:6px 2px 16px;font-size:13px;color:var(--muted);line-height:1.6}
.rules::before{content:"";flex:none;width:3px;align-self:stretch;border-radius:2px;background:var(--lamp);box-shadow:0 0 6px var(--glow)}
.found{margin:4px 2px 10px;font-size:13px;color:var(--muted)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:42px;padding:9px 16px;border-radius:13px;border:1px solid var(--line2);background:var(--card);color:var(--fg);font-size:14.5px;font-weight:600;line-height:1.2;text-align:center;transition:transform .12s,background .15s,border-color .15s;touch-action:manipulation}
.btn:hover{border-color:var(--faint)}
.btn:active{transform:scale(.97)}
.btn svg{width:17px;height:17px}
.btn.primary{border-color:transparent;background:linear-gradient(180deg,var(--lamp2),var(--lamp));color:var(--lamp-ink);box-shadow:0 8px 20px -8px var(--glow)}
.btn.dark{border-color:transparent;background:var(--fg);color:var(--bg)}
.btn.ghost{background:transparent}
.btn.danger{color:var(--warn);border-color:currentColor;background:transparent}
.btn.sm{min-height:34px;padding:6px 12px;font-size:13px;border-radius:10px}
.btn.block{width:100%;min-height:50px;font-size:16px;border-radius:15px}
.btn:disabled{opacity:.45;pointer-events:none}
.add-row{display:flex;justify-content:center;margin-top:18px}
.add-here{display:block;width:100%;padding:12px 16px;border:0;border-top:1px solid var(--line);background:none;text-align:left;color:var(--lamp-text);font-size:14px;font-weight:500}

/* ---------- category cards (tree) ---------- */
.cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:12px}
.cc{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:3px 13px;align-items:center;padding:15px 16px 14px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);transition:transform .15s,border-color .15s}
.cc:hover{border-color:var(--line2)}
.cc:active{transform:scale(.985)}
.cc .mark{grid-row:span 2}
.cc-name{font-size:16.5px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cc-count{font-size:13px;color:var(--muted);text-align:right}
.cc-count b{color:var(--fg);font-weight:650}
.cc-desc{grid-column:2/-1;font-size:12.5px;color:var(--muted);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cc .pbar{grid-column:1/-1;margin-top:10px}
.pbar{height:5px;border-radius:3px;background:var(--tile);overflow:hidden}
.pbar i{display:block;height:100%;border-radius:3px;background:linear-gradient(90deg,var(--lamp-deep),var(--lamp2));box-shadow:0 0 6px var(--glow)}
.rg-h{display:flex;align-items:center;gap:7px;margin:18px 2px 8px;font-size:13px;font-weight:600;color:var(--fg2)}
.rg-h:first-of-type{margin-top:4px}

/* ---------- category page ---------- */
.cat-hero{display:grid;grid-template-columns:auto minmax(0,1fr);gap:6px 16px;align-items:center;margin-bottom:16px}
.cat-hero .mark{grid-row:span 2}
.cat-hero h1{font:800 clamp(26px,7vw,34px)/1.15 var(--f-display);letter-spacing:.04em}
.cat-hero .cat-stat{font-size:13.5px;color:var(--muted)}
.cat-hero .cat-stat b{color:var(--fg);font-weight:650}
.cat-desc{grid-column:1/-1;margin-top:8px;color:var(--fg2);font-size:14.5px;line-height:1.65}
.cat-hero .pbar{grid-column:1/-1;margin-top:10px;height:6px}
.cat-ctl{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:4px 0 4px}
.cat-ctl .chips{margin:0;padding:0}
.br{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);margin-top:10px;overflow:hidden;transition:opacity .2s}
.br-h{width:100%;display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:8px 10px;align-items:center;padding:14px 16px;background:none;border:0;text-align:left}
.br-name{font-size:16px;font-weight:700}
.br-count{font-size:13px;color:var(--muted)}
.chev{width:18px;height:18px;color:var(--faint);transition:transform .2s}
.br-h[aria-expanded="true"] .chev{transform:rotate(90deg)}
.br-strip{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:3px}
.br-meta{grid-column:1/-1;margin-top:-6px;font-size:12.5px;color:var(--muted)}
.br.none{opacity:.55}
.br-hint{margin:6px 2px 0;font-size:12.5px;color:var(--faint)}
.br.open{border-color:var(--line2)}
.br-strip .t{width:10px;height:10px;border-radius:3px}
.br .list{border-top:1px solid var(--line)}

/* ---------- problems ---------- */
.pform{padding:16px;display:grid;gap:10px}
.pform h2{font:800 18px var(--f-display)}
.pcard{display:grid;grid-template-columns:auto minmax(0,1fr);gap:12px;width:100%;padding:14px 16px;border:0;border-top:1px solid var(--line);background:none;text-align:left}
.list-card > .pcard:first-child{border-top:0}
.pcard.on{background:linear-gradient(90deg,var(--glow-soft),transparent 70%)}
.pc-body{display:grid;gap:3px;min-width:0}
.pc-title{font-size:15.5px;font-weight:600}
.pc-meta{font-size:12px;color:var(--muted)}
.pc-detail{font-size:13.5px;color:var(--fg2);line-height:1.55;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.sec-count{font:500 14px var(--f-num);color:var(--muted);margin-left:6px}

/* ---------- log ---------- */
.kpi4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
@media (max-width:520px){.kpi4{grid-template-columns:repeat(2,minmax(0,1fr))}}
.kpi{padding:14px 16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.kpi dt{font-size:12px;color:var(--muted)}
.kpi dd{margin:4px 0 0;font-size:26px;font-weight:700;line-height:1.1}
.kpi small{font-size:12px;font-weight:500;color:var(--muted);margin-left:3px}
.heat-card{padding:16px 16px 12px}
.heat-scroll{overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.heat-scroll::-webkit-scrollbar{display:none}
.heat-grid{display:grid;grid-template-columns:18px auto;gap:4px 6px;width:max-content}
.heat-months{grid-column:2;display:grid;grid-auto-flow:column;grid-auto-columns:13px;gap:3px;height:16px;font-size:10.5px;color:var(--muted)}
.heat-months span{white-space:nowrap}
.heat-days{display:grid;grid-template-rows:repeat(7,13px);gap:3px;font-size:10px;color:var(--faint);line-height:13px}
.heat{display:grid;grid-auto-flow:column;grid-template-rows:repeat(7,13px);grid-auto-columns:13px;gap:3px}
.heat i{border-radius:3.5px;background:var(--tile)}
.heat i.fut{background:transparent}
.heat i.l1{background:rgba(242,169,59,.32)}
.heat i.l2{background:rgba(242,169,59,.58)}
.heat i.l3{background:var(--lamp)}
.heat i.l4{background:var(--lamp2);box-shadow:0 0 6px var(--glow)}
.heat i.today{outline:1.5px solid var(--fg2);outline-offset:-1.5px}
.heat-legend{display:flex;align-items:center;gap:6px;justify-content:flex-end;margin-top:10px;font-size:11.5px;color:var(--muted)}
.heat-legend .heat{grid-template-rows:11px;grid-auto-columns:11px}
.catbars{padding:6px 16px}
.cb{display:grid;grid-template-columns:auto minmax(0,7em) minmax(0,1fr) auto;gap:10px;align-items:center;padding:9px 0;border-top:1px solid var(--line);font-size:13.5px}
.cb:first-child{border-top:0}
.cb-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500}
.cb .pbar{height:7px}
.cb-v{font-size:12.5px;color:var(--muted);min-width:5.5em;text-align:right}
.tl{display:grid;gap:4px}
.tl-day{display:grid;grid-template-columns:5.6em minmax(0,1fr);gap:14px;padding:12px 16px;border-top:1px solid var(--line)}
.tl-day:first-child{border-top:0}
@media (max-width:520px){.tl-day{grid-template-columns:4.2em minmax(0,1fr);gap:10px;padding:12px 14px}}
.tl-date{font:600 13px/1.6 var(--f-num);color:var(--muted)}
.tl-date small{display:block;font:500 11.5px var(--f-ui);color:var(--faint)}
.tl ul{list-style:none;margin:0;padding:0;display:grid;gap:7px}
.tl li[role="button"]{cursor:pointer}
.tl li{display:flex;gap:8px;align-items:baseline;font-size:14px;min-width:0}
.tl li b{flex:none;font-size:11.5px;font-weight:600;padding:0 7px;border-radius:6px;line-height:19px;background:var(--glow-soft);color:var(--lamp-text)}
.tl li b.k-rv{background:rgba(46,138,87,.12);color:var(--ok)}
.tl li b.k-p{background:var(--surface);color:var(--muted)}
.tl li span{color:var(--muted);font-size:12px;white-space:nowrap}
.tl li .tl-t{min-width:0;color:var(--fg);font-size:14px;white-space:normal}

/* ---------- badges ---------- */
.ladder{display:flex;gap:0;overflow-x:auto;scrollbar-width:none;padding:18px 16px 16px}
.ladder::-webkit-scrollbar{display:none}
.stp{position:relative;flex:1 0 84px;display:grid;justify-items:center;gap:4px;text-align:center}
.stp::before{content:"";position:absolute;top:8px;left:-50%;right:50%;height:2px;background:var(--tile)}
.stp:first-child::before{display:none}
.stp.done::before{background:linear-gradient(90deg,var(--lamp-deep),var(--lamp));box-shadow:0 0 6px var(--glow)}
.stp .dot{position:relative;width:18px;height:18px;border-radius:50%;background:var(--card);border:2px solid var(--tile)}
.stp.done .dot{border:0;background:radial-gradient(circle at 40% 35%,#FFF0C4,var(--lamp) 60%,var(--lamp-deep));box-shadow:0 0 10px var(--glow)}
.stp.cur .dot{transform:scale(1.35);box-shadow:0 0 0 4px var(--glow-soft),0 0 14px var(--glow)}
.stp b{font:700 13.5px var(--f-display);white-space:nowrap;margin-top:4px}
.stp span{font-size:11px;color:var(--muted);white-space:nowrap}
.stp:not(.done) b{color:var(--muted)}
.badges{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:12px}
.bdg{display:grid;gap:8px;align-content:start;padding:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.orb{width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:var(--surface);border:1.5px dashed var(--line2);color:var(--faint)}
.orb svg{width:22px;height:22px}
.bdg.on .orb{border:0;color:var(--lamp-ink);background:radial-gradient(circle at 38% 30%,#FFF3D0 0%,var(--lamp2) 30%,var(--lamp) 62%,var(--lamp-deep) 100%);box-shadow:0 0 26px -4px var(--glow)}
.bdg-n{font-size:15px;font-weight:700;margin-top:2px}
.bdg-d{font-size:12.5px;color:var(--muted);line-height:1.5}
.bdg .pbar{height:4px;margin-top:2px}
.bdg-p{font-size:11.5px;color:var(--muted)}
.bdg.on .bdg-p{color:var(--lamp-text);font-weight:600}
.xp-rules{margin-top:16px;padding:14px 16px;font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- sheet ---------- */
.scrim{position:fixed;inset:0;z-index:40;background:var(--scrim);animation:fade .22s ease}
.sheet{position:fixed;z-index:41;left:0;right:0;bottom:0;max-height:calc(100% - env(safe-area-inset-top) - 28px);overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;background:var(--bg2);border-radius:24px 24px 0 0;padding:8px max(20px,env(safe-area-inset-right)) calc(28px + env(safe-area-inset-bottom)) max(20px,env(safe-area-inset-left));box-shadow:0 -12px 50px rgba(0,0,0,.22);animation:up .32s cubic-bezier(.2,.85,.25,1);display:grid;gap:16px;align-content:start}
.sheet.closing{animation:down .22s ease-in forwards}
.scrim.closing{animation:fade .22s ease reverse forwards}
.grab{width:38px;height:5px;border-radius:3px;background:var(--line2);margin:0 auto -4px}
@media (min-width:720px){
  .sheet{left:50%;right:auto;bottom:auto;top:50%;width:min(620px,calc(100vw - 48px));max-height:min(860px,calc(100vh - 64px));border-radius:24px;padding:24px 28px 28px;transform:translate(-50%,-50%);animation:pop .24s cubic-bezier(.2,.85,.25,1);border:1px solid var(--line)}
  .sheet.closing{animation:fade .16s ease reverse forwards}
  .grab{display:none}
}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes up{from{transform:translateY(100%)}to{transform:translateY(0)}}
@keyframes down{from{transform:translateY(var(--drag,0))}to{transform:translateY(100%)}}
@keyframes pop{from{opacity:0;transform:translate(-50%,-48%) scale(.97)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}
.sh-top{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:32px}
.x{width:32px;height:32px;border-radius:50%;border:0;background:var(--surface);color:var(--muted);display:grid;place-items:center;flex:none}
.x svg{width:16px;height:16px}
.sh-title{font:800 25px/1.3 var(--f-display);letter-spacing:.03em}
.sh-meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin-top:-8px;font-size:13px;color:var(--muted)}
.crit{padding:14px 16px;border-radius:16px;background:var(--card);border:1px solid var(--line);position:relative;overflow:hidden}
.crit::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--lamp);box-shadow:0 0 8px var(--glow)}
.crit p{margin-top:6px;font-size:15.5px;line-height:1.7;color:var(--fg)}
.state{display:grid;gap:12px;padding:16px;border-radius:16px;background:var(--card);border:1px solid var(--line)}
.state.on{background:linear-gradient(135deg,var(--glow-soft),transparent 70%),var(--card);border-color:rgba(242,169,59,.35)}
.state-h{display:flex;align-items:center;gap:12px}
.state-h b{font-size:16px}
.state-h p{font-size:13px;color:var(--muted)}
.two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.due-note{font-size:13.5px;color:var(--warn);line-height:1.6;padding:10px 12px;border-radius:12px;background:rgba(194,74,48,.09)}
.confirm{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13.5px;color:var(--fg2);padding:12px;border-radius:12px;background:var(--surface)}
.confirm span{flex:1 1 100%}
.ai{display:grid;gap:10px;padding:16px;border-radius:16px;background:var(--card);border:1px solid var(--line)}
.ai p{font-size:13px;color:var(--muted);line-height:1.6}
.ai .btn{padding:8px 10px;white-space:nowrap;font-size:14px}
.check{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:500;cursor:pointer}
.check input{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}
.check .box{width:22px;height:22px;flex:none;border-radius:7px;border:1.5px solid var(--line2);background:var(--card);display:grid;place-items:center;transition:all .15s}
.check input:checked + .box{background:var(--lamp);border-color:var(--lamp);box-shadow:0 0 10px -2px var(--glow)}
.check input:checked + .box::after{content:"";width:6px;height:11px;border:solid var(--lamp-ink);border-width:0 2.2px 2.2px 0;transform:translateY(-1px) rotate(45deg)}
.check input:focus-visible + .box{outline:2px solid var(--lamp);outline-offset:2px}
.check{position:relative}
.seg{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;gap:4px;padding:4px;border-radius:13px;background:var(--surface)}
.seg button,.seg label{display:grid;place-items:center;min-height:36px;border:0;border-radius:10px;background:none;font-size:14px;font-weight:500;color:var(--fg2);cursor:pointer}
.seg .on,.seg label:has(input:checked){background:var(--card);color:var(--fg);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.seg input{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px}
.set-g{display:grid;gap:10px}
.set-g h3{font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--muted)}
.set-g + .set-g{padding-top:18px;border-top:1px solid var(--line)}
.btn-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
@media (max-width:420px){.btn-grid{grid-template-columns:1fr}}
.steps{margin:0;padding-left:1.3em;display:grid;gap:4px;font-size:14px;color:var(--fg2)}
.steps svg{display:inline-block;width:16px;height:16px;vertical-align:-3px;color:#2F7BF6}
.mini{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:13px;color:var(--muted)}
.mini b{color:var(--fg);font-family:var(--f-num)}
.foot{font-size:12px;color:var(--faint);text-align:center}

/* ---------- toast & celebration ---------- */
.toast{position:fixed;z-index:80;left:0;right:0;margin-inline:auto;width:max-content;bottom:calc(84px + env(safe-area-inset-bottom));display:flex;align-items:center;gap:14px;max-width:calc(100vw - 28px);padding:11px 12px 11px 16px;border-radius:15px;background:#201C17;color:#F6F1E7;font-size:14px;box-shadow:0 14px 40px -12px rgba(0,0,0,.55);animation:toastIn .3s cubic-bezier(.2,.85,.25,1)}
:root[data-theme="dark"] .toast{background:#2C2E35;border:1px solid rgba(255,255,255,.08)}
.toast span{min-width:0}
.toast button{flex:none;border:0;background:rgba(255,210,122,.14);color:#FFD27A;font-weight:600;font-size:13.5px;padding:6px 11px;border-radius:9px}
@media (min-width:900px){.toast{bottom:28px;left:236px}}
@keyframes toastIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.celebrate{position:fixed;inset:0;z-index:90;display:grid;place-items:center;background:radial-gradient(circle at 50% 42%,rgba(70,45,10,.62),rgba(10,8,5,.86) 65%);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);animation:fade .3s ease;cursor:pointer}
.celebrate.out{animation:fade .45s ease reverse forwards}
.cele-card{display:grid;justify-items:center;gap:4px;color:#FFF3DA;text-align:center;animation:celePop .6s cubic-bezier(.2,.9,.3,1.4)}
.cele-orb{width:120px;height:120px;border-radius:50%;margin-bottom:14px;background:radial-gradient(circle at 40% 32%,#FFF6DD 0%,#FFD27A 28%,#F2A93B 60%,#C9720A 100%);box-shadow:0 0 60px 10px rgba(255,180,60,.55),0 0 140px 40px rgba(255,160,40,.25);animation:breathe 1.6s ease-in-out infinite}
.cele-k{font-size:14px;letter-spacing:.4em;opacity:.8}
.cele-lv{font-size:56px;font-weight:800;line-height:1.05;text-shadow:0 0 30px rgba(255,190,90,.7)}
.cele-st{font:800 26px var(--f-display);letter-spacing:.1em}
.cele-sub{font-size:13px;opacity:.7;margin-top:6px}
@keyframes celePop{from{opacity:0;transform:scale(.6)}to{opacity:1;transform:scale(1)}}
@keyframes breathe{50%{transform:scale(1.06);box-shadow:0 0 80px 16px rgba(255,180,60,.6),0 0 160px 50px rgba(255,160,40,.28)}}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}