:root{
  --ground:#ECEEF1; --surface:#FFFFFF; --raised:#F6F7F9; --sunk:#E3E6EA;
  --ink:#121721; --ink-2:#3A4250; --muted:#6A7282; --line:#DADEE4; --line-2:#C9CED6;
  --accent:#3346D3; --accent-soft:#E6E9FB;
  /* Notion-aligned semantic colors */
  --c-blue:#2F6FB5; --c-purple:#8250C4; --c-orange:#C86A12; --c-green:#3E7F5B;
  --c-red:#C9463F; --c-yellow:#B58414; --c-pink:#C0457E; --c-brown:#8A5A3C; --c-gray:#7B818C;
  --t-info:var(--c-blue); --t-idea:var(--c-purple); --t-decision:var(--c-orange);
  --shadow:0 1px 2px rgba(18,23,33,.06),0 8px 24px -12px rgba(18,23,33,.18);
  --serif:"Noto Serif SC","Songti SC",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --ground:#0C1016; --surface:#141A22; --raised:#19202A; --sunk:#0F141B;
    --ink:#E7EBF1; --ink-2:#BCC4D0; --muted:#8C95A3; --line:#252D39; --line-2:#323B48;
    --accent:#8C9BFF; --accent-soft:#1E2544;
    --c-blue:#6AA6E8; --c-purple:#B28CF0; --c-orange:#EE9A4E; --c-green:#6FBF8E;
    --c-red:#EE7C75; --c-yellow:#E3B84E; --c-pink:#EE88B6; --c-brown:#C79A7A; --c-gray:#98A0AC;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 12px 32px -12px rgba(0,0,0,.6);
    color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --ground:#0C1016; --surface:#141A22; --raised:#19202A; --sunk:#0F141B;
  --ink:#E7EBF1; --ink-2:#BCC4D0; --muted:#8C95A3; --line:#252D39; --line-2:#323B48;
  --accent:#8C9BFF; --accent-soft:#1E2544;
  --c-blue:#6AA6E8; --c-purple:#B28CF0; --c-orange:#EE9A4E; --c-green:#6FBF8E;
  --c-red:#EE7C75; --c-yellow:#E3B84E; --c-pink:#EE88B6; --c-brown:#C79A7A; --c-gray:#98A0AC;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 12px 32px -12px rgba(0,0,0,.6);
  color-scheme:dark;
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%}
body{margin:0;background:var(--ground);color:var(--ink);font:14px/1.65 var(--sans);-webkit-font-smoothing:antialiased}
a{color:inherit}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}
.mono{font-family:var(--mono)}

/* ---------- shell ---------- */
.app{display:grid;grid-template-columns:248px minmax(0,1fr);min-height:100%}
.side{position:sticky;top:0;height:100vh;overflow:auto;padding:22px 18px 18px;border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:26px;background:var(--ground)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:500 15px/1 var(--sans);letter-spacing:.01em}
.brand b{font-weight:700}
.brand svg{width:22px;height:22px;fill:var(--accent);stroke:var(--accent);stroke-width:1.4}
.views{display:grid;gap:2px}
.views a{display:flex;justify-content:space-between;align-items:center;padding:8px 10px;border-radius:7px;text-decoration:none;color:var(--ink-2);font-weight:500;white-space:nowrap}
.views a em{font:500 12px/1 var(--mono);font-style:normal;color:var(--muted)}
.views a:hover{background:var(--sunk)}
.views a[aria-current="page"]{background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}
.views a[aria-current="page"] em{color:var(--accent)}
.filters{display:grid;gap:18px}
.flabel{margin:0 0 8px;font:600 11px/1 var(--mono);letter-spacing:.1em;color:var(--muted);text-transform:uppercase}
.fchips{display:flex;flex-wrap:wrap;gap:5px}
.fchip{appearance:none;border:1px solid var(--line-2);background:transparent;border-radius:99px;padding:3px 9px 3px 8px;font-size:12.5px;cursor:pointer;
  display:inline-flex;align-items:center;gap:6px;color:var(--ink-2)}
.fchip i{width:7px;height:7px;border-radius:50%;background:var(--dot,var(--muted))}
.fchip small{font:11px/1 var(--mono);color:var(--muted)}
.fchip:hover{border-color:var(--ink-2)}
.fchip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--surface)}
.fchip[aria-pressed="true"] small{color:inherit;opacity:.7}
.reset{appearance:none;border:0;background:none;color:var(--accent);padding:0;cursor:pointer;font-size:12.5px;justify-self:start}
.side-foot{margin-top:auto;display:grid;gap:10px;font-size:12.5px;color:var(--muted)}
.side-foot a{color:var(--accent);text-decoration:none}
.src{appearance:none;border:0;margin:0;display:inline-flex;align-items:center;gap:7px;padding:4px 10px 4px 9px;border-radius:99px;background:var(--sunk);color:var(--ink-2);font:500 12px/1.4 var(--sans);white-space:nowrap;cursor:pointer;min-width:0}
.src span{overflow:hidden;text-overflow:ellipsis}
.src:hover{color:var(--ink)}
.src i{width:7px;height:7px;border-radius:50%;background:var(--c-gray);flex:none}
.src.live i{background:var(--c-green);box-shadow:0 0 0 3px color-mix(in srgb,var(--c-green) 25%,transparent)}
.src.snap i{background:var(--c-yellow)}

.main{min-width:0;padding:22px 28px 60px}
.top{display:flex;gap:16px;align-items:stretch;justify-content:space-between;flex-wrap:wrap;margin-bottom:22px}
.kpis{display:flex;gap:0;background:var(--surface);border-radius:10px;box-shadow:var(--shadow);overflow:hidden;flex-wrap:wrap}
.kpi{padding:10px 18px 11px;border-left:1px solid var(--line);display:grid;gap:2px;min-width:92px}
.kpi:first-child{border-left:0}
.kpi b{font:600 22px/1.1 var(--mono);font-variant-numeric:tabular-nums}
.kpi span{font-size:12px;color:var(--muted)}
.kpi.alert b{color:var(--c-red)}
.kpi.next{min-width:180px}
.kpi.next b{font:600 15px/1.35 var(--sans)}
.kpi.next b em{font:500 12px/1 var(--mono);font-style:normal;color:var(--accent);margin-left:6px}
.search{display:flex;align-items:center;gap:8px;background:var(--surface);border-radius:10px;box-shadow:var(--shadow);padding:0 14px;min-width:240px;flex:0 1 320px}
.search svg{width:16px;height:16px;fill:none;stroke:var(--muted);stroke-width:1.6;flex:none}
.search input{border:0;background:transparent;outline:0;font:inherit;color:var(--ink);width:100%;padding:12px 0}
.search:focus-within{box-shadow:0 0 0 2px var(--accent)}

/* ---------- feed ---------- */
.day{display:grid;grid-template-columns:120px minmax(0,1fr);gap:24px;margin-bottom:28px}
.day-h{position:sticky;top:18px;align-self:start;display:grid;gap:2px}
.day-h b{font:600 24px/1.1 var(--mono)}
.day-h span{font-size:12.5px;color:var(--muted)}
.cards{display:grid;gap:12px}
.card{background:var(--surface);border-radius:12px;box-shadow:var(--shadow);padding:16px 20px 16px 22px;position:relative;cursor:pointer;
  display:grid;gap:9px;transition:transform .15s ease}
.card::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;background:var(--tc)}
.card:hover{transform:translateY(-1px)}
.card-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.tbadge{font-weight:700;color:var(--tc);letter-spacing:.02em}
.card-meta time{font-family:var(--mono)}
.card-meta .srcname{max-width:26em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.card h3{margin:0;font:700 18px/1.4 var(--serif);text-wrap:balance}
.card .sum{margin:0;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;max-width:72ch}
.card-foot{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap}
.tags{display:flex;gap:5px;flex-wrap:wrap}
.tag{font-size:12px;padding:1px 8px;border-radius:4px;background:color-mix(in srgb,var(--tg) 13%,transparent);color:var(--tg)}
.rels{display:flex;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--muted)}
.rels span{display:inline-flex;gap:4px;align-items:center}
.rels svg{width:13px;height:13px;fill:none;stroke:currentColor;stroke-width:1.6}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:500;color:var(--pc);white-space:nowrap}
.pill::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--pc)}
.decision{display:flex;gap:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;font-size:12.5px;flex-wrap:wrap}
.decision > div{padding:6px 12px;border-left:1px solid var(--line);display:grid;gap:1px}
.decision > div:first-child{border-left:0}
.decision small{font-size:11px;color:var(--muted)}
.decision b{font:600 13px/1.4 var(--mono)}
.next-line{margin:0;font-size:13px;color:var(--muted);display:flex;gap:8px}
.next-line b{color:var(--ink-2);font-weight:500;flex:none}
.next-line span{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.empty{padding:60px 20px;text-align:center;color:var(--muted)}

/* ---------- graph ---------- */
.graph-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend svg{width:18px;height:12px;overflow:visible}
.toggles{display:flex;gap:16px;flex-wrap:wrap}
.g-node text.badge{font:600 9.5px/1 var(--mono);fill:var(--surface);stroke:none}
.toggle{display:inline-flex;gap:6px;align-items:center;font-size:12.5px;color:var(--ink-2);cursor:pointer}
/* time range filter */
.tf-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,400px);gap:12px;margin-bottom:14px}
.timef{display:grid;gap:18px;align-content:center;background:var(--surface);border-radius:12px;box-shadow:var(--shadow);padding:12px 16px 10px}
.timef-head{display:flex;align-items:center;gap:12px}
.timef-head .flabel{margin:0}
.tf-sum{font:500 12.5px var(--mono);color:var(--ink-2)}
.timef-head .reset{margin-left:auto}
.timef-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:18px;align-items:center}
.timef input[type=date]{font:500 13px var(--mono);color:var(--ink);background:var(--raised);border:1px solid var(--line-2);border-radius:8px;padding:6px 8px;min-width:0}
.timef input[type=date]:focus{outline:2px solid var(--accent);outline-offset:1px}
.dual{position:relative;height:40px}
.track{position:absolute;left:8px;right:8px;top:10px;height:4px;border-radius:2px;background:var(--sunk)}
.fill{position:absolute;top:0;bottom:0;background:var(--accent);border-radius:2px}
.dual input[type=range]{position:absolute;left:0;right:0;top:2px;width:100%;height:20px;margin:0;background:none;pointer-events:none;-webkit-appearance:none;appearance:none}
.dual input[type=range]::-webkit-slider-runnable-track{background:none;height:20px}
.dual input[type=range]::-moz-range-track{background:none}
.dual input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;pointer-events:auto;width:16px;height:16px;margin-top:2px;border-radius:50%;background:var(--surface);border:2px solid var(--accent);box-shadow:var(--shadow);cursor:grab}
.dual input[type=range]::-moz-range-thumb{pointer-events:auto;width:12px;height:12px;border-radius:50%;background:var(--surface);border:2px solid var(--accent);cursor:grab}
.dual input[type=range]:focus-visible::-webkit-slider-thumb{box-shadow:0 0 0 4px var(--accent-soft)}
.dual input[type=range]:focus-visible::-moz-range-thumb{box-shadow:0 0 0 4px var(--accent-soft)}
.dual input[type=range]:disabled::-webkit-slider-thumb{border-color:var(--line-2);cursor:default}
.ticks{position:absolute;left:8px;right:8px;top:24px;height:14px;font:500 11px var(--mono);color:var(--muted)}
.ticks span{position:absolute;transform:translateX(-50%);white-space:nowrap}
/* 每日入库 mini chart, kept separate from the slider */
.daily{background:var(--surface);border-radius:12px;box-shadow:var(--shadow);padding:12px 16px 10px;display:grid;gap:6px;align-content:start}
.daily-h{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.daily-h .flabel{margin:0}
.daily-max{font:500 11.5px var(--mono);color:var(--muted)}
/* contribution-style calendar: one column per week, Monday on top */
.cal-scroll{overflow-x:auto;scrollbar-width:thin;padding-bottom:4px}
.cal{display:grid;grid-template-rows:12px repeat(7,11px);grid-template-columns:20px;grid-auto-columns:11px;gap:3px;width:max-content;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;touch-action:pan-x pan-y}
.cal .m{grid-row:1;font:500 10px/12px var(--mono);color:var(--muted);white-space:nowrap}
.cal .wd{grid-column:1;position:sticky;left:0;z-index:2;background:var(--surface);box-shadow:3px 0 0 var(--surface);font:500 10px/11px var(--sans);color:var(--muted);padding-right:6px}
.c{display:block;width:11px;height:11px;border-radius:2.5px;background:var(--line);cursor:crosshair}
.c.l1{background:color-mix(in srgb,var(--accent) 30%,var(--line))}
.c.l2{background:color-mix(in srgb,var(--accent) 52%,var(--line))}
.c.l3{background:color-mix(in srgb,var(--accent) 76%,var(--line))}
.c.l4{background:var(--accent)}
.cal .c.out{opacity:.45}
.cal.ranged .c:not(.sel){opacity:.22}
.cal .c.pv{opacity:1;box-shadow:0 0 0 1.5px var(--ink)}
.cal.dragging .c{cursor:ew-resize}
.hint-touch{display:none}
@media (pointer:coarse){.hint-touch{display:inline}.hint-mouse{display:none}}
.cal-foot{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:11.5px;color:var(--muted)}
.cal-legend{display:inline-flex;gap:3px;align-items:center}
.cal-legend .c{width:10px;height:10px;cursor:default}
.cal-legend .c:first-of-type{margin-left:3px}
.cal-legend .c:last-of-type{margin-right:3px}
@media (max-width:1100px){.tf-wrap{grid-template-columns:1fr}}

@media (max-width:640px){
  .timef-row{grid-template-columns:1fr 1fr;gap:10px}
  .dual{grid-column:1/-1;order:-1}
}

.graph{background:var(--surface);border-radius:12px;box-shadow:var(--shadow);height:min(72vh,720px);min-height:440px;position:relative;overflow:hidden}
.graph svg{width:100%;height:100%;display:block;cursor:grab}
.graph svg:active{cursor:grabbing}
.g-link{stroke:var(--line-2);stroke-width:1.2;fill:none}
.g-link.derive{stroke:var(--accent);stroke-width:1.6}
.g-link.plan{stroke:var(--c-orange);stroke-dasharray:4 3;stroke-width:1.4}
.g-link.theme{stroke:var(--c-purple);stroke-width:1.4}
.g-link.tag{stroke:var(--line);stroke-width:1}
.g-node{cursor:pointer}
.g-node text{font:500 11.5px/1 var(--sans);fill:var(--ink-2);paint-order:stroke;stroke:var(--surface);stroke-width:4px;stroke-linejoin:round;pointer-events:none}
.g-node.tagnode text{font:500 11px/1 var(--mono);fill:var(--muted)}
.g-node.dim{opacity:.15}
.g-link.dim{opacity:.08}
.g-hint{position:absolute;left:14px;bottom:12px;font-size:12px;color:var(--muted);pointer-events:none}

/* ---------- events ---------- */
.ev-grid{display:grid;gap:22px}
.ev-grid > *{min-width:0}
.sec-t{margin:0 0 12px;font:600 11px/1 var(--mono);letter-spacing:.1em;color:var(--muted);text-transform:uppercase;display:flex;gap:10px;align-items:center}
.sec-t em{font-style:normal;color:var(--ink-2)}
.tl-wrap{background:var(--surface);border-radius:12px;box-shadow:var(--shadow);padding:18px 18px 10px;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:thin}
.tl-wrap svg{display:block;max-width:none}
.tl-wrap.panning{cursor:grabbing;user-select:none;-webkit-user-select:none}
.tl-hint{font:500 11px var(--sans);letter-spacing:0;text-transform:none;color:var(--muted);margin-left:auto}
.tl-hint::before{content:"⟷ "}
.tl-axis line{stroke:var(--line-2)}
.tl-axis text{font:500 11px var(--mono);fill:var(--muted)}
.tl-month line{stroke:var(--line)}
.tl-today line{stroke:var(--accent);stroke-width:1.5}
.tl-today text{font:600 11px var(--mono);fill:var(--accent)}
.tl-item{cursor:pointer}
.tl-hit{fill:transparent}
.tl-item:hover text,.tl-item:focus-visible text{fill:var(--accent)}
.tl-item:hover text.sub,.tl-item:focus-visible text.sub{fill:var(--accent);opacity:.75}
.tl-item:focus{outline:none}
.tl-item text{font:500 12px var(--sans);fill:var(--ink)}
.tl-item text.sub{font:500 10.5px var(--mono);fill:var(--muted)}
.tl-rem{fill:var(--c-yellow)}
.tl-rem-line{stroke:var(--c-yellow);stroke-dasharray:2 2}
.theme-list{display:grid;gap:12px}
.theme-card{background:var(--surface);border-radius:12px;box-shadow:var(--shadow);padding:20px 22px 16px;display:grid;gap:14px;cursor:pointer}
.theme-head{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:baseline}
.theme-head h3{margin:0;font:700 20px/1.35 var(--serif)}
.theme-head .when{font:500 12.5px var(--mono);color:var(--muted)}
.hyp{margin:0;font-size:15px;line-height:1.7;max-width:70ch}
.hyp b{display:block;font:600 11px/1 var(--mono);letter-spacing:.1em;color:var(--muted);margin-bottom:6px}
.signals{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.signals.one{grid-template-columns:1fr}
.theme-foot{border-top:1px solid var(--line);padding-top:12px;margin-top:2px}
.signal{border-radius:8px;padding:12px 14px;background:color-mix(in srgb,var(--sc) 8%,transparent);border:1px solid color-mix(in srgb,var(--sc) 30%,transparent)}
.signal b{display:block;font-size:12px;color:var(--sc);margin-bottom:4px}
.signal p{margin:0;font-size:13px;color:var(--ink-2)}
.ev-list{display:grid;gap:8px}
.ev-row{display:grid;grid-template-columns:86px minmax(0,1fr) auto;gap:16px;align-items:center;background:var(--surface);border-radius:10px;box-shadow:var(--shadow);padding:12px 16px;cursor:pointer}
.ev-date b{display:block;font:600 16px/1.2 var(--mono)}
.ev-date span{font:500 11px var(--mono);color:var(--muted)}
.ev-main{display:grid;gap:3px;min-width:0}
.ev-main b{font-weight:600}
.ev-main small{color:var(--muted);font-size:12.5px}
.ev-flags{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.flag{font-size:11.5px;padding:2px 8px;border-radius:4px;background:var(--sunk);color:var(--muted);white-space:nowrap}
.flag.warn{background:color-mix(in srgb,var(--c-yellow) 16%,transparent);color:var(--c-yellow)}
.cd{font:600 13px var(--mono);color:var(--accent);white-space:nowrap}
.reviews{display:flex;gap:10px;flex-wrap:wrap}
.review{background:var(--surface);border-radius:10px;box-shadow:var(--shadow);padding:10px 14px;font-size:13px;display:grid;gap:2px}
.review b{font:600 13px var(--mono)}
.review span{color:var(--muted);font-size:12px}

/* ---------- drawer ---------- */
.scrim{position:fixed;inset:0;background:rgba(10,14,20,.28);z-index:20}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(520px,100%);background:var(--surface);z-index:21;box-shadow:-20px 0 60px -20px rgba(0,0,0,.35);
  overflow:auto;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px);animation:slide .22s ease}
@keyframes slide{from{transform:translateX(24px);opacity:.4}to{transform:none;opacity:1}}
.drawer-in{padding:26px 28px 40px}
#d-body{display:grid;gap:18px}
.close{position:absolute;top:calc(14px + env(safe-area-inset-top,0px));right:16px;appearance:none;border:0;background:var(--sunk);width:32px;height:32px;border-radius:50%;font-size:20px;line-height:1;cursor:pointer}
.d-kicker{display:flex;gap:10px;align-items:center;font-size:12.5px;color:var(--muted);flex-wrap:wrap;padding-right:40px}
.d-title{margin:0;font:700 24px/1.35 var(--serif);text-wrap:balance}
.d-quote{margin:0;padding:14px 16px;border-radius:8px;background:var(--raised);font-size:15px;line-height:1.75;border-left:3px solid var(--tc,var(--accent))}
.d-fields{display:grid;gap:0;margin:0;border-top:1px solid var(--line)}
.d-fields > div{display:grid;grid-template-columns:84px 1fr;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);font-size:13.5px}
.d-fields dt{color:var(--muted);font-size:12.5px}
.d-fields dd{margin:0;min-width:0;overflow-wrap:anywhere}
.d-links{display:grid;gap:6px}
.d-link{appearance:none;border:1px solid var(--line);background:var(--raised);border-radius:8px;padding:8px 12px;text-align:left;cursor:pointer;display:flex;gap:10px;align-items:center;font-size:13px}
.d-link:hover{border-color:var(--accent)}
.d-link i{width:8px;height:8px;border-radius:50%;background:var(--tc);flex:none}
.d-link small{margin-left:auto;color:var(--muted);font-size:11.5px;white-space:nowrap}
.d-actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:8px;background:var(--ink);color:var(--surface);text-decoration:none;font-size:13px;font-weight:500}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line-2)}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .app{grid-template-columns:1fr}
  .side{position:static;height:auto;border-right:0;border-bottom:1px solid var(--line);padding:14px 16px;gap:14px}
  .views{grid-auto-flow:column;grid-auto-columns:1fr}
  .views a{justify-content:center;gap:8px}
  .filters{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
  .side-foot{flex-direction:row;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap}
  .main{padding:16px 16px 48px}
}
@media (max-width:640px){
  .day{grid-template-columns:1fr;gap:10px}
  .day-h{position:static;grid-auto-flow:column;justify-content:start;align-items:baseline;gap:10px}
  .signals{grid-template-columns:1fr}
  .ev-row{grid-template-columns:70px minmax(0,1fr)}
  .ev-flags{grid-column:1/-1;justify-content:flex-start}
  .kpi{min-width:0;flex:1 1 30%;padding:8px 12px}
  .kpi.next{flex-basis:100%;border-left:0;border-top:1px solid var(--line)}
  .search{flex:1 1 100%}
  .views a em{display:none}
  .views a{padding:8px 4px;font-size:13.5px}
  .tl-wrap{margin-inline:-16px;border-radius:0;padding-inline:16px}
  .theme-card{padding:16px}
  .theme-head h3{font-size:17px}
  .hyp{font-size:14px}
  .signal{padding:10px 12px}
  .ev-row{padding:12px 14px;gap:10px 12px}
  .ev-date b{font-size:15px}
  .ev-main b{font-size:14px}
}
.conn-err{max-width:640px;margin:40px auto;text-align:left;display:grid;gap:10px;background:var(--surface);border-radius:12px;box-shadow:var(--shadow);padding:22px 24px;color:var(--ink-2)}
.conn-err p{margin:0}
.conn-err .mono{font-size:12px;color:var(--muted);overflow-wrap:anywhere}
.conn-err code{font:500 12.5px var(--mono);background:var(--sunk);padding:1px 5px;border-radius:4px}

/* ---------- login ---------- */
.login{min-height:100%;display:grid;place-items:center;padding:24px 16px}
.login-card{width:min(360px,100%);background:var(--surface);border-radius:14px;box-shadow:var(--shadow);padding:28px 26px 22px;display:grid;gap:10px}
.login-card .brand{margin-bottom:6px}
.login-lead{margin:0 0 8px;color:var(--ink-2)}
.login-card .flabel{margin:0}
.login-card input{font:inherit;font-size:15px;color:var(--ink);background:var(--raised);border:1px solid var(--line-2);border-radius:8px;padding:10px 12px;width:100%}
.login-card input:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:transparent}
.login-err{margin:0;font-size:13px;color:var(--c-red)}
.login-btn{appearance:none;border:0;border-radius:8px;background:var(--ink);color:var(--surface);font:500 14px var(--sans);padding:11px 14px;cursor:pointer;margin-top:4px}
.login-btn:disabled{opacity:.6;cursor:default}
.login-note{margin:0;font-size:12px;color:var(--muted)}
.login-foot{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:4px}
.logout{appearance:none;border:0;background:none;padding:0;color:var(--muted);font-size:12.5px;cursor:pointer;justify-self:start}
.logout:hover{color:var(--ink)}

/* graph focus mode */
.g-rings circle{fill:none;stroke:var(--line-2);stroke-dasharray:3 6}
.g-node[data-hop="2"]:not(.dim){opacity:.85}
.g-node[data-hop="3"]:not(.dim){opacity:.62}
.g-node[data-hop="4"]:not(.dim){opacity:.42}
.g-node[data-hop="far"]:not(.dim){opacity:.28}
.g-link.far:not(.dim){opacity:.2}
.g-node.focus text{font-weight:700;fill:var(--ink)}
.g-node:focus{outline:none}
.g-node:focus-visible .shape{stroke:var(--accent)!important;stroke-width:3px!important}
.g-node.focus .shape{stroke:var(--ink)!important;stroke-width:2.5px!important}

/* graph labels & hover card */
.g-node.nolabel text.lbl{display:none}
.g-tip{position:absolute;z-index:2;pointer-events:none;max-width:280px;background:var(--surface);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:8px 10px;display:grid;gap:3px;font-size:13px;line-height:1.45}
.g-tip b{font-weight:600;color:var(--ink)}
.g-tip span{font-size:11.5px;color:var(--muted)}
.g-link,.g-rings circle{vector-effect:non-scaling-stroke}

/* appearance switch */
.side-foot-row{display:flex;align-items:center;justify-content:space-between;gap:8px}
.theme-switch{display:inline-flex;gap:2px;padding:2px;border-radius:8px;background:var(--sunk);justify-self:start;flex:none}
.theme-switch button{appearance:none;border:0;background:transparent;width:28px;height:24px;border-radius:6px;color:var(--muted);cursor:pointer;display:grid;place-items:center;padding:0}
.theme-switch button svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.theme-switch button:hover{color:var(--ink)}
.theme-switch button[aria-pressed="true"]{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.12)}
.g-tip em{font-style:normal;font-size:11.5px;color:var(--accent)}