:root{
  --paper:#EEF2F7; --surface:#FFFFFF; --ink:#15213B; --muted:#56637A; --line:#D3DAE5;
  --go:#1F7A57; --go-soft:#DDF0E7; --soon:#A86F06; --soon-soft:#FBEFD6; --late:#B0353A; --late-soft:#F8E0E1;
  --wait:#6B7590; --primary:#15213B; --on-primary:#FFFFFF; --focus:#3B6FE0;
  color-scheme:light;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px); padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#0E1524; --surface:#172036; --ink:#E7ECF5; --muted:#9AA6BD; --line:#2A3651;
    --go:#5CC79A; --go-soft:#16352B; --soon:#E6B04A; --soon-soft:#3A2F15; --late:#F07A7E; --late-soft:#3D1D22;
    --wait:#8D97B0; --primary:#E7ECF5; --on-primary:#0E1524; --focus:#7FA4FF; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#0E1524; --surface:#172036; --ink:#E7ECF5; --muted:#9AA6BD; --line:#2A3651;
  --go:#5CC79A; --go-soft:#16352B; --soon:#E6B04A; --soon-soft:#3A2F15; --late:#F07A7E; --late-soft:#3D1D22;
  --wait:#8D97B0; --primary:#E7ECF5; --on-primary:#0E1524; --focus:#7FA4FF; color-scheme:dark;
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.55 "Atkinson Hyperlegible",system-ui,-apple-system,"Segoe UI",sans-serif}
h1,h2,h3{font-family:"Bricolage Grotesque","Atkinson Hyperlegible",system-ui,sans-serif;line-height:1.15;margin:0}
h1{font-weight:800;font-size:clamp(2rem,7vw,2.9rem);letter-spacing:-.02em}
h2{font-weight:600;font-size:1.35rem}
h3{font-weight:600;font-size:1.08rem}
p{margin:0}
.wrap{max-width:680px;margin:0 auto;padding:24px 18px 64px}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:6px}
.muted{color:var(--muted)}
.small{font-size:.9rem}
.hidden{display:none!important}

/* buttons */
.btn{appearance:none;border:1.5px solid var(--ink);background:transparent;padding:11px 18px;border-radius:999px;cursor:pointer;font-weight:700;min-height:44px}
.btn.primary{background:var(--primary);color:var(--on-primary);border-color:var(--primary)}
.btn.quiet{border-color:var(--line)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.block{width:100%}
.linkbtn{appearance:none;border:0;background:none;padding:6px 0;cursor:pointer;color:var(--muted);text-decoration:underline;text-underline-offset:3px}

/* setup */
.setup h1{margin:8px 0 10px}
.lede{font-size:1.1rem;color:var(--muted);max-width:52ch}
form{margin-top:28px;display:grid;gap:18px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width:520px){.row2{grid-template-columns:1fr}}
label.f{display:grid;gap:6px;font-weight:700}
label.f span.hint{font-weight:400;color:var(--muted);font-size:.88rem}
input[type=text],input[type=date],select,textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--surface);min-height:48px}
textarea{min-height:90px;resize:vertical}
fieldset{border:0;padding:0;margin:0}
legend{font-weight:700;margin-bottom:8px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{position:relative}
.chip input{position:absolute;opacity:0;inset:0;cursor:pointer}
.chip span{display:inline-block;padding:9px 14px;border:1.5px solid var(--line);border-radius:999px;background:var(--surface)}
.chip input:checked + span{border-color:var(--ink);background:var(--ink);color:var(--paper)}
.chip input:focus-visible + span{outline:3px solid var(--focus);outline-offset:2px}

/* loading */
.loading{padding:80px 0;text-align:left}
.loading h2{font-size:1.6rem;margin-bottom:10px}
.bar{height:6px;background:var(--line);border-radius:6px;overflow:hidden;margin-top:24px}
.bar i{display:block;height:100%;width:30%;background:var(--ink);border-radius:6px;animation:slide 1.4s ease-in-out infinite}
@keyframes slide{0%{transform:translateX(-100%)}100%{transform:translateX(340%)}}
@media (prefers-reduced-motion:reduce){.bar i{animation:none;width:60%}}

/* plan header */
.top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:22px}
.brand{font-family:"Bricolage Grotesque",sans-serif;font-weight:800;font-size:1.15rem;letter-spacing:-.01em}
.acct{display:flex;align-items:center;gap:8px;color:var(--muted);margin:-8px 0 18px}
.acct .dot{width:9px;height:9px;border-radius:50%;background:var(--go);flex:none}
.acct .dot.local{background:var(--soon)}
.callinks{display:flex;flex-wrap:wrap;gap:8px}
.callinks a{display:inline-flex;align-items:center;min-height:40px;padding:6px 14px;border:1.5px solid var(--line);border-radius:999px;color:var(--ink);text-decoration:none;font-weight:700;font-size:.92rem}
.callinks a:hover{border-color:var(--ink)}
.dayline{font-size:1rem;color:var(--muted);margin-bottom:6px}
.stamps{display:flex;flex-wrap:wrap;gap:6px;margin:18px 0 6px}
.stamp{width:22px;height:22px;border-radius:50%;border:2px dashed var(--line)}
.stamp.done{border:2px solid var(--go);background:var(--go);position:relative}
.stamp.done::after{content:"";position:absolute;left:6px;top:2px;width:5px;height:10px;border:solid var(--surface);border-width:0 2.5px 2.5px 0;transform:rotate(45deg)}
.stamp.late{border-style:solid;border-color:var(--late)}

/* next card */
.next{margin:26px 0 34px;background:var(--surface);border:2px solid var(--ink);border-radius:20px;padding:22px}
.next .lbl{font-weight:700;color:var(--muted);margin-bottom:6px}
.next h2{font-size:1.6rem;margin-bottom:8px}
.next .acts{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}

/* list */
.group{margin-top:28px}
.group > h3{margin-bottom:10px;display:flex;align-items:baseline;gap:8px}
.group > h3 .n{font-family:"Atkinson Hyperlegible",sans-serif;font-weight:400;color:var(--muted);font-size:.95rem}
.step{background:var(--surface);border:1px solid var(--line);border-radius:14px;margin-bottom:10px;overflow:hidden}
.step.isdone{opacity:.72}
.shead{display:flex;align-items:flex-start;gap:12px;padding:14px}
.check{flex:none;width:28px;height:28px;border-radius:50%;border:2px solid var(--ink);background:transparent;cursor:pointer;margin-top:1px;position:relative}
.check[aria-pressed="true"]{background:var(--go);border-color:var(--go)}
.check[aria-pressed="true"]::after{content:"";position:absolute;left:8px;top:3px;width:7px;height:13px;border:solid var(--surface);border-width:0 3px 3px 0;transform:rotate(45deg)}
.check:disabled{border-style:dashed;border-color:var(--wait);cursor:not-allowed}
.stitle{flex:1;min-width:0;text-align:left;background:none;border:0;padding:0;cursor:pointer}
.stitle b{display:block;font-weight:700;line-height:1.3}
.step.isdone .stitle b{text-decoration:line-through;text-decoration-thickness:1.5px}
.meta{display:flex;flex-wrap:wrap;gap:6px 10px;margin-top:5px;font-size:.88rem;color:var(--muted)}
.tag{padding:1px 8px;border-radius:999px;font-weight:700;font-size:.8rem}
.tag.late{background:var(--late-soft);color:var(--late)}
.tag.soon{background:var(--soon-soft);color:var(--soon)}
.tag.must{background:var(--ink);color:var(--paper)}
.tag.wait{border:1px dashed var(--wait);color:var(--wait)}
.tag.mine{border:1px solid var(--line)}
.sbody{padding:0 14px 16px 54px;display:grid;gap:12px}
.sbody h4{margin:0 0 4px;font-size:.92rem;color:var(--muted);font-weight:700}
.sbody ul,.sbody ol{margin:0;padding-left:20px}
.sbody li{margin:2px 0}
.deadline{background:var(--soon-soft);color:var(--ink);padding:10px 12px;border-radius:10px;font-size:.95rem}
.sactions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.sactions input[type=date]{width:auto;min-height:40px;padding:6px 10px}
.explain{white-space:pre-wrap;background:var(--paper);border-radius:10px;padding:12px;font-size:.96rem}
@media (max-width:420px){.sbody{padding-left:14px}}

/* bottom tools */
.tools{margin-top:40px;display:grid;gap:10px;grid-template-columns:1fr 1fr}
@media (max-width:520px){.tools{grid-template-columns:1fr}}
.note{margin-top:30px;font-size:.88rem;color:var(--muted);border-top:1px solid var(--line);padding-top:16px}

/* dialog */
dialog{border:0;border-radius:18px;padding:0;background:var(--surface);color:var(--ink);width:min(520px,calc(100% - 24px));max-height:calc(100% - 40px)}
dialog::backdrop{background:rgba(10,15,30,.5)}
.dlg{padding:22px;display:grid;gap:14px}
.dlg .acts{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--paper);padding:12px 18px;border-radius:12px;font-weight:700;z-index:50;max-width:calc(100% - 32px)}
.err{background:var(--late-soft);color:var(--late);padding:12px 14px;border-radius:12px}

/* ---------- auth ---------- */
.auth{max-width:440px;margin:0 auto;padding-top:24px}
.auth h1{margin:28px 0 8px}
.auth .lede{margin-bottom:24px}
.tabs{display:grid;grid-template-columns:1fr 1fr;background:var(--surface);border:1.5px solid var(--line);border-radius:999px;padding:4px;margin-bottom:22px}
.tabs button{appearance:none;border:0;background:transparent;border-radius:999px;padding:10px;font-weight:700;cursor:pointer;color:var(--muted);min-height:44px}
.tabs button[aria-selected="true"]{background:var(--ink);color:var(--paper)}
.authform{display:grid;gap:16px;margin:0}
input[type=email],input[type=password]{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;background:var(--surface);min-height:48px}
.gbtn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;background:var(--surface);border:1.5px solid var(--line);border-radius:999px;padding:11px 18px;font-weight:700;cursor:pointer;min-height:48px}
.gbtn:hover{border-color:var(--ink)}
.gbtn svg{width:20px;height:20px}
.or{display:flex;align-items:center;gap:12px;color:var(--muted);margin:20px 0;font-size:.9rem}
.or::before,.or::after{content:"";flex:1;height:1px;background:var(--line)}
.ok{background:var(--go-soft);color:var(--go);padding:12px 14px;border-radius:12px}
.acct a,.acct button{color:inherit}
.boot{padding:120px 0;color:var(--muted)}