:root{
  --bg:#F7F0E4; --card:#FFFBF4; --ink:#2A2420; --muted:#6B5F52; --line:#E7DCCB;
  --accent:#25324D; --accent-soft:#FBEBCF; --warn:#A8492A; --warn-soft:#F6DED3;
  --star:#E8A33D; --night:#1E2A42; --radius:20px;
}
*{box-sizing:border-box}
html,body{margin:0;background-color:var(--bg);background-image:radial-gradient(#E3D7C3 1px,transparent 1.2px);background-size:18px 18px;color:var(--ink);font-family:'Nunito Sans',system-ui,sans-serif;font-size:15px;line-height:1.45}
h1,h2,.serif{font-family:'Fraunces',Georgia,serif;color:var(--accent)}
button,input,select,textarea{font:inherit;color:inherit}
.app{max-width:520px;margin:0 auto;min-height:100vh;padding:0 16px 96px}
header.top{padding:20px 0 8px;display:flex;align-items:flex-end;justify-content:space-between;gap:12px}
header.top h1{font-size:30px;margin:2px 0 0;letter-spacing:-.01em;font-weight:700}
.brand{display:inline-flex;align-items:center;gap:7px;font-family:'Fraunces',serif;font-weight:700;font-size:17px;color:var(--accent);margin-bottom:6px}
header.top .sub{color:var(--muted);font-size:13px}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;padding:3px 9px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-weight:600}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;margin:12px 0}
.card h2{font-size:15px;margin:0 0 8px;font-weight:700}
.card h3{font-size:13px;margin:12px 0 6px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-weight:600}
.muted{color:var(--muted)}
.small{font-size:13px}
.btn{border:0;border-radius:10px;padding:10px 14px;font-weight:600;cursor:pointer;background:var(--accent);color:#fff}
.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent)}
.btn.quiet{background:#efece5;color:var(--ink)}
.btn.block{width:100%}
.btn:disabled{opacity:.5;cursor:default}
.row{display:flex;gap:8px;align-items:center}
.row.wrap{flex-wrap:wrap}
.grow{flex:1}
input[type=text],input[type=email],input[type=date],input[type=number],input[type=url],select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:9px 10px;background:#fff}
textarea{min-height:140px;resize:vertical}
label.f{display:block;font-size:12px;color:var(--muted);margin:8px 0 4px;font-weight:600}
.item{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-top:1px solid var(--line)}
.item:first-child{border-top:0}
.dot{width:10px;height:10px;border-radius:50%;flex:none;margin-top:6px}
.item .t{font-weight:600}
.item .m{font-size:12.5px;color:var(--muted)}
.item.done .t{text-decoration:line-through;color:var(--muted)}
.chk{width:22px;height:22px;border-radius:7px;border:1.5px solid var(--line);background:#fff;flex:none;cursor:pointer;display:grid;place-items:center;margin-top:1px}
.chk.on{background:var(--accent);border-color:var(--accent);color:#fff}
.tag{font-size:11px;font-weight:700;padding:2px 7px;border-radius:6px;background:#efece5;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
.tag.exam{background:#fde8e8;color:#a33}
.tag.paper,.tag.project{background:#e8eefd;color:#2d4fa3}
.tag.quiz{background:#fff3d6;color:#8a6200}
.tag.milestone{background:var(--accent-soft);color:var(--accent)}
.due-soon{color:var(--warn);font-weight:600}
nav.tabs{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);display:flex;justify-content:center;padding-bottom:env(safe-area-inset-bottom)}
nav.tabs .in{display:flex;max-width:520px;width:100%}
nav.tabs button{flex:1;border:0;background:none;padding:10px 0 12px;font-size:12px;font-weight:600;color:var(--muted);cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:3px}
nav.tabs button.on{color:var(--accent)}
nav.tabs svg{width:22px;height:22px}
.heat{display:flex;gap:4px;align-items:flex-end;height:70px;margin-top:6px}
.heat .b{flex:1;border-radius:4px 4px 2px 2px;background:var(--accent);min-height:3px;position:relative}
.heat .b.hot{background:var(--warn)}
.heatlbl{display:flex;gap:4px;font-size:10px;color:var(--muted);margin-top:4px}
.heatlbl span{flex:1;text-align:center}
.empty{text-align:center;padding:28px 12px}
.empty .big{font-size:17px;font-weight:700;margin-bottom:6px}
.steps{text-align:left;margin:14px auto 0;max-width:320px;padding-left:20px;color:var(--muted)}
.steps li{margin:4px 0}
.overlay{position:fixed;inset:0;background:rgba(20,22,25,.45);display:none;align-items:flex-end;justify-content:center;z-index:20}
.overlay.on{display:flex}
.sheet{background:var(--bg);width:100%;max-width:560px;max-height:92vh;overflow:auto;border-radius:18px 18px 0 0;padding:18px 16px 28px}
.sheet h2{margin:0 0 4px;font-size:18px}
.rv{display:grid;grid-template-columns:24px 1fr;gap:8px;padding:10px 0;border-top:1px solid var(--line)}
.rv .fields{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.rv .fields input[type=text]{grid-column:1/-1}
.swatches{display:flex;gap:8px;flex-wrap:wrap}
.sw{width:28px;height:28px;border-radius:50%;border:2px solid transparent;cursor:pointer}
.sw.on{border-color:var(--ink)}
.spinner{display:inline-block;width:14px;height:14px;border:2px solid #fff6;border-top-color:#fff;border-radius:50%;animation:sp 1s linear infinite;vertical-align:-2px;margin-right:6px}
/* ---- Due North look ---- */
.card{box-shadow:0 1px 0 var(--line)}
.card h2{font-size:19px;font-weight:700}
.btn{border-radius:14px;font-weight:800;min-height:44px}
.btn.ghost{border-width:2px}
.btn.quiet{background:#F0E6D6}
.pill{background:var(--accent-soft);color:var(--accent);font-weight:800}
.item{border-top:1px dashed var(--line)}
.chk{border:2px solid #D9CBB4;border-radius:9px;background:var(--card)}
.tag{border-radius:999px;background:#F0E6D6;color:#5A4E42;font-weight:800}
.tag.exam{background:#F6DED3;color:#8A3A1F}
.tag.paper,.tag.project{background:#E1E7F0;color:#2E4566}
.tag.quiz{background:#F3E2C2;color:#6E5210}
.tag.milestone{background:var(--accent-soft);color:#7A4B10}
nav.tabs{background:var(--card)}
nav.tabs button{color:var(--muted)}
nav.tabs button.on{color:var(--accent)}
nav.tabs button svg{padding:3px 10px;width:44px;height:28px;border-radius:14px}
nav.tabs button.on svg{background:var(--accent-soft)}
.heat .b{background:#D9CBB4}
.heat .b.hot{background:var(--warn)}
.progress div{background:var(--accent)}
.sheet{background-color:var(--bg);background-image:radial-gradient(#E3D7C3 1px,transparent 1.2px);background-size:18px 18px}
.toast{background:var(--accent);border-radius:14px}
.night{background:var(--night);color:#FFFBF4;border-color:transparent}
.night .muted,.night .small{color:#E9DFCC}
.nightbtn{background:var(--star);color:var(--night)}
.nightghost{background:transparent;border:2px solid #E9DFCC;color:#FFFBF4}
.encourage{display:flex;gap:12px;align-items:center;background:var(--accent);color:#FFFBF4;border-radius:20px;padding:14px 16px;margin:12px 0;font-weight:600}
@keyframes sp{to{transform:rotate(360deg)}}
.toast{position:fixed;left:50%;bottom:84px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 14px;border-radius:10px;font-size:13px;opacity:0;transition:opacity .2s;pointer-events:none;z-index:30;max-width:90vw}
.toast.on{opacity:1}
.course-head{display:flex;gap:10px;align-items:center}
.course-head .bar{width:6px;align-self:stretch;border-radius:3px}
.kv{display:grid;grid-template-columns:110px 1fr;gap:4px 10px;font-size:13.5px;margin-top:8px}
.kv dt{color:var(--muted)}
.kv dd{margin:0}
.datebar{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted)}
.datebar input{width:auto;padding:5px 8px;font-size:12.5px}
.notice{background:var(--warn-soft);color:#7a3a10;border-radius:10px;padding:10px 12px;font-size:13px;margin-top:10px}
.chip{border:1.5px solid var(--c);color:var(--c);background:#fff;border-radius:999px;padding:5px 11px;font-size:12.5px;font-weight:700;cursor:pointer}
.chip.on{background:var(--c);color:#fff}
.cbar{width:4px;align-self:stretch;border-radius:2px;flex:none}
.openable{cursor:pointer}
.openable:hover .t{text-decoration:underline}
.sw.big{width:30px;height:30px}
.dhead{display:flex;gap:10px;align-items:stretch;margin-bottom:6px}
.dhead .cbar{width:6px}
.crit{display:flex;gap:10px;padding:9px 0;border-top:1px solid var(--line)}
.crit:first-of-type{border-top:0}
.pts{font-size:12px;font-weight:700;color:var(--muted);white-space:nowrap}
.req li{margin:3px 0}
.osec{padding:8px 0;border-top:1px solid var(--line)}
.osec:first-of-type{border-top:0}
.osec ul{margin:4px 0 0;padding-left:18px;color:var(--muted);font-size:13.5px}
.stp{display:flex;gap:8px;align-items:center;padding:7px 0;border-top:1px solid var(--line)}
.stp:first-of-type{border-top:0}
.stp input[type=date]{width:140px;padding:5px 7px;font-size:13px}
.x{border:0;background:none;color:var(--muted);font-size:18px;cursor:pointer;padding:0 4px}
.progress{height:6px;background:#efece5;border-radius:3px;overflow:hidden;margin:6px 0 2px}
.progress div{height:100%;background:var(--accent)}
.mtabs{display:flex;gap:6px;margin:10px 0}
.mtabs button{flex:1;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 0;font-weight:600;font-size:13px;cursor:pointer;color:var(--muted)}
.mtabs button.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.mat{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-top:1px solid var(--line)}
.mat:first-child{border-top:0}
.ficon{width:36px;height:36px;border-radius:9px;display:grid;place-items:center;font-size:10.5px;font-weight:800;flex:none;color:#fff}
.preview{white-space:pre-wrap;font-size:13px;background:#faf9f6;border:1px solid var(--line);border-radius:10px;padding:10px;max-height:260px;overflow:auto;margin-top:6px}
.daygrp{font-size:12.5px;font-weight:700;color:var(--muted);margin:14px 0 2px;text-transform:uppercase;letter-spacing:.04em}
.confirm-wrap{position:fixed;inset:0;background:rgba(20,22,25,.5);display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}
.confirm-box{background:var(--card);border-radius:20px;padding:20px;max-width:360px;width:100%;box-shadow:0 10px 30px rgba(0,0,0,.25)}

/* ---- v2 layout ---- */
.hero{background:var(--night);color:#FFFBF4;border-color:transparent;padding:16px 18px}
.hero-k{font-size:11.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:#E9DFCC}
.hero-t{font-family:'Fraunces',Georgia,serif;font-size:24px;font-weight:600;margin-top:8px;line-height:1.2}
.hero-m{font-size:13.5px;color:#E9DFCC;margin-top:3px}
.linkbtn{border:0;background:none;color:var(--accent);font-weight:800;font-size:13.5px;cursor:pointer;padding:6px 0;text-decoration:underline;text-underline-offset:3px}
.seg{display:flex;gap:4px;padding:4px;background:#EFE4D2;border-radius:14px;margin:12px 0;overflow-x:auto;scrollbar-width:none}
.seg button{flex:1 0 auto;border:0;border-radius:11px;padding:8px 12px;min-height:38px;font-weight:800;font-size:13px;background:transparent;color:var(--muted);cursor:pointer}
.seg button.on{background:var(--card);color:var(--accent);box-shadow:0 1px 2px rgba(42,36,32,.12)}
.calgrid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:2px;text-align:center}
.calhead span{font-size:11px;font-weight:800;color:var(--muted);padding-bottom:4px}
.calday{border:0;background:transparent;border-radius:12px;min-height:46px;padding:6px 0 4px;display:flex;flex-direction:column;align-items:center;gap:4px;font-weight:600;font-size:14px;cursor:pointer;color:var(--ink)}
.calday.tod{background:var(--accent-soft);font-weight:800}
.calday.sel{background:var(--accent);color:#FFFBF4;font-weight:800}
.calday .dots{display:flex;gap:3px;height:6px}.calday .dots i{width:6px;height:6px;border-radius:50%}
.iconbtn{border:0;background:#F0E6D6;border-radius:12px;width:40px;height:40px;font-size:22px;font-weight:800;color:var(--accent);cursor:pointer}
.stats{display:flex;gap:8px;margin-bottom:4px}.stats div{flex:1;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:10px;text-align:center}
.stats b{display:block;font-family:'Fraunces',Georgia,serif;font-size:22px;color:var(--accent)}.stats span{font-size:11.5px;color:var(--muted);font-weight:700}
.bars{display:inline-flex;gap:2px;flex:none}.bars i{width:9px;height:5px;border-radius:3px}
.classcard{display:flex;gap:12px;align-items:stretch;width:100%;text-align:left;cursor:pointer;font:inherit;color:inherit}
.classcard .bar{width:7px;border-radius:4px;flex:none}.classcard .grow{display:flex;flex-direction:column;gap:2px}
.cc-t{font-size:20px;font-weight:700;color:var(--accent)}.cc-n{font-weight:700}.cc-g{font-family:'Fraunces',Georgia,serif;font-size:22px;font-weight:700;align-self:center}
.nextring{display:flex;gap:12px;align-items:center;background:var(--accent-soft);border-radius:18px;padding:12px 14px;margin:0 0 12px}
.ring{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;flex:none}.ring span{width:38px;height:38px;border-radius:50%;background:var(--accent-soft);display:grid;place-items:center;font-weight:800;font-size:13px;color:#7A3A1F}
details.card summary{list-style-position:inside}
.side-classes{display:none}
@media (min-width:1000px){
  .app{max-width:760px;margin-left:max(260px,calc((100vw - 760px)/2 + 120px));padding-bottom:40px}
  nav.tabs{top:0;bottom:0;right:auto;width:236px;border-top:0;border-right:1px solid var(--line);flex-direction:column;justify-content:flex-start;padding:84px 12px 20px}
  nav.tabs .in{flex-direction:column;gap:2px}
  nav.tabs button{flex-direction:row;justify-content:flex-start;gap:10px;font-size:14.5px;padding:8px 10px;border-radius:12px;flex:none}
  nav.tabs button.on{background:var(--accent-soft)}
  nav.tabs button svg,nav.tabs button.on svg{padding:0;width:22px;height:22px;background:none}
  .side-classes{display:flex;flex-direction:column;gap:2px;margin-top:18px}
  .side-h{font-size:11.5px;font-weight:800;letter-spacing:.07em;text-transform:uppercase;color:var(--muted);margin:0 10px 6px}
  .side-class{display:flex;align-items:center;gap:10px;border:0;background:transparent;border-radius:10px;padding:8px 10px;font-weight:700;font-size:14px;cursor:pointer;text-align:left;color:var(--ink)}
  .side-class span{width:10px;height:10px;border-radius:50%;flex:none}.side-class.on{background:#EFE4D2}
  .overlay{background:transparent;pointer-events:none;justify-content:flex-end;align-items:stretch}
  .overlay .sheet{pointer-events:auto;max-width:520px;max-height:none;height:100vh;border-radius:0;border-left:1px solid var(--line);box-shadow:-10px 0 30px rgba(42,36,32,.12)}
  .toast{bottom:24px}
}

.encourage{background:var(--accent-soft);color:var(--accent)}
@media (min-width:1000px){body.panel-open .app{margin-left:260px;max-width:calc(100vw - 260px - 560px)}}
.guide{border-color:#E8C98F}
.stepcard .stp{padding:7px 0}
.nextstp{background:var(--accent-soft);border-radius:10px;margin:0 -8px;padding:7px 8px!important}
.hero-after{margin-top:10px;font-size:13px;color:#CFC3AE;display:grid;gap:3px}

.fab{position:fixed;right:18px;bottom:96px;width:58px;height:58px;border-radius:50%;border:0;background:var(--accent);color:#FFFBF4;box-shadow:0 6px 18px rgba(30,42,66,.35);display:grid;place-items:center;cursor:pointer;z-index:15}
.fabgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:12px}
.fabopt{display:flex;flex-direction:column;gap:2px;text-align:left;border:1px solid var(--line);background:var(--card);border-radius:16px;padding:12px;cursor:pointer;min-height:72px}
.fabopt b{font-size:15px;color:var(--accent)}.fabopt span{font-size:12.5px;color:var(--muted)}
@media (min-width:1000px){.fab{bottom:28px;right:28px}}

/* sign-in gate */
.gate{position:fixed;inset:0;z-index:1000;background:var(--bg,#F6EFE3);overflow:auto;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px 18px}
.gate-card{width:100%;max-width:400px;background:var(--card,#FFF9F0);border:1px solid var(--line,#E8DCC8);border-radius:22px;padding:28px 24px;box-shadow:0 10px 30px rgba(30,42,66,.08)}
.gate-star{display:flex;justify-content:center}
.gate-brand{text-align:center;font-family:Fraunces,Georgia,serif;font-weight:700;font-size:20px;color:var(--ink,#1E2A42);margin:4px 0 18px}
.gate h1{font-family:Fraunces,Georgia,serif;font-size:26px;line-height:1.15;text-align:center;margin:0 0 8px;color:var(--ink,#1E2A42)}
.gate-sub{text-align:center;color:var(--muted,#6B6458);margin:0 0 18px;font-size:15px}
.gate input{margin-top:4px;padding:12px;font-size:16px}
.gate-foot{margin-top:18px;font-size:13px;color:var(--muted,#6B6458)}
.gate-foot a{color:inherit}
body.gated .fab,body.gated .tabs{display:none}

/* time estimates */
.estbox{margin-top:12px;padding:12px;border-radius:12px;background:#FBF3E4;border:1px solid var(--line)}
.estedit summary{cursor:pointer;font-size:13px;font-weight:700;color:var(--ink);margin-top:6px}
.estchip{white-space:nowrap}
.stepmin{display:inline-block;margin-left:8px;font-size:12px;color:var(--muted);white-space:nowrap}

.optrow{display:flex;gap:12px;align-items:center;padding:8px 0;cursor:pointer}
.optrow input[type=checkbox]{width:22px;height:22px;flex:none;accent-color:#1E2A42}
input[type=tel]{width:100%;border:1px solid var(--line);border-radius:10px;padding:9px 10px;background:#fff}
.estright{flex:none;align-self:center;margin-left:4px;font-size:13px;font-weight:800;color:var(--ink);background:#FBF3E4;border:1px solid var(--line);border-radius:999px;padding:4px 10px;white-space:nowrap;text-align:center;line-height:1.1}
.estright small{display:block;font-size:10px;font-weight:700;color:var(--muted)}