html,body{margin:0;padding:0}
html{height:100%}
body{min-height:100%;font-size:14px;-webkit-text-size-adjust:100%}
a{color:var(--brand-dark)}
/* Layout: a teacher's planner — slim toolbar, month grid as the "page", a side drawer that opens like a lesson card. */
:root{
  /* Layout: Moodle-matched app shell — gradient top bar, left dashboard panel, content pages. Colors sampled from openbookhomeschool.com (Degrade theme). */
  --paper:#f4fafd; --sheet:#ffffff; --ink:#212529; --muted:#5b6670; --line:#d6dee5; --soft:#eaf4fa;
  --brand:#1f9ad6; --brand-dark:#147ab0; --coral:#f38b88; --accent:#1f9ad6; --accent-ink:#ffffff; --navy:#147ab0;
  --today:#fff3e8; --focus:#1f9ad6; --ok:#1e9e6a; --warn:#d9822b;
  --math:#2f7de1; --ela:#b0458f; --art:#d98a1f; --elec:#2c9c6a; --sci:#7a59d6; --other:#64748b;
  --shadow:0 10px 32px rgba(20,60,90,.16);
  --display:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --body:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --radius:8px;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --paper:#111a21; --sheet:#18232c; --ink:#e6edf2; --muted:#9aabb8; --line:#2a3944; --soft:#1d2d39;
  --brand:#4db3e6; --brand-dark:#7cc6ec; --coral:#f6a09d; --accent:#4db3e6; --accent-ink:#0f1a22; --navy:#7cc6ec;
  --today:#2a2520; --focus:#7cc6ec; --ok:#4cc08b; --warn:#e9a443;
  --math:#5d9cf0; --ela:#d872b6; --art:#e9a443; --elec:#4cc08b; --sci:#a088ee; --other:#8b97ab;
  --shadow:0 10px 32px rgba(0,0,0,.5); color-scheme:dark}}
:root[data-theme="dark"]{
  --paper:#111a21; --sheet:#18232c; --ink:#e6edf2; --muted:#9aabb8; --line:#2a3944; --soft:#1d2d39;
  --brand:#4db3e6; --brand-dark:#7cc6ec; --coral:#f6a09d; --accent:#4db3e6; --accent-ink:#0f1a22; --navy:#7cc6ec;
  --today:#2a2520; --focus:#7cc6ec; --ok:#4cc08b; --warn:#e9a443;
  --math:#5d9cf0; --ela:#d872b6; --art:#e9a443; --elec:#4cc08b; --sci:#a088ee; --other:#8b97ab;
  --shadow:0 10px 32px rgba(0,0,0,.5); color-scheme:dark}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{background:var(--paper);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.45}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
.wrap{max-width:1180px;margin:0 auto;padding-inline:16px;padding-block:14px 40px}
/* note */
.preview-note{font-size:12.5px;color:var(--muted);background:var(--soft);border:1px dashed var(--line);border-radius:8px;padding:6px 10px;margin-bottom:12px}

/* Login */
.login{min-height:78vh;display:grid;place-items:center}
.login-card{width:min(400px,100%);background:var(--sheet);border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:var(--shadow)}
.brand{display:flex;align-items:center;gap:10px}
.brand svg{flex:none}
.brand-name{font-family:var(--display);font-weight:800;font-size:21px;color:var(--navy);line-height:1.1}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase}
.field{display:grid;gap:5px;margin-top:14px}
.field label{font-size:13px;font-weight:600;color:var(--muted)}
.input,select.input,textarea.input{width:100%;background:var(--paper);border:1px solid var(--line);border-radius:9px;padding:9px 11px}
textarea.input{min-height:78px;resize:vertical}
.btn{border:1px solid var(--line);background:var(--sheet);border-radius:6px;padding:8px 13px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.btn:hover{background:var(--soft)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:var(--accent-ink)}
.btn.primary:hover{filter:brightness(1.05)}
.btn.ghost{border-color:transparent;background:transparent}
.btn.small{padding:5px 9px;font-size:13px}
.login .btn.primary{width:100%;justify-content:center;margin-top:18px;padding:11px}
.login small{display:block;color:var(--muted);margin-top:12px;font-size:12.5px}

/* App bar */
.bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;justify-content:space-between;margin-bottom:14px}
.bar-left{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.month{font-family:var(--display);font-weight:800;font-size:clamp(20px,2.6vw,26px);color:var(--ink);min-width:9ch}
.nav{display:flex;gap:4px}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--sheet)}
.seg button{border:0;background:transparent;padding:7px 12px;font-weight:600;cursor:pointer;color:var(--muted)}
.seg button[aria-pressed="true"]{background:var(--navy);color:var(--sheet)}
.bar-right{display:flex;gap:8px;flex-wrap:wrap}

.layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:16px}
@media (max-width:900px){.layout{grid-template-columns:minmax(0,1fr)}}

/* Month grid */
.cal{align-self:start;background:var(--sheet);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.dow,.grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr))}
.dow div{padding:8px 10px;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:700;border-bottom:1px solid var(--line)}
.day{min-height:112px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:6px;display:flex;flex-direction:column;gap:4px;cursor:pointer;min-width:0}
.day:nth-child(7n){border-right:0}
.day.out{background:var(--paper)}
.day.out .num{opacity:.45}
.day.weekend{background:color-mix(in srgb,var(--paper) 55%,var(--sheet))}
.day.today{background:var(--today)}
.num{font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;display:flex;justify-content:space-between;align-items:center}
.day.today .num > span:first-child{background:var(--coral);color:var(--accent-ink);border-radius:999px;padding:1px 7px}
.chip{display:block;width:100%;text-align:left;border:0;border-radius:6px;padding:3px 6px;font-size:12px;font-weight:600;line-height:1.25;cursor:pointer;background:color-mix(in srgb,var(--c) 16%,var(--sheet));color:var(--ink);border-left:3px solid var(--c);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chip.done{opacity:.55;text-decoration:line-through}
.chip.due::after{content:" · due";color:var(--c)}
.more{font-size:11.5px;color:var(--muted);padding-left:4px}
@media (max-width:640px){.day{min-height:64px;padding:4px}.chip{font-size:0;padding:0;height:6px;border-left-width:0;background:var(--c)}.chip.due::after{content:""}.dow div{padding:6px 4px;font-size:10px;letter-spacing:.02em}}

/* Week + agenda */
.week{display:grid;grid-template-columns:repeat(7,minmax(130px,1fr));gap:0;overflow-x:auto}
.wcol{border-right:1px solid var(--line);min-height:360px;padding:8px;display:flex;flex-direction:column;gap:6px}
.wcol:last-child{border-right:0}
.wcol h4{margin:0 0 4px;font-size:12px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted)}
.wcol h4 b{display:block;font-family:var(--display);font-size:20px;color:var(--ink);letter-spacing:0;text-transform:none;font-weight:800}
.wcard{border:1px solid var(--line);border-left:4px solid var(--c);border-radius:8px;padding:7px 8px;font-size:13px;cursor:pointer;background:var(--sheet);text-align:left}
.wcard .t{font-weight:700;line-height:1.25}
.wcard .m{color:var(--muted);font-size:12px;margin-top:2px}
.agenda{padding:6px 0}
.ag-day{display:grid;grid-template-columns:96px minmax(0,1fr);gap:12px;padding:12px 16px;border-bottom:1px solid var(--line)}
.ag-day:last-child{border-bottom:0}
.ag-date{font-family:var(--display);font-weight:800;font-size:17px;line-height:1.1}
.ag-date small{display:block;font-family:var(--body);font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.07em}
.ag-items{display:grid;gap:6px}

/* Side panel */
.side{display:grid;gap:14px;align-content:start}
.panel{background:var(--sheet);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.panel h3{margin:0 0 10px;font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.subj{display:flex;align-items:center;gap:8px;padding:4px 0;font-weight:600;font-size:14px}
.subj input[type=checkbox]{accent-color:var(--navy)}
.dot{width:10px;height:10px;border-radius:3px;background:var(--c);flex:none}
.count{margin-left:auto;color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}
.notes-list{display:grid;gap:6px}
.note-link{text-align:left;border:1px solid var(--line);border-radius:9px;background:var(--paper);padding:8px 10px;cursor:pointer}
.note-link b{display:block;font-size:13.5px}
.note-link span{font-size:12px;color:var(--muted)}

/* Drawer */
.scrim{position:fixed;inset:0;background:rgba(15,20,30,.35);z-index:20}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(460px,100%);background:var(--sheet);z-index:21;box-shadow:var(--shadow);display:flex;flex-direction:column;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
.drawer header{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:14px 16px;border-bottom:1px solid var(--line)}
.drawer header h2{margin:0;font-family:var(--display);font-weight:700;font-size:21px}
.drawer .body{padding:4px 16px 16px;overflow:auto;flex:1}
.drawer footer{display:flex;gap:8px;justify-content:space-between;padding:12px 16px;border-top:1px solid var(--line);flex-wrap:wrap}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media (max-width:420px){.row2{grid-template-columns:1fr}}
.links{display:grid;gap:6px}
.linkrow{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.4fr) auto;gap:6px;align-items:center}
.status{display:flex;gap:6px;flex-wrap:wrap}
.status label{display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line);border-radius:999px;padding:4px 10px;font-size:13px;font-weight:600;cursor:pointer}
.status input{accent-color:var(--navy)}
.confirm{background:var(--soft);border-radius:9px;padding:10px;font-size:13.5px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}

/* Modal */
.modal{position:fixed;inset:0;display:grid;place-items:center;z-index:30;padding:16px}
.modal .card{width:min(520px,100%);background:var(--sheet);border-radius:16px;box-shadow:var(--shadow);padding:20px;max-height:90vh;overflow:auto}
.modal h2{margin:0 0 4px;font-family:var(--display);font-weight:700;font-size:22px}
.modal p{color:var(--muted);margin:4px 0 12px}
.sharebox{display:flex;gap:8px}
.sharebox input{flex:1;min-width:0}
.checks{display:grid;gap:8px;margin:12px 0}
.checks label{display:flex;gap:8px;align-items:flex-start;font-size:14px}
.subj-edit{display:grid;grid-template-columns:36px minmax(0,1fr) auto;gap:8px;align-items:center;margin-bottom:8px}
.subj-edit input[type=color]{width:36px;height:34px;border:1px solid var(--line);border-radius:8px;padding:2px;background:var(--sheet)}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--sheet);padding:9px 16px;border-radius:999px;font-weight:600;z-index:40;font-size:14px}
.hint{font-size:13.5px;color:var(--muted);margin:10px 4px 0}
.notebook textarea{min-height:260px}

/* Day types (calendar key) */
.daybg{position:relative}
.day.typed{background:color-mix(in srgb,var(--t) 15%,var(--sheet))}
.day.typed.stripe,.ymd.stripe{background-image:repeating-linear-gradient(135deg,transparent 0 6px,color-mix(in srgb,var(--t) 22%,transparent) 6px 7px)}
.day.typed.dashed{outline:1.5px dashed var(--t);outline-offset:-3px}
.tag{font-size:10.5px;font-weight:700;color:color-mix(in srgb,var(--t) 75%,var(--ink));font-variant-numeric:tabular-nums;white-space:nowrap}
.tag .a{opacity:.7;font-weight:500;margin-left:3px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-bottom:14px}
.stat{background:var(--sheet);border:1px solid var(--line);border-radius:var(--radius);padding:10px 14px}
.stat b{display:block;font-family:var(--display);font-weight:700;font-size:26px;line-height:1.1;font-variant-numeric:tabular-nums}
.stat span{font-size:12.5px;color:var(--muted)}
.stat.ok b{color:var(--elec)} .stat.warn b{color:var(--accent)}
.key-item{display:flex;align-items:center;gap:8px;width:100%;border:1px solid transparent;background:transparent;border-radius:9px;padding:5px 6px;text-align:left;cursor:pointer;font-weight:600;font-size:13.5px}
.key-item:hover{background:var(--soft)}
.key-item[aria-pressed="true"]{border-color:var(--t);background:color-mix(in srgb,var(--t) 12%,var(--sheet))}
.sw{width:16px;height:16px;border-radius:4px;flex:none;background:color-mix(in srgb,var(--t) 30%,var(--sheet));border:1.5px solid var(--t)}
.sw.stripe{background-image:repeating-linear-gradient(135deg,transparent 0 3px,var(--t) 3px 4px)}
.sw.dashed{border-style:dashed}
.key-item small{display:block;font-weight:500;color:var(--muted);font-size:11.5px}
.brushbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;background:var(--sheet);border:1px solid var(--line);border-radius:var(--radius);padding:8px 12px;margin-bottom:12px;font-size:13.5px}
.year{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px;padding:12px}
.ym h4{margin:0 0 6px;font-family:var(--display);font-weight:700;font-size:17px;display:flex;justify-content:space-between;align-items:baseline}
.ym h4 small{font-family:var(--body);font-size:11.5px;color:var(--muted)}
.ygrid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:3px}
.ygrid .h{font-size:10px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);text-align:center}
.ymd{aspect-ratio:1/1;border:1px solid transparent;border-radius:5px;font-size:11.5px;padding:2px 3px;display:flex;flex-direction:column;justify-content:space-between;background:transparent;cursor:pointer;min-width:0;overflow:hidden;font-variant-numeric:tabular-nums;color:var(--muted)}
.ymd.typed{background-color:color-mix(in srgb,var(--t) 20%,var(--sheet));color:var(--ink)}
.ymd.dashed{border:1.5px dashed var(--t)}
.ymd.today{border:2px solid var(--accent)}
.ymd .s{align-self:flex-end;font-size:9.5px;font-weight:700;color:color-mix(in srgb,var(--t) 70%,var(--ink))}
.ymd:disabled{cursor:default;opacity:.4}
.type-edit{display:grid;grid-template-columns:36px minmax(0,1fr) 92px;gap:8px;align-items:center;border-top:1px solid var(--line);padding-top:10px;margin-top:10px}
.type-edit .opts{grid-column:2 / -1;display:flex;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.type-edit .opts label{display:inline-flex;gap:5px;align-items:center}
.type-edit input[type=color]{width:36px;height:34px;border:1px solid var(--line);border-radius:8px;padding:2px;background:var(--sheet)}

/* App shell */
body.in-app .wrap.login-wrap{display:none}
.topbar{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:linear-gradient(180deg,var(--brand),var(--coral));color:#fff;display:flex;align-items:center;gap:12px;padding:10px 16px;min-height:58px}
.topbar .brand-name{color:#fff;font-size:19px}
.topbar .brand-sub{color:rgba(255,255,255,.85)}
.topbar .grow{flex:1}
.topbar a.out{color:#fff;font-weight:600;font-size:13.5px;text-decoration:none;border:1px solid rgba(255,255,255,.6);border-radius:6px;padding:6px 10px;white-space:nowrap}
.topbar a.out:hover{background:rgba(255,255,255,.15)}
.avatar{width:34px;height:34px;border-radius:999px;background:rgba(255,255,255,.92);color:#147ab0;display:grid;place-items:center;font-weight:800;font-size:13px;flex:none}
.menu-btn{display:none;background:transparent;border:0;color:#fff;font-size:22px;cursor:pointer;padding:2px 6px}
.shell{display:grid;grid-template-columns:232px minmax(0,1fr);min-height:calc(100% - 58px)}
.sidenav{background:var(--sheet);border-right:1px solid var(--line);padding:14px 10px;display:flex;flex-direction:column;gap:2px;position:sticky;top:calc(58px + env(safe-area-inset-top,0px));align-self:start;height:calc(100vh - 58px);overflow:auto}
.sidenav h6{margin:14px 10px 6px;font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
.navi{display:flex;align-items:center;gap:10px;width:100%;border:0;background:transparent;text-align:left;padding:9px 10px;border-radius:6px;font-weight:600;font-size:14px;cursor:pointer;color:var(--ink)}
.navi svg{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;color:var(--muted)}
.navi:hover{background:var(--soft)}
.navi[aria-current="page"]{background:var(--soft);color:var(--brand-dark);box-shadow:inset 3px 0 0 var(--brand)}
.navi[aria-current="page"] svg{color:var(--brand)}
.soon{margin-left:auto;font-size:10.5px;font-weight:700;color:var(--coral);border:1px solid var(--coral);border-radius:999px;padding:0 6px}
.sidenav .addmore{margin-top:auto;font-size:12.5px;color:var(--muted);padding:10px;border-top:1px solid var(--line)}
main.content{padding-inline:20px;padding-block:18px 48px;min-width:0}
.pagehead{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:10px;margin-bottom:14px}
.pagehead h1{margin:0;font-size:clamp(22px,2.8vw,28px);font-weight:800;text-wrap:balance}
.pagehead p{margin:4px 0 0;color:var(--muted)}
.example{background:color-mix(in srgb,var(--coral) 14%,var(--sheet));border:1px solid color-mix(in srgb,var(--coral) 55%,var(--line));border-radius:var(--radius);padding:9px 12px;font-size:13.5px;margin-bottom:14px}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.card{background:var(--sheet);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;min-width:0}
.card h2{margin:0 0 8px;font-size:15px;font-weight:800}
.card .big{font-size:28px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1}
.muted{color:var(--muted)}
.list{display:grid;gap:6px;margin:0;padding:0;list-style:none}
.list li{display:flex;gap:8px;align-items:center;font-size:14px;min-width:0}
.list li .when{margin-left:auto;color:var(--muted);font-size:12.5px;white-space:nowrap}
.progress{height:10px;border-radius:999px;background:var(--soft);overflow:hidden;margin:8px 0 4px}
.progress i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--coral))}
.tbl{overflow-x:auto;background:var(--sheet);border:1px solid var(--line);border-radius:var(--radius)}
.tbl table{border-collapse:collapse;width:100%;min-width:520px;font-size:14px;font-variant-numeric:tabular-nums}
.tbl th,.tbl td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line)}
.tbl th{font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700;background:var(--soft)}
.tbl tr:last-child td{border-bottom:0}
.pill{display:inline-block;font-size:12px;font-weight:700;border-radius:999px;padding:2px 9px;background:var(--soft);color:var(--ink);white-space:nowrap}
.pill.late{background:color-mix(in srgb,var(--warn) 20%,var(--sheet));color:color-mix(in srgb,var(--warn) 70%,var(--ink))}
.pill.ok{background:color-mix(in srgb,var(--ok) 18%,var(--sheet));color:color-mix(in srgb,var(--ok) 70%,var(--ink))}
.grading{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:14px}
.qitem{width:100%;text-align:left;border:1px solid var(--line);border-left:4px solid var(--c);background:var(--sheet);border-radius:6px;padding:10px 12px;cursor:pointer;display:grid;gap:2px}
.qitem[aria-current="true"]{border-color:var(--brand);box-shadow:0 0 0 2px color-mix(in srgb,var(--brand) 30%,transparent);border-left-color:var(--c)}
.qitem b{font-size:14px}.qitem span{font-size:12.5px;color:var(--muted)}
.rubric{overflow-x:auto}
.rubric table{border-collapse:separate;border-spacing:6px;width:100%;min-width:560px}
.rubric td{vertical-align:top;height:1px}
.rubric th{font-size:13px;text-align:left;vertical-align:top;width:150px}
.rubric th small{display:block;color:var(--muted);font-weight:500}
.lvl{width:100%;height:100%;min-height:64px;display:block;text-align:left;border:1px solid var(--line);background:var(--paper);border-radius:6px;padding:8px;font-size:12.5px;cursor:pointer;line-height:1.35;vertical-align:top}
.lvl b{display:block;font-size:13px;margin-bottom:2px}
.lvl[aria-pressed="true"]{background:color-mix(in srgb,var(--brand) 16%,var(--sheet));border-color:var(--brand);box-shadow:inset 0 0 0 1px var(--brand)}
.total{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin:10px 0}
.total b{font-size:26px;font-weight:800;font-variant-numeric:tabular-nums}
.bars{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;align-items:end;height:190px;padding:10px 4px 0;position:relative}
.bars .goal{position:absolute;left:0;right:0;border-top:2px dashed var(--coral)}
.bars .goal span{position:absolute;right:0;top:-18px;font-size:11.5px;color:var(--muted);background:var(--sheet);padding:0 4px}
.bar-col{display:flex;flex-direction:column;align-items:center;gap:4px;height:100%;justify-content:flex-end}
.bar-col i{display:block;width:70%;max-width:56px;border-radius:6px 6px 2px 2px;background:linear-gradient(180deg,var(--brand),color-mix(in srgb,var(--brand) 60%,var(--coral)))}
.bar-col small{font-size:12px;color:var(--muted)}
.bar-col b{font-size:12.5px;font-variant-numeric:tabular-nums}
@media (max-width:860px){
  .shell{grid-template-columns:minmax(0,1fr)}
  .sidenav{position:static;height:auto;flex-direction:row;overflow-x:auto;border-right:0;border-bottom:1px solid var(--line);padding:8px 10px;gap:4px}
  .sidenav h6,.sidenav .addmore{display:none}
  .navi{width:auto;white-space:nowrap;padding:8px 10px}
  .navi[aria-current="page"]{box-shadow:inset 0 -3px 0 var(--brand)}
  .soon{display:none}
  main.content{padding-inline:16px}
  .grading{grid-template-columns:minmax(0,1fr)}
  .topbar a.out span{display:none}
}
@media (max-width:460px){.topbar .brand-sub{display:none}}

.today-lessons{margin-top:14px}
.lesson{border-top:1px solid var(--line);padding:12px 0}
.lesson:first-of-type{border-top:0}
.lesson-head{display:flex;flex-wrap:wrap;gap:6px 10px;align-items:baseline;margin-bottom:6px}
.lesson-head b{font-size:15px}
.lesson-head .muted{font-size:13px}
.steps{display:grid;gap:4px;margin:0;padding:0;list-style:none}
.step{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:10px;align-items:center;padding:6px 8px;border-radius:6px;font-size:14px}
.step:hover{background:var(--soft)}
.step .nm{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.step .nm small{color:var(--muted);margin-left:6px}
.st{font-size:12px;font-weight:700;border-radius:999px;padding:2px 9px;white-space:nowrap;display:inline-flex;align-items:center;gap:5px}
.st::before{content:"";width:7px;height:7px;border-radius:999px;background:currentColor}
.st.done{background:color-mix(in srgb,var(--ok) 16%,var(--sheet));color:color-mix(in srgb,var(--ok) 75%,var(--ink))}
.st.prog{background:color-mix(in srgb,var(--brand) 16%,var(--sheet));color:color-mix(in srgb,var(--brand) 75%,var(--ink))}
.st.not{background:var(--soft);color:var(--muted)}
.st.lock{background:var(--soft);color:var(--muted)}
.lesson-bar{display:flex;gap:3px;margin:4px 0 8px}
.lesson-bar i{flex:1;height:6px;border-radius:3px;background:var(--soft)}
.lesson-bar i.done{background:var(--ok)} .lesson-bar i.prog{background:var(--brand)}
@media (max-width:520px){.step{grid-template-columns:minmax(0,1fr) auto;row-gap:6px}.step .nm{white-space:normal}.step .adj{grid-column:1 / -1;justify-self:start}}
@media (prefers-reduced-motion:no-preference){.drawer{animation:slide .18s ease-out}@keyframes slide{from{transform:translateX(24px);opacity:.6}}}

/* Production additions */
.login-page{min-height:100%;display:grid;place-items:center;padding-inline:16px;padding-block:24px;background:linear-gradient(180deg,color-mix(in srgb,var(--brand) 14%,var(--paper)),var(--paper) 55%)}
.login-page .login-card{width:min(400px,100%)}
.err{background:color-mix(in srgb,var(--warn) 16%,var(--sheet));border:1px solid color-mix(in srgb,var(--warn) 50%,var(--line));color:var(--ink);border-radius:6px;padding:8px 10px;font-size:13.5px;margin-top:12px}
.okmsg{background:color-mix(in srgb,var(--ok) 14%,var(--sheet));border:1px solid color-mix(in srgb,var(--ok) 45%,var(--line));border-radius:6px;padding:8px 10px;font-size:13.5px;margin-top:12px}
.usermenu{position:relative}
.avatar{border:0;cursor:pointer}
.menu{position:absolute;right:0;top:44px;background:var(--sheet);color:var(--ink);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);min-width:210px;padding:6px;z-index:15;display:grid}
.menu a,.menu button{display:block;text-align:left;width:100%;border:0;background:transparent;padding:8px 10px;border-radius:6px;font-size:14px;color:var(--ink);text-decoration:none;cursor:pointer}
.menu a:hover,.menu button:hover{background:var(--soft)}
.soonbox{background:var(--sheet);border:1px dashed color-mix(in srgb,var(--brand) 45%,var(--line));border-radius:var(--radius);padding:22px;display:grid;gap:8px;max-width:640px}
.soonbox h2{margin:0;font-size:17px}
.soonbox ul{margin:0;padding-left:18px;color:var(--muted)}
.ro .navi:not([data-page=calendar]){display:none}
.readonly-banner{background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);padding:8px 12px;font-size:13.5px;margin-bottom:12px}
.saving{opacity:.6;pointer-events:none}