:root {
  color-scheme: light;
  --ink: #18322f;
  --muted: #62706e;
  --line: #dce5e2;
  --paper: #ffffff;
  --canvas: #f3f7f5;
  --green: #176b5b;
  --green-soft: #e5f3ee;
  --warm: #f6ead3;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.teacher-class-todo-form{display:flex;align-items:end;gap:10px;flex-wrap:wrap}.teacher-class-todo-form label{display:grid;gap:5px;min-width:min(320px,100%);font-size:.85rem;font-weight:700}.teacher-class-todo-form input{padding:9px 11px;border:1px solid #bfd0cb;border-radius:9px;background:#fff}.teacher-class-todo-form button{padding:9px 14px}

* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--canvas); }
button, a { font: inherit; }
a { color: var(--green); text-decoration: none; }
.prototype-note { display: none; }
.app-shell { min-height: 100vh; }
.sidebar { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 1rem; padding: .8rem clamp(1rem, 3vw, 2.5rem); background: var(--ink); color: white; }
.brand { display: flex; align-items: center; gap: .6rem; color: white; font-weight: 750; line-height: 1.05; }
.brand small { color: #b8cec9; font-size: .75rem; font-weight: 600; letter-spacing: .02em; white-space: nowrap; }
.brand-mark { display: block; width: 112px; height: auto; padding: 0; border-radius: 0; background: transparent; }
.brand-mark img { display: block; width: 100%; height: auto; }
.sidebar nav { display: flex; justify-content: center; flex-wrap: nowrap; gap: .15rem; }
.sidebar nav a { padding: .55rem .65rem; border-radius: 7px; color: #d3e0dc; font-size: .84rem; }
.sidebar nav a:hover, .sidebar nav a:focus-visible, .sidebar nav a.active { color: white; background: #294a46; }
.sidebar .nav-group{position:relative;margin:0}.sidebar .nav-group summary{padding:.55rem .65rem;border-radius:7px;color:#d3e0dc;font-size:.84rem;cursor:pointer;list-style:none;white-space:nowrap}.sidebar .nav-group summary::-webkit-details-marker{display:none}.sidebar .nav-group summary:after{content:"▾";margin-left:.35rem;font-size:.68rem}.sidebar .nav-group[open] summary,.sidebar .nav-group summary:hover,.sidebar .nav-group summary:focus-visible{color:#fff;background:#294a46}.sidebar .nav-group>div{position:absolute;z-index:50;top:calc(100% + 8px);right:0;display:grid;min-width:245px;max-height:min(70vh,590px);overflow-y:auto;padding:.5rem;border:1px solid #48645f;border-radius:10px;background:#18322f;box-shadow:0 14px 34px rgba(0,0,0,.28)}.sidebar .nav-group>div a{display:block;white-space:nowrap}.sidebar .nav-group>div a+a{margin-top:.12rem}.sidebar .nav-menu-heading{margin:.5rem .55rem .18rem;padding-top:.5rem;border-top:1px solid #36534f;color:#91aaa5;font-size:.66rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase}.sidebar .nav-menu-heading:first-child{margin-top:0;padding-top:.2rem;border-top:0}
.teacher-card { display: flex; align-items: center; gap: .6rem; margin: 0; padding: 0; border: 0; font-size: .78rem; }
.teacher-card > span:nth-child(2) { min-width: 0; overflow: hidden; }
.teacher-card strong { display: block; overflow: hidden; text-overflow: ellipsis; }
.teacher-card small { display: block; color: #9fb5b0; margin-top: .14rem; }
.sign-out { margin-left: auto; padding: .3rem .45rem; border: 1px solid #56706c; border-radius: 6px; background: transparent; color: #d3e0dc; font: inherit; cursor: pointer; }
.sign-out:hover, .sign-out:focus-visible { background: #294a46; color: white; }
.avatar { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: #d8a766; color: #30220e; font-weight: 750; }
main { width: min(1120px, 100%); margin: 0 auto; padding: 1.65rem clamp(1rem, 3vw, 2.5rem); }
.admin-workspace-page main { width: min(1360px, 100%); }
header, .section-heading { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
header { margin-bottom: 1.6rem; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: .35rem; font-family: Georgia, serif; font-size: clamp(1.75rem, 3vw, 2.4rem); font-weight: 500; letter-spacing: -.03em; }
h2 { margin-bottom: 0; font-size: 1.25rem; }
h3 { margin-bottom: .28rem; font-size: 1rem; }
.eyebrow { margin-bottom: .45rem; color: var(--green); font-size: .72rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }
.muted, article p, .builder-callout p { color: var(--muted); }
section { margin-bottom: 1.6rem; }
.anchor-target { display: block; scroll-margin-top: 1rem; }
.section-heading { margin-bottom: .7rem; }
.section-heading a { font-size: .86rem; font-weight: 700; }
.class-list { overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--paper); }
.class-card { display: grid; grid-template-columns: 82px 1fr auto; align-items: center; gap: .8rem; padding: .8rem 1rem; }
.class-card + .class-card { border-top: 1px solid var(--line); }
.class-card time { color: var(--green); font-weight: 750; }
.class-card time small { display: block; margin-top: .12rem; color: var(--muted); font-size: .72rem; font-weight: 600; }
.class-card p { margin-bottom: 0; font-size: .85rem; }
.next-class-card { overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--paper); }
.next-class-card .class-card { border: 0; }
.next-class-card .class-card + .class-card { border-top: 0; }
.class-join { display: inline-block; margin-top: .35rem; font-size: .78rem; font-weight: 750; }
.notice { padding: .85rem 1rem; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); color: var(--muted); }
.notice.error { border-color: #d5a29a; color: #8b3027; background: #fff5f3; }
.notice.today-empty { color: var(--ink); }
.teacher-welcome { background: linear-gradient(135deg,#fffdf4,#f2faf7); border: 1px solid #cfe2da; }
.welcome-copy { max-width: 850px; }
.welcome-copy h2 { margin: .2rem 0 .55rem; }
.welcome-copy p { margin: 0; color: var(--muted); }
.setup-checklist { list-style: none; padding: 0; margin: 1.25rem 0 .8rem; display: grid; gap: .65rem; }
.setup-checklist li { display: grid; grid-template-columns: 2.1rem minmax(0,1fr) auto; align-items: center; gap: .8rem; padding: .8rem .9rem; background: #fff; border: 1px solid #dce8e3; border-radius: 14px; }
.setup-checklist li>span { display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; background: var(--green); color: #fff; font-weight: 800; }
.setup-checklist strong,.setup-checklist small { display: block; }
.setup-checklist small { margin-top: .15rem; color: var(--muted); line-height: 1.35; }
.setup-checklist a { white-space: nowrap; font-weight: 750; color: var(--green); border: 1px solid var(--green); border-radius: 10px; padding: .55rem .7rem; text-decoration: none; }
.setup-checklist a:hover { background: #edf8f4; }
.welcome-important { margin: .7rem 0 0; color: #775800; }
@media (max-width:700px){.setup-checklist li{grid-template-columns:2.1rem 1fr}.setup-checklist a{grid-column:2;justify-self:start}}
.pill { padding: .36rem .58rem; border-radius: 999px; background: var(--green-soft); color: var(--green); font-size: .72rem; font-weight: 700; }
.pill.neutral { background: #edf0ef; color: #5f6e6b; }
.task-grid { display: grid; grid-template-columns: 1fr; gap: .45rem; }
.todo-row { overflow: hidden; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); }
.todo-row.urgent { border-left: 4px solid #d99650; }
.todo-row summary { display: grid; grid-template-columns: minmax(210px, 1.1fr) minmax(240px, 1.5fr) auto; align-items: center; gap: .8rem; padding: .7rem .85rem; cursor: pointer; list-style-position: outside; }
.todo-row summary:hover, .todo-row summary:focus-visible { background: #f8fbfa; }
.todo-row summary strong { font-size: .9rem; }
.todo-row summary span { overflow: hidden; color: var(--muted); font-size: .82rem; text-overflow: ellipsis; white-space: nowrap; }
.todo-row summary small { color: #788683; font-size: .76rem; white-space: nowrap; }
.todo-detail { padding: .8rem 1rem .9rem 2rem; border-top: 1px solid var(--line); background: #fbfcfc; }
.todo-detail p { margin-bottom: .65rem; }
.monthly-availability-actions { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.task-card { display: grid; grid-template-columns: auto 1fr; gap: .65rem; min-height: 145px; padding: .85rem; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); }
.task-card.urgent { border-top: 4px solid #d99650; padding-top: calc(1.15rem - 3px); }
.task-card p { margin-bottom: .35rem; font-size: .82rem; }
.task-card small { color: #86918f; }
.task-icon { display: grid; place-items: center; align-self: start; width: 30px; height: 30px; border-radius: 8px; background: var(--green-soft); color: var(--green); font-weight: 800; }
button { align-self: end; justify-self: start; min-height: 38px; padding: .55rem .9rem; border: 1px solid var(--green); border-radius: 8px; color: white; background: var(--green); cursor: pointer; font-weight: 700; }
button:hover, button:focus-visible { filter: brightness(.92); }
button.secondary { color: var(--green); background: transparent; }
.secondary-action { display: inline-flex; align-items: center; justify-content: center; min-height: 38px; padding: .55rem .9rem; border: 1px solid var(--green); border-radius: 8px; color: var(--green); background: transparent; font-weight: 700; }
.secondary-action:hover, .secondary-action:focus-visible { background: var(--green-soft); }
[aria-disabled="true"] { cursor: not-allowed; opacity: .62; }
.task-card button { grid-column: 2; }
.task-action { grid-column: 2; align-self: end; justify-self: start; display: inline-flex; min-height: 38px; align-items: center; padding: .55rem .9rem; border: 1px solid var(--green); border-radius: 8px; color: var(--green); background: transparent; font-weight: 700; }
.builder-callout { display: flex; align-items: center; justify-content: space-between; gap: 1.25rem; padding: 1.1rem 1.25rem; border-radius: 14px; color: white; background: linear-gradient(120deg, #173b36, #176b5b); }
.builder-callout .eyebrow { color: #9edcc8; }
.builder-callout p { margin-bottom: 0; color: #d1e4df; }
.builder-callout button, .builder-action { flex: none; display: inline-flex; align-items: center; justify-content: center; min-height: 38px; padding: .55rem .9rem; border: 1px solid #bfe8d7; border-radius: 8px; color: var(--ink); background: #bfe8d7; font-weight: 700; }
.builder-action:hover, .builder-action:focus-visible { filter: brightness(.92); }

@media (max-width: 1180px) {
  .sidebar { grid-template-columns: auto 1fr; }
  .teacher-card { grid-column: 2; grid-row: 1; justify-self: end; }
  .sidebar nav { grid-column: 1 / -1; grid-row: 2; justify-content: center; flex-wrap: wrap; overflow: visible; }
  .sidebar nav a { white-space: nowrap; }
  .sidebar .nav-group{flex:0 0 auto}.sidebar .nav-group>div{right:0;left:auto}
  main { padding-top: 1.35rem; }
  .task-grid { grid-template-columns: 1fr; }
  .task-card { min-height: 110px; }
}

@media (max-width: 700px) {
  .sidebar nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); overflow: visible; gap: .18rem; }
  .sidebar nav a { padding: .42rem .28rem; text-align: center; white-space: normal; font-size: .75rem; line-height: 1.15; }
  .sidebar .nav-group summary{padding:.42rem .28rem;text-align:center;white-space:normal;font-size:.75rem;line-height:1.15}.sidebar .nav-group>div{position:fixed;z-index:80;top:auto;right:12px;bottom:12px;left:12px;min-width:0;padding:.7rem;border-radius:14px}.sidebar .nav-group>div a{padding:.7rem;text-align:left;font-size:.82rem}
  .todo-row summary { grid-template-columns: 1fr auto; gap: .25rem .6rem; }
  .todo-row summary span { grid-column: 1 / -1; }
  .todo-row summary small { grid-column: 2; grid-row: 1; }
  .todo-detail { padding-left: 1rem; }
}

@media (max-width: 560px) {
  header, .builder-callout { align-items: flex-start; flex-direction: column; }
  header { margin-bottom: 1.25rem; }
  .class-card { grid-template-columns: 75px 1fr; }
  .class-card .pill { display: none; }
  .teacher-card .avatar { display: none; }
  .teacher-card small { max-width: 155px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
}

@media (max-width: 430px) {
  .sidebar { grid-template-columns: 1fr; }
  .teacher-card { grid-column: 1; grid-row: 2; justify-self: stretch; }
  .sidebar nav { grid-column: 1; grid-row: 3; grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.form-success{color:#08745f;font-weight:700;margin:0}
.class-partner-chip{display:inline-flex;align-items:center;gap:.35rem;flex-wrap:wrap;margin:.2rem .4rem .2rem 0}
.partner-remove-button{border:0;background:transparent;color:#9b2c2c;padding:.15rem .25rem;text-decoration:underline;font-size:.82rem;cursor:pointer}
.partner-remove-button:hover{color:#641b1b}
.class-directory-row{cursor:pointer}
.class-directory-row:hover{box-shadow:0 5px 18px rgba(5,78,66,.12)}
body.class-edit-window .sidebar,body.class-edit-window main>header,body.class-edit-window #classes>.section-heading,body.class-edit-window #classes>.schedule-heading,body.class-edit-window #class-list,body.class-edit-window #parent-notice-importer,body.class-edit-window #notice-class-form,body.class-edit-window #teacher-schedule-panel,body.class-edit-window #parent-notice-generator,body.class-edit-window #classes>.manual-class-tools{display:none!important}
body.class-edit-window .app-shell{display:block;max-width:1180px;margin:0 auto}
body.class-edit-window main{padding-top:2rem}
.weekly-class-label{grid-column:1/-1;margin:.25rem 0 0;color:#075f50;border-bottom:1px solid #d7e7e2;padding-bottom:.45rem}
.sidebar [data-admin-only]{display:none!important}