:root {
  --bg: #f6f5f2;
  --surface: #ffffff;
  --surface-2: #efede8;
  --text: #1b1a17;
  --muted: #6d6a63;
  --line: #e4e1da;
  --accent: #3b5bdb;
  --danger: #d9480f;
  --ok: #2b8a3e;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 4px 16px rgba(0,0,0,.04);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111110; --surface: #1a1a18; --surface-2: #232320; --text: #eceae4;
    --muted: #9a978f; --line: #2c2b27; --danger: #ff8a50; --ok: #69db7c;
    --shadow: none;
  }
}
:root[data-theme="dark"] {
  --bg: #111110; --surface: #1a1a18; --surface-2: #232320; --text: #eceae4;
  --muted: #9a978f; --line: #2c2b27; --danger: #ff8a50; --ok: #69db7c;
  --shadow: none;
}

* { box-sizing: border-box; margin: 0; }
[hidden] { display: none !important; }
body { background: var(--bg); color: var(--text); font: 15px/1.5 Inter, system-ui, sans-serif; -webkit-font-smoothing: antialiased; }
button, input, select { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
a { color: inherit; }
.link { text-decoration: underline; color: var(--muted); font-size: 13px; }
.link:hover { color: var(--text); }
.btn { padding: 10px 16px; border-radius: 10px; font-weight: 600; background: var(--surface-2); }
.btn.primary { background: var(--accent); color: #fff; }
.btn:disabled { opacity: .6; cursor: default; }

.app { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }

/* Sidebar */
.side { border-right: 1px solid var(--line); padding: 24px 16px; display: flex; flex-direction: column; gap: 28px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brand { font: italic 26px/1 "Instrument Serif", serif; padding: 0 8px; text-decoration: none; overflow-wrap: anywhere; }
.brand.big { font-size: 44px; padding: 0; }
.nav { display: flex; flex-direction: column; gap: 2px; }
.nav a { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px; color: var(--muted); text-decoration: none; font-weight: 500; white-space: nowrap; }
.nav a:hover { background: var(--surface-2); color: var(--text); }
.nav a.on { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }
.nav svg { width: 18px; height: 18px; flex: none; }
.nav .ext { margin-left: auto; font-size: 12px; opacity: .6; }
.side h6 { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); padding: 0 10px 8px; font-weight: 600; }
.course-link { display: flex; align-items: center; gap: 10px; padding: 6px 10px; border-radius: 8px; text-decoration: none; font-size: 14px; }
.course-link:hover { background: var(--surface-2); }
.course-link.on { background: var(--surface); box-shadow: var(--shadow); font-weight: 500; }
.dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.side .foot { margin-top: auto; display: flex; align-items: center; gap: 4px; padding: 0 4px 0 8px; }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--accent); color: #fff; display: grid; place-items: center; font-weight: 600; font-size: 13px; flex: none; margin-right: 4px; }
.foot-name { font-size: 14px; font-weight: 500; margin-right: auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.icon-btn { padding: 6px; border-radius: 8px; color: var(--muted); display: grid; place-items: center; flex: none; }
.icon-btn:hover { background: var(--surface-2); color: var(--text); }

/* Main */
main { padding: 40px 48px 64px; max-width: 1180px; width: 100%; min-width: 0; }
.hello { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 32px; flex-wrap: wrap; }
.hello h1 { font: 44px/1.05 "Instrument Serif", serif; letter-spacing: -.01em; }
.hello h1 em { color: var(--accent); }
.hello p { color: var(--muted); margin-top: 6px; }
.stats { display: flex; gap: 10px; flex-wrap: wrap; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 10px 16px; min-width: 104px; }
.stat b { display: block; font-size: 22px; font-weight: 600; }
.stat span { font-size: 12px; color: var(--muted); }
.stat.warn b { color: var(--danger); }

.grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 20px; align-items: start; }
.stack { display: grid; gap: 20px; min-width: 0; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); min-width: 0; }
.card-h { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 20px 12px; }
.card-h h2 { font-size: 15px; font-weight: 600; }
.card-h a { font-size: 13px; color: var(--muted); text-decoration: none; white-space: nowrap; }
.card-h a:hover { color: var(--accent); }
.empty { padding: 8px 20px 20px; color: var(--muted); font-size: 14px; }
.hint { font-size: 12px; color: var(--muted); margin-top: 6px; }
.card-h .hint { margin: 0; text-align: right; }

.loading { display: flex; align-items: center; gap: 12px; color: var(--muted); padding: 48px 0; justify-content: center; }
.spin { width: 18px; height: 18px; border: 2px solid var(--line); border-top-color: var(--accent); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.error-card { padding: 28px; display: grid; gap: 10px; justify-items: start; }
.error-card h2 { font-size: 17px; }
.error-card p { color: var(--muted); font-size: 14px; }

/* Week strip */
.week { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; padding: 0 20px 16px; }
.day { border-radius: 10px; padding: 8px 4px; text-align: center; background: var(--surface-2); }
.day small { display: block; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.day b { font-size: 18px; font-weight: 600; }
.day .pips { display: flex; justify-content: center; gap: 3px; height: 6px; margin-top: 4px; }
.day .pips i { width: 6px; height: 6px; border-radius: 50%; }
.day.today { background: var(--text); color: var(--bg); }
.day.today small { color: inherit; opacity: .7; }

/* Due list (with checkboxes) */
.due { list-style: none; padding: 0 8px 8px; }
.due li { display: grid; grid-template-columns: 22px 1fr auto; align-items: center; gap: 12px; padding: 12px; border-radius: 10px; }
.due li:hover { background: var(--surface-2); }
.check { width: 20px; height: 20px; border-radius: 6px; border: 1.5px solid var(--line); display: grid; place-items: center; }
.check:hover { border-color: var(--muted); }
.due li.done .check { background: var(--ok); border-color: var(--ok); color: #fff; }
.due li.done .t { text-decoration: line-through; color: var(--muted); }
.due .t { font-weight: 500; text-decoration: none; }
.due a.t:hover { text-decoration: underline; }
.meta { font-size: 13px; color: var(--muted); display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.when { font-size: 13px; font-weight: 500; white-space: nowrap; color: var(--muted); text-align: right; }
.when.soon { color: var(--danger); }

/* Course cards */
.section-title { font-size: 15px; font-weight: 600; margin-top: 36px; }
.courses { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; margin-top: 20px; }
.course { padding: 18px 20px; position: relative; overflow: hidden; text-decoration: none; display: block; transition: transform .15s; }
.course:hover { transform: translateY(-2px); }
.course::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 4px; background: var(--c); }
.course .code { font-size: 12px; color: var(--muted); font-weight: 500; }
.course h3 { font-size: 16px; font-weight: 600; margin: 2px 0 14px; }
.grade-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.grade { font: 34px/1 "Instrument Serif", serif; }
.grade.big { font-size: 52px; }
.bar { height: 6px; background: var(--surface-2); border-radius: 3px; margin-top: 10px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--c, var(--accent)); border-radius: 3px; }
.course .next { font-size: 13px; color: var(--muted); margin-top: 12px; }

/* Announcements */
.ann { padding: 0 20px 12px; }
.ann article { padding: 12px 0; border-top: 1px solid var(--line); }
.ann article:first-child { border-top: 0; }
.ann a { text-decoration: none; display: block; }
.ann a:hover h4 { text-decoration: underline; }
.ann .meta { font-size: 12px; gap: 6px; }
.ann h4 { font-size: 14px; font-weight: 600; margin: 4px 0 2px; }
.ann p { font-size: 13px; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.ann.full p { -webkit-line-clamp: 6; }

/* Course page */
.back { display: inline-flex; align-items: center; gap: 6px; color: var(--muted); text-decoration: none; font-size: 14px; margin-bottom: 14px; }
.back:hover { color: var(--text); }
.hero { border-radius: 18px; padding: 28px 32px; color: #fff; background: var(--c); position: relative; overflow: hidden; display: flex; justify-content: space-between; align-items: end; gap: 24px; flex-wrap: wrap; }
.hero::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 85% 0%, rgba(255,255,255,.22), transparent 55%), linear-gradient(180deg, transparent, rgba(0,0,0,.18)); pointer-events: none; }
.hero > * { position: relative; z-index: 1; }
.hero .code { font-size: 13px; font-weight: 600; opacity: .85; letter-spacing: .04em; }
.hero h1 { font: 46px/1.05 "Instrument Serif", serif; margin: 4px 0 10px; overflow-wrap: anywhere; }
.hero .info { display: flex; gap: 18px; font-size: 14px; opacity: .9; flex-wrap: wrap; }
.hero .open { color: #fff; font-size: 14px; font-weight: 500; text-decoration: none; background: rgba(255,255,255,.18); padding: 8px 14px; border-radius: 10px; white-space: nowrap; }
.hero .open:hover { background: rgba(255,255,255,.28); }

.tabs { display: flex; gap: 4px; margin: 20px 0; border-bottom: 1px solid var(--line); overflow-x: auto; overflow-y: hidden; scrollbar-width: none; }
.tabs a { padding: 10px 14px; text-decoration: none; color: var(--muted); font-weight: 500; font-size: 14px; border-bottom: 2px solid transparent; margin-bottom: -1px; white-space: nowrap; }
.tabs a:hover { color: var(--text); }
.tabs a.on { color: var(--text); border-color: var(--c); }

.rows { list-style: none; padding: 0 8px 8px; }
.rows .row { display: grid; grid-template-columns: 32px 1fr auto; gap: 12px; align-items: center; padding: 10px 12px; border-radius: 10px; text-decoration: none; }
.rows a.row:hover, .rows div.row:hover { background: var(--surface-2); }
.rows .rt { font-weight: 500; }
.rows li.subhead { font-size: 12px; font-weight: 600; color: var(--muted); padding: 10px 12px 2px; text-transform: uppercase; letter-spacing: .05em; }
.type { width: 32px; height: 32px; border-radius: 8px; display: grid; place-items: center; background: color-mix(in srgb, var(--c, var(--accent)) 14%, transparent); color: var(--c, var(--accent)); }
.type svg { width: 16px; height: 16px; }
.score { text-align: right; font-size: 14px; font-weight: 600; white-space: nowrap; }
.score small { display: block; font-weight: 400; color: var(--muted); font-size: 12px; }
.pill { font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 99px; background: var(--surface-2); color: var(--muted); }
.pill.late { background: color-mix(in srgb, var(--danger) 15%, transparent); color: var(--danger); }
.pill.ok { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); }
.sub-h { font-size: 12px; font-weight: 600; color: var(--muted); padding: 14px 20px 4px; text-transform: uppercase; letter-spacing: .06em; }
.sub-h.warn { color: var(--danger); }

details.mod { border-top: 1px solid var(--line); }
details.mod:first-of-type { border-top: 0; }
details.mod summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 12px; padding: 16px 20px; font-weight: 600; }
details.mod summary::-webkit-details-marker { display: none; }
details.mod summary .chev { transition: transform .15s; color: var(--muted); flex: none; }
details.mod[open] summary .chev { transform: rotate(90deg); }
details.mod summary .prog { margin-left: auto; font-size: 13px; color: var(--muted); font-weight: 500; white-space: nowrap; }
details.mod .rows { padding-bottom: 12px; }
.tick { color: var(--ok); }

.weights { padding: 0 20px 16px; display: grid; gap: 14px; }
.weights .w-top { display: flex; justify-content: space-between; gap: 12px; font-size: 14px; }
.weights .w-top span { color: var(--muted); text-align: right; font-size: 13px; }
.kv { padding: 0 20px 16px; display: grid; gap: 10px; font-size: 14px; }
.kv div { display: flex; justify-content: space-between; gap: 12px; }
.kv span { color: var(--muted); flex: none; }
.kv div > :last-child { text-align: right; }
.gbody { padding: 0 20px 18px; }

/* Grades: stats, what-if inputs */
.gstats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 20px; }
.gstats .stat { padding: 14px 18px; }
.gstats .stat b { font: 34px/1.1 "Instrument Serif", serif; }
.gstats .stat b small { font: 500 14px Inter, sans-serif; color: var(--muted); margin-left: 6px; }
.gstats .stat span { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; font-size: 13px; }
.wi { width: 64px; padding: 5px 8px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); text-align: right; font-weight: 600; font-size: 14px; -moz-appearance: textfield; }
.wi::-webkit-inner-spin-button, .wi::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.wi:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.rows li.changed .wi { border-color: var(--accent); color: var(--accent); background: color-mix(in srgb, var(--accent) 10%, transparent); }
.stat .wi { width: 52px; padding: 2px 6px; font-size: 13px; }
.footnote { font-size: 12px; color: var(--muted); margin-top: 16px; }

/* All-grades page */
.grow { display: grid; grid-template-columns: 10px minmax(0, 1fr) minmax(80px, 200px) 90px; gap: 16px; align-items: center; padding: 14px 20px; text-decoration: none; border-top: 1px solid var(--line); }
.grow:first-child { border-top: 0; }
.grow:hover { background: var(--surface-2); }
.grow .bar { margin: 0; }
.grow .score b { font: 26px/1 "Instrument Serif", serif; display: block; }

/* Assignment page */
.ahead { padding: 24px 28px; position: relative; overflow: hidden; }
.ahead::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 5px; background: var(--c); }
.ahead .code { font-size: 13px; color: var(--muted); font-weight: 500; }
.ahead h1 { font: 40px/1.1 "Instrument Serif", serif; margin: 4px 0 18px; overflow-wrap: anywhere; }
.facts { display: flex; flex-wrap: wrap; gap: 12px 32px; }
.facts div { display: grid; }
.facts span { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; font-weight: 600; }
.facts b { font-weight: 600; font-size: 15px; }
.facts small { font-size: 12px; color: var(--muted); }
.agrid { margin-top: 20px; }
.grade small.of { font-size: 24px; color: var(--muted); }
.rt.plain { text-decoration: none; display: block; }
.rt.plain:hover { text-decoration: underline; }
.rows.tight { padding: 0; margin-top: 8px; }
.extlink { color: var(--accent); overflow-wrap: anywhere; }
.warn-text { color: var(--danger); }

.prose { font-size: 15px; line-height: 1.65; overflow-wrap: anywhere; }
.prose.pad { padding: 0 20px 20px; }
.prose > * + * { margin-top: .75em; }
.prose h1, .prose h2, .prose h3, .prose h4 { font-weight: 600; line-height: 1.3; margin-top: 1.2em; }
.prose h1 { font-size: 20px; } .prose h2 { font-size: 18px; } .prose h3, .prose h4 { font-size: 16px; }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li + li { margin-top: .25em; }
.prose a { color: var(--accent); }
.prose img { max-width: 100%; height: auto; border-radius: 8px; }
.prose blockquote { border-left: 3px solid var(--line); padding-left: 14px; color: var(--muted); }
.prose pre, .prose code { font-family: ui-monospace, Consolas, monospace; font-size: 13px; background: var(--surface-2); border-radius: 6px; }
.prose code { padding: 1px 5px; }
.prose pre { padding: 12px; overflow-x: auto; }
.prose table { border-collapse: collapse; width: 100%; font-size: 14px; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--line); padding: 6px 10px; text-align: left; }
.prose hr { border: 0; border-top: 1px solid var(--line); }
.prose.submitted { margin-top: 12px; padding: 12px 14px; background: var(--surface-2); border-radius: 10px; font-size: 14px; }

.thread { padding: 0 20px 12px; }
.entry { padding: 12px 0; border-top: 1px solid var(--line); }
.thread > .entry:first-child { border-top: 0; padding-top: 0; }
.entry .prose { font-size: 14px; margin-top: 4px; }
.replies { margin: 10px 0 0 14px; padding-left: 14px; border-left: 2px solid var(--line); }
.replies .entry { border-top: 0; padding: 8px 0; }
.comment { font-size: 14px; margin-top: 4px; white-space: pre-wrap; }

.rubric { padding: 0 20px 16px; display: grid; gap: 16px; }
.crit { border-top: 1px solid var(--line); padding-top: 14px; }
.crit:first-child { border-top: 0; padding-top: 0; }
.crit-h { display: flex; justify-content: space-between; gap: 12px; }
.crit-h p { font-size: 13px; color: var(--muted); margin-top: 2px; }
.ratings { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 6px; margin-top: 10px; }
.rating { border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; font-size: 12px; display: grid; gap: 2px; }
.rating b { font-size: 14px; }
.rating span { color: var(--muted); }
.rating.on { border-color: var(--c, var(--accent)); background: color-mix(in srgb, var(--c, var(--accent)) 10%, transparent); }
.crit-note { font-size: 13px; color: var(--muted); font-style: italic; margin-top: 8px; }

.submit { display: grid; gap: 12px; }
.submit-off { display: grid; gap: 12px; justify-items: start; }
.area { width: 100%; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); font: inherit; line-height: 1.55; resize: vertical; }
.area:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.submit .hint { margin-top: -6px; }
.drop { position: relative; display: grid; justify-items: center; gap: 4px; padding: 22px 16px; border: 1.5px dashed var(--line); border-radius: 12px; cursor: pointer; text-align: center; color: var(--muted); }
.drop:hover, .drop.over { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 6%, transparent); color: var(--text); }
.drop b { color: var(--text); font-weight: 600; }
.drop svg { width: 22px; height: 22px; }
.drop input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.progress { height: 6px; background: var(--surface-2); border-radius: 3px; overflow: hidden; }
.progress i { display: block; height: 100%; width: 0; background: var(--accent); transition: width .2s; }
.submit .btn.primary { justify-self: start; }
.btn.primary[href] { text-decoration: none; display: inline-block; }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: grid; place-items: center; padding: 16px; z-index: 20; }
.modal-card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 24px; width: min(480px, 100%); display: grid; gap: 14px; max-height: 90vh; overflow-y: auto; }
.modal-card h2 { font: 26px/1.15 "Instrument Serif", serif; }
.modal-card .preview { background: var(--surface-2); border-radius: 10px; padding: 10px 12px; font-size: 14px; white-space: pre-wrap; overflow-wrap: anywhere; margin-top: 8px; }
.modal-card ul.plain { padding-left: 18px; margin-top: 8px; font-size: 14px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 18px; border-radius: 10px; font-weight: 500; z-index: 30; box-shadow: 0 6px 24px rgba(0,0,0,.2); }

/* Nav badge */
.badge { margin-left: auto; min-width: 20px; height: 20px; padding: 0 6px; border-radius: 10px; background: var(--accent); color: #fff; font-size: 11px; font-weight: 700; display: grid; place-items: center; }
.unread-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex: none; display: inline-block; }

/* To-do */
.filters { display: flex; flex-wrap: wrap; gap: 6px; padding: 16px 16px 4px; align-items: center; }
.fchip { display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 99px; border: 1px solid var(--line); font-size: 13px; font-weight: 500; color: var(--muted); }
.fchip:hover { color: var(--text); border-color: var(--muted); }
.fchip.on { background: var(--text); color: var(--bg); border-color: var(--text); }
.toggle { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); cursor: pointer; }
.filters .toggle { margin-left: auto; padding-left: 8px; }
.toggle input { accent-color: var(--accent); width: 15px; height: 15px; }
.tlist li.trow { grid-template-columns: 22px 32px 1fr auto; padding: 10px 12px; }
.tmain { min-width: 0; }
.tmain .t { display: block; overflow: hidden; text-overflow: ellipsis; }
.trow.done .type { opacity: .45; }
.bar.big { height: 10px; border-radius: 5px; margin: 0 0 16px; }
.bar.big i { border-radius: 5px; }
.minibars { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; align-items: end; }
.mb { display: grid; gap: 6px; justify-items: center; font-size: 11px; color: var(--muted); font-weight: 600; }
.mb.today span { color: var(--text); }
.mb-col { position: relative; width: 100%; max-width: 26px; height: 64px; background: var(--surface-2); border-radius: 6px; overflow: hidden; }
.mb-col i { position: absolute; left: 0; right: 0; bottom: 0; border-radius: 6px; }
.mb-col .all { background: color-mix(in srgb, var(--accent) 30%, transparent); }
.mb-col .fin { background: var(--accent); }
.bycourse { display: block; width: 100%; text-align: left; border-radius: 8px; padding: 2px 0; }
.bycourse:hover b { text-decoration: underline; }

/* Calendar */
.cal-head { align-items: center; }
.cal-nav { display: flex; gap: 6px; }
.cal-nav .btn { min-width: 40px; }
.cal-grid { grid-template-columns: minmax(0, 2.2fr) minmax(260px, 1fr); }
.cal-card { overflow: hidden; }
.cweek { display: grid; grid-template-columns: repeat(7, 1fr); border-bottom: 1px solid var(--line); }
.cweek span { padding: 10px 8px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.cgrid { display: grid; grid-template-columns: repeat(7, 1fr); grid-auto-rows: minmax(104px, auto); }
.cday { display: flex; flex-direction: column; gap: 4px; align-items: stretch; text-align: left; padding: 6px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); min-width: 0; }
.cday:nth-child(7n) { border-right: 0; }
.cday:hover { background: var(--surface-2); }
.cday.out { color: var(--muted); background: color-mix(in srgb, var(--surface-2) 45%, transparent); }
.cday.sel { box-shadow: inset 0 0 0 2px var(--accent); }
.cnum { font-size: 13px; font-weight: 600; width: 24px; height: 24px; display: grid; place-items: center; border-radius: 50%; }
.cday.today .cnum { background: var(--accent); color: #fff; }
.chips { display: grid; gap: 3px; min-width: 0; }
.chip { font-size: 11.5px; line-height: 1.3; padding: 2px 6px; border-radius: 5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; background: color-mix(in srgb, var(--c) 16%, transparent); color: var(--text); border-left: 3px solid var(--c); }
.chip.event { background: var(--c); color: #fff; border-left: 0; }
.chip.done { opacity: .5; text-decoration: line-through; }
.more { font-size: 11px; color: var(--muted); padding-left: 4px; }
.cdots { display: none; gap: 3px; justify-content: center; }
.cdots i { width: 6px; height: 6px; border-radius: 50%; }
.ev-desc { font-size: 12px; color: var(--muted); margin-top: 4px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.cal-filter { padding: 0 20px 16px; display: grid; gap: 10px; }
.cal-filter .toggle { color: var(--text); font-size: 14px; }

/* Inbox */
.mail { display: grid; grid-template-columns: minmax(280px, 380px) minmax(0, 1fr); gap: 20px; align-items: start; }
.mail-list { overflow: hidden; }
.mail-tools { padding: 14px; display: grid; gap: 10px; border-bottom: 1px solid var(--line); }
.area.sel { padding: 8px 10px; cursor: pointer; }
.convos { list-style: none; padding: 0; max-height: calc(100vh - 260px); overflow-y: auto; }
.convo { display: grid; gap: 2px; padding: 12px 16px; border-bottom: 1px solid var(--line); text-decoration: none; }
.convo:hover { background: var(--surface-2); }
.convo.on { background: color-mix(in srgb, var(--accent) 10%, transparent); box-shadow: inset 3px 0 0 var(--accent); }
.convo-top { display: flex; justify-content: space-between; gap: 8px; font-size: 14px; }
.convo-top b { font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.convo.unread .convo-top b, .convo.unread .convo-subj { font-weight: 700; }
.convo-subj { font-size: 14px; display: flex; align-items: center; gap: 6px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.convo-prev { font-size: 13px; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.mail-read { min-height: 420px; display: flex; flex-direction: column; }
.mail-empty { margin: auto; display: grid; justify-items: center; gap: 10px; color: var(--muted); padding: 48px 16px; }
.mail-empty svg { width: 36px; height: 36px; opacity: .6; }
.thread-h { padding: 20px 24px 14px; border-bottom: 1px solid var(--line); }
.thread-h h2 { font: 28px/1.15 "Instrument Serif", serif; margin-bottom: 4px; overflow-wrap: anywhere; }
.mail-back { display: none; }
.msgs { padding: 20px 24px; display: grid; gap: 16px; max-height: calc(100vh - 380px); min-height: 160px; overflow-y: auto; }
.msg { display: grid; gap: 6px; justify-items: start; max-width: 85%; }
.msg.mine { justify-self: end; justify-items: end; }
.bubble { background: var(--surface-2); padding: 10px 14px; border-radius: 14px 14px 14px 4px; white-space: pre-wrap; overflow-wrap: anywhere; font-size: 14.5px; line-height: 1.55; }
.msg.mine .bubble { background: var(--accent); color: #fff; border-radius: 14px 14px 4px 14px; }
.reply { border-top: 1px solid var(--line); padding: 14px 24px 18px; display: grid; gap: 10px; margin-top: auto; }
.reply-actions { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.compose { padding: 20px 24px 24px; display: grid; gap: 16px; }
.compose .btn.primary { justify-self: start; }
.to-box { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; padding: 6px 8px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); }
.to-box:focus-within { outline: 2px solid var(--accent); outline-offset: -1px; }
.to-box input { flex: 1; min-width: 140px; border: 0; background: none; padding: 4px; outline: none; }
.rcpt { display: inline-flex; align-items: center; gap: 6px; background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--text); padding: 3px 4px 3px 10px; border-radius: 99px; font-size: 13px; font-weight: 500; }
.rcpt button { width: 18px; height: 18px; border-radius: 50%; font-size: 10px; color: var(--muted); }
.rcpt button:hover { background: var(--surface-2); color: var(--text); }
.to-results { display: grid; border: 1px solid var(--line); border-radius: 10px; margin-top: 6px; overflow: hidden; }
.to-results button { text-align: left; padding: 8px 12px; font-size: 14px; border-top: 1px solid var(--line); }
.to-results button:first-child { border-top: 0; }
.to-results button:hover { background: var(--surface-2); }
.compose .link { margin-top: 6px; }

/* Sign-in */
.login { min-height: 100vh; display: grid; place-items: center; padding: 32px 16px; }
.login-card { width: min(440px, 100%); display: grid; gap: 20px; }
.login-sub { color: var(--muted); margin-top: -8px; }
.login form { display: grid; gap: 16px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; }
.pw { position: relative; }
.pw input { padding-right: 44px !important; }
.pw .icon-btn { position: absolute; right: 4px; top: 50%; transform: translateY(-50%); }
.remember { display: flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; }
.remember input { accent-color: var(--accent); width: 16px; height: 16px; }
.login-err { color: var(--danger); font-size: 14px; min-height: 0; }
.login-err:empty { display: none; }
.howto { font-size: 14px; }
.howto summary { cursor: pointer; font-weight: 500; }
.howto ol { margin-top: 10px; padding-left: 20px; display: grid; gap: 6px; color: var(--muted); }
.howto a { color: var(--accent); }
.privacy { display: flex; gap: 8px; font-size: 13px; color: var(--muted); }
.privacy svg { flex: none; margin-top: 3px; }
.login .link { justify-self: start; }

/* Fields (shared) */
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.field input[type=text], .field input[type=password] { width: 100%; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); }
.field input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }

/* Customize panel */
.scrim { position: fixed; inset: 0; background: rgba(0,0,0,.35); opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 10; }
.panel { position: fixed; top: 0; right: 0; bottom: 0; width: min(400px, 100%); background: var(--surface); border-left: 1px solid var(--line); transform: translateX(100%); transition: transform .25s ease; z-index: 11; display: flex; flex-direction: column; visibility: hidden; }
body.customizing .scrim { opacity: 1; pointer-events: auto; }
body.customizing .panel { transform: none; visibility: visible; }
.panel header { display: flex; justify-content: space-between; align-items: center; padding: 20px 24px; border-bottom: 1px solid var(--line); }
.panel header h2 { font: 28px/1 "Instrument Serif", serif; }
.panel .body { padding: 20px 24px 32px; overflow-y: auto; display: grid; gap: 24px; }
.swatches { display: flex; gap: 8px; flex-wrap: wrap; }
.swatch { width: 30px; height: 30px; border-radius: 50%; border: 2px solid var(--surface); box-shadow: 0 0 0 1px var(--line); }
.swatch.on { box-shadow: 0 0 0 2px var(--text); }
.seg { display: grid; grid-template-columns: repeat(3, 1fr); background: var(--surface-2); border-radius: 10px; padding: 3px; }
.seg button { padding: 7px; border-radius: 8px; font-size: 14px; font-weight: 500; color: var(--muted); }
.seg button.on { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }
.c-row { display: grid; grid-template-columns: 34px 1fr; gap: 10px; align-items: center; margin-bottom: 10px; }
.c-row input[type=color] { width: 34px; height: 34px; border: 0; padding: 0; background: none; border-radius: 8px; cursor: pointer; }
.c-row input[type=color]::-webkit-color-swatch-wrapper { padding: 0; }
.c-row input[type=color]::-webkit-color-swatch { border: 0; border-radius: 8px; }
.panel .link { justify-self: start; }

/* Files */
.frow { width: 100%; text-align: left; font: inherit; }
.frow:disabled { opacity: .55; cursor: default; }
.ftools { display: grid; grid-template-columns: 1fr auto auto; gap: 8px; padding: 16px 16px 4px; }
.ftools .area { padding: 9px 12px; }
.type.folder { background: color-mix(in srgb, var(--muted) 16%, transparent); color: var(--muted); }
.crumbs { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; padding: 12px 20px 4px; font-size: 14px; color: var(--muted); }
.crumbs button { color: var(--accent); }
.crumbs button:hover { text-decoration: underline; }
.crumbs b { color: var(--text); font-weight: 600; }

/* File viewer */
body.no-scroll { overflow: hidden; }
.viewer { position: fixed; inset: 0; z-index: 25; background: rgba(0,0,0,.6); display: grid; place-items: center; padding: 24px; }
.viewer-card { width: min(1100px, 100%); height: min(90vh, 100%); background: var(--surface); border: 1px solid var(--line); border-radius: 16px; display: flex; flex-direction: column; overflow: hidden; }
.viewer-card header { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 16px 14px 20px; border-bottom: 1px solid var(--line); }
.viewer-name { min-width: 0; }
.viewer-name h2 { font-size: 16px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.viewer-actions { display: flex; gap: 6px; align-items: center; flex: none; }
.viewer-actions .btn { padding: 8px 14px; text-decoration: none; font-size: 14px; }
.viewer-body { flex: 1; min-height: 0; overflow: auto; background: var(--surface-2); display: flex; flex-direction: column; }
.viewer-body iframe { flex: 1; width: 100%; border: 0; background: #fff; }
.viewer-body video { width: 100%; max-height: 100%; background: #000; margin: auto; }
.viewer-img { flex: 1; display: grid; place-items: center; padding: 16px; }
.viewer-img img { max-width: 100%; max-height: 100%; object-fit: contain; }
.viewer-text { margin: 0; padding: 20px 24px; font: 13px/1.6 ui-monospace, Consolas, monospace; white-space: pre-wrap; overflow-wrap: anywhere; color: var(--text); }
.viewer-note { padding: 10px 24px 0; font-size: 13px; color: var(--muted); }
.viewer-empty { margin: auto; display: grid; justify-items: center; gap: 12px; padding: 40px 20px; color: var(--muted); text-align: center; }
.viewer-empty svg { width: 32px; height: 32px; }
.viewer-empty .btn { text-decoration: none; }

/* Ask Claude */
.ai-fab { position: fixed; top: 18px; right: 22px; z-index: 8; display: inline-flex; align-items: center; gap: 8px; padding: 9px 16px; border-radius: 99px; background: var(--surface); border: 1px solid var(--line); box-shadow: 0 4px 18px rgba(0,0,0,.12); font-weight: 600; font-size: 14px; color: var(--text); }
.ai-fab svg { color: var(--accent); }
.ai-fab:hover { border-color: var(--accent); }
#app[hidden] ~ .ai-fab, body.chatting .ai-fab { display: none; }
.ai-mini { display: none; }
main { padding-top: 64px; }
.ai { position: fixed; top: 0; right: 0; bottom: 0; width: min(460px, 100%); z-index: 12; background: var(--surface); border-left: 1px solid var(--line); box-shadow: -12px 0 40px rgba(0,0,0,.14); display: flex; flex-direction: column; transform: translateX(105%); visibility: hidden; transition: transform .25s ease, visibility .25s; }
body.chatting .ai { transform: none; visibility: visible; }
.ai-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 16px 16px 14px 20px; border-bottom: 1px solid var(--line); }
.ai-head h2 { font: 26px/1 "Instrument Serif", serif; }
.ai-head .meta { margin-top: 4px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: block; max-width: 300px; }
.ai-head-btns { display: flex; gap: 2px; }
.ai-body { flex: 1; overflow-y: auto; padding: 18px 20px; display: flex; flex-direction: column; gap: 16px; }
.ai-logo { width: 44px; height: 44px; border-radius: 12px; background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); display: grid; place-items: center; }
.ai-logo svg { width: 22px; height: 22px; }
.ai-empty, .ai-setup { margin: auto 0; display: grid; gap: 12px; }
.ai-empty h3, .ai-setup h3 { font: 26px/1.15 "Instrument Serif", serif; }
.ai-sugs { display: grid; gap: 8px; margin-top: 8px; }
.ai-sugs button { text-align: left; padding: 10px 14px; border: 1px solid var(--line); border-radius: 12px; font-size: 14px; }
.ai-sugs button:hover { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 6%, transparent); }
.ai-setup .btn { justify-self: start; }
.ai-setup .privacy a { color: var(--accent); }
.ai-msg { display: grid; gap: 6px; }
.ai-msg.me { justify-items: end; }
.ai-msg.me .bubble { background: var(--accent); color: #fff; border-radius: 14px 14px 4px 14px; max-width: 88%; }
.ai-files { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; }
.att { display: inline-flex; align-items: center; gap: 6px; padding: 5px 6px 5px 10px; border-radius: 10px; background: var(--surface-2); font-size: 12.5px; max-width: 100%; }
.att svg { width: 14px; height: 14px; flex: none; }
.att button { width: 20px; height: 20px; border-radius: 50%; font-size: 10px; color: var(--muted); }
.att button:hover { background: var(--line); color: var(--text); }
.att.loading { opacity: .7; }
.att .spin { width: 12px; height: 12px; }
.ai-msg.me .att { padding-right: 10px; }
.md { font-size: 14.5px; line-height: 1.6; overflow-wrap: anywhere; }
.md > * + * { margin-top: .6em; }
.md h3, .md h4, .md h5 { font-size: 15px; font-weight: 700; margin-top: 1em; }
.md ul, .md ol { padding-left: 1.3em; }
.md li + li { margin-top: .2em; }
.md code { font: 13px ui-monospace, Consolas, monospace; background: var(--surface-2); padding: 1px 5px; border-radius: 5px; }
.md pre { background: var(--surface-2); padding: 12px; border-radius: 10px; overflow-x: auto; }
.md pre code { background: none; padding: 0; }
.md a { color: var(--accent); }
.md hr { border: 0; border-top: 1px solid var(--line); }
.ai-err { font-size: 13px; color: var(--danger); }
.ai-typing { display: flex; gap: 4px; padding: 6px 0; }
.ai-typing i { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); animation: blink 1.2s infinite; }
.ai-typing i:nth-child(2) { animation-delay: .2s; } .ai-typing i:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 80%, 100% { opacity: .25; } 40% { opacity: 1; } }
.ai-compose { border-top: 1px solid var(--line); padding: 10px 14px 12px; display: grid; gap: 8px; }
.ai-suggest-files, .ai-atts { display: flex; flex-wrap: wrap; gap: 6px; }
.ai-suggest-files:empty, .ai-atts:empty { display: none; }
.ai-suggest-files button { font-size: 12.5px; padding: 4px 10px; border-radius: 99px; border: 1px dashed var(--line); color: var(--muted); }
.ai-suggest-files button:hover { border-color: var(--accent); color: var(--accent); }
.ai-input { display: grid; grid-template-columns: auto 1fr auto; gap: 6px; align-items: end; background: var(--bg); border: 1px solid var(--line); border-radius: 14px; padding: 6px; }
.ai-input:focus-within { border-color: var(--accent); }
.ai-input textarea { border: 0; background: none; resize: none; padding: 8px 4px; font: inherit; line-height: 1.45; max-height: 180px; outline: none; }
.ai-input .btn { padding: 8px 14px; border-radius: 10px; }
.ai-input .btn.stop { background: var(--text); color: var(--bg); }
.ai-foot { font-size: 11.5px; color: var(--muted); text-align: center; }

/* More menu (phones) */
.nav-more { display: none; }
.more-menu { position: fixed; z-index: 9; right: 10px; bottom: calc(76px + env(safe-area-inset-bottom)); background: var(--surface); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 10px 30px rgba(0,0,0,.2); padding: 6px; display: grid; min-width: 200px; }
.more-menu a { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 14px; border-radius: 10px; text-decoration: none; font-weight: 500; }
.more-menu a:hover { background: var(--surface-2); }
.more-menu .badge { margin-left: 0; }

/* Announcements */
.anns { display: grid; gap: 12px; }
.annc { padding: 0; overflow: hidden; }
.annc summary { list-style: none; cursor: pointer; padding: 16px 20px; display: grid; gap: 4px; }
.annc summary::-webkit-details-marker { display: none; }
.annc h3 { font-size: 16px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.annc .preview { font-size: 14px; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.annc[open] .preview { display: none; }
.annc .prose { padding: 0 20px 18px; }
.annc .ann-foot { padding: 0 20px 16px; display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; }
.annc .ann-foot a { color: var(--accent); }
.pill.new { background: var(--accent); color: #fff; }

.jump { display: none; }
.icon-btn.spinning svg { animation: spin .8s linear infinite; }
button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }

/* Phones and small tablets: app-style layout with a top bar and a bottom tab bar. */
@media (max-width: 960px) {
  .app { grid-template-columns: 1fr; }
  .side {
    position: sticky; top: 0; z-index: 5; height: auto; flex-direction: row; align-items: center; gap: 8px;
    padding: calc(10px + env(safe-area-inset-top)) max(12px, env(safe-area-inset-right)) 10px max(16px, env(safe-area-inset-left));
    border-right: 0; border-bottom: 1px solid var(--line);
    /* Solid, not blurred: a backdrop-filter here would pin the fixed tab bar inside this bar. */
    background: var(--bg);
  }
  .brand { font-size: 24px; padding: 0; }
  .side .side-courses, .foot-name { display: none; }
  .side .foot { margin-left: auto; margin-top: 0; padding: 0; gap: 2px; }
  .avatar { width: 30px; height: 30px; font-size: 12px; }
  .icon-btn { padding: 9px; }

  .ai-fab { display: none; }
  .ai-mini { display: grid; color: var(--accent); }
  .side .avatar { display: none; }
  .ai { width: 100%; border-left: 0; }
  .ai-head { padding-top: calc(14px + env(safe-area-inset-top)); }
  .ai-compose { padding-bottom: calc(12px + env(safe-area-inset-bottom)); }
  .ai-head .meta { max-width: 220px; }
  .viewer { padding: 0; }
  .viewer-card { width: 100%; height: 100%; border-radius: 0; border: 0; }
  .viewer-card header { padding-top: calc(12px + env(safe-area-inset-top)); flex-wrap: wrap; }
  .viewer-name { flex: 1 1 100%; }
  .viewer-actions { width: 100%; }
  .viewer-actions .btn { flex: 1; text-align: center; }
  .ftools { grid-template-columns: 1fr 1fr; padding: 14px 16px 4px; }
  .ftools input { grid-column: 1 / -1; }
  .crumbs { padding-left: 16px; }
  .nav .more-item { display: none; }
  .nav-more { display: flex; position: relative; flex-direction: column; align-items: center; justify-content: center; gap: 3px; padding: 6px 2px; font-size: 11px; color: var(--muted); font-weight: 500; min-height: 50px; }
  .nav-more svg { width: 23px; height: 23px; }
  .nav-more.on { color: var(--accent); }
  .annc summary, .annc .prose, .annc .ann-foot { padding-left: 16px; padding-right: 16px; }
  .nav {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 6; display: grid; grid-template-columns: repeat(5, 1fr); gap: 0;
    background: color-mix(in srgb, var(--surface) 92%, transparent); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    border-top: 1px solid var(--line);
    padding: 6px max(4px, env(safe-area-inset-right)) calc(6px + env(safe-area-inset-bottom)) max(4px, env(safe-area-inset-left));
  }
  .nav a { position: relative; flex-direction: column; justify-content: center; gap: 3px; padding: 6px 2px; font-size: 11px; border-radius: 10px; min-height: 50px; }
  .nav a:hover { background: none; }
  .nav a.on { background: none; box-shadow: none; color: var(--accent); }
  .nav svg { width: 23px; height: 23px; }
  .nav .badge { position: absolute; top: 3px; left: calc(50% + 5px); margin: 0; min-width: 18px; height: 18px; font-size: 10px; }
  .more-menu .badge { position: static; }

  main { padding: 20px max(16px, env(safe-area-inset-right)) calc(96px + env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left)); }
  .toast { bottom: calc(84px + env(safe-area-inset-bottom)); max-width: calc(100% - 32px); text-align: center; }
  input, select, textarea, .area, .wi { font-size: 16px !important; }   /* stops iOS zooming in on focus */

  .grid { grid-template-columns: 1fr; }
  .hello { margin-bottom: 20px; gap: 14px; }
  .hello h1 { font-size: 34px; }
  .stats { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; margin: 0 -16px; padding: 0 16px; width: calc(100% + 32px); }
  .stat { flex: none; }
  .hero { padding: 20px; border-radius: 16px; }
  .hero h1 { font-size: 32px; }
  .hero .open { width: 100%; text-align: center; }
  .gstats { grid-template-columns: 1fr; }
  .ahead { padding: 20px; }
  .ahead h1 { font-size: 30px; }
  .facts { gap: 12px 24px; }
  .jump { display: inline-block; margin-top: 16px; width: 100%; text-align: center; padding: 12px; }
  .agrid > .stack, #submit-card, #cal-side { scroll-margin-top: calc(70px + env(safe-area-inset-top)); }

  .card-h { padding: 16px 16px 10px; }
  .rows { padding: 0 4px 6px; }
  .due { padding: 0 4px 6px; }
  .due li, .rows .row { padding: 12px; }
  .gbody, .weights, .kv, .ann, .thread, .rubric { padding-left: 16px; padding-right: 16px; }
  .prose.pad { padding: 0 16px 16px; }
  .empty { padding-left: 16px; padding-right: 16px; }
  .sub-h { padding-left: 16px; }
  .check { width: 24px; height: 24px; border-radius: 7px; position: relative; }
  .check::after { content: ""; position: absolute; inset: -10px; }
  .due li { grid-template-columns: 24px 1fr auto; }
  .tlist li.trow { grid-template-columns: 24px 32px 1fr auto; gap: 10px; }
  .btn { padding: 11px 16px; }
  .submit .btn.primary, .compose .btn.primary { width: 100%; justify-self: stretch; }
  .seg button { padding: 9px 4px; }

  .filters { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; padding: 14px 16px 4px; }
  .fchip { flex: none; padding: 7px 12px; }
  .filters .toggle { margin-left: 4px; flex: none; }

  .modal { align-items: end; padding: 0; }
  .modal-card { width: 100%; border-radius: 20px 20px 0 0; padding: 22px 20px calc(20px + env(safe-area-inset-bottom)); animation: sheet .22s ease-out; }
  .modal-actions .btn { flex: 1; padding: 13px; }
  .panel { width: 100%; border-left: 0; }
  .panel header { padding-top: calc(18px + env(safe-area-inset-top)); }
  .panel .body { padding-bottom: calc(32px + env(safe-area-inset-bottom)); }
  .cal-grid { grid-template-columns: 1fr; }
  .cal-head h1 { font-size: 30px; }
  .cgrid { grid-auto-rows: 56px; }
  .cday { align-items: center; padding: 4px 2px; }
  .chips { display: none; }
  .cdots { display: flex; }
  .mail { grid-template-columns: 1fr; }
  .mail.open .mail-list, .mail:not(.open) .mail-read { display: none; }
  main:has(.mail.open) .hello { display: none; }
  .mail-back { display: inline-flex; margin-bottom: 8px; }
  .msgs { max-height: none; padding: 16px; }
  .thread-h, .reply, .compose { padding-left: 16px; padding-right: 16px; }
  .reply { position: sticky; bottom: calc(68px + env(safe-area-inset-bottom)); background: var(--surface); border-radius: 0 0 var(--radius) var(--radius); }
  .convos { max-height: none; }
  .convo { padding: 14px 16px; }
  .msg { max-width: 92%; }
  .week { gap: 4px; padding: 0 12px 16px; }
  .grow { grid-template-columns: 10px minmax(0, 1fr) 70px; padding: 14px 16px; }
  .grow .bar { display: none; }
}
@keyframes sheet { from { transform: translateY(40px); opacity: 0; } }
@media (max-width: 380px) {
  .nav a { font-size: 10px; }
  .hello h1, .hero h1 { font-size: 30px; }
}