/* Student Home and Ask ARIA, in colour.
   The page stays black and white; colour marks what a thing is: each subject keeps
   its hue from aria-subjects.js (--subj), each tool and starter carries its own (--c).
   Rules start with :root[data-theme] to outrank student-mono.css. */

/* ---- Sidebar: the mark top left (menu colours live in aria-brand.css) ---- */
:root[data-theme] #sidebar .side-brand { flex: 1; min-width: 0; padding: 2px 0 2px 2px; }
:root[data-theme] #sidebar .side-brand .aria-word { font-size: 21px; }
:root[data-theme] #sidebar.sidebar-collapsed > .space-y-6 > div:first-child { flex-direction: column; gap: 12px; }
:root[data-theme] #sidebar.sidebar-collapsed .side-brand { flex: none; padding: 0; }
:root[data-theme] .dash-header .aria-lockup .aria-word { font-size: 19px; }

/* ---- Top of Home: greeting left, today's picture right ------------------- */
:root[data-theme] .home-top { display: grid; gap: 22px; align-items: start; }
@media (min-width: 1100px) { :root[data-theme] .home-top { gap: 30px; } }
:root[data-theme] .home-hello { min-width: 0; padding-top: 8px; }
:root[data-theme] .dash-inner > .home-top { margin-bottom: 52px; }
/* The ask field stays clear in dark mode, where the automatic dark rules fill every input. */
html[data-theme].ag-light .mono-ask input:not([type="checkbox"]):not([type="radio"]):not([type="range"]) { background: transparent !important; box-shadow: none !important; }
/* Beside the today panel, the header no longer needs its own streak button. */
@media (min-width: 1100px) { :root[data-theme] .dash-header button[aria-label="Study streak and stats"] { display: none !important; } }
:root[data-theme] .home-hello .mono-greet { font-size: clamp(40px, 7vw, 68px) !important; }

:root[data-theme] .home-starts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
:root[data-theme] .home-start {
  display: inline-flex; align-items: center; gap: 8px; min-height: 40px; padding: 0 15px 0 12px;
  border: 1px solid color-mix(in srgb, var(--c) 26%, var(--ag-hairline)); border-radius: 999px;
  background: color-mix(in srgb, var(--c) 9%, var(--ag-bg)); color: var(--ag-text);
  font: 500 14px var(--ag-font); cursor: pointer;
  transition: transform 0.25s var(--aria-ease), background-color 0.2s ease, border-color 0.2s ease;
}
:root[data-theme] .home-start:hover { background: color-mix(in srgb, var(--c) 16%, var(--ag-bg)); border-color: var(--c); transform: translateY(-1px); }
:root[data-theme] .home-start:active { transform: scale(0.97); }
:root[data-theme] .home-start > span { font-size: 16px; line-height: 1; }

:root[data-theme] .home-today { display: flex; flex-direction: column; gap: 12px; min-width: 0; }

/* ---- Today: one card with the streak, what to study next and the quizzes due ---- */
:root[data-theme] .today-card { display: grid; gap: 16px; padding: 18px; border: 1px solid var(--ag-hairline-strong); border-radius: 28px; background: color-mix(in srgb, var(--ag-text) 2.5%, var(--ag-bg)); }
:root[data-theme] .today-col { display: flex; flex-direction: column; min-width: 0; }
:root[data-theme] .today-col > .today-streak, :root[data-theme] .today-col > .home-next { flex: 1; }
:root[data-theme] .today-col > .home-next-watch { margin-top: 8px; }
:root[data-theme] .today-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
/* Wide screens: the three parts side by side under the title. */
@media (min-width: 760px) {
  :root[data-theme] .today-card { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 20px 22px 22px; }
  :root[data-theme] .today-head, :root[data-theme] .today-quiz { grid-column: 1 / -1; }
}
@media (min-width: 1180px) {
  :root[data-theme] .today-card { grid-template-columns: minmax(0, 0.9fr) minmax(0, 1fr) minmax(0, 1.15fr); }
  :root[data-theme] .today-quiz { grid-column: auto; }
}
:root[data-theme] .today-card .home-next-label { display: none; }
:root[data-theme] .today-title { margin: 0; font: 400 30px/1 var(--mono-serif); letter-spacing: -0.01em; color: var(--ag-text); }
:root[data-theme] .today-mins { display: inline-flex; align-items: center; gap: 5px; min-height: 32px; padding: 0 11px 0 8px; border: 1px solid var(--ag-hairline-strong); border-radius: 99px; background: var(--ag-bg); color: var(--ag-text-2); font: 500 12.5px var(--ag-font); cursor: pointer; transition: background-color .2s ease; }
:root[data-theme] .today-mins:hover { background: color-mix(in srgb, var(--ag-text) 5%, var(--ag-bg)); }
:root[data-theme] .today-mins .material-symbols-outlined { font-size: 17px; color: var(--hue-blue); }
:root[data-theme] .today-mins b { color: var(--ag-text); font-weight: 600; font-variant-numeric: tabular-nums; }

:root[data-theme] .today-streak { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; align-content: center; gap: 4px 12px; width: 100%; padding: 14px 16px; border: 0; border-radius: 20px; text-align: left; cursor: pointer; color: var(--ag-text);
  background: color-mix(in srgb, var(--hue-amber) 13%, var(--ag-bg)); transition: background-color .2s ease, transform .25s var(--aria-ease); }
:root[data-theme] .today-streak:hover { background: color-mix(in srgb, var(--hue-amber) 19%, var(--ag-bg)); transform: translateY(-1px); }
:root[data-theme] .today-flame { font-size: 30px; line-height: 1; }
:root[data-theme] .today-streak-txt { display: flex; flex-direction: column; gap: 2px; min-width: 0; font: 500 15px var(--ag-font); }
:root[data-theme] .today-streak-txt b { font: 700 24px/1 var(--ag-font); letter-spacing: -0.03em; font-variant-numeric: tabular-nums; }
:root[data-theme] .today-streak-txt small { font-size: 12.5px; line-height: 1.3; color: var(--ag-text-2); }
:root[data-theme] .today-streak.is-done .today-streak-txt small { color: color-mix(in srgb, var(--hue-green) 70%, var(--ag-text)); font-weight: 600; }
:root[data-theme] .today-week { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; margin-top: 12px; }
:root[data-theme] .tw-d { display: flex; flex-direction: column; align-items: center; gap: 4px; }
:root[data-theme] .tw-d i { width: 22px; height: 22px; border-radius: 50%; background: color-mix(in srgb, var(--ag-text) 9%, transparent); }
:root[data-theme] .tw-d small { font: 500 10.5px var(--mono-code); color: var(--ag-text-3); }
:root[data-theme] .tw-d.is-on i { background: var(--hue-amber); box-shadow: inset 0 0 0 5px color-mix(in srgb, var(--hue-amber) 70%, #fff); }
:root[data-theme] .tw-d.is-today i { background: transparent; box-shadow: inset 0 0 0 2px var(--hue-amber); }
:root[data-theme] .tw-d.is-today small, :root[data-theme] .tw-d.is-on small { color: var(--ag-text); font-weight: 600; }
:root[data-theme] .tw-d.is-later i { background: color-mix(in srgb, var(--ag-text) 4%, transparent); }

:root[data-theme] .today-label { display: flex; align-items: center; gap: 8px; min-height: 20px; margin: 0 0 8px; font: 500 11px var(--mono-code); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ag-text-3); }
:root[data-theme] .today-count { display: inline-grid; place-items: center; min-width: 20px; height: 20px; padding: 0 6px; border-radius: 99px; background: var(--ag-text); color: var(--ag-bg); font: 600 11px var(--ag-font); letter-spacing: 0; }
:root[data-theme] .today-count[hidden], :root[data-theme] .today-quiz-list[hidden], :root[data-theme] .today-empty[hidden] { display: none !important; }
:root[data-theme] .today-quiz-list:not(.is-all) > li:nth-child(n+4) { display: none; }
:root[data-theme] .today-more { align-self: flex-start; margin-top: 6px; padding: 6px 4px; border: 0; background: none; color: var(--ag-text-2); font: 600 13px var(--ag-font); cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
:root[data-theme] .today-more[hidden] { display: none; }
:root[data-theme] .today-quiz-list { display: flex; flex-direction: column; gap: 6px; margin: 0; padding: 0; list-style: none; }
:root[data-theme] .today-quiz-item { display: flex; align-items: center; gap: 12px; width: 100%; min-height: 56px; padding: 9px 10px 9px 9px; border: 1px solid var(--ag-hairline-strong); border-radius: 16px; background: var(--ag-bg); color: var(--ag-text); text-align: left; cursor: pointer; transition: border-color .2s ease, transform .2s var(--aria-ease); }
:root[data-theme] .today-quiz-item:hover { border-color: var(--subj); transform: translateY(-1px); }
:root[data-theme] .today-quiz-item:active { transform: scale(.98); }
:root[data-theme] .today-quiz-ic { flex: none; display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; font-size: 19px; background: color-mix(in srgb, var(--subj) 14%, var(--ag-bg)); }
:root[data-theme] .today-quiz-txt { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
:root[data-theme] .today-quiz-txt b { font-weight: 600; font-size: 14px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
:root[data-theme] .today-quiz-txt small { font-size: 12px; color: var(--ag-text-3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
:root[data-theme] .today-score { font-weight: 600; }
:root[data-theme] .today-score.is-low { color: #dc2626; }
:root[data-theme] .today-score.is-mid { color: #d97706; }
:root[data-theme] .today-score.is-ok { color: #16a34a; }
html[data-theme="dark"] .today-score.is-low { color: #f87171; }
html[data-theme="dark"] .today-score.is-mid { color: #fbbf24; }
html[data-theme="dark"] .today-score.is-ok { color: #4ade80; }
:root[data-theme] .today-quiz-go { flex: none; padding: 7px 12px; border-radius: 99px; background: var(--ag-text); color: var(--ag-bg); font: 600 12.5px var(--ag-font); }
:root[data-theme] .today-empty { margin: 0; padding: 12px 14px; border: 1px dashed var(--ag-hairline-strong); border-radius: 16px; font-size: 13px; line-height: 1.45; color: var(--ag-text-3); }

:root[data-theme] .home-next {
  --subj: var(--hue-blue);
  display: flex; flex-direction: column; align-items: flex-start; gap: 6px; width: 100%; padding: 18px 18px 16px;
  border: 1px solid color-mix(in srgb, var(--subj) 30%, var(--ag-hairline)); border-radius: 24px; text-align: left; cursor: pointer;
  background: color-mix(in srgb, var(--subj) 8%, var(--ag-bg)); color: var(--ag-text);
  transition: transform 0.3s var(--aria-ease), border-color 0.2s ease;
}
:root[data-theme] .home-next:hover { border-color: var(--subj); transform: translateY(-2px); }
:root[data-theme] .home-next[hidden], :root[data-theme] .home-next-empty[hidden] { display: none !important; }
:root[data-theme] .home-next-label { font: 500 11px var(--mono-code); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ag-text-3); }
:root[data-theme] .home-next-name { display: flex; align-items: center; gap: 10px; min-width: 0; font: 400 30px/1.05 var(--mono-serif); color: var(--ag-text); }
:root[data-theme] .home-next-emoji { font-size: 26px; line-height: 1; }
:root[data-theme] .home-next-sub { font-size: 13.5px; color: var(--ag-text-2); }
:root[data-theme] .home-next-bar { display: block; width: 100%; height: 6px; margin-top: 6px; overflow: hidden; border-radius: 99px; background: color-mix(in srgb, var(--subj) 16%, var(--ag-bg)); }
:root[data-theme] .home-next-bar i { display: block; width: calc(var(--p, 0) * 1%); height: 100%; border-radius: inherit; background: var(--subj); transition: width 1s var(--aria-ease); }
:root[data-theme] .home-next-go { display: inline-flex; align-items: center; gap: 4px; margin-top: 6px; font: 600 14px var(--ag-font); }
:root[data-theme] .home-next-go .material-symbols-outlined { font-size: 18px; transition: transform 0.3s var(--aria-ease); }
:root[data-theme] .home-next:hover .home-next-go .material-symbols-outlined { transform: translateX(4px); }
:root[data-theme] .home-next-empty { margin: 0; padding: 18px; border: 1px dashed var(--ag-hairline-strong); border-radius: 24px; font-size: 14px; line-height: 1.5; color: var(--ag-text-3); }
:root[data-theme] .today-card .home-next { justify-content: center; border-radius: 20px; padding: 16px 108px 14px 16px; }
:root[data-theme] .today-card .home-next-name { font-size: 27px; }
:root[data-theme] .today-card .home-next-ring { width: 76px; height: 76px; margin-top: -38px; right: 16px; }
:root[data-theme] .today-card .home-next-ring b { font-size: 17px; }
:root[data-theme] .today-card .home-next-empty { padding: 14px; border-radius: 16px; font-size: 13px; }

/* ---- My courses: a shelf of colour cards with a progress ring ------------ */
:root[data-theme] .dash-courses { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; gap: 10px !important; }
@media (min-width: 700px) { :root[data-theme] .dash-courses { grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)) !important; gap: 14px !important; } }
:root[data-theme] #courses-loading-state, :root[data-theme] #courses-empty-state { grid-column: 1 / -1; }
:root[data-theme] .mono-course {
  position: relative; gap: 0 !important; padding: 16px !important; border-radius: 26px !important;
  border: 1px solid color-mix(in srgb, var(--subj, var(--ag-text)) 22%, var(--ag-hairline)) !important;
  background: color-mix(in srgb, var(--subj, var(--ag-text)) 7%, var(--ag-bg)) !important;
  animation: aria-rise 0.6s var(--aria-ease) both; animation-delay: calc(var(--i, 0) * 60ms + 140ms);
}
:root[data-theme] .mono-course:hover { transform: translateY(-3px); }
:root[data-theme] .mono-course.is-open { grid-column: 1 / -1; }
:root[data-theme] .mono-course .mono-course-top { align-items: center; gap: 8px; }
:root[data-theme] .mono-course .mono-course-emoji {
  width: 48px; height: 48px; border-radius: 15px; font-size: 26px;
  background: color-mix(in srgb, var(--subj, var(--ag-text)) 16%, var(--ag-bg));
  transition: transform 0.4s var(--aria-spring);
}
:root[data-theme] .mono-course:hover .mono-course-emoji { transform: rotate(-8deg) scale(1.06); }
:root[data-theme] .course-ring { position: relative; display: grid; place-items: center; width: 46px; height: 46px; flex: none; margin-left: auto; }
:root[data-theme] .course-ring svg { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-90deg); }
:root[data-theme] .course-ring .ring-bg { fill: none; stroke: color-mix(in srgb, var(--subj, var(--ag-text)) 18%, var(--ag-bg)); stroke-width: 5; }
:root[data-theme] .course-ring .ring-fg {
  fill: none; stroke: var(--subj, var(--ag-text)); stroke-width: 5; stroke-linecap: round;
  stroke-dasharray: var(--p, 0) 100; transition: stroke-dasharray 0.8s var(--aria-ease);
  animation: aria-ring 1.1s var(--aria-ease) both; animation-delay: calc(var(--i, 0) * 60ms + 320ms);
}
:root[data-theme] .course-ring[style="--p:0"] .ring-fg { visibility: hidden; }
@keyframes aria-ring { from { stroke-dasharray: 0 100; } }
:root[data-theme] .mono-course .course-ring .card-progress-pct { font: 600 11.5px var(--ag-font) !important; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; color: var(--ag-text) !important; }
:root[data-theme] .mono-course .mono-course-x { margin: 0 -6px 0 0; }
:root[data-theme] .mono-course .mono-course-board { display: block; margin-top: 16px; }
:root[data-theme] .mono-course .dash-course-name { display: block; margin: 4px 0 0 !important; font-size: 28px !important; line-height: 1.05 !important; }
:root[data-theme] .mono-course .mono-course-meta { margin-top: 8px; font-size: 13px; }
:root[data-theme] .mono-course .dash-course-foot { border-top-color: color-mix(in srgb, var(--subj, var(--ag-text)) 18%, var(--ag-hairline)) !important; }
:root[data-theme] .mono-course .dash-link-btn:hover { background: color-mix(in srgb, var(--subj, var(--ag-text)) 12%, var(--ag-bg)) !important; }
@media (max-width: 699px) {
  :root[data-theme] .mono-course { padding: 14px !important; border-radius: 22px !important; }
  :root[data-theme] .mono-course .mono-course-emoji { width: 40px; height: 40px; border-radius: 13px; font-size: 22px; }
  :root[data-theme] .course-ring { width: 40px; height: 40px; }
  :root[data-theme] .mono-course .course-ring .card-progress-pct { font-size: 10.5px !important; }
  :root[data-theme] .mono-course .mono-course-board { margin-top: 12px; font-size: 10px; letter-spacing: 0.06em; }
  :root[data-theme] .mono-course .dash-course-name { font-size: 22px !important; }
  :root[data-theme] .mono-course .mono-course-meta { font-size: 12px; }
  :root[data-theme] .mono-course .dash-syl-btn-label, :root[data-theme] .mono-course .dash-syl-icon { display: none; }
  :root[data-theme] .mono-course .dash-course-foot .dash-link-btn { padding-left: 8px !important; padding-right: 8px !important; }
}

/* ---- Make something: each tool in its own colour ------------------------- */
:root[data-theme] .home-tools { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
@media (min-width: 700px) { :root[data-theme] .home-tools { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; } }
@media (min-width: 1500px) { :root[data-theme] .home-tools { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
:root[data-theme] .home-tool {
  display: flex; flex-direction: column; align-items: flex-start; gap: 2px; min-height: 124px; padding: 16px;
  border: 1px solid color-mix(in srgb, var(--c) 20%, transparent); border-radius: 22px;
  background: color-mix(in srgb, var(--c) 10%, var(--ag-bg)); color: var(--ag-text);
  text-align: left; text-decoration: none; cursor: pointer;
  transition: transform 0.3s var(--aria-ease), background-color 0.2s ease, border-color 0.2s ease;
}
:root[data-theme] .home-tool:hover { background: color-mix(in srgb, var(--c) 17%, var(--ag-bg)); border-color: color-mix(in srgb, var(--c) 45%, transparent); transform: translateY(-3px); }
:root[data-theme] .home-tool:active { transform: scale(0.98); }
:root[data-theme] .home-tool-emoji {
  display: grid; place-items: center; width: 44px; height: 44px; margin-bottom: 14px;
  border-radius: 14px; background: var(--ag-bg); font-size: 23px; line-height: 1;
  transition: transform 0.4s var(--aria-spring);
}
:root[data-theme] .home-tool:hover .home-tool-emoji { transform: rotate(-8deg) scale(1.08); }
:root[data-theme] .home-tool-title { font: 600 15px/1.25 var(--ag-font); }
/* Wider screens: emoji beside the words, three to a row. */
@media (min-width: 700px) and (max-width: 1499px) {
  :root[data-theme] .home-tool { display: grid; grid-template-columns: 48px minmax(0, 1fr); grid-template-rows: auto auto; align-content: center; column-gap: 14px; row-gap: 2px; min-height: 84px; padding: 16px 18px; }
  :root[data-theme] .home-tool-emoji { grid-row: 1 / 3; width: 48px; height: 48px; margin: 0; }
  :root[data-theme] .home-tool-title { align-self: end; }
  :root[data-theme] .home-tool-sub { align-self: start; }
}
:root[data-theme] .home-tool-sub { font-size: 12.5px; line-height: 1.35; color: var(--ag-text-2); }

/* ---- Study coach: indigo, with the week in colour ------------------------ */
:root[data-theme] .dash-coach { background: color-mix(in srgb, var(--hue-indigo) 6%, var(--ag-bg)) !important; border-color: color-mix(in srgb, var(--hue-indigo) 18%, var(--ag-hairline)) !important; }
:root[data-theme] .dash-coach .dash-panel { border-color: color-mix(in srgb, var(--hue-indigo) 14%, var(--ag-hairline)) !important; }
:root[data-theme] .dash-coach .dash-bar-col:last-child .dash-bar { background: var(--ag-hairline-strong) !important; }
:root[data-theme] .dash-coach .dash-bar.has-data { background: var(--hue-indigo) !important; }
:root[data-theme] .dash-coach .dash-grade-value { color: var(--hue-indigo) !important; }
:root[data-theme] .dash-coach .dash-progress-fill { background: var(--hue-green) !important; }
:root[data-theme] .dash-bar { transform-origin: bottom; animation: aria-grow 0.9s var(--aria-ease) both; }
:root[data-theme] .dash-bar-col:nth-child(2) .dash-bar { animation-delay: 40ms; }
:root[data-theme] .dash-bar-col:nth-child(3) .dash-bar { animation-delay: 80ms; }
:root[data-theme] .dash-bar-col:nth-child(4) .dash-bar { animation-delay: 120ms; }
:root[data-theme] .dash-bar-col:nth-child(5) .dash-bar { animation-delay: 160ms; }
:root[data-theme] .dash-bar-col:nth-child(6) .dash-bar { animation-delay: 200ms; }
:root[data-theme] .dash-bar-col:nth-child(7) .dash-bar { animation-delay: 240ms; }
@keyframes aria-grow { from { transform: scaleY(0); } }

/* ---- Ask ARIA ------------------------------------------------------------ */
:root[data-theme] .chat-hello-mark { margin-bottom: 8px; }
:root[data-theme] .chat-chip { display: inline-flex; align-items: center; gap: 8px; background: color-mix(in srgb, var(--c, var(--ag-text)) 9%, var(--ag-bg)) !important; border-color: color-mix(in srgb, var(--c, var(--ag-text)) 24%, var(--ag-hairline)) !important; }
:root[data-theme] .chat-chip:hover { border-color: var(--c, var(--ag-text)) !important; transform: translateY(-1px); }
:root[data-theme] .chat-chip > span { font-size: 15px; line-height: 1; }
/* The student's own messages in ARIA blue, deep enough for white text. */
:root { --aria-bubble: #0a6cf0; }
html[data-theme="dark"] { --aria-bubble: #1a6fe8; }
:root[data-theme] .chat-user { background: var(--aria-bubble) !important; color: #ffffff !important; }
:root[data-theme] .chat-thread > .chat-user { animation: aria-send 0.45s var(--aria-spring) both; transform-origin: 100% 100%; }
:root[data-theme] .chat-thread > .chat-aria { animation: aria-rise 0.5s var(--aria-ease) both; }
@keyframes aria-send { from { opacity: 0; transform: translateY(10px) scale(0.94); } }
/* The send button turns blue once there is something to send. */
:root[data-theme] .chat-dock-inner > div:has(textarea:not(:placeholder-shown)) .chat-send { background: var(--aria-bubble) !important; color: #ffffff !important; }

@media (prefers-reduced-motion: reduce) {
  :root[data-theme] .mono-course, :root[data-theme] .course-ring .ring-fg, :root[data-theme] .dash-bar,
  :root[data-theme] .chat-thread > .chat-user, :root[data-theme] .chat-thread > .chat-aria { animation: none !important; }
  :root[data-theme] .home-start:hover, :root[data-theme] .today-streak:hover, :root[data-theme] .today-quiz-item:hover, :root[data-theme] .home-next:hover,
  :root[data-theme] .home-tool:hover, :root[data-theme] .mono-course:hover { transform: none; }
}

/* Opening Ask ARIA with nothing asked yet: the mark draws itself and the dot lands. */
:root[data-theme] #chat-view:not(.hidden) .chat-hello-mark .m-l,
:root[data-theme] #chat-view:not(.hidden) .chat-hello-mark .m-gap,
:root[data-theme] #chat-view:not(.hidden) .chat-hello-mark .m-r { stroke-dasharray: 100; animation: aria-draw 0.7s var(--aria-ease) both; }
:root[data-theme] #chat-view:not(.hidden) .chat-hello-mark .m-gap,
:root[data-theme] #chat-view:not(.hidden) .chat-hello-mark .m-r { animation-delay: 0.14s; }
:root[data-theme] #chat-view:not(.hidden) .chat-hello-mark .m-dot { animation: aria-land 0.5s 0.62s var(--aria-spring) both; }
@media (prefers-reduced-motion: reduce) {
  :root[data-theme] #chat-view .chat-hello-mark .m-l, :root[data-theme] #chat-view .chat-hello-mark .m-gap,
  :root[data-theme] #chat-view .chat-hello-mark .m-r, :root[data-theme] #chat-view .chat-hello-mark .m-dot { animation: none !important; }
}

/* Opening a course: its name flies from the card up into the course page's title, and back. */
html:active-view-transition-type(aria-nav) #hub-view:not(.hidden) .mono-course[data-vt-source] .dash-course-name,
html:active-view-transition-type(aria-nav) #hub-view:not(.hidden) .home-next[data-vt-source] .home-next-title,
html:active-view-transition-type(aria-nav) #subject-revision-view:not(.hidden) #hub-subject-name { view-transition-name: aria-course-title; width: fit-content; }
html:active-view-transition-type(aria-nav)::view-transition-group(aria-course-title) { animation-duration: 0.5s; animation-timing-function: var(--aria-ease); }
html:active-view-transition-type(aria-nav)::view-transition-old(aria-course-title),
html:active-view-transition-type(aria-nav)::view-transition-new(aria-course-title) { height: 100%; object-fit: contain; }

/* ---- Redesign: continue card with a ring, recent items ---- */
:root[data-theme] .home-next { position: relative; padding-right: 128px; }
:root[data-theme] .home-next-ring { position: absolute; right: 22px; top: 50%; width: 88px; height: 88px; margin-top: -44px; border-radius: 50%;
  background: conic-gradient(var(--subj) calc(var(--p, 0) * 1%), color-mix(in srgb, var(--subj) 16%, var(--ag-bg)) 0); transition: --p 1s var(--aria-ease); display: grid; place-items: center; }
:root[data-theme] .home-next-ring::before { content: ""; position: absolute; inset: 8px; border-radius: 50%; background: var(--ag-bg); }
:root[data-theme] .home-next-ring b { position: relative; font: 600 19px var(--ag-font); letter-spacing: -0.02em; color: var(--ag-text); }
@property --p { syntax: '<number>'; inherits: true; initial-value: 0; }
:root[data-theme] .home-recent { border: 1px solid var(--ag-hairline-strong); border-radius: 20px; overflow: hidden; }
:root[data-theme] .home-recent-item { display: flex; align-items: center; gap: 14px; padding: 14px 18px; color: var(--ag-text); text-decoration: none; transition: background-color .2s ease; }
:root[data-theme] .home-recent-item + .home-recent-item { border-top: 1px solid var(--ag-hairline-strong); }
:root[data-theme] .home-recent-item:hover { background: color-mix(in srgb, var(--ag-text) 5%, transparent); }
:root[data-theme] .home-recent-ic { width: 38px; height: 38px; flex: none; border-radius: 11px; display: grid; place-items: center; font-size: 18px; background: color-mix(in srgb, var(--ag-text) 6%, var(--ag-bg)); }
:root[data-theme] .home-recent-txt { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
:root[data-theme] .home-recent-txt b { font-weight: 500; font-size: 14.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
:root[data-theme] .home-recent-txt small, :root[data-theme] .home-recent-when { font-size: 12.5px; color: var(--ag-text-3); }
:root[data-theme] #home-recent[hidden] { display: none !important; }
@media (max-width: 560px) { :root[data-theme] .home-next { padding-right: 104px; } :root[data-theme] .home-next-ring { width: 72px; height: 72px; margin-top: -36px; right: 16px; } }
:root[data-theme] .home-next-watch { display: flex; align-items: center; gap: 6px; width: 100%; min-height: 44px; padding: 10px 16px; border: 1px solid var(--ag-hairline-strong); border-radius: 16px; background: transparent; color: var(--ag-text); font: 500 13.5px var(--ag-font); text-align: left; cursor: pointer; transition: background-color .2s ease, transform .16s var(--aria-ease); }
:root[data-theme] .home-next-watch:hover { background: color-mix(in srgb, var(--ag-text) 5%, transparent); }
:root[data-theme] .home-next-watch:active { transform: scale(.98); }
:root[data-theme] .home-next-watch > span:first-child { color: #FF7D6D; }
:root[data-theme] .home-next-watch b { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
:root[data-theme] .home-next-watch[hidden] { display: none !important; }