/* November 2026 update: Seneca-style home, progress path, paper-sheet answering with a floating
   PDF, week view and hover cards on the timetable, revision time, trophies and the leaderboard.
   Loaded last, so it only adds to (or overrides) the earlier stylesheets. */

/* =========================== home =========================== */
.home2 { padding-top: 28px; }
.home-greet { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 22px; }
.home-greet h1 { margin: 2px 0 0; font-size: clamp(28px, 4vw, 38px); }
.hg-date { font-weight: 700; color: var(--muted); font-size: 14px; }
.hg-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.hg-chip { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 999px; background: var(--surface); box-shadow: 0 0 0 1px var(--border); font-weight: 750; font-size: 14px; color: var(--text-2); }
.hg-chip.streak { color: var(--muted); }
.hg-chip.streak.lit { color: var(--orange); box-shadow: 0 0 0 1px color-mix(in srgb, var(--orange) 40%, var(--border)); background: var(--orange-soft); }

.home-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 22px; align-items: start; }
.home-main { display: grid; gap: 22px; min-width: 0; }
.home-main .section-title { margin-top: 0; }
.home-side { display: grid; gap: 14px; position: sticky; top: 16px; }
@media (max-width: 960px) { .home-grid { grid-template-columns: 1fr; } .home-side { position: static; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); } }

.cont-card {
  --subj: var(--accent);
  position: relative; overflow: hidden; display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  padding: 26px 28px; border-radius: 22px; color: #fff;
  background: linear-gradient(135deg, color-mix(in srgb, var(--subj) 92%, #000) 0%, color-mix(in srgb, var(--subj) 70%, #58c7d4) 100%);
  box-shadow: 0 18px 40px -22px var(--subj);
}
.cont-card::after { content: ""; position: absolute; right: -50px; bottom: -80px; width: 230px; height: 230px; border-radius: 50%; border: 30px solid rgba(255, 255, 255, 0.12); pointer-events: none; }
.cont-text { position: relative; z-index: 1; min-width: 0; flex: 1 1 280px; }
.cont-kind { display: inline-block; font-size: 12.5px; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase; opacity: 0.85; }
.cont-card h2 { margin: 6px 0 4px; color: #fff; font-size: clamp(20px, 2.6vw, 26px); }
.cont-card p { margin: 0; opacity: 0.9; }
.cont-bar { margin-top: 14px; height: 8px; border-radius: 999px; background: rgba(255, 255, 255, 0.25); overflow: hidden; max-width: 380px; }
.cont-bar span { display: block; height: 100%; border-radius: inherit; background: #fff; }
.cont-small { display: block; margin-top: 6px; font-size: 13px; opacity: 0.85; }
.cont-actions { display: grid; gap: 6px; justify-items: center; position: relative; z-index: 1; }
.cont-go { position: relative; z-index: 1; display: inline-flex; align-items: center; gap: 8px; padding: 13px 26px; border-radius: 999px; border: 0; background: #fff; color: color-mix(in srgb, var(--subj) 80%, #000); font: 800 16px/1 var(--font-body); text-decoration: none; cursor: pointer; box-shadow: 0 10px 24px -10px rgba(0, 0, 0, 0.5); }
.cont-go:hover { background: #fff; transform: translateY(-1px); }
.cont-link { color: #fff; font-weight: 700; font-size: 14px; opacity: 0.9; }

.home-plan { display: grid; gap: 4px; }
.plan-row { --subj: var(--accent); display: flex; align-items: center; gap: 12px; padding: 10px 12px; margin: 0 -12px; border-radius: 14px; }
.plan-row:hover { background: var(--wash); }
.plan-row.done strong { text-decoration: line-through; opacity: 0.6; }
.plan-row .grow { min-width: 0; }
.plan-row .grow > * { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.suggest-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; }
.suggest { --subj: var(--accent); display: grid; gap: 4px; align-content: start; padding: 18px; border-radius: 18px; background: var(--surface); box-shadow: 0 0 0 1px var(--border), var(--shadow); color: inherit; text-decoration: none; transition: transform 0.18s var(--ease), box-shadow 0.18s; }
.suggest:hover { transform: translateY(-3px); box-shadow: 0 0 0 1px var(--axis), 0 14px 30px -18px rgba(18, 26, 58, 0.35); }
.sg-icon { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 6px; color: var(--subj); background: color-mix(in srgb, var(--subj) 14%, var(--surface)); }
.sg-kind { font-size: 12px; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); }
.suggest strong { line-height: 1.3; }

.side-card { display: grid; gap: 8px; color: inherit; text-decoration: none; transition: transform 0.18s var(--ease); }
a.side-card:hover { transform: translateY(-2px); }
.side-big { font: 800 24px/1.1 var(--font-head); }
.exam-big { font: 800 24px/1.1 var(--font-head); color: var(--orange); }
.week-dots { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; text-align: center; font-size: 11.5px; font-weight: 700; color: var(--muted); }
.wd { display: grid; gap: 4px; justify-items: center; }
.wd-dot { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--wash); color: #fff; }
.wd.on .wd-dot { background: var(--orange); }
.wd.today { color: var(--text); }
.wd.today .wd-dot { box-shadow: 0 0 0 2px var(--surface), 0 0 0 4px var(--marker); }
.wd.future .wd-dot { opacity: 0.5; }

/* =========================== progress path (3D) =========================== */
.path-subjects { display: flex; gap: 8px; overflow-x: auto; padding: 2px 2px 10px; margin-bottom: 14px; }
.path-subj { --subj: var(--accent); flex: none; display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px 6px 6px; border-radius: 999px; background: var(--surface); box-shadow: 0 0 0 1px var(--border), 0 3px 0 var(--border); color: var(--text); text-decoration: none; font-weight: 700; font-size: 14px; transition: transform 0.12s var(--ease), box-shadow 0.12s; }
.path-subj:hover { transform: translateY(-1px); }
.path-subj:active { transform: translateY(2px); box-shadow: 0 0 0 1px var(--border), 0 1px 0 var(--border); }
.path-subj.on { box-shadow: 0 0 0 2px var(--subj), 0 3px 0 color-mix(in srgb, var(--subj) 60%, #000); background: color-mix(in srgb, var(--subj) 10%, var(--surface)); }
.path-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 26px; align-items: start; }
.path-side { display: grid; gap: 14px; position: sticky; top: 16px; }
@media (max-width: 900px) { .path-layout { grid-template-columns: 1fr; } .path-side { position: static; order: -1; } }

.path {
  --subj: var(--accent);
  --subj-dark: color-mix(in srgb, var(--subj) 62%, #000);
  --lock: #cfd9e2; --lock-dark: #a7b6c4; --lock-ink: #8a99a8;
  --gold: #ffc531; --gold-dark: #d9970a;
  display: grid; gap: 14px; padding: 6px 0 80px;
}
@media (prefers-color-scheme: dark) { .path { --lock: #2b3766; --lock-dark: #1b244a; --lock-ink: #6c7aa6; } }
.path-unit { display: grid; gap: 4px; }

/* Unit banners: chunky raised slabs. */
.unit-banner {
  position: relative; display: flex; align-items: center; gap: 12px; padding: 16px 20px; border-radius: 18px; color: #fff;
  background: linear-gradient(180deg, color-mix(in srgb, var(--subj) 88%, #fff) 0%, var(--subj) 60%);
  box-shadow: 0 6px 0 var(--subj-dark), 0 14px 22px -14px var(--subj-dark);
}
.unit-banner::before { content: ""; position: absolute; left: 14px; right: 14px; top: 5px; height: 40%; border-radius: 12px; background: linear-gradient(180deg, rgba(255, 255, 255, 0.22), transparent); pointer-events: none; }
.unit-banner strong { display: block; font: 800 17px/1.3 var(--font-head); text-shadow: 0 1px 0 rgba(0, 0, 0, 0.18); }
.unit-num { font-size: 12.5px; font-weight: 800; letter-spacing: 0.03em; text-transform: uppercase; opacity: 0.88; }
.unit-count { flex: none; padding: 5px 11px; border-radius: 999px; background: rgba(0, 0, 0, 0.16); font-weight: 800; font-size: 13px; box-shadow: inset 0 2px 0 rgba(0, 0, 0, 0.12); }
.path-unit.far .unit-banner { background: linear-gradient(180deg, color-mix(in srgb, var(--lock) 80%, #fff), var(--lock)); color: var(--lock-ink); box-shadow: 0 6px 0 var(--lock-dark); }
.path-unit.far .unit-banner strong { text-shadow: none; }
.path-unit.cleared .unit-banner { background: linear-gradient(180deg, color-mix(in srgb, var(--subj) 80%, #fff) 0%, var(--subj) 55%, color-mix(in srgb, var(--subj) 70%, var(--gold)) 100%); }

/* The track the steps sit on. */
.unit-nodes { position: relative; display: grid; justify-items: center; gap: 30px; padding: 40px 0 34px; }
svg.road { position: absolute; inset: 0; z-index: 0; pointer-events: none; overflow: visible; }
.road-side, .road-top, .road-line { fill: none; stroke-linecap: round; }
.road-side { stroke: var(--lock-dark); stroke-width: 30; }
.road-top { stroke: var(--lock); stroke-width: 30; }
.road-line { stroke: rgba(255, 255, 255, 0.55); stroke-width: 3; stroke-dasharray: 2 12; }
.road-side.done { stroke: var(--subj-dark); }
.road-top.done { stroke: color-mix(in srgb, var(--subj) 70%, #fff); }
.road-line.done { stroke: rgba(255, 255, 255, 0.85); }

.pn-wrap { position: relative; z-index: 1; transform: translateX(var(--off, 0)); display: grid; justify-items: center; }
.pn-wrap.popped { z-index: 40; }
/* A soft shadow on the ground under each step. */
.pn-ground { position: absolute; top: 62px; width: 70px; height: 18px; border-radius: 50%; background: radial-gradient(closest-side, rgba(10, 16, 40, 0.32), transparent); pointer-events: none; }
.chest-ground { top: 50px; width: 64px; }

.pn {
  --c: var(--subj); --c-dark: var(--subj-dark);
  position: relative; width: 80px; height: 72px; padding: 0; border-radius: 50%; border: 0; cursor: pointer;
  display: grid; place-items: center; color: #fff;
  background: radial-gradient(120% 90% at 50% 18%, color-mix(in srgb, var(--c) 62%, #fff) 0%, var(--c) 52%, color-mix(in srgb, var(--c) 88%, #000) 100%);
  box-shadow: 0 10px 0 var(--c-dark), inset 0 -5px 0 rgba(0, 0, 0, 0.1), inset 0 3px 0 rgba(255, 255, 255, 0.35);
  transform: translateY(-4px);
  transition: transform 0.12s var(--ease), box-shadow 0.12s var(--ease), filter 0.15s;
}
.pn:hover { background: radial-gradient(120% 90% at 50% 18%, color-mix(in srgb, var(--c) 62%, #fff) 0%, var(--c) 52%, color-mix(in srgb, var(--c) 88%, #000) 100%); filter: brightness(1.05); transform: translateY(-6px); box-shadow: 0 12px 0 var(--c-dark), inset 0 -5px 0 rgba(0, 0, 0, 0.1), inset 0 3px 0 rgba(255, 255, 255, 0.35); }
.pn:active:not(:disabled) { transform: translateY(5px); box-shadow: 0 1px 0 var(--c-dark), inset 0 -3px 0 rgba(0, 0, 0, 0.1), inset 0 3px 0 rgba(255, 255, 255, 0.3); }
/* The glossy highlight on top. */
.pn-face { position: relative; display: grid; place-items: center; filter: drop-shadow(0 2px 0 rgba(0, 0, 0, 0.2)); }
.pn::after { content: ""; position: absolute; left: 17px; top: 9px; width: 26px; height: 12px; border-radius: 50%; background: rgba(255, 255, 255, 0.4); transform: rotate(-18deg); pointer-events: none; }
.pn-locked { --c: var(--lock); --c-dark: var(--lock-dark); color: var(--lock-ink); }
.pn-locked .pn-face { filter: none; }
.pn-locked::after { opacity: 0.5; }
.pn-done { --c: var(--gold); --c-dark: var(--gold-dark); }
/* A progress ring and a glow around the step you're on. */
.pn-current { animation: pn-breathe 2.4s ease-in-out infinite; }
.pn-current::before {
  content: ""; position: absolute; inset: -11px -11px -21px; border-radius: 50%; z-index: -1;
  background: conic-gradient(var(--subj) calc(var(--p, 0) * 360deg), color-mix(in srgb, var(--subj) 22%, transparent) 0);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 7px), #000 calc(100% - 6px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 7px), #000 calc(100% - 6px));
}
@keyframes pn-breathe { 50% { filter: brightness(1.08) drop-shadow(0 0 14px color-mix(in srgb, var(--subj) 55%, transparent)); } }
.pn-start {
  position: absolute; top: -48px; z-index: 2; padding: 8px 14px; border-radius: 12px; background: var(--surface); color: var(--subj);
  font: 800 13px/1 var(--font-body); letter-spacing: 0.06em; white-space: nowrap; pointer-events: none;
  box-shadow: 0 0 0 2px var(--border), 0 4px 0 var(--border); animation: pn-bob 1.6s ease-in-out infinite;
}
.pn-start::after { content: ""; position: absolute; left: 50%; bottom: -7px; width: 12px; height: 12px; background: var(--surface); transform: translateX(-50%) rotate(45deg); box-shadow: 2px 2px 0 0 var(--border); }
@keyframes pn-bob { 50% { transform: translateY(-6px); } }
.pn-wrap.current { margin-top: 36px; }

.pn-pop {
  position: absolute; top: calc(100% + 18px); z-index: 50; width: min(300px, 80vw); padding: 16px; border-radius: 18px; text-align: left;
  background: var(--subj); color: #fff; box-shadow: 0 6px 0 var(--subj-dark), var(--shadow-pop); animation: pop 0.25s var(--spring);
}
.pn-pop::before { content: ""; position: absolute; left: 50%; top: -8px; width: 16px; height: 16px; background: inherit; transform: translateX(-50%) rotate(45deg); border-radius: 3px; }
.pn-pop .secondary { color: rgba(255, 255, 255, 0.88); }
.pn-pop strong { display: block; font: 800 16px/1.3 var(--font-head); }
.pn-pop-kind { font-size: 12px; font-weight: 800; letter-spacing: 0.05em; text-transform: uppercase; opacity: 0.85; }
.pn-pop button.primary { background: #fff; border-color: #fff; color: var(--subj-dark); box-shadow: 0 4px 0 rgba(0, 0, 0, 0.18); border-radius: 14px; font-weight: 800; }
.pn-pop button.primary:active { transform: translateY(3px); box-shadow: 0 1px 0 rgba(0, 0, 0, 0.18); }
.pn-wrap.locked .pn-pop { background: var(--surface); color: var(--text); box-shadow: 0 0 0 2px var(--border), 0 6px 0 var(--border), var(--shadow-pop); }
.pn-wrap.locked .pn-pop .secondary { color: var(--text-2); }

/* Treasure chests at the end of each unit. */
.pn-chest { position: relative; display: grid; width: 64px; height: 54px; filter: drop-shadow(0 6px 0 var(--lock-dark)); }
.chest-lid { position: absolute; left: 0; right: 0; top: 0; height: 22px; border-radius: 14px 14px 4px 4px; background: linear-gradient(180deg, color-mix(in srgb, var(--lock) 70%, #fff), var(--lock)); box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.12); transform-origin: 50% 100%; transition: transform 0.5s var(--spring); }
.chest-box { position: absolute; left: 3px; right: 3px; bottom: 0; height: 34px; border-radius: 4px 4px 12px 12px; background: linear-gradient(180deg, var(--lock), var(--lock-dark)); display: grid; place-items: center; box-shadow: inset 0 3px 0 rgba(0, 0, 0, 0.1); }
.chest-lock { width: 18px; height: 18px; border-radius: 5px; background: var(--lock-dark); display: grid; place-items: center; color: #fff; }
.pn-chest.open { filter: drop-shadow(0 6px 0 #a96f05) drop-shadow(0 0 18px rgba(255, 197, 49, 0.55)); }
.pn-chest.open .chest-lid { background: linear-gradient(180deg, #ffe08a, var(--gold)); transform: translateY(-8px) rotate(-14deg); }
.pn-chest.open .chest-box { background: linear-gradient(180deg, var(--gold), var(--gold-dark)); }
.pn-chest.open .chest-lock { background: transparent; }

.path-summary { display: grid; gap: 10px; }
.ps-name { font: 800 18px/1.2 var(--font-head); }
.ps-level { display: flex; align-items: baseline; gap: 8px; }
.ps-level span { font-weight: 700; color: var(--muted); }
.ps-level strong { font: 800 40px/1 var(--font-head); color: var(--subj); }
.ps-next { display: grid; gap: 2px; padding-top: 12px; border-top: 1px solid var(--border); }
.path-key ul { list-style: none; padding: 0; margin: 8px 0 0; display: grid; gap: 8px; font-size: 14px; }
.path-key li { display: flex; gap: 10px; align-items: flex-start; }
.pk-icon { flex: none; width: 28px; height: 28px; border-radius: 9px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); }

/* =========================== answering a paper =========================== */
.attempt.paper-mode { display: block; height: auto; min-height: 100%; background: var(--page); }
.paper-bar { position: sticky; top: 0; z-index: 30; padding: 10px 22px; background: color-mix(in srgb, var(--surface) 92%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); display: grid; gap: 8px; }
.pb-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.pb-row .title { font: 800 16px/1.25 var(--font-head); min-width: 0; max-width: 46ch; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pq-nav { display: flex; align-items: center; gap: 5px; overflow-x: auto; padding-bottom: 2px; }
.pq-nav > .small { margin-right: 4px; flex: none; }
.pq-jump { flex: none; min-width: 32px; height: 30px; padding: 0 8px; border-radius: 9px; font-size: 13px; font-weight: 800; border: 1px solid var(--border); background: var(--surface); color: var(--text-2); }
.pq-jump.part { border-color: var(--marker); background: color-mix(in srgb, var(--marker) 14%, var(--surface)); color: var(--text); }
.pq-jump.done { border-color: var(--good); background: var(--good); color: #fff; }

.paper-sheet { max-width: 860px; margin: 26px auto 90px; padding: 44px 54px 40px; background: var(--surface); border-radius: 6px; box-shadow: 0 0 0 1px var(--border), 0 24px 50px -30px rgba(18, 26, 58, 0.35); transition: margin 0.3s var(--ease); }
@media (max-width: 760px) { .paper-sheet { margin: 12px 8px 80px; padding: 26px 18px; } }
@media (min-width: 1280px) { .attempt.pdf-big .paper-sheet { margin-left: max(24px, calc(50vw - min(48vw, 720px) - 460px)); margin-right: calc(min(48vw, 720px) + 40px); } }

.ps-cover { padding-bottom: 22px; margin-bottom: 26px; border-bottom: 3px solid var(--text); }
.ps-cover-top { display: flex; justify-content: space-between; gap: 12px; font-weight: 800; font-size: 13px; letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted); }
.ps-board { padding: 3px 10px; border-radius: 6px; background: var(--text); color: var(--surface); letter-spacing: 0.08em; }
.ps-cover h1 { margin: 16px 0 10px; font-size: clamp(22px, 3vw, 30px); line-height: 1.2; }
.ps-meta { display: flex; gap: 22px; color: var(--text-2); }
.ps-meta strong { color: var(--text); font-size: 18px; }
.ps-candidate { display: flex; align-items: flex-end; gap: 10px; margin: 18px 0; font-weight: 700; font-size: 14px; color: var(--muted); }
.ps-line { flex: 1; max-width: 360px; padding: 0 4px 2px; border-bottom: 1.5px solid var(--axis); color: var(--text); font: 700 24px/1 var(--font-hand); }
.ps-instructions { padding: 14px 18px; border: 1.5px solid var(--text); border-radius: 4px; font-size: 14px; }
.ps-instructions strong { text-transform: uppercase; letter-spacing: 0.05em; font-size: 13px; }
.ps-instructions ul { margin: 6px 0 0; padding-left: 18px; }

.pq-group { scroll-margin-top: 120px; padding: 6px 0 18px; border-bottom: 1px dashed var(--axis); margin-bottom: 18px; }
.pq-group:last-of-type { border-bottom: 0; }
.pq-group-head { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; color: var(--muted); font-size: 13px; }
.pq-group-head .qg-title { font: 800 13px/1 var(--font-body); letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted); }
.attempt.paper-mode .question.pq { display: grid; grid-template-columns: 92px minmax(0, 1fr); gap: 16px; padding: 16px 0; margin: 0; background: none; border: 0; box-shadow: none; border-radius: 0; }
.pq + .pq { border-top: 1px solid var(--grid); }
.pq-side { padding-top: 2px; }
.pq-num { display: inline-flex; align-items: center; gap: 3px; font: 800 17px/1 var(--font-head); }
.pq-num.text { font-size: 16px; }
.pq-box { width: 24px; height: 30px; display: grid; place-items: center; border: 1.5px solid var(--text); border-radius: 2px; }
.pq-rest { margin-left: 3px; }
.pq-main { min-width: 0; display: grid; gap: 10px; align-content: start; }
.pq-tags { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.pq-prompt { font-size: 15.5px; line-height: 1.65; white-space: pre-wrap; margin: 0 !important; }
.pq-foot { display: flex; align-items: center; gap: 8px; }
.pq-foot .link-btn { padding: 2px 0; font-size: 13px; }
.pq-marks { font-weight: 800; font-size: 14px; white-space: nowrap; }
.attempt.paper-mode .qg-foot { display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap; padding-top: 4px; }

/* Answer spaces drawn as ruled or dotted lines, like the printed booklet. */
.paper-mode .question textarea.ans:not(.ans-code) {
  --line: 32px;
  border: 0; border-radius: 0; padding: 4px 6px 0; box-shadow: none; resize: vertical;
  line-height: var(--line); font-size: 16px; min-height: calc(var(--line) * 3 + 6px);
  background: repeating-linear-gradient(to bottom, transparent 0, transparent calc(var(--line) - 1px), var(--axis) calc(var(--line) - 1px), var(--axis) var(--line)) 0 4px / 100% var(--line) local;
}
.paper-mode .question textarea.ans-long:not(.ans-code) { min-height: calc(var(--line) * 8 + 6px); }
.paper-mode .question textarea.ans:not(.ans-code):focus { outline: none; background-color: color-mix(in srgb, var(--marker) 7%, transparent); }
.paper-mode .question input.ans { border: 0; border-bottom: 2px dotted var(--axis); border-radius: 0; padding: 6px 4px; background: transparent; box-shadow: none; font-size: 16px; }
.paper-mode .question input.ans-line { width: 100%; }
.paper-mode .question input.ans:focus { outline: none; border-bottom-color: var(--marker); background: color-mix(in srgb, var(--marker) 7%, transparent); }
.paper-mode .ans-part { background: none; border: 0; border-left: 3px solid var(--grid); border-radius: 0; padding: 4px 0 4px 14px; }
.paper-mode .options label { border-radius: 8px; }

.ps-end { display: grid; justify-items: center; gap: 16px; padding-top: 24px; margin-top: 10px; border-top: 3px solid var(--text); font-weight: 800; letter-spacing: 0.12em; font-size: 14px; }

/* The original PDF, small in the corner. */
.pdf-float { position: fixed; z-index: 45; top: 188px; right: 20px; width: 300px; height: 410px; display: flex; flex-direction: column; border-radius: 16px; overflow: hidden; background: var(--surface); box-shadow: 0 0 0 1px var(--border), var(--shadow-pop); transition: width 0.25s var(--ease), height 0.25s var(--ease); }
.pdf-float[data-mode="big"] { top: 182px !important; right: 20px !important; left: auto !important; width: min(48vw, 720px); height: calc(100vh - 200px); }
.pdf-float[data-mode="pill"] { width: auto; height: auto; background: none; box-shadow: none; overflow: visible; }
.pdf-float[data-mode="pill"] .pf-head, .pdf-float[data-mode="pill"] .pdf-scroll { display: none; }
.pf-pill { display: none; align-items: center; gap: 8px; padding: 10px 16px; background: var(--accent); color: var(--accent-ink); border-color: var(--accent); box-shadow: var(--shadow-pop); }
.pf-pill:hover { background: var(--accent-hover); }
.pdf-float[data-mode="pill"] .pf-pill { display: inline-flex; }
.pf-head { flex: none; display: flex; align-items: center; gap: 4px; padding: 6px 6px 6px 10px; border-bottom: 1px solid var(--border); background: var(--surface); cursor: grab; user-select: none; font-size: 13px; }
.pdf-float[data-mode="big"] .pf-head { cursor: default; }
.pf-head:active { cursor: grabbing; }
.pf-grip { width: 10px; height: 16px; flex: none; background: radial-gradient(circle, var(--axis) 1.2px, transparent 1.6px) 0 0 / 5px 5px; }
.pf-title { font-weight: 800; color: var(--text-2); white-space: nowrap; }
.pf-docs { min-width: 0; max-width: 150px; padding: 4px 6px; font-size: 12.5px; border-radius: 8px; }
.pf-head .icon-btn { width: 30px; height: 30px; padding: 0; }
.pf-z { font-size: 17px; font-weight: 800; }
.pf-head > span:not(.spacer):not(.pf-grip):not(.pf-title) { font-size: 12px; color: var(--muted); min-width: 34px; text-align: center; }
.pdf-float .pdf-scroll { flex: 1; overflow: auto; padding: 8px; background: var(--grid); }
.pdf-float .pdf-pages { gap: 8px; }
@media (max-width: 760px) { .pdf-float[data-mode="mini"], .pdf-float[data-mode="big"] { left: 8px !important; right: 8px !important; top: 110px !important; width: auto; height: 60vh; } }

/* =========================== timetable =========================== */
.plan-bar.sub { margin-top: -4px; }
.plan-hint { margin-left: auto; }
.month-jump { position: relative; display: inline-grid; cursor: pointer; }
.month-jump input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; }
.month-jump input::-webkit-calendar-picker-indicator { position: absolute; inset: 0; width: 100%; height: 100%; cursor: pointer; }
.month-jump .month-name { padding: 6px 10px; border-radius: 10px; }
.month-jump:hover .month-name { background: var(--wash); }
.cal-day .cal-num { border: 0; background: none; padding: 0 6px; cursor: pointer; color: inherit; }
.cal-day .cal-num:hover { background: var(--wash); }
.cal-day.today .cal-num, .cal-day.today .cal-num:hover { background: var(--marker); color: var(--marker-ink); }
.cal-more { border: 0; background: none; padding: 0 4px; font-size: 11px; font-weight: 700; color: var(--accent); cursor: pointer; text-align: left; }
.cal-more:hover { background: none; text-decoration: underline; }

.ev { position: relative; padding-right: 18px; }
.ev-x { position: absolute; right: 2px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; border-radius: 5px; display: none; place-items: center; color: var(--text-2); background: color-mix(in srgb, var(--surface) 80%, transparent); cursor: pointer; }
.ev:hover .ev-x, .wk-ev:hover .ev-x, .ev:focus-visible .ev-x { display: grid; }
.ev-x:hover { color: #fff; background: var(--critical); }
.ev.picked, .wk-ev.picked { box-shadow: inset 0 0 0 2px var(--accent); }
.ev.selectable, .wk-ev.selectable { cursor: copy; }
.ev-check { flex: none; width: 14px; height: 14px; border-radius: 4px; border: 1.5px solid var(--axis); background: var(--surface); display: inline-grid; place-items: center; color: #fff; }
.picked .ev-check { background: var(--accent); border-color: var(--accent); }
.ev-check.big { width: 20px; height: 20px; border-radius: 6px; }
.agenda-row.selectable { cursor: copy; }
.agenda-row.picked { box-shadow: inset 0 0 0 2px var(--accent); border-radius: 12px; }

.wk { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 10px; }
@media (max-width: 900px) { .wk { grid-template-columns: 1fr; } }
.wk-day { min-height: 260px; display: flex; flex-direction: column; gap: 8px; padding: 10px; border-radius: 16px; background: var(--surface); box-shadow: 0 0 0 1px var(--border); cursor: pointer; transition: box-shadow 0.15s; }
.wk-day:hover { box-shadow: 0 0 0 1px var(--axis); }
.wk-day.today { box-shadow: 0 0 0 2px var(--marker); }
.wk-day.past { background: color-mix(in srgb, var(--surface) 70%, var(--page)); }
.wk-day.has-exam { background: color-mix(in srgb, var(--orange) 6%, var(--surface)); }
@media (max-width: 900px) { .wk-day { min-height: 0; } }
.wk-head { display: flex; align-items: baseline; gap: 6px; }
.wk-dow { font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }
.wk-num { font: 800 22px/1 var(--font-head); }
.wk-day.today .wk-num { color: var(--accent); }
.wk-mins { margin-left: auto; font-size: 11.5px; font-weight: 700; color: var(--muted); }
.wk-list { display: grid; gap: 6px; align-content: start; flex: 1; }
.wk-ev {
  position: relative; display: grid; gap: 2px; padding: 8px 10px 8px 12px; border-radius: 10px; cursor: pointer; text-align: left; min-width: 0;
  background: color-mix(in srgb, var(--subj, var(--accent)) 14%, var(--surface)); border-left: 4px solid var(--subj, var(--accent));
  transition: transform 0.15s var(--ease), box-shadow 0.15s;
}
.wk-ev:hover { transform: translateY(-1px); box-shadow: 0 8px 18px -12px rgba(18, 26, 58, 0.4); }
.wk-ev .ev-icon { position: absolute; right: 8px; top: 8px; color: var(--subj, var(--accent)); }
.wk-ev:hover .ev-icon { visibility: hidden; }
.wk-ev .ev-x { top: 14px; right: 6px; width: 20px; height: 20px; }
.wk-ev .ev-time { font-size: 11.5px; font-weight: 700; color: var(--text-2); }
.wk-ev .ev-title { font-weight: 800; font-size: 13.5px; line-height: 1.25; padding-right: 16px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.wk-sub { font-size: 11.5px; color: var(--text-2); }
.wk-topics { font-size: 11.5px; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.wk-ev.done { opacity: 0.6; }
.wk-ev.done .ev-title { text-decoration: line-through; }
.wk-ev.ev-mock { background: color-mix(in srgb, var(--orange) 14%, var(--surface)); border-left-color: var(--orange); }
.wk-ev.ev-gcse { background: color-mix(in srgb, var(--critical) 12%, var(--surface)); border-left-color: var(--critical); }
.wk-ev.ev-note { background: var(--wash); border-left-color: var(--muted); }
.wk-ev .ev-check { position: absolute; right: 8px; top: 8px; }
.wk-add { justify-self: start; padding: 4px 10px; font-size: 12.5px; border-style: dashed; color: var(--muted); opacity: 0; transition: opacity 0.15s; }
.wk-day:hover .wk-add, .wk-add:focus-visible { opacity: 1; }
@media (hover: none) { .wk-add { opacity: 1; } .ev-x { display: grid; } }

.select-bar { position: sticky; top: 8px; z-index: 5; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 10px 14px; margin-bottom: 12px; border-radius: 14px; background: var(--accent-soft); box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 30%, var(--border)); }
.select-bar select { padding: 6px 10px; border-radius: 999px; font-size: 14px; }

.ev-pop { position: fixed; z-index: 90; width: 300px; max-width: calc(100vw - 16px); display: grid; gap: 8px; padding: 14px 16px; border-radius: 16px; background: var(--surface); box-shadow: 0 0 0 1px var(--border), var(--shadow-pop); border-top: 5px solid var(--subj, var(--accent)); animation: pop 0.18s var(--ease); }
.ev-pop.ev-mock { border-top-color: var(--orange); }
.ev-pop.ev-gcse { border-top-color: var(--critical); }
.evp-head { display: flex; gap: 10px; align-items: center; }
.evp-head strong { display: block; font: 800 16px/1.25 var(--font-head); }
.evp-kind { font-size: 11.5px; font-weight: 800; letter-spacing: 0.05em; text-transform: uppercase; color: var(--muted); }
.evp-when { display: flex; align-items: center; gap: 6px; font-size: 13.5px; color: var(--text-2); }
.evp-count { font: 800 18px/1.1 var(--font-head); color: var(--orange); }
.evp-topics { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; font-size: 13.5px; max-height: 180px; overflow: auto; }
.evp-topics li { display: flex; gap: 6px; align-items: baseline; }
.evp-actions { display: flex; flex-wrap: wrap; gap: 6px; padding-top: 4px; }
.evp-actions button, .evp-actions .btn { padding: 6px 12px; font-size: 13px; }

.undo-bar { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); z-index: 95; display: flex; align-items: center; gap: 12px; padding: 10px 10px 10px 18px; border-radius: 14px; background: #121a3a; color: #fff; box-shadow: var(--shadow-pop); animation: toast-in 0.35s var(--spring); max-width: calc(100vw - 32px); transition: opacity 0.35s, transform 0.35s; }
.undo-bar.gone { opacity: 0; transform: translate(-50%, 10px); }
.undo-bar button.small { background: #fff; color: #121a3a; border-color: #fff; padding: 6px 14px; }
.undo-bar .icon-btn { color: rgba(255, 255, 255, 0.7); }
.undo-bar .icon-btn:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }

/* =========================== stats =========================== */
.study-card { display: grid; gap: 10px; }
.study-head { display: flex; gap: 16px; align-items: flex-start; flex-wrap: wrap; }
.study-bar { fill: var(--series-3); }
.study-split { display: flex; height: 12px; border-radius: 999px; overflow: hidden; background: var(--wash); }
.study-split span { display: block; height: 100%; }
.study-legend { display: flex; flex-wrap: wrap; gap: 6px 16px; font-size: 13px; color: var(--text-2); }

.leaderboard { display: grid; gap: 10px; align-content: start; }
.leaderboard .pills button { padding: 5px 12px; font-size: 13px; }
.lb-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.lb-row { display: flex; align-items: center; gap: 12px; padding: 8px 10px; border-radius: 12px; }
.lb-row.me { background: var(--accent-soft); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 30%, transparent); }
.lb-rank { flex: none; width: 28px; text-align: center; font: 800 16px/1 var(--font-head); color: var(--muted); }
.lb-row.top-1 .lb-rank { color: #d99a00; }
.lb-row.top-2 .lb-rank { color: #8a99b2; }
.lb-row.top-3 .lb-rank { color: #c27a3a; }
.lb-avatar { flex: none; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; object-fit: cover; background: var(--accent); color: var(--accent-ink); font-weight: 800; }
.lb-row.top-1 .lb-avatar { box-shadow: 0 0 0 3px #f2b01e; }
.lb-name { flex: 1; min-width: 0; display: grid; }
.lb-name strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lb-val { flex: none; font: 800 15px/1 var(--font-head); font-variant-numeric: tabular-nums; }
.hidden-me { opacity: 0.75; border: 1px dashed var(--axis); }
.holder { min-width: 0; display: grid; }
.holder > .sheet { height: 100%; }

/* Trophies: a medal and its name in a row, earned ones in gold. */
.tro-panel { display: grid; gap: 12px; }
.tro-count { font-weight: 800; font-size: 14px; color: var(--text-2); }
.tro-bar { height: 8px; border-radius: 999px; background: var(--wash); overflow: hidden; }
.tro-bar span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #f7c948, #f2a20c); }
.tro-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px; }
.tro-card { display: flex; align-items: center; gap: 12px; min-width: 0; padding: 12px 14px; border-radius: 16px; background: var(--wash); box-shadow: inset 0 0 0 1px var(--border); }
.tro-medal { flex: none; width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; background: var(--grid); color: var(--muted); box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.08); }
.tro-text { min-width: 0; display: grid; gap: 1px; font-size: 12.5px; line-height: 1.35; color: var(--text-2); }
.tro-text strong { font-size: 14.5px; color: var(--text); }
.tro-date { font-weight: 700; color: #c98a06; }
.tro-card.locked { opacity: 0.6; }
.tro-card.got { background: linear-gradient(135deg, color-mix(in srgb, #f2b01e 16%, var(--surface)), var(--surface) 70%); box-shadow: inset 0 0 0 1px color-mix(in srgb, #f2b01e 45%, var(--border)), 0 4px 0 color-mix(in srgb, #f2b01e 30%, var(--border)); }
.tro-card.got .tro-medal { background: radial-gradient(circle at 35% 30%, #ffe08a, #f2a20c 72%); color: #fff; box-shadow: 0 3px 0 #b8800b, inset 0 2px 0 rgba(255, 255, 255, 0.4); }
.tb-icon { width: 36px; height: 36px; border-radius: 11px; display: grid; place-items: center; background: var(--grid); color: var(--muted); }
.rw-badge .tb-icon, .rw-strip .tb-icon { background: linear-gradient(135deg, #f7c948, #f2a20c); color: #fff; }

/* =========================== rewards =========================== */
.rw-modal { max-width: 440px; max-height: calc(100vh - 32px); overflow-y: auto; display: grid; gap: 10px; justify-items: center; text-align: center; overflow: hidden; }
.rw-burst { width: 92px; height: 92px; border-radius: 50%; display: grid; place-items: center; color: #fff; background: radial-gradient(circle at 35% 30%, #ffe08a, #f2a20c 70%); box-shadow: 0 0 0 10px color-mix(in srgb, #f2b01e 18%, transparent), 0 0 0 22px color-mix(in srgb, #f2b01e 8%, transparent); animation: rw-pop 0.6s var(--spring) both; }
@keyframes rw-pop { from { transform: scale(0.3) rotate(-25deg); opacity: 0; } to { transform: none; opacity: 1; } }
.rw-modal h2 { margin: 8px 0 0; font-size: 26px; }
.rw-total { font: 800 40px/1.1 var(--font-head); color: var(--accent); font-variant-numeric: tabular-nums; }
.rw-lines { list-style: none; margin: 0; padding: 0; width: 100%; display: grid; gap: 4px; }
.rw-lines li { display: flex; justify-content: space-between; gap: 12px; padding: 7px 12px; border-radius: 10px; background: var(--wash); font-size: 14px; text-align: left; animation: rise 0.35s var(--ease) both; }
.rw-lines strong { color: var(--good); }
.rw-best { margin: 0; padding: 8px 12px; border-radius: 10px; background: color-mix(in srgb, var(--good) 12%, var(--surface)); color: var(--good); font-weight: 700; font-size: 14px; }
.rw-badges { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 6px; width: 100%; }
.rw-badge { display: flex; gap: 10px; align-items: center; text-align: left; padding: 8px 12px; border-radius: 12px; box-shadow: 0 0 0 1px color-mix(in srgb, #f2b01e 40%, var(--border)); }
.rw-badge strong { display: block; }
.rw-badge span:not(.tb-icon) { font-size: 13px; color: var(--text-2); }
.rw-level { width: 100%; display: grid; gap: 6px; text-align: left; }
.rw-strip { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 12px 16px; }

/* Phones: the bottom bar now has six tabs (Path was added). */
@media (max-width: 560px) {
  .topbar nav { grid-template-columns: repeat(6, 1fr); }
  .topbar nav a { font-size: 11px; padding: 10px 0; letter-spacing: 0; }
}

/* =========================== home, round two: you, your level, the path on the right =========================== */
.home-greet { align-items: center; }
.hg-main { min-width: 240px; }
.me-pic { position: relative; flex: none; padding: 0; border: 0; background: none; border-radius: 50%; cursor: pointer; box-shadow: 0 0 0 4px var(--surface), 0 0 0 6px var(--marker), 0 10px 24px -10px rgba(0, 0, 0, 0.5); }
.me-pic:hover { background: none; transform: translateY(-2px) rotate(-3deg); }
.me-pic .avatar { display: grid; }
.me-edit { position: absolute; right: -4px; bottom: -4px; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--accent); color: var(--accent-ink); box-shadow: 0 0 0 3px var(--surface); }
.me-level { display: flex; align-items: center; gap: 10px; max-width: 460px; margin-top: 10px; color: inherit; text-decoration: none; }
.ml-badge { flex: none; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; font: 800 15px/1 var(--font-head); color: #fff; background: radial-gradient(circle at 35% 30%, #ffd66b, #f2a20c 75%); box-shadow: 0 3px 0 #b8800b; }
.ml-track { position: relative; flex: 1; height: 20px; border-radius: 999px; background: var(--grid); box-shadow: inset 0 2px 0 rgba(0, 0, 0, 0.08); overflow: hidden; }
.ml-fill { position: absolute; inset: 0 auto 0 0; border-radius: inherit; background: linear-gradient(180deg, #ffd66b, #f2a20c); box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.12), inset 0 3px 0 rgba(255, 255, 255, 0.35); transition: width 0.8s var(--ease); }
.ml-text { position: absolute; inset: 0; display: grid; place-items: center; font: 800 12px/1 var(--font-body); color: var(--text); text-shadow: 0 1px 0 color-mix(in srgb, var(--surface) 70%, transparent); }
.ml-next { flex: none; font-size: 12.5px; font-weight: 800; color: var(--muted); }
.page-enter .ml-fill { animation: grow-x 0.9s var(--ease) 0.25s both; transform-origin: left center; }

.home-grid { grid-template-columns: minmax(0, 1fr) 380px; }
.home-grid.no-path { grid-template-columns: minmax(0, 1fr); }
.home-duo { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
@media (max-width: 640px) { .home-duo { grid-template-columns: 1fr; } }
.home-duo .side-card { align-content: start; }
.home-path { position: sticky; top: 12px; display: grid; gap: 10px; max-height: calc(100vh - 100px); grid-template-rows: auto minmax(0, 1fr); }
.hp-head { display: grid; gap: 8px; padding: 16px 18px; }
.hp-level { display: block; font: 800 20px/1.2 var(--font-head); }
.hp-road { overflow-y: auto; overflow-x: hidden; padding: 6px 4px 0; border-radius: 18px; scrollbar-width: thin; }
@media (max-width: 960px) { .home-grid { grid-template-columns: 1fr; } .home-path { position: static; max-height: none; } .hp-road { overflow: visible; } }

/* The path on the home page is a little tighter. */
.path.compact { padding-bottom: 20px; gap: 10px; }
.path.compact .unit-banner { padding: 12px 14px; gap: 10px; }
.path.compact .unit-banner strong { font-size: 15px; }
.path.compact .unit-num { font-size: 11px; }
.path.compact .unit-nodes { gap: 24px; padding: 32px 0 26px; }
.path.compact .pn-pop { width: min(260px, 80vw); }
.unit-banner .subj-badge, .unit-banner > span:first-child { box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.55); border-radius: 12px; }
.path-unit.far .unit-banner > span:first-child { filter: grayscale(0.6); opacity: 0.8; }
.path-subj.all { padding-left: 8px; }
.ps-all { width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--accent); color: var(--accent-ink); }

.exam-topics { color: var(--text-2); }
.exam-row .agenda-main { gap: 1px; }

/* =========================== animal profile pictures =========================== */
.avatar.animal { background: var(--av) !important; }
.animal-face { line-height: 1; transform: translateY(4%); }
.animal-modal { max-width: 520px; }
.animal-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(64px, 1fr)); gap: 10px; }
.animal-opt { aspect-ratio: 1; padding: 0; display: grid; place-items: center; border-radius: 50%; border: 0; background: var(--av); font-size: 32px; line-height: 1; box-shadow: 0 4px 0 color-mix(in srgb, var(--av) 60%, #000); }
.animal-opt:hover { background: var(--av); transform: translateY(-3px) scale(1.05); }
.animal-opt:active:not(:disabled) { transform: translateY(3px); box-shadow: 0 1px 0 color-mix(in srgb, var(--av) 60%, #000); }
.animal-opt.on { box-shadow: 0 0 0 3px var(--surface), 0 0 0 6px var(--marker); }
.lb-avatar.animal { font-size: 21px; line-height: 1; }

/* =========================== setup quiz: your grades (draggable bars) =========================== */
.ob-grades-wrap { display: grid; gap: 12px; }
.ob-gs-help { margin-left: auto; font-size: 13px; font-weight: 700; color: var(--muted); }
/* A big framed panel that scrolls on its own, so every subject fits however many you take. */
.ob-grades-frame {
  height: clamp(320px, calc(100vh - 380px), 760px); overflow-y: auto; overscroll-behavior: contain;
  padding: 14px; border-radius: 22px; background: var(--wash); box-shadow: inset 0 0 0 1.5px var(--border), inset 0 10px 18px -14px rgba(0, 0, 0, 0.35);
  scrollbar-width: thin; scroll-behavior: smooth;
  mask-image: linear-gradient(to bottom, transparent 0, #000 14px, #000 calc(100% - 18px), transparent 100%);
}
.ob-grades { display: grid; gap: 10px; }
.ob-gs-row {
  --subj: var(--accent); --gc: var(--muted); --pct: 0%;
  display: grid; gap: 12px; padding: 14px 18px 10px; border-radius: 18px; background: var(--surface);
  box-shadow: 0 0 0 1px var(--border), 0 4px 0 var(--border); transition: box-shadow 0.2s;
}
.ob-gs-row.set { box-shadow: 0 0 0 1.5px color-mix(in srgb, var(--gc) 55%, var(--border)), 0 4px 0 color-mix(in srgb, var(--gc) 35%, var(--border)); }
.ob-gs-head { display: flex; align-items: center; gap: 12px; }
.ob-gs-head .ob-gr-name { flex: 1; font-weight: 800; }
.ob-gs-grade { flex: none; padding: 6px 12px; border-radius: 999px; font: 800 14px/1 var(--font-head); color: var(--muted); background: var(--wash); transition: background 0.2s, color 0.2s; }
.ob-gs-row.set .ob-gs-grade { background: var(--gc); color: #fff; box-shadow: 0 2px 0 color-mix(in srgb, var(--gc) 60%, #000); }
.ob-gs-grade.bump { animation: chip-bump 0.35s var(--spring); }
.ob-gs-track { display: grid; gap: 2px; }

/* The bar itself: a thick rounded track that fills in the grade's colour, with a big round handle. */
.ob-gs-range { -webkit-appearance: none; appearance: none; width: 100%; height: 34px; margin: 0; background: transparent; cursor: grab; touch-action: pan-y; }
.ob-gs-range:active { cursor: grabbing; }
.ob-gs-range:focus { outline: none; }
.ob-gs-range::-webkit-slider-runnable-track {
  height: 14px; border-radius: 999px;
  background: linear-gradient(90deg, var(--gc) 0 var(--pct), var(--grid) var(--pct) 100%);
  box-shadow: inset 0 2px 0 rgba(0, 0, 0, 0.1);
}
.ob-gs-range::-moz-range-track { height: 14px; border-radius: 999px; background: var(--grid); box-shadow: inset 0 2px 0 rgba(0, 0, 0, 0.1); }
.ob-gs-range::-moz-range-progress { height: 14px; border-radius: 999px; background: var(--gc); }
.ob-gs-range::-webkit-slider-thumb {
  -webkit-appearance: none; width: 30px; height: 30px; margin-top: -8px; border-radius: 50%;
  background: #fff; border: 4px solid var(--gc); box-shadow: 0 3px 0 color-mix(in srgb, var(--gc) 55%, #000), 0 6px 14px -6px rgba(0, 0, 0, 0.5);
  transition: transform 0.12s var(--ease);
}
.ob-gs-range::-moz-range-thumb { width: 22px; height: 22px; border-radius: 50%; background: #fff; border: 4px solid var(--gc); box-shadow: 0 3px 0 color-mix(in srgb, var(--gc) 55%, #000); }
.ob-gs-range:hover::-webkit-slider-thumb { transform: scale(1.08); }
.ob-gs-range:active::-webkit-slider-thumb { transform: scale(1.18); }
.ob-gs-range:focus-visible::-webkit-slider-thumb { box-shadow: 0 0 0 4px var(--marker-soft), 0 3px 0 color-mix(in srgb, var(--gc) 55%, #000); }
/* Grade labels under the bar, lined up with the handle's stops. Click one to jump there. */
.ob-gs-ticks { display: flex; justify-content: space-between; padding: 0 8px; }
.ob-gs-tick { width: 0; min-width: 0; padding: 0; overflow: visible; display: flex; justify-content: center; border: 0; background: none; box-shadow: none; font: 800 11.5px/1.8 var(--font-body); color: var(--muted); white-space: nowrap; }
.ob-gs-tick:hover { background: none; color: var(--text); }

/* =========================== focus on the subjects you're behind in =========================== */
.unit-focus { flex: none; display: inline-flex; align-items: center; gap: 4px; padding: 4px 9px; border-radius: 999px; background: rgba(255, 255, 255, 0.92); color: var(--subj-dark); font: 800 11.5px/1 var(--font-body); letter-spacing: 0.02em; box-shadow: 0 2px 0 rgba(0, 0, 0, 0.15); }
.unit-focus.failing { background: #fff; color: var(--critical); }
.path-unit.far .unit-focus { opacity: 0.8; }
.path-focus ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.path-focus li { display: flex; align-items: center; gap: 10px; }
.path-focus li .grow { display: grid; min-width: 0; }
.pf-weight { flex: none; padding: 3px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font: 800 12.5px/1 var(--font-head); }
.pf-weight.failing { background: color-mix(in srgb, var(--critical) 14%, var(--surface)); color: var(--critical); }
.focus-note { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: -10px 0 18px; padding: 10px 14px; border-radius: 14px; background: color-mix(in srgb, var(--orange) 9%, var(--surface)); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--orange) 30%, var(--border)); font-size: 14px; }
.fn-icon { flex: none; width: 28px; height: 28px; border-radius: 9px; display: grid; place-items: center; background: var(--orange); color: #fff; }
.fn-subj { font-weight: 800; color: var(--subj, var(--text)); }

/* =========================== Learn: keep the cards you got wrong =========================== */
.keep-box { display: grid; gap: 10px; justify-items: center; text-align: center; margin: 4px auto 18px; max-width: 520px; }
.keep-box.big { padding: 16px 20px; border-radius: 18px; background: color-mix(in srgb, var(--orange) 9%, var(--surface)); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--orange) 30%, var(--border)); }
.keep-box .row { justify-content: center; flex-wrap: wrap; }
.keep-box.none { color: var(--text-2); font-size: 14px; }
.learn-summary .keep-box { margin-top: 18px; }
.mock-box { display: grid; gap: 8px; justify-items: center; text-align: center; margin: 6px auto 16px; max-width: 520px; padding: 20px 22px; border-radius: 20px; background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 12%, var(--surface)), var(--surface)); box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--accent) 35%, var(--border)), 0 5px 0 color-mix(in srgb, var(--accent) 25%, var(--border)); }
.mock-box h3 { margin: 0; font-size: 20px; }
.mock-kicker { font-size: 12px; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; color: var(--accent); }
.mock-count { font-variant-numeric: tabular-nums; }

/* =========================== code in Computer Science =========================== */
:root { --font-code: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, "Courier New", monospace; }
.rich-prompt { white-space: normal; }
.rich-prompt p { margin: 0 0 10px; white-space: pre-wrap; }
.rich-prompt p:last-child { margin-bottom: 0; }
.code-block { position: relative; margin: 10px 0 12px; border-radius: 12px; background: #0f1630; color: #e6ebff; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06), 0 3px 0 #0a0f22; overflow: hidden; }
.code-block pre { margin: 0; padding: 30px 16px 14px 0; overflow-x: auto; font: 500 14px/1.65 var(--font-code); tab-size: 4; white-space: pre; }
.code-block code { font: inherit; display: block; min-width: max-content; }
.code-line { display: block; padding-left: 16px; }
.code-line:hover { background: rgba(255, 255, 255, 0.04); }
.code-line .ln { display: inline-block; width: 2.2em; margin-right: 14px; margin-left: -4px; text-align: right; color: #5d6896; user-select: none; }
.code-lang { position: absolute; top: 7px; right: 10px; padding: 2px 8px; border-radius: 6px; font: 700 10.5px/1.4 var(--font-body); letter-spacing: 0.05em; text-transform: uppercase; color: #9aa6d6; background: rgba(255, 255, 255, 0.06); }
.tk-kw { color: #ff8fb1; font-weight: 700; }
.tk-fn { color: #7fd1ff; }
.tk-str { color: #a5e38c; }
.tk-num { color: #ffc56b; }
.tk-op { color: #8fe1e6; font-weight: 700; }
.tk-com { color: #7a86b5; font-style: italic; }
.code-inline { padding: 1px 6px; border-radius: 6px; background: var(--wash); box-shadow: inset 0 0 0 1px var(--border); font: 600 0.92em/1.4 var(--font-code); white-space: nowrap; }
textarea.ans-code, textarea.code, .answer-box.code { font-family: var(--font-code) !important; font-size: 14px; line-height: 1.6; tab-size: 4; }
.code-answer { display: grid; gap: 6px; }
.sym-bar { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.sym-bar .sym { min-width: 36px; height: 32px; padding: 0 8px; border-radius: 9px; font: 700 17px/1 var(--font-code); box-shadow: 0 2px 0 var(--border); }

/* =========================== quizzes, one question at a time =========================== */
body.quizzing .topbar, body.quizzing .side-tab, body.quizzing .sidebar, body.quizzing .side-scrim { display: none !important; }
/* The docked sidebar is hidden while quizzing, so drop the room it keeps on the left too. */
body.quizzing.side-open { padding-left: 0; }
.qz { --subj: var(--accent); min-height: 100%; display: grid; grid-template-rows: auto 1fr auto; max-width: 780px; margin: 0 auto; padding: 18px 20px 0; }
.qz-top { display: flex; align-items: center; gap: 14px; padding-bottom: 14px; }
.qz-bar { flex: 1; display: flex; gap: 5px; }
.qz-seg { flex: 1; height: 12px; border-radius: 999px; background: var(--grid); box-shadow: inset 0 2px 0 rgba(0, 0, 0, 0.08); transition: background 0.35s var(--ease), transform 0.35s var(--spring); }
.qz-seg.now { background: color-mix(in srgb, var(--subj) 35%, var(--grid)); }
.qz-seg.right { background: var(--good); transform: scaleY(1.15); }
.qz-seg.part { background: var(--warning); }
.qz-seg.wrong { background: var(--critical); }
.qz-seg.skip { background: var(--axis); }
.qz-streak { flex: none; display: inline-flex; align-items: center; gap: 5px; padding: 6px 12px; border-radius: 999px; background: var(--orange); color: #fff; font: 800 13px/1 var(--font-body); box-shadow: 0 3px 0 color-mix(in srgb, var(--orange) 60%, #000); }
.qz-streak.pop { animation: chip-bump 0.45s var(--spring); }
.qz-stage { display: grid; align-content: start; padding: 10px 0 24px; }
.qz-card { padding: 26px 28px; border-radius: 24px; background: var(--surface); box-shadow: 0 0 0 1.5px var(--border), 0 6px 0 var(--border); display: grid; gap: 14px; }
.qz-card.qz-in { animation: qz-in 0.45s var(--spring) both; }
@keyframes qz-in { from { opacity: 0; transform: translateX(40px) scale(0.98); } to { opacity: 1; transform: none; } }
.qz-card.qz-good { animation: qz-good 0.6s var(--spring); box-shadow: 0 0 0 2.5px var(--good), 0 6px 0 color-mix(in srgb, var(--good) 60%, #000); }
@keyframes qz-good { 30% { transform: scale(1.025); } }
.qz-card.qz-shake { animation: qz-shake 0.45s; box-shadow: 0 0 0 2.5px var(--critical), 0 6px 0 color-mix(in srgb, var(--critical) 50%, #000); }
@keyframes qz-shake { 20%, 60% { transform: translateX(-8px); } 40%, 80% { transform: translateX(8px); } }
.qz-kicker { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 13.5px; color: var(--text-2); }
.qz-marks { padding: 4px 10px; border-radius: 999px; background: var(--wash); font-size: 12.5px; }
.qz-topic { font-size: 12.5px; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase; color: var(--subj); }
.qz-prompt { font: 600 19px/1.55 var(--font-body); color: var(--text); white-space: pre-wrap; }
.qz-prompt.rich-prompt { white-space: normal; }
.qz-answer .ans { font-size: 17px; }
.qz-answer textarea.ans:not(.ans-code) { min-height: 110px; border-radius: 14px; }
.qz-answer input.ans { border-radius: 14px; padding: 12px 14px; width: 100%; }
.qz-answer .options { gap: 10px; }
.qz-answer .options label { padding: 14px 16px; border-radius: 16px; border: 2px solid var(--border); box-shadow: 0 3px 0 var(--border); cursor: pointer; transition: transform 0.12s var(--ease), border-color 0.15s; }
.qz-answer .options label:hover { border-color: var(--axis); }
.qz-answer .options label:has(input:checked) { border-color: var(--subj); background: color-mix(in srgb, var(--subj) 10%, var(--surface)); box-shadow: 0 3px 0 color-mix(in srgb, var(--subj) 55%, var(--border)); transform: translateY(-1px); }

.qz-foot { position: sticky; bottom: 0; display: flex; align-items: center; gap: 12px; margin: 0 -20px; padding: 16px 20px calc(16px + env(safe-area-inset-bottom)); border-top: 2px solid var(--border); background: var(--surface); }
.qz-foot button { min-height: 50px; padding: 0 26px; border-radius: 16px; font-size: 16px; font-weight: 800; }
.qz-check { min-width: 160px; box-shadow: 0 4px 0 color-mix(in srgb, var(--accent) 55%, #000) !important; }
.qz-check:disabled { box-shadow: 0 4px 0 var(--border) !important; }
.qz-foot.checking { justify-content: center; gap: 14px; min-height: 84px; }
.qz-dots { display: inline-flex; gap: 6px; }
.qz-dots span { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); animation: qz-dot 1s infinite ease-in-out; }
.qz-dots span:nth-child(2) { animation-delay: 0.15s; }
.qz-dots span:nth-child(3) { animation-delay: 0.3s; }
@keyframes qz-dot { 0%, 80%, 100% { transform: scale(0.5); opacity: 0.4; } 40% { transform: scale(1); opacity: 1; } }
.qz-foot.fb { animation: qz-up 0.35s var(--spring); }
@keyframes qz-up { from { transform: translateY(30px); opacity: 0; } }
.qz-foot.fb.right { --fb: var(--good); }
.qz-foot.fb.part { --fb: var(--warning); }
.qz-foot.fb.wrong { --fb: var(--critical); }
.qz-foot.fb.unknown { --fb: var(--muted); }
.qz-foot.fb { background: color-mix(in srgb, var(--fb) 14%, var(--surface)); border-top-color: color-mix(in srgb, var(--fb) 50%, var(--border)); }
.qz-fb { flex: 1; min-width: 0; display: flex; gap: 14px; align-items: flex-start; }
.qz-fb-icon { flex: none; width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; color: #fff; background: var(--fb); box-shadow: 0 3px 0 color-mix(in srgb, var(--fb) 55%, #000); animation: rw-pop 0.45s var(--spring) both; }
.qz-fb-text { min-width: 0; display: grid; gap: 3px; }
.qz-fb-text strong { font: 800 20px/1.2 var(--font-head); color: var(--fb); }
.qz-fb-text > span { font-size: 14.5px; color: var(--text); }
.qz-why summary { cursor: pointer; font-size: 13px; font-weight: 700; color: var(--text-2); }
.qz-why p { margin: 6px 0 0; font-size: 14px; color: var(--text-2); }
.qz-xp { flex: none; align-self: center; padding: 6px 12px; border-radius: 999px; background: #f2b01e; color: #3b2600; font: 800 14px/1 var(--font-head); animation: qz-xp 0.9s var(--spring) both; }
@keyframes qz-xp { 0% { transform: translateY(14px) scale(0.6); opacity: 0; } 60% { transform: translateY(-4px) scale(1.12); opacity: 1; } 100% { transform: none; } }
.qz-next { color: #fff !important; background: var(--fb) !important; border-color: var(--fb) !important; box-shadow: 0 4px 0 color-mix(in srgb, var(--fb) 55%, #000) !important; }
.qz-next:active { transform: translateY(3px); box-shadow: 0 1px 0 color-mix(in srgb, var(--fb) 55%, #000) !important; }
.qz-done { justify-items: center; text-align: center; padding: 50px 28px; }
@media (max-width: 560px) { .qz-card { padding: 20px 18px; } .qz-prompt { font-size: 17px; } .qz-foot { flex-wrap: wrap; } .qz-fb { flex-basis: 100%; } .qz-foot.fb .qz-next { width: 100%; justify-content: center; } }

/* =========================== results, simpler =========================== */
.rs-hero { --subj: var(--accent); display: flex; align-items: center; gap: 22px; flex-wrap: wrap; padding: 24px 26px; }
.rs-ring { --tone: var(--good); position: relative; flex: none; width: 128px; height: 128px; }
.rs-ring svg { width: 100%; height: 100%; }
.rs-track { fill: none; stroke: var(--grid); stroke-width: 12; }
.rs-fill { fill: none; stroke: var(--tone); stroke-width: 12; stroke-linecap: round; }
.page-enter .rs-fill { animation: ring 1.1s var(--ease) 0.2s both; }
.rs-pct { position: absolute; inset: 0; display: grid; place-items: center; font: 800 30px/1 var(--font-head); font-variant-numeric: tabular-nums; }
.rs-main { flex: 1 1 220px; min-width: 0; display: grid; gap: 4px; }
.rs-main h1 { margin: 0; font-size: clamp(28px, 4vw, 38px); }
.rs-main p { margin: 0; font-size: 17px; color: var(--text-2); }
.rs-sub { font-size: 13px; font-weight: 700; color: var(--muted); }
.rs-grade { flex: none; display: grid; justify-items: center; gap: 2px; font-size: 12px; font-weight: 800; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.rs-tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.rs-tile { --t: var(--good); display: grid; justify-items: center; gap: 2px; padding: 16px 10px; border-radius: 18px; background: color-mix(in srgb, var(--t) 12%, var(--surface)); box-shadow: inset 0 0 0 1.5px color-mix(in srgb, var(--t) 35%, var(--border)), 0 4px 0 color-mix(in srgb, var(--t) 25%, var(--border)); }
.rs-tile.part { --t: var(--warning); }
.rs-tile.wrong { --t: var(--critical); }
.rs-tile strong { font: 800 32px/1 var(--font-head); color: var(--t); }
.rs-tile span { font-weight: 700; color: var(--text-2); font-size: 14px; }
.rs-notes { display: grid; gap: 6px; }
.rs-notes p { margin: 0; }
.rs-weak h2 { margin: 0 0 8px; font-size: 18px; }
.rs-topic { display: flex; align-items: center; gap: 12px; padding: 6px 0; }
.rs-topic-bar { flex: 0 0 120px; height: 10px; border-radius: 999px; background: var(--grid); overflow: hidden; }
.rs-topic-bar span { display: block; height: 100%; border-radius: inherit; background: var(--warning); }
.rs-actions { flex-wrap: wrap; }
/* minmax(0, 1fr): without it a grid column grows to fit a one-line (nowrap) title, pushing the
   whole card and its text off the side of the screen. */
.rs-list { display: grid; grid-template-columns: minmax(0, 1fr); gap: 6px; }
.rs-q { min-width: 0; overflow-wrap: anywhere; }
.rs-q { --t: var(--good); border-radius: 14px; background: var(--surface); box-shadow: inset 4px 0 0 var(--t), 0 0 0 1px var(--border); }
.rs-q.part { --t: var(--warning); }
.rs-q.wrong { --t: var(--critical); }
.rs-q > summary { list-style: none; display: flex; align-items: center; gap: 10px; padding: 11px 14px 11px 16px; cursor: pointer; }
.rs-q > summary::-webkit-details-marker { display: none; }
.rs-q[open] > summary .chev { transform: rotate(180deg); }
.rs-q .chev { flex: none; color: var(--muted); transition: transform 0.2s; }
.rs-q-icon { flex: none; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; color: #fff; background: var(--t); }
.rs-q-id { flex: none; font: 800 13px/1 var(--font-head); color: var(--text-2); min-width: 34px; }
.rs-q-text { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 14px; }
.rs-q-body { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; padding: 4px 16px 16px 20px; }
.rs-q-body .q-prompt { font-size: 14.5px; color: var(--text-2); }
.rs-pair { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr)); gap: 12px; }
.rs-pair > * { min-width: 0; }
.rs-pair .label { display: block; margin-bottom: 4px; font-size: 12px; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase; color: var(--muted); }
.rs-why { margin: 0; padding: 10px 12px; border-radius: 10px; background: var(--wash); font-size: 14px; }
.rs-more > summary { cursor: pointer; font-weight: 700; color: var(--text-2); padding: 6px 0; }
.rs-more[open] > summary { margin-bottom: 8px; }
.pn-anyway { width: 100%; margin-top: 6px; background: transparent; border-color: rgba(255, 255, 255, 0.55); color: #fff; }
.pn-anyway:hover { background: rgba(255, 255, 255, 0.12); border-color: #fff; }
.relearn-modal { max-width: 460px; display: grid; gap: 6px; }
.relearn-modal h2 { margin: 0; }
.relearn-actions { display: grid; gap: 8px; margin-top: 8px; }
.relearn-actions button { justify-content: center; }
.grade-section { margin-bottom: 22px; }
.my-grades .ob-gs-row { box-shadow: 0 0 0 1px var(--border), 0 3px 0 var(--border); }
.my-grades .ob-gr-name .small { font-weight: 600; }

/* Quick quizzes: difficulty, and multiple choice that lights up */
.qz-level { --lv: var(--good); display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 999px; background: color-mix(in srgb, var(--lv) 14%, var(--surface)); color: var(--lv); font-size: 12.5px; font-weight: 800; }
.qz-level.l2 { --lv: var(--warning); }
.qz-level.l3 { --lv: var(--critical); }
.qz-pips { display: inline-flex; gap: 2px; }
.qz-pips i { width: 5px; height: 12px; border-radius: 2px; background: color-mix(in srgb, var(--lv) 30%, transparent); }
.qz-pips i.on { background: var(--lv); }
.qz-short .qz-prompt { font-size: 21px; }
.qz-answer .options label.opt-right { border-color: var(--good) !important; background: color-mix(in srgb, var(--good) 16%, var(--surface)) !important; box-shadow: 0 3px 0 color-mix(in srgb, var(--good) 55%, #000) !important; animation: chip-bump 0.4s var(--spring); }
.qz-answer .options label.opt-wrong { border-color: var(--critical) !important; background: color-mix(in srgb, var(--critical) 12%, var(--surface)) !important; box-shadow: 0 3px 0 color-mix(in srgb, var(--critical) 50%, #000) !important; }
.qz-answer .options label:has(input:disabled) { cursor: default; }
.qz-answer .options input[type="radio"] { width: 20px; height: 20px; }

/* Learn / Flashcards header: full width, title centred, buttons on the right (it was bunching up on the left). */
.study-root > .study-head { display: grid !important; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr) minmax(0, 1fr); width: 100%; align-self: stretch; box-sizing: border-box; min-height: 68px; height: auto; padding-top: 10px; padding-bottom: 10px; }
.study-head .mode-wrap { justify-self: start; }
.study-head .study-title { justify-self: center; text-align: center; min-width: 0; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 17px; }
.study-head .study-actions { justify-self: end; display: flex; align-items: center; gap: 10px; }
.study-head .mode-switch, .study-head .ghost-btn { min-height: 42px; padding: 8px 14px; white-space: nowrap; }
.study-head .study-actions .close { width: 42px; height: 42px; display: grid; place-items: center; }
.mode-switch.locked { cursor: default; gap: 8px; }
.mode-switch.locked .icon:last-child { color: var(--muted); }
@media (max-width: 560px) { .study-head .ghost-label { display: none; } }

/* Quiz top bar: a proper close button and room around the progress bar. */
.qz-top { gap: 16px; min-height: 56px; }
.qz-close { flex: none; width: 44px; height: 44px; display: grid; place-items: center; border-radius: 14px; border: 1.5px solid var(--border); background: var(--surface); box-shadow: 0 3px 0 var(--border); }
.qz-close:hover { border-color: var(--axis); background: var(--surface); }
.qz-bar { min-width: 0; }
.qz-streak { white-space: nowrap; }

/* End of a path flashcard set: Next task / Save flashcards / Go back to home */
.path-choices { display: grid; gap: 12px; justify-items: center; width: min(720px, 100%); margin: 8px auto 0; }
.path-choices h3 { margin: 0; font-size: 20px; }
.pc-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; width: 100%; }
@media (max-width: 640px) { .pc-row { grid-template-columns: 1fr; } }
.pc-btn { display: grid; justify-items: center; align-content: start; gap: 6px; padding: 18px 14px 16px; border-radius: 20px !important; text-align: center; white-space: normal; text-decoration: none; color: var(--text); background: var(--surface); border: 1.5px solid var(--border); box-shadow: 0 5px 0 var(--border); transition: transform 0.12s var(--ease), box-shadow 0.12s; }
.pc-btn:hover { transform: translateY(-2px); background: var(--surface); border-color: var(--axis); }
.pc-btn:active:not(:disabled) { transform: translateY(4px); box-shadow: 0 1px 0 var(--border); }
.pc-btn strong { font: 800 16px/1.2 var(--font-head); }
.pc-btn small { font-size: 12.5px; color: var(--text-2); line-height: 1.35; }
.pc-icon { width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; background: var(--wash); color: var(--accent); }
.pc-btn.primary { background: var(--accent) !important; border-color: var(--accent) !important; color: var(--accent-ink) !important; box-shadow: 0 5px 0 color-mix(in srgb, var(--accent) 55%, #000) !important; }
.pc-btn.primary small { color: inherit; opacity: 0.85; }
.pc-btn.primary .pc-icon { background: rgba(255, 255, 255, 0.22); color: inherit; }
.pc-note { margin: 0; min-height: 1.4em; text-align: center; }

/* My subjects: English Literature set texts */
.settext-section { margin-bottom: 22px; }
.settext-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 12px; }
.settext { display: grid; gap: 6px; padding: 12px 14px; border-radius: 16px; background: var(--wash); box-shadow: inset 0 0 0 1px var(--border); }
.st-kind { display: grid; font-weight: 800; }
.st-kind small { font-weight: 600; color: var(--muted); font-size: 12px; }
.settext select { width: 100%; padding: 9px 12px; border-radius: 12px; font-weight: 700; }

/* How far through each path step: a ring round any started step, and a percentage under it. */
.pn-started::before {
  content: ""; position: absolute; inset: -11px -11px -21px; border-radius: 50%; z-index: -1;
  background: conic-gradient(var(--subj) calc(var(--p, 0) * 360deg), color-mix(in srgb, var(--subj) 22%, transparent) 0);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 7px), #000 calc(100% - 6px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 7px), #000 calc(100% - 6px));
}
.pn-pct { position: relative; z-index: 2; margin-top: 14px; padding: 3px 9px; border-radius: 999px; background: var(--surface); box-shadow: 0 0 0 1.5px var(--border); font: 800 12px/1.3 var(--font-head); font-variant-numeric: tabular-nums; color: var(--subj); }
.pn-pct.done { color: #b8800b; box-shadow: 0 0 0 1.5px color-mix(in srgb, #f2b01e 50%, var(--border)); }
.pn-wrap:has(.pn-pct) .pn-pop { top: calc(100% + 12px); }

/* =========================== Sparx-style maths and science: pictures, units, typeset maths =========================== */
.math-text .katex { font-size: 1.08em; }
.qz-prompt .katex { font-size: 1.06em; }
.math-display { display: block; margin: 8px 0; text-align: center; }
.qv { margin: 2px 0 4px; padding: 14px 14px 10px; border-radius: 18px; background: var(--surface); box-shadow: inset 0 0 0 1.5px var(--border); display: grid; gap: 6px; justify-items: center; }
.qv figcaption { font-weight: 800; font-size: 14px; color: var(--text-2); }
.qv-svg { width: 100%; max-width: 560px; height: auto; overflow: visible; }
.qv-shape { max-width: 380px; }
.qv-grid line { stroke: var(--grid); stroke-width: 1; }
.qv-axis { stroke: var(--text-2); stroke-width: 1.6; }
.qv-tick { fill: var(--text-2); font: 600 12px/1 var(--font-body); font-variant-numeric: tabular-nums; }
.qv-label { fill: var(--text); font: 800 13px/1 var(--font-body); }
.qv-line { fill: none; stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; }
.qv-cross { fill: none; stroke-width: 2.4; stroke-linecap: round; }
.qv-bar { opacity: 0.9; }
.qv-legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 13px; font-weight: 700; color: var(--text-2); }
.qv-legend i { display: inline-block; width: 14px; height: 4px; border-radius: 2px; margin-right: 6px; vertical-align: middle; }
.qv-table-wrap { width: 100%; overflow-x: auto; }
.qv-table { border-collapse: collapse; margin: 0 auto; min-width: 60%; font-variant-numeric: tabular-nums; }
.qv-table th, .qv-table td { border: 1.5px solid var(--axis); padding: 8px 14px; text-align: center; }
.qv-table th { background: var(--wash); font: 800 14px/1.3 var(--font-head); }
.qv-outline { fill: color-mix(in srgb, var(--accent) 10%, transparent); stroke: var(--text); stroke-width: 2.5; stroke-linejoin: round; }
.qv-measure { fill: none; stroke: var(--text-2); stroke-width: 1.8; stroke-dasharray: 5 4; }
.qv-dot { fill: var(--text); }
.qv-shape-label { fill: var(--text); font: 800 15px/1 var(--font-body); }
/* Answer box with its unit beside it, like a Sparx answer. */
.ans-unit { display: flex; align-items: center; gap: 10px; }
.ans-unit input.ans { flex: 1; max-width: 280px; text-align: center; font-weight: 700; font-variant-numeric: tabular-nums; }
.unit-tag { font: 800 18px/1 var(--font-body); color: var(--text-2); }
.qz-seg.now { background: var(--grid); box-shadow: inset 0 0 0 2px var(--marker); }
.qz-answer .options .katex { font-size: 1.3em; }

/* Testing mode buttons: obviously not part of the real app. */
.test-btn { border: 1.5px dashed #c084fc !important; color: #a855f7 !important; background: color-mix(in srgb, #a855f7 8%, var(--surface)) !important; font-weight: 800; }
.test-btn:hover { background: color-mix(in srgb, #a855f7 16%, var(--surface)) !important; }
.link-btn.test-btn { padding: 4px 10px; border-radius: 999px; margin-left: 8px; }

/* Up next, at the top of a result: one big button straight into the next task. */
.next-card { --subj: var(--accent); display: flex; align-items: center; gap: 16px; flex-wrap: wrap; padding: 18px 20px; border-radius: 22px; background: linear-gradient(135deg, color-mix(in srgb, var(--subj) 16%, var(--surface)), var(--surface) 70%); box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--subj) 45%, var(--border)), 0 5px 0 color-mix(in srgb, var(--subj) 35%, var(--border)); animation: rise 0.45s var(--spring) both; }
.next-card.none { background: var(--surface); box-shadow: inset 0 0 0 1.5px var(--border); }
.nc-text { display: grid; gap: 2px; min-width: 200px; }
.nc-kind { font-size: 12px; font-weight: 800; letter-spacing: 0.05em; text-transform: uppercase; color: var(--subj); }
.nc-text strong { font: 800 20px/1.25 var(--font-head); }
.nc-sub { color: var(--text-2); font-size: 14.5px; }
.nc-actions { display: flex; align-items: center; gap: 14px; margin-left: auto; }
.nc-go { display: inline-flex; align-items: center; gap: 10px; min-height: 54px; padding: 0 26px; border-radius: 16px; border: 0; background: var(--subj); color: #fff; font: 800 17px/1 var(--font-body); box-shadow: 0 5px 0 color-mix(in srgb, var(--subj) 55%, #000); cursor: pointer; }
.nc-go:hover { background: var(--subj); filter: brightness(1.06); transform: translateY(-1px); }
.nc-go:active:not(:disabled) { transform: translateY(4px); box-shadow: 0 1px 0 color-mix(in srgb, var(--subj) 55%, #000); }
.nc-home { font-weight: 700; color: var(--text-2); }
@media (max-width: 560px) { .nc-actions { width: 100%; } .nc-go { flex: 1; justify-content: center; } }
.rs-answers { border-radius: 18px; background: var(--surface); box-shadow: inset 0 0 0 1px var(--border); padding: 14px 18px; }
.rs-answers > summary { list-style: none; display: flex; align-items: center; gap: 12px; cursor: pointer; }
.rs-answers > summary::-webkit-details-marker { display: none; }
.rs-answers > summary .chev { margin-left: auto; transition: transform 0.2s; color: var(--muted); }
.rs-answers[open] > summary .chev { transform: rotate(180deg); }
.rw-actions { gap: 10px; }
.hp-road { position: relative; scroll-behavior: auto; }
.pn-result { text-align: center; text-decoration: none; display: block; }

/* =========================== building a quiz / mock / flashcards =========================== */
.bd { --subj: var(--accent); min-height: 100%; max-width: 640px; margin: 0 auto; padding: 48px 20px 40px; display: grid; justify-items: center; align-content: start; gap: 14px; text-align: center; }
.bd-hero { position: relative; width: 170px; height: 170px; display: grid; place-items: center; margin-bottom: 6px; }
.bd-hero .subj-badge { position: relative; z-index: 2; border-radius: 24px; box-shadow: 0 10px 0 color-mix(in srgb, var(--subj) 55%, #000), 0 20px 40px -14px var(--subj); animation: bd-bob 2.4s ease-in-out infinite; }
@keyframes bd-bob { 50% { transform: translateY(-6px) rotate(-3deg); } }
.bd-orbit { position: absolute; inset: 0; }
.bd-ring { position: absolute; inset: 0; border-radius: 50%; border: 2px solid color-mix(in srgb, var(--subj) 40%, transparent); animation: bd-pulse 2.6s ease-out infinite; }
.bd-ring.r2 { animation-delay: 0.85s; }
.bd-ring.r3 { animation-delay: 1.7s; }
@keyframes bd-pulse { from { transform: scale(0.45); opacity: 0.9; } to { transform: scale(1.15); opacity: 0; } }
.bd-sat { position: absolute; left: 50%; top: 50%; width: 12px; height: 12px; margin: -6px; border-radius: 50%; background: var(--subj); box-shadow: 0 0 12px var(--subj); animation: bd-spin 3.2s linear infinite; }
.bd-sat.s2 { animation-duration: 4.4s; animation-direction: reverse; width: 9px; height: 9px; opacity: 0.8; }
.bd-sat.s3 { animation-duration: 5.6s; width: 7px; height: 7px; opacity: 0.6; background: #f2b01e; box-shadow: 0 0 10px #f2b01e; }
@keyframes bd-spin { from { transform: rotate(0deg) translateX(78px); } to { transform: rotate(360deg) translateX(78px); } }
.bd-kicker { font-size: 13px; font-weight: 800; letter-spacing: 0.05em; text-transform: uppercase; color: var(--subj); }
.bd h1 { margin: 0; font-size: clamp(26px, 4vw, 34px); }
.bd-bar { width: 100%; height: 16px; border-radius: 999px; background: var(--grid); box-shadow: inset 0 2px 0 rgba(0, 0, 0, 0.1); overflow: hidden; }
.bd-fill { display: block; height: 100%; width: 0; border-radius: inherit; background: linear-gradient(90deg, color-mix(in srgb, var(--subj) 70%, #fff), var(--subj)); background-size: 200% 100%; box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.12), inset 0 3px 0 rgba(255, 255, 255, 0.3); transition: width 0.4s var(--ease); animation: bd-sheen 1.6s linear infinite; }
@keyframes bd-sheen { to { background-position: -200% 0; } }
.bd-pct { font: 800 14px/1 var(--font-head); color: var(--text-2); font-variant-numeric: tabular-nums; margin-top: -6px; }
.bd-steps { list-style: none; margin: 4px 0 0; padding: 0; display: grid; gap: 8px; width: 100%; text-align: left; }
.bd-step { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border-radius: 14px; background: var(--surface); box-shadow: inset 0 0 0 1px var(--border); color: var(--muted); font-weight: 700; transition: color 0.3s, box-shadow 0.3s; }
.bd-state { flex: none; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center; background: var(--grid); }
.bd-state .icon { display: none; }
.bd-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--axis); }
.bd-step.now { color: var(--text); box-shadow: inset 0 0 0 2px color-mix(in srgb, var(--subj) 50%, var(--border)); }
.bd-step.now .bd-dot { background: var(--subj); animation: qz-dot 1s infinite ease-in-out; }
.bd-step.done { color: var(--text-2); }
.bd-step.done .bd-state { background: var(--good); color: #fff; animation: rw-pop 0.35s var(--spring); }
.bd-step.done .bd-state .icon { display: block; }
.bd-step.done .bd-dot { display: none; }
.bd-ghosts { position: relative; width: 100%; height: 120px; margin-top: 6px; }
.bd-ghost { position: absolute; left: 6%; right: 6%; top: 0; padding: 14px 16px; border-radius: 16px; background: var(--surface); box-shadow: inset 0 0 0 1px var(--border), 0 4px 0 var(--border); display: grid; gap: 8px; animation: bd-deal 3.6s var(--ease) infinite; opacity: 0; }
.bd-ghost.g1 { animation-delay: 1.2s; }
.bd-ghost.g2 { animation-delay: 2.4s; }
@keyframes bd-deal { 0% { opacity: 0; transform: translateY(26px) scale(0.96); } 18%, 70% { opacity: 1; transform: none; } 100% { opacity: 0; transform: translateY(-18px) scale(0.98); } }
.bd-line { display: block; height: 10px; border-radius: 6px; background: linear-gradient(90deg, var(--grid) 0%, var(--wash) 40%, var(--grid) 80%); background-size: 200% 100%; animation: bd-sheen 1.4s linear infinite; }
.bd-line.w60 { width: 60%; } .bd-line.w90 { width: 90%; } .bd-line.w40 { width: 40%; }
.bd-opts { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.bd-opts span { height: 16px; border-radius: 8px; box-shadow: inset 0 0 0 1.5px var(--border); }
.bd-tip { display: flex; gap: 12px; align-items: flex-start; width: 100%; padding: 14px 16px; border-radius: 16px; text-align: left; background: color-mix(in srgb, #f2b01e 10%, var(--surface)); box-shadow: inset 0 0 0 1px color-mix(in srgb, #f2b01e 35%, var(--border)); }
.bd-tip.in { animation: rise 0.45s var(--ease); }
.bd-tip strong { display: block; }
.bd-tip span:not(.bd-tip-icon) { color: var(--text-2); font-size: 14px; }
.bd-tip-icon { flex: none; width: 30px; height: 30px; border-radius: 10px; display: grid; place-items: center; background: #f2b01e; color: #fff; }
.bd-leave { font-weight: 700; color: var(--text-2); font-size: 14px; }
.bd.ready .bd-hero .subj-badge { animation: rw-pop 0.5s var(--spring); }
.bd.ready h1 { color: var(--good); }

/* =========================== text stays on screen =========================== */
/* A grid column sized "auto" or "1fr" grows to fit its longest line that can't wrap, which pushes
   cards and their text past the edge of the screen (results, home and forms on a phone). These
   columns may shrink instead, and long words such as email addresses wrap. Checked on every page
   at 1440px and 390px wide. */
body { overflow-wrap: break-word; }
.home-main, .home-plan, .form, .form label, .path-focus li .grow { grid-template-columns: minmax(0, 1fr); }
.home-plan > * { min-width: 0; }
.suggest-grid { grid-template-columns: repeat(auto-fit, minmax(min(190px, 100%), 1fr)); }
@media (max-width: 640px) { .home-duo { grid-template-columns: minmax(0, 1fr); } }
.form input, .form select, .form textarea { max-width: 100%; min-width: 0; box-sizing: border-box; }
.opt-note { overflow-wrap: anywhere; }
/* School results chart: thinner bars and gaps on a phone so the last year stays inside. */
.school-bars { gap: clamp(6px, 3vw, 18px); }
.sb-year { min-width: 0; }
.sb-bar { width: clamp(14px, 5vw, 26px); }
.sb-bar em { font-size: clamp(9.5px, 2.8vw, 11px); }