/* Exam forecast: the predicted grade per subject, on Home and on each subject page.
   Rules start with :root[data-theme] so they outrank the dark rules aria-ui.js writes. */

:root[data-theme] .mf {
  --mf-good: #16a34a; --mf-mid: #d97706; --mf-low: #e5484d; --mf-none: var(--ag-fill-strong);
  --mf-ease: var(--aria-ease, cubic-bezier(0.32, 0.72, 0, 1)); --mf-spring: cubic-bezier(0.34, 1.4, 0.64, 1);
  color: var(--ag-text);
}
html[data-theme="dark"] .mf { --mf-good: #4ade80; --mf-mid: #fbbf24; --mf-low: #ff6b6b; }
:root[data-theme] .mf[hidden] { display: none !important; }
:root[data-theme] .mf * { box-sizing: border-box; }
:root[data-theme] .mf.is-good, :root[data-theme] .mf .is-good { --tone: var(--mf-good); }
:root[data-theme] .mf.is-mid, :root[data-theme] .mf .is-mid { --tone: var(--mf-mid); }
:root[data-theme] .mf.is-low, :root[data-theme] .mf .is-low { --tone: var(--mf-low); }
@property --mfp { syntax: '<number>'; inherits: true; initial-value: 0; }
:root[data-theme] .mf-eyebrow { display: block; font: 500 11px/1.2 var(--mono-code, ui-monospace, monospace); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ag-text-3); }
:root[data-theme] .mf-fine { margin: 0; font-size: 12.5px; line-height: 1.5; color: var(--ag-text-3); }
:root[data-theme] .mf-head-note { font-size: 13px; color: var(--ag-text-3); white-space: nowrap; }

/* Small pill buttons, the same size as the rest of the app */
:root[data-theme] .mf-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 34px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--ag-hairline-strong); background: var(--ag-bg); color: var(--ag-text); font: 600 13px/1 var(--ag-font); white-space: nowrap; cursor: pointer; transition: transform 0.2s var(--mf-spring), background-color 0.15s ease, border-color 0.15s ease; }
:root[data-theme] .mf-btn:hover { border-color: var(--ag-text); }
:root[data-theme] .mf-btn:active { transform: scale(0.96); }
:root[data-theme] .mf-btn.is-ink { background: var(--ag-text); border-color: var(--ag-text); color: var(--ag-bg); }
:root[data-theme] .mf-btn .material-symbols-outlined { font-size: 17px; }

/* Trend chip */
:root[data-theme] .mf-trend { display: inline-flex; align-items: center; gap: 4px; height: 26px; padding: 0 10px; border-radius: 999px; font: 600 12.5px/1 var(--ag-font); white-space: nowrap; background: var(--ag-fill); color: var(--ag-text-2); }
:root[data-theme] .mf-trend.is-up { background: color-mix(in srgb, var(--mf-good) 14%, var(--ag-bg)); color: color-mix(in srgb, var(--mf-good) 80%, var(--ag-text)); }
:root[data-theme] .mf-trend.is-down { background: color-mix(in srgb, var(--mf-low) 13%, var(--ag-bg)); color: color-mix(in srgb, var(--mf-low) 80%, var(--ag-text)); }

/* The scale: a track, the likely range and a marker at the forecast */
:root[data-theme] .mf-scale { position: relative; height: 10px; border-radius: 99px; background: var(--ag-fill); }
:root[data-theme] .mf-scale-tick { position: absolute; top: 2px; bottom: 2px; width: 2px; margin-left: -1px; border-radius: 2px; background: color-mix(in srgb, var(--ag-text) 10%, transparent); }
:root[data-theme] .mf-scale-band { position: absolute; top: 0; bottom: 0; left: calc(var(--lo) * 1%); width: calc((var(--hi) - var(--lo)) * 1%); border-radius: 99px; background: color-mix(in srgb, var(--tone, var(--ag-text)) 24%, transparent); transform-origin: left center; transition: transform 0.9s var(--mf-ease), opacity 0.6s ease; }
:root[data-theme] .mf-scale-dot { position: absolute; top: 50%; left: calc(var(--at) * 1%); width: 18px; height: 18px; margin: -9px 0 0 -9px; border-radius: 50%; background: var(--tone, var(--ag-text)); box-shadow: 0 0 0 3px var(--ag-bg), 0 4px 12px -2px color-mix(in srgb, var(--tone, #000) 60%, transparent); transition: left 1s var(--mf-ease), transform 0.5s var(--mf-spring); }
:root[data-theme] .mf.is-waiting .mf-scale-band { transform: scaleX(0); opacity: 0; }
:root[data-theme] .mf.is-waiting .mf-scale-dot { left: 0; transform: scale(0.3); }
:root[data-theme] .mf.is-waiting .mf-ring { --mfp: 0 !important; }
:root[data-theme] .mf.is-waiting .mf-gauge-tip { opacity: 0; }
:root[data-theme] .mf-gauge-tip { transition: opacity 0.4s ease 0.7s; }

/* "How is this worked out?" */
:root[data-theme] .mf-how { margin-top: 4px; font-size: 13px; color: var(--ag-text-3); }
:root[data-theme] .mf-how summary { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; list-style: none; font-weight: 600; color: var(--ag-text-2); border-radius: 8px; }
:root[data-theme] .mf-how summary::-webkit-details-marker { display: none; }
:root[data-theme] .mf-how summary::before { content: "+"; display: grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; background: var(--ag-fill-strong); font-size: 13px; line-height: 1; transition: transform 0.3s var(--mf-ease); }
:root[data-theme] .mf-how[open] summary::before { transform: rotate(45deg); }
:root[data-theme] .mf-how p { margin: 10px 0 0; line-height: 1.55; max-width: 70ch; animation: mf-rise 0.4s var(--mf-ease) both; }

/* ------------------------------------------------------------------ Home */
:root[data-theme] .mf-home-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
@media (min-width: 900px) { :root[data-theme] .mf-home-grid { grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.6fr); gap: 20px; align-items: start; } }
:root[data-theme] .mf-hero { position: relative; overflow: hidden; display: flex; flex-direction: column; gap: 6px; padding: 26px 26px 22px; border-radius: 28px; border: 1px solid var(--ag-hairline); background: radial-gradient(120% 90% at 0% 0%, color-mix(in srgb, var(--tone, var(--hue-blue)) 16%, transparent), transparent 60%), var(--ag-bg); }
@media (min-width: 900px) { :root[data-theme] .mf-hero { position: sticky; top: 90px; } }
:root[data-theme] .mf-hero-grade { margin: 6px 0 2px; font: 400 104px/0.9 var(--mono-serif, Georgia, serif); letter-spacing: -0.02em; color: var(--ag-text); }
:root[data-theme] .mf-hero-grade.is-long { font-size: 64px; line-height: 1; }
:root[data-theme] .mf-hero-detail { margin: 0; font-size: 15px; color: var(--ag-text-2); }
:root[data-theme] .mf-hero-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0 8px; }
:root[data-theme] .mf-hero .mf-fine { margin-top: 10px; }
:root[data-theme] .mf-hero-picks { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; margin: 8px 0 12px; }
:root[data-theme] .mf-pick { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 12px; min-width: 0; padding: 12px 16px 12px 12px; border-radius: 18px; border: 1px solid var(--ag-hairline); background: color-mix(in srgb, var(--ag-bg) 70%, transparent); color: var(--ag-text); text-align: left; font: inherit; cursor: pointer; transition: transform 0.25s var(--mf-ease), border-color 0.2s ease; }
:root[data-theme] .mf-pick:hover { transform: translateY(-2px); border-color: var(--ag-hairline-strong); }
:root[data-theme] .mf-pick-emoji { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 12px; font-size: 20px; background: var(--ag-fill); }
:root[data-theme] .mf-pick-text { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
:root[data-theme] .mf-pick b { font: 600 14.5px/1.3 var(--ag-font); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
:root[data-theme] .mf-pick em { font: 400 30px/1 var(--mono-serif, Georgia, serif); font-style: normal; }
:root[data-theme] .mf-pick.is-focus { border-color: color-mix(in srgb, var(--mf-mid) 40%, var(--ag-hairline)); background: color-mix(in srgb, var(--mf-mid) 8%, var(--ag-bg)); }
:root[data-theme] .mf-invite-go { display: flex; flex-wrap: wrap; gap: 8px; }

:root[data-theme] .mf-list { display: flex; flex-direction: column; gap: 12px; }
:root[data-theme] .mf-row { --subj: var(--ag-text); display: grid; grid-template-columns: auto minmax(0, 1fr) 92px; grid-template-areas: "emoji main grade" "emoji scale grade"; align-items: center; column-gap: 16px; row-gap: 0; width: 100%; padding: 18px 20px; border-radius: 24px; border: 1px solid var(--ag-hairline); background: var(--ag-bg); color: var(--ag-text); text-align: left; font: inherit; cursor: pointer; transition: transform 0.3s var(--mf-ease), border-color 0.2s ease, box-shadow 0.3s ease; }
:root[data-theme] .mf-row:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--subj) 45%, var(--ag-hairline)); box-shadow: 0 18px 40px -26px rgba(0, 0, 0, 0.35); }
:root[data-theme] .mf-row-emoji { grid-area: emoji; display: grid; place-items: center; width: 48px; height: 48px; border-radius: 16px; font-size: 24px; background: color-mix(in srgb, var(--subj) 13%, var(--ag-bg)); }
:root[data-theme] .mf-row-main { grid-area: main; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
:root[data-theme] .mf-row-name { font: 650 16px/1.25 var(--ag-font); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
:root[data-theme] .mf-row-sub { font-size: 13px; color: var(--ag-text-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
:root[data-theme] .mf-row-scale { grid-area: scale; display: block; padding-top: 12px; }
:root[data-theme] .mf-row.is-empty { grid-template-areas: "emoji main grade"; }
:root[data-theme] .mf-row .mf-scale { height: 8px; }
:root[data-theme] .mf-row .mf-scale-dot { width: 14px; height: 14px; margin: -7px 0 0 -7px; }
:root[data-theme] .mf-row-grade { grid-area: grade; display: flex; flex-direction: column; align-items: flex-end; gap: 6px; min-width: 0; }
:root[data-theme] .mf-row.is-empty .mf-row-grade { min-width: 0; }
:root[data-theme] .mf-row-grade b { font: 400 44px/0.9 var(--mono-serif, Georgia, serif); color: var(--ag-text); }
:root[data-theme] .mf-row-grade b.is-long { font-size: 22px; line-height: 1.1; }
:root[data-theme] .mf-row-grade .mf-trend { height: 22px; padding: 0 8px; font-size: 11.5px; }
:root[data-theme] .mf-row.is-empty { cursor: default; border-style: dashed; }
:root[data-theme] .mf-row.is-empty:hover { transform: none; box-shadow: none; border-color: var(--ag-hairline-strong); }
:root[data-theme] .mf-row.is-empty .mf-row-emoji { filter: grayscale(0.6); opacity: 0.75; }

:root[data-theme] .mf-invite { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 20px; padding: 26px; border-radius: 28px; border: 1px dashed var(--ag-hairline-strong); background: radial-gradient(90% 120% at 100% 0%, color-mix(in srgb, var(--hue-purple, #8b5cf6) 10%, transparent), transparent 60%), var(--ag-bg); }
:root[data-theme] .mf-invite-art { font-size: 44px; line-height: 1; }
:root[data-theme] .mf-invite h4 { margin: 0 0 4px; font: 400 30px/1.05 var(--mono-serif, Georgia, serif); }
:root[data-theme] .mf-invite p { margin: 0 0 14px; font-size: 14.5px; line-height: 1.5; color: var(--ag-text-2); max-width: 56ch; }
@media (max-width: 560px) { :root[data-theme] .mf-invite { grid-template-columns: minmax(0, 1fr); gap: 10px; padding: 22px; } }

/* --------------------------------------------------------- Subject page */
:root[data-theme] .mf-sub { display: flex; flex-direction: column; gap: 22px; margin: 4px 0 34px; padding: 28px; border-radius: 30px; border: 1px solid var(--ag-hairline); background: radial-gradient(110% 80% at 0% 0%, color-mix(in srgb, var(--tone, var(--hue-blue)) 12%, transparent), transparent 55%), var(--ag-bg); }
:root[data-theme] .mf-sub-top { display: grid; grid-template-columns: minmax(0, 1fr); gap: 22px; align-items: center; }
@media (min-width: 760px) { :root[data-theme] .mf-sub-top { grid-template-columns: 210px minmax(0, 1fr); gap: 36px; } }
:root[data-theme] .mf-sub-grade { display: flex; flex-direction: column; gap: 4px; }
:root[data-theme] .mf-big { font: 400 112px/0.88 var(--mono-serif, Georgia, serif); letter-spacing: -0.02em; margin: 8px 0 6px; }
:root[data-theme] .mf-big.is-long { font-size: 60px; line-height: 1; }
:root[data-theme] .mf-range { font-size: 15px; color: var(--ag-text-2); }
:root[data-theme] .mf-gauge { padding-top: 34px; }
:root[data-theme] .mf-gauge .mf-scale { height: 14px; }
:root[data-theme] .mf-gauge .mf-scale-dot { width: 22px; height: 22px; margin: -11px 0 0 -11px; }
:root[data-theme] .mf-gauge-tip { position: absolute; bottom: calc(100% + 12px); left: 50%; transform: translateX(-50%); padding: 4px 9px; border-radius: 9px; background: var(--ag-text); color: var(--ag-bg); font: 700 12px/1.2 var(--ag-font); white-space: nowrap; font-variant-numeric: tabular-nums; }
:root[data-theme] .mf-gauge-tip::after { content: ""; position: absolute; left: 50%; bottom: -4px; width: 8px; height: 8px; margin-left: -4px; border-radius: 2px; background: var(--ag-text); transform: rotate(45deg); z-index: -1; }
:root[data-theme] .mf-gauge-labels { position: relative; height: 20px; margin-top: 10px; }
:root[data-theme] .mf-gauge-labels span { position: absolute; transform: translateX(-50%); font: 600 11.5px/1 var(--mono-code, ui-monospace, monospace); color: var(--ag-text-3); white-space: nowrap; }
:root[data-theme] .mf-gauge-labels span.is-on { color: var(--ag-text); }
:root[data-theme] .mf-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
:root[data-theme] .mf-chip { display: inline-flex; align-items: center; gap: 6px; height: 28px; padding: 0 11px; border-radius: 999px; background: var(--ag-fill); color: var(--ag-text-2); font: 600 12.5px/1 var(--ag-font); white-space: nowrap; }
:root[data-theme] .mf-chip i { width: 7px; height: 7px; border-radius: 50%; background: var(--tone, var(--ag-text-3)); }

:root[data-theme] .mf-panel { padding: 20px; border-radius: 22px; background: color-mix(in srgb, var(--ag-fill) 70%, transparent); }
:root[data-theme] .mf-panel-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 6px 16px; margin-bottom: 14px; }
:root[data-theme] .mf-panel-head b { font: 400 26px/1.1 var(--mono-serif, Georgia, serif); }
:root[data-theme] .mf-panel-head span { font-size: 13.5px; color: var(--ag-text-2); }
:root[data-theme] .mf-lift { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; }
:root[data-theme] .mf-lift-item { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 12px; padding: 12px 12px 12px 14px; border-radius: 18px; background: var(--ag-bg); border: 1px solid var(--ag-hairline); }
:root[data-theme] .mf-lift-name { display: flex; flex-direction: column; min-width: 0; font: 600 14px/1.3 var(--ag-font); }
:root[data-theme] .mf-lift-title { overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
:root[data-theme] .mf-lift-name small { display: block; margin-top: 2px; font-weight: 500; font-size: 12px; color: var(--ag-text-3); }
:root[data-theme] .mf-ring { transition: --mfp 1.1s var(--mf-ease); position: relative; display: grid; place-items: center; width: 44px; height: 44px; border-radius: 50%; background: conic-gradient(var(--tone, var(--ag-text-3)) calc(var(--mfp) * 1%), var(--ag-fill-strong) 0); font: 700 11.5px/1 var(--ag-font); font-variant-numeric: tabular-nums; }
:root[data-theme] .mf-ring::before { content: ""; position: absolute; inset: 5px; border-radius: 50%; background: var(--ag-bg); }
:root[data-theme] .mf-ring b { position: relative; }
:root[data-theme] .mf-ring.is-new { background: none; border: 2px dashed var(--ag-hairline-strong); font-size: 10.5px; color: var(--ag-text-3); }
:root[data-theme] .mf-ring.is-new::before { display: none; }

:root[data-theme] .mf-map { display: grid; grid-template-columns: repeat(auto-fill, minmax(46px, 1fr)); gap: 8px; }
:root[data-theme] .mf-cell { position: relative; aspect-ratio: 1; min-height: 44px; border: 0; border-radius: 13px; cursor: pointer; font: 700 13px/1 var(--ag-font); font-variant-numeric: tabular-nums; color: var(--ag-text-2); background: var(--mf-none); transition: transform 0.25s var(--mf-spring), box-shadow 0.2s ease; }
:root[data-theme] .mf-cell.is-good, :root[data-theme] .mf-cell.is-mid, :root[data-theme] .mf-cell.is-low { background: color-mix(in srgb, var(--tone) calc(28% + var(--mfp, 0) * 0.5%), var(--ag-bg)); color: color-mix(in srgb, var(--tone) 70%, var(--ag-text)); }
:root[data-theme] .mf-cell.is-studied { background: var(--ag-bg); box-shadow: inset 0 0 0 2px var(--ag-hairline-strong); }
:root[data-theme] .mf-sub:not(.is-waiting) .mf-cell { animation: mf-pop 0.45s var(--mf-spring) both; animation-delay: calc(var(--i, 0) * 22ms + 0.15s); }
@keyframes mf-pop { from { opacity: 0; transform: scale(0.6); } }
:root[data-theme] .mf-cell:hover, :root[data-theme] .mf-cell:focus-visible { transform: translateY(-2px) scale(1.06); box-shadow: 0 10px 22px -12px rgba(0, 0, 0, 0.45); z-index: 1; }
:root[data-theme] .mf-legend { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 14px; font-size: 12.5px; color: var(--ag-text-3); }
:root[data-theme] .mf-legend span { display: inline-flex; align-items: center; gap: 6px; }
:root[data-theme] .mf-legend i { width: 12px; height: 12px; border-radius: 4px; background: var(--mf-none); }
:root[data-theme] .mf-legend .is-good i, :root[data-theme] .mf-legend .is-mid i, :root[data-theme] .mf-legend .is-low i { background: color-mix(in srgb, var(--tone) 55%, var(--ag-bg)); }
:root[data-theme] .mf-legend .is-studied i { background: var(--ag-bg); box-shadow: inset 0 0 0 2px var(--ag-hairline-strong); }

:root[data-theme] .mf-sub.is-invite { flex-direction: row; align-items: center; gap: 20px; padding: 24px 26px; border-style: dashed; background: var(--ag-bg); }
:root[data-theme] .mf-sub.is-invite h3 { margin: 0 0 4px; font: 400 28px/1.05 var(--mono-serif, Georgia, serif); }
:root[data-theme] .mf-sub.is-invite p { margin: 0 0 14px; font-size: 14.5px; line-height: 1.5; color: var(--ag-text-2); max-width: 60ch; }
@media (max-width: 560px) {
  :root[data-theme] .mf-gauge-labels span.is-minor { display: none; }
  :root[data-theme] .mf-hero { padding: 22px 20px 18px; }
  :root[data-theme] .mf-hero-grade { font-size: 88px; }
  :root[data-theme] .mf-sub { padding: 22px 18px; border-radius: 26px; gap: 18px; }
  :root[data-theme] .mf-sub.is-invite { flex-direction: column; align-items: flex-start; }
  :root[data-theme] .mf-big { font-size: 96px; }
  :root[data-theme] .mf-row { grid-template-columns: auto minmax(0, 1fr) auto; grid-template-areas: "emoji main grade" "scale scale scale"; column-gap: 12px; padding: 16px; }
  :root[data-theme] .mf-row-sub { white-space: normal; }
  :root[data-theme] .mf-row-scale { padding-top: 14px; }
  :root[data-theme] .mf-row-grade { flex-direction: row-reverse; align-items: center; gap: 8px; }
  :root[data-theme] .mf-row-emoji { width: 42px; height: 42px; font-size: 21px; border-radius: 14px; }
  :root[data-theme] .mf-row-grade b { font-size: 38px; }
  :root[data-theme] .mf-panel { padding: 16px; }
  :root[data-theme] .mf-lift { grid-template-columns: minmax(0, 1fr); }
}

/* Unit mastery pill on the unit cards of a subject page */
:root[data-theme] .mf-pill { display: inline-flex; align-items: center; gap: 5px; height: 22px; padding: 0 9px; border-radius: 999px; font: 700 11.5px/1 var(--ag-font); font-variant-numeric: tabular-nums; background: color-mix(in srgb, var(--tone) 14%, var(--ag-bg)); color: color-mix(in srgb, var(--tone) 78%, var(--ag-text)); white-space: nowrap; }
:root[data-theme] .mf-pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--tone); }

/* After a quiz: how the forecast moved */
:root[data-theme] .mf-after { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin-top: 14px; padding: 14px 16px; border-radius: 18px; background: color-mix(in srgb, var(--tone, var(--hue-blue)) 10%, var(--ag-bg)); border: 1px solid color-mix(in srgb, var(--tone, var(--hue-blue)) 26%, var(--ag-hairline)); animation: mf-rise 0.6s var(--mf-ease) both; }
:root[data-theme] .mf-after-text { flex: 1; min-width: 200px; font-size: 14px; line-height: 1.45; color: var(--ag-text-2); }
:root[data-theme] .mf-after-text b { color: var(--ag-text); }
:root[data-theme] .mf-after-grades { display: inline-flex; align-items: baseline; gap: 8px; font: 400 30px/1 var(--mono-serif, Georgia, serif); color: var(--ag-text); }
:root[data-theme] .mf-after-grades s { text-decoration: none; opacity: 0.45; }
:root[data-theme] .mf-after-grades em { font-style: normal; font-size: 18px; opacity: 0.6; }

:root[data-theme] .mf .mf-in { animation: mf-rise 0.6s var(--mf-ease) both; animation-delay: calc(var(--i, 0) * 60ms); }
@keyframes mf-rise { from { opacity: 0; transform: translate3d(0, 10px, 0); } }
:root[data-theme] .mf-skel { border-radius: 24px; background: linear-gradient(90deg, var(--ag-fill) 0%, var(--ag-fill-strong) 50%, var(--ag-fill) 100%); background-size: 200% 100%; animation: mf-shimmer 1.4s ease-in-out infinite; }
@keyframes mf-shimmer { to { background-position: -200% 0; } }
@media (prefers-reduced-motion: reduce) {
  :root[data-theme] .mf *, :root[data-theme] .mf-after { animation: none !important; transition: none !important; }
}