:root {
  --bg-0: #e8edf2;
  --bg-1: #dde5ec;
  --fg: #14181d;
  --muted: #5a6470;
  --accent: #1b7d8a;
  --hairline: rgba(20, 24, 29, 0.12);
  --panel-bg: rgba(255, 255, 255, 0.5);
  --panel-brd: rgba(255, 255, 255, 0.6);
  --rim: rgba(255, 255, 255, 0.75);
  --glow: rgba(255, 255, 255, 0.14);
  --bloom-a: rgba(24, 125, 145, 0.22);
  --bloom-b: rgba(206, 176, 122, 0.16);
  --bloom-c: rgba(70, 120, 200, 0.18);
  --lg-tint-rgb: 255, 255, 255;
  --lg-tint-opacity: 0.06;
  --lg-shadow-blur: 20px;
  --lg-shadow-spread: -5px;
  --lg-shadow-color: rgba(255, 255, 255, 0.45);
  --lg-outer-shadow-blur: 24px;
  --lg-outer-shadow: rgba(0, 0, 0, 0.18);
  --lg-fallback-tint: 0.2;
  --lg-fallback-shine: rgba(255, 255, 255, 0.5);
  --apple: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", "Segoe UI", system-ui, sans-serif;
  --display: var(--apple);
  --body: var(--apple);
  --rounded: ui-rounded, "SF Pro Rounded", var(--apple);
  --text-body: 17px;
  --text-headline: 17px;
  --text-subhead: 15px;
  --text-footnote: 13px;
  --text-caption: 12px;
  --text-caption2: 11px;
  --text-title3: 20px;
  --text-title2: 22px;
  --text-title: 28px;
  --text-large-title: 34px;
  --lh-body: 1.294;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --pointer-x: 50%;
  --pointer-y: 30%;
  --pointer-glow-strength: 0.75;
  --corner-pad: clamp(1rem, 2.5vw, 1.6rem);
  --corner-orb: 120px;
  --corner-orb-gap: 0.75rem;
  --google-size: 270px;
}

@property --lg-read-blur {
  syntax: "<length>";
  inherits: true;
  initial-value: 0px;
}
@property --lg-panel-blur {
  syntax: "<length>";
  inherits: true;
  initial-value: 0px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-resolved-theme="light"]) {
    --bg-0: #0b0e11;
    --bg-1: #0f141a;
    --fg: #e9eef2;
    --muted: #98a2ad;
    --accent: #71c4c2;
    --hairline: rgba(233, 238, 242, 0.12);
    --panel-bg: rgba(26, 31, 37, 0.45);
    --panel-brd: rgba(255, 255, 255, 0.1);
    --rim: rgba(255, 255, 255, 0.16);
    --glow: rgba(200, 214, 224, 0.05);
    --bloom-a: rgba(58, 150, 152, 0.2);
    --bloom-b: rgba(150, 120, 70, 0.15);
    --bloom-c: rgba(66, 104, 168, 0.17);
    --lg-tint-rgb: 18, 24, 22;
    --lg-tint-opacity: 0.28;
    --lg-shadow-blur: 22px;
    --lg-shadow-spread: -4px;
    --lg-shadow-color: rgba(255, 255, 255, 0.28);
    --lg-outer-shadow-blur: 28px;
    --lg-outer-shadow: rgba(0, 0, 0, 0.5);
    --lg-fallback-tint: 0.14;
    --lg-fallback-shine: rgba(255, 255, 255, 0.3);
  }
}

html[data-resolved-theme="dark"] {
  --bg-0: #0b0e11;
  --bg-1: #0f141a;
  --fg: #e9eef2;
  --muted: #98a2ad;
  --accent: #71c4c2;
  --hairline: rgba(233, 238, 242, 0.12);
  --panel-bg: rgba(26, 31, 37, 0.45);
  --panel-brd: rgba(255, 255, 255, 0.1);
  --rim: rgba(255, 255, 255, 0.16);
  --glow: rgba(200, 214, 224, 0.05);
  --bloom-a: rgba(58, 150, 152, 0.2);
  --bloom-b: rgba(150, 120, 70, 0.15);
  --bloom-c: rgba(66, 104, 168, 0.17);
  --lg-tint-rgb: 18, 24, 22;
  --lg-tint-opacity: 0.28;
  --lg-shadow-blur: 22px;
  --lg-shadow-spread: -4px;
  --lg-shadow-color: rgba(255, 255, 255, 0.28);
  --lg-outer-shadow-blur: 28px;
  --lg-outer-shadow: rgba(0, 0, 0, 0.5);
  --lg-fallback-tint: 0.14;
  --lg-fallback-shine: rgba(255, 255, 255, 0.3);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--apple);
  font-size: var(--text-body);
  color: var(--fg);
  background:
    radial-gradient(ellipse 80% 50% at 15% 10%, var(--bloom-a), transparent 55%),
    radial-gradient(ellipse 70% 45% at 85% 0%, var(--bloom-b), transparent 50%),
    radial-gradient(ellipse 60% 40% at 50% 100%, var(--bloom-c), transparent 55%),
    linear-gradient(165deg, var(--bg-0), var(--bg-1));
  background-attachment: fixed;
  line-height: var(--lh-body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  isolation: isolate;
}

/* Soft pointer glow that follows the cursor */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: var(--pointer-glow-strength);
  background: radial-gradient(24rem 24rem at var(--pointer-x) var(--pointer-y), var(--glow), transparent 60%);
  transition: opacity 0.4s var(--ease);
}

html.lg-chrome {
  --pointer-x: 50vw;
  --pointer-y: 30vh;
}

html.lg-chrome body::after {
  inset: auto;
  width: 48rem;
  height: 48rem;
  left: 0;
  top: 0;
  margin-left: -24rem;
  margin-top: -24rem;
  background: radial-gradient(24rem 24rem at 50% 50%, var(--glow), transparent 60%);
  transform: translate3d(var(--pointer-x), var(--pointer-y), 0);
  will-change: transform;
}

@media (prefers-reduced-motion: reduce) {
  body::after {
    display: none;
  }
}

/* Chromium desktop only — Safari / mobile keep the original body paint path. */
html.lg-chrome body {
  background: var(--bg-1);
  isolation: isolate;
}

html.lg-chrome #lg-chrome-wash {
  background:
    radial-gradient(ellipse 80% 50% at 15% 10%, var(--bloom-a), transparent 55%),
    radial-gradient(ellipse 70% 45% at 85% 0%, var(--bloom-b), transparent 50%),
    radial-gradient(ellipse 60% 40% at 50% 100%, var(--bloom-c), transparent 55%),
    linear-gradient(165deg, var(--bg-0), var(--bg-1));
}

html.lg-chrome .corner {
  will-change: auto;
}

html.lg-chrome .corner:hover,
html.lg-chrome .corner.is-dragging {
  will-change: transform;
}

html.lg-chrome .edu-vote {
  will-change: auto;
}

html.lg-chrome .edu-row {
  content-visibility: auto;
  contain-intrinsic-size: auto 2.85rem;
}

html.lg-chrome .edu-file-tile {
  content-visibility: auto;
  contain-intrinsic-size: auto 5.5rem;
}

html.lg-chrome .edu-panel.lg-static,
html.lg-chrome .edu-file-tile.lg-static,
html.lg-chrome .yan-chat-widget.lg-static,
html.lg-chrome .yan-chat-map-ios.lg-static,
html.lg-chrome .yan-chat-bubble.lg-static {
  transition: transform 0.3s var(--ease);
}

html.lg-chrome .edu-panel.lg-static:hover,
html.lg-chrome .edu-file-tile.lg-static:hover,
html.lg-chrome .yan-chat-widget.lg-static:hover,
html.lg-chrome .yan-chat-map-ios.lg-static:hover,
html.lg-chrome .yan-chat-bubble.lg-static:hover {
  will-change: transform;
}

html.lg-chrome .edu-panel.lg-static.lg-refraction::after,
html.lg-chrome .edu-file-tile.lg-static.lg-refraction::after,
html.lg-chrome .yan-chat-widget.lg-static.lg-refraction::after,
html.lg-chrome .yan-chat-map-ios.lg-static.lg-refraction::after,
html.lg-chrome .yan-chat-bubble.lg-static.lg-refraction::after,
html.lg-chrome[data-resolved-theme="dark"] .edu-panel.lg-static.lg-refraction::after,
html.lg-chrome[data-resolved-theme="dark"] .edu-file-tile.lg-static.lg-refraction::after,
html.lg-chrome[data-resolved-theme="dark"] .yan-chat-widget.lg-static.lg-refraction::after,
html.lg-chrome[data-resolved-theme="dark"] .yan-chat-map-ios.lg-static.lg-refraction::after,
html.lg-chrome[data-resolved-theme="dark"] .yan-chat-bubble.lg-static.lg-refraction::after {
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  isolation: auto;
  background: var(--lg-spec) center / 100% 100% no-repeat;
  mix-blend-mode: screen;
  opacity: var(--lg-spec-opacity, 0.5);
}

@media (prefers-color-scheme: dark) {
  html.lg-chrome:not([data-resolved-theme="light"]) .edu-panel.lg-static.lg-refraction::after,
  html.lg-chrome:not([data-resolved-theme="light"]) .edu-file-tile.lg-static.lg-refraction::after,
  html.lg-chrome:not([data-resolved-theme="light"]) .yan-chat-widget.lg-static.lg-refraction::after,
  html.lg-chrome:not([data-resolved-theme="light"]) .yan-chat-map-ios.lg-static.lg-refraction::after,
  html.lg-chrome:not([data-resolved-theme="light"]) .yan-chat-bubble.lg-static.lg-refraction::after {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
}

html.lg-chrome .yan-chat-bubble.lg-static.lg-refraction::after,
html.lg-chrome[data-resolved-theme="dark"] .yan-chat-bubble.lg-static.lg-refraction::after,
html.lg-chrome:not([data-resolved-theme="light"]) .yan-chat-bubble.lg-static.lg-refraction::after {
  background: rgba(255, 255, 255, 0.72);
  mix-blend-mode: normal;
  opacity: 1;
  -webkit-mask-image: var(--lg-spec);
  mask-image: var(--lg-spec);
  -webkit-mask-size: 100% 100%;
  mask-size: 100% 100%;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ---- Home liquid-glass squircle (matches main site .c-tl) ---- */
.corner {
  position: fixed;
  z-index: 80;
  --lg-filter: none;
  isolation: isolate;
  display: grid;
  place-items: center;
  color: var(--fg);
  box-shadow: 0 6px var(--lg-outer-shadow-blur) var(--lg-outer-shadow);
  transition: transform 0.3s var(--ease), box-shadow 0.4s var(--ease);
  will-change: transform;
}

.corner::before,
.yan-chat-close::before,
.yan-chat-send::before,
.edu-panel::before,
.edu-file-tile::before,
.yan-chat-widget::before,
.yan-chat-map-ios::before,
.yan-chat-bubble::before,
.edu-filter::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
  box-shadow: inset 0 0 var(--lg-shadow-blur) var(--lg-shadow-spread) var(--lg-shadow-color);
  background-color: rgba(var(--lg-tint-rgb), var(--lg-tint-opacity));
  pointer-events: none;
}

.corner.lg-refraction::after,
.yan-chat-close.lg-refraction::after,
.yan-chat-send.lg-refraction::after,
.edu-panel.lg-refraction::after,
.edu-file-tile.lg-refraction::after,
.yan-chat-widget.lg-refraction::after,
.yan-chat-map-ios.lg-refraction::after,
.yan-chat-bubble.lg-refraction::after,
.edu-filter.lg-refraction::after,
.edu-check.lg-refraction::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: inherit;
  backdrop-filter: var(--lg-filter);
  -webkit-backdrop-filter: var(--lg-filter);
  isolation: isolate;
  pointer-events: none;
}

.corner.lg-fallback,
.yan-chat-close.lg-fallback,
.yan-chat-send.lg-fallback,
.edu-panel.lg-fallback,
.edu-file-tile.lg-fallback,
.yan-chat-widget.lg-fallback,
.yan-chat-bubble.lg-fallback,
.edu-filter.lg-fallback,
.edu-check.lg-fallback {
  background-color: rgba(var(--lg-tint-rgb), var(--lg-fallback-tint));
  backdrop-filter: blur(10px) saturate(1.5);
  -webkit-backdrop-filter: blur(10px) saturate(1.5);
}

@media (prefers-color-scheme: dark) {
  html:not([data-resolved-theme="light"]) .corner.lg-refraction::after,
  html:not([data-resolved-theme="light"]) .yan-chat-close.lg-refraction::after,
  html:not([data-resolved-theme="light"]) .yan-chat-send.lg-refraction::after,
  html:not([data-resolved-theme="light"]) .edu-panel.lg-refraction::after,
  html:not([data-resolved-theme="light"]) .edu-file-tile.lg-refraction::after,
  html:not([data-resolved-theme="light"]) .yan-chat-widget.lg-refraction::after,
  html:not([data-resolved-theme="light"]) .yan-chat-bubble.lg-refraction::after,
  html:not([data-resolved-theme="light"]) .edu-filter.lg-refraction::after,
  html:not([data-resolved-theme="light"]) .edu-check.lg-refraction::after {
    backdrop-filter: var(--lg-filter) brightness(0.92) saturate(1.15);
    -webkit-backdrop-filter: var(--lg-filter) brightness(0.92) saturate(1.15);
  }
}

html[data-resolved-theme="dark"] .corner.lg-refraction::after,
html[data-resolved-theme="dark"] .yan-chat-close.lg-refraction::after,
html[data-resolved-theme="dark"] .yan-chat-send.lg-refraction::after,
html[data-resolved-theme="dark"] .edu-panel.lg-refraction::after,
html[data-resolved-theme="dark"] .edu-file-tile.lg-refraction::after,
html[data-resolved-theme="dark"] .yan-chat-widget.lg-refraction::after,
html[data-resolved-theme="dark"] .yan-chat-bubble.lg-refraction::after,
html[data-resolved-theme="dark"] .edu-filter.lg-refraction::after,
html[data-resolved-theme="dark"] .edu-check.lg-refraction::after {
  backdrop-filter: var(--lg-filter) brightness(0.92) saturate(1.15);
  -webkit-backdrop-filter: var(--lg-filter) brightness(0.92) saturate(1.15);
}

.corner svg,
.yan-chat-close svg,
.yan-chat-send svg {
  position: relative;
  z-index: 2;
  width: 52%;
  height: 52%;
}

.corner.squircle {
  border-radius: var(--lg-radius, 21px);
}

.corner.circle {
  border-radius: 50%;
}

.c-tl {
  top: var(--corner-pad);
  left: var(--corner-pad);
  width: var(--corner-orb);
  height: var(--corner-orb);
}

.c-tr {
  /* Empty theme orb: above every page element (no chat on this site) */
  z-index: 100;
  top: var(--corner-pad);
  right: var(--corner-pad);
  width: var(--corner-orb);
  height: var(--corner-orb);
  cursor: grab;
  touch-action: none;
  user-select: none;
  -webkit-user-drag: none;
  border: none;
  padding: 0;
  margin: 0;
  background: transparent;
  font: inherit;
  color: inherit;
  appearance: none;
  -webkit-appearance: none;
  transition:
    transform 0.55s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.4s var(--ease);
}

/* Canvas link orb — same scale as theme orb; bottom aligns with title text in detail header */
.edu-canvas-slot {
  display: flex;
  flex-shrink: 0;
  justify-content: flex-end;
  margin: 0;
  align-self: flex-end;
}

.edu-canvas-orb {
  position: relative;
  top: auto;
  right: auto;
  left: auto;
  bottom: auto;
  z-index: 5;
  width: var(--corner-orb);
  height: var(--corner-orb);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  user-select: none;
  transition:
    transform 0.55s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.4s var(--ease);
}

.edu-canvas-orb svg {
  width: 52%;
  height: 52%;
}

.c-tr.is-dragging {
  transition: none;
  cursor: grabbing;
}

.c-tr:active {
  cursor: grabbing;
}

/* Google sign-in: 150% of prior size (not fixed — sits in centered stage) */
.corner.google-orb {
  position: relative;
  top: auto;
  left: auto;
  right: auto;
  bottom: auto;
  width: var(--google-size);
  height: var(--google-size);
  cursor: pointer;
}

.google-orb svg {
  width: 46%;
  height: 46%;
}

@media (max-width: 900px) {
  :root {
    --corner-orb: 96px;
    --google-size: 216px;
  }
}

@media (max-width: 560px) {
  :root {
    --corner-orb: 80px;
    --google-size: 180px;
  }
}

.stage {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: var(--corner-pad);
}

.stage[hidden] {
  display: none !important;
}

.denied-msg {
  margin: 0;
  font-family: var(--display);
  font-size: var(--text-large-title);
  font-weight: 700;
  line-height: 1.21;
  color: var(--fg);
  text-align: center;
  max-width: 16ch;
}

.full-placeholder {
  margin: 0;
  font-family: var(--display);
  font-size: var(--text-title2);
  font-weight: 700;
  color: var(--fg);
  text-align: center;
}

.stage-loading {
  color: var(--muted);
  font-size: var(--text-subhead);
}

/* ---- Education app shell (electives-inspired panel grid) ---- */
.stage-full {
  display: block;
  place-items: unset;
  align-items: stretch;
  padding: 0;
  min-height: 100vh;
}

.edu-app {
  width: min(56rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(7.5rem, 14vh, 9rem) 0 8rem;
}

.edu-hero {
  margin-bottom: 1.25rem;
}

.edu-hero--detail {
  margin-bottom: 0.85rem;
}

.edu-hero--detail-canvas {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}

.edu-hero-lead {
  min-width: 0;
  flex: 1;
}

.edu-app:not(.is-settled) .edu-hero {
  animation: edu-rise 0.7s var(--ease) backwards;
}

.edu-hero-title {
  font-family: var(--display);
  font-size: var(--text-large-title);
  font-weight: 700;
  margin: 0;
  line-height: 1.21;
}

.edu-hero-title--class {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  flex-wrap: wrap;
}

.edu-hero-class-name {
  min-width: 0;
}

.edu-hero-sub {
  margin: 0.45rem 0 0;
  font-size: var(--text-subhead);
  font-weight: 400;
  color: var(--muted);
}

/* Back control: filled frosted triangle matching .corner glass (tint + blur +
   soft perimeter glow + same outer shadow). No liquid-glass.js refraction —
   rect specular only lit the vertical base after clip. */
.edu-back {
  --edu-back-clip: path(
    "M 18.13 25.56 L 45.69 9.65 Q 59.19 1.85 59.19 17.44 L 59.19 49.26 Q 59.19 64.85 45.69 57.06 L 18.13 41.15 Q 4.63 33.35 18.13 25.56 Z"
  );
  display: inline-grid;
  place-items: center;
  width: 63px;
  height: 68px;
  margin: 0 0 0.85rem;
  padding: 0;
  border: 0;
  background: transparent;
  color: transparent;
  font: inherit;
  text-decoration: none;
  cursor: pointer;
  position: relative;
  transition: transform 0.25s var(--ease);
}

.edu-back-shadow {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
  color: var(--lg-outer-shadow);
}

.edu-back-glass {
  grid-area: 1 / 1;
  display: block;
  width: 100%;
  height: 100%;
  isolation: isolate;
  position: relative;
  z-index: 1;
  clip-path: var(--edu-back-clip);
  -webkit-clip-path: var(--edu-back-clip);
  background-color: rgba(255, 255, 255, 0.32);
  backdrop-filter: blur(14px) saturate(1.55);
  -webkit-backdrop-filter: blur(14px) saturate(1.55);
}

/* Top-left sheen like .corner orbs (light from upper-left), not a right-edge stroke. */
.edu-back-glass::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(
      145deg,
      rgba(255, 255, 255, 0.42) 0%,
      rgba(255, 255, 255, 0.12) 28%,
      transparent 52%
    ),
    linear-gradient(
      to bottom right,
      rgba(255, 255, 255, 0.18),
      transparent 40%
    );
}

@media (prefers-color-scheme: dark) {
  html:not([data-resolved-theme="light"]) .edu-back-glass {
    background-color: rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(14px) saturate(1.55);
    -webkit-backdrop-filter: blur(14px) saturate(1.55);
  }

  html:not([data-resolved-theme="light"]) .edu-back-glass::before {
    background:
      linear-gradient(
        145deg,
        rgba(255, 255, 255, 0.28) 0%,
        rgba(255, 255, 255, 0.08) 30%,
        transparent 55%
      ),
      linear-gradient(
        to bottom right,
        rgba(255, 255, 255, 0.12),
        transparent 42%
      );
  }

  html:not([data-resolved-theme="light"]) .edu-back-shadow feGaussianBlur {
    stdDeviation: 14;
  }
}

html[data-resolved-theme="dark"] .edu-back-glass {
  background-color: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(14px) saturate(1.55);
  -webkit-backdrop-filter: blur(14px) saturate(1.55);
}

html[data-resolved-theme="dark"] .edu-back-glass::before {
  background:
    linear-gradient(
      145deg,
      rgba(255, 255, 255, 0.28) 0%,
      rgba(255, 255, 255, 0.08) 30%,
      transparent 55%
    ),
    linear-gradient(
      to bottom right,
      rgba(255, 255, 255, 0.12),
      transparent 42%
    );
}

html[data-resolved-theme="light"] .edu-back-glass {
  background-color: rgba(255, 255, 255, 0.32);
  backdrop-filter: blur(14px) saturate(1.55);
  -webkit-backdrop-filter: blur(14px) saturate(1.55);
}

html[data-resolved-theme="dark"] .edu-back-shadow feGaussianBlur {
  stdDeviation: 14;
}

.edu-back:hover {
  transform: translateX(-2px) scale(1.05);
}

.edu-back:active {
  transform: translateX(-1px) scale(0.98);
}

.edu-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  align-items: start;
}

.edu-grid--home {
  align-items: start;
}

.edu-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-width: 0;
}

.edu-grid--detail {
  grid-template-columns: 1fr;
}

.edu-panel {
  position: relative;
  isolation: isolate;
  --lg-filter: none;
  border: 0;
  border-radius: 22px;
  background: transparent;
  padding: 1.15rem 1.2rem 1rem;
  min-height: 8rem;
  box-shadow: 0 6px var(--lg-outer-shadow-blur) var(--lg-outer-shadow);
}

.edu-panel--completed {
  opacity: 0.48;
}

.edu-files {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
  min-width: 0;
}

.edu-files--pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.edu-file-tile {
  position: relative;
  isolation: isolate;
  --lg-filter: none;
  display: block;
  width: 100%;
  margin: 0;
  padding: 0.85rem 1.05rem;
  border: 0;
  border-radius: 22px;
  background: transparent;
  box-shadow: 0 6px var(--lg-outer-shadow-blur) var(--lg-outer-shadow);
  text-align: left;
  cursor: pointer;
  color: var(--fg);
  font: inherit;
  text-decoration: none;
  min-height: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

.edu-file-tile > * {
  position: relative;
  z-index: 2;
}

.edu-file-tile.lg-fallback {
  backdrop-filter: blur(12px) saturate(1.5);
  -webkit-backdrop-filter: blur(12px) saturate(1.5);
}

.edu-file-name {
  display: block;
  font-family: var(--display);
  font-size: var(--text-body);
  font-weight: 600;
  line-height: var(--lh-body);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.edu-app:not(.is-settled) .edu-file-tile {
  animation: edu-rise 0.65s var(--ease) backwards;
}

.edu-app:not(.is-settled) .edu-panel {
  animation: edu-rise 0.65s var(--ease) backwards;
}

.edu-app:not(.is-settled) .edu-col--main .edu-panel:nth-child(1) { animation-delay: 0.04s; }
.edu-app:not(.is-settled) .edu-col--main .edu-panel:nth-child(2) { animation-delay: 0.1s; }
.edu-app:not(.is-settled) .edu-col--side .edu-panel:nth-child(1) { animation-delay: 0.06s; }
.edu-app:not(.is-settled) .edu-col--side .edu-panel:nth-child(2) { animation-delay: 0.12s; }
.edu-app:not(.is-settled) .edu-col--side .edu-panel:nth-child(3) { animation-delay: 0.18s; }
.edu-app:not(.is-settled) .edu-col--side .edu-panel:nth-child(4) { animation-delay: 0.24s; }

.edu-panel > * {
  position: relative;
  z-index: 2;
}

.edu-panel.lg-fallback {
  backdrop-filter: blur(12px) saturate(1.5);
  -webkit-backdrop-filter: blur(12px) saturate(1.5);
}

.edu-panel-head {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.7rem;
  min-height: 2.15rem;
}

.edu-panel-title {
  margin: 0;
  padding: 0;
  font-family: var(--display);
  font-size: var(--text-title3);
  font-weight: 700;
  color: var(--fg);
  flex: 0 1 auto;
  min-width: 0;
}

.edu-dates-toggle {
  display: inline;
  margin: 0;
  padding: 0;
  border: 0;
  background: transparent;
  font: inherit;
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  letter-spacing: inherit;
  color: inherit;
  line-height: inherit;
  cursor: pointer;
  text-align: left;
}

.edu-dates-toggle:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--accent) 65%, transparent);
  outline-offset: 3px;
  border-radius: 4px;
}

.edu-filter-cap {
  display: block;
  width: 0.82rem;
  height: 0.82rem;
}

.edu-day-type {
  color: var(--accent);
  font-size: inherit;
  font-weight: inherit;
  letter-spacing: inherit;
  margin-right: 0.55em;
}

.edu-filters {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  margin-left: auto;
  padding: 0;
  border: 0;
  box-shadow: none;
  background: transparent;
}

.edu-filter {
  --lg-filter: none;
  position: relative;
  z-index: 2;
  display: grid;
  place-items: center;
  flex: 0 0 2.05rem;
  width: 2.05rem;
  height: 2.05rem;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 50%;
  isolation: isolate;
  background: transparent;
  color: var(--muted);
  font-size: var(--text-caption2);
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  user-select: none;
  box-shadow: 0 2px var(--lg-outer-shadow-blur) var(--lg-outer-shadow);
  transition:
    color 0.2s var(--ease),
    box-shadow 0.2s var(--ease),
    filter 0.2s var(--ease);
}

.edu-filter input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 0;
  height: 0;
}

.edu-filter span {
  position: relative;
  z-index: 2;
}

.edu-filter.is-on {
  color: #fff;
  --lg-tint-rgb: 27, 125, 138;
  --lg-tint-opacity: 0.72;
  box-shadow:
    0 2px var(--lg-outer-shadow-blur) var(--lg-outer-shadow),
    0 0 0 1.5px color-mix(in srgb, var(--accent) 55%, transparent);
}

@media (prefers-color-scheme: dark) {
  html:not([data-resolved-theme="light"]) .edu-filter.is-on {
    --lg-tint-rgb: 113, 196, 194;
    --lg-tint-opacity: 0.55;
  }
}

html[data-resolved-theme="dark"] .edu-filter.is-on {
  --lg-tint-rgb: 113, 196, 194;
  --lg-tint-opacity: 0.55;
}

html[data-resolved-theme="light"] .edu-filter.is-on {
  --lg-tint-rgb: 27, 125, 138;
  --lg-tint-opacity: 0.72;
}

.edu-filter:not(.is-on):hover {
  color: var(--fg);
  filter: brightness(1.06);
}

.edu-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.edu-day-sep {
  flex: 0 0 auto;
  height: 1px;
  margin: 0.42rem 0.65rem;
  padding: 0;
  border: 0;
  background: var(--hairline);
  pointer-events: none;
  list-style: none;
}

.edu-row {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.55rem 0.65rem;
  border-radius: 10px;
  transition: background 0.2s var(--ease);
}

.edu-row.edu-todo {
  align-items: center;
}

.edu-row:hover {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.edu-row-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.65rem;
}

.edu-row-link {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.65rem;
  min-width: 0;
}

.edu-name {
  font-weight: 600;
}

.edu-meta,
.edu-tag {
  font-size: var(--text-caption);
  color: var(--muted);
}

.edu-tag {
  font-weight: 700;
  color: var(--accent);
}

.edu-period {
  font-size: var(--text-caption);
  font-weight: 700;
  line-height: 1;
}

.edu-hero-title--class .edu-period--hero {
  font-size: 1em;
  font-family: inherit;
  font-weight: 700;
  line-height: 1;
  flex: 0 0 auto;
}

.edu-todo.is-done .edu-name {
  opacity: 0.55;
  text-decoration: line-through;
  text-decoration-thickness: 1px;
}

.edu-class-row.is-current {
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.edu-class-row.is-current .edu-name {
  font-weight: 600;
}

.edu-class-row.is-current .edu-meta {
  color: color-mix(in srgb, var(--accent) 75%, var(--muted));
}

/* Liquid-glass circle checkbox */
.edu-check {
  --lg-filter: none;
  flex: 0 0 1.25rem;
  width: 1.25rem;
  height: 1.25rem;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  isolation: isolate;
  position: relative;
  background: transparent;
  box-shadow: 0 3px var(--lg-outer-shadow-blur) var(--lg-outer-shadow);
  appearance: none;
  -webkit-appearance: none;
}

.edu-check::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
  box-shadow: inset 0 0 var(--lg-shadow-blur) var(--lg-shadow-spread) var(--lg-shadow-color);
  background-color: rgba(var(--lg-tint-rgb), var(--lg-tint-opacity));
  pointer-events: none;
}

.edu-check-dot {
  position: absolute;
  inset: 28%;
  z-index: 2;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0;
  transform: scale(0.6);
  pointer-events: none;
  transition: opacity 0.15s var(--ease), transform 0.15s var(--ease);
}

.edu-check.is-checked .edu-check-dot {
  opacity: 1;
  transform: scale(1);
}

.edu-empty {
  margin: 0;
  padding: 0.45rem 0.65rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.edu-detail-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 0.75rem;
}

.edu-detail-row .edu-check {
  margin: 0;
}

.edu-detail-status {
  font-weight: 600;
  line-height: 1;
}

.edu-detail-meta {
  margin: 0 0 0.45rem;
  color: var(--muted);
  font-size: var(--text-subhead);
}

.edu-detail-desc {
  margin: 0.85rem 0 0;
  font-size: var(--text-body);
  line-height: var(--lh-body);
  white-space: pre-wrap;
  word-break: break-word;
}

.edu-detail-desc.md-body {
  white-space: normal;
}

.edu-panel--desc {
  min-height: 0;
  margin: 0 0 1rem;
}

.md-body {
  word-break: break-word;
}
.md-body > :first-child {
  margin-top: 0;
}
.md-body > :last-child {
  margin-bottom: 0;
}
.md-body p {
  margin: 0 0 0.55em;
}
.md-body h1,
.md-body h2,
.md-body h3,
.md-body h4,
.md-body h5,
.md-body h6 {
  margin: 0.7em 0 0.35em;
  line-height: 1.25;
}
.md-body h1 {
  font-size: var(--text-title3);
  font-weight: 700;
}
.md-body h2 {
  font-size: var(--text-headline);
  font-weight: 600;
}
.md-body h3,
.md-body h4,
.md-body h5,
.md-body h6 {
  font-size: var(--text-subhead);
  font-weight: 600;
}
.md-body ul,
.md-body ol {
  margin: 0.3em 0 0.55em;
  padding-left: 1.25em;
}
.md-body li {
  margin: 0.12em 0;
}
.md-body li > ul,
.md-body li > ol {
  margin: 0.12em 0;
}
.md-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  background: color-mix(in srgb, currentColor 10%, transparent);
  padding: 0.08em 0.28em;
  border-radius: 4px;
}
.md-body pre {
  margin: 0.45em 0;
  overflow-x: auto;
  white-space: pre;
  background: color-mix(in srgb, currentColor 8%, transparent);
  padding: 0.7em 0.8em;
  border-radius: 10px;
}
.md-body pre code {
  font-size: 0.86em;
  background: none;
  padding: 0;
  border-radius: 0;
}
.md-body li.md-task {
  list-style: none;
  margin-left: -1.25em;
}
.md-body li.md-task label {
  display: flex;
  align-items: flex-start;
  gap: 0.4em;
}
.md-body li.md-task input {
  margin-top: 0.28em;
  flex: 0 0 auto;
}
.md-body sub,
.md-body sup {
  font-size: 0.72em;
}
.md-body .md-footnotes {
  margin: 0.75em 0 0;
  padding: 0.5em 0 0 1.2em;
  border-top: 1px solid color-mix(in srgb, currentColor 18%, transparent);
  font-size: 0.9em;
  opacity: 0.88;
}
.md-body a {
  color: var(--accent, var(--fg));
  text-underline-offset: 0.12em;
}
.md-body blockquote {
  margin: 0.4em 0;
  padding-left: 0.75em;
  border-left: 2px solid currentColor;
  opacity: 0.88;
}
.md-body hr {
  border: 0;
  border-top: 1px solid currentColor;
  opacity: 0.22;
  margin: 0.7em 0;
}
.md-body .md-table-wrap {
  overflow-x: auto;
  margin: 0.45em 0;
}
.md-body table {
  border-collapse: collapse;
  font-size: 0.92em;
  width: max-content;
  max-width: 100%;
}
.md-body th,
.md-body td {
  border: 1px solid color-mix(in srgb, currentColor 22%, transparent);
  padding: 0.22em 0.5em;
  text-align: left;
  vertical-align: top;
}
.md-body img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.edu-briefing-status,
.edu-capsule-panel {
  min-height: 0;
}

.edu-briefing-status .edu-detail-row {
  margin-bottom: 0;
}

.edu-briefing-status .edu-detail-meta {
  margin: 0.55rem 0 0;
}

.edu-capsule-panel .edu-panel-head {
  align-items: flex-end;
  margin-bottom: 0.55rem;
}

.edu-capsule-panel .edu-panel-title {
  flex: 1 1 auto;
  line-height: 1.2;
}

.edu-capsule-link {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}

.edu-capsule-body-link {
  display: block;
}

.edu-capsule-votes {
  display: inline-flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.35rem;
  margin-left: auto;
  flex: 0 0 auto;
}

.edu-vote-icon {
  display: block;
  width: 0.92rem;
  height: 0.92rem;
}

.edu-vote {
  appearance: none;
  -webkit-appearance: none;
  will-change: transform;
  transition:
    color 0.2s var(--ease),
    box-shadow 0.2s var(--ease),
    filter 0.2s var(--ease),
    transform 0.3s var(--ease);
}

.edu-capsule-body {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.edu-capsule--open {
  cursor: default;
}

.edu-citations-panel .edu-panel-title {
  margin-bottom: 0.55rem;
}

.edu-citations-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.edu-citations-list li {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.45;
  color: var(--fg);
}

.edu-citation-link {
  color: var(--accent);
  text-decoration: none;
}

.edu-citation-link:hover {
  text-decoration: underline;
}

@keyframes edu-rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 720px) {
  .edu-grid {
    grid-template-columns: 1fr;
  }

  /* Flatten columns so Completed can sit under every other panel */
  .edu-grid--home > .edu-col {
    display: contents;
  }

  .edu-grid--home .edu-panel--completed {
    order: 99;
  }

  /* Context files sit above Completed in the flattened single-column stack */
  .edu-grid--home .edu-files,
  .edu-grid--home .edu-file-tile {
    order: 98;
  }

  .edu-files--pair {
    grid-template-columns: 1fr;
  }

  .edu-panel-head {
    flex-wrap: wrap;
  }

  .edu-filters {
    margin-left: 0;
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .edu-app:not(.is-settled) .edu-hero,
  .edu-app:not(.is-settled) .edu-panel {
    animation: none !important;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Theme orb sits above chat */
.c-tr {
  z-index: 100;
}

/* ── Chatbot: circle → centered pill → response panel ── */
.yan-chat {
  --lg-read-blur: 0px;
  --lg-panel-blur: 0px;
  --chat-pad: clamp(1rem, 2.5vw, 1.6rem);
  --chat-circle: var(--corner-orb);
  /* Match .c-tl size so the panel clears the top liquid-glass orbs */
  --chat-top-orb: var(--corner-orb);
  --chat-top-gap: 0.75rem;
  --chat-panel-top: calc(var(--chat-pad) + var(--chat-top-orb) + var(--chat-top-gap));
  --pill-h: var(--chat-circle);
  --chat-panel-bottom: calc(var(--pill-h) + var(--chat-pad) + 0.75rem);
  --chat-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --chat-orange: #fd5802;
  --chat-orange-rgb: 253, 88, 2;
  --pill-w: var(--chat-circle);
  --pill-left: calc(100vw - var(--chat-pad) - var(--chat-circle));
  position: fixed; inset: 0; z-index: 90; pointer-events: none;
}
@media (prefers-color-scheme: dark) {
  html:not([data-resolved-theme="light"]) .yan-chat {
    --chat-orange: #f87a28; --chat-orange-rgb: 248, 122, 40;
  }
}
html[data-resolved-theme="dark"] .yan-chat {
  --chat-orange: #f87a28; --chat-orange-rgb: 248, 122, 40;
}
html[data-resolved-theme="light"] .yan-chat {
  --chat-orange: #fd5802; --chat-orange-rgb: 253, 88, 2;
}
.yan-chat.is-open {
  --pill-w: min(calc(var(--chat-circle) * 6), calc(100vw - (var(--chat-pad) * 2)));
  --pill-left: calc(50vw - (var(--pill-w) / 2));
}
.yan-chat.has-input-text {
  --lg-read-blur: 20px;
}
.yan-chat.is-history {
  --lg-panel-blur: 20px;
}
@media (prefers-reduced-motion: no-preference) {
  .yan-chat {
    transition: --lg-read-blur 0.4s var(--ease), --lg-panel-blur 0.4s var(--ease);
  }
}

.yan-chat-pill.corner,
.yan-chat-pill.corner.circle {
  top: auto; bottom: var(--chat-pad);
  left: var(--pill-left); right: auto;
  width: var(--pill-w); height: var(--pill-h);
  /* Beat .corner.circle { border-radius: 50% } so a tall composer stays a rounded rect. */
  border-radius: calc(var(--chat-circle) / 2);
  /* Above the transcript so attach chips are not covered in an open thread. */
  z-index: 91;
  pointer-events: auto; cursor: pointer; overflow: visible;
  transition:
    left 0.7s var(--chat-spring), width 0.7s var(--chat-spring),
    height 0.22s var(--ease), box-shadow 0.35s var(--ease),
    transform 0.3s var(--ease);
}
.yan-chat.is-open .yan-chat-pill.corner {
  cursor: text;
}
.yan-chat-pill.corner.lg-refraction::after {
  backdrop-filter: blur(var(--lg-read-blur)) var(--lg-filter);
  -webkit-backdrop-filter: blur(var(--lg-read-blur)) var(--lg-filter);
}
@media (prefers-color-scheme: dark) {
  html:not([data-resolved-theme="light"]) .yan-chat-pill.corner.lg-refraction::after {
    backdrop-filter: blur(var(--lg-read-blur)) var(--lg-filter) brightness(0.92) saturate(1.15);
    -webkit-backdrop-filter: blur(var(--lg-read-blur)) var(--lg-filter) brightness(0.92) saturate(1.15);
  }
}
html[data-resolved-theme="dark"] .yan-chat-pill.corner.lg-refraction::after {
  backdrop-filter: blur(var(--lg-read-blur)) var(--lg-filter) brightness(0.92) saturate(1.15);
  -webkit-backdrop-filter: blur(var(--lg-read-blur)) var(--lg-filter) brightness(0.92) saturate(1.15);
}
.yan-chat-pill.lg-fallback {
  backdrop-filter: blur(10px) saturate(1.5);
  -webkit-backdrop-filter: blur(10px) saturate(1.5);
  transition: backdrop-filter 0.4s var(--ease), -webkit-backdrop-filter 0.4s var(--ease);
}
.yan-chat.has-input-text .yan-chat-pill.lg-fallback {
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
}

.yan-chat-launcher {
  position: absolute; inset: 0; z-index: 3; margin: 0; padding: 0; border: 0;
  display: grid; place-items: center; background: transparent; color: var(--fg);
  cursor: pointer; opacity: 1;
  transition: opacity 0.25s var(--ease), transform 0.35s var(--chat-spring);
}
.yan-chat-launcher svg { width: 52%; height: 52%; }
.yan-chat.is-open .yan-chat-launcher {
  opacity: 0; pointer-events: none; transform: scale(0.4) rotate(90deg);
}

.yan-chat-close {
  --lg-filter: none;
  --chat-x-size: 1.7rem;
  position: absolute; z-index: 5; display: grid; place-items: center;
  width: var(--chat-x-size); height: var(--chat-x-size); margin: 0; padding: 0; border: 0; border-radius: 50%;
  color: var(--fg); background: transparent; isolation: isolate;
  box-shadow: 0 3px var(--lg-outer-shadow-blur) var(--lg-outer-shadow);
  cursor: pointer; opacity: 0; pointer-events: none;
  transition: opacity 0.28s var(--ease), transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.yan-chat-close svg { width: 48%; height: 48%; display: block; }
.yan-chat-close:focus-visible { outline: 2px solid var(--chat-orange); outline-offset: 2px; }
.yan-chat-close--pill { top: 0.38rem; left: 0.38rem; }
.yan-chat-close--panel {
  top: calc(var(--chat-panel-radius) - var(--chat-x-size) / 2);
  left: calc(var(--chat-panel-radius) - var(--chat-x-size) / 2);
}
.yan-chat.is-open:not(.has-panel) .yan-chat-close--pill,
.yan-chat.is-open .yan-chat-minimize {
  opacity: 1; pointer-events: auto; transition-delay: 0.18s;
}
.yan-chat.has-panel .yan-chat-close--panel {
  opacity: 1; pointer-events: auto;
}
/* Minus stays on the pill even when the message panel is open */
.yan-chat.has-panel .yan-chat-close--pill {
  opacity: 1; pointer-events: auto; transition-delay: 0.18s;
}

.yan-chat-form {
  position: absolute; inset: 0; z-index: 4; display: flex; align-items: center; gap: 0.45rem;
  padding: 0 0.7rem 0 2.45rem; opacity: 0; pointer-events: none;
  transition: opacity 0.28s var(--ease);
}
.yan-chat.is-open .yan-chat-form { opacity: 1; pointer-events: auto; transition-delay: 0.2s; }
.yan-chat.is-composer-tall .yan-chat-form {
  align-items: flex-end;
  padding-top: 0.55rem;
  padding-bottom: 0.55rem;
}
.yan-chat-input {
  flex: 1; min-width: 0; min-height: 0; height: 1.35em; margin: 0; padding: 0 0.25rem; border: 0;
  background: transparent; color: var(--fg); font-family: var(--body);
  font-size: var(--text-body); font-weight: 400; outline: none;
  line-height: var(--lh-body); resize: none; overflow-x: hidden; overflow-y: hidden;
  white-space: pre-wrap; overflow-wrap: anywhere; word-break: break-word;
  appearance: none; -webkit-appearance: none; field-sizing: fixed; align-self: center;
}
.yan-chat.is-composer-tall .yan-chat-input { align-self: stretch; height: auto; }
.yan-chat-input::placeholder { color: var(--muted); opacity: 0.8; }
.yan-chat.is-dragover .yan-chat-pill.corner {
  box-shadow: 0 0 0 2px var(--chat-orange), 0 4px var(--lg-outer-shadow-blur) var(--lg-outer-shadow);
}
.yan-chat.is-dragover.has-panel .yan-chat-panel {
  box-shadow: 0 0 0 2px var(--chat-orange), 0 10px var(--lg-outer-shadow-blur) var(--lg-outer-shadow);
}
.yan-chat-attach-chips {
  position: absolute;
  left: 2.45rem;
  right: 3.2rem;
  bottom: calc(100% + 0.35rem);
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  max-height: 4.5rem;
  overflow: auto;
  pointer-events: auto;
  z-index: 5;
}
.yan-chat.has-panel.has-attachments .yan-chat-messages::after {
  height: calc(var(--chat-panel-radius) + 3.2rem);
}
.yan-chat-attach-chips[hidden] { display: none !important; }
.yan-chat-attach-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  max-width: 11rem;
  padding: 0.22rem 0.45rem 0.22rem 0.55rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--chat-orange) 22%, transparent);
  color: var(--fg);
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1.2;
  box-shadow: 0 2px 8px var(--lg-outer-shadow);
}
.yan-chat-attach-chip-thumb {
  flex: 0 0 auto;
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 4px;
  object-fit: cover;
  background: color-mix(in srgb, var(--fg) 12%, transparent);
}
.yan-chat-attach-chip:has(.yan-chat-attach-chip-thumb) {
  padding-left: 0.28rem;
}
.yan-chat-attach-chip-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.yan-chat-attach-chip-x {
  flex: 0 0 auto;
  margin: 0;
  padding: 0;
  width: 1.1rem;
  height: 1.1rem;
  border: 0;
  border-radius: 50%;
  background: color-mix(in srgb, var(--fg) 12%, transparent);
  color: var(--fg);
  cursor: pointer;
  font-size: 0.85rem;
  line-height: 1;
  display: grid;
  place-items: center;
}
.yan-chat-attach-chip-x:hover { background: color-mix(in srgb, var(--fg) 22%, transparent); }
.yan-chat-send {
  --lg-filter: none;
  --lg-tint-rgb: var(--chat-orange-rgb);
  --lg-tint-opacity: 0.42;
  /* position:relative so ::before/::after glass layers size to this button,
     not the positioned .yan-chat-pill ancestor (was painting a pill-wide oval) */
  position: relative;
  flex: 0 0 2.45rem;
  width: 2.45rem; min-width: 2.45rem; max-width: 2.45rem;
  height: 2.45rem; min-height: 2.45rem; max-height: 2.45rem;
  margin: 0; padding: 0; border: 0; overflow: hidden;
  border-radius: 50%; display: grid; place-items: center; background: transparent;
  color: var(--fg); isolation: isolate; cursor: pointer;
  box-shadow: 0 4px var(--lg-outer-shadow-blur) var(--lg-outer-shadow);
  transition: opacity 0.2s, box-shadow 0.3s var(--ease), filter 0.25s var(--ease), transform 0.25s var(--ease);
  touch-action: manipulation;
  -webkit-touch-callout: none;
  user-select: none;
}
@media (prefers-color-scheme: dark) {
  html:not([data-resolved-theme="light"]) .yan-chat-send { --lg-tint-opacity: 0.4; }
}
html[data-resolved-theme="dark"] .yan-chat-send { --lg-tint-opacity: 0.4; }
.yan-chat-send svg {
  width: 42%; height: 42%; display: block;
  transition: transform 0.25s var(--chat-spring);
}
.yan-chat-send:hover {
  filter: brightness(1.08);
  box-shadow: 0 6px calc(var(--lg-outer-shadow-blur) + 4px) var(--lg-outer-shadow);
}
.yan-chat-send:hover svg { transform: translateY(-1px) scale(1.06); }
.yan-chat-send:disabled { opacity: 0.45; cursor: wait; filter: none; }
.yan-chat-send:disabled svg { transform: none; }
.yan-chat-send:focus-visible { outline: 2px solid var(--chat-orange); outline-offset: 2px; }
.yan-chat-send.is-interrupt-armed {
  transform: scale(1.1);
  filter: brightness(1.18);
}
.yan-chat-send.is-interrupt-armed svg { transform: translateY(-1px) scale(1.08); }

@keyframes yan-chat-panel-in {
  from { opacity: 0; transform: translateY(18%) scale(0.92); }
  to { opacity: 1; transform: none; }
}
.yan-chat-panel {
  --chat-panel-radius: clamp(1.5rem, 4vw, 2.4rem);
  --chat-x-size: 1.7rem;
  position: fixed; z-index: 89;
  left: var(--pill-left); right: auto;
  /* Always clear top-left / top-right glass with a visible gap */
  top: var(--chat-panel-top);
  bottom: var(--chat-panel-bottom);
  width: var(--pill-w); height: auto;
  border-radius: var(--chat-panel-radius);
  --lg-filter: none; isolation: isolate;
  box-shadow: 0 10px var(--lg-outer-shadow-blur) var(--lg-outer-shadow);
  pointer-events: none; opacity: 0; transform: translateY(18%) scale(0.92); overflow: hidden;
  display: flex; flex-direction: column;
  transition:
    opacity 0.45s var(--ease),
    transform 0.65s var(--chat-spring),
    left 0.7s var(--chat-spring),
    width 0.7s var(--chat-spring);
}
.yan-chat-panel::before {
  content: ""; position: absolute; inset: 0; z-index: 1; border-radius: inherit;
  box-shadow: inset 0 0 var(--lg-shadow-blur) var(--lg-shadow-spread) var(--lg-shadow-color);
  background-color: rgba(var(--lg-tint-rgb), var(--lg-tint-opacity)); pointer-events: none;
}
.yan-chat-panel.lg-refraction::after {
  content: ""; position: absolute; inset: 0; z-index: -1; border-radius: inherit;
  backdrop-filter: blur(var(--lg-panel-blur)) var(--lg-filter);
  -webkit-backdrop-filter: blur(var(--lg-panel-blur)) var(--lg-filter);
  isolation: isolate; pointer-events: none;
}
.yan-chat-panel.lg-fallback {
  background-color: rgba(var(--lg-tint-rgb), var(--lg-fallback-tint));
  backdrop-filter: blur(14px) saturate(1.5); -webkit-backdrop-filter: blur(14px) saturate(1.5);
  transition: backdrop-filter 0.4s var(--ease), -webkit-backdrop-filter 0.4s var(--ease);
}
.yan-chat.is-history .yan-chat-panel.lg-fallback {
  backdrop-filter: blur(20px) saturate(1.5);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
}
.yan-chat.has-panel .yan-chat-panel {
  pointer-events: auto; opacity: 1; transform: none;
  animation: yan-chat-panel-in 0.65s var(--chat-spring) backwards;
}
.yan-chat.has-panel.is-send-flight .yan-chat-panel {
  animation: none;
}
html.lg-chrome .yan-chat.has-panel .yan-chat-panel {
  transition:
    transform 0.3s var(--ease),
    opacity 0.45s var(--ease),
    left 0.7s var(--chat-spring),
    width 0.7s var(--chat-spring);
}
html.lg-chrome .yan-chat.has-panel .yan-chat-panel:hover,
html.lg-chrome .yan-chat.is-open .yan-chat-pill.corner:hover,
html.lg-chrome .yan-chat-close:hover {
  will-change: transform;
}
@media (min-width: 901px) {
  .yan-chat-panel {
    /* ~2/3 viewport, but never climb into the top orb band */
    top: auto;
    bottom: var(--chat-panel-bottom);
    height: min(
      66.666vh,
      calc(100vh - var(--chat-panel-top) - var(--chat-panel-bottom))
    );
    max-height: calc(100vh - var(--chat-panel-top) - var(--chat-panel-bottom));
  }
}
.yan-chat-messages {
  position: relative; z-index: 3; flex: 1 1 auto; min-height: 0; overflow: auto;
  padding: calc(var(--chat-panel-radius) + var(--chat-x-size) / 2 + 0.55rem) 1.2rem 0;
  display: flex; flex-direction: column; gap: 0.55rem;
  -webkit-overflow-scrolling: touch;
}
.yan-chat-history {
  --chat-history-inset: 1.2rem;
  position: relative; z-index: 3; flex: 1 1 auto; min-height: 0; overflow: auto;
  padding: calc(var(--chat-panel-radius) + var(--chat-x-size) / 2 + 0.55rem) 0 0;
  display: flex; flex-direction: column; gap: 1.05rem;
  -webkit-overflow-scrolling: touch;
}
/* Flex + overflow:auto drops padding-bottom from the scroll range. A real
   flex item stays reachable, and the height clears the panel's corner clip. */
.yan-chat-messages::after,
.yan-chat-history::after {
  content: "";
  flex: 0 0 auto;
  height: var(--chat-panel-radius);
  pointer-events: none;
}
.yan-chat-history[hidden],
.yan-chat-messages[hidden] { display: none !important; }
.yan-chat-history-section { display: flex; flex-direction: column; gap: 0.12rem; min-width: 0; }
.yan-chat-history-label {
  margin: 0 0 0.2rem; padding: 0 var(--chat-history-inset);
  font-family: var(--body); font-size: var(--text-caption); font-weight: 600;
  color: var(--muted);
}
.yan-chat-history-row {
  position: relative;
  isolation: isolate;
  display: flex; align-items: baseline; gap: 0.7rem;
  width: 100%; margin: 0; padding: 0.55rem var(--chat-history-inset);
  border: 0; border-radius: 0; background: transparent;
  color: var(--fg); font-family: var(--body); text-align: left; cursor: pointer;
}
.yan-chat-history-row > * {
  position: relative;
  z-index: 1;
}
.yan-chat-history-row::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.12),
    transparent 55%
  );
  background-color: rgba(var(--lg-tint-rgb), 0.12);
  box-shadow: inset 0 0 var(--lg-shadow-blur) var(--lg-shadow-spread) var(--lg-shadow-color);
  backdrop-filter: blur(12px) saturate(1.2);
  -webkit-backdrop-filter: blur(12px) saturate(1.2);
  opacity: 0;
  transition: opacity 0.8s var(--ease);
}
@media (prefers-color-scheme: dark) {
  html:not([data-resolved-theme="light"]) .yan-chat-history-row::before {
    background-image: linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.08),
      transparent 55%
    );
    background-color: rgba(var(--lg-tint-rgb), 0.22);
  }
}
html[data-resolved-theme="dark"] .yan-chat-history-row::before {
  background-image: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.08),
    transparent 55%
  );
  background-color: rgba(var(--lg-tint-rgb), 0.22);
}
html[data-resolved-theme="light"] .yan-chat-history-row::before {
  background-image: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.14),
    transparent 55%
  );
  background-color: rgba(var(--lg-tint-rgb), 0.12);
}
.yan-chat-history-row:hover::before,
.yan-chat-history-row:focus-visible::before {
  opacity: 0.72;
  transition: opacity 0s;
}
.yan-chat-history-row:focus-visible { outline: none; }
@media (prefers-reduced-motion: reduce) {
  .yan-chat-history-row::before { transition-duration: 0.01ms; }
}
.yan-chat-history-dot {
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--chat-orange);
  align-self: center;
  margin-right: -0.35rem;
}
.yan-chat-history-dot.is-working {
  animation: yan-chat-dot-pulse 1.15s ease-in-out infinite;
}
@keyframes yan-chat-dot-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.25; }
}
@media (prefers-reduced-motion: reduce) {
  .yan-chat-history-dot.is-working { animation: none; }
}
.yan-chat-history-title {
  flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  font-size: var(--text-body); font-weight: 400; line-height: var(--lh-body);
}
.yan-chat-history-age {
  flex: 0 0 auto; font-size: var(--text-caption); font-weight: 400; color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.yan-chat-history-empty {
  margin: 1.2rem var(--chat-history-inset, 1.2rem) 0; color: var(--muted);
  font-family: var(--body); font-size: var(--text-subhead);
}
.yan-chat-bubble {
  position: relative;
  isolation: isolate;
  --lg-filter: none;
  --lg-tint-opacity: 0.28;
  box-sizing: border-box;
  width: fit-content;
  max-width: calc(100% - 40px);
  padding: 12px;
  border-radius: 22px;
  font-family: var(--body);
  font-size: var(--text-body);
  line-height: var(--lh-body);
  font-weight: 400;
  color: var(--fg);
  text-align: left;
  white-space: pre-wrap;
  word-break: break-word;
  overflow: hidden;
  background: transparent;
  box-shadow: 0 4px var(--lg-outer-shadow-blur) var(--lg-outer-shadow);
  backdrop-filter: blur(22px) saturate(1.4);
  -webkit-backdrop-filter: blur(22px) saturate(1.4);
}
html[data-resolved-theme="dark"] .yan-chat-bubble {
  --lg-tint-opacity: 0.5;
}
@media (prefers-color-scheme: dark) {
  html:not([data-resolved-theme="light"]) .yan-chat-bubble {
    --lg-tint-opacity: 0.5;
  }
}
html[data-resolved-theme="light"] .yan-chat-bubble {
  --lg-tint-opacity: 0.28;
}
.yan-chat-bubble.lg-fallback {
  backdrop-filter: blur(22px) saturate(1.5);
  -webkit-backdrop-filter: blur(22px) saturate(1.5);
}
.yan-chat-bubble > *,
.yan-chat-bubble-in {
  position: relative;
  z-index: 2;
}
.yan-chat-bubble-in {
  display: block;
}
.yan-chat-bubble.md-body {
  white-space: normal;
}
.yan-chat-bubble--user {
  --chat-bubble-tint: color-mix(in srgb, var(--chat-orange) 16%, transparent);
  align-self: flex-end;
  background-image: linear-gradient(var(--chat-bubble-tint), var(--chat-bubble-tint));
}
.yan-chat-bubble--assistant {
  align-self: flex-start;
}
.yan-chat-working {
  align-self: flex-start;
  flex-shrink: 0;
  padding: 12px 14px;
  color: var(--muted);
}
@media (prefers-color-scheme: dark) {
  html:not([data-resolved-theme="light"]) .yan-chat-bubble--user {
    --chat-bubble-tint: color-mix(in srgb, var(--chat-orange) 26%, transparent);
  }
}
html[data-resolved-theme="dark"] .yan-chat-bubble--user {
  --chat-bubble-tint: color-mix(in srgb, var(--chat-orange) 26%, transparent);
}
html[data-resolved-theme="light"] .yan-chat-bubble--user {
  --chat-bubble-tint: color-mix(in srgb, var(--chat-orange) 16%, transparent);
}
@media (min-width: 901px) {
  .yan-chat-bubble {
    max-width: calc(100% - 120px);
  }
}
.yan-chat-bubble.is-flying {
  opacity: 0 !important;
}
.yan-chat-flight {
  position: absolute;
  inset: 0;
  z-index: 96;
  pointer-events: none;
  overflow: visible;
}
.yan-chat-bubble--flight {
  max-width: none;
}
.yan-chat-turn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.45rem;
  align-self: flex-start;
  flex-shrink: 0;
  width: fit-content;
  max-width: calc(100% - 40px);
  min-width: 0;
}
.yan-chat-turn--user {
  align-self: flex-end;
  align-items: flex-end;
}
@media (min-width: 901px) {
  .yan-chat-turn,
  .yan-chat-turn--user {
    max-width: calc(100% - 120px);
  }
}
.yan-chat-turn .yan-chat-bubble {
  max-width: 100%;
}
.yan-chat-turn--queued {
  opacity: 0.42;
}
.yan-chat-widget-stack {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  align-self: stretch;
  max-width: 100%;
  min-width: 0;
}
.yan-chat-widgets {
  display: flex;
  gap: 0.7rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 14px 10px 18px;
  margin: 0 -8px;
  max-width: calc(100% + 16px);
  scrollbar-width: thin;
}
.yan-chat-widget {
  flex: 0 0 min(280px, 78vw);
  scroll-snap-align: start;
  position: relative;
  isolation: isolate;
  --lg-filter: none;
  border: 0;
  border-radius: 22px;
  min-height: 196px;
  overflow: visible;
  background: transparent;
  box-shadow: 0 6px var(--lg-outer-shadow-blur) var(--lg-outer-shadow);
  padding: 8px;
  box-sizing: border-box;
}
a.yan-chat-widget {
  display: block;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}
.yan-chat-widget > * {
  position: relative;
  z-index: 2;
}
.yan-chat-place {
  padding: 0.7rem 0.75rem 0.85rem;
  color: var(--fg);
  background: transparent;
  min-height: 7.5rem;
  box-sizing: border-box;
}
.yan-chat-place-title {
  margin: 0 0 0.35rem;
  font: 600 var(--text-headline) / 1.29 var(--body);
  color: var(--fg);
}
.yan-chat-place-sub,
.yan-chat-place-body {
  margin: 0;
  font: 400 var(--text-subhead) / 1.333 var(--body);
  color: var(--muted);
}
.yan-chat-place-body {
  margin-top: 0.45rem;
  font-size: var(--text-footnote);
  line-height: 1.385;
}
.yan-chat-widget-clip {
  overflow: hidden;
  border-radius: 14px;
  min-height: 164px;
}
.yan-chat-widget-html {
  width: 100%;
  border: 0;
  background: transparent;
  display: block;
  min-height: 120px;
}
.yan-chat-widget-img {
  display: block;
  width: 100%;
  max-height: 240px;
  object-fit: contain;
  border-radius: 14px;
}
.yan-chat-map-ios-wrap {
  display: flex;
  justify-content: flex-start;
  padding: 2px 2px 0.35rem;
}
.yan-chat-map-ios {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
  position: relative;
  isolation: isolate;
  overflow: visible;
  padding: 0.42rem 0.85rem 0.42rem 0.62rem;
  border-radius: 18px;
  background: transparent;
  --lg-filter: none;
  box-shadow: 0 4px var(--lg-outer-shadow-blur) var(--lg-outer-shadow);
  font: 600 var(--text-subhead) / 1.2 var(--body);
  color: var(--fg);
  white-space: nowrap;
}
.yan-chat-map-ios > * {
  position: relative;
  z-index: 2;
}
.yan-chat-map-ios-pin {
  width: 0.92rem;
  height: 0.92rem;
  flex: none;
  color: var(--chat-orange);
}
.yan-chat.is-busy .yan-chat-pill {
  animation: yan-chat-pulse 1.2s ease-in-out infinite;
}
@keyframes yan-chat-pulse {
  0%, 100% { box-shadow: 0 6px var(--lg-outer-shadow-blur) var(--lg-outer-shadow); }
  50% {
    box-shadow:
      0 6px var(--lg-outer-shadow-blur) var(--lg-outer-shadow),
      0 0 0 4px rgba(var(--chat-orange-rgb), 0.22);
  }
}
@media (prefers-reduced-motion: reduce) {
  .yan-chat-pill.corner, .yan-chat-panel, .yan-chat-launcher, .yan-chat-close, .yan-chat-form, .yan-chat-send {
    transition-duration: 0.01ms !important; animation: none !important;
  }
}