@font-face {
  font-family: Yekan;
  src: url("/assets/Yekan.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

:root {
  color-scheme: light;
  --paper: #fcf2f5;
  --surface: #fffafc;
  --glass: #fffbfde0;
  --ink: #361e30;
  --muted: #684c5e;
  --line: #d8b8c9;
  --control-border: #a47d93;
  --accent: #833858;
  --accent-hover: #6b2947;
  --selected: #f5dbe8;
  --track: #ead1df;
  --error: #9b273f;
  --measure: 42rem;
  font-family: Yekan, Tahoma, system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.9;
  accent-color: var(--accent);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  min-block-size: 100svh;
  background:
    radial-gradient(ellipse at 86% 8%, #f1c7dc 0, transparent 41%),
    radial-gradient(ellipse at 12% 62%, #f5d6e2 0, transparent 43%),
    var(--paper);
}
::selection { background: #eabdd3; color: var(--ink); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
button, .option { -webkit-tap-highlight-color: #83385827; }
.masthead { border-block-end: 1px solid #ffffffa6; background: #fffafd9c; }
.masthead-inner {
  max-inline-size: 70rem; min-block-size: 4.5rem; margin-inline: auto;
  padding: .65rem 1.25rem; display: flex; align-items: center; gap: .75rem;
  font-size: .92rem; font-weight: 700;
}
.seal {
  display: grid; place-items: center; inline-size: 2.6rem; block-size: 2.6rem;
  flex: none; border-radius: .75rem; color: var(--accent);
  border: 1px solid #fffc; background: #ffffff8c;
}
.seal svg { inline-size: 1.5rem; block-size: 1.5rem; }
.shell { max-inline-size: calc(var(--measure) + 2.5rem); padding: 2.5rem 1.25rem 3rem; margin-inline: auto; }
h1, h2, h3, p { margin-block: 0; }
h1 { font-size: 1.65rem; line-height: 1.55; margin-block-end: 1.4rem; }
h2 { font-size: 1.22rem; line-height: 1.75; }
h3 { font-size: 1rem; }
.intro { color: var(--muted); margin-block-end: 1.25rem; max-inline-size: 65ch; }
.intro:not([hidden]) + .step-heading { margin-block-end: .65rem; }
.step-heading { display: flex; align-items: center; justify-content: space-between; gap: .75rem; }
.teacher-art {
  display: block; flex: none; inline-size: 4rem; block-size: 4rem;
  object-fit: cover; border: 1px solid #fff; border-radius: .7rem; background: var(--selected);
}
.teacher-progress.hint { margin-block: .1rem 0; }
.sheet {
  padding: 1.55rem; border: 1px solid #ffffffde; border-radius: 1rem;
  background: var(--glass); box-shadow: 0 16px 36px #58213a14;
}
@supports ((backdrop-filter: blur(12px)) or (-webkit-backdrop-filter: blur(12px))) {
  .masthead, .sheet { -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
  .sheet { background: #fffbfdb8; }
}
.progress-wrap { margin-block-end: .9rem; }
.progress-caption { display: flex; justify-content: space-between; gap: .5rem; color: var(--muted); font-size: .86rem; }
progress { display: block; appearance: none; inline-size: 100%; block-size: .35rem; border: 0; margin-block-start: .35rem; border-radius: 2rem; overflow: hidden; background: var(--track); }
progress::-webkit-progress-bar { background: var(--track); }
progress::-webkit-progress-value { background: var(--accent); transition: width .18s ease-out; }
progress::-moz-progress-bar { background: var(--accent); }
fieldset { min-inline-size: 0; border: 0; padding: 0; margin: .7rem 0 0; }
legend, .question-label { display: block; padding: 0; margin-block-end: .9rem; line-height: 1.85; font-weight: 700; }
.field-label { display: block; color: var(--muted); font-size: .88rem; margin-block-end: .25rem; }
input, textarea, select, button { font: inherit; }
input[type=text], input[type=password], textarea, select {
  display: block; inline-size: 100%; padding: .55rem .75rem; min-block-size: 2.8rem;
  color: var(--ink); background: var(--surface); border: 1px solid var(--control-border); border-radius: .65rem;
}
textarea { resize: vertical; }
.option {
  display: flex; align-items: center; gap: .6rem; min-block-size: 2.75rem;
  padding: .35rem .7rem; margin-block: .42rem; border: 1px solid var(--line);
  border-radius: .65rem; cursor: pointer; background: #ffffff96;
}
.option:last-child { margin-block-end: 0; }
.option:hover { background: var(--surface); border-color: var(--control-border); }
.option:has(:checked) { border-color: var(--accent); background: var(--selected); }
.option input { flex: none; inline-size: 1.06rem; block-size: 1.06rem; margin: 0; }
.option-caption { flex: 1; }
.emoji {
  display: inline-block; font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
  font-size: .92em; line-height: 1; vertical-align: -.04em;
}
legend .emoji, .question-label .emoji { margin-inline-end: .45em; }
.option .emoji { flex: none; }
.hint { color: var(--muted); font-size: .85rem; margin-block: .25rem .6rem; }
.actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .65rem; margin-block-start: 1.35rem; }
button {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  min-block-size: 2.75rem; padding: .4rem .9rem; border: 1px solid transparent;
  border-radius: .65rem; font-weight: 700; cursor: pointer;
  touch-action: manipulation;
}
.button-icon { flex: none; inline-size: 1.1rem; block-size: 1.1rem; }
.primary { background: var(--accent); color: white; margin-inline-start: auto; }
.primary:hover:not(:disabled) { background: var(--accent-hover); }
.secondary { border-color: var(--control-border); color: var(--accent); background: #ffffffa6; }
.secondary:hover:not(:disabled) { background: var(--selected); }
button:disabled { opacity: .6; cursor: default; }
.error { margin-block-start: .7rem; color: var(--error); font-size: .9rem; }
.report-shell { max-inline-size: 64rem; }
.login { max-inline-size: 27rem; }
.login h2 { margin-block-end: .7rem; }
.logout { margin-inline-start: auto; }
.report-controls { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); max-inline-size: 36rem; gap: .75rem; }
#report, #individual { margin-block-start: 1.5rem; }
#status:not([hidden]) { margin-block-end: 1rem; color: var(--muted); }
.report-number { margin-block: .25rem .8rem; color: var(--muted); }
.teacher-chart {
  padding: 1rem; margin-block: 1rem; border: 1px solid var(--line);
  border-radius: .85rem; background: var(--glass);
}
.chart-legend, .chart-list { padding: 0; list-style: none; }
.chart-legend { display: flex; flex-wrap: wrap; gap: .25rem .95rem; font-size: .85rem; color: var(--muted); }
.chart-legend li { display: flex; align-items: center; gap: .35rem; }
.chart-swatch { inline-size: .75rem; block-size: .75rem; border-radius: .2rem; background: var(--segment); }
.chart-list { display: grid; gap: .45rem; margin-block: .8rem 0; }
.chart-list li { display: grid; grid-template-columns: minmax(6rem, 10rem) minmax(0, 1fr); align-items: center; gap: .5rem; }
.chart-bar { display: block; inline-size: 100%; block-size: .85rem; border-radius: .25rem; background: var(--track); }
.chart-bar rect { fill: var(--segment); }
.chart-option-0 { --segment: #693356; }
.chart-option-1 { --segment: #a44778; }
.chart-option-2 { --segment: #d999b6; }
.chart-option-3 { --segment: #bf735d; }
.chart-option-4 { --segment: #8a402e; }
.chart-option-5 { --segment: #766985; }
.change-status { margin-block-start: 1.4rem; color: var(--ink); }
.response-actions, .removed-response { display: flex; flex-wrap: wrap; align-items: center; gap: .55rem; margin-block: .45rem; }
.removed-response { justify-content: space-between; overflow-wrap: anywhere; }
.remove-response { color: var(--error); }
.response-editor {
  color: var(--ink); inline-size: min(40rem, calc(100% - 1.5rem));
  background: var(--surface);
}
.response-editor::backdrop { background: #361e3066; }
.response-editor h2 { margin-block-end: .65rem; }
#edit-form { display: flex; flex-direction: column; max-block-size: min(74svh, 49rem); }
#edit-form > :not(#edit-answers) { flex: none; }
#edit-answers {
  min-block-size: 0; overflow: auto; margin-block-start: .85rem;
  margin-inline: -.3rem; padding-inline: .3rem;
}
#edit-answers label:not(:first-child) { margin-block-start: .75rem; }
details { margin-block: .65rem; background: var(--glass); border: 1px solid var(--line); border-radius: .65rem; }
summary { padding: .6rem .85rem; min-block-size: 2.75rem; cursor: pointer; font-weight: 700; overflow-wrap: anywhere; }
.detail-content { padding: .2rem .85rem .85rem; }
.detail-content h3 { margin-block: .8rem .3rem; }
.distribution { padding: 0; margin-block: .2rem .8rem; max-inline-size: 36rem; list-style: none; }
.distribution li { display: grid; grid-template-columns: minmax(8.5rem, 1.35fr) 1fr 2rem; align-items: center; gap: .5rem; font-size: .88rem; padding-block: .18rem; }
.distribution meter { inline-size: 100%; block-size: .8rem; }
.distribution meter::-webkit-meter-bar { background: var(--track); border: 0; }
.distribution meter::-webkit-meter-optimum-value { background: var(--accent); }
.distribution meter::-moz-meter-bar { background: var(--accent); }
.prompt-results { padding-inline-start: 1.4rem; margin-block: .25rem .7rem; white-space: pre-wrap; overflow-wrap: anywhere; }
.individual-list { display: grid; gap: .7rem; margin-block: .7rem 0; }
.individual-list div { padding-block-end: .5rem; border-block-end: 1px solid var(--line); }
.individual-list dt { font-weight: 700; font-size: .9rem; }
.individual-list dd { margin: 0; white-space: pre-wrap; overflow-wrap: anywhere; }
@media (max-width: 36rem) {
  .masthead-inner { padding-inline: .85rem; min-block-size: 3.75rem; }
  .shell { padding: 1.15rem .75rem 1.6rem; }
  .sheet { padding: 1rem; }
  h1 { font-size: 1.42rem; margin-block-end: .9rem; }
  h2 { font-size: 1.12rem; }
  .teacher-art { inline-size: 3.4rem; block-size: 3.4rem; }
  .option { min-block-size: 2.8rem; }
  .report-controls { grid-template-columns: 1fr; }
  .chart-list li { grid-template-columns: minmax(5rem, 38%) minmax(0, 1fr); }
  .distribution li { grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr) 1.25rem; }
}
@media (prefers-reduced-motion: reduce) {
  progress::-webkit-progress-value { transition: none; }
}