/* SocioHan app stylesheet, built on tokens.css: the «Estudi» components (ADR 0028; the
   class names of ADR 0014 stay, their look changes). Paper and hairlines first, white sheets
   only where something is held, small radii, ink buttons, mono labels. No inline styles
   anywhere (strict CSP, ADR 0006). The aliases of the first releases (`.button`, `.notice`,
   `.badge`, `.help-panel`, `.breadcrumbs`, `.stacked-form`, …) keep rendering. */

/* Icons drawn with a CSS mask (alerts, errors, selects): no request, themable. */
:root {
  --icon-info: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><circle cx='12' cy='12' r='10'/><path d='M12 16v-4'/><path d='M12 8h.01'/></svg>");
  --icon-success: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><circle cx='12' cy='12' r='10'/><path d='m16 9-5.5 5.5L8 12'/></svg>");
  --icon-warning: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='m21.73 18-8-14a2 2 0 0 0-3.48 0l-8 14A2 2 0 0 0 4 21h16a2 2 0 0 0 1.73-3'/><path d='M12 9v4'/><path d='M12 17h.01'/></svg>");
  --icon-danger: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><circle cx='12' cy='12' r='10'/><path d='m15 9-6 6'/><path d='m9 9 6 6'/></svg>");
  --icon-lock: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><rect width='18' height='11' x='3' y='11' rx='2' ry='2'/><path d='M7 11V7a5 5 0 0 1 10 0v4'/></svg>");
  --icon-chevron: url("data:image/svg+xml,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><path d='m6 9 6 6 6-6'/></svg>");
  --gutter: var(--sp-4);
}
@media (min-width: 48rem) { :root { --gutter: var(--sp-5); } }

/* ------------------------------------------------------------------ base */
html { font-size: 100%; -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0; font-family: var(--font-sans); font-size: var(--fs-md); line-height: 1.45;
  color: var(--c-text); background: var(--c-bg); overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; font-feature-settings: "ss01";
}
h1, h2, h3, h4 { line-height: 1.2; margin: 1.5em 0 .5em; }
h1, h2 { font-family: var(--font-display); font-weight: 700; letter-spacing: var(--track-display); font-variation-settings: "wdth" 92, "opsz" 48; }
h1 { font-size: var(--fs-4xl); line-height: 1; margin-top: 0; }
h2 { font-size: var(--fs-2xl); font-weight: 650; line-height: 1.1; font-variation-settings: "wdth" 92, "opsz" 28; }
h3 { font-size: var(--fs-lg); font-weight: 600; }
h4 { font-size: var(--fs-md); font-weight: 600; }
p, ul, ol, dl { margin: 0 0 1rem; }
a { color: var(--c-text); text-decoration: underline; text-decoration-color: var(--c-line-2); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--c-text); text-decoration-color: currentColor; }
strong, b { font-weight: 600; }
code, kbd, samp { font-family: var(--font-mono); font-size: .9em; }
kbd { padding: 0 .3em; border: 1px solid var(--c-line-2); border-bottom-width: 2px; border-radius: 3px; background: transparent; color: var(--c-ink-2); }
hr { border: 0; border-top: 1px solid var(--c-line); margin: var(--sp-6) 0; }
img, svg, canvas { max-width: 100%; }
:focus-visible { outline: 2px solid var(--c-focus); outline-offset: 2px; }
::placeholder { color: var(--c-placeholder); opacity: 1; }
::selection { background: var(--c-highlight); color: var(--c-ink); }
[hidden] { display: none !important; }
.visually-hidden {
  position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0);
  clip-path: inset(50%); white-space: nowrap;
}
.skip-link {
  position: absolute; left: var(--sp-4); top: -10rem; z-index: 2000; padding: var(--sp-2) var(--sp-4);
  background: var(--c-ink); color: var(--c-paper); border-radius: var(--r-md); font-weight: 600; text-decoration: none; box-shadow: var(--sh-2);
}
.skip-link:focus { top: var(--sp-2); color: var(--c-paper); }
.muted, .c-muted { color: var(--c-text-muted); font-weight: 400; }
.helptext { display: block; color: var(--c-text-muted); font-size: var(--fs-sm); max-width: 65ch; }
.c-mono { font-family: var(--font-mono); font-size: var(--fs-mono); font-weight: 400; letter-spacing: var(--track-mono); text-transform: uppercase; }
.tabular, .c-num { font-variant-numeric: tabular-nums; }

/* Icons from the sprite ({% icon %}) */
.icon-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon {
  width: 1.125em; height: 1.125em; flex: none; vertical-align: -.2em;
  fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round;
}
/* ------------------------------------------------------------------ plain header (no school) */
.c-header { position: sticky; top: 0; z-index: 50; background: var(--c-paper); border-bottom: 1px solid var(--c-line); }
.c-header__inner {
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-1); max-width: var(--w-content);
  min-height: 3.5rem; margin: 0 auto; padding: 0 var(--gutter);
}
.c-brand {
  display: inline-flex; align-items: center; gap: .625rem; min-height: var(--h-touch); margin-right: var(--sp-3);
  color: var(--c-ink); text-decoration: none; white-space: nowrap;
}
.c-brand:hover { color: var(--c-ink); }
.c-brand__name { font-family: var(--font-display); font-size: 1.375rem; font-weight: 750; letter-spacing: -.024em; font-variation-settings: "wdth" 86, "opsz" 32; }
/* The brand: the three class dots (every page: shell, sign-in, errors, onboarding). */
.c-brand__mark { display: block; flex: none; width: 2.125rem; height: .625rem; }
.c-brand__dot--1 { fill: var(--viz-c1); }
.c-brand__dot--2 { fill: var(--viz-c2); }
.c-brand__dot--3 { fill: var(--viz-c3); }
.c-header__tools { display: flex; align-items: center; gap: var(--sp-1); margin-left: auto; }
/* Icon-only tools of the plain top bar are exactly 44x44 (AX-20). */
.c-header .c-menu > summary .visually-hidden { right: 0; width: auto; }
.c-header__tools .c-menu > summary { min-width: var(--h-touch); padding: 0 var(--sp-2); }

/* Menus: native <details>, menu.js adds Esc, outside click, single-open, arrow keys. */
.c-menu { position: relative; }
.c-menu:not([open]) > .c-menu__panel { display: none; }
.c-menu > summary {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2);
  min-width: var(--h-touch); min-height: var(--h-touch); padding: 0 var(--sp-3); border-radius: var(--r-md);
  color: var(--c-ink); font-size: var(--fs-sm); font-weight: 550; cursor: pointer; list-style: none;
  white-space: nowrap; user-select: none;
}
.c-menu > summary::-webkit-details-marker { display: none; }
.c-menu > summary::marker { content: ""; }
.c-menu > summary:hover, .c-menu[open] > summary { background: var(--c-well); }
.c-menu > summary .c-menu__chevron { width: 1rem; height: 1rem; transition: transform var(--dur-2) var(--spring); }
.c-menu[open] > summary .c-menu__chevron { transform: rotate(180deg); }
.c-menu__panel {
  position: absolute; right: 0; top: calc(100% + 6px); z-index: 60; min-width: 16rem;
  max-width: min(22rem, calc(100vw - 2 * var(--gutter))); max-height: calc(100vh - 5rem); overflow-y: auto;
  padding: var(--sp-1); box-sizing: border-box; background: var(--c-sheet); color: var(--c-ink); border-radius: var(--r-lg);
  box-shadow: var(--sh-2), 0 0 0 1px var(--c-line); animation: c-pop var(--dur-2) var(--ease);
}
@keyframes c-pop { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
.c-menu__list { list-style: none; margin: 0; padding: 0; }
.c-menu__item {
  display: flex; align-items: center; gap: var(--sp-3); width: 100%; min-height: var(--h-touch); box-sizing: border-box;
  padding: var(--sp-2) var(--sp-3); border: 0; border-radius: var(--r-md); background: transparent; box-shadow: none;
  color: var(--c-ink); font: inherit; font-size: var(--fs-sm); font-weight: 500; text-align: left;
  text-decoration: none; cursor: pointer;
}
button.c-menu__item { justify-content: flex-start; color: var(--c-ink); background: transparent; border: 0; min-height: var(--h-touch); }
.c-menu__item:hover, button.c-menu__item:hover { color: var(--c-ink); background: var(--c-paper); transform: none; box-shadow: none; }
.c-menu__item[aria-current] { font-weight: 600; box-shadow: inset 3px 0 0 var(--c-ink); background: var(--c-paper); }
.c-menu__item .icon { color: var(--c-ink-3); }
.c-menu__item .c-dot { margin: 0 .3125rem; }
.c-menu__check { margin-left: auto; color: var(--c-ink); }
.c-menu__badge { margin-left: auto; }
.c-menu__panel--start { left: 0; right: auto; }
.c-menu__text { padding: var(--sp-2) var(--sp-3); margin: 0; font-size: var(--fs-sm); color: var(--c-text-muted); overflow-wrap: anywhere; }
.c-menu__text strong { display: block; color: var(--c-ink); }
.c-menu__heading { padding: var(--sp-2) var(--sp-3) var(--sp-1); margin: 0; color: var(--c-ink-3); font-family: var(--font-mono); font-size: var(--fs-mono); font-weight: 400; letter-spacing: var(--track-mono); text-transform: uppercase; }
.c-menu__sep { height: 1px; margin: var(--sp-1) 0; background: var(--c-line); border: 0; }
.c-menu__form { margin: 0; padding: 0 var(--sp-2) var(--sp-2); }
.c-menu__list .c-menu__form { padding: 0; }

/* ------------------------------------------------------------------ page layout */
main:focus { outline: none; }
main { display: block; max-width: var(--w-content); margin: 0 auto; padding: var(--sp-6) var(--gutter) var(--sp-8); }
.is-wide main { max-width: var(--w-wide); }
/* Wide pages (board, tutors and teachers, audit log, school years): the header and the
   page's text keep the column of every other page; only the wide parts use the extra width. */
.is-wide main > :not(.c-table-scroll, .board, .drawer) { max-width: var(--w-content); margin-inline: auto; }
/* Breadcrumbs (ADR 0026, R3) are the page's eyebrow: a rule, then the trail in mono capitals. */
.c-crumbs { display: flex; flex-wrap: wrap; align-items: center; margin: 0 0 var(--sp-3); color: var(--c-ink-3); font-family: var(--font-mono); font-size: var(--fs-mono); letter-spacing: var(--track-mono); text-transform: uppercase; }
.c-crumbs ol { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-1) 0; list-style: none; margin: 0; padding: 0; }
.c-crumbs::before { content: ""; flex: 0 0 1.75rem; height: 1px; margin-right: .875rem; background: var(--c-ink-3); }
.c-crumbs li { display: inline-flex; align-items: center; min-height: 1.5rem; }
.c-crumbs li + li::before { content: "/"; padding: 0 .5rem; color: var(--c-ink-3); }
.c-crumbs a { color: var(--c-ink-3); text-decoration: none; }
.c-crumbs a:hover { color: var(--c-ink); text-decoration: underline; }
.c-crumbs [aria-current="page"] { color: var(--c-ink-2); }
.c-crumbs__num { margin-right: .625rem; color: var(--c-ink-2); white-space: nowrap; }
.breadcrumbs { margin: 0 0 var(--sp-3); color: var(--c-ink-3); font-family: var(--font-mono); font-size: var(--fs-mono); letter-spacing: var(--track-mono); text-transform: uppercase; }
.breadcrumbs a { color: var(--c-ink-3); }

/* Page header: the title is the page's headline (Bricolage, estudi.css sets its size). */
.c-page { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--sp-4) var(--sp-6); margin: 0 0 1.75rem; }
.c-page__main { flex: 1 1 24rem; min-width: 0; }
.c-page__title { margin: 0; }
.c-page__meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-2); margin: var(--sp-3) 0 0; color: var(--c-ink-2); font-size: var(--fs-lg); max-width: 56ch; }
.c-page__actions { display: flex; flex-wrap: wrap; gap: var(--sp-2); align-items: center; }
@media (max-width: 47.99rem) {
  .c-page__actions { width: 100%; flex-direction: column; align-items: stretch; }
  .c-page__actions > * { width: 100%; }
  /* A header with a «···» menu keeps its few actions in one row. */
  .c-page__actions:has(> .c-menu--more) { flex-direction: row; align-items: center; }
  .c-page__actions:has(> .c-menu--more) > * { width: auto; }
  .c-page__actions:has(> .c-menu--more) > .c-btn:not(.c-btn--sm) { flex: 1 1 auto; }
}

/* ------------------------------------------------------------------ buttons */
/* Primary: ink on paper. Secondary: an outlined ink button. Quiet: a text button. */
.c-btn, .button, button, input[type="submit"] {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-2);
  min-height: 2.5rem; padding: 0 var(--sp-4); box-sizing: border-box;
  border: 0; border-radius: var(--r-md); background: var(--c-primary); box-shadow: none;
  color: var(--c-on-primary); font: inherit; font-size: var(--fs-sm); font-weight: 550; line-height: 1.2; text-align: center;
  text-decoration: none; cursor: pointer;
  transition: transform 250ms var(--spring), box-shadow var(--dur-2) var(--ease), background-color var(--dur-2) var(--ease), color var(--dur-2) var(--ease);
}
.c-btn:hover, .button:hover, button:hover { background: var(--c-primary-hover); color: var(--c-on-primary); text-decoration: none; }
/* The lift and press of a named button (bare <button>s inside widgets stay still). */
:is(.c-btn, .button, .c-form button[type="submit"]):not(.c-btn--quiet):hover { transform: translateY(-1px); box-shadow: 0 8px 20px -10px rgb(18 19 23 / .6); }
:is(.c-btn, .button, .c-form button[type="submit"]):active { transform: translateY(1px) scale(.98); box-shadow: none; }
.c-btn .icon, .button .icon, button .icon { width: 1rem; height: 1rem; }
.c-btn--secondary, button.secondary, .button.secondary, .c-btn.secondary {
  background: transparent; color: var(--c-ink); box-shadow: inset 0 0 0 1px var(--c-border-strong);
}
.c-btn--secondary:hover, button.secondary:hover, .button.secondary:hover, .c-btn.secondary:hover,
:is(.c-btn--secondary, .c-btn.secondary, .button.secondary):not(.c-btn--quiet):hover {
  background: var(--c-sheet); color: var(--c-ink); box-shadow: inset 0 0 0 1px var(--c-ink), 0 6px 16px -10px rgb(18 19 23 / .45);
}
.c-btn--danger, button.danger, .button.danger { background: var(--c-danger); color: var(--c-on-danger); }
.c-btn--danger:hover, button.danger:hover, .button.danger:hover { background: var(--c-danger-text); color: var(--c-on-danger); }
.c-btn--quiet { background: transparent; color: var(--c-ink); padding-left: var(--sp-2); padding-right: var(--sp-2); }
.c-btn--quiet:hover { background: var(--c-well); color: var(--c-ink); transform: none; box-shadow: none; }
.c-btn--sm { min-height: 2rem; padding: 0 var(--sp-3); font-size: var(--fs-xs); }
.c-btn[disabled], button[disabled], .c-btn[aria-disabled="true"] { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
.c-btn[aria-busy="true"]::after, button[aria-busy="true"]::after {
  content: ""; width: 1em; height: 1em; border: 2px solid currentColor; border-right-color: transparent;
  border-radius: 50%; animation: c-spin .8s linear infinite;
}
@keyframes c-spin { to { transform: rotate(360deg); } }
@media (pointer: coarse) { .c-btn, .button, button { min-height: var(--h-touch); } }
/* Rows of actions */
.c-actions, .actions { display: flex; flex-wrap: wrap; gap: var(--sp-2) var(--sp-3); align-items: center; margin: var(--sp-4) 0; }
.row-actions { display: flex; flex-wrap: wrap; gap: var(--sp-2); align-items: center; }
.inline-form { display: inline-flex; flex-wrap: wrap; gap: var(--sp-2); align-items: center; margin: 0; }

/* ------------------------------------------------------------------ forms */
:where(input:not([type="checkbox"], [type="radio"], [type="hidden"], [type="submit"], [type="button"], [type="file"], [type="range"], [type="color"]), select, textarea) {
  box-sizing: border-box; max-width: 100%; min-height: var(--h-touch); padding: var(--sp-2) var(--sp-3);
  border: 1px solid var(--c-border-strong); border-radius: 5px; background: var(--c-sheet);
  color: var(--c-ink); font: inherit; font-size: 1rem; line-height: 1.4;
  transition: border-color var(--dur-2) var(--ease), box-shadow var(--dur-2) var(--ease);
}
textarea { min-height: 6rem; width: 100%; }
select { appearance: none; padding-right: 2.25rem; }
/* The chevron of a select: a background gradient pair (pure CSS, no image request). */
select {
  background-image:
    linear-gradient(45deg, transparent 50%, var(--c-ink-2) 50%),
    linear-gradient(135deg, var(--c-ink-2) 50%, transparent 50%);
  background-position: right 1.1rem center, right .75rem center;
  background-size: .35rem .35rem, .35rem .35rem;
  background-repeat: no-repeat;
}
select[multiple] { background-image: none; padding-right: var(--sp-3); }
input[type="file"] { max-width: 100%; font: inherit; }
input[type="file"]::file-selector-button {
  margin-right: var(--sp-3); min-height: 2.5rem; padding: 0 var(--sp-4); border: 1px solid var(--c-border-strong);
  border-radius: var(--r-md); background: transparent; color: var(--c-ink); font: inherit; font-weight: 550; cursor: pointer;
}
input[type="checkbox"], input[type="radio"] { width: 1.125rem; height: 1.125rem; margin: 0 var(--sp-2) 0 0; accent-color: var(--c-ink); vertical-align: -.15em; }
:where(input, select, textarea):hover:not(:focus, [disabled]) { border-color: var(--c-ink-2); }
:where(input, select, textarea):focus-visible { outline: 2px solid var(--c-focus); outline-offset: 1px; border-color: var(--c-ink); }
[aria-invalid="true"] { border: 2px solid var(--c-danger) !important; }
fieldset { margin: 0 0 var(--sp-4); padding: var(--sp-3) var(--sp-4) var(--sp-2); border: 1px solid var(--c-line-2); border-radius: var(--r-lg); min-width: 0; }
legend { padding: 0 var(--sp-2); font-weight: 600; }
label { font-size: var(--fs-sm); font-weight: 550; }
.c-form, .stacked-form { max-width: 40rem; }
.c-form > div, .c-form > p, .c-field, .stacked-form > div, .stacked-form > p, .stacked-form fieldset > div { margin: 0 0 var(--sp-4); }
.c-form label, .stacked-form label, .c-field > label { display: block; margin-bottom: 6px; }
.c-form :where(input:not([type="checkbox"], [type="radio"], [type="hidden"]), select, textarea),
.stacked-form :where(input:not([type="checkbox"], [type="radio"], [type="hidden"], [type="file"]), select, textarea) { width: 100%; }
.c-form label:has(> input[type="checkbox"], > input[type="radio"]),
.stacked-form label:has(> input[type="checkbox"], > input[type="radio"]),
.stacked-form label.inline-label, .c-field--inline label {
  display: inline-flex; align-items: flex-start; gap: var(--sp-1); font-size: var(--fs-md); font-weight: 450; margin: 0;
}
.c-form label:has(> input[type="checkbox"], > input[type="radio"]) input,
.stacked-form label:has(> input[type="checkbox"], > input[type="radio"]) input { margin-top: .2em; }
.c-form ul:has(input[type="checkbox"], input[type="radio"]),
.stacked-form ul:has(input[type="checkbox"], input[type="radio"]) { list-style: none; padding: 0; margin: 0; }
.c-form ul:has(input[type="radio"]) li, .stacked-form ul:has(input[type="radio"]) li,
.c-form ul:has(input[type="checkbox"]) li, .stacked-form ul:has(input[type="checkbox"]) li { margin: var(--sp-1) 0; }
/* A name search above a list: label, field and button on one line when there is room. */
.c-search-form { display: flex; flex-wrap: wrap; align-items: flex-end; gap: var(--sp-2) var(--sp-3); margin: 0 0 var(--sp-5); }
.c-search-form label { flex-basis: 100%; margin: 0; }
.c-form.c-search-form input[type="search"] { flex: 1 1 14rem; width: auto; max-width: 28rem; }
/* The student card: what is recorded, as a list of terms. */
.c-panel > .c-facts, .c-panel > .c-tags, .c-panel > .c-muted { margin: 0; padding: var(--sp-3) var(--sp-4); }
.c-panel__head .c-panel__note { margin: 0 0 0 auto; color: var(--c-text-muted); font-size: var(--fs-sm); }
.c-tags { display: flex; flex-wrap: wrap; gap: var(--sp-1); margin: 0; padding: 0; list-style: none; }
.c-facts { display: grid; grid-template-columns: minmax(8rem, max-content) 1fr; gap: var(--sp-2) var(--sp-4); margin: 0; }
.c-facts dt { color: var(--c-ink-3); font-family: var(--font-mono); font-size: var(--fs-mono); font-weight: 400; letter-spacing: var(--track-mono); text-transform: uppercase; padding-top: .2em; }
.c-facts dd { margin: 0; }
@media (max-width: 30rem) { .c-facts { grid-template-columns: 1fr; gap: 0; } .c-facts dd { margin-bottom: var(--sp-3); } }
.errorlist {
  margin: 6px 0 0; padding: 0; list-style: none; color: var(--c-danger-text); font-size: var(--fs-sm); font-weight: 550;
}
.errorlist li { display: flex; gap: var(--sp-1); align-items: flex-start; }
.errorlist li::before {
  content: ""; flex: none; width: 1.05em; height: 1.05em; margin-top: .15em; background: currentColor;
  -webkit-mask: var(--icon-danger) center / contain no-repeat; mask: var(--icon-danger) center / contain no-repeat;
}
.errorlist.nonfield, .c-form > .errorlist:first-child { padding: var(--sp-3) var(--sp-4); background: var(--c-danger-soft); box-shadow: inset 3px 0 0 var(--c-danger); border-radius: 0 var(--r-md) var(--r-md) 0; }
.c-form__actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); align-items: center; margin-top: var(--sp-5); }
@media (max-width: 47.99rem) { .c-form__actions > .c-btn, .c-form__actions > button { width: 100%; } }
/* Filters as a segmented row of links (one current, never pills). */
.filters, .c-filters { display: flex; flex-wrap: wrap; gap: var(--sp-2) var(--sp-3); align-items: center; margin: var(--sp-4) 0; }
.filters > * { min-width: 0; max-width: 100%; }
.filters [aria-current] { font-weight: 650; color: var(--c-ink); text-decoration: none; }
.filters > a {
  display: inline-flex; align-items: center; min-height: 2.25rem; padding: 0 var(--sp-3); border-radius: var(--r-md);
  background: var(--c-sheet); box-shadow: inset 0 0 0 1px var(--c-line-2); color: var(--c-ink-2); text-decoration: none; font-size: var(--fs-sm); font-weight: 550;
}
.filters > a:hover { color: var(--c-ink); box-shadow: inset 0 0 0 1px var(--c-ink-3); }
.filters > a[aria-current] { color: var(--c-ink); box-shadow: inset 0 0 0 1px var(--c-ink), inset 0 -3px 0 var(--c-ink); }

/* ------------------------------------------------------------------ tables */
/* A white sheet with hairlines; headers in mono capitals; numbers tabular. */
table, .c-table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; line-height: 1.4; }
th, td { padding: .625rem var(--sp-4); border: 0; border-bottom: 1px solid var(--c-line); text-align: left; vertical-align: top; }
thead th {
  padding-top: var(--sp-3); background: var(--c-sheet); color: var(--c-ink-3); font-family: var(--font-mono); font-size: var(--fs-mono);
  font-weight: 400; letter-spacing: var(--track-mono); text-transform: uppercase; border-bottom: 1px solid var(--c-line-2); white-space: nowrap;
}
tbody tr:hover > * { background: var(--c-paper); }
th[scope="row"] { font-weight: 600; }
caption { padding: 0 0 var(--sp-3); text-align: left; font-weight: 600; color: var(--c-text); caption-side: top; }
.c-table__actions { text-align: right; white-space: nowrap; }
.c-table-scroll {
  position: relative; max-width: 100%; overflow-x: auto; margin: 0 0 var(--sp-5);
  border-radius: var(--r-lg); box-shadow: var(--sh-1), 0 0 0 1px var(--c-line);
  background:
    linear-gradient(to right, var(--c-sheet) 30%, transparent) left / 2rem 100% no-repeat local,
    linear-gradient(to left, var(--c-sheet) 30%, transparent) right / 2rem 100% no-repeat local,
    linear-gradient(to right, rgb(26 27 31 / .12), transparent) left / .75rem 100% no-repeat scroll,
    linear-gradient(to left, rgb(26 27 31 / .12), transparent) right / .75rem 100% no-repeat scroll,
    var(--c-sheet);
}
.c-table-scroll > table { margin: 0; }
.c-table-scroll caption { padding: var(--sp-4) var(--sp-4) var(--sp-2); color: var(--c-ink-3); font-family: var(--font-mono); font-size: var(--fs-mono); font-weight: 400; letter-spacing: var(--track-mono); text-transform: uppercase; }
.c-table-scroll tr:last-child > * { border-bottom: 0; }
.c-table-scroll:focus-visible { outline: 2px solid var(--c-focus); outline-offset: 2px; }

/* ------------------------------------------------------------------ cards: a held sheet, not a soup */
.c-card {
  display: flex; flex-direction: column; gap: var(--sp-3); padding: 1.25rem; background: var(--c-sheet);
  border-radius: var(--r-lg); box-shadow: var(--sh-1), 0 0 0 1px var(--c-line); min-width: 0;
}
.c-card__title { min-width: 0; margin: 0; font-family: var(--font-display); font-size: var(--fs-xl); font-weight: 650; line-height: 1.15; letter-spacing: var(--track-display); font-variation-settings: "wdth" 92, "opsz" 24; }
.c-card__icon { display: inline-grid; place-items: center; width: 2rem; height: 2rem; flex: none; color: var(--c-ink-3); }
.c-card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr)); gap: var(--sp-4); margin: 0 0 var(--sp-6); padding: 0; list-style: none; }
.c-card-grid > li { display: flex; }
.c-card-grid > li > .c-card { flex: 1; }

/* Progress meter ("13 de 25 han respost"): an instrument track, ink fill. */
.c-meter { display: block; width: 100%; height: 6px; border-radius: 1px; background: var(--c-paper-2); overflow: hidden; }
progress.c-meter { appearance: none; border: 0; }
progress.c-meter::-webkit-progress-bar { background: var(--c-paper-2); border-radius: 1px; }
progress.c-meter::-webkit-progress-value { background: var(--c-ink-2); border-radius: 1px; }
progress.c-meter::-moz-progress-bar { background: var(--c-ink-2); border-radius: 1px; }
progress { width: 100%; max-width: 24rem; accent-color: var(--c-ink-2); }

/* ------------------------------------------------------------------ badges and tags: quiet, mono, no pills */
.c-badge, .badge {
  display: inline-flex; align-items: center; gap: var(--sp-1); min-height: 1.25rem; padding: 0 5px; box-sizing: border-box;
  border: 1px solid var(--c-line-2); border-radius: var(--r-sm); background: transparent;
  color: var(--c-ink-2); font-family: var(--font-mono); font-size: .625rem; font-weight: 400; letter-spacing: .04em;
  line-height: 1.2; text-transform: uppercase; white-space: nowrap; vertical-align: middle;
}
.c-badge .icon, .badge .icon { width: 1em; height: 1em; }
.c-badge--open, .c-badge--popular, .c-badge--success { border-color: currentColor; color: var(--c-success-text); }
.c-badge--draft, .c-badge--neglected, .c-badge--isolated,
.c-badge--alone, .badge-alone, .c-badge--warning { border-color: currentColor; color: var(--c-warning-text); }
.c-badge--rejected, .c-badge--conflict, .badge-conflict, .c-badge--danger { border-color: currentColor; color: var(--c-danger-text); }
.c-badge--controversial, .c-badge--manual, .badge-manual { border-color: currentColor; color: var(--c-accent-2-text); }
.c-badge--locked, .badge-locked, .c-badge--info, .c-badge--role { border-color: currentColor; color: var(--c-info-text); }
.c-badge--closed, .c-badge--average, .c-badge--flag, .badge-flag, .c-badge--gender, .badge-band { border-color: var(--c-ink); color: var(--c-ink); }

/* Legend of classification badges */
.c-legend { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); gap: var(--sp-2) var(--sp-5); margin: 0 0 var(--sp-5); padding: var(--sp-3) 0; border-top: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); }
.c-legend > div { display: flex; gap: var(--sp-2); align-items: baseline; }
.c-legend dt { flex: none; margin: 0; }
.c-legend dd { margin: 0; font-size: var(--fs-sm); color: var(--c-text-muted); }

/* ------------------------------------------------------------------ alerts and toasts */
/* A tint and a 3 px rule of the kind's colour; the icon and the words carry the meaning. */
.c-alert, .notice {
  --alert-fg: var(--c-info-text); --alert-bg: var(--c-info-soft); --alert-line: var(--c-info); --alert-icon: var(--icon-info);
  position: relative; display: block; margin: 0 0 var(--sp-4); padding: var(--sp-3) var(--sp-4) var(--sp-3) 2.625rem;
  border-radius: 0 var(--r-md) var(--r-md) 0; background: var(--alert-bg); box-shadow: inset 3px 0 0 var(--alert-line);
  color: var(--c-ink); max-width: 100%; font-size: var(--fs-md);
}
.c-alert::before, .notice::before {
  content: ""; position: absolute; left: .875rem; top: calc(var(--sp-3) + .15em); width: 1.125rem; height: 1.125rem;
  background: var(--alert-fg); -webkit-mask: var(--alert-icon) center / contain no-repeat; mask: var(--alert-icon) center / contain no-repeat;
}
.c-alert > :last-child, .notice > :last-child { margin-bottom: 0; }
.c-alert a, .notice a { color: var(--c-ink); font-weight: 600; text-decoration-color: currentColor; }
.c-alert--success { --alert-fg: var(--c-success-text); --alert-bg: var(--c-success-soft); --alert-line: var(--c-success); --alert-icon: var(--icon-success); }
.c-alert--warning, .notice { --alert-fg: var(--c-warning-text); --alert-bg: var(--c-warning-soft); --alert-line: var(--c-warning); --alert-icon: var(--icon-warning); }
.c-alert--danger, .alert { --alert-fg: var(--c-danger-text); --alert-bg: var(--c-danger-soft); --alert-line: var(--c-danger); --alert-icon: var(--icon-danger); }
.c-alert--info { --alert-fg: var(--c-info-text); --alert-bg: var(--c-info-soft); --alert-line: var(--c-info); --alert-icon: var(--icon-info); }
.c-alert--privacy { --alert-fg: var(--c-ink-2); --alert-bg: var(--c-sheet); --alert-line: var(--c-ink); --alert-icon: var(--icon-lock); }
.c-alert__title { display: block; margin: 0 0 var(--sp-1); font-weight: 650; color: var(--alert-fg); }
.c-alert__close {
  position: absolute; top: 0; right: 0; min-height: var(--h-touch); min-width: var(--h-touch); padding: 0;
  border: 0; background: transparent; color: var(--c-ink-3);
}
.c-alert__close:hover { background: transparent; color: var(--c-ink); transform: none; box-shadow: none; }
.c-alert--dismissible { padding-right: 3rem; }
.c-messages { list-style: none; margin: 0 0 var(--sp-4); padding: 0; }
/* Live statuses become toasts anchored bottom-centre (board, grid): ink, rising. */
.c-toast, .grid-status, .board-status {
  position: fixed; left: 50%; bottom: var(--sp-5); z-index: 900; width: max-content;
  max-width: min(36rem, calc(100vw - 2rem)); margin: 0; padding: var(--sp-3) var(--sp-5); transform: translateX(-50%);
  border-radius: var(--r-md); background: var(--c-ink); color: var(--c-paper); box-shadow: var(--sh-3);
  font-size: var(--fs-sm); font-weight: 500; animation: c-toast 500ms var(--spring);
}
.c-toast:empty, .grid-status:empty, .board-status:empty { display: none; }
.c-toast a, .grid-status a, .board-status a { color: inherit; font-weight: 600; text-decoration-color: currentColor; }
@keyframes c-toast { from { opacity: 0; transform: translate(-50%, 14px); } to { opacity: 1; transform: translate(-50%, 0); } }

/* ------------------------------------------------------------------ empty states: words, not pictures */
.c-empty { display: flex; flex-direction: column; align-items: flex-start; gap: var(--sp-2); margin: 0 0 var(--sp-5); padding: var(--sp-5) 0 var(--sp-6); text-align: left; border-top: 1px solid var(--c-ink); }
.c-empty--plain { border-top-color: var(--c-line); padding: var(--sp-4) 0; }
.c-empty__icon { display: none; }
.c-empty__title { margin: 0; font-family: var(--font-display); font-size: var(--fs-3xl); font-weight: 700; line-height: 1.05; letter-spacing: var(--track-display); font-variation-settings: "wdth" 90, "opsz" 32; color: var(--c-ink); max-width: 24ch; }
.c-empty--plain .c-empty__title { font-size: var(--fs-xl); }
.c-empty__text { margin: 0; max-width: 52ch; color: var(--c-ink-2); }
.c-empty__actions { display: flex; flex-wrap: wrap; gap: var(--sp-2) var(--sp-4); align-items: center; margin: var(--sp-2) 0 0; }

/* ------------------------------------------------------------------ help panel, dialogs */
.c-help, .help-panel { margin: 0 0 var(--sp-5); padding: 0; border-radius: 0 var(--r-md) var(--r-md) 0; background: var(--c-sheet); box-shadow: inset 3px 0 0 var(--c-ink), var(--sh-1); }
.c-help > summary, .help-panel > summary {
  display: flex; align-items: center; gap: var(--sp-2); min-height: var(--h-touch); padding: 0 var(--sp-4);
  color: var(--c-ink); font-weight: 600; cursor: pointer; list-style: none;
}
.c-help > summary::-webkit-details-marker, .help-panel > summary::-webkit-details-marker { display: none; }
.c-help > summary::after, .help-panel > summary::after {
  content: ""; width: 1rem; height: 1rem; margin-left: auto; background: currentColor;
  -webkit-mask: var(--icon-chevron) center / contain no-repeat; mask: var(--icon-chevron) center / contain no-repeat;
  transition: transform var(--dur-2) var(--spring);
}
.c-help[open] > summary::after, .help-panel[open] > summary::after { transform: rotate(180deg); }
.c-help > :not(summary), .help-panel > :not(summary) { margin: 0 var(--sp-4) var(--sp-3); max-width: 65ch; }
.c-help ol, .help-panel ol { padding-left: var(--sp-5); }
.c-help li + li, .help-panel li + li { margin-top: var(--sp-1); }

.c-dialog--page, .c-auth {
  max-width: var(--w-narrow); margin: var(--sp-4) auto 0; padding: var(--sp-6) var(--sp-5);
  background: var(--c-sheet); border-radius: var(--r-xl); box-shadow: var(--sh-2), 0 0 0 1px var(--c-line);
}
.c-auth__brand { display: flex; align-items: center; gap: var(--sp-3); margin: 0 0 var(--sp-5); }
.c-auth__brand img { width: 48px; height: 48px; }
.c-auth h1, .c-dialog--page h1 { font-size: var(--fs-4xl); }
.c-auth .c-form, .c-auth .stacked-form { max-width: none; }
.c-auth button[type="submit"], .c-auth .c-form__actions .c-btn { width: 100%; }
.c-auth__links { margin: var(--sp-5) 0 0; padding-top: var(--sp-4); border-top: 1px solid var(--c-line); font-size: var(--fs-sm); }
@media (max-width: 30rem) { .c-dialog--page, .c-auth { margin-top: 0; padding: var(--sp-5) var(--sp-4); box-shadow: none; } }

/* Onboarding stepper (aria-current="step" kept): numbered, mono, an ink rule on the current. */
.c-stepper, .steps { display: flex; flex-wrap: wrap; gap: 0; list-style: none; margin: 0 0 var(--sp-6); padding: 0; counter-reset: step; border-bottom: 1px solid var(--c-line); }
.c-stepper li, .steps li {
  counter-increment: step; display: inline-flex; align-items: center; gap: var(--sp-2); min-height: var(--h-touch); padding: 0 var(--sp-4) 0 0; margin-right: var(--sp-3);
  color: var(--c-ink-3); font-size: var(--fs-sm); box-shadow: inset 0 -2px 0 transparent;
}
.c-stepper li::before, .steps li::before { content: counter(step, decimal-leading-zero); font-family: var(--font-mono); font-size: var(--fs-mono); }
.c-stepper [aria-current="step"], .steps [aria-current="step"] { color: var(--c-ink); font-weight: 600; box-shadow: inset 0 -2px 0 var(--c-ink); }

/* ------------------------------------------------------------------ lists of things */
.group-list { list-style: none; margin: 0 0 var(--sp-5); padding: 0; }
.c-level { margin: 0 0 var(--sp-5); }
.c-level__title { margin: 0 0 var(--sp-2); font-size: var(--fs-xl); }
.c-chip {
  display: inline-flex; flex-direction: column; gap: 0; padding: var(--sp-2) var(--sp-4); min-width: 9rem; border-radius: var(--r-md);
  background: var(--c-sheet); box-shadow: 0 0 0 1px var(--c-line); text-decoration: none; color: var(--c-ink);
  transition: box-shadow var(--dur-2) var(--ease), transform 250ms var(--spring);
}
.c-chip:hover { color: var(--c-ink); box-shadow: var(--sh-hover); transform: translateY(-1px); }
.c-chip strong { color: var(--c-ink); }
.c-chip span { font-size: var(--fs-sm); color: var(--c-text-muted); }
.c-section { margin: var(--sp-7) 0 0; }
.c-section__title { display: flex; align-items: center; gap: var(--sp-2); margin: 0 0 var(--sp-4); font-size: var(--fs-2xl); }
.summary { columns: 2 16rem; }

/* ------------------------------------------------------------------ sociogram */
.graph { height: 36rem; margin: var(--sp-4) 0; border-radius: var(--r-lg); background: var(--c-sheet); box-shadow: var(--sh-1), 0 0 0 1px var(--c-line); }
.participation progress { vertical-align: middle; }

/* Warning before the session ends (js/session.js, OI-161). */
.session-warning {
  position: fixed; left: var(--sp-4); right: var(--sp-4); bottom: var(--sp-4); z-index: 950; max-width: 40rem; margin: 0 auto;
  padding: var(--sp-4) var(--sp-5); background: var(--c-sheet); color: var(--c-ink); border-radius: 0 var(--r-lg) var(--r-lg) 0;
  box-shadow: inset 4px 0 0 var(--c-warning), var(--sh-3), 0 0 0 1px var(--c-line);
}
.session-warning h2 { font-size: var(--fs-2xl); margin: 0 0 var(--sp-1); }
.session-warning p { margin: 0 0 var(--sp-2); }
.session-warning[hidden], .session-warning [hidden] { display: none; }

/* ------------------------------------------------------------------ forced colours */
@media (forced-colors: active) {
  .c-badge, .badge, .c-alert, .notice, .c-card, .c-help, .help-panel, .c-menu__panel, .c-toast,
  .grid-status, .board-status, .c-empty, .c-chip, .c-table-scroll, .session-warning {
    border: 1px solid CanvasText; box-shadow: none;
  }
  .c-alert::before, .notice::before, .errorlist li::before, .c-help > summary::after, .help-panel > summary::after {
    forced-color-adjust: none; background: CanvasText;
  }
  .c-btn, .button, button { border: 1px solid ButtonText; }
  .c-stepper [aria-current="step"], .steps [aria-current="step"], .filters > a[aria-current], .c-menu__item[aria-current] { outline: 2px solid CanvasText; }
  select { background-image: none; }
}

/* ------------------------------------------------------------------ print */
@media print {
  @page { size: A4; margin: 12mm; }
  .c-header, .skip-link, .c-crumbs, .breadcrumbs, .c-help, .help-panel, .c-toast, .grid-status, .board-status,
  .c-messages, .session-warning, .no-print, .c-page__actions, .c-tour, .c-menu, .c-alert__close, .icon-sprite,
  #tour-root, .c-tour-hint { display: none !important; }
  body { background: #fff; color: #000; }
  main { max-width: none; padding: 0; }
  a { color: inherit; text-decoration: none; }
  .c-card, .c-table-scroll { box-shadow: none; border: 1px solid #999; overflow: visible; background: #fff; }
  thead { display: table-header-group; }
  tr, .c-card, .code-card { break-inside: avoid; }
  .c-card-grid { display: block; }
  .c-card-grid > * { margin-bottom: var(--sp-4); }
}

.c-staff-invite { margin-bottom: var(--sp-6); }
.c-staff-invite .stacked-form { max-width: 40rem; }
/* allauth's own pages (password reset, …) render inside main: same narrow sheet. */
.is-auth main {
  max-width: var(--w-narrow); margin-top: var(--sp-6); padding: var(--sp-6) var(--sp-5);
  background: var(--c-sheet); border-radius: var(--r-xl); box-shadow: var(--sh-2), 0 0 0 1px var(--c-line);
}
.is-auth main button[type="submit"] { width: 100%; }
@media (max-width: 30rem) { .is-auth main { margin-top: 0; box-shadow: none; padding: var(--sp-5) var(--gutter); } }
.c-auth--wide { max-width: 44rem; }
.c-auth form + form { margin-top: var(--sp-3); }
/* Audit log: plain-words details, technical record folded (NU-5). */
.c-audit-details { margin: 0; padding: 0; list-style: none; font-size: var(--fs-sm); }
.c-tech { margin-top: var(--sp-1); font-size: var(--fs-xs); color: var(--c-text-muted); }
.c-tech > summary { cursor: pointer; }
.c-tech code { overflow-wrap: anywhere; }
.c-homonym { color: var(--c-text-muted); font-variant-numeric: tabular-nums; }
/* Row menus of a table (staff, NU-24): a native <details> that opens inside its cell. */
.c-row-menu > summary { display: inline-flex; align-items: center; min-height: var(--h-touch); color: var(--c-ink); font-weight: 600; text-decoration: underline; text-decoration-color: var(--c-line-2); text-underline-offset: 3px; cursor: pointer; }
.c-row-menu__panel { display: grid; justify-items: start; gap: var(--sp-2); padding: var(--sp-2) 0; }
/* Workspace pages: a quiet disclosure for secondary content, the one-line audit notice,
   progress rows and the sticky save bar of long forms. */
.c-disclosure { margin: var(--sp-3) 0 0; }
.c-disclosure > summary {
  display: inline-flex; align-items: center; gap: var(--sp-2); min-height: var(--h-touch); color: var(--c-ink);
  font-weight: 600; cursor: pointer;
}
.c-disclosure[open] > summary { margin-bottom: var(--sp-2); }
.c-lock-line { display: flex; align-items: center; gap: var(--sp-2); margin: 0 0 var(--sp-4); color: var(--c-text-muted); font-size: var(--fs-sm); }
.c-lock-line .icon { width: 1rem; height: 1rem; }
.c-progress-line { display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-2) var(--sp-4); margin: 0 0 var(--sp-4); }
.c-progress-line__text { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; }
.c-progress-line .c-meter { flex: 1 1 12rem; max-width: 24rem; }
.c-sticky-bar {
  position: sticky; bottom: 0; z-index: 40; display: flex; flex-wrap: wrap; align-items: center; gap: var(--sp-2) var(--sp-4);
  margin: var(--sp-4) 0 0; padding: var(--sp-3) var(--sp-4); background: var(--c-sheet);
  border-radius: var(--r-lg); box-shadow: var(--sh-2), 0 0 0 1px var(--c-line);
}
.c-sticky-bar__text { margin: 0; color: var(--c-text-muted); font-size: var(--fs-sm); }
.c-sticky-bar .c-btn { margin-left: auto; }
@media print { .c-sticky-bar { position: static; box-shadow: none; } }
/* Privacy and audit: the filters in one row, labels above (wrap on narrow screens). */
.audit-filters { display: flex; flex-wrap: wrap; align-items: flex-end; gap: var(--sp-2) var(--sp-3); margin: var(--sp-3) 0 var(--sp-4); }
.audit-filters > p { display: flex; flex-direction: column; gap: var(--sp-1); margin: 0; min-width: 0; }
.audit-filters label { font-size: var(--fs-sm); font-weight: 550; }
.audit-filters input, .audit-filters select { min-height: 2.5rem; padding-block: var(--sp-1); }
.audit-filters__field--action, .audit-filters__field--actor { flex: 1 1 13rem; max-width: 18rem; }
.audit-filters__field--action select, .audit-filters__field--actor select, .audit-filters__field--action input { width: 100%; }
.audit-filters__field--student { flex: 1 1 10rem; max-width: 14rem; }
.audit-filters__field--date_from input, .audit-filters__field--date_to input { width: 10.5rem; }
.audit-filters .audit-filters__check { flex-direction: row; align-items: center; min-height: 2.5rem; }
.audit-filters__check label { font-weight: 450; }
.audit-filters .audit-filters__actions { flex-direction: row; align-items: center; gap: var(--sp-3); min-height: 2.5rem; }