/* =============================================================================
   Lunoro – design system
   -----------------------------------------------------------------------------
   Concept "Sešit": blue-black school ink on cool paper, the red margin line of
   a Czech exercise book as the signature element, GMVV cyan for everything
   interactive. See docs/DESIGN_SYSTEM.md.

   Layers: tokens → base → layout → components → utilities → print
   ============================================================================= */

/* ---------------------------------------------------------------- fonts --- */
@font-face {
  font-family: "Atkinson Hyperlegible Next";
  font-style: normal;
  font-display: swap;
  font-weight: 200 800;
  src: url("../fonts/atkinson-hyperlegible-next-latin-ext-wght-normal.woff2") format("woff2-variations");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Atkinson Hyperlegible Next";
  font-style: normal;
  font-display: swap;
  font-weight: 200 800;
  src: url("../fonts/atkinson-hyperlegible-next-latin-wght-normal.woff2") format("woff2-variations");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Atkinson Hyperlegible Next";
  font-style: italic;
  font-display: swap;
  font-weight: 200 800;
  src: url("../fonts/atkinson-hyperlegible-next-latin-ext-wght-italic.woff2") format("woff2-variations");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Atkinson Hyperlegible Next";
  font-style: italic;
  font-display: swap;
  font-weight: 200 800;
  src: url("../fonts/atkinson-hyperlegible-next-latin-wght-italic.woff2") format("woff2-variations");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Bricolage Grotesque";
  font-style: normal;
  font-display: swap;
  font-weight: 200 800;
  src: url("../fonts/bricolage-grotesque-latin-ext-wght-normal.woff2") format("woff2-variations");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Bricolage Grotesque";
  font-style: normal;
  font-display: swap;
  font-weight: 200 800;
  src: url("../fonts/bricolage-grotesque-latin-wght-normal.woff2") format("woff2-variations");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* --------------------------------------------------------------- tokens --- */
:root {
  color-scheme: light;

  /* Palette */
  --paper: #f4f7f8;          /* app background – cool, not cream */
  --sheet: #ffffff;          /* content surfaces */
  --sheet-sunk: #eef3f5;     /* table headers, inset areas */
  --ink: #17233b;            /* blue-black school ink – text & sidebar */
  --ink-soft: #4a5a70;       /* secondary text */
  --ink-faint: #6b7a8e;      /* placeholders, meta (AA on sheet) */
  --rule: #d5e0e5;           /* hairlines & borders */
  --rule-strong: #b7c7cf;
  --cyan: #27b7d9;           /* GMVV brand cyan – indicators, focus */
  --cyan-ink: #086f87;       /* cyan dark enough for text & buttons (AA) */
  --cyan-wash: #e3f5fa;      /* selected rows, active nav background */
  --on-accent: #ffffff;      /* text on cyan-ink / ok / bad buttons */
  --margin: #d2453a;         /* exercise-book margin line */

  /* Semantic */
  --ok: #2e7a4f;    --ok-wash: #e5f3eb;
  --wait: #a86410;  --wait-wash: #fbf0de;
  --bad: #b4342a;   --bad-wash: #fbe7e5;
  --info: var(--cyan-ink); --info-wash: var(--cyan-wash);

  /* Sidebar */
  --nav-bg: #17233b;
  --nav-fg: #e6edf5;
  --nav-fg-soft: #a9b8cc;
  --nav-hover: #22314d;
  --nav-active: #27b7d9;

  /* Type */
  --font-ui: "Atkinson Hyperlegible Next", "Segoe UI", system-ui, sans-serif;
  --font-display: "Bricolage Grotesque", "Atkinson Hyperlegible Next", system-ui, sans-serif;
  --fs-xs: 0.8125rem;   /* 13 */
  --fs-sm: 0.875rem;    /* 14 */
  --fs-md: 1rem;        /* 16 */
  --fs-lg: 1.2rem;      /* 19.2 */
  --fs-xl: 1.44rem;     /* 23 */
  --fs-2xl: 1.728rem;   /* 27.6 */
  --fs-3xl: 2.0736rem;  /* 33.2 */
  --lh: 1.55;

  /* Space & shape */
  --s-1: 0.25rem; --s-2: 0.5rem; --s-3: 0.75rem; --s-4: 1rem;
  --s-5: 1.5rem;  --s-6: 2rem;   --s-7: 3rem;    --s-8: 4rem;
  --r-sm: 6px;
  --r-md: 10px;
  --shadow-pop: 0 12px 32px rgba(23, 35, 59, 0.18), 0 2px 6px rgba(23, 35, 59, 0.08);
  --focus: 0 0 0 3px var(--sheet), 0 0 0 5px var(--cyan);

  --sidebar-w: 17rem;
  --topbar-h: 3.75rem;
  --margin-x: 2.75rem;       /* distance of the margin line from the sheet edge */
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --paper: #0e1a2e;
    --sheet: #152238;
    --sheet-sunk: #1b2a44;
    --ink: #e6edf5;
    --ink-soft: #b4c2d3;
    --ink-faint: #9aaabf;
    --rule: #2a3a56;
    --rule-strong: #3a4d6e;
    --cyan-ink: #5fcde6;
    --cyan-wash: #163a4a;
    --on-accent: #0e1a2e;
    --margin: #e0675d;
    --ok: #6cc596;   --ok-wash: #173a2a;
    --wait: #e7aa52; --wait-wash: #3d2c12;
    --bad: #f08a80;  --bad-wash: #45201d;
    --nav-bg: #0a1424;
    --nav-hover: #15233a;
    --shadow-pop: 0 12px 32px rgba(0, 0, 0, 0.5);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #0e1a2e; --sheet: #152238; --sheet-sunk: #1b2a44;
  --ink: #e6edf5; --ink-soft: #b4c2d3; --ink-faint: #9aaabf;
  --rule: #2a3a56; --rule-strong: #3a4d6e;
  --cyan-ink: #5fcde6; --cyan-wash: #163a4a; --margin: #e0675d; --on-accent: #0e1a2e;
  --ok: #6cc596; --ok-wash: #173a2a; --wait: #e7aa52; --wait-wash: #3d2c12;
  --bad: #f08a80; --bad-wash: #45201d; --nav-bg: #0a1424; --nav-hover: #15233a;
  --shadow-pop: 0 12px 32px rgba(0, 0, 0, 0.5);
}

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: var(--fs-md);
  line-height: var(--lh);
  font-variant-numeric: tabular-nums;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 650;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 var(--s-3);
  text-wrap: balance;
}
h1 { font-size: var(--fs-3xl); font-weight: 700; }
h2 { font-size: var(--fs-xl); }
h3 { font-size: var(--fs-lg); }
h4 { font-size: var(--fs-md); }

p { margin: 0 0 var(--s-4); max-width: 75ch; }

a { color: var(--cyan-ink); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }

img, svg { max-width: 100%; }
hr { border: 0; border-top: 1px solid var(--rule); margin: var(--s-5) 0; }
small { font-size: var(--fs-sm); }
code, kbd { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.9em; }

:focus-visible { outline: none; box-shadow: var(--focus); border-radius: var(--r-sm); }

.icon {
  width: 1.15em;
  height: 1.15em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  vertical-align: -0.2em;
}

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

.skip-link {
  position: absolute;
  left: var(--s-4);
  top: -3rem;
  z-index: 100;
  padding: var(--s-2) var(--s-4);
  background: var(--ink);
  color: var(--sheet);
  border-radius: var(--r-sm);
}
.skip-link:focus { top: var(--s-3); }

[hidden] { display: none !important; }

/* --------------------------------------------------------------- layout --- */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  background: var(--nav-bg);
  color: var(--nav-fg);
  display: flex;
  flex-direction: column;
  scrollbar-width: thin;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-4) var(--s-5);
  min-height: var(--topbar-h);
  color: var(--nav-fg);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.brand img { width: 2.25rem; height: 2.25rem; border-radius: 50%; background: #fff; padding: 2px; }
.brand-name { font-family: var(--font-display); font-weight: 700; font-size: var(--fs-lg); line-height: 1.1; }
.brand-sub { display: block; font-family: var(--font-ui); font-weight: 400; font-size: var(--fs-xs); color: var(--nav-fg-soft); }

.nav { padding: var(--s-3) var(--s-3) var(--s-6); flex: 1; }
.nav ul { list-style: none; margin: 0; padding: 0; }
.nav-group + .nav-group { margin-top: var(--s-2); }

.nav a,
.nav-toggle {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  width: 100%;
  padding: 0.55rem var(--s-3);
  border: 0;
  border-radius: var(--r-sm);
  background: none;
  color: var(--nav-fg);
  font: inherit;
  font-size: var(--fs-sm);
  text-align: left;
  text-decoration: none;
  cursor: pointer;
}
.nav a:hover, .nav-toggle:hover { background: var(--nav-hover); }
.nav .icon { color: var(--nav-fg-soft); }
.nav-toggle .chevron { margin-left: auto; transition: transform 0.15s ease; }
.nav-toggle[aria-expanded="true"] .chevron { transform: rotate(90deg); }
.nav-sub { margin: 2px 0 var(--s-2) 1.35rem !important; padding-left: var(--s-3) !important; border-left: 1px solid rgba(255, 255, 255, 0.12); }
.nav-sub a { color: var(--nav-fg-soft); padding: 0.4rem var(--s-3); }
.nav-sub a:hover { color: var(--nav-fg); }

.nav a[aria-current="page"] {
  background: var(--nav-hover);
  color: #fff;
  box-shadow: inset 3px 0 0 var(--nav-active);
}
.nav a[aria-current="page"] .icon { color: var(--nav-active); }

.nav-badge {
  margin-left: auto;
  min-width: 1.5rem;
  padding: 0 0.45rem;
  border-radius: 999px;
  background: var(--margin);
  color: #fff;
  font-size: var(--fs-xs);
  font-weight: 700;
  text-align: center;
}

.main { min-width: 0; display: flex; flex-direction: column; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: var(--s-4);
  min-height: var(--topbar-h);
  padding: 0 var(--s-5);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--rule);
}
.topbar-title { font-size: var(--fs-sm); color: var(--ink-soft); flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.menu-button { display: none; }

.userbox { display: flex; align-items: center; gap: var(--s-3); }
.userbox-text { text-align: right; line-height: 1.25; color: var(--ink); text-decoration: none; padding: var(--s-1) var(--s-2); border-radius: var(--r-sm); }
.userbox-text:hover { background: var(--sheet-sunk); }
.userbox-name { display: block; font-weight: 700; font-size: var(--fs-sm); }
.userbox-role { display: block; font-size: var(--fs-xs); color: var(--ink-soft); max-width: 22rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* The sheet: main content area with the exercise-book margin line */
.sheet {
  position: relative;
  flex: 1;
  margin: var(--s-5);
  padding: var(--s-6) var(--s-6) var(--s-7) calc(var(--margin-x) + var(--s-5));
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
}
.sheet::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--margin-x);
  width: 2px;
  background: var(--margin);
  opacity: 0.75;
  pointer-events: none;
}

.page-head { margin-bottom: var(--s-6); }
.page-head h1 { margin-bottom: var(--s-2); }
.page-head p { color: var(--ink-soft); margin-bottom: 0; }
.page-head-row { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--s-4); }
.page-actions { display: flex; flex-wrap: wrap; gap: var(--s-2); }

.section + .section { margin-top: var(--s-7); }
.section-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: var(--s-3); margin-bottom: var(--s-4); }
.section-head h2 { margin: 0; }
.section-head .meta { color: var(--ink-soft); font-size: var(--fs-sm); }

.footer {
  padding: var(--s-4) var(--s-5) var(--s-5);
  font-size: var(--fs-xs);
  color: var(--ink-faint);
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2) var(--s-5);
}
.footer a { color: inherit; }

.grid { display: grid; gap: var(--s-5); }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 16rem), 1fr)); }
.stack > * + * { margin-top: var(--s-4); }
.cluster { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2); }
.narrow { max-width: 40rem; }
.wide { max-width: 64rem; }

/* ------------------------------------------------------------- panels --- */
.panel {
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  background: var(--sheet);
}
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); padding: var(--s-4) var(--s-5); border-bottom: 1px solid var(--rule); }
.panel-head h2, .panel-head h3 { margin: 0; font-size: var(--fs-lg); }
.panel-body { padding: var(--s-5); }
.panel-foot { padding: var(--s-3) var(--s-5); border-top: 1px solid var(--rule); background: var(--sheet-sunk); border-radius: 0 0 var(--r-md) var(--r-md); }

/* Key figures – a short label above a number, used sparingly on overviews */
.figures { display: flex; flex-wrap: wrap; gap: var(--s-2) var(--s-6); margin: 0 0 var(--s-5); padding: 0; list-style: none; }
.figures li { display: flex; flex-direction: column; }
.figures .figure-value { font-family: var(--font-display); font-size: var(--fs-2xl); font-weight: 700; line-height: 1.1; }
.figures .figure-label { font-size: var(--fs-sm); color: var(--ink-soft); }

/* ------------------------------------------------------------ buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  min-height: 2.5rem;
  padding: 0.45rem 1rem;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  background: var(--cyan-ink);
  color: var(--on-accent);
  font: inherit;
  font-weight: 700;
  font-size: var(--fs-sm);
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.12s ease, border-color 0.12s ease;
}
.btn:hover { background: color-mix(in srgb, var(--cyan-ink) 85%, var(--ink)); }
.btn:disabled, .btn[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; }

.btn-secondary { background: var(--sheet); color: var(--ink); border-color: var(--rule-strong); }
.btn-secondary:hover { background: var(--sheet-sunk); }
.btn-ghost { background: transparent; color: var(--cyan-ink); }
.btn-ghost:hover { background: var(--cyan-wash); }
.btn-danger { background: var(--bad); }
.btn-danger:hover { background: color-mix(in srgb, var(--bad) 85%, var(--ink)); }
.btn-ok { background: var(--ok); }
.btn-ok:hover { background: color-mix(in srgb, var(--ok) 85%, var(--ink)); }
.btn-sm { min-height: 2rem; padding: 0.25rem 0.65rem; font-size: var(--fs-xs); }
.btn-icon { min-width: 2.5rem; padding: 0.45rem; }
.btn-sm.btn-icon { min-width: 2rem; padding: 0.25rem; }
.btn-block { width: 100%; }

.icon-button {
  display: inline-grid;
  place-items: center;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  background: none;
  color: inherit;
  cursor: pointer;
}
.icon-button:hover { background: var(--sheet-sunk); border-color: var(--rule); }

/* -------------------------------------------------------------- forms --- */
.form { max-width: 40rem; }
.form-wide { max-width: none; }
.field { margin-bottom: var(--s-4); }
.field-row { display: grid; gap: var(--s-4); grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr)); }

label, .label {
  display: block;
  margin-bottom: var(--s-1);
  font-weight: 700;
  font-size: var(--fs-sm);
}
.label-hint, .hint { display: block; font-weight: 400; color: var(--ink-soft); font-size: var(--fs-xs); margin-top: var(--s-1); }
.required::after { content: " *"; color: var(--bad); }

input:not([type]), input[type="text"], input[type="email"], input[type="password"], input[type="number"],
input[type="date"], input[type="datetime-local"], input[type="time"], input[type="search"],
input[type="tel"], input[type="url"], input[type="month"], input[type="file"],
select, textarea {
  display: block;
  width: 100%;
  min-height: 2.5rem;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--rule-strong);
  border-radius: var(--r-sm);
  background: var(--sheet);
  color: var(--ink);
  font: inherit;
  font-size: var(--fs-md);
}
input[type="file"] { padding: 0.35rem; }
textarea { min-height: 6rem; resize: vertical; }
select { padding-right: 2rem; }
input::placeholder, textarea::placeholder { color: var(--ink-faint); }
input:focus-visible, select:focus-visible, textarea:focus-visible { border-color: var(--cyan-ink); box-shadow: 0 0 0 3px color-mix(in srgb, var(--cyan) 40%, transparent); }
input[readonly], input:disabled, select:disabled, textarea:disabled { background: var(--sheet-sunk); color: var(--ink-soft); }
input[aria-invalid="true"], select[aria-invalid="true"], textarea[aria-invalid="true"] { border-color: var(--bad); }
.field-error { color: var(--bad); font-size: var(--fs-sm); margin-top: var(--s-1); }

.check {
  display: flex;
  align-items: flex-start;
  gap: var(--s-2);
  font-weight: 400;
  font-size: var(--fs-md);
  cursor: pointer;
}
.check input { margin: 0.25rem 0 0; width: 1.05rem; height: 1.05rem; accent-color: var(--cyan-ink); flex: none; }

fieldset { border: 0; margin: 0 0 var(--s-4); padding: 0; min-width: 0; }
legend { font-weight: 700; font-size: var(--fs-sm); margin-bottom: var(--s-2); padding: 0; }

/* Large selectable list (students in a class) */
.choice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 14rem), 1fr));
  gap: var(--s-1) var(--s-3);
  padding: var(--s-3);
  border: 1px solid var(--rule);
  border-radius: var(--r-sm);
  max-height: 22rem;
  overflow: auto;
  background: var(--sheet);
}
.choice-grid .check { padding: 0.3rem var(--s-2); border-radius: var(--r-sm); }
.choice-grid .check:hover { background: var(--sheet-sunk); }
.choice-grid .check:has(input:checked) { background: var(--cyan-wash); }

/* Segmented control built from radio buttons */
.segmented { display: inline-flex; flex-wrap: wrap; border: 1px solid var(--rule-strong); border-radius: var(--r-sm); overflow: hidden; }
.segmented label { margin: 0; font-weight: 400; }
.segmented input { position: absolute; opacity: 0; pointer-events: none; }
.segmented span { display: block; padding: 0.45rem 0.9rem; cursor: pointer; font-size: var(--fs-sm); }
.segmented label + label span { border-left: 1px solid var(--rule-strong); }
.segmented input:checked + span { background: var(--ink); color: var(--sheet); font-weight: 700; }
.segmented input:focus-visible + span { box-shadow: inset 0 0 0 2px var(--cyan); }
/* link variant (navigation between views) */
.segmented > a { display: inline-flex; align-items: center; gap: var(--s-1); padding: 0.45rem 0.9rem; font-size: var(--fs-sm); color: var(--ink); text-decoration: none; }
.segmented > a + a { border-left: 1px solid var(--rule-strong); }
.segmented > a:hover { background: var(--sheet-sunk); }
.segmented > a[aria-current="page"] { background: var(--ink); color: var(--sheet); font-weight: 700; }
.toolbar { display: flex; flex-wrap: wrap; gap: var(--s-3); justify-content: space-between; align-items: center; margin-bottom: var(--s-4); }
.choice-list { display: grid; gap: var(--s-1); }
.chip-grid { display: flex; flex-wrap: wrap; gap: var(--s-1); }

.form-actions { display: flex; flex-wrap: wrap; gap: var(--s-2); align-items: center; margin-top: var(--s-5); }

/* ------------------------------------------------------------- tables --- */
.table-wrap {
  position: relative;           /* contains absolutely positioned (visually-hidden) labels */
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  background: var(--sheet);
}
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-sm);
}
.table th, .table td {
  padding: 0.6rem var(--s-3);
  border-bottom: 1px solid var(--rule);
  text-align: left;
  vertical-align: top;
}
.table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--sheet-sunk);
  font-weight: 700;
  white-space: nowrap;
}
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover td { background: color-mix(in srgb, var(--cyan-wash) 55%, transparent); }
.table .num { text-align: right; white-space: nowrap; }
.table .nowrap { white-space: nowrap; }
.table .actions { text-align: right; white-space: nowrap; }
.table .actions .btn + .btn, .table .actions form + form, .table .actions .btn + form, .table .actions form + .btn { margin-left: var(--s-1); }
.table .actions form { display: inline; }
.table tr.is-muted td { color: var(--ink-faint); }
.table tfoot td { background: var(--sheet-sunk); font-weight: 700; }
.table caption { caption-side: top; text-align: left; padding: var(--s-3); font-weight: 700; }

/* Filter row inside the table header */
.table .filter-row th { background: var(--sheet); padding: var(--s-2); position: static; }
.table .filter-row input, .table .filter-row select { min-height: 2rem; padding: 0.25rem 0.5rem; font-size: var(--fs-sm); }

.filters {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--s-3);
  margin-bottom: var(--s-4);
  padding: var(--s-4);
  background: var(--sheet-sunk);
  border-radius: var(--r-md);
}
.filters .field { margin: 0; min-width: 10rem; flex: 1 1 10rem; }
.filters .field-sm { flex: 0 1 8rem; min-width: 7rem; }
.filters label { font-size: var(--fs-xs); }
.filters > .check { align-self: center; font-size: var(--fs-sm); margin: 0; }
.class-picker { flex: 1 1 100%; border: 1px solid var(--rule); border-radius: var(--r-sm); background: var(--sheet); padding: var(--s-2) var(--s-3); }
.class-picker summary { cursor: pointer; font-weight: 700; font-size: var(--fs-sm); }
.class-picker fieldset { margin: var(--s-3) 0 0; }
.class-picker legend { font-size: var(--fs-xs); color: var(--ink-soft); }
.chip { margin: 0; padding: 0.15rem 0.6rem 0.15rem 0.4rem; border: 1px solid var(--rule-strong); border-radius: 999px; font-size: var(--fs-sm); align-items: center; }
.chip input { margin: 0; }
.chip:has(input:checked) { background: var(--cyan-wash); border-color: var(--cyan-ink); }
.filters input, .filters select { min-height: 2.25rem; font-size: var(--fs-sm); }

/* --------------------------------------------------------- status pills --- */
.status {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  border: 1px solid currentColor;
  font-size: var(--fs-xs);
  font-weight: 700;
  line-height: 1.5;
  white-space: nowrap;
}
.status::before { content: ""; width: 0.45rem; height: 0.45rem; border-radius: 50%; background: currentColor; }
.status-ok { color: var(--ok); background: var(--ok-wash); }
.status-wait { color: var(--wait); background: var(--wait-wash); }
.status-bad { color: var(--bad); background: var(--bad-wash); }
.status-info { color: var(--cyan-ink); background: var(--cyan-wash); }
.status-muted { color: var(--ink-soft); background: var(--sheet-sunk); }

/* Record type markers: praise = cyan, note = margin red */
.kind { display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 700; }
.kind::before { content: ""; width: 0.6em; height: 0.6em; border-radius: 50%; background: currentColor; flex: none; }
.kind-praise { color: var(--cyan-ink); }
.kind-note { color: var(--bad); }
.kind-measure { color: var(--ink); }

.tag { display: inline-block; padding: 0 0.45rem; border-radius: var(--r-sm); background: var(--sheet-sunk); border: 1px solid var(--rule); font-size: var(--fs-xs); white-space: nowrap; }

/* ------------------------------------------------------------- alerts --- */
.alert {
  display: flex;
  gap: var(--s-3);
  align-items: flex-start;
  margin-bottom: var(--s-4);
  padding: var(--s-3) var(--s-4);
  border: 1px solid;
  border-left-width: 4px;
  border-radius: var(--r-sm);
  font-size: var(--fs-sm);
}
.alert p:last-child { margin-bottom: 0; }
.alert .icon { margin-top: 0.15rem; }
.alert-success { color: var(--ok); border-color: var(--ok); background: var(--ok-wash); }
.alert-error { color: var(--bad); border-color: var(--bad); background: var(--bad-wash); }
.alert-warning { color: var(--wait); border-color: var(--wait); background: var(--wait-wash); }
.alert-info { color: var(--cyan-ink); border-color: var(--cyan-ink); background: var(--cyan-wash); }
.alert > div { color: var(--ink); }
.alert strong { color: inherit; }
.ack-banner { align-items: center; flex-wrap: wrap; }
.ack-banner p { flex: 1 1 16rem; }
.ack-done { display: inline-flex; align-items: center; gap: var(--s-1); color: var(--ok); font-size: var(--fs-sm); white-space: nowrap; }
.ack-done .icon { width: 1rem; height: 1rem; }

.toast-region {
  position: fixed;
  right: var(--s-4);
  bottom: var(--s-4);
  z-index: 60;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  max-width: min(26rem, calc(100vw - 2rem));
}
.toast { box-shadow: var(--shadow-pop); margin: 0; background: var(--sheet); }
.toast a { font-weight: 700; }

/* ------------------------------------------------------------- dialog --- */
dialog.modal {
  width: min(40rem, calc(100vw - 2rem));
  max-height: calc(100vh - 2rem);
  padding: 0;
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  background: var(--sheet);
  color: var(--ink);
  box-shadow: var(--shadow-pop);
}
dialog.modal-wide { width: min(64rem, calc(100vw - 2rem)); }
/* long dialogs: header and buttons stay visible, only the body scrolls */
dialog.modal > form { display: flex; flex-direction: column; max-height: calc(100dvh - 2rem); }
dialog.modal > form > .modal-body { flex: 1 1 auto; min-height: 0; }
dialog.modal::backdrop { background: rgba(14, 26, 46, 0.55); }
dialog.modal[open] { animation: modal-in 0.16s ease-out; }
@keyframes modal-in { from { opacity: 0; transform: translateY(6px); } }
.modal-head { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); padding: var(--s-4) var(--s-5); border-bottom: 1px solid var(--rule); }
.modal-head h2 { margin: 0; font-size: var(--fs-lg); }
.modal-body { padding: var(--s-5); overflow: auto; }
.modal-foot { display: flex; justify-content: flex-end; gap: var(--s-2); padding: var(--s-3) var(--s-5); border-top: 1px solid var(--rule); background: var(--sheet-sunk); }

/* ------------------------------------------------------- global search --- */
dialog.search-dialog {
  width: min(40rem, calc(100vw - 2rem));
  margin: 12vh auto auto;
  padding: 0;
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  background: var(--sheet);
  color: var(--ink);
  box-shadow: var(--shadow-pop);
  overflow: hidden;
}
dialog.search-dialog::backdrop { background: rgba(14, 26, 46, 0.55); }
dialog.search-dialog[open] { display: flex; flex-direction: column; max-height: min(34rem, 76dvh); animation: modal-in 0.12s ease-out; }
.search-dialog-form { display: flex; align-items: center; gap: var(--s-2); padding: var(--s-2) var(--s-2) var(--s-2) var(--s-4); border-bottom: 1px solid var(--rule); }
.search-dialog-form > .icon { color: var(--ink-faint); flex: none; }
.search-dialog-form input { flex: 1; min-width: 0; border: 0; background: none; box-shadow: none; font-size: var(--fs-lg); padding: var(--s-2) 0; }
.search-dialog-form input:focus { outline: none; box-shadow: none; }
.search-dialog-form input::-webkit-search-cancel-button { display: none; }
.search-results { overflow-y: auto; flex: 1 1 auto; min-height: 0; }
.search-results:empty { display: none; }
.search-results-group { padding: var(--s-2) 0; }
.search-results-group + .search-results-group { border-top: 1px solid var(--rule); }
.search-results-head { padding: var(--s-1) var(--s-4); font-size: var(--fs-xs); font-weight: 700; color: var(--ink-soft); }
.search-results [role="option"], .search-list a {
  display: flex; align-items: baseline; justify-content: space-between; gap: var(--s-3);
  padding: var(--s-2) var(--s-4);
  border-left: 3px solid transparent;
  color: var(--ink); text-decoration: none;
}
.search-results [role="option"][aria-selected="true"] { background: var(--cyan-wash); border-left-color: var(--cyan); }
.search-item-label { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.search-item-detail { flex: none; max-width: 45%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: var(--fs-sm); color: var(--ink-soft); }
.search-status { margin: 0; padding: var(--s-4); color: var(--ink-soft); font-size: var(--fs-sm); }
.search-keys { margin: 0; padding: var(--s-2) var(--s-4); border-top: 1px solid var(--rule); background: var(--sheet-sunk); color: var(--ink-faint); font-size: var(--fs-xs); }
.search-page-form { display: flex; gap: var(--s-2); padding: var(--s-4); }
.search-page-form input { flex: 1; min-width: 0; }
.search-group { padding: 0; overflow: hidden; }
.search-group .panel-head { margin: 0; font-size: var(--fs-md); }
.search-list { list-style: none; margin: 0; padding: 0 0 var(--s-2); }
.search-list a:hover, .search-list a:focus-visible { background: var(--cyan-wash); border-left-color: var(--cyan); }
@media (max-width: 480px) {
  .topbar .feedback-button { display: none; }   /* also in the footer – keeps room for the page title */
}
@media (max-width: 600px) {
  dialog.search-dialog { margin-top: var(--s-4); }
  .search-keys { display: none; }
}

/* --------------------------------------------------------------- tabs --- */
.tabs { display: flex; flex-wrap: wrap; gap: var(--s-1); border-bottom: 1px solid var(--rule); margin-bottom: var(--s-5); }
.tabs a, .tabs button {
  position: relative;
  padding: var(--s-2) var(--s-4);
  border: 0;
  background: none;
  color: var(--ink-soft);
  font: inherit;
  font-weight: 700;
  font-size: var(--fs-sm);
  text-decoration: none;
  cursor: pointer;
}
.tabs a:hover, .tabs button:hover { color: var(--ink); }
.tabs [aria-selected="true"], .tabs [aria-current="page"] { color: var(--ink); }
.tabs [aria-selected="true"]::after, .tabs [aria-current="page"]::after {
  content: ""; position: absolute; left: var(--s-3); right: var(--s-3); bottom: -1px; height: 3px; border-radius: 3px 3px 0 0; background: var(--cyan);
}
.tabs .count { margin-left: var(--s-1); color: var(--ink-faint); font-weight: 400; }

/* ---------------------------------------------------------- pagination --- */
.pagination { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-1); margin-top: var(--s-4); font-size: var(--fs-sm); }
.pagination a, .pagination span {
  min-width: 2.25rem; padding: 0.35rem 0.6rem; border: 1px solid var(--rule); border-radius: var(--r-sm); text-align: center; text-decoration: none; color: var(--ink);
}
.pagination a:hover { background: var(--sheet-sunk); }
.pagination [aria-current="page"] { background: var(--ink); color: var(--sheet); border-color: var(--ink); font-weight: 700; }
.pagination .gap { border: 0; }
.pagination .summary { border: 0; color: var(--ink-soft); margin-left: auto; }

/* --------------------------------------------------------- empty state --- */
.empty {
  padding: var(--s-6) var(--s-5);
  border: 1px dashed var(--rule-strong);
  border-radius: var(--r-md);
  text-align: center;
  color: var(--ink-soft);
}
.empty h3 { color: var(--ink); }
.empty p { margin-left: auto; margin-right: auto; }

/* ------------------------------------------------------------- dropdown --- */
.menu { position: relative; }
.menu-list {
  position: absolute;
  right: 0;
  top: calc(100% + 0.35rem);
  z-index: 40;
  min-width: 12rem;
  margin: 0;
  padding: var(--s-1);
  list-style: none;
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-pop);
}
.menu-list a, .menu-list button {
  display: flex; align-items: center; gap: var(--s-2); width: 100%;
  padding: var(--s-2) var(--s-3); border: 0; border-radius: var(--r-sm); background: none;
  color: var(--ink); font: inherit; font-size: var(--fs-sm); text-align: left; text-decoration: none; cursor: pointer;
}
.menu-list a:hover, .menu-list button:hover { background: var(--sheet-sunk); }
.menu-list [aria-current="true"] { font-weight: 700; }
.flag { width: 1.25rem; height: 0.9rem; border-radius: 2px; object-fit: cover; box-shadow: 0 0 0 1px var(--rule); }

/* Clickable panel (parent's children, module entry points) */
.child-card { display: flex; flex-direction: column; gap: var(--s-1); padding: var(--s-5); color: var(--ink); text-decoration: none; transition: border-color 0.12s ease; }
.child-card:hover { border-color: var(--cyan-ink); }
.child-name { font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 650; }
.child-cta { margin-top: var(--s-3); color: var(--cyan-ink); font-weight: 700; font-size: var(--fs-sm); display: inline-flex; align-items: center; gap: var(--s-1); }

/* Request cards (student requests, approvals) */
.request { border-left-width: 4px; }
.request-add { border-left-color: var(--ok); }
.request-remove { border-left-color: var(--bad); }
.request-merge { border-left-color: var(--cyan-ink); }
.request .panel-head { flex-wrap: wrap; }
.request .panel-head h3 { display: flex; align-items: center; gap: var(--s-2); }
.request .panel-head input[type="checkbox"] { width: 1.1rem; height: 1.1rem; accent-color: var(--cyan-ink); }
.quote { margin: 0 0 var(--s-4); padding: var(--s-2) var(--s-3); border-left: 3px solid var(--rule-strong); background: var(--sheet-sunk); border-radius: 0 var(--r-sm) var(--r-sm) 0; }
.bulk-bar { position: sticky; top: calc(var(--topbar-h) + var(--s-2)); z-index: 5; margin-bottom: var(--s-4); background: var(--sheet-sunk); }
.bulk-bar .field { flex: 1 1 14rem; }
.cluster > .field { flex: 1 1 14rem; }
.merge-pair { display: flex; flex-wrap: wrap; align-items: stretch; gap: var(--s-3); }
.merge-side { flex: 1 1 14rem; padding: var(--s-3); border-radius: var(--r-sm); display: flex; flex-direction: column; gap: var(--s-1); }
.merge-remove { background: var(--bad-wash); }
.merge-remove .xsmall { color: var(--bad); }
.merge-keep { background: var(--ok-wash); }
.merge-keep .xsmall { color: var(--ok); }
.merge-arrow { align-self: center; color: var(--cyan-ink); width: 1.5rem; height: 1.5rem; }
.credentials { border-color: var(--cyan-ink); }
.credentials .panel-head { flex-wrap: wrap; background: var(--cyan-wash); border-radius: var(--r-md) var(--r-md) 0 0; }
.credentials .table-wrap { border: 0; border-radius: 0; }
code.secret { padding: 0.1rem 0.35rem; border-radius: 4px; background: var(--sheet-sunk); border: 1px dashed var(--rule-strong); user-select: all; }
details > summary { cursor: pointer; }
.table tr.is-selected td { background: var(--bad-wash); }
.check.immediate { margin-top: var(--s-3); padding: var(--s-3); border: 1px dashed var(--bad); border-radius: var(--r-sm); background: var(--bad-wash); color: var(--bad); font-weight: 700; }
.child-chip { display: inline-block; margin: 2px 4px 2px 0; padding: 0.1rem 0.55rem; border-radius: 999px; font-size: var(--fs-xs); background: var(--sheet-sunk); border: 1px solid var(--rule); white-space: nowrap; }
.child-chip.is-own { background: var(--cyan-wash); border-color: var(--cyan-ink); color: var(--cyan-ink); font-weight: 700; }
.chip-remove { border: 0; background: none; color: inherit; cursor: pointer; padding: 0 0.15rem; font-size: 1rem; line-height: 1; }
.keep-option { display: block; padding: var(--s-3); border: 1px solid var(--rule); border-radius: var(--r-sm); margin-bottom: var(--s-2); cursor: pointer; }
.keep-option:has(input:checked) { border-color: var(--cyan-ink); background: var(--cyan-wash); }

/* Picker (search → choose one) */
.picker-results { list-style: none; margin: 0; padding: 0; max-height: 16rem; overflow: auto; border: 1px solid var(--rule); border-radius: var(--r-sm); }
.picker-results:empty { display: none; }
.picker-results li { padding: var(--s-2) var(--s-3); cursor: pointer; border-bottom: 1px solid var(--rule); }
.picker-results li:last-child { border-bottom: 0; }
.picker-results li:hover, .picker-results li:focus { background: var(--sheet-sunk); outline: none; }
.picker-results li[aria-selected="true"] { background: var(--cyan-wash); font-weight: 700; }
.code-block { margin: 0; padding: var(--s-3); background: var(--sheet-sunk); border: 1px solid var(--rule); border-radius: var(--r-sm); overflow-x: auto; font-size: var(--fs-sm); }

/* ------------------------------------------------------- definition list --- */
.dl { display: grid; grid-template-columns: max-content 1fr; gap: var(--s-2) var(--s-5); margin: 0; }
.dl dt { color: var(--ink-soft); font-size: var(--fs-sm); }
.dl dd { margin: 0; font-weight: 700; }

/* Timeline / history list */
.history { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--rule); }
.history li { position: relative; padding: 0 0 var(--s-4) var(--s-4); }
.history li::before { content: ""; position: absolute; left: -6px; top: 0.45rem; width: 10px; height: 10px; border-radius: 50%; background: var(--sheet); border: 2px solid var(--cyan-ink); }
.history .when { font-size: var(--fs-xs); color: var(--ink-soft); }

/* -------------------------------------------------------------- utility --- */
.muted { color: var(--ink-soft); }
.faint { color: var(--ink-faint); }
.small { font-size: var(--fs-sm); }
.xsmall { font-size: var(--fs-xs); }
.bold { font-weight: 700; }
.text-right { text-align: right; }
.text-ok { color: var(--ok); }
.text-bad { color: var(--bad); }
.text-wait { color: var(--wait); }
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.mt-1 { margin-top: var(--s-1); }
.mt-2 { margin-top: var(--s-2); }
.mt-3 { margin-top: var(--s-3); }
.mt-4 { margin-top: var(--s-4); }
.mt-5 { margin-top: var(--s-5); }
.mb-4 { margin-bottom: var(--s-4); }
.mb-5 { margin-bottom: var(--s-5); }
.pb-0 { padding-bottom: 0 !important; }
.inline-form { display: inline; }
.pre-line { white-space: pre-line; }
.break { overflow-wrap: anywhere; }

/* ---------------------------------------------------------- responsive --- */
/* ------------------------------------------------------- page helpers --- */
.back-link { display: inline-flex; align-items: center; gap: var(--s-1); margin-bottom: var(--s-3); font-size: var(--fs-sm); color: var(--cyan-ink); text-decoration: none; }
.back-link:hover { text-decoration: underline; }
.grid-aside { grid-template-columns: minmax(0, 2fr) minmax(16rem, 1fr); align-items: start; }
.nowrap { white-space: nowrap; }
.steps { margin: 0 0 var(--s-4); padding-left: 1.25rem; }
.steps li + li { margin-top: var(--s-2); }
.check.consent { padding: var(--s-3); border: 1px solid var(--rule-strong); border-radius: var(--r-sm); background: var(--sheet-sunk); }
.filters-more { flex-basis: 100%; }
.filters-more summary { cursor: pointer; font-size: var(--fs-sm); color: var(--cyan-ink); }
.filters-more .field-row { margin-top: var(--s-2); max-width: 24rem; }
.sticky-actions { position: sticky; bottom: 0; z-index: 5; padding: var(--s-3) 0; background: linear-gradient(to top, var(--sheet) 70%, transparent); }
.member-list { list-style: none; margin: 0; padding: 0; }
.member-list li { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: var(--s-2); padding: var(--s-1) 0; border-bottom: 1px solid var(--rule); }
.member-list li:last-child { border-bottom: 0; }
.table-compact th, .table-compact td { padding: 0.3rem 0.5rem; font-size: var(--fs-sm); }

@media (max-width: 960px) {
  .grid-aside { grid-template-columns: minmax(0, 1fr); }
  .app { grid-template-columns: minmax(0, 1fr); }
  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 50;
    width: min(var(--sidebar-w), 85vw);
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    box-shadow: var(--shadow-pop);
  }
  .app.nav-open .sidebar { transform: none; }
  .app.nav-open::after {
    content: ""; position: fixed; inset: 0; z-index: 45; background: rgba(14, 26, 46, 0.45);
  }
  .menu-button { display: inline-grid; }
  .userbox-text { display: none; }
  :root { --margin-x: 1rem; }
  .sheet { margin: var(--s-3); padding: var(--s-5) var(--s-4) var(--s-6) calc(var(--margin-x) + var(--s-4)); }
  .topbar { padding: 0 var(--s-3); }
  h1 { font-size: var(--fs-2xl); }
}

@media (max-width: 600px) {
  .sheet { margin: 0; border-radius: 0; border-left: 0; border-right: 0; }
  .dl { grid-template-columns: 1fr; }
  .dl dd { margin-bottom: var(--s-2); }
  .table-stack thead { display: none; }
  /* stacked rows always fit the screen: long words / codes wrap instead of widening the table */
  .table-stack, .table-stack tbody { display: block; width: 100%; }
  .table-stack td.nowrap { white-space: normal; }
  .table-stack td, .table-stack td > * { min-width: 0; overflow-wrap: anywhere; }
  /* each row becomes a card on phones */
  .table-wrap:has(> .table-stack) { border: 0; background: none; box-shadow: none; overflow: visible; }
  .table-stack tr { display: block; margin-bottom: var(--s-2); padding: var(--s-2) 0; border: 1px solid var(--rule); border-radius: var(--r-md); background: var(--sheet); }
  .table-stack td { display: flex; justify-content: space-between; gap: var(--s-3); border: 0; padding: 0.3rem var(--s-3); text-align: right; }
  .table-stack td::before { content: attr(data-label); color: var(--ink-soft); font-weight: 700; text-align: left; }
  .table-stack td.actions { justify-content: flex-end; }
  .table-stack td.actions::before { content: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

/* ---------------------------------------------------------------- print --- */
@media print {
  :root { --paper: #fff; --sheet: #fff; }
  .sidebar, .topbar, .footer, .page-actions, .filters, .no-print, .pagination, .toast-region { display: none !important; }
  .app { display: block; }
  .sheet { margin: 0; padding: 0; border: 0; }
  .sheet::before { display: none; }
  .table-wrap { border: 0; overflow: visible; }
  .table thead th { position: static; }
  a { color: inherit; text-decoration: none; }
}

/* ======================================================= personal appearance ===
   Chosen per user (profile › Vzhled), rendered on <html> by the server:
   data-theme (light|dark, absent = follow the system), data-accent,
   data-size (large), data-density (compact). Every accent keeps AA contrast
   for text and buttons in both themes.
   ============================================================================= */
[data-accent="blue"]   { --cyan: #3b82f6; --cyan-ink: #1d4ed8; --cyan-wash: #e8f0fe; --nav-active: #60a5fa; }
[data-accent="green"]  { --cyan: #22c55e; --cyan-ink: #166534; --cyan-wash: #e7f6ec; --nav-active: #4ade80; }
[data-accent="purple"] { --cyan: #8b5cf6; --cyan-ink: #6d28d9; --cyan-wash: #f1ebfe; --nav-active: #a78bfa; }
[data-accent="orange"] { --cyan: #f97316; --cyan-ink: #c2410c; --cyan-wash: #fff0e6; --nav-active: #fb923c; }
[data-accent="slate"]  { --cyan: #64748b; --cyan-ink: #334155; --cyan-wash: #eef1f5; --nav-active: #cbd5e1; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"])[data-accent="blue"]   { --cyan-ink: #8db4ff; --cyan-wash: #1d2f55; }
  :root:not([data-theme="light"])[data-accent="green"]  { --cyan-ink: #6ee7a0; --cyan-wash: #16392a; }
  :root:not([data-theme="light"])[data-accent="purple"] { --cyan-ink: #c4b5fd; --cyan-wash: #2e2453; }
  :root:not([data-theme="light"])[data-accent="orange"] { --cyan-ink: #fdba74; --cyan-wash: #43280f; }
  :root:not([data-theme="light"])[data-accent="slate"]  { --cyan-ink: #cbd5e1; --cyan-wash: #263248; --cyan: #94a3b8; }
}
:root[data-theme="dark"][data-accent="blue"]   { --cyan-ink: #8db4ff; --cyan-wash: #1d2f55; }
:root[data-theme="dark"][data-accent="green"]  { --cyan-ink: #6ee7a0; --cyan-wash: #16392a; }
:root[data-theme="dark"][data-accent="purple"] { --cyan-ink: #c4b5fd; --cyan-wash: #2e2453; }
:root[data-theme="dark"][data-accent="orange"] { --cyan-ink: #fdba74; --cyan-wash: #43280f; }
:root[data-theme="dark"][data-accent="slate"]  { --cyan-ink: #cbd5e1; --cyan-wash: #263248; --cyan: #94a3b8; }

/* larger text: everything is sized in rem */
:root[data-size="large"] { font-size: 112.5%; }

/* compact: more rows on the screen */
:root[data-density="compact"] .table th, :root[data-density="compact"] .table td { padding-top: 0.3rem; padding-bottom: 0.3rem; }
:root[data-density="compact"] .panel-body { padding: var(--s-4); }
:root[data-density="compact"] .section { margin-top: var(--s-4); }

/* top-bar light/dark switch shows the theme it switches TO */
.theme-icon-light { display: none; }
:root[data-theme="dark"] .theme-icon-dark { display: none; }
:root[data-theme="dark"] .theme-icon-light { display: inline; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) .theme-icon-dark { display: none; }
  :root:not([data-theme]) .theme-icon-light { display: inline; }
}
form[data-theme-toggle] { display: contents; }

/* profile › Vzhled */
.appearance-choices { border: 0; padding: 0; margin: 0 0 var(--s-5); min-width: 0; }
.appearance-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(7.5rem, 1fr)); gap: var(--s-2); }
.appearance-choices legend { font-weight: 700; margin-bottom: var(--s-2); }
.appearance-option { position: relative; display: grid; gap: var(--s-1); justify-items: start; padding: var(--s-3); border: 2px solid var(--rule); border-radius: var(--r-md); background: var(--sheet); cursor: pointer; }
.appearance-option input { position: absolute; opacity: 0; }
.appearance-option:has(input:checked) { border-color: var(--cyan-ink); background: var(--cyan-wash); }
.appearance-option:has(input:focus-visible) { box-shadow: var(--focus); }
.appearance-swatch { width: 2.2rem; height: 2.2rem; border-radius: 50%; border: 3px solid var(--sheet); box-shadow: 0 0 0 1px var(--rule-strong); }
.appearance-swatch.is-cyan { background: #27b7d9; }
.appearance-swatch.is-blue { background: #3b82f6; }
.appearance-swatch.is-green { background: #22c55e; }
.appearance-swatch.is-purple { background: #8b5cf6; }
.appearance-swatch.is-orange { background: #f97316; }
.appearance-swatch.is-slate { background: #64748b; }
.appearance-mode { width: 100%; height: 3rem; border-radius: var(--r-sm); border: 1px solid var(--rule-strong); }
.appearance-mode.is-light { background: linear-gradient(90deg, #17233b 0 22%, #f4f7f8 22%); }
.appearance-mode.is-dark { background: linear-gradient(90deg, #0a1424 0 22%, #152238 22%); }
.appearance-mode.is-auto { background: linear-gradient(135deg, #f4f7f8 0 50%, #152238 50%); }
.appearance-sample { font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; line-height: 1; }
.appearance-sample.is-large { font-size: 1.6rem; }

/* column editor (partials/columns_dialog) */
.columns-editor { list-style: none; margin: 0; padding: 0; border: 1px solid var(--rule); border-radius: var(--r-md); }
.columns-editor li { display: flex; align-items: center; justify-content: space-between; gap: var(--s-2); padding: 2px var(--s-2) 2px var(--s-3); border-bottom: 1px solid var(--rule); }
.columns-editor li .check { padding: 0.3rem 0; }
.columns-editor li:last-child { border-bottom: 0; }
.columns-editor li:has(input[type="checkbox"]:not(:checked)) { color: var(--ink-faint); }
.columns-editor .check { margin: 0; flex: 1; }
.columns-move { display: inline-flex; gap: 2px; }
.columns-move .icon-button { width: 2rem; height: 2rem; }
.columns-editor li:first-child [data-col-up], .columns-editor li:last-child [data-col-down] { visibility: hidden; }
.icon-flip { transform: rotate(180deg); }

/* ------------------------------------------------------- dashboard --- */
.dash-grid { display: grid; gap: var(--s-4); grid-template-columns: repeat(auto-fill, minmax(min(100%, 19rem), 1fr)); align-items: start; }
.dash-widget { margin: 0; }
.dash-widget .panel-head h2 { font-size: var(--fs-md); margin: 0; }
@media (min-width: 900px) { .dash-widget.is-wide { grid-column: span 2; } }
.dash-widget a .icon { width: 1rem; height: 1rem; vertical-align: -0.15em; }
.dash-actions { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-2); }
.dash-action { display: flex; flex-direction: column; align-items: flex-start; gap: var(--s-1); min-height: 4.25rem; padding: var(--s-3); border: 1px solid var(--rule); border-radius: var(--r-md); background: var(--sheet-sunk); color: var(--ink); font-weight: 700; font-size: var(--fs-sm); text-decoration: none; }
.dash-action .icon { color: var(--cyan-ink); width: 1.25rem; height: 1.25rem; }
.dash-action:hover { border-color: var(--cyan); background: var(--cyan-wash); }
.dash-list { list-style: none; margin: 0 0 var(--s-3); padding: 0; }
.dash-list li { display: flex; align-items: baseline; gap: var(--s-2); padding: var(--s-2) 0; border-bottom: 1px solid var(--rule); font-size: var(--fs-sm); }
.dash-list li:last-child { border-bottom: 0; }
.dash-list-main { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.dash-list-sub { display: block; color: var(--ink-soft); }
.dash-list-meta { flex: none; color: var(--ink-soft); font-size: var(--fs-xs); white-space: nowrap; }
.dash-counts { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-1); }
.dash-counts a { display: flex; align-items: center; gap: var(--s-3); padding: var(--s-2); border-radius: var(--r-sm); color: var(--ink-soft); text-decoration: none; }
.dash-counts a:hover { background: var(--sheet-sunk); }
.dash-counts a.has-items { color: var(--ink); font-weight: 700; }
.dash-count { display: inline-grid; place-items: center; min-width: 2.25rem; height: 2.25rem; padding: 0 0.4rem; border-radius: var(--r-sm); background: var(--sheet-sunk); font-family: var(--font-display); font-weight: 700; font-variant-numeric: tabular-nums; }
.has-items .dash-count, .dash-big .dash-count { background: var(--wait-wash); color: var(--wait); }
.dash-big { display: flex; align-items: center; gap: var(--s-3); font-weight: 700; }
.dash-calm { display: flex; align-items: center; gap: var(--s-2); margin: 0 0 var(--s-3); color: var(--ok); }
.dash-cards { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-2); grid-template-columns: repeat(auto-fill, minmax(min(100%, 14rem), 1fr)); }
.dash-card { display: flex; flex-direction: column; align-items: flex-start; gap: var(--s-1); padding: var(--s-3); border: 1px solid var(--rule); border-radius: var(--r-md); color: var(--ink); text-decoration: none; }
.dash-card:hover { border-color: var(--cyan); }
.dash-card-title { font-weight: 700; font-size: var(--fs-lg); }
.dash-classes { display: grid; gap: var(--s-2); grid-template-columns: repeat(auto-fill, minmax(min(100%, 12rem), 1fr)); }
.dash-class { display: flex; flex-direction: column; gap: 2px; padding: var(--s-3); border: 1px solid var(--rule); border-radius: var(--r-md); color: var(--ink); text-decoration: none; font-size: var(--fs-sm); }
.dash-class:hover { border-color: var(--cyan); }
.dash-class-name { font-family: var(--font-display); font-size: var(--fs-xl); font-weight: 700; }
.dash-top { margin: 0 0 var(--s-3); padding-left: 1.25rem; font-size: var(--fs-sm); }
.dash-facts { display: grid; grid-template-columns: auto 1fr; gap: var(--s-1) var(--s-3); margin: 0 0 var(--s-3); font-size: var(--fs-sm); }
.dash-facts dt { color: var(--ink-soft); }
.dash-facts dd { margin: 0; font-variant-numeric: tabular-nums; }

/* -------------------------------------------- quick record (phones) --- */
.quick-step { display: flex; align-items: center; gap: var(--s-2); margin: 0 0 var(--s-3); font-size: var(--fs-lg); font-weight: 700; }
.quick-step-no { display: inline-grid; place-items: center; width: 1.75rem; height: 1.75rem; border-radius: 50%; background: var(--cyan-ink); color: var(--on-accent); font-size: var(--fs-sm); }
.quick-continue { display: flex; align-items: center; gap: var(--s-3); margin-bottom: var(--s-5); padding: var(--s-4); border: 2px solid var(--cyan); border-radius: var(--r-md); background: var(--cyan-wash); color: var(--ink); text-decoration: none; }
.quick-continue-label { flex: 1; font-weight: 700; }
.quick-continue-class { font-family: var(--font-display); font-size: var(--fs-xl); font-weight: 700; color: var(--cyan-ink); }
.quick-tiles { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(5.5rem, 1fr)); gap: var(--s-2); }
.quick-tile { display: grid; place-items: center; min-height: 3.5rem; border: 1px solid var(--rule-strong); border-radius: var(--r-md); background: var(--sheet); color: var(--ink); font-family: var(--font-display); font-size: var(--fs-lg); font-weight: 700; text-decoration: none; }
.quick-tile:hover { border-color: var(--cyan); background: var(--cyan-wash); }
.quick-form { padding-bottom: var(--s-2); }
.quick-section { margin: 0 0 var(--s-6); padding: 0; border: 0; min-width: 0; }
.quick-filter { width: 100%; margin-bottom: var(--s-3); }
.quick-students, .quick-reasons { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-2); }
.quick-students { grid-template-columns: repeat(auto-fill, minmax(min(100%, 15rem), 1fr)); }
.quick-student, .quick-reason {
  display: flex; align-items: center; gap: var(--s-3); min-height: 3rem; margin: 0;
  padding: var(--s-2) var(--s-3); border: 1px solid var(--rule-strong); border-radius: var(--r-md); background: var(--sheet); cursor: pointer;
}
.quick-student, .quick-reason { font-weight: 400; }
.quick-student strong { font-weight: 700; }
.quick-student input, .quick-reason input { width: 1.25rem; height: 1.25rem; flex: none; accent-color: var(--cyan-ink); }
.quick-student:has(input:checked), .quick-reason:has(input:checked) { border-color: var(--cyan); background: var(--cyan-wash); box-shadow: inset 3px 0 0 var(--cyan); }
.quick-reason.is-favourite { border-style: solid; }
.quick-fav { display: inline-block; margin-left: var(--s-1); padding: 0 0.4rem; border-radius: var(--r-sm); background: var(--sheet-sunk); color: var(--ink-soft); font-size: var(--fs-xs); }
.quick-kinds { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s-2); }
.quick-kind { margin: 0; cursor: pointer; }
.quick-kind input { position: absolute; opacity: 0; pointer-events: none; }
.quick-kind span { display: flex; align-items: center; justify-content: center; gap: var(--s-2); min-height: 3.5rem; border: 2px solid var(--rule-strong); border-radius: var(--r-md); background: var(--sheet); font-weight: 700; font-size: var(--fs-lg); }
.quick-kind.is-praise input:checked + span { border-color: var(--cyan-ink); background: var(--cyan-wash); color: var(--cyan-ink); }
.quick-kind.is-note input:checked + span { border-color: var(--bad); background: var(--bad-wash); color: var(--bad); }
.quick-kind input:focus-visible + span { box-shadow: var(--focus); }
.quick-points label span { min-width: 2.75rem; min-height: 2.75rem; justify-content: center; }
.quick-submit {
  position: sticky; bottom: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; gap: var(--s-3);
  margin: 0 calc(var(--s-4) * -1); padding: var(--s-3) var(--s-4) calc(var(--s-3) + env(safe-area-inset-bottom));
  border-top: 1px solid var(--rule); background: var(--sheet); box-shadow: 0 -6px 16px rgba(14, 26, 46, 0.08);
}
.quick-count { font-weight: 700; color: var(--ink-soft); }
.quick-submit .btn { min-height: 3rem; padding-inline: var(--s-5); }

/* ---------------------------------------------------------- statistics --- */
.stats-figures li { min-width: 8.5rem; }
.figure-of { font-size: var(--fs-md); color: var(--ink-soft); font-weight: 400; }
.figure-delta { font-size: var(--fs-xs); color: var(--ink-faint); }
.figure-delta.is-good { color: var(--ok); }
.figure-delta.is-bad { color: var(--bad); }
.stats-section { margin-bottom: var(--s-5); }
.chart-legend { display: flex; gap: var(--s-4); margin: 0; padding: 0; list-style: none; font-size: var(--fs-sm); color: var(--ink-soft); }
.chart-legend li { display: inline-flex; align-items: center; gap: var(--s-2); }
.chart-key { display: inline-block; width: 0.8rem; height: 0.8rem; border-radius: 2px; }
.chart-key.chart-praise { background: var(--cyan); }
.chart-key.chart-note { background: var(--bad); }
.chart-scroll { overflow-x: auto; }
.chart { display: block; width: 100%; min-width: 20rem; height: auto; max-height: 18rem; }
.chart .chart-grid { stroke: var(--rule); stroke-width: 1; }
.chart .chart-axis, .chart .chart-value { fill: var(--ink-soft); font: 11px var(--font-ui); }
.chart .chart-value { fill: var(--ink); font-weight: 700; }
.chart-praise { fill: var(--cyan); }
.chart-note { fill: var(--bad); }
.chart-track { fill: var(--sheet-sunk); }
.chart-bar { display: block; width: 100%; height: 0.5rem; }
.chart-data { margin-top: var(--s-3); font-size: var(--fs-sm); }
.chart-data summary { cursor: pointer; color: var(--cyan-ink); }
.chart-data .table { margin-top: var(--s-2); }
.stat-bars { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-3); }
.stat-bars li { display: grid; grid-template-columns: 1fr auto; gap: 2px var(--s-3); align-items: baseline; }
.stat-bars .chart-bar { grid-column: 1 / -1; }
.stat-bar-label { font-size: var(--fs-sm); min-width: 0; overflow-wrap: anywhere; }
.stat-bar-count { font-weight: 700; font-variant-numeric: tabular-nums; }
.stats-table th[scope="row"] { font-weight: 700; }
.stats-rate { min-width: 9rem; }
.stats-rate-value { display: block; font-variant-numeric: tabular-nums; margin-bottom: 2px; }

/* ------------------------------------------------ e-mail preferences --- */
.mail-pref { margin: 0; padding: var(--s-4) 0; border: 0; border-top: 1px solid var(--rule); }
.mail-pref legend { float: left; width: 100%; padding: 0; font-weight: 700; }
.mail-pref legend + * { clear: left; }
.mail-pref p { margin: var(--s-1) 0 var(--s-3); }
.mail-pref .segmented { flex-wrap: wrap; }

/* ------------------------------------------- saved views ("Moje pohledy") --- */
.list-tools { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: var(--s-2) var(--s-4); margin-bottom: var(--s-4); }
.saved-views { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2); min-width: 0; flex: 1 1 20rem; }
.saved-views-label { display: inline-flex; align-items: center; gap: var(--s-1); font-size: var(--fs-sm); font-weight: 700; color: var(--ink-soft); }
.saved-views-label .icon { color: var(--cyan-ink); }
.saved-views-list { display: contents; list-style: none; }
.saved-view { display: inline-flex; align-items: stretch; border: 1px solid var(--rule-strong); border-radius: var(--r-sm); background: var(--sheet); overflow: hidden; }
.saved-view a { display: inline-flex; align-items: center; padding: 0.2rem 0.6rem; font-size: var(--fs-sm); color: var(--ink); text-decoration: none; max-width: 16rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.saved-view a:hover { background: var(--sheet-sunk); }
.saved-view a[aria-current="true"] { background: var(--cyan-wash); color: var(--cyan-ink); font-weight: 700; }
.saved-view:has(a[aria-current="true"]) { border-color: var(--cyan); }
.saved-view form { display: flex; margin: 0; }
.saved-view-remove { display: inline-flex; align-items: center; justify-content: center; width: 1.9rem; border: 0; border-left: 1px solid var(--rule); background: none; color: var(--ink-faint); cursor: pointer; }
.saved-view-remove:hover { color: var(--bad); background: var(--bad-wash); }
.saved-view-remove .icon { width: 0.9rem; height: 0.9rem; }
.saved-view-new { position: relative; }
.saved-view-new > summary { list-style: none; }
.saved-view-new > summary::-webkit-details-marker { display: none; }
.saved-view-form {
  position: absolute; z-index: 20; top: calc(100% + var(--s-1)); left: 0;
  display: flex; flex-wrap: wrap; align-items: end; gap: var(--s-2);
  width: min(22rem, calc(100vw - 2rem)); padding: var(--s-3);
  border: 1px solid var(--rule); border-radius: var(--r-md); background: var(--sheet); box-shadow: var(--shadow-pop);
}
.saved-view-form label { width: 100%; font-size: var(--fs-sm); font-weight: 700; }
.saved-view-form input[type="text"] { flex: 1 1 12rem; }
.stats-limits .status { display: inline-block; margin: 0 var(--s-1) var(--s-1) 0; white-space: normal; }

/* ---------------------------------------------------- "view as" bar --- */
.view-as-bar { position: sticky; top: 0; z-index: 40; display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2) var(--s-3);
  padding: var(--s-2) var(--s-4); background: var(--nav-bg); color: var(--nav-fg); font-size: var(--fs-sm); border-bottom: 3px solid var(--cyan); }
.view-as-bar.is-live { border-bottom-color: var(--bad); }
.view-as-bar .view-as-who { flex: 1 1 14rem; }
.view-as-bar .icon { width: 1rem; height: 1rem; vertical-align: -0.15em; }
.view-as-bar .btn-ghost { color: var(--nav-fg); }
.view-as-bar .inline-form { display: inline; margin: 0; }
.view-as-bar.is-support { border-bottom-color: var(--wait); }

/* -------------------------------------------- two-factor authentication --- */
.otp-input { max-width: 11rem; font-size: var(--fs-xl); letter-spacing: 0.3em; font-variant-numeric: tabular-nums; text-align: center; }
.security-link .status { margin-left: var(--s-1); }
.twofactor-forced { align-items: flex-start; }
.twofactor-forced > div { flex: 1 1 18rem; }
.twofactor-forced form { margin: 0; }

/* the set-up is a real sequence: install → scan → confirm */
.setup-steps { counter-reset: step; list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s-5); }
.setup-steps > li { counter-increment: step; position: relative; padding-left: 2.75rem; }
.setup-steps > li::before {
  content: counter(step); position: absolute; left: 0; top: -0.1rem;
  display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%;
  background: var(--ink); color: var(--sheet); font-family: var(--font-display); font-weight: 700;
}
.setup-steps h3 { margin: 0 0 var(--s-2); font-size: var(--fs-md); }
.setup-steps p { margin: 0 0 var(--s-2); }

/* the QR code always sits on white – scanners need light around it, also in dark mode */
.qr-plate { display: flex; flex-wrap: wrap; gap: var(--s-4) var(--s-5); align-items: center; }
.qr-code { display: block; width: min(15rem, 100%); height: auto; padding: var(--s-2); background: #fff; border: 1px solid var(--rule-strong); border-radius: var(--r-md); }
.qr-manual { flex: 1 1 14rem; }
.qr-manual code.secret { font-size: var(--fs-md); letter-spacing: 0.08em; word-break: break-word; }

.method-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr)); gap: var(--s-4); }
.method-option { display: flex; flex-direction: column; align-items: flex-start; gap: var(--s-2); padding: var(--s-4); border: 1px solid var(--rule); border-radius: var(--r-md); }
.method-option h3 { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-2); margin: 0; font-size: var(--fs-md); }
.method-option p { margin: 0; }
.method-option .btn { margin-top: auto; }

.manage-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s-3); margin: 0; padding-bottom: var(--s-4); border-bottom: 1px solid var(--rule); }
.manage-row:last-child { padding-bottom: 0; border-bottom: 0; }
.manage-row > div { flex: 1 1 18rem; }
.manage-row h3 { margin: 0 0 var(--s-1); font-size: var(--fs-md); }

/* recovery codes: a cut-out sheet to print or copy, shown once */
.recovery-sheet { border: 2px dashed var(--cyan-ink); }
.recovery-codes { display: grid; grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr)); gap: var(--s-2) var(--s-5); margin: 0 0 var(--s-4); padding-left: 1.75rem; font-variant-numeric: tabular-nums; }
.recovery-codes code { font-size: var(--fs-md); letter-spacing: 0.06em; user-select: all; }
@media print {
  body:has(.recovery-sheet) #main > :not(.recovery-sheet),
  body:has(.recovery-sheet) .recovery-sheet .cluster,
  body:has(.recovery-sheet) .recovery-sheet .panel-foot { display: none !important; }
}
.code-input { max-width: 16rem; font-size: var(--fs-lg); letter-spacing: 0.12em; font-variant-numeric: tabular-nums; }

/* signed-in devices */
.session-list { list-style: none; margin: 0; padding: 0; }
.session-list li { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s-2) var(--s-4); padding: var(--s-3) 0; border-top: 1px solid var(--rule); }
.session-list li:first-child { border-top: 0; padding-top: 0; }
.session-list li > div { flex: 1 1 16rem; }
.session-list .status { margin-left: var(--s-2); }
.session-list form { margin: 0; }
.manage-row.is-required { padding: var(--s-3); border: 1px dashed var(--wait); border-radius: var(--r-sm); background: var(--wait-wash); }

/* two-factor policy: who × level */
.policy-table th[scope="row"] { font-weight: 400; }
.policy-table .policy-section th { background: var(--sheet-sunk); font-size: var(--fs-sm); }
.policy-table .level-cell { text-align: center; white-space: nowrap; }
.policy-table td.level-cell label { display: inline-flex; align-items: center; justify-content: center; min-width: 2.75rem; min-height: 2.75rem; margin: 0; cursor: pointer; }
/* the level name stays in the label for screen readers, shown on narrow screens only */
.policy-table td.level-cell .level-text { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.policy-table td.level-cell:has(input:checked) { background: var(--cyan-wash); }
@media (max-width: 40rem) {
  .policy-table td.level-cell .level-text { position: static; width: auto; height: auto; overflow: visible; clip-path: none; margin-left: var(--s-1); font-size: var(--fs-xs); }
  .policy-table thead { display: none; }
}

/* Bug reports – technical details and a screenshot */
.bug-details > summary { cursor: pointer; font-size: var(--fs-sm); color: var(--ink-soft); }
.bug-details .code-block { max-height: 22rem; white-space: pre-wrap; word-break: break-word; }
.bug-screenshot { margin: 0; }
.bug-screenshot img { display: block; max-width: 100%; height: auto; border: 1px solid var(--rule); border-radius: var(--r-sm); }