/* ============================================================
   exam-sit.css — the student "sit it" page (/exam-maker/sit)
   A student following a teacher's link lands here: no builder
   rail, no controls, just the paper, a clock, and self-marking.
   ============================================================ */

.sit-page { max-width: 900px; }

/* ---------- start card ---------- */
.sit-start {
  background: var(--paper-white);
  border: 1.5px solid var(--ink); border-radius: 16px;
  box-shadow: 5px 5px 0 var(--riso-green);
  padding: 28px 30px; margin: 22px 0 40px;
}
.sit-kicker {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--riso-green-deep); margin-bottom: 10px;
}
.sit-start h1 { font-size: clamp(26px, 3.6vw, 40px); line-height: 1.1; letter-spacing: -0.02em; margin-bottom: 8px; }
.sit-sub { font-style: italic; color: var(--ink-dim); margin-bottom: 18px; }
.sit-facts {
  display: flex; flex-wrap: wrap; gap: 8px 28px; align-items: baseline;
  border-top: 1.5px solid var(--ink); border-bottom: 1.5px solid var(--ink);
  padding: 12px 0; margin-bottom: 16px; font-size: 15px;
}
.sit-facts .mono { font-size: 12px; color: var(--ink-dim); margin-left: auto; }
.sit-covers { font-size: 13.5px; color: var(--ink-dim); margin-bottom: 16px; line-height: 1.5; }
.sit-covers b {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--riso-green-deep); margin-right: 6px;
}
.sit-how { margin: 0 0 16px 20px; font-size: 14.5px; line-height: 1.65; }
.sit-privacy {
  font-size: 13px; line-height: 1.55; color: var(--ink-dim);
  border-left: 3px solid var(--riso-pink); padding-left: 12px; margin-bottom: 20px;
}
.sit-start .em-btn { max-width: 240px; }
.sit-resume { font-size: 12.5px; color: var(--riso-green-deep); margin-top: 10px; font-family: var(--font-mono); }

/* ---------- sticky bar: clock + mark ---------- */
.sit-bar {
  position: sticky; top: calc(var(--topbar-h, 70px) + 8px); z-index: 45;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  background: var(--paper-white);
  border: 1.5px solid var(--ink); border-radius: 12px;
  box-shadow: 3px 3px 0 var(--riso-green);
  padding: 9px 14px; margin-bottom: 18px;
}
.sit-bar-name { font-weight: 600; font-size: 14px; margin-right: auto; }
.sit-clock {
  font-family: var(--font-mono); font-size: 20px; font-weight: 700;
  letter-spacing: 0.02em; min-width: 68px; text-align: right;
}
.sit-bar.over .sit-clock { color: var(--riso-pink-deep); }
.sit-mini {
  border: 1.5px solid var(--ink); border-radius: 7px; background: var(--paper-white);
  font-family: var(--font-mono); font-size: 11px; padding: 4px 9px; cursor: pointer; color: var(--ink);
}
.sit-mini:hover { background: var(--riso-green); color: var(--on-brand); }
.sit-markbtn { width: auto; padding: 8px 18px; font-size: 14px; }
@media (max-width: 620px) {
  .sit-bar-name { display: none; }
  .sit-markbtn { margin-left: auto; }
}

/* ---------- answer inputs on the sheet ---------- */
.sheet .sit-in {
  display: block; width: 100%; margin: 4px 0 14px;
  font-family: inherit; font-size: 14.5px; line-height: 1.7;
  color: #1a1a1a; background: #fffdf8;
  border: 1px solid #b9b2a0; border-radius: 6px;
  padding: 8px 10px; resize: vertical;
}
.sheet .sit-in:focus { outline: 2.5px solid var(--riso-green); outline-offset: 1px; background: #fff; }
.sheet .sit-in[readonly] { background: #f4f1e9; color: #555; }
.sheet .sit-slots { display: flex; flex-wrap: wrap; gap: 10px; margin: 6px 0 14px; }
.sheet .sit-slot { display: flex; align-items: center; gap: 7px; }
.sheet .sit-slot > span { font-weight: 700; min-width: 2.2em; }
.sheet .sit-slot input { width: 190px; margin: 0; }
.sheet .sit-opts li { padding: 2px 0; }
.sheet .sit-opt { display: flex; gap: 9px; align-items: flex-start; cursor: pointer; }
.sheet .sit-opt input { margin-top: 4px; accent-color: #1a1a1a; flex: none; }
.sheet .sit-note { font-size: 12.5px; font-style: italic; color: #6b6558; margin: -6px 0 14px; }

/* ---------- hint ---------- */
.sheet .sit-hint { margin: -4px 0 14px; }
.sheet .sit-hint > summary {
  cursor: pointer; list-style: none; display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.06em; text-transform: uppercase;
  color: #8a6a78; border: 1px dashed #c9a8b6; border-radius: 999px; padding: 3px 11px;
}
.sheet .sit-hint > summary::-webkit-details-marker { display: none; }
.sheet .sit-hint > summary:hover { background: #fdf0f5; color: #7a4a5e; }
.sheet .sit-hint[open] > summary { margin-bottom: 8px; }
.sit-hint-lbl {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em;
  text-transform: uppercase; color: #8a8272; margin-bottom: 5px;
}
.sit-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.sit-chips .chip {
  font-size: 12.5px; background: #fdf0f5; border: 1px solid #e2c3d0;
  border-radius: 999px; padding: 2px 10px; color: #6b3a4d;
}

/* ---------- marking ---------- */
.sit-mark { border-top: 2px dashed #b9b2a0; margin: 14px 0 4px; padding-top: 12px; }
.mk-verdict { font-weight: 700; font-size: 14px; margin-bottom: 4px; }
.mk-verdict.ok { color: #1d7a4c; }
.mk-verdict.no { color: #b3306a; }
.mk-verdict.blank { color: #6b6558; }
.mk-why { font-size: 13.5px; color: #4a4638; }
.mk-lbl { font-size: 12.5px; color: #6b6558; font-style: italic; margin-bottom: 10px; }
.mk-part { margin-bottom: 14px; }
.mk-plabel { font-weight: 700; margin-bottom: 4px; }
.mk-you {
  margin: 0 0 8px; padding: 7px 11px; background: #f4f1e9;
  border-left: 3px solid #b9b2a0; font-size: 14px; white-space: pre-wrap;
}
.mk-you i { color: #8a8272; }
.mk-points { border: 1px solid #d8d3c5; border-radius: 8px; padding: 9px 11px; background: #fffdf8; }
.mk-point { display: flex; gap: 9px; align-items: flex-start; padding: 4px 0; cursor: pointer; font-size: 14px; }
.mk-point input { margin-top: 4px; accent-color: #1d7a4c; flex: none; width: 16px; height: 16px; }
.mk-sp { font-family: var(--font-mono); font-size: 10px; color: #8a8272; }
.mk-alts { margin: -2px 0 6px 34px; padding: 0; list-style: none; font-size: 13px; color: #6b6558; }
.mk-alts li::before { content: "or "; color: #a09884; }
.mk-note { font-size: 12.5px; font-style: italic; color: #6b6558; margin: 6px 0 0; }
.mk-cap { font-family: var(--font-mono); font-size: 10.5px; color: #8a8272; margin: 8px 0 0; }
.sheet .mk-correct { background: #e8f6ee; border-radius: 5px; }
.sheet .mk-wrong { background: #fdeaf1; border-radius: 5px; }

/* ---------- result ---------- */
.sit-results {
  background: var(--paper-white); border: 1.5px solid var(--ink); border-radius: 14px;
  box-shadow: 4px 4px 0 var(--riso-pink); padding: 20px 24px; margin-bottom: 20px;
}
.sit-results h2 { font-size: 22px; margin-bottom: 10px; }
.sit-score-row { display: flex; align-items: baseline; gap: 14px; margin-bottom: 16px; }
.sit-score { font-family: var(--font-mono); font-size: 34px; font-weight: 700; }
.sit-pct { font-size: 17px; color: var(--riso-green-deep); font-weight: 700; }
.sit-bd-lbl {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--ink-dim); margin-bottom: 8px;
}
.bd-row { display: flex; align-items: center; gap: 10px; margin-bottom: 5px; font-size: 13px; }
.bd-tag { font-family: var(--font-mono); font-size: 11.5px; min-width: 4.5em; }
.bd-bar { flex: 1; height: 9px; background: var(--paper); border: 1px solid var(--ink); border-radius: 999px; overflow: hidden; }
.bd-bar i { display: block; height: 100%; background: var(--riso-green); }
.bd-num { font-family: var(--font-mono); font-size: 11.5px; min-width: 3.5em; text-align: right; }
.sit-results .em-btn { margin-top: 16px; }
.sit-again-note { font-size: 12.5px; color: var(--ink-dim); margin-top: 10px; font-style: italic; }

.sit-share {
  margin-top: 18px; padding: 14px 16px 12px;
  border: 1.5px solid var(--ink); border-radius: 12px;
  background: var(--paper); box-shadow: 3px 3px 0 var(--riso-green);
}
.sit-share .sit-bd-lbl { color: var(--riso-green-deep); }
.sit-results .sit-share-btn {
  margin: 0; width: 100%; background: var(--riso-green); font-size: 16px; padding: 12px;
  /* The halo follows whichever palette is on: pink on the riso theme,
     orange on the accessible one, so it reads against the button. */
  --pulse: rgba(255, 126, 182, 0.55);
  animation: share-pulse 2.2s ease-in-out infinite;
}
@supports (color: color-mix(in srgb, red 50%, transparent)) {
  .sit-results .sit-share-btn { --pulse: color-mix(in srgb, var(--riso-pink) 65%, transparent); }
}
.sit-results .sit-share-btn:hover, .sit-results .sit-share-btn:focus-visible { animation: none; background: var(--riso-pink); }
.sit-results .sit-share-btn.copied { animation: none; background: var(--paper-white); }
@keyframes share-pulse {
  0%, 100% { box-shadow: 3px 3px 0 var(--ink), 0 0 0 0 var(--pulse); }
  50% { box-shadow: 3px 3px 0 var(--ink), 0 0 0 10px transparent; }
}
@media (prefers-reduced-motion: reduce) { .sit-results .sit-share-btn { animation: none; } }
.sit-share-why { font-size: 13px; color: var(--ink-dim); line-height: 1.5; margin: 10px 0 12px; }
.sit-share .share-row { margin-bottom: 0; }

/* ---------- restart confirmation ---------- */
/* Restarting clears a student's answers, so it asks in the site's own voice
   rather than a browser confirm box. */
.sit-confirm {
  border: 1.5px solid var(--ink); border-radius: 14px; padding: 22px 24px;
  background: var(--paper-white); color: var(--ink);
  box-shadow: 6px 6px 0 var(--riso-pink);
  width: min(440px, calc(100vw - 32px));
  margin: auto;
}
.sit-confirm::backdrop { background: rgba(0, 0, 0, 0.45); }
.sit-confirm h2 { font-size: 21px; font-weight: 600; letter-spacing: -0.02em; margin-bottom: 8px; }
.sit-confirm p { font-size: 14.5px; color: var(--ink-dim); line-height: 1.55; margin-bottom: 18px; }
.sit-confirm-row { display: flex; gap: 10px; flex-wrap: wrap; }
.sit-confirm-row .em-btn { width: auto; flex: 1 1 auto; margin: 0; padding: 10px 16px; font-size: 14px; }

.sit-empty { padding: 60px 0; max-width: 60ch; }
.sit-empty h1 { font-size: 30px; margin-bottom: 12px; }
.sit-empty p { color: var(--ink-dim); line-height: 1.6; margin-bottom: 10px; }

@media print { .sit-bar, .sit-start, .sit-hint { display: none !important; } }

/* Command-term tips (sit page only — a printed paper is a test, this is
   self-marked practice). Pure CSS so the downloadable single file keeps
   working: hover on a pointer, focus for keyboard and touch. */
.sit-q .ct {
  position: relative;
  border-bottom: 1.5px dotted var(--riso-green, #2f6b4f);
  cursor: help;
  outline: none;
}
.sit-q .ct::after {
  content: attr(data-tip);
  position: absolute; left: 0; top: calc(100% + 7px); z-index: 40;
  width: max-content; max-width: min(330px, 74vw);
  background: #1d2b25; color: #f4f1e8;
  font-family: var(--font-sans, system-ui, sans-serif);
  font-size: 13px; font-style: normal; font-weight: 400; line-height: 1.4;
  letter-spacing: 0; text-align: left;
  padding: 8px 11px; border-radius: 7px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.22);
  opacity: 0; visibility: hidden; transform: translateY(-3px);
  transition: opacity .13s, transform .13s, visibility .13s;
  pointer-events: none;
}
.sit-q .ct:hover::after, .sit-q .ct:focus::after, .sit-q .ct:focus-visible::after {
  opacity: 1; visibility: visible; transform: translateY(0);
}
@media print { .sit-q .ct { border-bottom: none; } .sit-q .ct::after { display: none; } }


/* After marking: the topics you dropped marks on, with somewhere to go.
   Only rendered when a lesson or quiz for that topic actually exists. */
.sit-next { margin-top: 22px; border-top: 1px solid var(--hairline, #d8d3c5); padding-top: 16px; }
.sit-next-head {
  font-family: var(--font-display); font-size: 15px; font-weight: 700;
  margin-bottom: 10px;
}
.sn-row { display: flex; gap: 12px; align-items: baseline; padding: 7px 0; }
.sn-row + .sn-row { border-top: 1px dotted var(--hairline, #d8d3c5); }
.sn-code {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .06em;
  color: var(--paper-white, #fff); background: var(--ink, #1a1a1a);
  border-radius: 999px; padding: 3px 9px; white-space: nowrap; flex: none;
}
.sn-links { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.sn-links a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.sn-kind {
  font-family: var(--font-mono); font-size: 10px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--ink-dim, #6d675a); margin-left: 6px;
}
@media print { .sit-next { display: none; } }