/* Shared exam chrome for every EnglishCBT practice test.
 *
 * Chrome follows the site palette (British Council purple + cyan); the reading
 * surface itself stays plain white and neutral, as the real test does. */
:root {
  color-scheme: light;
  --ink: #16161a;
  --line: #c8ccd2;
  --line-soft: #e3e6ea;
  --chrome: #f6f5f9;
  --purple: #23085a;
  --purple-900: #180540;
  --cyan: #00dcff;
  --blue: #23085a;
  --blue-dark: #180540;
  --green: #157347;
  --red: #b02a37;
  --amber: #f0ad4e;
  --qfont: 15px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: Arial, Helvetica, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #fff;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
button { font-family: inherit; cursor: pointer; }

/* ---------- Top bar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 8px 14px; border-bottom: 3px solid var(--cyan); background: var(--purple);
  flex: 0 0 auto; color: #fff;
}
.who { font-size: 13px; color: rgba(255,255,255,.78); display: flex; align-items: center; gap: 9px; }
.who a { color: #fff; text-decoration: none; font-weight: 800; display: inline-flex; align-items: center; gap: 7px; }
.who a .dot { width: 9px; height: 9px; border-radius: 2px; background: var(--cyan); display: inline-block; }
.clockwrap { display: flex; align-items: center; gap: 10px; }
.clock {
  font-size: 17px; font-weight: 700; letter-spacing: .02em; padding: 4px 12px;
  border: 1px solid var(--line); border-radius: 4px; background: #fff; min-width: 128px; text-align: center;
  color: var(--ink);   /* must be set: the purple top bar sets colour to white */
}
.clock.warn { border-color: var(--amber); background: #fff6e6; }
.clock.danger { border-color: var(--red); background: #fdeaec; color: var(--red); }
.clock.hidden-time { color: #9aa0a6; }
.toolbtn {
  border: 1px solid rgba(255,255,255,.35); background: transparent; border-radius: 4px;
  padding: 6px 10px; font-size: 13px; color: #fff;
}
.toolbtn:hover { border-color: var(--cyan); color: var(--cyan); }
.toolbtn.primary { background: var(--cyan); border-color: var(--cyan); color: var(--purple-900); font-weight: 700; }
.toolbtn.primary:hover { background: #5ae9ff; color: var(--purple-900); }
.modal .toolbtn { border-color: var(--line); color: var(--ink); background: #fff; }
.modal .toolbtn:hover { border-color: var(--purple); color: var(--purple); }
.modal .toolbtn.primary { background: var(--purple); border-color: var(--purple); color: #fff; }
.modal .toolbtn.primary:hover { background: #2f0d73; color: #fff; }

/* ---------- Section banner ---------- */
.banner {
  flex: 0 0 auto; padding: 9px 16px; border-bottom: 1px solid var(--line-soft);
  background: #fafbfc; font-size: 13.5px;
}
.banner b { font-size: 14.5px; }

/* ---------- Panes ---------- */
.panes { flex: 1 1 auto; display: flex; min-height: 0; }
.pane { overflow-y: auto; padding: 18px 22px 60px; }
#passagePane { flex: 1 1 50%; border-right: 1px solid var(--line); }
#questionPane { flex: 1 1 50%; }
.splitter { flex: 0 0 6px; cursor: col-resize; background: var(--line-soft); }
.splitter:hover { background: var(--purple); }

.passage { font-size: var(--qfont); line-height: 1.62; max-width: 62ch; }
.passage h2 { font-size: 17px; margin: 0 0 12px; }
.passage h2.sub { margin-top: 26px; padding-top: 18px; border-top: 1px dashed var(--line); }
.passage p { margin: 0 0 13px; }
.passage mark { background: #ffe680; padding: 1px 0; }
.passage mark.noted { background: #ffe680; border-bottom: 2px dotted #a8730a; cursor: help; }

/* ---------- Question groups ---------- */
.qgroup { margin-bottom: 30px; }
.qgroup h3 { font-size: 15px; margin-bottom: 6px; }
.qgroup .instr {
  font-size: 13.5px; line-height: 1.55; background: #f6f8fa; border-left: 3px solid var(--purple);
  padding: 9px 12px; margin-bottom: 16px;
}
.q { display: flex; gap: 10px; padding: 9px 8px; border-radius: 4px; font-size: var(--qfont); line-height: 1.55; }
.q:target, .q.active { background: #f2eefa; }
.qnum {
  flex: 0 0 26px; height: 26px; border: 1px solid var(--ink); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 12.5px; font-weight: 700;
}
.qbody { flex: 1 1 auto; }
.qbody .qtext { display: block; }

/* multiple choice: radio / letter / text columns, so wrapped lines align */
.qbody .mcqopts { margin-top: 8px; display: flex; flex-direction: column; gap: 2px; }
.qbody .mcqopts label {
  display: grid; grid-template-columns: 18px 1fr; gap: 10px; align-items: start;
  padding: 6px 8px; border-radius: 4px; cursor: pointer;
}
.qbody .mcqopts label:hover { background: #f2eefa; }
.qbody .mcqopts label .opt { display: grid; grid-template-columns: 20px 1fr; gap: 2px; }
.flagwrap { font-size: 12px; color: #666; display: inline-flex; align-items: center; gap: 5px; margin-top: 9px; cursor: pointer; }

/* Block-level, not inline-flex: the row must claim the whole line, or the flag
   label flows up alongside the dropdown whenever the prompt is short. */
.inline { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
/* gap-fill: answer box stays in the run of text so the sentence still reads */
.qbody .gapline { line-height: 2.3; }
.qbody .gapline input[type="text"] { display: inline-block; vertical-align: baseline; margin: 0 4px; width: 170px; }

select.ans, input[type="text"].ans {
  font-family: inherit; font-size: 14px; padding: 5px 7px;
  border: 1px solid #767676; border-radius: 3px; background: #fff;
}
input[type="text"].ans { width: 190px; }
.qbody input[type="radio"], .qbody input[type="checkbox"] { width: auto; margin: 3px 0 0; padding: 0; border: 0; flex: 0 0 auto; }
select.ans:focus, input[type="text"].ans:focus { outline: 2px solid var(--purple); outline-offset: 0; }

/* ---------- Option boxes (headings list, sentence endings, features) ---------- */
.optbox { border: 1px solid var(--ink); border-radius: 4px; padding: 14px 16px; margin-bottom: 18px; background: #fbfbfd; }
.optbox h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: #444; margin-bottom: 10px; }
.optbox dl { display: grid; grid-template-columns: 34px 1fr; gap: 4px 10px; font-size: 14px; line-height: 1.5; }
.optbox dt { font-weight: 700; text-align: right; }
.optbox dd { color: var(--ink); }

/* ---------- Notes / summary blocks ---------- */
.notes { background: #fbfbfc; border: 1px solid var(--line-soft); padding: 12px 14px; margin-bottom: 14px; }
.notes h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: #555; margin-bottom: 8px; }
.notes .q { padding: 6px 0; }

/* ---------- Summary completion from a word bank ---------- */
.summarybox { border: 1px solid var(--line); border-radius: 5px; padding: 14px 16px; margin-bottom: 10px; background: #fbfbfd; }
.summarybox h4 { font-size: 15px; text-align: center; margin-bottom: 12px; }
.summarybox p { font-size: var(--qfont); line-height: 2.5; text-align: justify; }
.summarybox select.ans { margin: 0 3px; }
/* the word list itself: two columns of lettered words, as on the paper test */
.optbox.words dl { grid-template-columns: repeat(2, 34px 1fr); }

/* ---------- Table completion ---------- */
table.qtable { width: 100%; border-collapse: collapse; font-size: 14px; margin-bottom: 10px; }
table.qtable th, table.qtable td { border: 1px solid var(--line); padding: 9px 10px; text-align: left; vertical-align: middle; }
table.qtable th { background: var(--chrome); font-size: 12.5px; text-transform: uppercase; letter-spacing: .04em; }
table.qtable input[type="text"].ans { width: 130px; }
.qnum-inline {
  display: inline-flex; align-items: center; justify-content: center; width: 22px; height: 22px;
  border: 1px solid var(--ink); border-radius: 50%; font-size: 11.5px; font-weight: 700; margin-right: 6px;
}

/* ---------- Flow chart ---------- */
.flow { display: flex; flex-direction: column; align-items: stretch; gap: 0; margin-bottom: 10px; }
.flow .step {
  border: 1px solid var(--ink); border-radius: 5px; padding: 12px 14px; font-size: 14px; line-height: 1.6;
  background: #fff;
}
.flow .arrow { align-self: center; color: var(--purple); font-size: 18px; line-height: 1; padding: 6px 0; }
.flow input[type="text"].ans { width: 150px; }

/* ---------- Diagram labelling ----------
   Padding is 0 on purpose: the answer boxes are positioned in percentages, and
   with no padding those percentages map straight onto the SVG viewBox, so a box
   lands exactly where its leader line ends. */
.diagram { position: relative; border: 1px solid var(--line); border-radius: 5px; padding: 0; background: #fff; margin-bottom: 12px; overflow: hidden; }
.diagram svg { width: 100%; height: auto; display: block; }
.diagram .pin { position: absolute; display: flex; align-items: center; gap: 5px; }
.diagram .pin input[type="text"].ans { width: 118px; font-size: 13px; padding: 4px 6px; }

/* flags for questions that live inside a table/flow/diagram */
.flagrow { display: flex; flex-wrap: wrap; gap: 14px; font-size: 12px; color: #666; margin-bottom: 8px; }
.flagrow label { display: inline-flex; align-items: center; gap: 5px; cursor: pointer; }

/* ---------- Review mode (after marking) ---------- */
.clock.review { background: var(--purple-900); color: var(--cyan); border-color: var(--cyan); font-size: 13px; letter-spacing: .1em; }
body.reviewing .q { align-items: flex-start; }
body.reviewing .ans:disabled { background: #f4f4f7; color: var(--ink); opacity: 1; cursor: default; }

.fb { margin-top: 9px; border-left: 3px solid var(--green); background: #f2f9f5; padding: 8px 11px; border-radius: 0 4px 4px 0; font-size: 13px; }
.fb.no { border-left-color: var(--red); background: #fdf3f4; }
.fb-line { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.fb .yours { font-family: "SF Mono", Menlo, Consolas, monospace; }
.fb .why { color: #4a4a55; font-size: 12.5px; line-height: 1.5; margin-top: 5px; }
.evbtn {
  margin-left: auto; border: 1px solid var(--purple); background: #fff; color: var(--purple);
  border-radius: 4px; padding: 4px 10px; font-size: 12px; font-weight: 700; white-space: nowrap;
}
.evbtn:hover { background: var(--purple); color: #fff; }

/* feedback for questions that live inside a table/flow/diagram */
.fbstack { display: flex; flex-direction: column; gap: 8px; margin-bottom: 10px; }
.fbrow { display: flex; gap: 8px; align-items: flex-start; }
.fbrow .fb { margin-top: 0; flex: 1 1 auto; }
.q.looking { background: #f2eefa; box-shadow: inset 3px 0 0 var(--purple); }

/* the highlighted sentence in the passage */
.passage mark.evidence {
  background: #d7f7ff; box-shadow: 0 0 0 2px #d7f7ff, 0 0 0 3px var(--cyan);
  border-radius: 2px; padding: 1px 0;
}
.noevidence {
  border: 1px dashed var(--red); background: #fdf3f4; color: #7a1f28;
  padding: 12px 14px; border-radius: 5px; margin-bottom: 16px; font-size: 13.5px; line-height: 1.55;
}

/* ---------- Bottom bar ---------- */
.bottombar {
  flex: 0 0 auto; border-top: 1px solid var(--line); background: var(--chrome);
  padding: 7px 10px; display: flex; align-items: center; gap: 10px; overflow-x: auto;
}
.partgroup { display: flex; align-items: center; gap: 5px; }
.parttab {
  border: 1px solid var(--line); background: #fff; border-radius: 4px; padding: 5px 8px;
  font-size: 11.5px; font-weight: 700; white-space: nowrap;
}
.parttab.on { background: var(--ink); color: #fff; border-color: var(--ink); }
.palette { display: flex; gap: 2px; }
.pbtn {
  position: relative; width: 25px; height: 26px; border: 1px solid #9aa0a6; background: #fff;
  border-radius: 3px; font-size: 11.5px; color: #333; flex: 0 0 auto;
}
.pbtn:hover { border-color: var(--purple); }
.pbtn.answered { background: var(--ink); color: #fff; border-color: var(--ink); }
.pbtn.right { background: var(--green); color: #fff; border-color: var(--green); }
.pbtn.wrong { background: var(--red); color: #fff; border-color: var(--red); }
.pbtn.current { outline: 2px solid var(--purple); outline-offset: 1px; }
.pbtn.flagged::after {
  content: ""; position: absolute; top: -2px; right: -2px; width: 8px; height: 8px;
  background: var(--red); border-radius: 50%;
}

/* ---------- Right-click menu ---------- */
.ctxmenu {
  position: fixed; z-index: 60; background: #fff; border: 1px solid var(--line);
  box-shadow: 0 6px 20px rgba(0,0,0,.18); border-radius: 5px; padding: 4px; display: none; min-width: 150px;
}
.ctxmenu button { display: block; width: 100%; text-align: left; border: 0; background: none; padding: 7px 12px; font-size: 13px; border-radius: 4px; }
.ctxmenu button:hover { background: #f2eefa; }

/* ---------- Overlays ---------- */
.overlay { position: fixed; inset: 0; background: rgba(24,5,64,.6); z-index: 70; display: none; align-items: center; justify-content: center; padding: 20px; }
.overlay.on { display: flex; }
.modal { background: #fff; border-radius: 8px; max-width: 900px; width: 100%; max-height: 88vh; overflow-y: auto; padding: 26px 28px; }
.modal h2 { font-size: 20px; margin-bottom: 6px; }
.modal p.lede { color: #555; font-size: 14px; margin-bottom: 16px; line-height: 1.55; }
.modal .actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.revgrid { display: flex; flex-wrap: wrap; gap: 4px; margin: 6px 0 16px; }
.revsec { font-size: 12.5px; font-weight: 700; color: #555; margin-bottom: 4px; }
.legend { font-size: 12.5px; color: #666; display: flex; gap: 16px; flex-wrap: wrap; margin-top: 4px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.swatch { width: 13px; height: 13px; border: 1px solid #9aa0a6; border-radius: 2px; display: inline-block; }
.swatch.filled { background: var(--ink); border-color: var(--ink); }
.swatch.flag { background: var(--red); border-radius: 50%; border-color: var(--red); }

/* ---------- Results ---------- */
.scorehead { display: flex; gap: 26px; flex-wrap: wrap; align-items: center; padding: 16px 0 20px; border-bottom: 1px solid var(--line-soft); }
.scorebig { font-size: 40px; font-weight: 800; letter-spacing: -.02em; color: var(--purple); }
.scorebig small { display: block; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: #666; }
.bandnote { font-size: 13px; color: #666; max-width: 420px; line-height: 1.5; }
.blockhead { font-size: 13px; text-transform: uppercase; letter-spacing: .07em; color: #555; margin: 22px 0 10px; }
.panels { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
@media (max-width: 700px) { .panels { grid-template-columns: 1fr; } }
.panel .blockhead { margin-top: 18px; }

/* pacing: where the hour went */
.pacerow, .taskrow { display: grid; grid-template-columns: 1fr 90px 54px; gap: 10px; align-items: center; margin-bottom: 7px; font-size: 13px; }
.taskrow { grid-template-columns: 1fr 70px 40px; }
.pacelabel, .taskname { color: var(--ink); }
.pacebar, .taskbar { background: #eceaf2; border-radius: 3px; height: 8px; overflow: hidden; }
.pacebar i { display: block; height: 100%; background: var(--purple); }
.taskbar i { display: block; height: 100%; background: var(--green); }
.taskbar.mid i { background: var(--amber); }
.taskbar.no i { background: var(--red); }
.pacetime, .taskscore { text-align: right; color: #555; font-variant-numeric: tabular-nums; }
.pacenote { font-size: 12.5px; color: #4a4a55; line-height: 1.5; margin-top: 10px; background: #f6f5f9; border-left: 3px solid var(--purple); padding: 8px 10px; }

table.history { border-collapse: collapse; font-size: 13px; }
table.history th, table.history td { text-align: left; padding: 6px 22px 6px 0; border-bottom: 1px solid var(--line-soft); }
table.history th { font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; color: #777; }

.tasktag { color: #6b6b76; font-size: 12px; }
.spellnote {
  background: #fff6e6; border-left: 3px solid var(--amber); padding: 6px 9px; border-radius: 0 3px 3px 0;
  font-size: 12.5px; color: #6b4a05; line-height: 1.5; margin-bottom: 4px;
}

/* live word-limit warning while typing */
input[type="text"].ans.overlimit { border-color: var(--red); background: #fdf3f4; }
.limitnote { display: block; font-size: 12px; color: var(--red); margin-top: 4px; }

table.results { width: 100%; border-collapse: collapse; margin-top: 14px; font-size: 13.5px; }
table.results th, table.results td { text-align: left; padding: 9px 8px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
table.results th { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: #666; }
tr.wrong { background: #fdf3f4; }
.mark { font-weight: 800; }
.mark.ok { color: var(--green); }
.mark.no { color: var(--red); }
.yours { font-family: "SF Mono", Menlo, Consolas, monospace; }
.yours.blank { color: #999; font-style: italic; font-family: inherit; }
.why { color: #555; font-size: 12.5px; margin-top: 3px; line-height: 1.5; }

.tablewrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 10px; }

/* ---------- Mobile: one pane at a time ---------- */
.mobtabs { display: none; }
@media (max-width: 820px) {
  .splitter { display: none; }
  .panes { flex-direction: column; }
  #passagePane, #questionPane { flex: 1 1 auto; border-right: 0; }
  body.show-q #passagePane { display: none; }
  body.show-p #questionPane { display: none; }
  .mobtabs { display: flex; gap: 6px; }
  .who span:last-child { display: none; }
  .pane { padding: 14px 15px 40px; }
  /* the answer boxes are pinned over the diagram in percentages; on a narrow screen a
     desktop-width box runs off the right edge, so shrink the box, not the diagram */
  .diagram .pin input[type="text"].ans { width: 72px; font-size: 12px; padding: 3px 5px; }
  .diagram .pin .qnum-inline { width: 18px; height: 18px; font-size: 10px; margin-right: 3px; }
  .qtable { min-width: 460px; }         /* let it scroll rather than crush the columns */
  input[type="text"].ans { width: 150px; }
  .summarybox p { line-height: 2.6; text-align: left; }
  .evbtn { margin-left: 0; }
  .fb-line { gap: 6px; }
}