/* Mock exam pages (mock-exams.html, exam.html, admin.html).
   Builds on style.css tokens; loaded after it. */

/* - Forms - */
.form-card {
  max-width: 34rem;
  margin: 0 auto;
}
.field { display: block; margin-top: 1rem; }
.field span {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 0.375rem;
}
.field small { display: block; margin-top: 0.25rem; font-size: 0.75rem; color: var(--slate); }
.input, .textarea, select.input {
  width: 100%;
  font: inherit;
  font-size: 0.9375rem;
  padding: 0.625rem 0.75rem;
  border: 1px solid rgba(11,30,54,0.2);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
}
.input:focus, .textarea:focus { outline: 2px solid var(--teal); outline-offset: 0; border-color: var(--teal); }
.textarea { resize: vertical; line-height: 1.5; min-height: 8rem; }
.check {
  display: flex;
  gap: 0.625rem;
  align-items: flex-start;
  margin-top: 1rem;
  font-size: 0.875rem;
  color: var(--slate);
}
.check input { margin-top: 0.2rem; width: 1.1rem; height: 1.1rem; accent-color: var(--teal); flex: none; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }
.btn-danger { background: #B42318; color: #fff; }
.btn-danger:hover { filter: brightness(1.08); }
.btn-sm { padding: 0.4rem 0.9rem; font-size: 0.8125rem; }

.alert {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  line-height: 1.5;
  border: 1px solid;
}
.alert-error { background: #FEF3F2; border-color: #FDA29B; color: #912018; }
.alert-info { background: #EFF8F7; border-color: #9ED8D2; color: #0B4F4A; }
.hidden { display: none !important; }

.rules {
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  background: var(--paper);
  border-radius: 10px;
  border: 1px solid rgba(0,0,0,0.06);
}
.rules h3 { font-size: 0.9375rem; color: var(--navy); }
.rules ul { list-style: disc; padding-left: 1.25rem; margin-top: 0.5rem; }
.rules li { font-size: 0.8125rem; color: var(--slate); margin-top: 0.3rem; }

/* - Paper list - */
.paper-grid { display: grid; gap: 1rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .paper-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .paper-grid { grid-template-columns: repeat(4, 1fr); } }
.paper-card { display: flex; flex-direction: column; gap: 0.25rem; }
.paper-card .num { font-size: 1.25rem; font-weight: 700; color: var(--navy); }
.paper-card .ind { font-size: 0.8125rem; color: var(--slate); flex: 1; }
.paper-card .meta { font-size: 0.75rem; color: var(--slate-light); margin-top: 0.5rem; }
.paper-card .btn { margin-top: 0.75rem; }

/* Paper 0 (Free): highlighted card above the full papers */
.free-paper {
  display: flex; flex-direction: column; gap: 1rem;
  border-left: 4px solid var(--teal);
}
.free-paper .tag-free { background: #E6F4F2; color: var(--teal); font-weight: 600; }
.free-paper .meta { font-size: 0.8125rem; color: var(--slate); margin-top: 0.5rem; }
.free-paper .btn { align-self: flex-start; }
@media (min-width: 768px) {
  .free-paper { flex-direction: row; align-items: center; justify-content: space-between; }
  .free-paper .btn { align-self: center; flex-shrink: 0; }
}

/* - Exam shell - */
.exam-page { background: var(--paper); }
.exam-header {
  background: var(--navy);
  color: #fff;
}
.exam-header .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.75rem;
}
.exam-header .brand { font-size: 1.125rem; }
.exam-header .brand-logo { width: 1.9rem; height: 1.9rem; }
.exam-header .title { font-size: 0.8125rem; color: rgba(255,255,255,0.7); text-align: right; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  background: #fff;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  box-shadow: 0 2px 6px rgba(0,0,0,0.04);
}
.topbar .row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
}
.topbar-actions { display: flex; align-items: center; gap: 0.75rem; }
@media (max-width: 639px) {
  .topbar-actions { width: 100%; justify-content: space-between; }
}
.timer {
  font-variant-numeric: tabular-nums;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.02em;
}
.timer small { display: block; font-size: 0.6875rem; font-weight: 500; color: var(--slate); letter-spacing: 0; }
.timer.warn { color: #B54708; }
.timer.danger { color: #B42318; }
.save-status { font-size: 0.75rem; color: var(--slate); }
.save-status.ok { color: var(--teal); }
.save-status.bad { color: #B42318; font-weight: 600; }
.tabs { display: flex; gap: 0.5rem; }
.tab {
  font: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid rgba(11,30,54,0.2);
  background: #fff;
  color: var(--navy);
  cursor: pointer;
}
.tab[aria-selected="true"] { background: var(--navy); color: #fff; border-color: var(--navy); }

.navgrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(2.1rem, 1fr));
  gap: 0.3rem;
  margin-top: 1rem;
}
.navgrid button {
  font: inherit;
  font-size: 0.75rem;
  height: 2.1rem;
  border-radius: 6px;
  border: 1px solid rgba(11,30,54,0.2);
  background: #fff;
  color: var(--navy);
  cursor: pointer;
  position: relative;
}
.navgrid button.answered { background: var(--teal); border-color: var(--teal); color: #fff; }
.navgrid button.current { outline: 2px solid var(--navy); outline-offset: 1px; }
.navgrid button.flagged::after {
  content: "";
  position: absolute;
  top: 2px;
  right: 2px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #F79009;
}
.legend { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 0.5rem; font-size: 0.6875rem; color: var(--slate); }
.legend i { display: inline-block; width: 0.7rem; height: 0.7rem; border-radius: 3px; vertical-align: -1px; margin-right: 0.25rem; border: 1px solid rgba(11,30,54,0.2); }

.qcard { margin-top: 1rem; }
.qhead { display: flex; justify-content: space-between; gap: 1rem; font-size: 0.8125rem; color: var(--slate); }
.qhead strong { color: var(--navy); font-size: 0.9375rem; }
.stem p { margin-top: 0.75rem; line-height: 1.6; }
.statements { margin-top: 0.75rem; display: grid; gap: 0.4rem; }
.statements div { display: grid; grid-template-columns: 2.25rem 1fr; line-height: 1.5; }
.statements b { color: var(--navy); }
.options { margin-top: 1rem; display: grid; gap: 0.5rem; }
.option {
  display: grid;
  grid-template-columns: auto 1.75rem 1fr;
  align-items: start;
  gap: 0.5rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid rgba(11,30,54,0.15);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  line-height: 1.5;
}
.option:hover { border-color: var(--teal); }
.option input { margin-top: 0.3rem; accent-color: var(--teal); width: 1rem; height: 1rem; }
.option b { color: var(--navy); }
.option.selected { border-color: var(--teal); background: #EFF8F7; box-shadow: inset 0 0 0 1px var(--teal); }
.qnav { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem; margin-top: 1.25rem; }
@media (max-width: 639px) {
  .qnav { display: grid; grid-template-columns: 1fr 1fr; }
  .qnav .qflag { grid-column: 1 / -1; order: 3; }
}
/* On phones the header shows the paper name only (the learner's name is on the gate and confirmation). */
@media (max-width: 639px) {
  .exam-header .learner-name { display: none; }
}

/* Section B: case and answers side by side on wide screens */
.case-layout { display: grid; gap: 1.25rem; margin-top: 1rem; }
@media (min-width: 1100px) {
  .case-layout { grid-template-columns: 1fr 1fr; align-items: start; }
  .case-pane, .answer-pane {
    max-height: calc(100vh - 7.5rem);
    overflow-y: auto;
    position: sticky;
    top: 6.5rem;
  }
}
.case-pane p { margin-top: 0.75rem; line-height: 1.6; font-size: 0.9375rem; }
.case-pane h3 { font-size: 1rem; color: var(--navy); margin-top: 1.25rem; }
.case-pane .note { font-size: 0.8125rem; font-style: italic; color: var(--slate); margin-top: 0.25rem; }
.data-table { width: 100%; border-collapse: collapse; margin-top: 0.5rem; font-size: 0.8125rem; }
.data-table th { background: var(--navy); color: #fff; text-align: left; font-weight: 600; }
.data-table th, .data-table td { padding: 0.4rem 0.5rem; border: 1px solid rgba(11,30,54,0.15); vertical-align: top; line-height: 1.45; }
.table-scroll { overflow-x: auto; }
.bq { margin-top: 1.25rem; }
.bq:first-child { margin-top: 0; }
.bq h4 { font-size: 0.9375rem; color: var(--navy); }
.bq .qtext { margin-top: 0.375rem; font-size: 0.9375rem; line-height: 1.55; }
.bq .textarea { margin-top: 0.625rem; min-height: 10rem; }
.answer-grid { width: 100%; border-collapse: collapse; margin-top: 0.625rem; table-layout: fixed; }
.answer-grid th { background: var(--navy); color: #fff; font-size: 0.75rem; font-weight: 600; text-align: left; padding: 0.4rem; border: 1px solid rgba(11,30,54,0.15); }
.answer-grid td { border: 1px solid rgba(11,30,54,0.15); padding: 0; vertical-align: top; }
.answer-grid textarea {
  width: 100%;
  min-height: 4.5rem;
  border: 0;
  padding: 0.4rem;
  font: inherit;
  font-size: 0.8125rem;
  line-height: 1.45;
  resize: vertical;
  display: block;
}
.answer-grid textarea:focus { outline: 2px solid var(--teal); outline-offset: -2px; }

/* Exam protection: no selecting or copying paper content */
.protected { -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; }
.protected textarea, .protected input { -webkit-user-select: text; user-select: text; }
.watermark {
  position: fixed;
  inset: 0;
  z-index: 25;
  pointer-events: none;
  background-repeat: repeat;
}
@media print {
  body.exam-page * { display: none !important; }
  body.exam-page::after { content: "Printing is disabled for this exam."; display: block; padding: 2rem; font: 16px sans-serif; }
}

/* Toasts and modal */
.toast {
  position: fixed;
  left: 50%;
  bottom: 1.25rem;
  transform: translateX(-50%);
  z-index: 60;
  max-width: calc(100% - 2rem);
  background: var(--navy);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 10px;
  font-size: 0.875rem;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}
.modal-back {
  position: fixed;
  inset: 0;
  z-index: 70;
  background: rgba(7,20,38,0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}
.modal { background: #fff; border-radius: 12px; padding: 1.5rem; max-width: 30rem; width: 100%; box-shadow: 0 20px 40px rgba(0,0,0,0.25); }
.modal h2 { font-size: 1.125rem; color: var(--navy); }
.modal p { margin-top: 0.75rem; font-size: 0.9375rem; color: var(--slate); line-height: 1.55; }
.modal .btn-row { margin-top: 1.25rem; justify-content: flex-end; }

/* Confirmation */
.done-card { max-width: 34rem; margin: 0 auto; text-align: center; }
.done-card .tick {
  width: 3.5rem; height: 3.5rem; margin: 0 auto; border-radius: 50%;
  background: #EFF8F7; color: var(--teal); font-size: 2rem; line-height: 3.5rem; font-weight: 700;
}
.done-card h1 { margin-top: 1rem; font-size: 1.5rem; color: var(--navy); }
.done-card dl { margin: 1.25rem 0 0; display: grid; grid-template-columns: auto 1fr; gap: 0.5rem 1rem; text-align: left; }
.done-card dt { font-size: 0.8125rem; font-weight: 600; color: var(--slate); }
.done-card dd { margin: 0; font-size: 0.9375rem; color: var(--ink); word-break: break-word; }
.ref { font-size: 1.25rem; font-weight: 700; letter-spacing: 0.06em; color: var(--navy); }

.exam-footer {
  margin-top: 2rem;
  padding: 1rem 1.25rem;
  text-align: center;
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.75);
  background: var(--navy-dark);
}

/* - Admin - */
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.8125rem; background: #fff; }
.admin-table th { text-align: left; font-weight: 600; color: var(--slate); padding: 0.6rem 0.5rem; border-bottom: 1px solid rgba(0,0,0,0.1); white-space: nowrap; }
.admin-table td { padding: 0.6rem 0.5rem; border-bottom: 1px solid rgba(0,0,0,0.06); vertical-align: top; }
.admin-table tr.clickable { cursor: pointer; }
.admin-table tr.clickable:hover td { background: var(--paper); }
.badge { display: inline-block; font-size: 0.6875rem; font-weight: 600; padding: 0.15rem 0.55rem; border-radius: 999px; white-space: nowrap; }
.badge-new { background: #FFFAEB; color: #B54708; }
.badge-marked { background: #EFF8F7; color: var(--teal); }
.badge-sent { background: #ECFDF3; color: #067647; }
.badge-live { background: #EFF4FF; color: #1849A9; }
.badge-late { background: #FEF3F2; color: #B42318; }
.toolbar { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; justify-content: space-between; }
.mark-box { display: grid; grid-template-columns: 7rem 1fr; gap: 0.75rem; margin-top: 0.75rem; align-items: start; }
@media (max-width: 640px) { .mark-box { grid-template-columns: 1fr; } }
.learner-answer { margin-top: 0.5rem; padding: 0.75rem; background: var(--paper); border-radius: 8px; white-space: pre-wrap; font-size: 0.875rem; line-height: 1.55; }
details.memo { margin-top: 0.75rem; border: 1px solid rgba(11,122,114,0.3); border-radius: 8px; padding: 0.5rem 0.75rem; background: #F6FBFA; }
details.memo summary { cursor: pointer; font-size: 0.8125rem; font-weight: 600; color: var(--teal); }
details.memo p { margin-top: 0.5rem; font-size: 0.8125rem; line-height: 1.55; color: var(--ink); }
.ok-mark { color: #B42318; font-weight: 700; }
.admin-wrap { overflow-x: auto; }