:root {
  --ink: #111;
  --muted: #5a5a5a;
  --line: #222;
  --gray-box: #f2f2f2;
  --panel: #f7f5f0;
  --accent: #1f4e79;
  --accent-hover: #163a5a;
  --danger: #8a1f1f;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.14);
  --page-w: 8.5in;
  --page-h: 11in;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, #eef3f8, transparent 40%),
    linear-gradient(180deg, #ebe6dc, #d9d2c5);
  min-height: 100vh;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.topbar-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0.9rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.topbar h1 {
  margin: 0;
  font-size: 1.25rem;
  color: var(--accent);
}

.topbar p {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.download-btn {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 0.75rem 1.25rem;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}

.download-btn:hover:not(:disabled) {
  background: var(--accent-hover);
}

.download-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.layout {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.25rem;
  display: grid;
  grid-template-columns: minmax(260px, 320px) minmax(0, 1fr);
  gap: 1.25rem;
  align-items: start;
}

.controls {
  background: #fff;
  border-radius: 16px;
  padding: 1.1rem 1.15rem 1.25rem;
  box-shadow: var(--shadow);
  position: sticky;
  top: 5.5rem;
}

.controls h2 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
}

.status {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.status.error {
  color: var(--danger);
}

.controls label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.85rem;
  font-size: 0.86rem;
  font-weight: 700;
  color: #333;
}

.controls input,
.controls select {
  font: inherit;
  font-weight: 400;
  padding: 0.55rem 0.65rem;
  border: 1px solid #cfc8bb;
  border-radius: 10px;
  background: #fff;
}

.controls input:focus,
.controls select:focus {
  outline: 2px solid rgba(31, 78, 121, 0.35);
  border-color: var(--accent);
}

.field-group {
  border: 0;
  margin: 0 0 0.85rem;
  padding: 0;
  min-width: 0;
  font-size: 0.86rem;
}

.field-group legend {
  padding: 0;
  margin-bottom: 0.35rem;
  font-size: inherit;
  font-weight: 700;
  color: #333;
}

.time-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.time-row select {
  width: 100%;
}

.stepper {
  display: grid;
  grid-template-columns: 2.6rem 1fr 2.6rem;
  gap: 0.4rem;
}

.stepper input {
  width: 100%;
  min-width: 0;
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.step-btn {
  appearance: none;
  border: 1px solid #cfc8bb;
  border-radius: 10px;
  background: #faf8f4;
  color: var(--accent);
  font: inherit;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  user-select: none;
}

.step-btn:hover {
  background: #eef3f8;
  border-color: var(--accent);
}

.step-btn:active {
  background: #dfe8f1;
}

.step-btn:focus-visible {
  outline: 2px solid rgba(31, 78, 121, 0.35);
  border-color: var(--accent);
}

.field-note {
  margin: 0.3rem 0 0;
  font-size: 0.76rem;
  color: var(--muted);
}

.hint {
  margin: 0.4rem 0 0;
  font-size: 0.8rem;
  line-height: 1.4;
  color: var(--muted);
  font-weight: 400;
}

.preview-wrap {
  display: flex;
  justify-content: center;
  overflow: auto;
  padding-bottom: 2rem;
}

/* ---- Cover page preview: mirrors template/cover-page.docx ---- */
.page {
  --doc-ink: #1a1a1a;
  --doc-muted: #595959;
  --doc-rule: #7f7f7f;
  --doc-fill: #f2f2f2;
  --doc-dark: #404040;
  --doc-line: #262626;
  --brit: "Britannic Bold", Arial, Helvetica, sans-serif;
  width: var(--page-w);
  height: var(--page-h);
  background: #fff;
  color: var(--doc-ink);
  box-shadow: var(--shadow);
  padding: 0.4in 0.7in 0.35in;
  position: relative;
  display: flex;
  flex-direction: column;
  font-family: Arial, Helvetica, sans-serif;
}

/* Student ID strip (top left) */
.id-table {
  width: 5.31in;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 10pt;
}

.id-table td {
  height: 0.35in;
  padding: 0 0.07in;
  border: 0.5pt solid var(--doc-rule);
  white-space: nowrap;
  overflow: hidden;
}

.id-table .label {
  background: var(--doc-fill);
  font-weight: 700;
}

.id-table .date span {
  color: var(--doc-muted);
}

/* Invigilator box: top-right, upside down so the invigilator signs from their side */
.invigilator-box {
  position: absolute;
  top: 0.4in;
  right: 0.7in;
  width: 1.68in;
  height: 0.79in;
  border: 0.75pt solid var(--doc-rule);
  background: #fff;
  transform: rotate(180deg);
  display: flex;
  flex-direction: column;
}

.box-head {
  background: var(--doc-dark);
  color: #fff;
  font-size: 8pt;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  text-align: center;
  line-height: 1.3;
  padding: 0.04in 0.05in;
}

.invigilator-box .box-body {
  flex: 1;
  padding: 0.04in 0.08in;
  font-size: 9pt;
  font-weight: 700;
  color: var(--doc-muted);
}

/* Main area: content | divider bar | marks column */
.main {
  display: grid;
  grid-template-columns: 72.38% 1fr;
  height: 8.47in;
  margin-top: 0.28in;
}

.main-left {
  border-right: 3pt solid var(--doc-line);
  padding-right: 0.21in;
}

.main-right {
  padding-left: 0.21in;
}

.title-block {
  display: flex;
  align-items: center;
}

.crest {
  width: 1.1in;
  height: 1.1in;
  object-fit: contain;
  flex: 0 0 auto;
  margin-right: 0.08in;
}

.school-name {
  font-family: var(--brit);
  font-weight: 400;
  font-size: 29pt;
  line-height: 1.12;
}

.double-rule {
  border-bottom: 3px double #a6a6a6;
  margin: 0.06in 0 0.24in;
}

.meta-lines p {
  margin: 0;
  font-family: var(--brit);
  font-weight: 400;
  line-height: 1.2;
}

.meta-year {
  font-size: 17pt;
  color: var(--doc-muted);
  margin-bottom: 0.08in !important;
}

.meta-exam {
  font-size: 24pt;
  margin-bottom: 0.06in !important;
}

.meta-subject {
  font-size: 20pt;
}

.meta-unit {
  font-size: 17pt;
  color: var(--doc-dark);
  margin-bottom: 0.18in !important;
}

.meta-time {
  font-size: 17pt;
  padding-bottom: 0.16in;
  border-bottom: 0.5pt solid #bfbfbf;
  margin-bottom: 0.3in !important;
}

.meta-year .live-year {
  color: inherit;
}

.instructions h3 {
  margin: 0 0 0.14in;
  font-size: 12pt;
  font-weight: 700;
}

.instructions ol {
  margin: 0;
  padding-left: 0.28in;
  font-size: 10.5pt;
  line-height: 1.38;
}

.instructions li {
  margin-bottom: 0.13in;
  padding-left: 0.02in;
}

.instructions li::marker {
  font-weight: 700;
}

.instructions .bold {
  font-weight: 700;
}

/* Examiner's marks column: one row per question */
.marks-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 8.5pt;
}

.marks-table td {
  border: 0.5pt solid var(--doc-rule);
  padding: 0 0.05in;
  text-align: center;
  font-weight: 700;
}

.marks-head td {
  height: 0.29in;
  background: var(--doc-dark);
  border-color: var(--doc-dark);
  color: #fff;
  font-size: 8pt;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

.marks-cols td {
  height: 0.22in;
  background: var(--doc-fill);
}

.marks-table tbody td:first-child {
  background: var(--doc-fill);
}

.marks-total td {
  height: 0.44in;
}

.marks-total td:first-child {
  background: #d9d9d9;
}

.marks-total td:last-child {
  vertical-align: bottom;
  text-align: right;
  font-size: 9pt;
  color: var(--doc-muted);
  padding-bottom: 0.03in;
}

.marks-total .live-marks-outof.filled {
  color: var(--doc-muted);
}

.placeholder {
  color: #8c8c8c;
}

.filled {
  color: inherit;
}

.footer-line {
  margin-top: auto;
  border-top: 1pt solid var(--doc-line);
  padding-top: 0.08in;
  display: flex;
  justify-content: space-between;
  font-family: var(--brit);
  font-weight: 400;
  font-size: 16pt;
  font-style: italic;
}

@media (max-width: 1100px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .controls {
    position: static;
  }

  .page {
    transform-origin: top center;
    transform: scale(0.72);
    margin-bottom: -3in;
  }
}

@media (max-width: 700px) {
  .topbar-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .page {
    transform: scale(0.48);
    margin-bottom: -5.5in;
  }
}