/* Maths 6e N1 — parcours commun */
:root {
  --ink: #1c1b2e;
  --ink-2: #3d3a5c;
  --ink-3: #6b6896;
  --paper: #f7f6f2;
  --paper-2: #eeecea;
  --card: #ffffff;
  --accent: #2d6a4f;
  --accent-bg: #d8f3dc;
  --warn: #a06000;
  --warn-bg: #fff0d0;
  --line: #d8d5cf;
  --font-d: Georgia, "Times New Roman", serif;
  --font-b: "Segoe UI", system-ui, sans-serif;
  --max: 820px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-b);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.55;
  font-size: 16px;
}

.top {
  max-width: var(--max);
  margin: 0 auto;
  padding: 20px 18px 8px;
}
.top .back {
  color: var(--accent);
  text-decoration: none;
  font-size: 13px;
}
.top .badge {
  display: inline-block;
  margin: 10px 0 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  background: var(--warn-bg);
  color: var(--warn);
  border: 1px solid #e0c060;
  border-radius: 999px;
  padding: 4px 10px;
}
.top h1 {
  font-family: var(--font-d);
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  margin: 0 0 4px;
  line-height: 1.25;
}
.top .sub {
  color: var(--ink-3);
  font-size: 13px;
  margin: 0 0 12px;
}

.content {
  max-width: var(--max);
  margin: 0 auto;
  padding: 8px 18px 48px;
  background: var(--card);
  border: 1px solid var(--paper-2);
  border-radius: 12px;
  box-shadow: 0 1px 0 rgba(28, 27, 46, .04);
}

.content h2,
.content h3,
.content h4 {
  font-family: var(--font-d);
  color: var(--ink);
  margin: 1.35em 0 .45em;
  line-height: 1.3;
}
.content h2 { font-size: 1.35rem; border-bottom: 1px solid var(--line); padding-bottom: .25em; }
.content h3 { font-size: 1.15rem; }
.content h4 { font-size: 1.05rem; }
.content h2.exo-title,
.content h3.exo-title {
  color: var(--accent);
  border-bottom-color: #b7e4c7;
}

.content p {
  margin: .55em 0;
  color: var(--ink-2);
}
.content p.prompt {
  color: var(--ink);
  font-weight: 500;
}
.content p.missing {
  background: #fde8ec;
  border-left: 3px solid #b5182b;
  padding: 8px 10px;
  border-radius: 0 6px 6px 0;
  font-size: 13px;
  color: #6b2030;
}

.content figure.fig {
  margin: 1em 0;
  text-align: center;
}
.content figure.fig img,
.content figure.fig svg.odt-svg {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}
.content .inline-fig {
  display: inline-block;
  vertical-align: middle;
  margin: 0 .15em;
}
.content .inline-fig img,
.content .inline-fig svg {
  max-height: 2.4em;
  width: auto;
  vertical-align: middle;
}
.content .math-inline {
  display: inline-block;
  vertical-align: middle;
  margin: 0 .12em;
  font-size: 1.05em;
}
.content math {
  font-family: "Cambria Math", "Latin Modern Math", STIX Two Math, serif;
}

.content table.data {
  width: 100%;
  border-collapse: collapse;
  margin: .9em 0;
  font-size: 14px;
  background: #fff;
}
.content table.data th,
.content table.data td {
  border: 1px solid var(--line);
  padding: 7px 9px;
  text-align: left;
  vertical-align: top;
}
.content table.data th {
  background: var(--paper-2);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: var(--ink-3);
}
.content table.data td .math-inline,
.content table.data td .inline-fig {
  margin: 2px;
}

.foot {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 18px 40px;
  font-size: 13px;
  color: var(--ink-3);
}
.foot a { color: var(--accent); }

/* Fil d'Ariane */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 8px;
  font-size: 13px;
  margin: 0 0 10px;
  color: var(--ink-3);
}
.breadcrumb a {
  color: var(--accent);
  text-decoration: none;
}
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb .bc-sep { color: var(--line); user-select: none; }
.breadcrumb .bc-current { color: var(--ink-2); font-weight: 600; }

/* Navigation exercice */
.exo-nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 18px 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: space-between;
  align-items: center;
}
.nav-btn {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--accent);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
}
.nav-btn:hover { background: var(--accent-bg); }
.nav-btn.disabled {
  opacity: .45;
  pointer-events: none;
  color: var(--ink-3);
}
.nav-btn.nav-mid { font-weight: 500; color: var(--ink-2); }

/* Zone commentaire */
.feedback {
  max-width: var(--max);
  margin: 16px auto 8px;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  border-left: 4px solid var(--warn);
}
.feedback-title {
  font-family: var(--font-d);
  font-size: 1.05rem;
  margin: 0 0 4px;
  color: var(--ink);
}
.feedback-hint {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--ink-3);
}
.feedback-text {
  width: 100%;
  font-family: var(--font-b);
  font-size: 14px;
  line-height: 1.45;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  resize: vertical;
  min-height: 88px;
  background: var(--paper);
  color: var(--ink);
}
.feedback-text:focus {
  outline: 2px solid #b7e4c7;
  border-color: var(--accent);
}
.feedback-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin-top: 10px;
}
.btn-save {
  appearance: none;
  border: none;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 13px;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
}
.btn-save:hover { filter: brightness(1.05); }
.feedback-saved {
  font-size: 12px;
  color: var(--ink-3);
}

/* Listes série / index */
.series-index .exo-list,
.exo-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}
.exo-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px solid var(--paper-2);
  font-size: 14px;
}
.exo-item a {
  color: var(--ink);
  text-decoration: none;
}
.exo-item a:hover { color: var(--accent); }
.exo-item.has-comment a { font-weight: 600; }
.exo-comment-dot { font-size: 12px; }

.comment-row {
  background: #fff;
  border: 1px solid var(--paper-2);
  border-radius: 10px;
  padding: 12px 14px;
  margin: 0 0 10px;
  list-style: none;
}
.comment-key code {
  font-size: 12px;
  background: var(--paper-2);
  padding: 2px 6px;
  border-radius: 4px;
}
.comment-meta {
  font-size: 12px;
  color: var(--ink-3);
  margin: 4px 0 8px;
}
.comment-body {
  margin: 0;
  white-space: pre-wrap;
  font-family: var(--font-b);
  font-size: 14px;
  color: var(--ink-2);
}

.btn-export {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
  text-decoration: none;
}
.btn-export.secondary {
  background: #fff;
  color: var(--accent);
  border: 1px solid var(--line);
}

@media (max-width: 640px) {
  .content { border-radius: 0; border-left: 0; border-right: 0; }
  .content table.data { font-size: 12px; }
  .exo-nav { flex-direction: column; align-items: stretch; }
  .nav-btn { justify-content: center; }
}

/* ── Layout exercice + colonne résultats ── */
body.has-results-layout {
  --rp-w: 280px;
  --layout-max: 1120px;
}
body.has-results-layout .top,
body.has-results-layout .exo-nav,
body.has-results-layout .foot,
body.has-results-layout .feedback {
  max-width: var(--layout-max);
  margin-left: auto;
  margin-right: auto;
  padding-right: calc(var(--rp-w) + 28px);
}
body.has-results-layout main.exo-content,
body.has-results-layout main.content.exo-content {
  max-width: calc(var(--layout-max) - var(--rp-w) - 36px);
  margin-left: auto;
  margin-right: calc(var(--rp-w) + 28px);
}

.results-panel {
  display: none;
}
body.has-results-layout .results-panel {
  display: block;
  position: fixed;
  top: 60px;
  right: 12px;
  width: var(--rp-w);
  max-height: calc(100vh - 72px);
  overflow: auto;
  z-index: 40;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 8px 28px rgba(28, 27, 46, .08);
  font-size: 13px;
}
.rp-sticky { padding: 14px 14px 16px; }
.rp-title {
  font-family: var(--font-d);
  font-size: 1.05rem;
  margin: 0 0 4px;
}
.rp-progress { margin: 0 0 2px; color: var(--ink); }
.rp-series { margin: 0 0 12px; color: var(--ink-3); font-size: 12px; }
.rp-sub {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--ink-3);
  margin: 14px 0 8px;
  font-weight: 700;
}
.rp-ex-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}
.rp-ex a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 6px;
  border-radius: 6px;
  text-decoration: none;
  color: var(--ink-2);
}
.rp-ex a:hover { background: var(--paper-2); }
.rp-ex.is-current a {
  background: var(--accent-bg);
  color: var(--accent);
  font-weight: 600;
}
.rp-ico {
  width: 1.1em;
  text-align: center;
  font-weight: 700;
}
.rp-ico.st-pass { color: #1b7a3d; }
.rp-ico.st-fail { color: #b5182b; }
.rp-ico.st-partial { color: #a06000; }
.rp-ico.st-todo { color: var(--ink-3); }
.rp-ex-label { flex: 1; font-size: 12px; }
.rp-mini {
  font-size: 9px;
  font-weight: 700;
  border-radius: 4px;
  padding: 1px 4px;
  line-height: 1.2;
}
.rp-mini.auto { background: var(--accent-bg); color: var(--accent); }
.rp-mini.manual { background: var(--warn-bg); color: var(--warn); }
.rp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.rp-chip {
  display: inline-block;
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--accent-bg);
  color: var(--accent);
  border: 1px solid #b7e4c7;
}
.rp-chips.target .rp-chip {
  background: var(--paper);
  color: var(--ink-3);
  border-color: var(--line);
}
.rp-chips.target .rp-chip.unlocked {
  background: var(--accent-bg);
  color: var(--accent);
  border-color: #b7e4c7;
}
.rp-empty { margin: 0; color: var(--ink-3); font-size: 12px; }
.rp-hint {
  margin: 16px 0 0;
  font-size: 10px;
  color: var(--ink-3);
  line-height: 1.4;
}
.rp-hint code {
  font-size: 9px;
  background: var(--paper-2);
  padding: 1px 4px;
  border-radius: 3px;
}

/* Zone auto-check */
.auto-check {
  margin: 1.4em 0 0.4em;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, #fbfaf8 0%, #fff 40%);
  border-left: 4px solid var(--accent);
}
.auto-check.manual { border-left-color: var(--warn); }
.auto-check-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  margin-bottom: 8px;
}
.auto-check-badge.auto {
  background: var(--accent-bg);
  color: var(--accent);
}
.auto-check-badge.manual {
  background: var(--warn-bg);
  color: var(--warn);
}
.auto-check-attempt-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .03em;
  padding: 3px 9px;
  border-radius: 999px;
  margin: 0 0 8px 6px;
  vertical-align: middle;
}
.auto-check-attempt-badge.first {
  background: #e8f0fe;
  color: #1a56a0;
}
.auto-check-attempt-badge.practice {
  background: #f3e8ff;
  color: #6b3fa0;
}
.auto-check-attempt-badge.free {
  background: var(--paper-2);
  color: var(--ink-3);
}
.auto-check-attempt-hint {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--ink-3);
  font-weight: 400;
}
.seq-form fieldset {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
  margin: 0 0 16px;
  background: #fff;
}
.seq-form legend {
  font-family: var(--font-d);
  font-size: 15px;
  padding: 0 6px;
}
.seq-check,
.seq-field {
  display: block;
  margin: 10px 0;
  font-size: 14px;
}
.seq-field input[type="text"],
.seq-field input[type="number"] {
  display: block;
  margin-top: 6px;
  width: min(280px, 100%);
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
}
.alert-unread {
  border-left: 4px solid var(--warn);
  background: var(--warn-bg);
}
.auto-check-prompt {
  margin: 0 0 12px;
  color: var(--ink-2);
  font-size: 14px;
}
.auto-check-fields,
.auto-check-options,
.auto-check-groups {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 12px;
}
.auto-check-row,
.auto-check-group-row {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(100px, 1fr);
  gap: 8px 12px;
  align-items: center;
}
.auto-check-label,
.auto-check-group-label {
  font-size: 13px;
  color: var(--ink);
}
.auto-check-input,
.auto-check-select {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  font-family: var(--font-b);
  background: #fff;
}
.auto-check-input:focus,
.auto-check-select:focus {
  outline: 2px solid #b7e4c7;
  border-color: var(--accent);
}
.auto-check-input.is-ok { border-color: #1b7a3d; background: #eefaf1; }
.auto-check-input.is-bad { border-color: #b5182b; background: #fde8ec; }
.auto-check-option {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  background: #fff;
}
.auto-check-option:hover { background: var(--paper); }
.auto-check-option.is-ok { border-color: #1b7a3d; background: #eefaf1; }
.auto-check-option.is-bad { border-color: #b5182b; background: #fde8ec; }
.auto-check-group-row.is-ok .auto-check-select { border-color: #1b7a3d; background: #eefaf1; }
.auto-check-group-row.is-bad .auto-check-select { border-color: #b5182b; background: #fde8ec; }
.auto-check-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.btn-check {
  appearance: none;
  border: none;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 13px;
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
}
.btn-check:hover { filter: brightness(1.05); }
.btn-check.secondary {
  background: #fff;
  color: var(--accent);
  border: 1px solid var(--line);
}
.btn-check.ghost {
  background: transparent;
  color: var(--ink-3);
  border: 1px dashed var(--line);
}
.auto-check-feedback {
  margin: 10px 0 0;
  font-size: 13px;
  font-weight: 600;
  min-height: 1.2em;
}
.auto-check-feedback.ok { color: #1b7a3d; }
.auto-check-feedback.bad { color: #b5182b; }
.auto-check-feedback.partial { color: #a06000; }
.auto-check-page-note {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--ink-3);
}

/* Fractions éditables */
.frac-input {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  vertical-align: middle;
  min-width: 64px;
}
.frac-input .frac-num,
.frac-input .frac-den {
  width: 72px;
  text-align: center;
  padding: 4px 6px;
}
.frac-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
}
.frac-den-fixed {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  padding: 2px 4px;
}
.hint-muted {
  color: var(--ink-3);
  font-size: 13px;
}
.frac-input.is-ok .frac-bar { background: #1b7a3d; }
.frac-input.is-bad .frac-bar { background: #b5182b; }
.frac-row {
  grid-template-columns: minmax(0, 1.2fr) auto;
}
.eq-grid {
  display: flex;
  flex-direction: column;
  gap: 0.55em;
  max-width: 40rem;
}
/* One horizontal prompt: « ?? × ??? = ??? » (never wrap the = / input onto a 2nd row) */
.eq-line {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  column-gap: 12px;
  margin: 0;
  padding: 0.2em 0;
  font-size: 15px;
  min-width: 0;
}
.eq-grid .eq-line {
  display: grid;
  grid-template-columns: minmax(6.5rem, max-content) minmax(4.5rem, auto);
  column-gap: 16px;
}
.eq-grid-frac .eq-line {
  grid-template-columns: minmax(8.5rem, max-content) minmax(4.5rem, auto);
}
.eq-grid-calc .eq-line {
  grid-template-columns: minmax(10rem, max-content) minmax(5rem, auto);
}
.eq-left {
  display: inline-flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.35em;
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  flex: 0 0 auto;
}
.eq-mid {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
  white-space: nowrap;
  min-width: 0;
}
.eq-line .frac-input {
  justify-self: start;
  flex: 0 0 auto;
}
.eq-line .auto-check-input {
  width: auto;
  min-width: 72px;
  max-width: 140px;
  flex: 0 0 auto;
}
.eq-grid-calc .eq-line .auto-check-input {
  min-width: 96px;
  max-width: 160px;
}
@media (max-width: 520px) {
  .eq-grid-calc .eq-line {
    grid-template-columns: minmax(0, max-content) minmax(4.5rem, 1fr);
    overflow-x: auto;
  }
}
.exo-questions {
  margin: 0.75em 0 0.5em 1.25em;
  padding: 0;
  line-height: 1.55;
}
.exo-questions li {
  margin: 0.4em 0;
}
.auto-check-combos {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.auto-check-combos .auto-check-row {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 6px;
}
.auto-check-combos .auto-check-select {
  width: 100%;
  max-width: 28rem;
}

/* Figures + saisie côte à côte */
.fig-answer-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 1em 0;
}
.fig-answer-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 18px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}
.fig-answer-row .fig { margin: 0; }
.fig-answer-fields {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

/* Checkboxes dans la page */
.page-check-list {
  list-style: none;
  margin: 0.8em 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.page-check-list .auto-check-option {
  margin: 0;
}

/* Drag & drop */
.auto-check-dnd,
[data-ac-root].dnd-root {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.dnd-bank {
  padding: 10px;
  border: 1px dashed var(--line);
  border-radius: 10px;
  background: var(--paper);
}
.dnd-bank.is-over,
.dnd-zone.is-over {
  border-color: var(--accent);
  background: var(--accent-bg);
}
.dnd-bank-label,
.dnd-zone-label {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-2);
  text-transform: uppercase;
  letter-spacing: .03em;
}
.dnd-bank-inner,
.dnd-zone-slot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 44px;
}
.dnd-zones {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}
.dnd-zone {
  padding: 10px;
  border: 2px dashed var(--line);
  border-radius: 10px;
  background: #fff;
  min-height: 110px;
}
.dnd-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  cursor: grab;
  font-size: 14px;
  user-select: none;
  box-shadow: 0 1px 2px rgba(0,0,0,.04);
}
.dnd-chip:active { cursor: grabbing; }
.dnd-chip.is-dragging { opacity: .55; }
.dnd-chip.is-ok { border-color: #1b7a3d; background: #eefaf1; }
.dnd-chip.is-bad { border-color: #b5182b; background: #fde8ec; }

/* Parcours progressif ex10 */
.progress-path {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 1em 0;
}
.worked-example {
  margin: 1em 0 1.2em;
  padding: 12px 14px;
  border-left: 4px solid var(--accent, #2a6f97);
  background: #f4f8fb;
  border-radius: 0 8px 8px 0;
}
.worked-example h3 {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--ink-2);
}
.worked-example .given {
  font-weight: 700;
  margin-right: 6px;
}
.progress-step {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}
.progress-step h3 {
  margin: 0 0 8px;
  font-size: 14px;
  color: var(--ink-2);
}
.progress-step .given {
  font-weight: 700;
  margin-right: 6px;
}
.decomp-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 8px;
  margin: 6px 0;
}

/* Calculs une ligne */
.calc-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0.8em 0;
}
.calc-list h3.calc-section {
  margin: 1em 0 0.3em;
  font-size: 15px;
  color: var(--ink);
}
.calc-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  border-bottom: 1px solid var(--paper-2);
  font-size: 15px;
}
.calc-row .auto-check-input {
  width: 110px;
}

/* Glisse-nombre / réglette */
.glisse-wrap {
  margin: 1em 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: linear-gradient(180deg, #f7faf8, #fff);
  overflow-x: auto;
}
.glisse-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-2);
  margin-bottom: 8px;
}
.glisse-table {
  min-width: 560px;
}
.glisse-row {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}
.glisse-cell {
  text-align: center;
  padding: 6px 2px;
  font-size: 11px;
  border: 1px solid var(--line);
  background: #fff;
}
.glisse-h {
  font-size: 9px;
  line-height: 1.2;
  color: var(--ink-3);
  background: var(--paper);
  min-height: 2.6em;
  display: flex;
  align-items: center;
  justify-content: center;
}
.glisse-d {
  font-size: 18px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  min-height: 2.2em;
  display: flex;
  align-items: center;
  justify-content: center;
}
.glisse-before-comma {
  border-right: 3px solid var(--accent);
  position: relative;
}
.glisse-bar-row {
  margin: 10px 0 4px;
  min-width: 560px;
}
.glisse-bar-track {
  position: relative;
  height: 28px;
  background: repeating-linear-gradient(
    90deg,
    transparent,
    transparent calc(100% / 7 - 1px),
    var(--line) calc(100% / 7 - 1px),
    var(--line) calc(100% / 7)
  );
  border-radius: 6px;
}
.glisse-bar {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  width: 28px;
  height: 28px;
  cursor: grab;
  z-index: 2;
}
.glisse-bar.is-dragging { cursor: grabbing; }
.glisse-bar-knob {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  box-shadow: 0 2px 6px rgba(0,0,0,.15);
  user-select: none;
}
.glisse-readout {
  margin: 8px 0 4px;
  font-size: 15px;
  font-weight: 700;
}
.glisse-history {
  margin-top: 8px;
  padding: 8px 10px;
  background: var(--paper);
  border-radius: 8px;
  max-height: 140px;
  overflow: auto;
}
.glisse-hist-title {
  margin: 0 0 4px;
  font-size: 12px;
  color: var(--ink-3);
}
.glisse-hist-list {
  margin: 0;
  padding-left: 1.2em;
  font-size: 12px;
  color: var(--ink-2);
}
.glisse-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}
.place-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin: 0.8em 0;
}
.place-table th,
.place-table td {
  border: 1px solid var(--line);
  padding: 6px 4px;
  text-align: center;
}
.place-table th {
  background: var(--paper);
  font-size: 10px;
  font-weight: 600;
  color: var(--ink-3);
}
.place-table .comma-cell {
  border-right: 3px solid var(--accent);
  font-weight: 700;
}

/* Import commentaires */
.import-zone {
  margin: 16px 0 20px;
  padding: 18px;
  border: 2px dashed var(--line);
  border-radius: 12px;
  background: var(--paper);
  text-align: center;
  transition: border-color .15s, background .15s;
}
.import-zone.is-drag {
  border-color: var(--accent);
  background: var(--accent-bg);
}
.import-zone p { margin: 0 0 10px; color: var(--ink-2); font-size: 14px; }
.import-zone .inbox-path {
  font-size: 12px;
  color: var(--ink-3);
  margin-top: 10px;
}
.import-status { margin: 8px 0 0; font-size: 13px; color: var(--accent); font-weight: 600; }

/* ── Modes prof / élève ── */
.mode-eleve .feedback,
.mode-eleve .feedback-prof,
.mode-eleve .exo-comment-dot,
.mode-eleve a[href*="commentaires.html"] {
  display: none !important;
}
.mode-prof .n1-progress-header,
.mode-prof .n1-comp-drawer,
.mode-prof .eleve-only {
  display: none !important;
}
.mode-prof.has-progress-header {
  padding-top: 0;
}
.mode-eleve .prof-only { display: none !important; }

.n1-mode-switch {
  position: fixed;
  left: 12px;
  bottom: 12px;
  z-index: 70;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: 0 2px 10px rgba(28, 27, 46, .08);
  font-size: 12px;
}
.n1-mode-label {
  font-weight: 700;
  color: var(--ink-2);
}
.n1-mode-toggle {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}
.n1-mode-toggle:hover { text-decoration: underline; }
.mode-eleve .n1-mode-label { color: var(--accent); }
.mode-prof .n1-mode-label { color: var(--warn); }

.mode-gate {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin: 18px 0 22px;
}
.mode-card {
  display: block;
  background: #fff;
  border: 1px solid var(--line, #d8d5cf);
  border-radius: 12px;
  padding: 16px 18px;
  text-decoration: none;
  color: inherit;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.mode-card:hover {
  border-color: #b7e4c7;
  box-shadow: 0 2px 12px rgba(45, 106, 79, .08);
}
.mode-card h2 {
  font-family: var(--font-d, Georgia, serif);
  font-size: 1.15rem;
  margin: 0 0 6px;
  color: var(--ink, #1c1b2e);
}
.mode-card p {
  margin: 0;
  font-size: 13px;
  color: var(--ink-3, #6b6896);
}
.mode-card .mode-card-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  margin-bottom: 8px;
  padding: 3px 8px;
  border-radius: 999px;
}
.mode-card.prof .mode-card-tag {
  background: var(--warn-bg, #fff0d0);
  color: var(--warn, #a06000);
}
.mode-card.eleve .mode-card-tag {
  background: var(--accent-bg, #d8f3dc);
  color: var(--accent, #2d6a4f);
}

/* ── Bandeau identité élève Adaptia ── */
.n1-student-banner {
  position: sticky;
  top: 0;
  z-index: 49;
  background: #eef6f1;
  border-bottom: 1px solid #c5ddd0;
  font-size: 12px;
}
body.has-progress-header.has-n1-student-banner .n1-student-banner {
  position: fixed;
  left: 0;
  right: 0;
  top: 52px;
}
body.has-progress-header.has-n1-student-banner {
  padding-top: 92px;
}
.mode-prof .n1-student-banner {
  display: none !important;
}
.n1-stu-inner {
  max-width: var(--layout-max, 1120px);
  margin: 0 auto;
  padding: 6px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.n1-stu-inner.is-warn {
  background: #fff8e8;
}
.n1-stu-label {
  font-weight: 700;
  color: var(--accent, #2d6a4f);
  white-space: nowrap;
}
.n1-stu-select {
  min-width: 180px;
  max-width: 280px;
  padding: 4px 8px;
  border: 1px solid var(--line, #d8d5cf);
  border-radius: 6px;
  background: #fff;
  font-size: 12px;
}
.n1-stu-hint {
  color: var(--ink-3, #6b6896);
  font-size: 11px;
}
.n1-stu-inner.is-warn .n1-stu-hint {
  color: #a06000;
  font-weight: 600;
}

/* ── Header progression élève ── */
body.has-progress-header {
  padding-top: 52px;
}
.n1-progress-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 246, 242, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}
body.has-progress-header .n1-progress-header {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
}
.n1-ph-inner {
  max-width: var(--layout-max, 1120px);
  margin: 0 auto;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
body.has-results-layout .n1-ph-inner {
  padding-right: calc(var(--rp-w, 0px) + 28px);
}
.n1-ph-main {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 0;
  background: transparent;
  cursor: pointer;
  text-align: left;
  padding: 0;
  color: inherit;
  font: inherit;
}
.n1-ph-main:hover .n1-ph-chip {
  border-color: #b7e4c7;
}
.n1-ph-seq {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.n1-ph-label {
  color: var(--ink-3);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .04em;
  font-weight: 700;
}
.n1-ph-seq strong {
  font-size: 13px;
  color: var(--ink);
}
.n1-ph-bar {
  display: inline-block;
  width: 56px;
  height: 5px;
  border-radius: 999px;
  background: var(--paper-2);
  overflow: hidden;
}
.n1-ph-bar i {
  display: block;
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
}
.n1-ph-layers {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  min-width: 0;
}
.n1-ph-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 6px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink-2);
  white-space: nowrap;
}
.n1-ph-chip b { color: var(--accent); font-weight: 700; }
.n1-ph-game {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  color: var(--ink-2);
}
.n1-ph-lvl {
  font-weight: 700;
  color: var(--accent);
}
.n1-ph-xp { color: var(--ink-3); }
.n1-ph-streak {
  font-weight: 700;
  color: var(--warn);
  background: var(--warn-bg);
  border: 1px solid #e0c060;
  border-radius: 6px;
  padding: 2px 6px;
  font-size: 11px;
}
.n1-ph-link {
  flex-shrink: 0;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 12px;
}
.n1-ph-link:hover { text-decoration: underline; }

/* Drawer compétences */
.n1-comp-drawer {
  position: fixed;
  inset: 0;
  z-index: 60;
  pointer-events: none;
  visibility: hidden;
}
.n1-comp-drawer.is-open {
  pointer-events: auto;
  visibility: visible;
}
.n1-comp-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(28, 27, 46, .28);
  opacity: 0;
  transition: opacity .2s ease;
}
.n1-comp-drawer.is-open .n1-comp-backdrop { opacity: 1; }
.n1-comp-panel {
  position: absolute;
  top: 0;
  right: 0;
  width: min(400px, 100%);
  height: 100%;
  background: #fff;
  border-left: 1px solid var(--line);
  box-shadow: -8px 0 28px rgba(28, 27, 46, .1);
  transform: translateX(100%);
  transition: transform .22s ease;
  display: flex;
  flex-direction: column;
}
.n1-comp-drawer.is-open .n1-comp-panel { transform: translateX(0); }
.n1-comp-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}
.n1-comp-head h2 {
  margin: 0;
  font-family: var(--font-d);
  font-size: 1.15rem;
}
.n1-comp-close {
  border: 0;
  background: var(--paper-2);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  color: var(--ink-2);
}
.n1-comp-body {
  overflow: auto;
  padding: 12px 16px 28px;
  flex: 1;
}
.n1-comp-game {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 14px;
}
.n1-comp-game-row {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 13px;
  margin-bottom: 8px;
}
.n1-xp-bar {
  height: 6px;
  background: var(--paper-2);
  border-radius: 999px;
  overflow: hidden;
}
.n1-xp-bar span {
  display: block;
  height: 100%;
  background: var(--accent);
}
.n1-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}
.n1-badge {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--accent-bg);
  color: var(--accent);
  border: 1px solid #b7e4c7;
}
.n1-comp-section { margin-bottom: 16px; }
.n1-comp-section h3 {
  margin: 0 0 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--ink-3);
}
.n1-comp-count {
  color: var(--accent);
  font-weight: 700;
  text-transform: none;
  letter-spacing: 0;
}
.n1-comp-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}
.n1-comp-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.n1-comp-list li.is-ok {
  background: #f3faf5;
  border-color: #b7e4c7;
}
.n1-comp-mark {
  font-weight: 700;
  color: var(--ink-3);
  width: 1em;
  text-align: center;
  margin-top: 2px;
}
.n1-comp-list li.is-ok .n1-comp-mark { color: #1b7a3d; }
.n1-comp-meta { flex: 1; min-width: 0; }
.n1-comp-meta strong {
  display: block;
  font-size: 13px;
  color: var(--ink);
}
.n1-comp-sub {
  display: block;
  font-size: 11px;
  color: var(--ink-3);
  margin-top: 2px;
}
.n1-comp-retry {
  flex-shrink: 0;
  align-self: center;
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  text-decoration: none;
  padding: 5px 10px;
  border-radius: 6px;
}
.n1-comp-retry:hover { filter: brightness(1.05); }
.n1-comp-foot {
  margin: 8px 0 0;
  font-size: 13px;
}
.n1-comp-foot a { color: var(--accent); font-weight: 600; }

.rp-layers { margin: 0 0 6px; font-size: 12px; color: var(--ink-2); }
.rp-comp-link { margin: 0 0 8px; }
.rp-link-btn {
  border: 0;
  background: transparent;
  color: var(--accent);
  font: inherit;
  font-weight: 600;
  font-size: 12px;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
}

/* Confetti discret */
.n1-confetti {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 80;
  overflow: hidden;
}
.n1-confetti-piece {
  position: absolute;
  top: -8px;
  width: 6px;
  height: 10px;
  border-radius: 1px;
  opacity: .85;
  animation: n1-confetti-fall 1.2s ease-out forwards;
}
@keyframes n1-confetti-fall {
  0% { transform: translateY(0) rotate(0deg); opacity: .9; }
  100% { transform: translateY(70vh) rotate(220deg); opacity: 0; }
}

/* Page progression */
.prog-page .prog-grid {
  display: grid;
  gap: 14px;
}
.prog-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
}
.prog-card h2 {
  font-family: var(--font-d);
  font-size: 1.1rem;
  margin: 0 0 10px;
}
.prog-stat {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}
.prog-stat span {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 13px;
}
.prog-stat .prog-retest {
  background: var(--warn-bg, #fff0d0);
  border-color: #e8d4a8;
  color: var(--warn, #a06000);
}

/* Retest fin d’année */
.rp-retest {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--warn, #a06000);
}
.rp-retest a {
  color: var(--warn, #a06000);
  font-weight: 600;
}
.retest-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0 18px;
}
.retest-hint {
  color: var(--warn, #a06000);
}
.retest-list .retest-item {
  display: grid;
  gap: 4px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}
.retest-list .retest-meta {
  font-size: 12px;
  color: var(--ink-3, #6b6896);
}
.retest-list .retest-id {
  font-size: 11px;
  color: var(--ink-3, #6b6896);
}

@media (max-width: 720px) {
  body.has-progress-header { padding-top: 88px; }
  .n1-ph-inner { flex-wrap: wrap; }
  .n1-ph-layers { display: none; }
  .n1-ph-main { width: 100%; }
}

@media (max-width: 960px) {
  body.has-results-layout .n1-ph-inner {
    padding-right: 14px;
  }
}

@media (max-width: 960px) {
  body.has-results-layout {
    --rp-w: 0px;
  }
  body.has-results-layout .top,
  body.has-results-layout .exo-nav,
  body.has-results-layout .foot,
  body.has-results-layout .feedback {
    padding-right: 18px;
  }
  body.has-results-layout main.exo-content,
  body.has-results-layout main.content.exo-content {
    max-width: var(--max);
    margin-right: auto;
  }
  body.has-results-layout .results-panel {
    position: static;
    width: auto;
    max-height: none;
    margin: 16px 18px;
    right: auto;
    top: auto;
  }
}