:root {
  --bg: #f5f5f7;
  --surface: rgba(255, 255, 255, 0.8);
  --surface-strong: #ffffff;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --line: rgba(0, 0, 0, 0.08);
  --accent: #0071e3;
  --accent-soft: rgba(0, 113, 227, 0.12);
  --radius-lg: 24px;
  --radius-md: 16px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "SF Pro Text", "SF Pro Display", -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  background: radial-gradient(circle at top right, #ffffff 0%, var(--bg) 60%);
  color: var(--text);
  line-height: 1.55;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.shell {
  width: min(1080px, calc(100% - 48px));
  margin: 0 auto;
}

.nav {
  position: sticky;
  top: 12px;
  z-index: 20;
  margin: 16px auto 24px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 18px;
}

.brand {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--text);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(0, 0, 0, 0.08);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

.brand::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 8px;
  background: linear-gradient(135deg, #1f6aa2, #4ea17f);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.94rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  padding: 7px 11px;
  border-radius: 999px;
  color: var(--muted);
  border: 1px solid transparent;
  transition: all 0.2s ease;
}

.nav-link:hover {
  text-decoration: none;
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.62);
}

.nav-link[aria-current="page"] {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.9);
  font-weight: 700;
}

.hero {
  padding: 44px 0 24px;
  animation: rise 0.7s ease-out both;
}

.eyebrow {
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: var(--muted);
  margin-bottom: 10px;
}

h1 {
  font-family: "SF Pro Display", "Avenir Next", "Helvetica Neue", sans-serif;
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 16px;
}

.lead {
  max-width: 700px;
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0;
}

.grid {
  display: grid;
  gap: 18px;
  margin: 24px 0 40px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  animation: rise 0.7s ease-out both;
}

.card h2,
.card h3 {
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.tag {
  display: inline-block;
  margin-bottom: 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 10px;
}

table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--surface-strong);
}

th,
td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  font-size: 0.95rem;
}

th {
  font-weight: 600;
}

tr:last-child td {
  border-bottom: 0;
}

.section {
  margin: 24px 0;
}

.section h2 {
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}

.section p,
.section li {
  color: var(--muted);
}

.template {
  display: grid;
  gap: 14px;
}

.template .block {
  border: 1px dashed rgba(0, 113, 227, 0.35);
  background: #fff;
  border-radius: var(--radius-md);
  padding: 16px;
}

.template h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
}

.footer {
  border-top: 1px solid var(--line);
  margin: 36px 0 24px;
  padding-top: 16px;
  color: var(--muted);
  font-size: 0.92rem;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 920px) {
  .grid.two,
  .grid.three {
    grid-template-columns: 1fr;
  }

  .shell {
    width: min(1080px, calc(100% - 28px));
  }

  .nav-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

/* Assignment 1 redesign */
body.assignment-page {
  --a1-bg: #f2f1ee;
  --a1-paper: #fcfbf8;
  --a1-ink: #1f2022;
  --a1-muted: #5f6468;
  --a1-line: rgba(24, 31, 38, 0.14);
  --a1-accent: #233f5d;
  --a1-glow-a: rgba(35, 63, 93, 0.16);
  --a1-glow-b: rgba(51, 74, 48, 0.12);
  --a1-shadow: 0 20px 60px rgba(23, 29, 36, 0.08);
  font-family: "Manrope", "Avenir Next", "Segoe UI", sans-serif;
  color: var(--a1-ink);
  background:
    radial-gradient(900px 520px at 92% -15%, var(--a1-glow-a), transparent 66%),
    radial-gradient(700px 460px at -8% 20%, var(--a1-glow-b), transparent 62%),
    var(--a1-bg);
}

body.assignment-page.assignment-2-page {
  --a1-bg: #eef2f2;
  --a1-paper: #fbfcfb;
  --a1-accent: #1f4b52;
  --a1-glow-a: rgba(31, 75, 82, 0.16);
  --a1-glow-b: rgba(74, 108, 85, 0.12);
}

body.assignment-page.assignment-3-page {
  --a1-bg: #f6e8e8;
  --a1-paper: #fff7f7;
  --a1-accent: #8f2b2b;
  --a1-glow-a: rgba(143, 43, 43, 0.2);
  --a1-glow-b: rgba(179, 71, 71, 0.14);
}

.assignment-page .nav {
  margin-top: 18px;
  border: 1px solid var(--a1-line);
  background: rgba(252, 251, 248, 0.74);
  box-shadow: 0 10px 28px rgba(32, 40, 48, 0.08);
}

.assignment-page .brand {
  color: var(--a1-ink);
  border-color: rgba(0, 0, 0, 0.11);
}

.assignment-page .brand::before {
  background: linear-gradient(135deg, var(--a1-accent), #4f8f74);
}

.assignment-page .nav-link {
  color: var(--a1-muted);
}

.assignment-page .nav-link:hover {
  color: var(--a1-ink);
  border-color: var(--a1-line);
  background: rgba(255, 255, 255, 0.7);
}

.assignment-page .nav-link[aria-current="page"] {
  color: var(--a1-ink);
  border-color: var(--a1-line);
  background: rgba(255, 255, 255, 0.92);
}

.assignment-layout {
  position: relative;
  padding-bottom: 24px;
}

.assignment-hero {
  padding-top: 58px;
}

.a1-hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 18px;
  align-items: start;
}

.a1-hero-panel {
  border: 1px solid var(--a1-line);
  border-radius: 22px;
  padding: 20px;
  background:
    linear-gradient(155deg, rgba(255, 255, 255, 0.92), rgba(242, 239, 232, 0.88)),
    radial-gradient(circle at top right, rgba(35, 63, 93, 0.12), transparent 45%);
  box-shadow: var(--a1-shadow);
}

.a1-panel-kicker,
.a1-focus-kicker {
  margin: 0 0 10px;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(31, 32, 34, 0.56);
}

.a1-panel-copy {
  margin: 14px 0 0;
  color: var(--a1-muted);
}

.a1-mini-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.a1-mini-metrics article {
  padding: 14px 12px;
  border-radius: 16px;
  border: 1px solid rgba(24, 31, 38, 0.08);
  background: rgba(255, 255, 255, 0.7);
}

.a1-mini-metrics strong {
  display: block;
  font-family: "Newsreader", Georgia, serif;
  font-size: 2rem;
  line-height: 1;
  letter-spacing: -0.04em;
}

.a1-mini-metrics span {
  display: block;
  margin-top: 6px;
  color: var(--a1-muted);
  font-size: 0.86rem;
}

.assignment-page .eyebrow {
  color: rgba(31, 32, 34, 0.6);
  letter-spacing: 0.14em;
}

.assignment-page h1 {
  font-family: "Newsreader", Georgia, serif;
  font-size: clamp(2.4rem, 7vw, 5rem);
  letter-spacing: -0.025em;
  margin-bottom: 14px;
  max-width: 14ch;
}

.assignment-page .lead {
  color: var(--a1-muted);
  max-width: 68ch;
  font-size: 1.04rem;
}

.hero-notes {
  margin-top: 24px;
  display: grid;
  gap: 10px;
}

.hero-notes p {
  margin: 0;
  border: 1px solid var(--a1-line);
  border-left: 4px solid var(--a1-accent);
  background: rgba(252, 251, 248, 0.76);
  border-radius: 14px;
  padding: 11px 14px;
  color: var(--a1-muted);
}

.hero-notes span {
  display: inline-block;
  min-width: 126px;
  margin-right: 8px;
  color: var(--a1-ink);
  font-weight: 700;
}

.inner-hero {
  padding-bottom: 4px;
}

.crumbs {
  margin: 10px 0 0;
  color: rgba(31, 32, 34, 0.62);
  font-size: 0.9rem;
}

.crumbs a {
  color: var(--a1-accent);
  font-weight: 700;
}

.assignment-page .section h2 {
  font-family: "Newsreader", Georgia, serif;
  letter-spacing: -0.015em;
  font-size: clamp(1.5rem, 3.2vw, 2rem);
  margin-bottom: 14px;
}

.track-router,
.stage-router {
  margin-top: 26px;
  border: 1px solid var(--a1-line);
  border-radius: 20px;
  padding: 22px;
  background: linear-gradient(145deg, rgba(252, 251, 248, 0.96), rgba(245, 243, 238, 0.96));
  box-shadow: var(--a1-shadow);
}

.a1-link-hub {
  margin-top: 12px;
  border: 1px solid var(--a1-line);
  border-radius: 24px;
  padding: 22px;
  background:
    linear-gradient(150deg, rgba(252, 251, 248, 0.98), rgba(241, 238, 231, 0.96));
  box-shadow: var(--a1-shadow);
}

.a1-link-head p {
  margin: -4px 0 0;
  color: var(--a1-muted);
}

.a1-link-grid,
.a1-focus-grid {
  display: grid;
  gap: 12px;
}

.a1-link-grid {
  margin-top: 14px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.a1-link-card,
.a1-focus-card {
  border: 1px solid var(--a1-line);
  border-radius: 18px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.76);
  box-shadow: var(--a1-shadow);
}

.a1-link-card h3,
.a1-focus-card h3 {
  margin: 0 0 8px;
  letter-spacing: -0.015em;
}

.a1-link-card p,
.a1-focus-card p {
  margin: 0;
  color: var(--a1-muted);
}

.a1-link-card .track-link {
  margin-top: 16px;
}

.a1-link-card-featured {
  background:
    linear-gradient(150deg, rgba(35, 63, 93, 0.08), rgba(255, 255, 255, 0.88));
}

.a1-link-note {
  display: inline-block;
  margin-top: 10px;
  color: rgba(31, 32, 34, 0.52);
  font-size: 0.84rem;
}

.a1-focus-grid {
  margin-top: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.track-router-head p {
  margin: -4px 0 0;
  color: var(--a1-muted);
}

.track-grid,
.stage-grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.stage-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.track-card,
.stage-card {
  border: 1px solid var(--a1-line);
  border-radius: 16px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.66);
  box-shadow: var(--a1-shadow);
}

.track-card h3,
.stage-card h3 {
  margin: 0 0 8px;
  font-size: 1.08rem;
}

.track-card p,
.stage-card p {
  margin: 0;
  color: var(--a1-muted);
}

.track-chip {
  display: inline-block;
  margin: 0 0 8px;
  padding: 4px 9px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 999px;
  background: rgba(35, 63, 93, 0.1);
  color: var(--a1-accent);
  font-weight: 700;
}

.track-link {
  display: inline-flex;
  margin-top: 12px;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--a1-line);
  background: rgba(255, 255, 255, 0.86);
  color: var(--a1-accent);
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.track-link:hover {
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(35, 63, 93, 0.17);
  background: #ffffff;
}

.scope-panel {
  margin-top: 30px;
  border: 1px solid var(--a1-line);
  background: var(--a1-paper);
  border-radius: 20px;
  padding: 22px;
  box-shadow: var(--a1-shadow);
  animation: rise 0.75s ease-out both;
}

.assignment-page table {
  border-color: var(--a1-line);
  background: rgba(255, 255, 255, 0.88);
}

.assignment-page th {
  color: var(--a1-ink);
  font-weight: 700;
}

.assignment-page td {
  color: var(--a1-muted);
}

.kpi-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.kpi-card {
  background: var(--a1-paper);
  border: 1px solid var(--a1-line);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--a1-shadow);
  transform: translateY(10px);
  opacity: 0;
  animation: settle 0.7s ease forwards;
}

.kpi-card:nth-child(2) {
  animation-delay: 0.12s;
}

.kpi-card:nth-child(3) {
  animation-delay: 0.2s;
}

.kpi-label {
  margin: 0 0 6px;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(31, 32, 34, 0.58);
}

.kpi-card h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  letter-spacing: -0.015em;
}

.kpi-card p {
  margin: 0;
  color: var(--a1-muted);
}

.report-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.report-card {
  border: 1px solid var(--a1-line);
  border-radius: 18px;
  padding: 18px 18px 14px;
  background: var(--a1-paper);
  box-shadow: var(--a1-shadow);
}

.report-card h3 {
  margin: 0 0 10px;
  font-size: 1.07rem;
  letter-spacing: -0.01em;
}

.report-card ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.report-card li {
  color: var(--a1-muted);
}

.executive {
  margin-top: 14px;
  border: 1px solid var(--a1-line);
  border-radius: 20px;
  padding: 22px;
  background: linear-gradient(145deg, rgba(252, 251, 248, 0.96), rgba(246, 244, 239, 0.96));
  box-shadow: var(--a1-shadow);
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.summary-block {
  border: 1px dashed rgba(35, 63, 93, 0.38);
  border-radius: 14px;
  padding: 14px;
  background: rgba(255, 255, 255, 0.54);
}

.summary-block h4 {
  margin: 0 0 8px;
  font-size: 0.95rem;
}

.summary-block p {
  margin: 0;
  color: var(--a1-muted);
}

.assignment-page .footer {
  border-color: var(--a1-line);
  margin-top: 28px;
}

.eda-page .assignment-hero h1 {
  max-width: 11ch;
}

.eda-downloads {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.eda-downloads .track-link {
  margin-top: 0;
}

.eda-hero-grid,
.eda-figure-grid,
.eda-detail-grid,
.eda-mini-grid {
  display: grid;
  gap: 12px;
}

.eda-hero-grid {
  grid-template-columns: 1.2fr 0.9fr;
  margin-top: 18px;
}

.eda-figure-grid,
.eda-detail-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.eda-mini-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.eda-panel {
  border: 1px solid var(--a1-line);
  border-radius: 20px;
  padding: 20px;
  background: linear-gradient(145deg, rgba(252, 251, 248, 0.96), rgba(245, 243, 238, 0.96));
  box-shadow: var(--a1-shadow);
}

.eda-panel h3,
.eda-figure h3,
.eda-metric-card h3 {
  margin: 0 0 8px;
  letter-spacing: -0.015em;
}

.eda-panel p,
.eda-figure p,
.eda-metric-card p {
  margin: 0;
  color: var(--a1-muted);
}

.eda-metric-card {
  border: 1px solid var(--a1-line);
  border-radius: 18px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--a1-shadow);
}

.eda-metric-label {
  margin: 0 0 8px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(31, 32, 34, 0.58);
}

.eda-metric-value {
  margin: 0;
  font-size: 1.7rem;
  line-height: 1;
  letter-spacing: -0.04em;
}

.eda-metric-note {
  margin-top: 8px;
  font-size: 0.92rem;
}

.eda-figure {
  border: 1px solid var(--a1-line);
  border-radius: 20px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--a1-shadow);
}

.eda-figure img {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 14px;
  border-radius: 14px;
  border: 1px solid rgba(24, 31, 38, 0.08);
  background: #fff;
}

.eda-caption {
  margin-top: 12px;
  font-size: 0.92rem;
  color: var(--a1-muted);
}

.eda-chip-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.eda-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 11px;
  border-radius: 999px;
  border: 1px solid rgba(35, 63, 93, 0.12);
  background: rgba(35, 63, 93, 0.08);
  color: var(--a1-accent);
  font-size: 0.88rem;
  font-weight: 700;
}

.eda-callout {
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--a1-line);
  background: rgba(255, 255, 255, 0.7);
}

.eda-callout strong {
  display: block;
  margin-bottom: 4px;
}

.eda-list {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.eda-list li {
  color: var(--a1-muted);
}

.eda-data-table td:first-child,
.eda-data-table th:first-child {
  width: 34%;
}

.mm-page {
  --mm-panel: rgba(255, 255, 255, 0.78);
  --mm-panel-strong: rgba(255, 255, 255, 0.9);
  --mm-ink: #17212a;
  --mm-muted: #61707a;
  --mm-line: rgba(23, 33, 42, 0.12);
  --mm-accent: #1f4f6f;
  --mm-accent-2: #4f8f74;
  --mm-accent-3: #b66d38;
  --mm-shadow: 0 20px 55px rgba(18, 28, 37, 0.08);
}

.mm-page .assignment-hero h1 {
  max-width: 12ch;
}

.mm-hero-actions,
.mm-chip-row,
.mm-tab-row,
.mm-link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.mm-hero-actions {
  margin-top: 22px;
}

.mm-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  border-radius: 999px;
  border: 1px solid var(--mm-line);
  background: rgba(255, 255, 255, 0.78);
  color: var(--mm-accent);
  font-weight: 700;
  box-shadow: var(--mm-shadow);
}

.mm-action:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.mm-grid,
.mm-two-up,
.mm-three-up,
.mm-metric-grid,
.mm-compare-grid,
.mm-stage-layout {
  display: grid;
  gap: 14px;
}

.mm-grid {
  grid-template-columns: 1.25fr 0.95fr;
}

.mm-two-up,
.mm-compare-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mm-three-up {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.mm-metric-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.mm-stage-layout {
  grid-template-columns: 0.9fr 1.1fr;
}

.mm-panel,
.mm-panel-soft,
.mm-stage-detail,
.mm-chart-card,
.mm-method-card,
.mm-code-card,
.mm-metric-card,
.mm-note-card,
.mm-timeline-card {
  border: 1px solid var(--mm-line);
  border-radius: 22px;
  background: var(--mm-panel);
  box-shadow: var(--mm-shadow);
  min-width: 0;
}

.mm-panel,
.mm-stage-detail,
.mm-chart-card,
.mm-method-card,
.mm-code-card,
.mm-note-card,
.mm-timeline-card {
  padding: 20px;
}

.mm-panel-soft {
  padding: 16px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.94), rgba(243, 240, 233, 0.88));
}

.mm-kicker {
  margin: 0 0 8px;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  color: rgba(23, 33, 42, 0.56);
}

.mm-panel h2,
.mm-stage-detail h2,
.mm-chart-card h2,
.mm-method-card h2,
.mm-note-card h2 {
  margin: 0 0 10px;
}

.mm-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(31, 79, 111, 0.1);
  border: 1px solid rgba(31, 79, 111, 0.12);
  color: var(--mm-accent);
  font-size: 0.84rem;
  font-weight: 700;
}

.mm-metric-card {
  padding: 18px;
  background: var(--mm-panel-strong);
}

.mm-metric-label {
  margin: 0 0 8px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(23, 33, 42, 0.55);
}

.mm-metric-value {
  margin: 0;
  font-size: 1.9rem;
  line-height: 1;
  letter-spacing: -0.045em;
  color: var(--mm-ink);
}

.mm-metric-caption {
  margin-top: 8px;
  color: var(--mm-muted);
  font-size: 0.92rem;
}

.mm-tab {
  appearance: none;
  border: 1px solid var(--mm-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.64);
  color: var(--mm-muted);
  padding: 8px 12px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mm-tab:hover,
.mm-tab.is-active {
  background: rgba(31, 79, 111, 0.1);
  border-color: rgba(31, 79, 111, 0.18);
  color: var(--mm-accent);
}

.mm-stage-strip {
  display: grid;
  gap: 10px;
}

.mm-pipeline-flow {
  display: flex;
  align-items: stretch;
  gap: 12px;
  overflow-x: auto;
  padding: 4px 0 8px;
}

.mm-pipeline-arrow {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  color: rgba(31, 79, 111, 0.48);
  font-size: 1.4rem;
  font-weight: 800;
}

.mm-stage-button {
  position: relative;
  flex: 0 0 220px;
  width: 220px;
  padding: 16px;
  text-align: left;
  border: 1px solid var(--mm-line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.mm-stage-button:hover {
  transform: translateY(-2px);
  border-color: rgba(31, 79, 111, 0.2);
  box-shadow: 0 14px 24px rgba(31, 79, 111, 0.08);
}

.mm-stage-button.is-active {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(244, 240, 232, 0.94));
  border-color: rgba(31, 79, 111, 0.24);
  box-shadow: 0 16px 28px rgba(31, 79, 111, 0.1);
}

.mm-stage-index {
  display: inline-flex;
  min-width: 44px;
  margin-right: 10px;
  color: rgba(23, 33, 42, 0.5);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.mm-stage-title {
  display: block;
  color: var(--mm-ink);
  font-size: 1rem;
  font-weight: 800;
}

.mm-stage-summary {
  display: block;
  margin-top: 6px;
  color: var(--mm-muted);
  font-size: 0.93rem;
}

.mm-stage-note {
  padding: 13px 15px;
  border-radius: 14px;
  border: 1px solid rgba(31, 79, 111, 0.12);
  background: rgba(31, 79, 111, 0.06);
}

.mm-stage-note strong {
  display: block;
  margin-bottom: 4px;
  color: var(--mm-accent);
}

.mm-stage-inline-list {
  margin: 14px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.mm-stage-inspector {
  margin-top: 18px;
  padding: 22px;
  border: 1px solid rgba(23, 33, 42, 0.1);
  border-radius: 22px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.98), rgba(245, 242, 236, 0.94));
  box-shadow: 0 18px 44px rgba(18, 28, 37, 0.08);
}

.mm-stage-inspector-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
}

.mm-stage-inspector-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.mm-stage-pill {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(31, 79, 111, 0.08);
  border: 1px solid rgba(31, 79, 111, 0.12);
  color: var(--mm-accent);
  font-size: 0.82rem;
  font-weight: 700;
}

.mm-stage-inspector-body {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 16px;
}

.mm-stage-inspector-body > *,
.mm-two-up > *,
.mm-three-up > *,
.mm-grid > * {
  min-width: 0;
}

.mm-stage-inspector pre {
  margin: 0;
}

.mm-stage-detail pre,
.mm-code-card pre {
  margin: 14px 0 0;
  overflow-x: auto;
  border-radius: 16px;
  padding: 16px;
  background: #14212c;
  color: #eef3f6;
  font-size: 0.88rem;
  line-height: 1.55;
  max-width: 100%;
  white-space: pre-wrap;
  word-break: break-word;
}

.mm-detail-list,
.mm-method-list,
.mm-note-list {
  margin: 12px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
}

.mm-chart-card img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin-top: 14px;
  border-radius: 14px;
  border: 1px solid rgba(20, 33, 44, 0.08);
  background: #fff;
}

.mm-panel p,
.mm-note-card p,
.mm-chart-card p,
.mm-method-card p,
.mm-stage-inspector p,
.mm-stage-inline-list li,
.mm-method-list li,
.mm-note-list li,
.mm-chart-caption,
.mm-metric-caption {
  overflow-wrap: anywhere;
}

.mm-chart-caption {
  margin-top: 12px;
  color: var(--mm-muted);
  font-size: 0.92rem;
}

.mm-prompt-stack {
  margin-top: 12px;
  display: grid;
  gap: 10px;
}

.mm-prompt {
  border: 1px dashed rgba(31, 79, 111, 0.22);
  border-radius: 14px;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.62);
  color: var(--mm-ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
}

.mm-mini-table td,
.mm-mini-table th {
  font-size: 0.9rem;
}

.mm-score-up,
.mm-score-down {
  font-weight: 800;
}

.mm-score-up {
  color: #2f7d51;
}

.mm-score-down {
  color: #9f4d39;
}

.mm-timeline {
  display: grid;
  gap: 12px;
}

.mm-timeline-card {
  position: relative;
  padding-left: 22px;
}

.mm-timeline-card::before {
  content: "";
  position: absolute;
  left: 11px;
  top: 22px;
  bottom: -16px;
  width: 1px;
  background: rgba(31, 79, 111, 0.18);
}

.mm-timeline-card:last-child::before {
  display: none;
}

.mm-step-dot {
  position: absolute;
  left: 3px;
  top: 20px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--mm-accent), var(--mm-accent-2));
  box-shadow: 0 0 0 5px rgba(31, 79, 111, 0.08);
}

.mm-divider {
  height: 1px;
  margin: 18px 0;
  background: linear-gradient(90deg, transparent, rgba(23, 33, 42, 0.14), transparent);
}

.mm-hidden {
  display: none !important;
}

@keyframes settle {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .a1-hero-grid,
  .a1-link-grid,
  .a1-focus-grid,
  .track-grid,
  .stage-grid,
  .kpi-strip,
  .report-grid,
  .summary-grid,
  .eda-hero-grid,
  .eda-figure-grid,
  .eda-detail-grid,
  .eda-mini-grid,
  .mm-grid,
  .mm-two-up,
  .mm-three-up,
  .mm-metric-grid,
  .mm-compare-grid,
  .mm-stage-layout,
  .mm-stage-inspector-body,
  .mm-stage-inspector-head {
    grid-template-columns: 1fr;
  }

  .assignment-hero {
    padding-top: 40px;
  }

  .hero-notes span {
    min-width: 0;
    display: block;
    margin-bottom: 4px;
  }

  .a1-mini-metrics {
    grid-template-columns: 1fr;
  }
}

/* Homepage redesign */
body.home-page {
  --home-bg: #eceff1;
  --home-paper: #f9faf8;
  --home-ink: #182125;
  --home-muted: #5c666b;
  --home-line: rgba(18, 30, 38, 0.14);
  --home-accent: #15466d;
  --home-accent-soft: rgba(21, 70, 109, 0.1);
  --home-shadow: 0 18px 50px rgba(21, 33, 42, 0.09);
  color: var(--home-ink);
  font-family: "Manrope", "Avenir Next", "Segoe UI", sans-serif;
  background:
    radial-gradient(860px 520px at 96% -12%, rgba(21, 70, 109, 0.2), transparent 65%),
    radial-gradient(900px 540px at -12% 22%, rgba(66, 97, 77, 0.14), transparent 64%),
    var(--home-bg);
}

.home-page .nav {
  margin-top: 18px;
  border: 1px solid var(--home-line);
  background: rgba(249, 250, 248, 0.78);
  box-shadow: 0 10px 30px rgba(16, 30, 42, 0.08);
}

.home-page .brand {
  color: var(--home-ink);
  border-color: rgba(21, 70, 109, 0.24);
}

.home-page .brand::before {
  background: linear-gradient(135deg, var(--home-accent), #4f8f74);
}

.home-page .nav-link {
  color: rgba(24, 33, 37, 0.72);
}

.home-page .nav-link:hover {
  color: var(--home-ink);
  border-color: var(--home-line);
  background: rgba(255, 255, 255, 0.72);
}

.home-page .nav-link[aria-current="page"] {
  color: var(--home-ink);
  border-color: var(--home-line);
  background: rgba(255, 255, 255, 0.9);
}

.home-layout {
  padding-bottom: 24px;
}

.home-hero {
  padding-top: 56px;
}

.home-page .eyebrow {
  color: rgba(24, 33, 37, 0.6);
  letter-spacing: 0.12em;
}

.home-page h1 {
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(2.4rem, 7vw, 5rem);
  letter-spacing: -0.02em;
  max-width: 12ch;
  margin-bottom: 14px;
}

.home-page .lead {
  color: var(--home-muted);
  max-width: 64ch;
}

.hero-actions {
  margin-top: 22px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.btn {
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 700;
  font-size: 0.92rem;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--home-accent);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(21, 70, 109, 0.27);
}

.btn-secondary {
  background: rgba(249, 250, 248, 0.78);
  color: var(--home-accent);
  border-color: var(--home-line);
}

.home-stats {
  margin-top: 12px;
  display: grid;
  grid-template-columns: 1fr 1fr 1.2fr;
  gap: 12px;
}

.stat-card {
  border: 1px solid var(--home-line);
  background: var(--home-paper);
  border-radius: 18px;
  padding: 14px 16px;
  box-shadow: var(--home-shadow);
  animation: rise 0.7s ease-out both;
}

.stat-label {
  margin: 0;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(24, 33, 37, 0.6);
}

.stat-value {
  margin: 6px 0 0;
  font-size: 1.04rem;
  font-weight: 700;
}

.home-panel {
  margin-top: 16px;
  border: 1px solid var(--home-line);
  border-radius: 22px;
  padding: 22px;
  background: linear-gradient(142deg, rgba(249, 250, 248, 0.95), rgba(245, 247, 244, 0.95));
  box-shadow: var(--home-shadow);
}

.panel-head h2 {
  margin: 0 0 6px;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(1.5rem, 3.5vw, 2.15rem);
  letter-spacing: -0.01em;
}

.panel-head p {
  margin: 0;
  color: var(--home-muted);
}

.assignment-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.assignment-card {
  border: 1px solid var(--home-line);
  border-radius: 16px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: var(--home-shadow);
  animation: settle 0.7s ease forwards;
  opacity: 0;
  transform: translateY(8px);
}

.assignment-card:nth-child(2) {
  animation-delay: 0.12s;
}

.assignment-card:nth-child(3) {
  animation-delay: 0.22s;
}

.chip {
  display: inline-block;
  margin: 0 0 8px;
  padding: 4px 9px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border-radius: 999px;
  background: var(--home-accent-soft);
  color: var(--home-accent);
  font-weight: 700;
}

.assignment-card h3 {
  margin: 0 0 8px;
  font-size: 1.07rem;
}

.assignment-card p {
  margin: 0;
  color: var(--home-muted);
}

.meta-row {
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.88rem;
}

.meta-row span {
  color: rgba(24, 33, 37, 0.62);
}

.meta-row a {
  color: var(--home-accent);
  font-weight: 700;
}

.home-info {
  margin-top: 18px;
}

.home-card {
  border-color: var(--home-line);
  background: var(--home-paper);
  box-shadow: var(--home-shadow);
}

.home-page .tag {
  background: var(--home-accent-soft);
  color: var(--home-accent);
}

.home-page table {
  border-color: var(--home-line);
}

.home-page th {
  color: var(--home-ink);
}

.home-page td {
  color: var(--home-muted);
}

.home-page .footer {
  border-color: var(--home-line);
}

@media (max-width: 980px) {
  .home-stats,
  .assignment-grid {
    grid-template-columns: 1fr;
  }

  .home-hero {
    padding-top: 40px;
  }
}

/* Multimodal editorial report */
:root {
  --mm-bg: var(--bg);
  --mm-paper: rgba(255, 255, 255, 0.84);
  --mm-paper-strong: #ffffff;
  --mm-ink: #1d1d1f;
  --mm-muted: #6e6e73;
  --mm-line: rgba(0, 0, 0, 0.08);
  --mm-accent: #0071e3;
  --mm-accent-2: #1f6aa2;
  --mm-accent-soft: rgba(0, 113, 227, 0.12);
  --mm-shadow: 0 10px 30px rgba(0, 0, 0, 0.06);
}

body.multimodal-atlas {
  color: var(--mm-ink);
  background: radial-gradient(circle at top right, #ffffff 0%, var(--mm-bg) 60%);
  font-family: "Public Sans", "Segoe UI", sans-serif;
}

.multimodal-atlas::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0, 0, 0, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 0, 0, 0.02) 1px, transparent 1px);
  background-size: 30px 30px;
  opacity: 0.18;
}

.multimodal-atlas .shell {
  width: min(1400px, calc(100% - 40px));
}

.multimodal-atlas .nav {
  background: rgba(255, 250, 242, 0.76);
  border-color: var(--mm-line);
}

.multimodal-atlas .brand {
  background: rgba(255, 250, 242, 0.96);
  color: var(--mm-ink);
}

.multimodal-atlas .brand::before {
  background: linear-gradient(135deg, var(--mm-accent), #f0a24e);
}

.multimodal-atlas .nav-link {
  color: var(--mm-muted);
}

.multimodal-atlas .nav-link[aria-current="page"],
.multimodal-atlas .nav-link:hover {
  color: var(--mm-ink);
  background: rgba(255, 250, 242, 0.92);
  border-color: var(--mm-line);
}

.mm-report {
  padding-bottom: 56px;
}

.mm-report .hero {
  padding: 56px 0 22px;
}

.mm-kicker-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 16px;
}

.mm-kicker-line .eyebrow {
  margin: 0;
  color: var(--mm-accent);
}

.mm-stamp {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(182, 70, 31, 0.18);
  background: rgba(255, 250, 242, 0.76);
  color: var(--mm-accent);
  font-size: 0.77rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}

.multimodal-atlas h1,
.multimodal-atlas h2,
.multimodal-atlas h3 {
  font-family: "Fraunces", "Iowan Old Style", serif;
  font-weight: 600;
}

.multimodal-atlas h1 {
  max-width: 11ch;
}

.multimodal-atlas .lead {
  max-width: 900px;
  color: var(--mm-muted);
  font-size: 1.08rem;
}

.mm-actions,
.mm-subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.mm-actions {
  margin-top: 22px;
}

.mm-subnav {
  margin: 24px 0 30px;
}

.mm-button,
.mm-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--mm-line);
  background: rgba(255, 250, 242, 0.88);
  color: var(--mm-ink);
  font-size: 0.92rem;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.mm-button:hover,
.mm-pill:hover {
  text-decoration: none;
  transform: translateY(-1px);
  box-shadow: 0 14px 30px rgba(56, 38, 16, 0.08);
  border-color: rgba(182, 70, 31, 0.28);
}

.mm-pill[aria-current="page"] {
  background: linear-gradient(135deg, rgba(182, 70, 31, 0.14), rgba(240, 162, 78, 0.18));
  border-color: rgba(182, 70, 31, 0.25);
  color: var(--mm-accent);
  font-weight: 700;
}

.mm-stack {
  display: grid;
  gap: 18px;
}

.mm-panel {
  position: relative;
  border: 1px solid var(--mm-line);
  border-radius: 32px;
  background: var(--mm-paper);
  box-shadow: var(--mm-shadow);
  backdrop-filter: blur(10px);
  padding: 28px;
  overflow: hidden;
}

.mm-panel::after {
  content: "";
  position: absolute;
  inset: auto -10% -45% auto;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 113, 227, 0.08), transparent 70%);
  pointer-events: none;
}

.mm-panel > * {
  position: relative;
  z-index: 1;
}

.mm-panel h2 {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
}

.mm-panel h3 {
  margin: 0 0 10px;
  font-size: 1.3rem;
}

.mm-panel p,
.mm-panel li {
  color: var(--mm-muted);
}

.mm-section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--mm-accent);
}

.mm-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.mm-metric {
  min-height: 140px;
  border: 1px solid rgba(58, 46, 34, 0.1);
  border-radius: 24px;
  background: rgba(255, 250, 242, 0.9);
  padding: 20px;
}

.mm-metric-label {
  font-size: 0.78rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--mm-muted);
}

.mm-metric-value {
  margin: 8px 0 10px;
  font-family: "Fraunces", serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 0.95;
  color: var(--mm-ink);
}

.mm-metric-note {
  margin: 0;
  color: var(--mm-muted);
  font-size: 0.92rem;
}

.mm-prose {
  max-width: 1100px;
}

.mm-figure {
  margin-top: 20px;
  border: 1px solid rgba(58, 46, 34, 0.08);
  border-radius: 26px;
  overflow: hidden;
  background: var(--mm-paper-strong);
}

.mm-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.mm-figure figcaption {
  padding: 14px 18px 18px;
  color: var(--mm-muted);
  font-size: 0.94rem;
}

.mm-table-wrap {
  margin-top: 18px;
  overflow-x: auto;
}

.multimodal-atlas table {
  border-color: var(--mm-line);
  background: rgba(255, 250, 242, 0.95);
}

.multimodal-atlas th {
  background: rgba(24, 76, 83, 0.08);
  color: var(--mm-ink);
}

.multimodal-atlas td {
  color: #423a33;
}

.mm-code {
  margin-top: 18px;
  padding: 18px 20px;
  border-radius: 24px;
  background: #1f2126;
  color: #ece7dc;
  overflow: auto;
  font-size: 0.92rem;
  line-height: 1.6;
}

.mm-code code {
  font-family: "IBM Plex Mono", monospace;
}

.mm-note-list,
.mm-inline-list {
  margin: 14px 0 0;
  padding-left: 20px;
}

.mm-inline-list li + li,
.mm-note-list li + li {
  margin-top: 8px;
}

.mm-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.mm-gallery img {
  width: 100%;
  display: block;
  border-radius: 22px;
  border: 1px solid rgba(58, 46, 34, 0.08);
}

.mm-figure-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.mm-figure-grid .mm-figure {
  margin-top: 0;
}

.mm-callout {
  margin-top: 18px;
  padding: 18px 20px;
  border-left: 4px solid var(--mm-accent);
  border-radius: 0 20px 20px 0;
  background: rgba(0, 113, 227, 0.07);
  color: #334155;
}

.mm-link-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.mm-link-card {
  display: block;
  padding: 22px;
  border-radius: 24px;
  border: 1px solid var(--mm-line);
  background: rgba(255, 250, 242, 0.88);
  color: var(--mm-ink);
  text-decoration: none;
}

.mm-link-card:hover {
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(56, 38, 16, 0.08);
}

.mm-link-card p {
  margin: 10px 0 0;
  color: var(--mm-muted);
}

.mm-link-card h3 {
  margin: 0;
}

.mm-footer {
  margin: 34px 0 12px;
  padding-top: 18px;
  border-top: 1px solid var(--mm-line);
  color: var(--mm-muted);
}

@media (max-width: 1100px) {
  .mm-metrics,
  .mm-link-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .multimodal-atlas .shell {
    width: min(100%, calc(100% - 24px));
  }

  .mm-metrics,
  .mm-link-grid,
  .mm-gallery,
  .mm-figure-grid {
    grid-template-columns: 1fr;
  }

  .mm-panel {
    padding: 22px 18px;
    border-radius: 24px;
  }
}