:root {
  color-scheme: light;
  --ink: #18212f;
  --muted: #526071;
  --line: #d9e0e8;
  --paper: #fbfcfd;
  --panel: #ffffff;
  --red: #b4232a;
  --green: #28715d;
  --blue: #1f4f82;
  --gold: #b9842f;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(251, 252, 253, .96), rgba(251, 252, 253, .72)),
    url("https://images.unsplash.com/photo-1551836022-d5d88e9218df?auto=format&fit=crop&w=1800&q=82") center / cover;
}

a {
  color: inherit;
  text-decoration: none;
}

.subpage {
  display: grid;
  place-items: center;
  padding: 24px;
}

.subpage main {
  width: min(720px, 100%);
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: clamp(28px, 6vw, 54px);
  box-shadow: 0 18px 44px rgba(24, 33, 47, .12);
}

.back {
  display: inline-block;
  color: var(--red);
  font-weight: 800;
  margin-bottom: 28px;
  text-decoration: none;
}

h1 {
  margin: 0;
  font-size: clamp(3rem, 12vw, 5.5rem);
  line-height: .95;
  letter-spacing: 0;
}

p {
  color: var(--muted);
  line-height: 1.6;
  font-size: 1.08rem;
  margin: 22px 0 30px;
}

.button {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border-radius: 8px;
  background: var(--ink);
  color: #ffffff;
  text-decoration: none;
  font-weight: 760;
}

.button.secondary {
  background: #ffffff;
  color: var(--ink);
  border: 1px solid var(--line);
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tool-page {
  min-height: 100vh;
  background: #f5f7fa;
}

.tool-header {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.tool-header .back {
  margin: 0;
}

.tool-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--muted);
  font-weight: 720;
}

.score-shell {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.score-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 24px;
  align-items: stretch;
  margin-bottom: 22px;
}

.score-hero > div,
.score-panel,
.check-group,
.result-band {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(24, 33, 47, .07);
}

.score-hero > div {
  padding: clamp(28px, 5vw, 52px);
}

.label {
  margin: 0 0 14px;
  color: var(--red);
  font-size: .84rem;
  font-weight: 820;
  letter-spacing: 0;
  text-transform: uppercase;
}

.score-hero h1 {
  max-width: 760px;
  font-size: clamp(3rem, 7vw, 6rem);
}

.lede {
  max-width: 720px;
}

.score-panel {
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.score-panel span {
  color: var(--muted);
  font-weight: 760;
}

.score-panel strong {
  display: block;
  margin: 8px 0 10px;
  color: var(--green);
  font-size: clamp(4rem, 10vw, 6.5rem);
  line-height: .9;
  letter-spacing: 0;
}

.score-panel p {
  margin: 0;
}

.checklist {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.check-group {
  padding: 24px;
}

.check-group h2 {
  margin: 0 0 16px;
  font-size: 1.35rem;
}

.check-group label {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  color: #334154;
  line-height: 1.45;
}

.check-group label:first-of-type {
  border-top: 0;
}

.check-group input {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--green);
}

.result-band {
  margin-top: 16px;
  padding: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.result-band h2 {
  margin: 0 0 8px;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1.05;
}

.result-band p {
  margin: 0;
  max-width: 760px;
}

.sprint-page {
  background:
    linear-gradient(135deg, rgba(31, 79, 130, .08), transparent 36%),
    linear-gradient(315deg, rgba(180, 35, 42, .07), transparent 34%),
    #f5f7fa;
}

.sprint-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.sprint-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 22px;
  margin-bottom: 18px;
}

.sprint-hero > div,
.sprint-score,
.sprint-board,
.sprint-mission,
.sprint-progress {
  background: rgba(255, 255, 255, .94);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(24, 33, 47, .07);
}

.sprint-hero > div {
  padding: clamp(28px, 5vw, 52px);
}

.sprint-hero h1 {
  max-width: 760px;
  font-size: clamp(3rem, 7vw, 6rem);
}

.sprint-score {
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.sprint-score span,
.sprint-badge,
.mission-meta {
  color: var(--muted);
  font-weight: 760;
}

.sprint-score strong {
  display: block;
  margin: 8px 0 10px;
  color: var(--blue);
  font-size: clamp(4rem, 10vw, 6.5rem);
  line-height: .9;
  letter-spacing: 0;
}

.sprint-score p,
.sprint-board-head p,
.sprint-mission p,
.sprint-progress p {
  margin: 0;
}

.sprint-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 18px;
}

.sprint-board {
  padding: 18px;
}

.sprint-board-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 14px;
}

.sprint-board-head h2,
.sprint-mission h2,
.sprint-progress h2 {
  margin: 0 0 8px;
  font-size: clamp(1.35rem, 2vw, 1.8rem);
  line-height: 1.08;
}

.sprint-badge,
.mission-meta span:last-child {
  padding: 5px 9px;
  border-radius: 8px;
  background: #edf3f8;
  white-space: nowrap;
}

.sprint-lanes {
  display: grid;
  grid-template-columns: repeat(5, minmax(120px, 1fr));
  gap: 12px;
}

.mission-card {
  width: 100%;
  min-height: 300px;
  padding: 14px;
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  gap: 12px;
  text-align: left;
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.mission-card:hover,
.mission-card:focus-visible {
  outline: none;
  transform: translateY(-2px);
  border-color: var(--blue);
  box-shadow: 0 12px 24px rgba(31, 79, 130, .14);
}

.mission-card.is-selected {
  border-color: var(--blue);
  background: linear-gradient(180deg, #ffffff, #e8f1fb);
}

.mission-card.is-done {
  border-color: rgba(40, 113, 93, .45);
  background: linear-gradient(180deg, #ffffff, #e8f6ef);
}

.mission-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: var(--blue);
  background: #e8f1fb;
  border-radius: 8px;
}

.mission-card:nth-child(2) .mission-icon,
.mission-card:nth-child(4) .mission-icon {
  color: var(--red);
  background: #fae9ea;
}

.mission-card:nth-child(3) .mission-icon {
  color: var(--gold);
  background: #fbf1dd;
}

.mission-card h3 {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.2;
}

.mission-card p {
  margin: 0;
  color: var(--muted);
  font-size: .92rem;
  line-height: 1.45;
}

.mission-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  font-size: .84rem;
}

.mission-card.is-done .mission-meta span:last-child {
  background: #dff2e8;
  color: var(--green);
}

.sprint-mission {
  padding: 22px;
  display: grid;
  align-content: start;
  gap: 16px;
}

.sprint-mission-title {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.sprint-mission-title span {
  color: var(--red);
  font-weight: 800;
}

.mission-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.mission-steps li {
  padding: 10px 12px;
  border-radius: 8px;
  background: #f2f5f8;
  color: var(--ink);
  line-height: 1.35;
}

.sprint-actions {
  display: grid;
  grid-template-columns: 1fr 48px;
  gap: 10px;
}

.mission-button {
  width: 100%;
  border: 0;
}

.mission-button:disabled {
  cursor: default;
  background: #aab7c4;
}

.reset-button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  display: grid;
  place-items: center;
  cursor: pointer;
}

.sprint-progress {
  margin-top: 18px;
  padding: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 330px;
  gap: 22px;
  align-items: center;
}

@media (max-width: 780px) {
  .tool-header,
  .result-band {
    align-items: flex-start;
    flex-direction: column;
  }

  .score-hero,
  .checklist,
  .sprint-hero,
  .sprint-workspace,
  .sprint-progress {
    grid-template-columns: 1fr;
  }

  .sprint-lanes {
    grid-template-columns: 1fr;
  }

  .mission-card {
    min-height: 190px;
  }
}