:root {
  --bg: #f8f1e8;
  --card: #fffaf3;
  --text: #4a3328;
  --muted: #7c665c;
  --accent: #b9846f;
  --accent-dark: #8f5d4b;
  --border: #ead8c7;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, #f3d9cf 0, transparent 28%),
    radial-gradient(circle at bottom right, #dbe7d1 0, transparent 30%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.page {
  min-height: 100vh;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card {
  width: 100%;
  max-width: 520px;
  background: rgba(255, 250, 243, 0.95);
  border: 1px solid var(--border);
  border-radius: 28px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(74, 51, 40, 0.12);
}

.tag {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 999px;
  background: #f1dfd3;
  color: var(--accent-dark);
  font-weight: 700;
  margin-bottom: 16px;
}

h1 {
  margin: 0 0 16px;
  font-size: 2.4rem;
  line-height: 1.05;
}

.intro {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.5;
  margin: 0 0 28px;
}

.buttons {
  display: grid;
  gap: 12px;
}

.btn {
  display: block;
  text-decoration: none;
  color: var(--accent-dark);
  border: 1px solid var(--accent);
  padding: 14px 18px;
  border-radius: 16px;
  font-weight: 700;
  background: #fff;
}

.btn.primary {
  background: var(--accent);
  color: white;
}

.footer {
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 24px 0;
}

.stats div {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
}

.stats strong {
  display: block;
  font-size: 2rem;
  color: var(--accent-dark);
}

.stats span {
  display: block;
  color: var(--muted);
  font-size: 0.9rem;
}

.page.wide {
  align-items: flex-start;
}

.wide-card {
  max-width: 980px;
}

.form {
  display: grid;
  gap: 12px;
  margin: 24px 0;
  text-align: left;
}

input, textarea, select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 13px 14px;
  font: inherit;
  color: var(--text);
  background: #fff;
}

textarea {
  min-height: 90px;
  resize: vertical;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 120px;
  gap: 12px;
}

.table-wrap {
  overflow-x: auto;
  margin-top: 24px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  border-radius: 18px;
  overflow: hidden;
}

th, td {
  text-align: left;
  padding: 13px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  background: #f1dfd3;
  color: var(--accent-dark);
}

td small {
  display: block;
  color: var(--muted);
  margin-top: 4px;
}

@media (max-width: 700px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

code {
  background: #f1dfd3;
  color: var(--accent-dark);
  padding: 4px 7px;
  border-radius: 8px;
  font-weight: 700;
}

.mini-danger {
  border: 0;
  background: #b85050;
  color: #fff;
  border-radius: 10px;
  padding: 8px 10px;
  font-weight: 700;
  cursor: pointer;
}

@media (max-width: 700px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

.intro.small {
  font-size: 0.9rem;
  margin-bottom: 8px;
}

h2 {
  margin: 12px 0 4px;
  font-size: 1.25rem;
}

.sep {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 28px 0;
}

.assignments {
  display: grid;
  gap: 18px;
  margin-top: 24px;
}

.assignment-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 18px;
  text-align: left;
}

.assignment-card h2 {
  margin-top: 0;
}

.assignment-card ol {
  margin-bottom: 0;
  padding-left: 22px;
}

.assignment-card li {
  margin-bottom: 10px;
}

.assignment-card small {
  display: block;
  color: var(--muted);
  margin-top: 2px;
}

.meta {
  color: var(--muted);
  margin-top: -4px;
}

.results {
  display: grid;
  gap: 12px;
  margin: 20px 0;
}

.result-card {
  display: grid;
  gap: 4px;
  text-align: left;
  text-decoration: none;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 14px;
}

.result-card span {
  color: var(--muted);
}

.mission-list {
  display: grid;
  gap: 14px;
  margin: 24px 0;
}

.mission-card {
  text-align: left;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
}

.mission-card strong {
  display: block;
  font-size: 1.05rem;
}

.mission-card small {
  display: block;
  color: var(--muted);
  margin-top: 5px;
}

.mission-card em {
  display: inline-block;
  margin-top: 8px;
  color: var(--accent-dark);
  font-style: normal;
  font-size: 0.9rem;
  font-weight: 700;
}

.alert {
  padding: 12px 14px;
  border-radius: 14px;
  margin: 16px 0;
  font-weight: 700;
}

.alert.error {
  background: #ffe1e1;
  color: #9f3030;
  border: 1px solid #e6aaaa;
}

.ranking-list {
  display: grid;
  gap: 12px;
  margin: 24px 0;
}

.ranking-card {
  display: grid;
  grid-template-columns: 48px 1fr 90px;
  gap: 12px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 14px;
  text-align: left;
}

.ranking-card.winner {
  border-color: var(--accent);
  background: #fff6ee;
}

.rank-number {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: #f1dfd3;
  color: var(--accent-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
}

.rank-info strong,
.rank-points strong {
  display: block;
}

.rank-info span,
.rank-points span,
.rank-detail {
  color: var(--muted);
  font-size: 0.9rem;
}

.rank-points {
  text-align: right;
}

.rank-detail {
  grid-column: 2 / 4;
}

@media (max-width: 700px) {
  .ranking-card {
    grid-template-columns: 42px 1fr;
  }

  .rank-points {
    grid-column: 2;
    text-align: left;
  }

  .rank-detail {
    grid-column: 2;
  }
}

.mini-btn {
  border: 1px solid var(--accent);
  background: #fff;
  color: var(--accent-dark);
  border-radius: 10px;
  padding: 8px 10px;
  font-weight: 700;
  cursor: pointer;
}

.qr-box {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 18px;
  margin: 22px auto;
  max-width: 280px;
}

.qr-box img {
  width: 100%;
  height: auto;
  display: block;
}