:root {
  --bg: #eef4f0;
  --card: #ffffff;
  --line: #d7e2dc;
  --text: #17312a;
  --muted: #54766a;
  --accent: #1f9f76;
  --accent-deep: #0f7555;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 8% 15%, #f8fff9 0%, transparent 35%),
    radial-gradient(circle at 86% 12%, #f4fff7 0%, transparent 36%),
    var(--bg);
}

body.modal-open {
  overflow: hidden;
}

.portal {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  display: grid;
  gap: 14px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  box-shadow: 0 8px 28px rgba(40, 65, 55, 0.06);
}

.hero h1 {
  margin: 0;
  font-size: clamp(1.4rem, 2vw + 0.7rem, 2.1rem);
}

.hero p {
  margin: 6px 0 0;
  color: var(--muted);
}

.hero-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.hero-auth-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-height: 38px;
}

.guest-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-panel {
  display: flex;
  align-items: center;
  gap: 8px;
}

#hero-username {
  border: 1px solid #c8ddd3;
  border-radius: 999px;
  padding: 4px 10px;
  background: #f4fffa;
  font-weight: 600;
  font-size: 0.9rem;
}

.auth-form {
  display: grid;
  gap: 8px;
}

.auth-form h2 {
  margin: 0 0 4px;
  font-size: 1.1rem;
}

.auth-form label {
  display: grid;
  gap: 4px;
  font-size: 0.9rem;
}

.auth-form input,
.rounds-header select {
  width: 100%;
  border: 1px solid #c3d6ce;
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 0.95rem;
}

button {
  border: none;
  border-radius: 10px;
  padding: 8px 12px;
  background: linear-gradient(180deg, var(--accent), var(--accent-deep));
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.04);
}

.message {
  min-height: 20px;
  margin: 10px 0 0;
  color: #c84343;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(14, 28, 24, 0.48);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 20;
}

.modal-card {
  width: min(520px, 100%);
  border: 1px solid #c7ded4;
  border-radius: 14px;
  background: #ffffff;
  padding: 14px;
  box-shadow: 0 18px 42px rgba(26, 49, 41, 0.2);
}

.modal-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.modal-head h2 {
  margin: 0;
  font-size: 1.2rem;
}

.ghost-btn {
  background: #edf7f2;
  color: #1b5f49;
  border: 1px solid #c5ddd2;
}

.auth-pane {
  margin-top: 12px;
}

.hidden {
  display: none;
}

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

.dashboard-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.dashboard-top h2 {
  margin: 0;
}

.sub {
  margin: 4px 0 0;
  color: var(--muted);
}

.dashboard-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

.rooms-card {
  grid-column: span 4;
}

.summary-card {
  grid-column: span 8;
}

.rounds-card {
  grid-column: span 5;
}

.detail-card {
  grid-column: span 7;
}

.leaderboard-card {
  grid-column: span 12;
}

h3 {
  margin: 0 0 10px;
}

.room-list {
  display: grid;
  gap: 8px;
}

.room-entry {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
}

.room-meta {
  display: grid;
  gap: 2px;
}

.room-meta span {
  color: var(--muted);
  font-size: 0.86rem;
}

.summary-head {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.pill {
  border: 1px dashed #bad6ca;
  border-radius: 999px;
  padding: 4px 10px;
  color: var(--muted);
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  border-bottom: 1px solid #e2ece7;
  padding: 7px 6px;
  font-size: 0.92rem;
  text-align: left;
}

.rounds-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.rounds-header h3 {
  margin: 0;
}

.round-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 340px;
  overflow: auto;
  display: grid;
  gap: 7px;
}

.round-item {
  border: 1px solid #d8e6df;
  border-radius: 10px;
  padding: 8px 10px;
  cursor: pointer;
  background: #fbfffd;
}

.round-item:hover {
  border-color: #9ec8b7;
}

.round-item .line-1 {
  font-weight: 600;
}

.round-item .line-2 {
  color: var(--muted);
  font-size: 0.83rem;
  margin-top: 3px;
}

.round-detail {
  min-height: 180px;
  color: var(--muted);
}

.round-detail .head {
  margin-bottom: 8px;
  color: var(--text);
}

.round-score-table {
  width: 100%;
}

.round-score-table tr.self td {
  background: #ecfff5;
  color: #11553f;
  font-weight: 700;
}

@media (max-width: 920px) {
  .rooms-card,
  .summary-card,
  .rounds-card,
  .detail-card,
  .leaderboard-card {
    grid-column: span 12;
  }

  .hero-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-auth-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .dashboard-top {
    flex-direction: column;
    align-items: flex-start;
  }
}