:root {
  --bg: #08111f;
  --card: #0f172a;
  --card-2: #111c34;
  --border: rgba(255,255,255,0.08);
  --text: #e6eefc;
  --muted: #8da2c0;
  --accent: #00e58f;
  --danger: #ff4d4f;
  --warning: #ffb020;
  --shadow: 0 12px 30px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(0,229,143,0.08), transparent 24%),
    linear-gradient(180deg, #07101c, #091426 50%, #08111f 100%);
  color: var(--text);
}

.app-shell {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}

.topbar h1 {
  margin: 0 0 6px;
  font-size: 34px;
  letter-spacing: 0.5px;
}

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

.status-pill {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
  border: 1px solid var(--border);
  background: var(--card);
}

.status-pill.live {
  color: #04140d;
  background: var(--accent);
}

.status-pill.error {
  color: white;
  background: var(--danger);
}

.tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.tab-btn,
.action-btn {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  padding: 12px 16px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 700;
  transition: 0.18s ease;
}

.tab-btn:hover,
.action-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(0,229,143,0.35);
}

.tab-btn.active {
  background: var(--accent);
  color: #04140d;
  border-color: transparent;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 16px;
}

.matchup-card,
.data-card {
  background: linear-gradient(180deg, var(--card), var(--card-2));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow);
}

.matchup-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.matchup-title {
  margin: 0 0 6px;
  font-size: 22px;
}

.matchup-sub {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.grade-badge {
  min-width: 62px;
  text-align: center;
  padding: 12px 10px;
  border-radius: 14px;
  font-weight: 900;
  font-size: 20px;
  color: #08111f;
}

.grade-Aplus, .grade-A, .grade-Aminus {
  background: var(--accent);
}

.grade-Bplus, .grade-B, .grade-Bminus {
  background: var(--warning);
}

.grade-Cplus, .grade-C, .grade-Cminus {
  background: #cbd5e1;
}

.grade-D, .grade-F {
  background: var(--danger);
  color: #fff;
}

.meta-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 14px;
}

.player-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.player-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.04);
}

.player-name {
  font-weight: 700;
}

.player-grade {
  font-weight: 800;
  color: var(--accent);
}

.player-edge {
  color: var(--muted);
  font-weight: 700;
}

.single-card {
  display: grid;
  gap: 16px;
}

.lineup-grid,
.pick-grid {
  display: grid;
  gap: 10px;
}

.lineup-row,
.pick-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  align-items: center;
  padding: 14px;
  border-radius: 14px;
  background: linear-gradient(180deg, var(--card), #0e1a2f);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.salary,
.score {
  color: var(--muted);
  font-weight: 700;
}

.empty,
.loading-box,
.error-box {
  padding: 18px;
  border-radius: 14px;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--muted);
}

.error-box {
  color: #fff;
  background: rgba(255,77,79,0.12);
  border-color: rgba(255,77,79,0.4);
}

@media (max-width: 720px) {
  .topbar,
  .panel-header,
  .matchup-top {
    flex-direction: column;
    align-items: stretch;
  }

  .player-row,
  .lineup-row,
  .pick-row {
    grid-template-columns: 1fr;
  }

  .grade-badge {
    width: 100%;
  }
}