:root {
  --bg: #111017;
  --bg-card: #1a1725;
  --bg-soft: #221f30;
  --text: #f4f0ff;
  --muted: #bcb3d6;
  --purple: #8f63ff;
  --green: #43d18d;
  --red: #ff6d7f;
  --gold: #f5c96b;
  --border: #31294b;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: radial-gradient(circle at top, #1d1930 0%, var(--bg) 45%);
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  min-height: 100vh;
}

.app-header {
  padding: 1rem 1rem 0.5rem;
}

.app-header h1 {
  margin: 0;
  font-size: 1.5rem;
}

.subtitle {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.4rem;
  padding: 0.75rem 1rem;
  position: sticky;
  top: 0;
  background: rgba(17, 16, 23, 0.94);
  backdrop-filter: blur(10px);
  z-index: 20;
}

.tab-btn,
button,
input,
select,
textarea {
  font: inherit;
}

.tab-btn {
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--muted);
  padding: 0.45rem 0.5rem;
  font-size: 0.8rem;
}

.tab-btn.active {
  background: var(--purple);
  border-color: transparent;
  color: white;
}

.content {
  padding: 0.75rem 1rem 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 0.9rem;
  margin-bottom: 0.85rem;
  box-shadow: var(--shadow);
}

.card h2,
.card h3 {
  margin-top: 0;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.82rem;
  color: var(--muted);
}

input,
select,
textarea,
button {
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-soft);
  color: var(--text);
  padding: 0.55rem 0.65rem;
}

textarea {
  min-height: 80px;
  resize: vertical;
}

button {
  cursor: pointer;
}

button.primary {
  background: var(--purple);
  border-color: transparent;
  color: white;
}

button.secondary {
  background: #2a2140;
}

button.danger {
  background: #3d1e2d;
  border-color: #69314a;
  color: #ffc4d0;
}

button.ghost {
  background: transparent;
}

.player-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.75rem;
  margin-bottom: 0.7rem;
  background: #181524;
}

.player-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.45rem;
}

.player-head h3 {
  margin: 0;
  font-size: 1rem;
}

.row {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}

.kpi {
  background: #201b31;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.6rem;
}

.kpi .label {
  color: var(--muted);
  font-size: 0.75rem;
}

.kpi .value {
  font-size: 1.1rem;
  font-weight: 700;
}

.value.win,
.win {
  color: var(--green);
}

.value.loss,
.loss {
  color: var(--red);
}

.value.gold,
.gold {
  color: var(--gold);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

th,
td {
  border-bottom: 1px solid var(--border);
  padding: 0.5rem 0.4rem;
  text-align: left;
  white-space: nowrap;
}

.history-item summary {
  cursor: pointer;
}

.muted {
  color: var(--muted);
}

.error {
  color: #ff97a6;
  font-size: 0.9rem;
}

.success {
  color: var(--green);
  font-size: 0.9rem;
}

.hidden {
  display: none !important;
}

@media (max-width: 640px) {
  .field-grid {
    grid-template-columns: 1fr;
  }

  .tabs {
    position: sticky;
    bottom: 0;
    top: auto;
    padding-bottom: 1rem;
  }

  .content {
    padding-bottom: 5rem;
  }

  .tab-btn {
    font-size: 0.72rem;
  }
}