:root {
  --bg: #0f1115;
  --card: #181c23;
  --text: #e9eef7;
  --muted: #b8c2d1;
  --border: #354052;
  --row-alt: #131922;
  --row-hover: #222b38;
  --accent: #da1e28;
  --accent-strong: #b1161f;
  --link: #ff8e95;
  --link-hover: #ffb0b5;
  --win: #4bd37b;
  --loss: #ff5f67;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
}

.header h1 {
  margin: 0;
  color: var(--accent);
}

.subtitle {
  margin-top: 0.25rem;
  color: var(--muted);
}

.subtitle a {
  color: var(--link);
}

.nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin: 1rem 0;
}

.nav-btn {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 0.5rem 0.85rem;
  border-radius: 6px;
  cursor: pointer;
}

.nav-btn.active,
.nav-btn:hover {
  border-color: var(--accent);
  background: #241318;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1rem;
}

.toolbar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

input,
select {
  background: #12161d;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 0.5rem 0.65rem;
}

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

th,
td {
  border-bottom: 1px solid var(--border);
  padding: 0.55rem 0.45rem;
  text-align: left;
}

th {
  color: var(--muted);
  font-weight: 600;
}

tbody tr:nth-child(even) {
  background: var(--row-alt);
}

tbody tr:hover {
  background: var(--row-hover);
}

a {
  color: var(--link);
  text-decoration: none;
  font-weight: 500;
}

a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

.pager {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-top: 0.75rem;
}

.btn {
  background: var(--accent);
  border: none;
  color: #fff;
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
}

.btn:hover {
  background: var(--accent-strong);
}

.btn.secondary {
  background: #242b37;
  border: 1px solid var(--border);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

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

.empty {
  color: var(--muted);
  padding: 1rem 0;
}

.fighter-main {
  font-weight: 600;
}

.fighter-sub {
  margin-top: 0.2rem;
  font-size: 0.84rem;
}

.elo-gain,
.result-win {
  color: var(--win);
}

.elo-loss,
.result-loss {
  color: var(--loss);
}

.tab-row {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.9rem;
}

.fighter-tab.active {
  border-color: var(--accent);
  background: #2a1820;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.7rem;
  margin-bottom: 1rem;
}

.stat-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.7rem;
  background: #121923;
}

.stat-label {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
}

.stat-value {
  display: block;
  margin-top: 0.2rem;
  font-weight: 700;
  font-size: 1.05rem;
}

.chart-wrap {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem;
  background: #121923;
}

.chart-wrap svg {
  width: 100%;
  height: auto;
}

.chart-axis {
  stroke: var(--muted);
  stroke-width: 1;
}

.chart-grid {
  stroke: rgba(126, 140, 161, 0.25);
  stroke-width: 1;
}

.chart-line {
  stroke: var(--link);
  stroke-width: 2;
}

.chart-dot {
  fill: var(--accent);
  stroke: #0f151f;
  stroke-width: 1.4;
  transform-box: fill-box;
  transform-origin: center;
  transition: transform 120ms ease, stroke-width 120ms ease;
}

.chart-point-gain {
  fill: #37c28a;
}

.chart-point-loss {
  fill: #e26d69;
}

.chart-dot:hover,
.chart-dot:focus-visible {
  stroke: #ffffff;
  stroke-width: 2.2;
  transform: scale(1.18);
}

.chart-axis-tick {
  fill: var(--muted);
  font-size: 10px;
}

.chart-axis-label {
  fill: var(--text);
  font-size: 11px;
  font-weight: 600;
}

.chart-tooltip {
  position: absolute;
  z-index: 4;
  max-width: min(280px, calc(100% - 16px));
  padding: 0.55rem 0.65rem;
  border-radius: 7px;
  border: 1px solid rgba(139, 159, 185, 0.45);
  background: rgba(12, 18, 28, 0.95);
  color: var(--text);
  white-space: pre-line;
  font-size: 0.79rem;
  line-height: 1.35;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.34);
  pointer-events: none;
}

.chart-tooltip-gain {
  border-color: rgba(55, 194, 138, 0.75);
}

.chart-tooltip-loss {
  border-color: rgba(226, 109, 105, 0.75);
}

.chart-caption {
  margin: 0.35rem 0 0;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 7, 13, 0.74);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 999;
}

.modal-overlay.open {
  display: flex;
}

.modal-card {
  width: min(560px, 100%);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
}

.modal-head {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  align-items: center;
}

.modal-head h3 {
  margin: 0;
}

.modal-links {
  margin: 0.5rem 0 0.75rem;
  padding-left: 1.1rem;
}

.modal-links li {
  margin: 0.35rem 0;
}