:root {
  --bg: #0b1016;
  --bg-raised: #131b24;
  --bg-raised-2: #1a242f;
  --border: #253140;
  --border-soft: #1d2733;
  --text: #e8eef5;
  --text-dim: #93a4b8;
  --text-faint: #65778c;
  --accent: #4ade80;
  --accent-dark: #16a34a;
  --danger: #f87171;
  --warn: #fbbf24;
  --radius: 12px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(1100px 520px at 12% -12%, #18304a 0%, transparent 62%),
    radial-gradient(900px 460px at 92% -4%, #1d3a2c 0%, transparent 58%),
    var(--bg);
  color: var(--text);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
}

.shell {
  width: min(1240px, 100% - 2.5rem);
  margin-inline: auto;
}

/* ------------------------------------------------------------- masthead */

.masthead { padding: 3rem 0 1.75rem; }

.masthead h1 {
  margin: 0 0 .6rem;
  font-size: clamp(1.7rem, 4vw, 2.6rem);
  letter-spacing: -.02em;
}

.ball { margin-right: .25rem; }

.tagline {
  margin: 0;
  max-width: 62ch;
  color: var(--text-dim);
  font-size: 1.02rem;
}

.tagline strong { color: var(--text); font-weight: 600; }

/* --------------------------------------------------------------- lookup */

.lookup {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}

#league-form {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
}

.field { display: flex; flex-direction: column; gap: .35rem; flex: 1 1 220px; }
.field.season { flex: 0 0 130px; }

label {
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-faint);
  font-weight: 600;
}

input, select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 9px;
  color: var(--text);
  padding: .65rem .75rem;
  font: inherit;
  width: 100%;
}

input:focus-visible, select:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.actions { display: flex; gap: .6rem; flex-wrap: wrap; }

button {
  font: inherit;
  font-weight: 600;
  border-radius: 9px;
  padding: .65rem 1.1rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background .15s, border-color .15s, color .15s, transform .08s;
}

button:active:not(:disabled) { transform: translateY(1px); }
button:disabled { opacity: .55; cursor: progress; }

.primary { background: var(--accent); color: #06250f; }
.primary:hover:not(:disabled) { background: #65e79a; }

.ghost { background: transparent; border-color: var(--border); color: var(--text-dim); }
.ghost:hover:not(:disabled) { border-color: var(--text-faint); color: var(--text); }

.help { margin-top: 1.1rem; border-top: 1px solid var(--border-soft); padding-top: .9rem; }
.help summary { cursor: pointer; color: var(--text-dim); font-size: .9rem; }
.help summary:hover { color: var(--text); }
.help-body { margin-top: .6rem; color: var(--text-dim); font-size: .9rem; max-width: 78ch; }
.help-body p { margin: .5rem 0; }

code {
  font-family: var(--mono);
  font-size: .86em;
  background: var(--bg);
  border: 1px solid var(--border-soft);
  border-radius: 5px;
  padding: .08em .35em;
}

/* --------------------------------------------------------------- status */

.status {
  margin-top: 1.1rem;
  padding: .85rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-raised);
  display: flex;
  flex-direction: column;
  gap: .2rem;
}

.status strong { font-weight: 600; }
.status span { color: var(--text-dim); font-size: .9rem; }
.status.error { border-color: #7f2d2d; background: #2a1618; }
.status.error strong { color: var(--danger); }
.status.success { border-color: #27613f; background: #12241b; }
.status.success strong { color: var(--accent); }
.status.loading { border-color: #2e4a6b; background: #141f2c; }

/* --------------------------------------------------------------- league */

.league-head { margin: 2.25rem 0 1rem; }
.league-head h2 { margin: 0; font-size: 1.6rem; letter-spacing: -.01em; }
.league-meta { margin: .3rem 0 0; color: var(--text-faint); font-size: .9rem; }

.tabs {
  display: flex;
  gap: .4rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
  padding-bottom: .65rem;
  margin-bottom: 1.4rem;
}

.tab {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid transparent;
  padding: .5rem .95rem;
  font-size: .92rem;
}

.tab:hover { color: var(--text); background: var(--bg-raised); }
.tab.active { background: var(--bg-raised-2); border-color: var(--border); color: var(--text); }

.panel-note {
  margin: 0 0 1rem;
  color: var(--text-dim);
  font-size: .92rem;
  max-width: 88ch;
}

.panel-note em { color: var(--text); font-style: normal; font-weight: 600; }

/* --------------------------------------------------------------- tables */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-raised);
  -webkit-overflow-scrolling: touch;
}

table { border-collapse: separate; border-spacing: 0; width: 100%; font-size: .9rem; }

th, td {
  padding: .55rem .7rem;
  text-align: right;
  white-space: nowrap;
  border-bottom: 1px solid var(--border-soft);
}

th {
  position: sticky;
  top: 0;
  z-index: 3;
  background: var(--bg-raised-2);
  color: var(--text-faint);
  font-size: .73rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-weight: 600;
}

th:first-child, td:first-child { text-align: left; }
.col-team { text-align: left; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: #1b2733; }

.sticky-first th:first-child,
.sticky-first td:first-child {
  position: sticky;
  left: 0;
  z-index: 2;
  background: var(--bg-raised);
  border-right: 1px solid var(--border);
}

.sticky-first th:first-child { z-index: 4; background: var(--bg-raised-2); }
.sticky-first tbody tr:hover td:first-child { background: #1b2733; }

.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; font-size: .86rem; }
.rank { color: var(--text-faint); font-family: var(--mono); width: 2.5rem; }
.muted { color: var(--text-faint); }
.good { color: var(--accent); }
.bad { color: var(--danger); }
.neutral { color: var(--text-dim); }
.total-col { border-left: 1px solid var(--border); font-weight: 600; }

.team-cell { display: flex; align-items: center; gap: .5rem; min-width: 190px; }
.team-dot { width: 9px; height: 9px; border-radius: 50%; flex: 0 0 auto; }
.team-name { font-weight: 600; }
.team-owner { color: var(--text-faint); font-size: .78rem; margin-left: .15rem; }

.grid-cell { position: relative; cursor: help; }

/* Outcome of the real matchup, drawn as a left edge on each grid cell. */
.grid-cell.win { box-shadow: inset 3px 0 0 var(--accent-dark); }
.grid-cell.loss { box-shadow: inset 3px 0 0 #b91c1c; }
.grid-cell.tie { box-shadow: inset 3px 0 0 var(--warn); }
.grid-cell.bye { box-shadow: inset 3px 0 0 var(--text-faint); }

.swap-cell { cursor: help; }
.swap-cell.self { outline: 2px solid var(--accent); outline-offset: -2px; font-weight: 700; }

.subsection { margin-top: 2rem; }
.subsection-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: .8rem;
  flex-wrap: wrap;
}
.subsection-head h3 { margin: 0; font-size: 1.05rem; }
.week-select { width: auto; min-width: 9rem; }

/* ---------------------------------------------------------------- cards */

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: .85rem;
  margin-top: 1.25rem;
}

.card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: .85rem 1rem;
  display: flex;
  flex-direction: column;
  gap: .2rem;
}

.card-label { font-size: .72rem; text-transform: uppercase; letter-spacing: .07em; color: var(--text-faint); }
.card-value { font-size: 1.02rem; }
.card-sub { font-size: .82rem; color: var(--text-dim); font-family: var(--mono); }

/* ---------------------------------------------------------------- chart */

.chart-box {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.chart-box svg { width: 100%; height: auto; display: block; }
.grid-line { stroke: #22303e; stroke-width: 1; }
.grid-line.faint { stroke: #1a242f; }
.axis-label { fill: var(--text-faint); font-size: 11px; font-family: var(--mono); }
.axis-title { fill: var(--text-faint); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; }

.series { transition: opacity .15s; }
svg.dimmed .series { opacity: .12; }
svg.dimmed .series.active { opacity: 1; }

.legend { display: flex; flex-wrap: wrap; gap: .3rem .5rem; margin-top: .9rem; }

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: transparent;
  border: 1px solid var(--border-soft);
  color: var(--text-dim);
  font-size: .8rem;
  font-weight: 500;
  padding: .25rem .6rem;
  border-radius: 999px;
}

.legend-item:hover { color: var(--text); border-color: var(--border); }
.swatch { width: 9px; height: 9px; border-radius: 50%; }

/* --------------------------------------------------------------- footer */

.site-footer { margin: 3.5rem 0 2.5rem; color: var(--text-faint); font-size: .83rem; }
.site-footer p { margin: 0; }

@media (max-width: 640px) {
  .shell { width: calc(100% - 1.75rem); }
  .masthead { padding-top: 2rem; }
  .actions { width: 100%; }
  .actions button { flex: 1 1 auto; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}