/* ---------------------------------------------------------------------
   Tokens — grounded in the three tennis court surfaces (grass/clay/hard)
   rather than a generic brand palette. Surface color is an information
   carrier throughout: it tells you what kind of tennis you're looking at.
------------------------------------------------------------------------ */
:root {
  --court-grass: #1f5c3e;
  --court-grass-dark: #123826;
  --court-clay: #c1603a;
  --court-clay-dark: #8a4128;
  --court-hard: #2b5fa3;
  --court-hard-dark: #1d4176;
  --ball: #d8e84b;
  --ink: #16231c;
  --ink-soft: #46564c;
  --chalk: #faf9f4;
  --chalk-dim: #f0eee4;
  --line: #dfdccf;
  --card-bg: #ffffff;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(22, 35, 28, 0.06), 0 6px 20px rgba(22, 35, 28, 0.07);
  --font-display: "Oswald", "Arial Narrow", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eef1ec;
    --ink-soft: #b7c2ba;
    --chalk: #101a14;
    --chalk-dim: #0b120e;
    --line: #22301f;
    --card-bg: #16211a;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 6px 24px rgba(0, 0, 0, 0.35);
  }
}

* {
  box-sizing: border-box;
}

html {
  color-scheme: light dark;
}

body {
  margin: 0;
  background: var(--chalk);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
  display: block;
}

/* ---------------------------------------------------------------------
   Header — an "order of play" board: the sheet pinned up each morning at
   a tournament listing who plays when.
------------------------------------------------------------------------ */
.board-header {
  background: linear-gradient(160deg, var(--court-grass-dark), var(--court-grass) 70%);
  color: var(--chalk);
  padding: 2.75rem 1.5rem 2.25rem;
  position: relative;
  overflow: hidden;
}

.board-header::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(250, 249, 244, 0.05) 0,
    rgba(250, 249, 244, 0.05) 1px,
    transparent 1px,
    transparent 34px
  );
  pointer-events: none;
}

.board-header__inner {
  max-width: 72rem;
  margin: 0 auto;
  position: relative;
}

.eyebrow {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
  color: var(--ball);
  margin: 0 0 0.6rem;
}

.board-header h1 {
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  font-size: clamp(2rem, 5vw, 3.1rem);
  margin: 0 0 0.5rem;
}

.board-header p {
  margin: 0;
  max-width: 40rem;
  color: rgba(250, 249, 244, 0.82);
  font-size: 0.98rem;
}

.board-header__meta {
  margin-top: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: rgba(250, 249, 244, 0.7);
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.board-header__meta strong {
  color: var(--chalk);
  font-weight: 600;
}

/* ---------------------------------------------------------------------
   Filter tabs
------------------------------------------------------------------------ */
.filters {
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 0;
  display: flex;
  gap: 0.5rem;
}

.filters button {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid var(--line);
  background: var(--card-bg);
  color: var(--ink-soft);
  padding: 0.5rem 0.95rem;
  border-radius: 999px;
  cursor: pointer;
}

.filters button[aria-pressed="true"] {
  background: var(--court-grass);
  border-color: var(--court-grass);
  color: var(--chalk);
}

.filters button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--court-hard);
  outline-offset: 2px;
}

/* ---------------------------------------------------------------------
   Card grid
------------------------------------------------------------------------ */
.grid {
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.5rem 1.5rem 3.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.1rem;
}

.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border-top: 5px solid var(--surface-color, var(--ink-soft));
}

.card[data-has-match="false"] {
  opacity: 0.72;
}

.card__body {
  padding: 1.1rem 1.2rem 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  flex: 1;
}

.card__player {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.card__photo {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  /* Wikipedia infobox photos are usually tall portrait/action shots with the
     face near the top — a centered cover-crop tends to cut the head off. */
  object-position: 50% 15%;
  background: var(--chalk-dim);
  border: 1px solid var(--line);
  flex-shrink: 0;
}

.card__photo--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--ink-soft);
}

.card__name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: 0.01em;
}

.card__name a,
.card__vs a {
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 2px;
}

.card__tour {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-soft);
}

.card__surface {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--surface-color, var(--ink-soft));
  font-weight: 600;
}

.card__match {
  border-top: 1px dashed var(--line);
  padding-top: 0.8rem;
}

.card__tournament {
  /* Styled like the surface/broadcast chips elsewhere on the card — a tag reads
     as "metadata about the match", keeping it visually distinct from the vs-line
     headline below, which is the actual fact ("who"). */
  display: inline-block;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  font-size: 0.65rem;
  color: var(--ink-soft);
  background: var(--chalk-dim);
  border-radius: 4px;
  padding: 0.15rem 0.5rem;
  margin: 0 0 0.5rem;
}

.card__vs {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  margin: 0 0 0.7rem;
}

.card__logistics {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.card__time {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: var(--chalk-dim);
  border-radius: 6px;
  padding: 0.35rem 0.6rem;
  display: inline-block;
}

.card__empty {
  font-size: 0.88rem;
  color: var(--ink-soft);
  font-style: italic;
}

.chip {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.28rem 0.55rem;
  border-radius: 6px;
  background: var(--chalk-dim);
  border: 1px solid var(--line);
  color: var(--ink);
}

.card__error {
  font-size: 0.8rem;
  color: var(--court-clay);
}

/* ---------------------------------------------------------------------
   Footer
------------------------------------------------------------------------ */
.site-footer {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
  font-size: 0.78rem;
  color: var(--ink-soft);
  line-height: 1.6;
}

.site-footer a {
  text-decoration: underline;
  text-decoration-color: var(--line);
}

@media (max-width: 420px) {
  .board-header {
    padding: 2rem 1.1rem 1.75rem;
  }
  .grid {
    grid-template-columns: 1fr;
    padding: 1.25rem 1.1rem 2.5rem;
  }
  .filters {
    padding: 1.25rem 1.1rem 0;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .card {
    transition: transform 0.15s ease, box-shadow 0.15s ease;
  }
  .card:hover {
    transform: translateY(-2px);
  }
}