html { scroll-behavior: smooth; }
:root {
  color-scheme: dark;
  --bg: #0a0c12;
  --ink: #ffffff;
  --paper: #fbf9f3;        /* editorial cream for contrasts */
  --fg: #f1f5fb;
  --muted: #8a96a8;
  --muted-2: #5b6475;
  --card: #141a25;
  --card-2: #0f1520;
  --hero-bg: #0a0c12;
  --accent: #5ac8fa;
  --live: #ff2d2d;
  --border: #1f2838;
  --border-soft: #171e2b;
  --rule: #222b3b;
  --gold: #e8c872;
  --green: #2dd36f;
  --yellow: #f1c40f;
  --red: #ff4d4f;
  /* per-sport accents */
  --f1: #e10600;
  --cricket: #dc143c;
  --barca: #a50044;
  --bills: #00338d;
  --fever: #e03a3e;
  --wwe: #fcb131;
  /* typography */
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  --serif: "Iowan Old Style", "Palatino", "Palatino Linotype", "Book Antiqua", Georgia, serif;
  --mono: ui-monospace, "SF Mono", Menlo, Monaco, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg);
  font-family: var(--sans); -webkit-font-smoothing: antialiased;
  background-image: radial-gradient(1200px 600px at 50% -250px, rgba(90,200,250,.06), transparent 60%); }

/* ---------- Pit Wall frame ---------- */
.pw { max-width: 1100px; margin: 0 auto; padding: 1.5rem 1.25rem 3rem; }

/* Masthead */
.masthead { padding-bottom: 1rem; border-bottom: 1px solid var(--rule); }
.masthead-top { display: flex; justify-content: space-between; align-items: center;
  font-family: var(--sans); font-size: .7rem; text-transform: uppercase; letter-spacing: .2em;
  color: var(--muted); margin-bottom: .75rem; }
.edition-label { color: var(--muted); }
.masthead-title { font-family: var(--serif); font-size: clamp(2.4rem, 8vw, 4.5rem); margin: 0;
  letter-spacing: -.02em; font-weight: 600; color: var(--fg); line-height: 1.02; }
.masthead-title em { font-style: italic; color: var(--f1); font-weight: 600; }

.live-edition-pill { display: inline-block; margin-top: .9rem; padding: .3rem .8rem;
  border: 1px solid var(--live); color: var(--live); font-size: .7rem;
  text-transform: uppercase; letter-spacing: .2em; font-weight: 700; border-radius: 2px;
  animation: pulse 1.5s ease-in-out infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .5; } }

nav { display: flex; align-items: center; gap: .75rem; }
nav a { color: var(--fg); text-decoration: none; font-size: .7rem; letter-spacing: .15em;
  text-transform: uppercase; font-weight: 600; padding: .25rem .4rem; }
nav a:hover { color: var(--accent); }
.chip { background: transparent; color: var(--fg); border: 1px solid var(--border);
  border-radius: 999px; padding: .3rem .7rem; font-size: .65rem; letter-spacing: .15em;
  text-transform: uppercase; font-weight: 600; cursor: pointer; font-family: inherit; }
.chip:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Editorial hero block ---------- */
.edit-hero { margin: 1.5rem 0 2rem; background: linear-gradient(180deg, #06080d 0%, #0d111a 100%);
  border: 1px solid var(--rule); border-radius: 4px; padding: 1.5rem;
  position: relative; overflow: hidden; box-shadow: 0 20px 40px -30px var(--hero-accent, #000); }
.edit-hero::before { content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 5px;
  background: var(--hero-accent, var(--accent)); }
.edit-hero-top { display: flex; justify-content: space-between; align-items: center;
  gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; font-size: .65rem;
  letter-spacing: .2em; text-transform: uppercase; color: var(--muted); font-weight: 600; }
.edit-hero-pill { display: inline-block; padding: .25rem .7rem; border: 1px solid var(--hero-accent, var(--accent));
  color: var(--hero-accent, var(--accent)); border-radius: 2px; margin-right: .6rem; }
.edit-hero-pill.live { background: var(--live); border-color: var(--live); color: #fff; }
.edit-hero-kicker { color: var(--muted); }
.edit-hero-grid { display: grid; grid-template-columns: 1fr auto; gap: 1.5rem; align-items: end; }
.edit-hero-title { font-family: var(--serif); font-size: clamp(1.6rem, 5vw, 2.6rem); line-height: 1.05;
  letter-spacing: -.01em; margin: 0 0 .3rem; font-weight: 600; }
.edit-hero-title em { font-style: italic; color: var(--hero-accent, var(--accent)); }
.edit-hero-sub { color: var(--muted); font-size: .85rem; margin: 0 0 .3rem; }
.edit-hero-meta { color: var(--muted); font-size: .65rem; letter-spacing: .15em; text-transform: uppercase;
  margin-top: .75rem; display: flex; gap: 1.25rem; flex-wrap: wrap; }
.edit-hero-meta b { color: var(--fg); font-weight: 600; margin-left: .3rem; }

.live-batters { margin-top: .75rem; padding: .5rem .75rem; background: rgba(255, 45, 45, .08);
  border: 1px solid rgba(255, 45, 45, .25); border-radius: 4px; font-size: .85rem; }
.live-batter b { color: var(--live); font-family: var(--mono); }
.live-batter .muted { color: var(--muted); font-size: .75rem; }
.live-last-play { margin-top: .5rem; padding: .4rem .6rem; background: var(--card); border-left: 2px solid var(--live);
  font-size: .8rem; color: var(--muted); font-style: italic; }

.cd-label { font-size: .6rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--muted); margin-bottom: .4rem; text-align: right; }
.cd-blocks { display: flex; gap: .4rem; }
.cd-box { background: var(--card); border: 1px solid var(--rule); border-radius: 2px;
  min-width: 56px; padding: .4rem .6rem; text-align: center; }
.cd-num { font-family: var(--mono); font-size: 1.4rem; font-weight: 700; color: var(--fg); letter-spacing: .02em; }
.cd-lbl { color: var(--muted); font-size: .55rem; letter-spacing: .18em; text-transform: uppercase; margin-top: .15rem; font-weight: 600; }

/* ---------- Section headers ---------- */
.section-head { display: flex; justify-content: space-between; align-items: baseline;
  margin: 2rem 0 .75rem; padding-bottom: .4rem; border-bottom: 1px solid var(--rule); }
.section-title { font-family: var(--serif); font-size: 1.4rem; font-weight: 600; margin: 0;
  letter-spacing: -.01em; color: var(--fg); }
.section-title em { font-style: italic; color: var(--accent); }
.section-note { color: var(--muted); font-size: .65rem; text-transform: uppercase; letter-spacing: .15em; font-weight: 600; }

/* ---------- Season calendar strip ---------- */
/* Two rows of 4 on phones, single row of 8 on wider screens — always filled. */
.cal-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: .5rem; }
@media (min-width: 720px) { .cal-row { grid-template-columns: repeat(8, 1fr); } }
.cal-chip { background: var(--card); border: 1px solid var(--border);
  border-left: 4px solid var(--chip-accent-l, var(--chip-accent, var(--accent)));
  border-right: 4px solid var(--chip-accent-r, var(--chip-accent-l, var(--chip-accent, var(--accent))));
  padding: .6rem .7rem; border-radius: 2px; text-decoration: none; color: inherit;
  display: block; transition: transform .15s ease, border-color .15s ease; }
.cal-chip:hover { border-color: var(--chip-accent, var(--accent)); transform: translateY(-1px); }
.cal-chip.next { background: var(--chip-accent, var(--accent)); color: #000; border-color: var(--chip-accent, var(--accent)); }
.cal-chip.next .cal-kicker, .cal-chip.next .cal-sub { color: #000; }
.cal-chip.past { opacity: .45; }
.cal-chip.past .cal-kicker { color: var(--muted-2); }
.cal-chip.cancelled { opacity: .4; border-left-color: var(--live) !important; text-decoration: line-through; }
.cal-chip.cancelled .cal-kicker { color: var(--live); text-decoration: none; }
.cal-kicker { font-size: .6rem; letter-spacing: .15em; text-transform: uppercase; color: var(--muted); font-weight: 700; margin-bottom: .15rem; }
.cal-title { font-family: var(--serif); font-size: 1rem; font-weight: 600; line-height: 1.15; }
.cal-sub { font-size: .7rem; color: var(--muted); margin-top: .15rem; letter-spacing: .04em; }

/* ---------- Per-sport editorial row ---------- */
.sport-row-link { text-decoration: none; color: inherit; display: block; }
.sport-row-link:hover .sport-row-head h2 { color: var(--sr-accent); }
.sport-row-link:hover .event-block, .sport-row-link:hover .standings-box { border-color: var(--sr-accent); }
.sport-row { margin: 2.5rem 0 0; }
.sport-row-head { display: flex; align-items: baseline; gap: .6rem; border-bottom: 1px solid var(--rule);
  padding-bottom: .5rem; margin-bottom: 1rem; }
.sport-row-head h2 { font-family: var(--serif); font-size: 1.6rem; margin: 0; letter-spacing: -.01em;
  font-weight: 600; color: var(--sr-accent, var(--fg)); }
.sport-row-head h2 em { font-style: italic; }
.sport-row-head .sport-row-note { margin-left: auto; color: var(--muted); font-size: .65rem;
  letter-spacing: .15em; text-transform: uppercase; font-weight: 600; }
.sport-row-head a { color: var(--sr-accent, var(--accent)); text-decoration: none; font-size: .7rem;
  letter-spacing: .15em; text-transform: uppercase; font-weight: 600; }
.sport-row-body { display: grid; grid-template-columns: 1.3fr 1fr; gap: 1.5rem; align-items: start; }
.sport-row[data-sport="f1"]      { --sr-accent: var(--f1); }
.sport-row[data-sport="cricket"] { --sr-accent: var(--cricket); }
.sport-row[data-team="barca"]    { --sr-accent: var(--barca); }
.sport-row[data-team="bills"]    { --sr-accent: var(--bills); }
.sport-row[data-team="fever"]    { --sr-accent: var(--fever); }
.sport-row[data-sport="wwe"]     { --sr-accent: var(--wwe); }
.sport-row[data-sport="epl"]     { --sr-accent: #37003c; }
.card[data-sport="epl"] { --card-accent: #37003c; }

.event-block { background: var(--card-2); border: 1px solid var(--rule); border-radius: 4px; padding: 1rem 1.1rem; }
.event-block .up-next { font-size: .6rem; letter-spacing: .2em; text-transform: uppercase;
  color: var(--sr-accent); font-weight: 700; }
.event-block.live .up-next { color: var(--live); }
.event-block h3 { font-family: var(--serif); font-size: 1.4rem; font-weight: 600; margin: .35rem 0 .15rem; line-height: 1.1; letter-spacing: -.005em; }
.event-block h3 em { font-style: italic; color: var(--sr-accent); }
.event-block .ev-sub { color: var(--muted); font-size: .85rem; margin: 0 0 .6rem; }
.event-block .mini-cd { display: flex; gap: .35rem; margin-top: .4rem; }
.event-block .mini-cd .cd-box { min-width: 50px; padding: .4rem .5rem; }
.event-block .mini-cd .cd-num { font-size: 1.05rem; }
.event-block .mini-cd .cd-lbl { font-size: .55rem; }
.event-block .ev-last { color: var(--muted); font-size: .8rem; margin-top: .75rem; padding-top: .5rem; border-top: 1px dashed var(--border-soft); }
.ev-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: .5rem; margin-top: .75rem; padding-top: .6rem; border-top: 1px solid var(--border-soft); }
.ev-stat { display: flex; flex-direction: column; }
.ev-stat-k { color: var(--muted); font-size: .55rem; letter-spacing: .15em; text-transform: uppercase; font-weight: 700; margin-bottom: .1rem; }
.ev-stat-v { color: var(--sr-accent, var(--fg)); font-size: .85rem; font-weight: 600; font-family: var(--mono); }
.event-block .ev-last b { color: var(--fg); font-weight: 500; }

/* Standings tables */
.standings-box { background: var(--card-2); border: 1px solid var(--rule); border-radius: 4px; padding: .5rem .9rem .7rem; }
.standings-box .st-head { display: grid; grid-template-columns: 1.8rem 1fr auto auto; gap: .5rem;
  font-size: .55rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted);
  padding: .5rem 0 .35rem; border-bottom: 1px solid var(--rule); font-weight: 700; }
.st-row { display: grid; grid-template-columns: 1.8rem 1fr auto auto; gap: .5rem; align-items: center;
  padding: .45rem .25rem; border-bottom: 1px solid var(--border-soft); font-size: .85rem;
  border-left: 3px solid var(--row-zone, transparent); margin-left: -.9rem; padding-left: .9rem; }
.st-row:last-child { border-bottom: none; }
.st-row .st-pos { color: var(--muted); font-family: var(--mono); font-size: .8rem; font-weight: 600; }
.st-row .st-team { color: var(--fg); font-weight: 500; display: inline-flex; align-items: center; gap: .5rem; }
.team-dot { display: inline-block; width: 10px; height: 10px; border-radius: 2px; flex-shrink: 0; box-shadow: 0 0 0 1px var(--border) inset; }
.team-logo { width: 20px; height: 20px; object-fit: contain; vertical-align: middle; margin-right: .35rem; flex-shrink: 0; }
.cal-chip .team-dot { width: 8px; height: 8px; vertical-align: middle; margin-right: .25rem; }
.st-row .st-rec { color: var(--muted); font-size: .7rem; text-align: right; font-family: var(--mono); }
.st-row .st-pts { color: var(--fg); font-weight: 700; text-align: right; min-width: 2.2rem; font-family: var(--mono); }
.st-row.me { background: rgba(255,255,255,.04); }
.st-row.me .st-team { color: var(--sr-accent); font-weight: 700; }
.st-row.me .st-pts { color: var(--sr-accent); }
/* zone indicators */
.st-row.zone-champ   { --row-zone: var(--green); }
.st-row.zone-qualify { --row-zone: var(--gold); }
.st-row.zone-mid     { --row-zone: var(--muted-2); }
.st-row.zone-drop    { --row-zone: var(--red); }

/* ---------- Headline stripe for WWE/news ---------- */
.headline-stack .headline { border-bottom: 1px solid var(--border-soft); padding: .55rem 0; }
.headline-stack .headline:last-child { border-bottom: none; }
.headline-stack .headline a { color: var(--fg); text-decoration: none; }
.headline-stack .headline a:hover { color: var(--sr-accent); }
.headline-stack .headline-meta { color: var(--muted); font-size: .6rem; letter-spacing: .15em;
  text-transform: uppercase; font-weight: 600; margin-bottom: .15rem; }
.headline-stack .headline h4 { margin: .1rem 0; font-family: var(--serif); font-size: .95rem; font-weight: 500; line-height: 1.3; }

.err { color: var(--live); font-size: .8rem; }
.none-upcoming { color: var(--muted); font-size: .9rem; font-style: italic; padding: .5rem 0; }
.score { font-family: var(--mono); font-weight: 600; }

footer { color: var(--muted); font-size: .65rem; margin-top: 3rem; text-align: center;
  border-top: 1px solid var(--rule); padding-top: 1rem; letter-spacing: .2em; text-transform: uppercase; font-weight: 600; }

/* Spoiler */
body.spoilers .score { filter: blur(6px); cursor: pointer; transition: filter .2s; user-select: none; }
body.spoilers .score:hover { filter: blur(2px); }
body.spoilers .score.revealed { filter: none; }

/* Today page rows (keep compact list view) */
.row { display: grid; grid-template-columns: 2rem 5rem 1fr auto; gap: .5rem;
  padding: .65rem .75rem; border-bottom: 1px solid var(--border-soft); align-items: center; font-size: .9rem; }
.row:last-child { border-bottom: none; }
.row-sport { color: var(--muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; }
.row-ico { font-size: 1.1rem; }
.row-date { color: var(--muted); font-size: .75rem; text-align: right; }
.live-section h2 { color: var(--live); }

/* News page */
.filters { display: flex; flex-wrap: wrap; gap: .4rem; margin: 0 0 1.25rem; }
.filters button { background: var(--card); color: var(--fg); border: 1px solid var(--border);
  border-radius: 999px; padding: .35rem .8rem; font-size: .85rem; cursor: pointer; font-family: inherit; }
.filters button.on { background: var(--accent); color: #000; border-color: var(--accent); font-weight: 600; }
.filters button:hover { border-color: var(--accent); }
.news-item { padding: .85rem 0; border-bottom: 1px solid var(--border-soft); }
.news-item .meta { color: var(--muted); font-size: .65rem; text-transform: uppercase; letter-spacing: .1em; margin-bottom: .25rem; font-weight: 500; }
.news-item .sport-tag { color: var(--accent); margin-right: .3rem; }
.news-item a { color: var(--fg); text-decoration: none; }
.news-item a:hover h3 { color: var(--accent); }
.news-item h3 { margin: .2rem 0 .25rem; font-size: 1rem; font-weight: 500; line-height: 1.3; font-family: var(--serif); }

/* Responsive */
@media (max-width: 720px) {
  .pw { padding: 1rem; }
  .masthead-title { font-size: 2.6rem; }
  .edit-hero-grid { grid-template-columns: 1fr; }
  .cd-label { text-align: left; }
  .sport-row-body { grid-template-columns: 1fr; gap: .75rem; }
  .cd-box { min-width: 46px; padding: .3rem .4rem; }
  .cd-num { font-size: 1.1rem; }
}

/* Task 3: Pulsing "Live" border when any match in a sport is live. */
@keyframes livePulseBorder {
  0%, 100% { border-color: var(--live); box-shadow: 0 0 16px -6px var(--live); }
  50%      { border-color: transparent; box-shadow: 0 0 0 0 transparent; }
}
.sport-row.has-live .event-block { animation: livePulseBorder 1.6s ease-in-out infinite; border-color: var(--live); }
.sport-row.has-live .sport-row-head h2 { color: var(--live); }
.card.has-live { animation: livePulseBorder 1.6s ease-in-out infinite; }
.card.has-live::before { background: var(--live); }

/* Task 4: smaller F1 calendar chip font on mobile */
@media (max-width: 600px) {
  body[data-sport-key="f1"] .cal-chip { padding: .4rem .45rem; }
  body[data-sport-key="f1"] .cal-chip .cal-kicker { font-size: .5rem; letter-spacing: .08em; }
  body[data-sport-key="f1"] .cal-chip .cal-title { font-size: .8rem; }
  body[data-sport-key="f1"] .cal-chip .cal-sub { font-size: .6rem; }
}

.hero-link { text-decoration: none; color: inherit; display: block; }
.hero-link .edit-hero { transition: transform .15s ease, box-shadow .15s ease; }
.hero-link:hover .edit-hero { transform: translateY(-1px); box-shadow: 0 24px 60px -28px var(--hero-accent, var(--accent)); }

/* Task 9: PBKS form dots (W/L/NR) */
.form-dots { display: inline-flex; gap: .3rem; margin-left: .4rem; vertical-align: middle; }
.form-dots .fd { display: inline-flex; align-items: center; justify-content: center;
  width: 20px; height: 20px; border-radius: 999px; font-size: .6rem; font-weight: 700;
  color: #fff; letter-spacing: .02em; font-family: var(--mono); }
.form-dots .fd-w { background: #2dd36f; }
.form-dots .fd-l { background: #ff4d4f; }
.form-dots .fd-nr { background: #8a96a8; font-size: .5rem; }
.form-dots .fd-\? { background: var(--border); color: var(--muted); }

/* Toggle switch (settings page) */
.switch { position: relative; display: inline-block; width: 44px; height: 24px; vertical-align: middle; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch .slider { position: absolute; inset: 0; background: var(--card); border: 1px solid var(--border); border-radius: 999px; cursor: pointer; transition: .2s; }
.switch .slider::before { content: ""; position: absolute; height: 18px; width: 18px; left: 2px; top: 2px; background: var(--muted); border-radius: 50%; transition: .2s; }
.switch input:checked + .slider { background: var(--live); border-color: var(--live); }
.switch input:checked + .slider::before { transform: translateX(20px); background: #fff; }

/* Task 38: a11y — skip link + visible focus states */
.skip-link { position: absolute; left: -9999px; top: -9999px; background: var(--accent); color: #000;
  padding: .5rem 1rem; border-radius: 4px; font-weight: 600; }
.skip-link:focus { left: 1rem; top: 1rem; z-index: 9999; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }
button:focus-visible, .chip:focus-visible { outline-color: var(--live); }

/* Task 40: loading skeletons with shimmer — replaces bare "loading…" text */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.skeleton { display: inline-block; height: 1em; width: 6em; vertical-align: middle;
  background: linear-gradient(90deg, var(--border) 0%, var(--border-soft) 50%, var(--border) 100%);
  background-size: 200% 100%; animation: shimmer 1.8s linear infinite; border-radius: 4px; }
.skeleton-block { display: block; height: 1.2em; margin: .3rem 0; width: 100%;
  background: linear-gradient(90deg, var(--border) 0%, var(--border-soft) 50%, var(--border) 100%);
  background-size: 200% 100%; animation: shimmer 1.8s linear infinite; border-radius: 4px; }
.skeleton-row { display: flex; gap: .5rem; margin: .4rem 0; }
.skeleton-row .skeleton-block { flex: 1; }

@media print {
  body { background: #fff !important; color: #000 !important; }
  .card, .edit-hero, .standings-box, .event-block { background: #fff !important; border: 1px solid #ccc !important; color: #000 !important; box-shadow: none !important; }
  .chip, .sport-row-link { display: none !important; }
  nav, footer { display: none !important; }
  .masthead-title, .section-title, .event-title, h2 { color: #000 !important; }
  .edit-hero::before, .card::before { background: #000 !important; }
  .live-edition-pill, .up-next { color: #000 !important; border-color: #000 !important; }
  .team-logo { filter: grayscale(1); }
}

/* Task 52: live/stale data freshness badge in the header */
.freshness-dot { display: inline-flex; align-items: center; gap: .3rem; margin-left: .75rem;
  color: var(--muted); font-size: .65rem; letter-spacing: .1em; text-transform: uppercase; font-weight: 600; }
.freshness-dot::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.freshness-dot.stale::before { background: var(--yellow); }
.freshness-dot.dead::before { background: var(--live); }

/* Task 53: scroll-to-top button */
.scroll-top { position: fixed; bottom: 1.5rem; right: 1.5rem; width: 44px; height: 44px;
  border-radius: 50%; background: var(--card); color: var(--fg); border: 1px solid var(--border);
  font-size: 1.2rem; cursor: pointer; z-index: 999; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 20px rgba(0,0,0,.4); transition: transform .15s, border-color .15s; }
.scroll-top:hover { border-color: var(--accent); transform: translateY(-2px); }

/* Task 55: respect prefers-reduced-motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Task 57: ensure tappable elements are >= 44px on small screens */
@media (max-width: 600px) {
  nav a, .chip, .filters button, .switch, .cal-chip { min-height: 44px; display: inline-flex; align-items: center; }
  .sport-row-link { min-height: 44px; display: block; }
}

/* Task 61: live banner */
#live-banner { position: sticky; top: 0; z-index: 500; display: block; background: var(--live);
  color: #fff; padding: .35rem .75rem; text-align: center; font-size: .75rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; text-decoration: none;
  animation: pulseBg 2s ease-in-out infinite; }
@keyframes pulseBg { 0%, 100% { filter: brightness(1); } 50% { filter: brightness(1.15); } }