:root {
  color-scheme: dark;
  --ink: #f4f1ff;
  --muted: #aaa6bc;
  --paper: #09090f;
  --line: #2b273d;
  --accent: #c8a1ff;
  background: var(--paper);
}
body {
  min-height: 100vh;
  background: radial-gradient(ellipse at 80% 0%, #35163380, transparent 55%),
              radial-gradient(ellipse at 0% 25%, #20143b80, transparent 50%), #09090f;
}
main { max-width: 1220px; }
.masthead { border-color: var(--line); }
.wordmark { color: #fff; }
nav { display: flex; gap: 24px; margin-left: auto; font-size: 14px; }
nav a { color: var(--muted); text-decoration: none; }
nav a[aria-current] { color: white; text-decoration: underline; text-decoration-color: #b178ff; text-underline-offset: 8px; }
.birthday-heading { display: flex; justify-content: space-between; align-items: center; gap: 24px; padding: 34px 0 16px; }
.birthday-heading h1 { font-size: clamp(32px, 4.7vw, 56px); font-weight: 850; letter-spacing: -1.8px; line-height: 1.1; }
.intro { margin: 12px 0 0; color: var(--muted); font-size: 14px; line-height: 1.6; }
.date-stamp { display: grid; gap: 3px; text-align: center; min-width: 90px; padding: 12px 16px; border-left: 1px solid #6c457c; }
.date-stamp span { font-size: 12px; letter-spacing: 1.5px; color: var(--accent); }
.date-stamp strong { font-size: 42px; line-height: 1; font-weight: 750; }
.ranking-bar { display: flex; justify-content: flex-end; margin-bottom: 14px; }
.outline { color: #ded8ed; background: #15121f; border: 1px solid #4a3b61; padding: 8px 15px; font-size: 14px; }
.outline:hover { background: #2b1e3b; filter: none; }
#birthday-status { font-size: 14px; color: var(--muted); line-height: 1.6; }
#birthday-status.error { color: #ffabae; }
#birthday-status:empty { display: none; }
.portrait-strip { overflow-x: auto; padding: 2px 2px 12px; scrollbar-color: #755191 #14111c; }
.portrait-strip:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.ranking { display: grid; grid-template-columns: repeat(5, minmax(130px, 1fr)); gap: 16px; padding: 0; margin: 0; list-style: none; }
.character { min-width: 0; }
.portrait { display: block; width: 100%; height: auto; aspect-ratio: 3 / 4; object-fit: cover; object-position: 50% 22%; background: #201a2c; border: 1px solid #574164; border-radius: 5px; box-shadow: 0 12px 26px #0008; }
.character:first-child .portrait { border-color: #c997ff; box-shadow: 0 0 0 1px #c997ff30, 0 10px 32px #53266b45; }
.portrait-fallback { display: grid; place-items: center; font-size: 48px; color: var(--accent); font-weight: 800; }
.character-body { padding: 15px 3px 6px; text-align: center; }
.character h2 { font-size: 17px; font-weight: 650; line-height: 1.4; letter-spacing: -.2px; overflow-wrap: anywhere; }
.character h2 a { text-decoration: none; color: #f4f1ff; }
.character h2 a:hover { color: var(--accent); text-decoration: underline; }
footer { border-color: var(--line); margin-top: 26px; color: #aaa6bc; font-size: 12px; }
@media (max-width: 650px) {
  main { padding: 0 18px; }
  .masthead { gap: 12px; }
  .wordmark { font-size: 24px; }
  nav { gap: 14px; }
  .birthday-heading { gap: 12px; padding-top: 26px; }
  .birthday-heading h1 { font-size: 34px; letter-spacing: -1px; }
  .date-stamp { min-width: 76px; padding: 8px; }
  .date-stamp strong { font-size: 36px; }
  .date-stamp span { font-size: 12px; letter-spacing: .5px; }
  .ranking { gap: 12px; grid-template-columns: repeat(5, minmax(140px, 1fr)); }
  .character h2 { font-size: 16px; }
}