:root {
  color-scheme: dark;
  --bg: #111114;
  --panel: #19191d;
  --line: rgba(255, 255, 255, .12);
  --text: #e6e4e6;
  --muted: #96939b;
  --red: #df464d;
  --song: #b37d90;
  --live: #d56a71;
  --discography: #b5a976;
  --animation: #92c3a4;
  --activity: #92b8da;
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background: radial-gradient(circle at 50% -15%, rgba(164, 39, 48, .17), transparent 45%), linear-gradient(180deg, #141419, #0f1013);
  font-family: "Noto Sans SC", sans-serif;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.018) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.018) 1px, transparent 1px);
  background-size: 52px 52px;
}
button, a { font: inherit; }
button { color: inherit; }

.upcoming-page { position: relative; width: min(1100px, calc(100% - 48px)); margin: 0 auto; padding: 48px 0 100px; }
.upcoming-header { margin-bottom: 30px; }
.back-nav { display: inline-block; margin-bottom: 38px; color: #99999f; font-size: 12px; text-decoration: none; transition: color .2s ease; }
.back-nav:hover { color: #ff656b; }
.file-id { margin: 0; color: #79777e; font: 12px/1.4 "Space Grotesk", sans-serif; letter-spacing: .12em; }
h1 { margin: 8px 0 4px; color: var(--red); font: 600 clamp(30px, 4vw, 44px)/1 "Cinzel", serif; letter-spacing: .08em; }
.subtitle { margin: 0; color: #aaa8a6; font: 12px/1.5 "Space Grotesk", sans-serif; letter-spacing: .18em; }

.upcoming-shell { border-top: 1px solid var(--line); }
.list-toolbar { display: grid; gap: 12px; padding: 18px 0; border-bottom: 1px solid var(--line); }
.type-filters { display: flex; flex-wrap: wrap; gap: 8px; }
.type-filters button {
  padding: 9px 13px;
  border: 1px solid #39393f;
  border-radius: 3px;
  background: rgba(25,25,29,.9);
  color: #aaa9ad;
  font: 11px/1 "Noto Sans SC", sans-serif;
  cursor: pointer;
  transition: color .2s ease, background .2s ease, border-color .2s ease;
}
.type-filters button:hover, .type-filters button:focus-visible { border-color: #9c5258; color: #f2eded; }
.type-filters button.active { border-color: rgba(227, 93, 99, .7); background: rgba(123, 43, 49, .24); color: #ffd4d6; }
.list-meta { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.today-label { color: #817f86; font: 10px "Space Grotesk", sans-serif; letter-spacing: 1.2px; white-space: nowrap; }
.list-count { color: #aaa5aa; font: 11px "Space Grotesk", sans-serif; letter-spacing: 1.5px; white-space: nowrap; }
.month-group { margin-top: 30px; }
.month-heading { display: flex; align-items: center; gap: 18px; margin: 0 0 12px; color: #b2aaae; font: 600 12px "Space Grotesk", sans-serif; letter-spacing: 2px; }
.month-heading::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, #584246, transparent); }
.month-rows { display: grid; gap: 8px; }
.upcoming-row {
  --event-color: #aaa;
  display: grid;
  grid-template-columns: 128px 150px minmax(0, 1fr) 130px 24px;
  align-items: center;
  gap: 18px;
  min-height: 82px;
  padding: 15px 18px 15px 20px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--event-color);
  border-radius: 4px;
  background: linear-gradient(100deg, color-mix(in srgb, var(--event-color) 8%, #19191d), #19191d 48%);
  color: var(--text);
  text-decoration: none;
  transition: border-color .2s ease, background .2s ease, transform .2s ease;
}
.upcoming-row:hover, .upcoming-row:focus-visible {
  transform: translateX(3px);
  border-color: color-mix(in srgb, var(--event-color) 70%, transparent);
  border-left-color: var(--event-color);
  background: linear-gradient(100deg, color-mix(in srgb, var(--event-color) 15%, #212126), #212126 55%);
  outline: none;
}
.upcoming-row[data-type="song"] { --event-color: var(--song); }
.upcoming-row[data-type="live"] { --event-color: var(--live); }
.upcoming-row[data-type="discography"] { --event-color: var(--discography); }
.upcoming-row[data-type="animation"] { --event-color: var(--animation); }
.upcoming-row[data-type="activity"] { --event-color: var(--activity); }
.row-date { display: flex; align-items: baseline; gap: 6px; flex-wrap: wrap; color: #aea9af; font: 11px "Space Grotesk", sans-serif; white-space: nowrap; }
.row-date strong { color: #efebed; font: 500 27px/1 "Space Grotesk", sans-serif; }
.row-date small { flex-basis: 100%; color: #918b91; font: 10px "Noto Sans SC", sans-serif; }
.row-type { justify-self: start; padding: 6px 9px; border: 1px solid color-mix(in srgb, var(--event-color) 52%, transparent); border-radius: 3px; background: color-mix(in srgb, var(--event-color) 10%, transparent); color: var(--event-color); font-size: 11px; white-space: nowrap; }
.row-title { min-width: 0; color: #e3dfe2; font-size: 14px; font-weight: 500; line-height: 1.55; overflow-wrap: anywhere; }
.row-countdown { justify-self: end; padding: 6px 10px; border: 1px solid rgba(222, 170, 109, .42); border-radius: 999px; background: rgba(126, 82, 39, .12); color: #e8c391; font: 600 11px "Noto Sans SC", sans-serif; white-space: nowrap; }
.row-countdown.is-today { border-color: rgba(226, 111, 119, .6); background: rgba(153, 58, 66, .15); color: #ffc7ca; }
.row-countdown.is-ongoing { border-color: rgba(146, 195, 164, .5); background: rgba(53, 109, 72, .13); color: #b5dfc1; }
.row-arrow { color: var(--event-color); font: 19px "Space Grotesk", sans-serif; text-align: right; opacity: .65; transition: opacity .2s ease, transform .2s ease; }
.upcoming-row:hover .row-arrow, .upcoming-row:focus-visible .row-arrow { opacity: 1; transform: translate(2px, -2px); }
.list-empty { margin: 30px 0 0; padding: 28px; border: 1px solid var(--line); background: var(--panel); color: var(--muted); font-size: 12px; }

@media (max-width: 680px) {
  .upcoming-page { width: calc(100% - 28px); padding-top: 28px; }
  .back-nav { margin-bottom: 25px; }
  .subtitle { font-size: 10px; letter-spacing: .12em; }
  .upcoming-row { grid-template-columns: 86px minmax(0, 1fr) 18px; grid-template-rows: auto auto auto; gap: 4px 11px; min-height: 84px; padding: 12px; }
  .row-date { grid-row: 1 / 4; gap: 2px; align-self: center; }
  .row-date strong { font-size: 23px; }
  .row-date small { white-space: normal; }
  .row-type { grid-column: 2; font-size: 10px; padding: 4px 6px; }
  .row-title { grid-column: 2; font-size: 12px; }
  .row-countdown { grid-column: 2; justify-self: start; padding: 3px 7px; font-size: 10px; }
  .row-arrow { grid-column: 3; grid-row: 1 / 4; align-self: center; font-size: 16px; }
}