:root { color-scheme: dark; --archive-ink: #f4f3ed; --archive-muted: #c4ccda; --archive-gold: #edca87; --archive-dark: #08172d; --archive-line: #ebc98578; --archive-font: 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', sans-serif; }
* { box-sizing: border-box; }
html { scrollbar-width: thin; scrollbar-color: #b99860 #0b182c; }
body { margin: 0; background: var(--archive-dark); color: var(--archive-ink); font-family: var(--archive-font); -webkit-font-smoothing: antialiased; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }
button:focus-visible, a:focus-visible, [tabindex]:focus-visible { outline: 2px solid var(--archive-gold); outline-offset: 6px; }
[hidden] { display: none !important; }
.skip-timeline { position: fixed; left: 20px; top: -100px; z-index: 20; padding: 14px 22px; color: #101d31; background: #ffe2a4; }
.skip-timeline:focus { top: 20px; }
.archive-scroll { position: relative; }
.archive-scene { position: sticky; top: 0; min-height: 700px; height: 100svh; overflow: hidden; isolation: isolate; }
.archive-backdrop, .archive-shade { position: absolute; inset: 0; z-index: -2; pointer-events: none; }
.archive-backdrop { background: #08182e url('../assets/activities/main-building-night.webp') center 54% / cover no-repeat; }
.archive-shade { z-index: -1; background: linear-gradient(90deg, #051329ed 0%, #06152bbc 27%, #07162b4d 56%, #06132933 100%), linear-gradient(0deg, #041123bd, transparent 38%, #06142b26 74%, #06142b80); }
.archive-header { position: absolute; top: 0; left: 0; right: 0; height: 108px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 0 clamp(24px, 4.2vw, 84px); border-bottom: 1px solid #f1e7d512; }
.archive-back { display: inline-flex; gap: 12px; align-items: center; min-height: 44px; font-size: 13px; color: #e1e5ed; }
.archive-back > span { font-size: 22px; transition: transform .2s; }
.archive-back:hover > span { transform: translateX(-4px); }
.archive-brand { display: inline-flex; gap: 11px; align-items: center; font-size: 18px; letter-spacing: .06em; }
.archive-brand img { border-radius: 9px; }
.archive-brand b { font-weight: 500; font-size: 15px; }
.archive-section-label { color: #d0d8e5; font-size: 10px; letter-spacing: .2em; }
.archive-composition { position: absolute; inset: 130px 0 106px; display: grid; grid-template-columns: minmax(290px, 32%) minmax(0, 1fr); align-items: stretch; }
.archive-intro { position: relative; z-index: 2; align-self: center; padding: 0 24px 20px clamp(24px, 4.2vw, 84px); }
.archive-eyebrow { display: block; font-size: 11px; letter-spacing: .19em; color: var(--archive-gold); margin: 0 0 22px; }
.archive-intro h1 { margin: 0; font-size: clamp(36px, 3.8vw, 70px); line-height: 1.32; letter-spacing: -.025em; font-weight: 700; }
.archive-intro em { font-style: normal; color: var(--archive-gold); }
.archive-range { margin: 27px 0 22px; font-size: 14px; letter-spacing: .075em; font-variant-numeric: tabular-nums; color: #f1d8ab; }
.archive-range span { margin: 0 9px; opacity: .5; }
.archive-description { font-size: 12px; line-height: 2.05; color: #d0d6df; margin: 0; }
.archive-caption { display: block; margin-top: 38px; padding-top: 15px; max-width: 235px; border-top: 1px solid #f0d5a44d; font-size: 10px; letter-spacing: .3em; color: #d6dbe2; }
.archive-viewport { min-width: 0; position: relative; overflow: clip; align-self: stretch; outline-offset: -5px !important; mask-image: linear-gradient(to right, transparent, #000 64px, #000 calc(100% - 48px), transparent); cursor: grab; }
.archive-viewport.is-dragging, .archive-viewport.is-dragging * { cursor: grabbing; user-select: none; }
.archive-track { display: flex; gap: 56px; height: 100%; list-style: none; margin: 0; padding: 0 64px; width: max-content; min-width: 100%; position: relative; will-change: transform; }
.archive-track::before { content: ''; position: absolute; top: 52%; left: 0; right: 0; height: 1px; background: var(--archive-line); }
.archive-era { width: 330px; flex: 0 0 auto; position: relative; }
.archive-era::before { content: ''; position: absolute; top: calc(52% - 5px); left: 24px; width: 9px; height: 9px; background: var(--archive-gold); transform: rotate(45deg); box-shadow: 0 0 12px rgba(237, 202, 135, 0.5); z-index: 2; }
.archive-era::after { content: ''; position: absolute; top: calc(52% - 20px); left: 28px; width: 1px; height: 20px; background: linear-gradient(to top, var(--archive-gold), rgba(235, 201, 133, 0.2)); }
.archive-era__date { position: absolute; top: calc(52% + 14px); left: 20px; margin: 0; line-height: 1; font-family: Arial, var(--archive-font); font-size: 24px; letter-spacing: -.03em; font-weight: 700; color: var(--archive-gold); }
.archive-era__date small { display: block; margin: 10px 0 0 3px; font: 400 10px/1.4 var(--archive-font); color: #d4d9e0; letter-spacing: .12em; }
.archive-card { position: absolute; bottom: calc(48% + 20px); left: 0; width: 310px; height: 300px; display: flex; flex-direction: column; border: 1px solid rgba(237, 202, 135, 0.32); border-radius: 12px; background: rgba(10, 24, 42, 0.94); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); color: var(--archive-ink); padding: 0; text-align: left; box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.08); overflow: hidden; transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.28s, box-shadow 0.28s; cursor: pointer; }
.archive-card:hover { border-color: #ffd88a; background: rgba(14, 32, 56, 0.98); box-shadow: 0 22px 50px rgba(0, 0, 0, 0.65), 0 0 22px rgba(237, 202, 135, 0.25); transform: translateY(-4px); }
.archive-card__cover-box { position: relative; width: 100%; height: 145px; overflow: hidden; background: #06111f; flex-shrink: 0; }
.archive-card__cover { display: block; width: 100%; height: 100%; object-fit: cover; object-position: top center; transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1); }
.archive-card:hover .archive-card__cover { transform: scale(1.05); }
.archive-card__cover-shade { position: absolute; inset: 0; pointer-events: none; background: linear-gradient(180deg, rgba(6, 17, 31, 0.1) 40%, rgba(10, 24, 42, 0.95) 100%); }
.archive-card__chips { position: absolute; top: 10px; left: 10px; right: 10px; display: flex; justify-content: space-between; align-items: center; pointer-events: none; z-index: 2; }
.archive-chip { display: inline-flex; align-items: center; font-size: 11px; font-weight: 600; letter-spacing: 0.03em; padding: 3px 8px; border-radius: 5px; backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.archive-chip--wangzhe { background: rgba(255, 184, 48, 0.3); color: #ffd666; border: 1px solid rgba(255, 214, 102, 0.6); box-shadow: 0 2px 8px rgba(0,0,0,0.4); }
.archive-chip--valorant { background: rgba(255, 70, 85, 0.3); color: #ff8e9a; border: 1px solid rgba(255, 133, 145, 0.6); box-shadow: 0 2px 8px rgba(0,0,0,0.4); }
.archive-chip--cs2 { background: rgba(255, 159, 69, 0.3); color: #ffbe76; border: 1px solid rgba(255, 190, 118, 0.6); box-shadow: 0 2px 8px rgba(0,0,0,0.4); }
.archive-chip--lol { background: rgba(0, 194, 168, 0.3); color: #68eedd; border: 1px solid rgba(0, 194, 168, 0.6); }
.archive-chip--overwatch { background: rgba(250, 156, 30, 0.3); color: #ffbc66; border: 1px solid rgba(250, 156, 30, 0.6); }
.archive-chip--identityv { background: rgba(168, 85, 247, 0.3); color: #c084fc; border: 1px solid rgba(168, 85, 247, 0.6); }
.archive-chip--club { background: rgba(0, 194, 168, 0.25); color: #68eedd; border: 1px solid rgba(0, 194, 168, 0.5); }
.archive-chip--date { background: rgba(4, 12, 22, 0.78); color: #d6e0ed; border: 1px solid rgba(255, 255, 255, 0.18); font-family: Arial, var(--archive-font); font-variant-numeric: tabular-nums; font-size: 10px; letter-spacing: 0.05em; }
.archive-card__body { padding: 14px 16px 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; min-height: 0; text-align: left; }
.archive-card__index { display: block; color: var(--archive-gold); font-size: 10px; letter-spacing: .2em; font-weight: 500; opacity: 0.85; }
.archive-card__title { font-size: 17px; line-height: 1.35; letter-spacing: .01em; margin: 0; font-weight: 600; color: #f4f3ed; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 1; overflow: hidden; }
.archive-card__desc { margin: 0; font-size: 12px; color: var(--archive-muted); line-height: 1.6; display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden; }
.archive-card__status { display: flex; align-items: center; gap: 6px; font-size: 11px; letter-spacing: .05em; color: var(--archive-gold); margin-top: auto; padding-top: 4px; font-weight: 500; }
.archive-card__status::before { content: ''; display: inline-block; width: 5px; height: 5px; background: var(--archive-gold); border-radius: 50%; box-shadow: 0 0 6px var(--archive-gold); }
.archive-era--below .archive-card { bottom: auto; top: calc(52% + 20px); }
.archive-era--below .archive-card:hover { transform: translateY(4px); }
.archive-era--below .archive-era__date { top: auto; bottom: calc(48% + 14px); }
.archive-era--below::after { top: 52%; height: 20px; background: linear-gradient(to bottom, var(--archive-gold), rgba(235, 201, 133, 0.2)); }
.archive-year { width: 230px; }
.archive-year::before { width: 12px; height: 12px; top: calc(52% - 6px); }
.archive-year::after { display: none; }
.archive-year__label { position: absolute; bottom: calc(48% + 28px); left: 15px; margin: 0; font: 800 clamp(72px, 6.5vw, 100px)/1 Arial, var(--archive-font); letter-spacing: -.07em; color: var(--archive-gold); text-shadow: 0 0 20px rgba(237, 202, 135, 0.2); }
.archive-year__label small { display: block; margin: 14px 0 0 4px; font: 500 11px/1.5 var(--archive-font); letter-spacing: .12em; color: #d4d9e0; }
.archive-year__note { position: absolute; top: calc(52% + 24px); left: 18px; margin: 0; font-size: 12px; letter-spacing: .08em; color: var(--archive-gold); opacity: 0.85; }
.archive-footer { position: absolute; bottom: 22px; left: 0; right: 0; padding: 0 clamp(24px, 4.2vw, 84px); display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 55px; }
.archive-scroll-hint { display: flex; align-items: center; gap: 12px; font-size: 11px; letter-spacing: .08em; color: #c2cbd6; }
.archive-scroll-hint > span:first-child { font-size: 23px; color: var(--archive-gold); }
.archive-years { display: flex; align-items: center; gap: clamp(12px, 3vw, 48px); }
.archive-years button { color: #bfc9d5; background: none; border: none; padding: 12px 4px; min-height: 44px; font-size: 14px; position: relative; font-variant-numeric: tabular-nums; }
.archive-years button::after { content: ''; position: absolute; left: 0; right: 0; bottom: 4px; height: 2px; background: transparent; }
.archive-years button[aria-current="true"] { color: var(--archive-gold); }
.archive-years button[aria-current="true"]::after { background: var(--archive-gold); }
.archive-arrows { display: flex; gap: 10px; }
.archive-arrows button { border: 1px solid #dfcfab66; border-radius: 50%; width: 44px; height: 44px; color: var(--archive-gold); background: #0c1c3159; font-size: 20px; transition: background .2s; }
.archive-arrows button:hover { background: #e6c68022; }
.archive-arrows button:disabled { opacity: .3; cursor: default; }
.archive-progress { position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: #fae7c219; }
.archive-progress span { display: block; height: 100%; width: 100%; background: var(--archive-gold); transform: scaleX(0); transform-origin: left; }
.archive-status { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.archive-loading { padding: 50px; color: var(--archive-muted); }
.activity-detail { width: min(680px, calc(100% - 32px)); max-height: calc(100svh - 48px); overflow-y: auto; border: 1px solid #b79a6366; border-radius: 16px; padding: 40px; color: #f4f0e6; background: #101f33; }
.activity-detail::backdrop { background: #030d1de0; backdrop-filter: blur(8px); }
.activity-detail__close { position: absolute; top: 9px; right: 12px; min-width: 44px; min-height: 44px; font-size: 26px; border: 0; background: none; color: inherit; }
.activity-detail__date { font-size: 12px; color: var(--archive-gold); letter-spacing: .1em; }
.activity-detail h2 { font-size: 28px; line-height: 1.5; }
.activity-detail img { width: 100%; height: auto; border-radius: 5px; }
.activity-detail__copy { white-space: pre-line; line-height: 1.9; color: #cbd4df; }
.detail-open { overflow: hidden; }
.activity-detail__media { margin: 20px 0 0; }
.activity-detail__media img { display: block; max-height: 52svh; object-fit: contain; background: #06101d; }
.activity-detail__media figcaption { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; font-size: 11px; line-height: 1.7; color: var(--archive-muted); margin-top: 12px; }
.activity-detail__media figcaption a { color: var(--archive-gold); }
.activity-gallery { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.activity-gallery__thumb { width: 90px; height: 64px; border: 1px solid #516078; padding: 3px; border-radius: 5px; background: #06101d; }
.activity-gallery__thumb[aria-pressed="true"] { border-color: var(--archive-gold); box-shadow: 0 0 0 1px var(--archive-gold); }
.activity-gallery__thumb img { display: block; width: 100%; height: 100%; object-fit: contain; }
.activity-matchup { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 18px; padding: 20px 16px; border: 1px solid #edca874d; background: #071326; border-radius: 8px; text-align: center; }
.activity-matchup strong { font-size: 16px; line-height: 1.6; }
.activity-matchup > span { font-size: 22px; font-weight: 800; color: var(--archive-gold); }
.archive-noscript { position: fixed; inset: 20%; background: #101f33; padding: 40px; z-index: 10; line-height: 2; }
.archive-current { color-scheme: light; --archive-ink: #16453e; --archive-muted: #4e6f65; --archive-gold: #086e59; --archive-dark: #e8f7ef; --archive-line: #166e594d; }
.archive-current .archive-backdrop { background: #dbeef2 url('../assets/activities/main-building-day-v1.webp') center 54% / cover no-repeat; }
.archive-current .archive-shade { background: linear-gradient(90deg, #f3fff4f2, #edfbefb0 32%, #edfbef45 68%, #edfbef20), linear-gradient(180deg, #f4fff95c, transparent 45%, #e8f7ef55); }
.archive-current .archive-header { border-color: #2769581c; }
.archive-current .archive-back, .archive-current .archive-section-label, .archive-current .archive-description, .archive-current .archive-caption, .archive-current .archive-range, .archive-current .archive-scroll-hint, .archive-current .archive-era__date small, .archive-current .archive-years button { color: #416258; }
.archive-current .archive-card { background: #f6fff8f0; border-color: #8dbbab; box-shadow: 0 15px 40px #517c6610; }
.archive-current .archive-card:hover { background: #edf9f1; }
.archive-current .archive-event h3, .archive-current .archive-event p, .archive-current .archive-card__index, .archive-current .archive-card__status { text-shadow: none; }
.archive-current .archive-card__status { color: #53796a; }
.archive-current .archive-years button[aria-current="true"] { color: var(--archive-gold); }
.archive-current .archive-arrows button { background: #ffffff66; border-color: #7fac9a; }
.archive-current .archive-progress { background: #125e4c22; }
@media (min-width: 801px) and (min-height: 700px) {
  .archive-static .archive-scroll { height: auto !important; }
  .archive-static .archive-scene { position: relative; height: auto; min-height: 100svh; padding: 140px 5vw 120px; }
  .archive-static .archive-composition { position: static; grid-template-columns: 28% minmax(0, 1fr); gap: 45px; }
  .archive-static .archive-intro { align-self: start; padding-left: 0; }
  .archive-static .archive-viewport { overflow: visible; mask-image: none; cursor: auto; }
  .archive-static .archive-track { display: grid; width: 100%; height: auto; padding: 0 0 0 30px; gap: 70px; transform: none !important; }
  .archive-static .archive-track::before { top: 0; left: 0; bottom: 0; right: auto; width: 1px; height: auto; }
  .archive-static .archive-era { width: 100%; }
  .archive-static .archive-era::before { left: -34px; top: 28px; }
  .archive-static .archive-era::after { display: none; }
  .archive-static .archive-era__date, .archive-static .archive-era--below .archive-era__date { position: static; font-size: 35px; margin-bottom: 23px; }
  .archive-static .archive-card, .archive-static .archive-era--below .archive-card { position: static; height: auto; max-height: none; }
  .archive-static .archive-year__label, .archive-static .archive-year__note { position: static; }
  .archive-static .archive-year__note { margin-top: 24px; }
  .archive-static .archive-card__cover { height: 190px; flex: none; }
  .archive-static .archive-card { max-width: 380px; }
  .archive-static .archive-card--portrait { width: min(100%, 300px); }
  .archive-static .archive-card--portrait .archive-card__cover { height: 240px; }
}
@media (max-width: 800px), (max-height: 699px) {
  .archive-scroll { height: auto !important; }
  .archive-scene { position: relative; height: auto; min-height: 100svh; overflow: clip; padding-bottom: 160px; }
  .archive-backdrop { position: fixed; background-position: 54% center; }
  .archive-shade { position: fixed; background: linear-gradient(180deg, #06142c8f, #05132775 40%, #051327df), linear-gradient(90deg, #07172c70, transparent); }
  .archive-header { position: relative; height: 84px; padding: 0 22px; gap: 12px; }
  .archive-section-label { display: none; }
  .archive-brand { font-size: 14px; gap: 8px; }
  .archive-brand b { font-size: 12px; }
  .archive-brand img { width: 27px; height: 27px; }
  .archive-back { font-size: 12px; gap: 8px; }
  .archive-composition { position: relative; inset: auto; display: block; }
  .archive-intro { padding: 55px 28px 50px; }
  .archive-intro h1 { font-size: clamp(37px, 7vw, 55px); }
  .archive-eyebrow { margin-bottom: 19px; }
  .archive-range { margin: 23px 0 18px; }
  .archive-description { font-size: 12px; }
  .archive-caption { display: none; }
  .archive-viewport { overflow: visible; margin: 0 25px 0 31px; mask-image: none; cursor: auto; }
  .archive-track { display: grid; height: auto; width: 100%; min-width: 0; padding: 0 0 0 26px; gap: 54px; transform: none !important; will-change: auto; }
  .archive-track::before { top: 25px; left: 0; bottom: 0; right: auto; width: 1px; height: auto; }
  .archive-era { width: 100%; }
  .archive-era::before { left: -30px; top: 27px; }
  .archive-era::after { display: none; }
  .archive-era__date, .archive-era--below .archive-era__date { position: static; font-size: 35px; margin: 0 0 22px; }
  .archive-era__date small { font-size: 10px; letter-spacing: .12em; margin-top: 11px; }
  .archive-card, .archive-era--below .archive-card { position: static; width: 100%; max-width: 360px; height: auto; min-height: 0; background: rgba(10, 24, 42, 0.94); border-radius: 12px; margin-bottom: 8px; }
  .archive-card__cover-box { height: 180px; }
  .archive-era__date, .archive-era--below .archive-era__date { font-size: 26px; }
  .archive-year__label, .archive-year__note { position: static; }
  .archive-year__label { font-size: 78px; }
  .archive-year__label small { margin-left: 0; }
  .archive-year__note { margin-top: 20px; }
  .archive-footer { position: fixed; z-index: 3; padding: 10px 20px max(12px, env(safe-area-inset-bottom)); bottom: 0; background: #061429ed; border-top: 1px solid #f5dfb224; min-height: 70px; }
  .archive-scroll-hint { display: none; }
  .archive-years { gap: 19px; }
  .archive-years button { font-size: 13px; }
  .archive-arrows { gap: 6px; }
  .archive-arrows button { width: 40px; height: 40px; }
  .archive-progress { position: fixed; z-index: 5; bottom: 0; }
  .archive-current .archive-footer { background: #edfbf2f5; border-color: #286b5928; }
  .archive-current .archive-era .archive-card { background: #f6fff8f0; }
  .activity-detail { padding: 32px 24px; }
}
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; } }
@media (min-width: 801px) and (min-height: 700px) and (max-height: 840px) {
  .archive-header { height: 80px; }
  .archive-composition { inset: 96px 0 84px; }
  .archive-card { height: 255px; }
  .archive-card__cover-box { height: 120px; }
  .archive-card__title { font-size: 16px; margin: 0; }
  .archive-card__desc { display: -webkit-box; -webkit-line-clamp: 1; font-size: 11px; }
  .archive-card__body { padding: 10px 14px 12px; gap: 4px; }
  .archive-era__date { font-size: 22px; }
}

.archive-card--game-valorant .archive-card__cover { object-position: left 20%; }
.archive-card--game-cs2 .archive-card__cover { object-position: center 30%; }

/* Daylight chapter shares the archive layout; color overrides stay isolated. */
.archive-current .archive-eyebrow { color: #086e59; }
.archive-current .archive-card { box-shadow: 0 16px 36px #164b3526, inset 0 1px 0 #fff; }
.archive-current .archive-card:hover { border-color: #168970; box-shadow: 0 20px 45px #164b3533; }
.archive-current .archive-card__cover-box { background: #dcebe2; }
.archive-current .archive-card__cover-shade { background: linear-gradient(180deg, transparent 55%, #f6fff8e0); }
.archive-current .archive-card__title { color: #16453e; -webkit-line-clamp: 2; }
.archive-current .archive-card__index { color: #086e59; }
.archive-current .archive-chip--wangzhe { background: #fff0c9f0; color: #694409; border-color: #e3bd62; box-shadow: 0 2px 8px #2a442322; }
.archive-current .archive-chip--valorant { background: #ffe5ecf0; color: #972446; border-color: #e89aad; box-shadow: 0 2px 8px #2a442322; }
.archive-current .archive-chip--date { background: #f4fff9ed; color: #19594c; border-color: #92c1b0; }
.archive-current .archive-year__label { text-shadow: none; }
.archive-current .archive-year__label small { color: #416258; }
.archive-current .activity-detail { color: #16453e; background: #f5fff9; border-color: #96bca9; }
.archive-current .activity-detail::backdrop { background: #15392dc9; }
.archive-current .activity-detail__copy { color: #395f53; }
.archive-current .activity-detail__media img, .archive-current .activity-gallery__thumb { background: #e1eee6; }
.archive-current .activity-gallery__thumb { border-color: #91b4a3; }
@media (max-width: 800px), (max-height: 699px) {
  .archive-current .archive-shade { background: linear-gradient(180deg, #f3fff4ed, #effbf4a3 35%, #e5f4ebba), linear-gradient(90deg, #edfbef80, transparent); }
}

/* Header Chapter Switcher */
.archive-switch { display: inline-flex; align-items: center; gap: 8px; padding: 7px 16px; border-radius: 999px; font-size: 12px; letter-spacing: .04em; font-weight: 500; color: var(--archive-gold); background: rgba(237, 202, 135, 0.12); border: 1px solid rgba(237, 202, 135, 0.35); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); transition: all 0.25s ease; text-decoration: none; }
.archive-switch:hover { background: rgba(237, 202, 135, 0.25); border-color: var(--archive-gold); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(237, 202, 135, 0.2); }
.archive-switch__arrow { font-size: 13px; transition: transform 0.2s; }
.archive-switch:hover .archive-switch__arrow { transform: translate(2px, -2px); }
.archive-current .archive-switch { color: #086e59; background: rgba(8, 110, 89, 0.1); border-color: rgba(8, 110, 89, 0.3); }
.archive-current .archive-switch:hover { background: rgba(8, 110, 89, 0.2); border-color: #086e59; box-shadow: 0 4px 16px rgba(8, 110, 89, 0.15); }

/* Dialog Action Bar */
.activity-detail__actions { margin: 18px 0 14px; }
.activity-action-bar { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; padding: 12px 18px; background: rgba(14, 34, 58, 0.85); border: 1px solid rgba(237, 202, 135, 0.38); border-radius: 10px; }
.activity-action-info { display: flex; align-items: center; gap: 10px; }
.activity-action-tag { font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 4px; background: rgba(237, 202, 135, 0.2); color: var(--archive-gold); }
.activity-action-number { font-size: 14px; font-family: Arial, var(--archive-font); letter-spacing: .04em; color: #fdfcfa; font-variant-numeric: tabular-nums; }
.activity-action-btn { display: inline-flex; align-items: center; gap: 6px; padding: 7px 15px; border-radius: 8px; font-size: 12px; font-weight: 600; color: #08172d; background: var(--archive-gold); border: none; cursor: pointer; transition: all 0.2s ease; box-shadow: 0 3px 10px rgba(237, 202, 135, 0.25); }
.activity-action-btn:hover { background: #ffe3a8; transform: translateY(-1px); box-shadow: 0 5px 14px rgba(237, 202, 135, 0.4); }
.activity-action-btn.is-copied { background: #10b981; color: #fff; box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4); }
.archive-current .activity-action-bar { background: #eef8f2; border-color: #8dbbab; }
.archive-current .activity-action-tag { background: rgba(8, 110, 89, 0.15); color: #086e59; }
.archive-current .activity-action-number { color: #16453e; }
.archive-current .activity-action-btn { background: #086e59; color: #ffffff; box-shadow: 0 3px 10px rgba(8, 110, 89, 0.25); }
.archive-current .activity-action-btn:hover { background: #0ca183; }

/* Mobile Footer Bridge */
.archive-footer-bridge { display: none; }
@media (max-width: 800px), (max-height: 699px) {
  .archive-switch { padding: 5px 11px; font-size: 11px; gap: 4px; }
  .archive-switch__text { font-size: 11px; }
  .archive-footer-bridge { display: inline-flex; align-items: center; gap: 4px; font-size: 11px; font-weight: 500; color: var(--archive-gold); padding: 6px 12px; border-radius: 999px; background: rgba(237, 202, 135, 0.12); border: 1px solid rgba(237, 202, 135, 0.3); text-decoration: none; }
  .archive-current .archive-footer-bridge { color: #086e59; background: rgba(8, 110, 89, 0.1); border-color: rgba(8, 110, 89, 0.3); }
}