/* ===== DevsTopup – dark purple gaming theme (+ light) ===== */
:root, [data-theme="dark"] {
    --bg: #0e0720; --bg2: #170b33; --card: #1d1040; --card2: #26175a;
    --text: #f3ecff; --muted: #a99cc9; --accent: #9b5cff; --accent2: #ff4fa3;
    --border: rgba(155, 92, 255, .28); --shadow: 0 10px 30px rgba(0, 0, 0, .45);
    --ok: #35d49a; --warn: #ffb547; --bad: #ff5c7a;
}
[data-theme="light"] {
    --bg: #f6f1ff; --bg2: #ece3ff; --card: #ffffff; --card2: #f1e9ff;
    --text: #241447; --muted: #6d5f8f; --accent: #7c3aed; --accent2: #e11d74;
    --border: rgba(124, 58, 237, .22); --shadow: 0 10px 26px rgba(80, 40, 160, .14);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0; min-height: 100vh; color: var(--text); background: var(--bg);
    font-family: 'Inter', 'Noto Sans Khmer', system-ui, -apple-system, 'Segoe UI', sans-serif;
    line-height: 1.5; overflow-x: hidden; transition: background .3s, color .3s;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
h1, h2, h3 { font-family: 'Rajdhani', 'Noto Sans Khmer', sans-serif; margin: 0 0 .4rem; letter-spacing: .3px; }
h1 { font-size: 1.8rem; } h2 { font-size: 1.3rem; }
.muted { color: var(--muted); } .small { font-size: .85rem; }
.container { width: 100%; max-width: 1100px; margin: 0 auto; padding: 0 14px; }
.container.narrow { max-width: 720px; }
main { padding-bottom: 90px; }

/* ----- animated background ----- */
.bg-orbs { position: fixed; inset: 0; z-index: -1; overflow: hidden; background: radial-gradient(1200px 600px at 50% -10%, var(--bg2), var(--bg)); }
.bg-orbs span { position: absolute; border-radius: 50%; filter: blur(80px); opacity: .35; animation: float 18s ease-in-out infinite; }
.bg-orbs span:nth-child(1) { width: 380px; height: 380px; background: var(--accent); top: -80px; left: -80px; }
.bg-orbs span:nth-child(2) { width: 320px; height: 320px; background: var(--accent2); bottom: -60px; right: -60px; animation-delay: -6s; }
.bg-orbs span:nth-child(3) { width: 260px; height: 260px; background: #3b82f6; top: 40%; left: 55%; animation-delay: -12s; opacity: .22; }
[data-theme="light"] .bg-orbs span { opacity: .18; }
@keyframes float { 0%,100% { transform: translate(0,0) scale(1); } 33% { transform: translate(60px,40px) scale(1.15); } 66% { transform: translate(-40px,70px) scale(.92); } }

/* ----- header ----- */
.topbar { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px); background: color-mix(in srgb, var(--bg) 78%, transparent); border-bottom: 1px solid var(--border); }
.bar { display: flex; align-items: center; gap: 12px; height: 58px; }
.brand { display: flex; align-items: center; gap: 8px; font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 1.35rem; }
.brand img { height: 32px; width: auto; }
.brand-mark { color: var(--accent2); animation: pulse 2.4s ease-in-out infinite; }
.nav { display: flex; gap: 14px; margin-left: 10px; flex: 1; }
.nav a { position: relative; padding: 4px 2px; color: var(--muted); font-weight: 600; font-size: .95rem; }
.nav a::after { content: ''; position: absolute; left: 0; bottom: -2px; height: 2px; width: 0; background: linear-gradient(90deg, var(--accent), var(--accent2)); transition: width .25s; }
.nav a:hover { color: var(--text); } .nav a:hover::after { width: 100%; }
.tools { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.langs { display: flex; border: 1px solid var(--border); border-radius: 999px; overflow: hidden; }
.langs a { padding: 4px 10px; font-size: .8rem; font-weight: 700; color: var(--muted); }
.langs a.on { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff; }
.icon-btn { width: 34px; height: 34px; border-radius: 50%; border: 1px solid var(--border); background: var(--card); color: var(--text); font-size: 1.1rem; cursor: pointer; transition: transform .4s; }
.icon-btn:hover { transform: rotate(180deg); }
@media (max-width: 520px) { .nav a { font-size: .8rem; } .brand-name { display: none; } }

/* ----- buttons (with ripple) ----- */
.btn { position: relative; overflow: hidden; display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 10px 20px; border: 0; border-radius: 12px; cursor: pointer;
    font: inherit; font-weight: 700; color: #fff; background: linear-gradient(135deg, var(--accent), var(--accent2)); box-shadow: 0 6px 18px rgba(155, 92, 255, .4); transition: transform .15s, box-shadow .2s, filter .2s; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(255, 79, 163, .35); }
.btn:active { transform: translateY(0) scale(.98); }
.btn[disabled] { filter: grayscale(.7) brightness(.8); cursor: not-allowed; box-shadow: none; transform: none; }
.btn-sm { padding: 6px 14px; font-size: .85rem; }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--accent); box-shadow: none; }
.btn-ghost:hover { background: rgba(155, 92, 255, .15); box-shadow: none; }
.ripple { position: absolute; border-radius: 50%; background: rgba(255,255,255,.45); transform: scale(0); animation: ripple .6s linear; pointer-events: none; }
@keyframes ripple { to { transform: scale(4); opacity: 0; } }

/* ----- reveal on scroll ----- */
.js .reveal { opacity: 0; transform: translateY(26px) scale(.98); transition: opacity .6s ease, transform .6s cubic-bezier(.2,.8,.2,1); transition-delay: var(--d, 0ms); }
.js .reveal.in { opacity: 1; transform: none; }

/* ----- flash / toast ----- */
.flash { margin: 12px 0; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--border); animation: drop .4s ease; }
.flash-error { background: rgba(255, 92, 122, .14); border-color: var(--bad); }
@keyframes drop { from { opacity: 0; transform: translateY(-10px); } }
.toasts { position: fixed; right: 12px; bottom: 90px; z-index: 100; display: grid; gap: 8px; }
.toast { padding: 10px 14px; border-radius: 12px; background: var(--card2); border: 1px solid var(--border); box-shadow: var(--shadow); animation: toastIn .35s ease; }
@keyframes toastIn { from { opacity: 0; transform: translateX(30px); } }

/* ----- hero slider ----- */
.hero { position: relative; margin-top: 14px; border-radius: 18px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--border); }
.slides { position: relative; aspect-ratio: 16/6; min-height: 150px; touch-action: pan-y; }
.slide { position: absolute; inset: 0; opacity: 0; transition: opacity .8s ease; display: flex; align-items: flex-end; }
.slide.active { opacity: 1; z-index: 1; }
.slide img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.slide.active img { animation: kenburns 9s ease-out forwards; }
@keyframes kenburns { from { transform: scale(1); } to { transform: scale(1.12); } }
.slide.g0 { background: linear-gradient(120deg, #5b21b6, #db2777); } .slide.g1 { background: linear-gradient(120deg, #1d4ed8, #7c3aed); }
.slide.g2 { background: linear-gradient(120deg, #0f766e, #6d28d9); } .slide.g3 { background: linear-gradient(120deg, #be123c, #7c3aed); }
.slide-text { position: relative; padding: 16px 18px; width: 100%; background: linear-gradient(0deg, rgba(0,0,0,.55), transparent); color: #fff; }
.slide-text h2 { margin: 0; font-size: 1.5rem; } .slide-text p { margin: 2px 0 8px; opacity: .92; }
.slide.active .slide-text > * { animation: textUp .7s ease both; } .slide.active .slide-text > *:nth-child(2) { animation-delay: .12s; } .slide.active .slide-text > *:nth-child(3) { animation-delay: .24s; }
@keyframes textUp { from { opacity: 0; transform: translateY(16px); } }
.dots { position: absolute; bottom: 8px; right: 12px; z-index: 3; display: flex; gap: 6px; }
.dots button { width: 8px; height: 8px; padding: 0; border-radius: 99px; border: 0; background: rgba(255,255,255,.5); cursor: pointer; transition: width .3s, background .3s; }
.dots button.on { width: 22px; background: #fff; }
@media (max-width: 600px) { .slides { aspect-ratio: 16/8; } .slide-text h2 { font-size: 1.1rem; } .slide-text p { font-size: .8rem; margin-bottom: 4px; } }

/* ----- search + chips ----- */
.search { display: flex; gap: 8px; margin: 16px 0 10px; }
.search input, .field-row input, input[type=email] { flex: 1; width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid var(--border); background: var(--card); color: var(--text); font: inherit; outline: none; transition: border-color .2s, box-shadow .2s; }
.search input:focus, .field-row input:focus, input[type=email]:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(155, 92, 255, .25); }
.chips { display: flex; gap: 8px; overflow-x: auto; padding: 4px 0 8px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chip { white-space: nowrap; padding: 6px 14px; border-radius: 999px; border: 1px solid var(--border); background: var(--card); font-weight: 600; font-size: .9rem; transition: all .2s; }
.chip:hover { transform: translateY(-2px); border-color: var(--accent); }
.chip.active { color: #fff; border-color: transparent; background: linear-gradient(135deg, var(--accent), var(--accent2)); }
.section-title { margin: 22px 0 12px; }

/* ----- game grid (3 portrait columns on phones) ----- */
.game-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
@media (min-width: 640px) { .game-grid { grid-template-columns: repeat(4, 1fr); gap: 14px; } }
@media (min-width: 960px) { .game-grid { grid-template-columns: repeat(6, 1fr); } }
.game-card { display: block; border-radius: 14px; overflow: hidden; background: var(--card); border: 1px solid var(--border); transition: transform .25s, box-shadow .25s, border-color .25s; }
.game-card:hover { transform: translateY(-6px) scale(1.03); box-shadow: 0 14px 30px rgba(155, 92, 255, .4); border-color: var(--accent); }
.thumb { position: relative; aspect-ratio: 3/4; overflow: hidden; }
.thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.game-card:hover .thumb img { transform: scale(1.1); }
.ph { width: 100%; height: 100%; display: grid; place-items: center; font-family: 'Rajdhani', sans-serif; font-weight: 700; font-size: 2.4rem; color: #fff; }
.ph.g0 { background: linear-gradient(160deg, #5b21b6, #db2777); } .ph.g1 { background: linear-gradient(160deg, #1d4ed8, #7c3aed); }
.ph.g2 { background: linear-gradient(160deg, #0f766e, #6d28d9); } .ph.g3 { background: linear-gradient(160deg, #be123c, #7c3aed); }
.ribbon { position: absolute; top: 8px; left: -2px; padding: 2px 10px 2px 8px; font-size: .68rem; font-weight: 800; color: #fff; border-radius: 0 8px 8px 0; box-shadow: 0 2px 8px rgba(0,0,0,.4); }
.ribbon.t0 { background: #e11d74; } .ribbon.t1 { background: #2563eb; } .ribbon.t2 { background: #16a34a; } .ribbon.t3 { background: #ea580c; } .ribbon.t4 { background: #7c3aed; }
.game-card .name { padding: 8px 6px; text-align: center; font-weight: 700; font-size: .82rem; background: linear-gradient(180deg, var(--card2), var(--card)); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ----- mini leaderboard / why us ----- */
.mini-top, .card { background: var(--card); border: 1px solid var(--border); border-radius: 16px;margin-top:15px; padding: 16px; box-shadow: var(--shadow); }
.mini-head { display: flex; justify-content: space-between; align-items: center; } .mini-head a { color: var(--accent2); font-weight: 700; }
.mini-row { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-top: 1px solid var(--border); }
.medal { font-size: 1.4rem; animation: pulse 2.6s ease-in-out infinite; } .mini-name { flex: 1; font-weight: 700; } .mini-total { color: var(--accent2); font-weight: 800; }
.why-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.why-card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 9px; transition: transform .25s, border-color .25s; }
.why-card:hover { transform: translateY(-5px); border-color: var(--accent2); }
.why-icon { font-size: 2rem; animation: bob 3s ease-in-out infinite; } .why-card h3 { margin-top: 6px; } .why-card p { margin: 0; color: var(--muted); }
@keyframes bob { 50% { transform: translateY(-6px); } } @keyframes pulse { 50% { transform: scale(1.12); opacity: .85; } }

/* ----- game details ----- */
.game-page { padding-top: 14px; }
.game-head { display: flex; gap: 14px; align-items: center; margin-bottom: 12px; }
.game-thumb { width: 78px; height: 78px; border-radius: 16px; overflow: hidden; flex: none; border: 2px solid var(--accent); box-shadow: 0 0 22px rgba(155, 92, 255, .5); }
.game-thumb img { width: 100%; height: 100%; object-fit: cover; } .game-thumb .ph { font-size: 1.8rem; }
.tag-pill { display: inline-block; padding: 2px 10px; border-radius: 99px; font-size: .75rem; font-weight: 800; background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #fff; }
.step { margin-bottom: 12px; } .step h2 { margin-bottom: 10px; }
.field-row { display: flex; gap: 8px; margin-bottom: 10px; }
.check-result { min-height: 24px; margin-top: 8px; font-weight: 600; }
.check-result.ok { color: var(--ok); animation: pop .4s ease; } .check-result.bad { color: var(--bad); }
@keyframes pop { from { transform: scale(.85); opacity: 0; } }
.pkg-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
@media (min-width: 640px) { .pkg-grid { grid-template-columns: repeat(4, 1fr); } }
.pkg { cursor: pointer; display: block; animation: pkgIn .5s ease both; animation-delay: var(--d, 0ms); }
@keyframes pkgIn { from { opacity: 0; transform: translateY(14px); } }
.pkg input { position: absolute; opacity: 0; pointer-events: none; }
.pkg-card { height: 100%; display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 10px 6px; text-align: center; border-radius: 14px; background: var(--card2); border: 2px solid transparent; transition: all .2s; }
.pkg:hover .pkg-card { transform: translateY(-3px); border-color: var(--border); }
.pkg input:checked + .pkg-card { border-color: var(--accent2); box-shadow: 0 0 0 3px rgba(255, 79, 163, .25), 0 8px 22px rgba(255, 79, 163, .3); transform: translateY(-3px) scale(1.03); }
.pkg input:disabled + .pkg-card { opacity: .4; cursor: not-allowed; }
.pkg-card img { width: 38px; height: 38px; object-fit: contain; } .pkg-emoji { font-size: 1.8rem; }
.pkg-name { font-size: .78rem; font-weight: 700; line-height: 1.2; }
.price-pill { margin-top: auto; padding: 2px 10px; border-radius: 99px; font-size: .8rem; font-weight: 800; color: #fff; background: linear-gradient(135deg, #ff4fa3, #ff7ab8); }
.buy-bar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; display: flex; align-items: center; gap: 12px; padding: 10px 14px calc(10px + env(safe-area-inset-bottom)); background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(14px); border-top: 1px solid var(--border); }
.buy-total { display: grid; line-height: 1.1; } .buy-total strong { font-size: 1.3rem; color: var(--accent2); }
.btn-buy { flex: 1; font-size: 1rem; padding: 12px; }
.btn-buy:not([disabled]) { animation: glow 2s ease-in-out infinite; }
@keyframes glow { 50% { box-shadow: 0 0 26px rgba(255, 79, 163, .65); } }
@media (min-width: 900px) { .buy-bar { max-width: 720px; margin: 0 auto; border-radius: 16px 16px 0 0; border: 1px solid var(--border); } }

/* ----- order status ----- */
.order-card { margin-top: 16px; }
.order-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.order-ref { font-family: 'Rajdhani', sans-serif; color: var(--muted); font-size: 1.1rem; margin-bottom: 8px; }
.badge { padding: 4px 12px; border-radius: 99px; font-weight: 800; font-size: .8rem; color: #fff; }
.s-Pending { background: var(--warn); color: #3b2300; animation: pulse 1.8s infinite; } .s-Paid { background: #3b82f6; animation: pulse 1.8s infinite; }
.s-Completed { background: var(--ok); color: #053b29; } .s-Cancelled, .s-Expired { background: var(--bad); }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 10px 0 14px; } .kv dt { color: var(--muted); } .kv dd { margin: 0; font-weight: 600; text-align: right; word-break: break-all; }
.pay-box { text-align: center; padding: 14px; margin-bottom: 10px; border-radius: 14px; background: var(--card2); border: 1px dashed var(--accent); }
.countdown { font-family: 'Rajdhani', sans-serif; font-size: 2.4rem; font-weight: 700; color: var(--accent2); letter-spacing: 2px; }
.empty { text-align: center; padding: 28px 16px; }

/* ----- leaderboard ----- */
.lb-head { text-align: center; margin: 18px 0 8px; } .lb-head h1 { font-size: 2rem; }
.reset-chip { display: inline-block; margin-top: 6px; padding: 6px 14px; border-radius: 99px; border: 1px solid var(--border); background: var(--card); }
.podium { display: flex; justify-content: center; align-items: flex-end; gap: 10px; margin: 20px 0 18px; }
.pod { flex: 1; max-width: 190px; text-align: center; }
.pod-medal { font-size: 2.2rem; animation: bob 2.6s ease-in-out infinite; } .pod.p1 .pod-medal { font-size: 3rem; filter: drop-shadow(0 0 14px gold); }
.pod-name { font-weight: 800; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; } .pod-total { color: var(--accent2); font-weight: 800; margin-bottom: 6px; }
.pod-bar { display: grid; place-items: center; border-radius: 14px 14px 0 0; font-family: 'Rajdhani', sans-serif; font-size: 2rem; font-weight: 700; color: #fff; transform-origin: bottom; animation: grow 1s cubic-bezier(.2,.8,.2,1) both; }
.pod.p1 .pod-bar { height: 130px; background: linear-gradient(180deg, #ffd34d, #c98a00); animation-delay: .3s; }
.pod.p2 .pod-bar { height: 96px; background: linear-gradient(180deg, #d5dbe6, #8b95a8); animation-delay: .15s; }
.pod.p3 .pod-bar { height: 72px; background: linear-gradient(180deg, #e0a070, #9a5b2c); animation-delay: .45s; }
@keyframes grow { from { transform: scaleY(0); } }
.lb-table { padding: 6px 12px; } .lb-row { display: grid; grid-template-columns: 56px 1fr 70px 90px; gap: 8px; align-items: center; padding: 10px 4px; border-top: 1px solid var(--border); }
.lb-th { color: var(--muted); font-size: .8rem; font-weight: 700; border-top: 0; } .rank { font-weight: 800; color: var(--accent); } .pname { font-weight: 700; overflow: hidden; text-overflow: ellipsis; } .amt { text-align: right; font-weight: 800; color: var(--accent2); }
.lb-row.slide-in { animation: rowIn .6s ease both; animation-delay: var(--d, 0ms); } @keyframes rowIn { from { opacity: 0; transform: translateX(-30px); } }
.lb-row:not(.lb-th):hover { background: rgba(155, 92, 255, .1); }

.footer { padding: 24px 0 100px; text-align: center; color: var(--muted); font-size: .85rem; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
    .js .reveal { opacity: 1; transform: none; }
}

/* =====================================================================
   Khmer text: taller lines so stacked vowels / subscripts never collide
   ===================================================================== */
html[lang="km"] body { font-family: 'Noto Sans Khmer', 'Inter', system-ui, sans-serif; line-height: 1.7; }
html[lang="km"] h1, html[lang="km"] h2, html[lang="km"] h3 { font-family: 'Noto Sans Khmer', 'Rajdhani', sans-serif; line-height: 1.55; letter-spacing: 0; }
html[lang="km"] .nav a, html[lang="km"] .chip, html[lang="km"] .btn, html[lang="km"] .pkg-name,
html[lang="km"] .game-card .name, html[lang="km"] .badge { line-height: 1.6; }
.nav a, .lang-pill, .admin-pill, .logout-link { white-space: nowrap; }

/* =====================================================================
   Phones: two-row header, smaller headings, tidy leaderboard
   ===================================================================== */
@media (max-width: 600px) {
    .bar { height: auto; flex-wrap: wrap; row-gap: 2px; padding-top: 8px; padding-bottom: 6px; gap: 8px; }
    .brand { order: 1; }
    .tools { order: 2; margin-left: auto; gap: 6px; }
    .nav { order: 3; flex: 1 0 100%; margin: 0; justify-content: center; gap: 22px; padding-top: 2px; border-top: 1px solid var(--border); }
    .nav a { font-size: .9rem; padding: 6px 2px; }
    .logout-link { font-size: .9rem; padding: 4px 2px; }

    h1 { font-size: 1.5rem; } h2 { font-size: 1.15rem; }
    .lb-head h1 { font-size: 1.55rem; line-height: 1.5; }
    .lb-head p { font-size: .92rem; padding: 0 6px; }
    .reset-chip { font-size: .9rem; padding: 6px 12px; }
    .podium { gap: 6px; }
    .pod-name { font-size: .88rem; } .pod-total { font-size: .88rem; }
    .pod-medal { font-size: 1.8rem; } .pod.p1 .pod-medal { font-size: 2.4rem; }
    .pod.p1 .pod-bar { height: 110px; } .pod.p2 .pod-bar { height: 82px; } .pod.p3 .pod-bar { height: 62px; }
    .lb-row { grid-template-columns: 42px 1fr 48px 72px; gap: 6px; font-size: .9rem; }
    .lb-th { font-size: .72rem; }
    .container { padding: 0 12px; }
    .card, .mini-top { padding: 14px; }
    .kv dd { text-align: right; }
}
@media (max-width: 380px) { .nav { gap: 14px; } .nav a { font-size: .82rem; } }

/* =====================================================================
   Animated background: drifting grid + rising twinkling stars + orbs
   ===================================================================== */
.bg-orbs { background:
    radial-gradient(900px 500px at 50% -10%, color-mix(in srgb, var(--accent) 22%, var(--bg2)), transparent 70%),
    radial-gradient(1200px 600px at 50% -10%, var(--bg2), var(--bg)); }
.bg-orbs::before, .bg-orbs::after { content: ''; position: absolute; pointer-events: none; }
/* soft neon grid sliding diagonally, faded towards the edges */
.bg-orbs::before { inset: 0;
    background-image: linear-gradient(rgba(155, 92, 255, .13) 1px, transparent 1px), linear-gradient(90deg, rgba(155, 92, 255, .13) 1px, transparent 1px);
    background-size: 46px 46px; animation: gridDrift 22s linear infinite;
    -webkit-mask-image: radial-gradient(ellipse at 50% 35%, #000 10%, transparent 72%); mask-image: radial-gradient(ellipse at 50% 35%, #000 10%, transparent 72%); }
/* tiny stars of three sizes that rise and twinkle */
.bg-orbs::after { inset: -200px 0 0 0;
    background-image:
        radial-gradient(1.6px 1.6px at 20px 30px, #fff, transparent 60%),
        radial-gradient(1.2px 1.2px at 110px 90px, #ffd6f0, transparent 60%),
        radial-gradient(2px 2px at 170px 40px, #cdb6ff, transparent 60%),
        radial-gradient(1.2px 1.2px at 60px 150px, #fff, transparent 60%),
        radial-gradient(1.6px 1.6px at 140px 170px, #b9d4ff, transparent 60%);
    background-size: 200px 200px; opacity: .55; animation: starsRise 60s linear infinite, twinkle 4s ease-in-out infinite; }
.bg-orbs span { will-change: transform; }
.bg-orbs span:nth-child(2) { animation-duration: 22s; }
.bg-orbs span:nth-child(3) { animation-duration: 26s; }
@keyframes gridDrift { to { background-position: 46px 46px; } }
@keyframes starsRise { to { background-position: 0 -200px; } }
@keyframes twinkle { 0%, 100% { opacity: .35; } 50% { opacity: .8; } }
[data-theme="light"] .bg-orbs::before { background-image: linear-gradient(rgba(124, 58, 237, .09) 1px, transparent 1px), linear-gradient(90deg, rgba(124, 58, 237, .09) 1px, transparent 1px); }
[data-theme="light"] .bg-orbs::after { opacity: 0; animation: none; }
@media (max-width: 600px) {
    .bg-orbs span { filter: blur(55px); }                 /* lighter on phone GPUs */
    .bg-orbs::before { background-size: 38px 38px; animation-duration: 26s; }
    @keyframes gridDrift { to { background-position: 38px 38px; } }
}
@media (prefers-reduced-motion: reduce) { .bg-orbs::before, .bg-orbs::after { animation: none; } }