:root {
  --bg: #03040a;
  --glass: rgba(12, 14, 32, 0.74);
  --line: rgba(255, 255, 255, 0.09);
  --text: #eef0ff;
  --muted: rgba(230, 234, 255, 0.62);
  --gold: #ffd27a;
  --peach: #ffab70;
  --danger: #ff8a8a;
  --serif: 'Cormorant Garamond', Georgia, serif;
  --script: 'Dancing Script', cursive;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; background: var(--bg); color: var(--text); font: 15px/1.45 var(--sans); }
#sky { position: fixed; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; opacity: 0; transition: opacity 1.6s ease; }
body.ready #sky { opacity: 1; }
body.picking #sky { cursor: crosshair; }
body.hovering #sky { cursor: pointer; }
button { font: inherit; cursor: pointer; border: 0; border-radius: 999px; color: inherit; }
.primary { background: linear-gradient(135deg, var(--gold), var(--peach)); color: #1b1206; font-weight: 600; padding: 9px 18px; box-shadow: 0 6px 24px rgba(255, 171, 112, 0.25); }
.primary:hover { filter: brightness(1.07); }
.ghost { background: rgba(255, 255, 255, 0.07); border: 1px solid var(--line); padding: 9px 18px; }
.ghost:hover { background: rgba(255, 255, 255, 0.12); }
.small { padding: 7px 12px; font-size: 13px; }
.big { padding: 13px 26px; font-size: 16px; }
.hidden { display: none !important; }

.top button { white-space: nowrap; }
#placeBtn .short { display: none; }
.top { position: fixed; top: 0; left: 0; right: 0; display: flex; align-items: center; gap: 12px; padding: 14px 18px; z-index: 5;
  background: linear-gradient(to bottom, rgba(3, 4, 10, 0.75), transparent); }
.brand { cursor: pointer; display: flex; align-items: center; gap: 8px; font: 600 22px var(--serif); letter-spacing: 0.3px; white-space: nowrap; }
.logo { color: var(--gold); font-size: 20px; text-shadow: 0 0 12px rgba(255, 210, 122, 0.8); }
.count { color: var(--muted); font-size: 13px; white-space: nowrap; }
.search { margin-left: auto; }
.search input { width: 240px; background: rgba(255, 255, 255, 0.06); border: 1px solid var(--line); border-radius: 999px; padding: 8px 14px; color: var(--text); font: inherit; font-size: 14px; outline: none; }
.search input:focus { border-color: rgba(255, 210, 122, 0.5); }
.badge { position: fixed; top: 64px; left: 18px; z-index: 4; font-size: 11px; letter-spacing: 0.4px; text-transform: uppercase; color: var(--gold); background: rgba(255, 210, 122, 0.08); border: 1px solid rgba(255, 210, 122, 0.25); border-radius: 999px; padding: 3px 10px; }

.intro { position: fixed; left: 50%; bottom: max(64px, 9vh); transform: translateX(-50%); width: min(640px, calc(100% - 32px)); text-align: center; z-index: 4; transition: opacity 0.6s; animation: introIn 1.6s 0.4s ease both; }
@keyframes introIn { from { opacity: 0; transform: translate(-50%, 16px); } }
.intro::before { content: ''; position: absolute; inset: -40px -120px -30px; z-index: -1; background: radial-gradient(ellipse at 50% 60%, rgba(3, 4, 10, 0.78) 0%, rgba(3, 4, 10, 0.5) 40%, transparent 70%); pointer-events: none; }
.intro h1 { font: 500 clamp(34px, 5.2vw, 60px)/1.05 var(--serif); margin: 0 0 12px; text-shadow: 0 2px 30px rgba(0, 0, 0, 0.6); }
.intro p { color: var(--muted); font-size: 17px; margin: 0 auto 26px; max-width: 520px; text-shadow: 0 1px 12px rgba(0, 0, 0, 0.8); }
.intro .row { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.sample { display: inline-block; margin-top: 18px; color: var(--muted); font-size: 14px; }
.sample:hover { color: var(--gold); }

.hint { position: fixed; left: 50%; bottom: 44px; transform: translateX(-50%); font-size: 12.5px; color: var(--muted); z-index: 3; white-space: nowrap; pointer-events: none; }
body.has-intro .hint, body.panel-open .hint { opacity: 0; }
.hint { transition: opacity 0.6s; }
.disc { position: fixed; left: 0; right: 0; bottom: 8px; text-align: center; font-size: 11px; color: rgba(230, 234, 255, 0.4); z-index: 3; pointer-events: none; display: flex; flex-direction: column; gap: 1px; }
.disc .credit { font-size: 10px; opacity: 0.75; }

#labels { position: fixed; inset: 0; pointer-events: none; z-index: 2; }
.tip { position: fixed; z-index: 6; pointer-events: none; padding: 5px 10px; border-radius: 8px; background: var(--glass); border: 1px solid var(--line); font: 600 15px var(--serif); opacity: 0; transition: opacity 0.15s; backdrop-filter: blur(8px); }

.panel { position: fixed; top: 96px; right: 18px; width: 380px; max-height: calc(100% - 140px); overflow-y: auto; z-index: 5; padding: 22px; border-radius: 20px;
  background: var(--glass); border: 1px solid var(--line); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5); animation: rise 0.35s ease; }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } }
.panel h3 { margin: 0 0 6px; font: 600 26px/1.15 var(--serif); }
.panel .sub { color: var(--muted); font-size: 14px; margin: 0 0 16px; }
.panel .x { position: absolute; top: 14px; right: 14px; width: 30px; height: 30px; padding: 0; background: rgba(255, 255, 255, 0.07); font-size: 16px; line-height: 30px; }
.card-name { font: 600 34px/1.1 var(--serif); margin: 4px 0 2px; padding-right: 30px; }
.card-for { color: var(--gold); font-size: 13px; letter-spacing: 0.4px; text-transform: uppercase; }
.card-msg { font: italic 500 22px/1.35 var(--serif); margin: 16px 0; color: rgba(255, 255, 255, 0.92); }
.card-msg.reveal-anim span { opacity: 0; animation: fadeword 0.6s forwards; }
@keyframes fadeword { to { opacity: 1; } }
.panel.letter { left: 50%; right: auto; top: auto; bottom: max(70px, 8vh); transform: translateX(-50%); width: min(600px, calc(100% - 32px)); text-align: center; overflow: visible;
  background: none; border: 0; box-shadow: none; backdrop-filter: none; -webkit-backdrop-filter: none; animation: none; }
.panel.letter::before { content: ''; position: absolute; inset: -50px -90px -40px; z-index: -1; background: radial-gradient(ellipse at center, rgba(3, 4, 10, 0.7), transparent 70%); }
.panel.letter .x { top: -10px; right: 0; }
.panel.letter .card-for { letter-spacing: 2px; font-size: 12px; opacity: 0; animation: fadeword 1s 0.1s forwards; }
.panel.letter .card-name { font-size: clamp(40px, 6vw, 58px); padding: 0; opacity: 0; animation: fadeword 1.2s 0.3s forwards; text-shadow: 0 0 30px rgba(255, 126, 182, 0.35); }
.panel.letter .card-msg { font-size: clamp(22px, 3vw, 28px); margin: 14px 0 18px; }
.panel.letter .meta { align-items: center; opacity: 0; animation: fadeword 1s 2.4s forwards; }
.panel.letter .stack { flex-direction: row; justify-content: center; opacity: 0; animation: fadeword 1s 2.8s forwards; }
.panel.letter .stack button { width: auto; padding: 11px 22px; }
.meta { color: var(--muted); font-size: 13px; display: flex; flex-direction: column; gap: 3px; margin-bottom: 18px; }
.meta code { color: var(--text); font-size: 12.5px; }
.stack { display: flex; flex-direction: column; gap: 10px; }
.stack button { width: 100%; }
.row2 { display: flex; gap: 10px; }
.row2 > * { flex: 1; }

label.f { display: block; font-size: 12.5px; color: var(--muted); margin: 14px 0 6px; }
.f-head { display: flex; justify-content: space-between; }
input.t, textarea.t, select.t { width: 100%; background: rgba(255, 255, 255, 0.06); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; color: var(--text); font: inherit; outline: none; }
textarea.t { resize: none; height: 78px; font: italic 500 18px/1.3 var(--serif); }
input.t:focus, textarea.t:focus { border-color: rgba(255, 210, 122, 0.5); }
.swatches { display: grid; grid-template-columns: repeat(12, 1fr); gap: 6px; }
.sw { aspect-ratio: 1; border-radius: 50%; padding: 0; border: 2px solid transparent; box-shadow: 0 0 10px currentColor; }
.sw.on { border-color: #fff; }
.tiers { display: flex; flex-direction: column; gap: 8px; }
.tier { display: flex; align-items: center; gap: 12px; text-align: left; border-radius: 14px; padding: 10px 12px; background: rgba(255, 255, 255, 0.05); border: 1px solid var(--line); }
.tier.on { border-color: rgba(255, 210, 122, 0.7); background: rgba(255, 210, 122, 0.08); }
.tier .dot { width: 26px; display: flex; justify-content: center; }
.tier .dot i { display: block; border-radius: 50%; background: #fff; }
.tier b { display: block; font-weight: 600; }
.tier small { color: var(--muted); }
.tier .price { margin-left: auto; font-weight: 600; color: var(--gold); }
.check { display: flex; align-items: center; gap: 8px; margin-top: 14px; font-size: 14px; }
.err { color: var(--danger); font-size: 13px; min-height: 18px; margin: 10px 0 0; }

.seg { display: flex; gap: 6px; flex-wrap: wrap; }
.seg button { padding: 7px 12px; font-size: 13px; background: rgba(255, 255, 255, 0.06); border: 1px solid var(--line); }
.seg button.on { border-color: rgba(255, 210, 122, 0.7); background: rgba(255, 210, 122, 0.1); color: var(--gold); }
.amount { font: 600 40px/1 var(--sans); letter-spacing: -0.5px; margin: 6px 0 4px; }
.amount small { font-size: 18px; color: var(--muted); font-weight: 500; }
.note { font-size: 13px; color: var(--gold); background: rgba(255, 210, 122, 0.07); border-radius: 10px; padding: 8px 10px; }
.addr { display: flex; gap: 12px; align-items: center; margin-top: 6px; }
.addr canvas { border-radius: 10px; background: #fff; flex: none; }
.addr .a { font: 12.5px ui-monospace, Menlo, monospace; word-break: break-all; }
.addr .warn { color: var(--danger); font-size: 12px; margin-top: 6px; }
.timer { display: flex; justify-content: space-between; color: var(--muted); font-size: 13px; margin: 14px 0; }
.timer b { color: var(--text); font-variant-numeric: tabular-nums; }
.linkbox { display: flex; gap: 8px; }
.linkbox input { flex: 1; min-width: 0; }
.chat { background: #1d2333; border-radius: 16px; padding: 10px; margin-top: 6px; }
.chat .bubble { background: #2b3550; border-radius: 12px; overflow: hidden; }
.chat .bubble img { display: block; width: 100%; }
.chat .bubble .cap { padding: 8px 10px; font-size: 12.5px; }
.chat .bubble .cap b { display: block; font-size: 13px; }
.chat .bubble .cap span { color: var(--muted); }
.spin { display: inline-block; width: 14px; height: 14px; border: 2px solid rgba(255, 255, 255, 0.25); border-top-color: var(--gold); border-radius: 50%; animation: sp 0.8s linear infinite; vertical-align: -2px; margin-right: 6px; }
@keyframes sp { to { transform: rotate(360deg); } }

.reveal { position: fixed; inset: 0; z-index: 8; display: grid; place-items: center; background: radial-gradient(ellipse at center, rgba(8, 10, 26, 0.55), rgba(2, 3, 8, 0.92)); transition: opacity 0.8s; }
.reveal.fade { opacity: 0; pointer-events: none; }
.reveal-inner { text-align: center; padding: 16px; max-width: 640px; }
.eyebrow { color: var(--gold); letter-spacing: 2px; text-transform: uppercase; font-size: 12px; margin-bottom: 18px; }
.reveal h2 { font: 500 clamp(30px, 5vw, 50px)/1.15 var(--serif); margin: 0 0 30px; }

.toast { position: fixed; left: 50%; bottom: 70px; transform: translateX(-50%) translateY(20px); z-index: 9; background: var(--glass); border: 1px solid var(--line); padding: 9px 16px; border-radius: 999px; opacity: 0; transition: all 0.3s; pointer-events: none; backdrop-filter: blur(10px); }
.toast.on { opacity: 1; transform: translateX(-50%); }

@media (max-width: 760px) {
  .top { flex-wrap: wrap; padding: 10px 16px; gap: 8px; }
  .count { display: none; }
  .search { order: 5; width: 100%; margin-left: 0; }
  .search input { width: 100%; }
  #placeBtn { margin-left: auto; }
  .badge { top: 104px; left: 16px; }
  .hint { display: none; }
  .panel { top: auto; bottom: 0; right: 0; left: 0; width: auto; max-height: 72%; border-radius: 22px 22px 0 0; padding: 20px 16px calc(20px + env(safe-area-inset-bottom)); }
  .card-name { font-size: 30px; }
  .swatches { gap: 5px; }
  .panel { max-height: 66%; }
}

.tonight { color: var(--gold); letter-spacing: 2.5px; text-transform: uppercase; font-size: 11.5px; margin-bottom: 14px; text-shadow: 0 1px 10px rgba(0,0,0,.9); }
.tip b { display: block; font: 600 16px var(--serif); }
.tip span { display: block; font: 500 11px var(--sans); color: var(--gold); letter-spacing: 1px; text-transform: uppercase; }
.meteor { position: absolute; height: 1.5px; transform-origin: 0 50%; background: linear-gradient(90deg, rgba(255,255,255,0), rgba(255,255,255,.95)); border-radius: 2px; opacity: 0; animation: meteor 1.1s ease-out forwards; filter: drop-shadow(0 0 4px rgba(190,210,255,.9)); }
@keyframes meteor { 0% { opacity: 0; clip-path: inset(0 100% 0 0); } 15% { opacity: 1; } 60% { opacity: 1; clip-path: inset(0 0 0 0); } 100% { opacity: 0; clip-path: inset(0 0 0 100%); } }
.near-line { color: var(--muted); font-size: 13px; margin: -2px 0 6px; }
.link { background: none; padding: 0; color: var(--gold); text-decoration: underline; text-underline-offset: 3px; font-size: 13px; border-radius: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { padding: 6px 12px; font-size: 13px; background: rgba(255,255,255,.06); border: 1px solid var(--line); }
.chip.on { border-color: rgba(255,210,122,.75); background: rgba(255,210,122,.12); color: var(--gold); }
.ideas { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.ideas small { color: var(--muted); font-size: 12px; }
.idea { text-align: left; border-radius: 12px; padding: 8px 12px; background: rgba(255,255,255,.04); border: 1px dashed rgba(255,255,255,.14); font: italic 500 16px/1.3 var(--serif); color: rgba(255,255,255,.88); }
.idea:hover { border-color: rgba(255,210,122,.6); background: rgba(255,210,122,.06); }
input.t.sig { font: 500 22px var(--script); padding: 6px 12px; }
.card-from { font: 500 26px var(--script); color: var(--gold); margin: -4px 0 14px; }
.panel.letter .card-from { font-size: 32px; opacity: 0; animation: fadeword 1s 2.2s forwards; }
.cardprev { margin-top: 10px; border-radius: 12px; overflow: hidden; box-shadow: 0 12px 40px rgba(0,0,0,.5); background: #0a0d1f; aspect-ratio: 4 / 5; }
.cardprev img { display: block; width: 100%; }
@media (max-width: 760px) {
  .panel.letter { bottom: 64px; }
  .panel.letter .card-name { font-size: 38px; }
  .panel.letter .card-msg { font-size: 19px; margin: 8px 0 10px; }
  .panel.letter .card-from { font-size: 26px; margin-bottom: 8px; }
  .panel.letter .meta { font-size: 12px; margin-bottom: 12px; }
  .panel.letter .stack button { padding: 10px 16px; font-size: 14px; }
}

/* ---------- Nhãn trên bầu trời ---------- */
.lbl { position: absolute; left: 0; top: 0; display: flex; align-items: center; white-space: nowrap; pointer-events: none;
  opacity: 0; transition: opacity 0.45s ease; will-change: transform, opacity; --c: #ffd27a; }
.lbl.on { opacity: 1; }
.lbl > span { display: flex; flex-direction: column; line-height: 1.05; }
/* Sao của khách: dòng tên căn giữa đúng ngang ngôi sao, phụ đề (dịp) nằm dưới */
.lbl.s { align-items: flex-start; translate: 0 -8px; }
.lbl.s > i { width: 14px; height: 1px; margin: 8px 6px 0 0; background: linear-gradient(90deg, transparent, var(--c)); opacity: 0.8; }
.lbl.s b { font: 600 15px/16px var(--serif); letter-spacing: 0.2px; color: #f8f4ea;
  text-shadow: 0 0 14px color-mix(in srgb, var(--c) 55%, transparent), 0 0 3px rgba(0, 0, 0, 0.9), 0 1px 2px rgba(0, 0, 0, 0.9); }
.lbl.s small { font: 600 9px/11px var(--sans); letter-spacing: 1.6px; text-transform: uppercase; color: color-mix(in srgb, var(--c) 70%, white); margin-top: 3px; text-shadow: 0 1px 3px rgba(0, 0, 0, 0.95); }
.lbl.s small:empty { display: none; }
.lbl.s.big { translate: 0 -10px; }
.lbl.s.big > i { margin-top: 10px; width: 16px; }
.lbl.s.big b { font-size: 18px; line-height: 20px; }
.lbl.s.focus { translate: 0 -13px; }
.lbl.s.focus > i { width: 24px; margin-top: 13px; opacity: 1; }
.lbl.s.focus b { font-size: 23px; line-height: 26px; color: #fff; text-shadow: 0 0 18px color-mix(in srgb, var(--c) 70%, transparent), 0 0 4px rgba(0, 0, 0, 0.9); }
.lbl.s.focus small { font-size: 10px; letter-spacing: 2px; }
.lbl.s.left { flex-direction: row-reverse; }
.lbl.s.left > i { margin: 8px 0 0 6px; background: linear-gradient(270deg, transparent, var(--c)); }
.lbl.s.left.big > i { margin-top: 10px; }
.lbl.s.left.focus > i { margin-top: 13px; }
.lbl.s.left > span { align-items: flex-end; text-align: right; }
/* Sao thật */
.lbl.n { translate: 0 -50%; }
.lbl.n > i, .lbl.n small { display: none; }
.lbl.n b { font: italic 500 13.5px var(--serif); letter-spacing: 0.3px; color: rgba(214, 222, 255, 0.78); text-shadow: 0 0 6px rgba(0, 0, 0, 0.95); }
.lbl.n.on { opacity: 0.9; }
/* Chòm sao */
.lbl.c { translate: -50% -50%; text-align: center; }
.lbl.c > i { display: none; }
.lbl.c > span { align-items: center; }
.lbl.c b { font: 600 10px var(--sans); letter-spacing: 3px; padding-left: 3px; color: rgba(176, 192, 255, 0.55); text-shadow: 0 0 6px rgba(0, 0, 0, 0.95); }
.lbl.c small { font: italic 500 11px var(--serif); letter-spacing: 0.3px; color: rgba(176, 192, 255, 0.42); margin-top: 3px; }
.lbl.c small:empty { display: none; }
@media (max-width: 760px) {
  #placeBtn .long { display: none; }
  #placeBtn .short { display: inline; }
  .brand { font-size: 20px; }
}

/* ---------- Tính năng mới ---------- */
.icon { width: 36px; height: 34px; padding: 0; display: inline-flex; flex-direction: column; align-items: center; justify-content: center; gap: 3.5px; }
.icon span { display: block; width: 15px; height: 1.5px; background: currentColor; border-radius: 2px; }
/* Màn mở link: ẩn hết khung trang để chỉ còn bầu trời và lời nhắn */
body.revealing .top, body.revealing .badge, body.revealing .disc, body.revealing .hint, body.revealing #tip { opacity: 0; pointer-events: none; transition: opacity 0.6s; }
.top, .badge, .disc { transition: opacity 0.6s; }
.mark { font: 600 15px var(--serif); color: rgba(255, 255, 255, 0.55); letter-spacing: 1px; margin-bottom: 26px; }
.reveal-sky { color: rgba(220, 225, 255, 0.7); font: italic 500 17px var(--serif); margin: -16px 0 26px; min-height: 1px; }
.lockbox { margin-top: 6px; }
.lock-t { color: var(--muted); letter-spacing: 2px; text-transform: uppercase; font-size: 12px; margin-bottom: 14px; }
.countdown { display: flex; gap: 12px; justify-content: center; }
.countdown div { min-width: 70px; padding: 12px 8px; border-radius: 14px; background: rgba(255, 255, 255, 0.05); border: 1px solid var(--line); }
.countdown b { display: block; font: 600 34px/1 var(--serif); }
.countdown small { color: var(--muted); font-size: 11px; letter-spacing: 1px; text-transform: uppercase; }
.lock-at { margin: 16px 0 10px; color: var(--gold); font: italic 500 18px var(--serif); }
.link.quiet { color: var(--muted); font-size: 12.5px; margin-top: 10px; display: inline-block; }
/* Lá thư */
.preview-bar { position: absolute; left: 50%; top: -46px; transform: translateX(-50%); white-space: nowrap; font-size: 12px; letter-spacing: 1px; text-transform: uppercase; color: #1b1206; background: var(--gold); padding: 5px 12px; border-radius: 999px; }
.panel:not(.letter) .preview-bar { position: static; transform: none; display: inline-block; margin-bottom: 10px; }
.card-years { font: 500 14px var(--sans); letter-spacing: 3px; color: var(--muted); margin: 2px 0 4px; }
.lock { font-size: 13px; color: var(--muted); background: rgba(255, 255, 255, 0.04); border: 1px dashed rgba(255, 255, 255, 0.14); border-radius: 12px; padding: 10px 12px; margin: 14px 0; }
.lock.mine { border: 0; background: none; padding: 0; margin: -8px 0 12px; font-size: 12px; }
.stack.row { flex-direction: row; flex-wrap: wrap; justify-content: center; }
.stack.row button { width: auto; flex: 1 1 auto; }
.panel:not(.letter) .stack.row { justify-content: flex-start; }
.thank { display: flex; gap: 8px; margin-top: 10px; align-items: flex-end; }
.thank textarea { height: 60px; font: italic 500 16px/1.3 var(--serif); }
.guest { margin-top: 16px; text-align: left; border-top: 1px solid var(--line); padding-top: 12px; max-height: 32vh; overflow-y: auto; }
.guest-h { display: block; width: 100%; text-align: left; background: none; padding: 0; border-radius: 0; font: 600 11px var(--sans); letter-spacing: 2px; text-transform: uppercase; color: var(--gold); margin-bottom: 8px; }
.guest-h span { float: right; }
.guest.closed { padding-bottom: 0; }
.guest.closed .guest-h { margin-bottom: 0; }
.note { padding: 8px 0; border-bottom: 1px dashed rgba(255, 255, 255, 0.08); }
.note b { font: 600 15px var(--serif); }
.note em { font-size: 11px; color: var(--gold); font-style: normal; }
.note p { margin: 2px 0 0; font: italic 500 16px/1.35 var(--serif); color: rgba(255, 255, 255, 0.85); }
.guest-form { display: flex; flex-direction: column; gap: 8px; margin-top: 10px; }
.guest-form textarea { height: 64px; font: italic 500 16px/1.3 var(--serif); }
/* Tưởng nhớ: trầm, ấm, không lấp lánh */
.panel.mem .card-for { color: #e8d3a8; }
.panel.mem .card-name { text-shadow: none; }
.panel.letter.mem .card-name { text-shadow: 0 0 24px rgba(255, 211, 154, 0.25); }
.panel.mem .card-from { color: #e8d3a8; }
.panel.mem .primary { background: rgba(255, 255, 255, 0.08); color: var(--text); box-shadow: none; border: 1px solid var(--line); }
.lbl.s.mem b { text-shadow: 0 0 10px rgba(255, 211, 154, 0.35), 0 1px 2px rgba(0, 0, 0, 0.9); }
/* Chọn chỗ */
details.sect { border: 1px solid var(--line); border-radius: 14px; padding: 10px 12px; background: rgba(255, 255, 255, 0.03); margin-bottom: 4px; }
details.sect summary { cursor: pointer; font-weight: 600; font-size: 14px; list-style: none; }
details.sect summary::before { content: '☾ '; color: var(--gold); }
details.sect summary small { color: var(--muted); font-weight: 400; }
details.sect .sub { margin: 8px 0; font-size: 13px; }
.row3 { display: flex; gap: 8px; }
.row3 > * { flex: 1; }
.row2 { display: flex; gap: 12px; align-items: center; margin-top: 10px; }
label.mini { display: block; font-size: 12px; color: var(--muted); margin-top: 8px; }
label.mini .t { margin-top: 4px; padding: 8px 10px; }
label.mini.inline { display: flex; align-items: center; gap: 8px; }
label.mini.inline .t { width: auto; margin: 6px 0 0; }
select.t { appearance: none; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%); background-position: calc(100% - 16px) 50%, calc(100% - 11px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
select.t option { background: #11142a; }
input.t[type=date], input.t[type=time], input.t[type=datetime-local] { color-scheme: dark; }
.zod { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.chip.z { padding: 6px 4px; font-size: 12px; display: flex; flex-direction: column; align-items: center; gap: 1px; border-radius: 12px; }
.chip.z i { font-style: normal; font-size: 17px; color: var(--gold); font-family: "Segoe UI Symbol", "Apple Symbols", "Noto Sans Symbols 2", serif; font-variant-emoji: text; }
.sub.tap { margin: 14px 0 10px; font-size: 13px; }
/* Form */
.ctx { font-size: 13px; color: var(--gold); background: rgba(255, 210, 122, 0.07); border-radius: 10px; padding: 8px 10px; margin: 6px 0; }
.ctx small { color: var(--muted); }
.radio { display: flex; flex-direction: column; gap: 6px; font-size: 14px; }
.radio label { display: flex; gap: 8px; align-items: center; }
.radio small, small.hint { color: var(--muted); font-size: 12px; display: block; margin-top: 4px; }
.preview-btn { width: 100%; margin: 6px 0 10px; border-color: rgba(255, 210, 122, 0.45); color: var(--gold); }
.note-gold { color: var(--gold); font-size: 13px; }
/* Thanh toán */
.steps { display: flex; gap: 4px; padding: 0; margin: 4px 0 6px; list-style: none; counter-reset: st; }
.steps li { flex: 1; font-size: 11px; color: var(--muted); text-align: center; padding-top: 22px; position: relative; counter-increment: st; }
.steps li::before { content: counter(st); position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 18px; height: 18px; border-radius: 50%; border: 1px solid var(--line); font-size: 10px; line-height: 18px; }
.steps li.on { color: var(--gold); }
.steps li.on::before { border-color: var(--gold); color: var(--gold); }
.steps li.done { color: var(--text); }
.steps li.done::before { content: '✓'; background: var(--gold); color: #1b1206; border-color: var(--gold); }
.guide { margin: 10px 0 4px; padding-left: 20px; font-size: 13.5px; line-height: 1.5; color: rgba(255, 255, 255, 0.88); background: rgba(255, 210, 122, 0.05); border-radius: 12px; padding: 10px 12px 10px 30px; }
.guide li { margin: 2px 0; }
/* Menu */
.mine-row { display: flex; align-items: center; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.mine-row > div { flex: 1; min-width: 0; }
.mine-row b { display: block; font: 600 16px var(--serif); }
.mine-row small { color: var(--muted); font-size: 12px; }
.h-sep { margin-top: 22px !important; }
details.faq { border-bottom: 1px solid var(--line); padding: 8px 0; }
details.faq summary { cursor: pointer; font-size: 14px; }
details.faq p { color: var(--muted); font-size: 13.5px; margin: 6px 0 2px; }
.check { cursor: pointer; }
/* Nhóm */
.progress { height: 6px; border-radius: 6px; background: rgba(255, 255, 255, 0.08); overflow: hidden; margin: 8px 0; }
.progress i { display: block; height: 100%; background: linear-gradient(90deg, var(--gold), var(--peach)); border-radius: 6px; }
.members { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 14px; }
.member { font-size: 13px; padding: 5px 10px; border-radius: 999px; border: 1px dashed rgba(255, 255, 255, 0.18); color: var(--muted); }
.member.on { border: 1px solid rgba(255, 210, 122, 0.5); color: var(--gold); background: rgba(255, 210, 122, 0.06); }
.lbl.c.grp b { color: rgba(255, 214, 140, 0.85); letter-spacing: 3.5px; }
.lbl.c.grp small { color: rgba(255, 214, 140, 0.6); }
/* Giảm chuyển động */
body.calm .meteor { display: none; }
/* Không có WebGL */
body.nogl { background: #03040a url('sky/glow-2k.jpg') center / cover no-repeat; }
body.nogl .intro, body.nogl #hint { display: none; }
@media (max-width: 760px) {
  .zod { grid-template-columns: repeat(4, 1fr); gap: 5px; }
  .chip.z { font-size: 11px; padding: 5px 2px; }
  .countdown div { min-width: 58px; }
  .countdown b { font-size: 28px; }
  .stack.row button { padding: 9px 12px; font-size: 13px; }
  .guest { max-height: 26vh; }
}
@media (max-width: 1000px) and (min-width: 761px) {
  .count { display: none; }
  .search input { width: 190px; }
}
.stack .linkbox button { width: auto; flex: none; }

/* ---------- Ngôn ngữ ---------- */
.langpick { position: relative; display: inline-flex; align-items: center; gap: 6px; border-radius: 999px; cursor: pointer; white-space: nowrap; font-weight: 600; }
.langpick select { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; font-size: 16px; }
.langpick svg { opacity: 0.7; }
body.lang-loading .langpick { opacity: 0.5; }
/* Chữ Thái, Devanagari, Bengali: giãn chữ làm vỡ dấu, nên tắt */
html:lang(th) *, html:lang(hi) *, html:lang(bn) * { letter-spacing: normal !important; }
html:lang(zh) .intro h1, html:lang(ja) .intro h1, html:lang(ko) .intro h1 { font-weight: 600; letter-spacing: 0.02em; }
.thanks-got { margin-top: 6px; }
.thanks-got small { color: var(--gold); font-size: 11px; letter-spacing: 1px; text-transform: uppercase; }
.thanks-got p { margin: 2px 0; font: italic 500 15px/1.3 var(--serif); color: rgba(255,255,255,.85); }