/* Layout: dark "night out" luxe. Fixed aurora glow behind a centred 1080px column; frosted-glass cards; gradient used only for primary actions, active tab, countdown and the reveal. Single deliberate dark theme. */
:root{
  color-scheme:dark;
  --bg:#0F0B16; --surface:rgba(255,255,255,.045); --surface-solid:#1A1423; --surface-2:rgba(255,255,255,.075);
  --fg:#F8F2EA; --muted:#AEA3BA; --line:rgba(255,255,255,.09); --line-strong:rgba(255,255,255,.2);
  --gold:#F1D29A; --rose:#FF86AE; --violet:#A98BFF; --ink:#170F1E;
  --accent:#F4CF96; --accent-ink:#170F1E; --accent-soft:rgba(244,207,150,.13);
  --grad:linear-gradient(115deg,#F6DCA4 0%,#FF8FB3 52%,#AE8CFF 100%);
  --ok:#62E3A9; --ok-soft:rgba(98,227,169,.14); --warn:#FFC86E; --warn-soft:rgba(255,200,110,.14); --bad:#FF7C8C; --bad-soft:rgba(255,124,140,.14);
  --t-holiday:#7AD7FF; --t-holiday-soft:rgba(122,215,255,.14); --t-holiday-g:linear-gradient(140deg,#8FE0FF,#7C8CFF);
  --t-dayout:#FFCB74; --t-dayout-soft:rgba(255,203,116,.14); --t-dayout-g:linear-gradient(140deg,#FFE08A,#FF9A6C);
  --t-party:#FF8AD0; --t-party-soft:rgba(255,138,208,.14); --t-party-g:linear-gradient(140deg,#FF9AD5,#A98BFF);
  --t-santa:#FF8577; --t-santa-soft:rgba(255,133,119,.15); --t-santa-g:linear-gradient(140deg,#FF8A80,#FFC27A);
  --t-other:#C3B5FF; --t-other-soft:rgba(195,181,255,.14); --t-other-g:linear-gradient(140deg,#C9B8FF,#7FDCCB);
  --shadow:0 18px 50px rgba(0,0,0,.35);
  --f-display:"Unbounded","Segoe UI",system-ui,sans-serif;
  --f-serif:"Instrument Serif","Times New Roman",Georgia,serif;
  --f-body:"Manrope","Segoe UI",system-ui,-apple-system,sans-serif;
  --r:22px; --r-sm:14px;
}
*{box-sizing:border-box}
html,body{background:var(--bg)}
body{color:var(--fg);font-family:var(--f-body);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased;min-height:100%}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--accent)}
::selection{background:var(--rose);color:var(--ink)}
h1,h2,h3{font-family:var(--f-display);text-wrap:balance;margin:0;line-height:1.12;letter-spacing:-.025em;font-weight:600}
h1{font-size:clamp(1.6rem,4.2vw,2.3rem)}
h2{font-size:1.08rem}
h3{font-size:.98rem;letter-spacing:-.01em}
.serif{font-family:var(--f-serif);font-style:italic;font-weight:400;letter-spacing:0}
.gtext{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
h1 .serif,h2 .serif{font-size:1.18em}
p{margin:0}
.num{font-variant-numeric:tabular-nums}
.muted{color:var(--muted)}
.small{font-size:.86rem}
.label{font-size:.7rem;text-transform:uppercase;letter-spacing:.14em;font-weight:700;color:var(--muted)}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:10px}

/* aurora */
.aurora{position:fixed;inset:0;z-index:-1;overflow:hidden;pointer-events:none;background:var(--bg)}
.aurora i{position:absolute;border-radius:50%;filter:blur(90px);opacity:.42;animation:drift 26s ease-in-out infinite alternate}
.aurora i:nth-child(1){width:55vmax;height:55vmax;left:-18vmax;top:-22vmax;background:#7A3CFF}
.aurora i:nth-child(2){width:45vmax;height:45vmax;right:-16vmax;top:8vmax;background:#FF5C9A;animation-duration:32s;opacity:.3}
.aurora i:nth-child(3){width:40vmax;height:40vmax;left:20vmax;bottom:-26vmax;background:#E9B65E;animation-duration:38s;opacity:.22}
.aurora::after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 50% 0%,transparent 0%,rgba(15,11,22,.55) 70%)}
@keyframes drift{to{transform:translate(6vmax,4vmax) scale(1.12)}}

/* header */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:rgba(15,11,22,.62);backdrop-filter:blur(18px) saturate(1.4);-webkit-backdrop-filter:blur(18px) saturate(1.4);border-bottom:1px solid var(--line)}
.wrap{max-width:1080px;margin:0 auto;padding-inline:16px}
.top-row{display:flex;align-items:center;gap:12px;padding-block:14px 10px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;min-width:0;flex:1}
.mark{width:38px;height:38px;border-radius:13px;background:var(--grad);color:var(--ink);display:grid;place-items:center;font-family:var(--f-serif);font-style:italic;font-size:1.6rem;line-height:1;flex:none;box-shadow:0 6px 24px rgba(255,134,174,.35)}
.brand-name{font-family:var(--f-display);font-weight:600;font-size:1.05rem;letter-spacing:-.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.who{display:flex;align-items:center;gap:8px}
.tabs{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;padding-bottom:12px;margin-inline:-4px;padding-inline:4px}
.tabs::-webkit-scrollbar{display:none}
.tab{border:1px solid transparent;background:none;padding:8px 15px;border-radius:999px;cursor:pointer;white-space:nowrap;color:var(--muted);font-weight:700;font-size:.88rem;transition:color .2s,background .2s}
.tab:hover{color:var(--fg);background:var(--surface-2)}
.tab[aria-current="page"]{background:var(--grad);color:var(--ink);box-shadow:0 6px 22px rgba(255,134,174,.3)}

main.wrap{padding-block:28px 80px;display:flex;flex-direction:column;gap:24px}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;flex-wrap:wrap}
.page-head > div{min-width:0;display:flex;flex-direction:column;gap:6px}
.stack{display:flex;flex-direction:column;gap:12px}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(min(100%,290px),1fr))}
.two{display:grid;gap:24px;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr)}
@media (max-width:820px){.two{grid-template-columns:minmax(0,1fr)}}

/* surfaces */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;display:flex;flex-direction:column;gap:12px;min-width:0;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.card.click{cursor:pointer;transition:transform .25s cubic-bezier(.2,.8,.2,1),border-color .25s,box-shadow .25s}
.card.click:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:0 16px 44px rgba(255,110,170,.14)}
.section{display:flex;flex-direction:column;gap:14px}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}
.banner{border-radius:var(--r-sm);padding:12px 16px;background:var(--warn-soft);color:var(--fg);border:1px solid var(--line);font-size:.9rem}
.banner.info{background:var(--accent-soft)}
.empty{border:1px dashed var(--line-strong);border-radius:var(--r);padding:24px;color:var(--muted);display:flex;flex-direction:column;gap:12px;align-items:flex-start;background:rgba(255,255,255,.02)}
.empty strong{color:var(--fg);font-family:var(--f-display);font-weight:600;font-size:1rem;letter-spacing:-.01em}
hr{border:0;border-top:1px solid var(--line);margin:0}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line-strong);background:var(--surface-2);padding:9px 17px;border-radius:999px;font-weight:700;cursor:pointer;font-size:.88rem;text-decoration:none;color:var(--fg);white-space:nowrap;transition:transform .15s,background .2s,border-color .2s,box-shadow .2s}
.btn:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.32)}
.btn:active{transform:scale(.97)}
.btn.primary{background:var(--grad);border-color:transparent;color:var(--ink);box-shadow:0 8px 26px rgba(255,134,174,.32)}
.btn.primary:hover{box-shadow:0 10px 34px rgba(255,134,174,.48);filter:brightness(1.05)}
.btn.ghost{background:none;border-color:transparent;color:var(--muted)}
.btn.ghost:hover{color:var(--fg);background:var(--surface-2)}
.btn.danger{color:var(--bad)}
.btn.danger.armed{background:var(--bad);border-color:var(--bad);color:var(--ink)}
.btn.sm{padding:6px 12px;font-size:.8rem}
.btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}
.link{background:none;border:0;padding:0;color:var(--accent);font-weight:700;cursor:pointer}

/* chips */
.chip{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;font-size:.74rem;font-weight:700;background:var(--surface-2);color:var(--muted);white-space:nowrap;letter-spacing:.01em}
.chip.holiday{background:var(--t-holiday-soft);color:var(--t-holiday)}
.chip.dayout{background:var(--t-dayout-soft);color:var(--t-dayout)}
.chip.party{background:var(--t-party-soft);color:var(--t-party)}
.chip.santa{background:var(--t-santa-soft);color:var(--t-santa)}
.chip.other{background:var(--t-other-soft);color:var(--t-other)}
.chip.going{background:var(--ok-soft);color:var(--ok)}
.chip.maybe{background:var(--warn-soft);color:var(--warn)}
.chip.no{background:var(--bad-soft);color:var(--bad)}
.filters{display:flex;gap:8px;flex-wrap:wrap}
.filter{border:1px solid var(--line-strong);background:transparent;border-radius:999px;padding:6px 14px;font-size:.82rem;font-weight:700;cursor:pointer;color:var(--muted)}
.filter:hover{color:var(--fg)}
.filter[aria-pressed="true"]{background:var(--fg);border-color:var(--fg);color:var(--ink)}

/* avatars */
.av{--h:170;width:30px;height:30px;border-radius:50%;display:inline-grid;place-items:center;font-size:.7rem;font-weight:800;background:linear-gradient(135deg,hsl(var(--h) 85% 72%),hsl(calc(var(--h) + 50) 80% 60%));color:var(--ink);flex:none;border:2px solid var(--bg)}
.av.lg{width:46px;height:46px;font-size:.92rem}
.avs{display:flex}
.avs .av+.av{margin-left:-9px}

/* event card */
.ev{display:grid;grid-template-columns:60px minmax(0,1fr);gap:16px;align-items:start}
.date-block{border-radius:16px;background:var(--t-other-g);color:var(--ink);text-align:center;padding:8px 0 9px;display:flex;flex-direction:column;line-height:1;gap:3px;box-shadow:0 8px 22px rgba(0,0,0,.28)}
.date-block .m{font-size:.66rem;font-weight:800;text-transform:uppercase;letter-spacing:.14em;opacity:.75}
.date-block .d{font-family:var(--f-display);font-weight:700;font-size:1.55rem;letter-spacing:-.03em}
.date-block.holiday{background:var(--t-holiday-g)} .date-block.dayout{background:var(--t-dayout-g)}
.date-block.party{background:var(--t-party-g)} .date-block.santa{background:var(--t-santa-g)}
.ev-body{display:flex;flex-direction:column;gap:6px;min-width:0}
.ev-title{font-family:var(--f-display);font-weight:600;font-size:1.02rem;letter-spacing:-.02em;overflow-wrap:anywhere}
.meta{display:flex;gap:6px 14px;flex-wrap:wrap;color:var(--muted);font-size:.85rem}
.month{font-family:var(--f-serif);font-style:italic;color:var(--fg);font-size:1.6rem;padding-top:6px;line-height:1}

/* hero (home) */
.hero{position:relative;overflow:hidden;border-radius:28px;padding:clamp(22px,4vw,36px);display:flex;flex-direction:column;gap:14px;border:1px solid var(--line-strong);
  background:radial-gradient(120% 140% at 100% 0%,rgba(255,134,174,.32),transparent 55%),radial-gradient(90% 120% at 0% 100%,rgba(169,139,255,.32),transparent 60%),rgba(255,255,255,.04);box-shadow:var(--shadow)}
.hero::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;border:1px solid rgba(246,220,164,.25);box-shadow:0 0 0 30px rgba(246,220,164,.04),0 0 0 70px rgba(246,220,164,.03);pointer-events:none}
.hero .label{color:var(--gold)}
.hero h1{font-size:clamp(1.7rem,5vw,2.8rem)}
.countdown{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.countdown .big{font-family:var(--f-display);font-weight:700;font-size:clamp(4rem,15vw,7.5rem);line-height:.9;letter-spacing:-.06em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.countdown .serif{font-size:clamp(1.4rem,3.5vw,2rem);color:var(--fg)}
.hero .row{position:relative;z-index:1}

/* rsvp segmented */
.seg{display:inline-flex;gap:6px;flex-wrap:wrap}
.seg button{border:1px solid var(--line-strong);background:var(--surface-2);padding:10px 18px;border-radius:999px;font-weight:700;cursor:pointer;font-size:.88rem;color:var(--fg);transition:transform .15s,background .2s}
.seg button:active{transform:scale(.95)}
.seg button[aria-pressed="true"]{color:var(--ink);border-color:transparent}
.seg button[aria-pressed="true"].going{background:var(--ok);box-shadow:0 6px 22px rgba(98,227,169,.35)}
.seg button[aria-pressed="true"].maybe{background:var(--warn)}
.seg button[aria-pressed="true"].no{background:var(--bad)}

/* lists */
.list{display:flex;flex-direction:column}
.li{display:flex;align-items:center;gap:12px;padding:11px 0;border-top:1px solid var(--line);min-width:0}
.li:first-child{border-top:0}
.li > .grow{flex:1;min-width:0;overflow-wrap:anywhere}
.amount{font-weight:800;font-variant-numeric:tabular-nums;white-space:nowrap}
.pos{color:var(--ok)} .neg{color:var(--bad)}

/* poll */
.opt{position:relative;display:flex;align-items:center;gap:10px;width:100%;text-align:left;border:1px solid var(--line);background:rgba(255,255,255,.03);border-radius:var(--r-sm);padding:11px 14px;cursor:pointer;overflow:hidden;transition:border-color .2s}
.opt:hover{border-color:var(--line-strong)}
.opt .bar{position:absolute;inset:0 auto 0 0;background:linear-gradient(90deg,rgba(246,220,164,.2),rgba(255,143,179,.22));z-index:0;transition:width .5s cubic-bezier(.2,.8,.2,1)}
.opt > *:not(.bar){position:relative;z-index:1}
.opt .grow{flex:1;min-width:0;overflow-wrap:anywhere;font-weight:600}
.opt.mine{border-color:var(--rose)}
.tick{width:20px;height:20px;border-radius:7px;border:1.5px solid var(--muted);display:grid;place-items:center;flex:none;font-size:.75rem;color:var(--ink);font-weight:900}
.opt.mine .tick{background:var(--grad);border-color:transparent}
.opt:disabled{cursor:default}

/* photos */
.photos{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
.ph{aspect-ratio:1;border-radius:16px;overflow:hidden;background:var(--surface-2);border:0;padding:0;cursor:pointer;max-width:100%}
.ph img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s cubic-bezier(.2,.8,.2,1)}
.ph:hover img{transform:scale(1.06)}

/* tables */
.tbl-wrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:.9rem}
th,td{text-align:left;padding:10px 8px;border-top:1px solid var(--line);vertical-align:middle}
th{font-size:.68rem;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);border-top:0}

/* dialog + forms */
dialog{border:1px solid var(--line-strong);padding:0;border-radius:26px;background:var(--surface-solid);color:var(--fg);width:min(560px,calc(100vw - 24px));max-height:calc(100dvh - 32px);box-shadow:0 30px 90px rgba(0,0,0,.6)}
dialog::backdrop{background:rgba(8,5,12,.66);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.dlg{position:relative;display:flex;flex-direction:column;max-height:calc(100dvh - 32px)}
.dlg-head{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:20px 22px 14px;border-bottom:1px solid var(--line)}
.dlg-body{padding:18px 22px 22px;overflow-y:auto;display:flex;flex-direction:column;gap:16px}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field > span{font-weight:700;font-size:.84rem}
.field small{color:var(--muted)}
input[type=text],input[type=email],input[type=url],input[type=number],input[type=date],select,textarea{width:100%;border:1px solid var(--line-strong);background:rgba(255,255,255,.04);border-radius:var(--r-sm);padding:11px 13px;min-width:0;transition:border-color .2s,box-shadow .2s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--rose);box-shadow:0 0 0 4px rgba(255,134,174,.15)}
select option{background:var(--surface-solid)}
textarea{resize:vertical}
input[type=checkbox]{accent-color:var(--rose);width:16px;height:16px}
.fields2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:480px){.fields2{grid-template-columns:1fr}}
.checks{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.check{display:flex;align-items:center;gap:9px;padding:8px 10px;border:1px solid var(--line);border-radius:var(--r-sm);cursor:pointer;min-width:0;background:rgba(255,255,255,.03)}
.check:hover{border-color:var(--line-strong)}
.check span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.actions{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap;padding-top:4px}
.err{color:var(--bad);font-size:.88rem}
.lightbox img{width:100%;border-radius:16px;max-height:65dvh;object-fit:contain;background:rgba(0,0,0,.3)}

/* santa reveal */
.reveal{text-align:center;padding:16px 0 8px;display:flex;flex-direction:column;gap:12px;align-items:center}
.reveal .who-name{font-family:var(--f-display);font-weight:700;font-size:clamp(2.2rem,9vw,3.4rem);letter-spacing:-.04em;line-height:1.05;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;animation:pop .7s cubic-bezier(.2,1.4,.4,1) both}
@keyframes pop{from{transform:scale(.6);opacity:0}to{transform:none;opacity:1}}
.confetti{position:fixed;inset:0;pointer-events:none;z-index:200}
.dlg .confetti{position:absolute;width:100%;height:100%}

.toast{position:fixed;left:50%;bottom:calc(22px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--fg);color:var(--ink);padding:11px 18px;border-radius:999px;font-weight:700;font-size:.88rem;z-index:100;max-width:calc(100vw - 32px);box-shadow:0 12px 40px rgba(0,0,0,.45)}
.skeleton{height:90px;border-radius:var(--r);background:var(--surface-2)}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

/* standalone additions */
html,body{margin:0}
body{padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
img{max-width:100%}
[hidden]{display:none!important}
.gate{min-height:calc(100dvh - 120px);display:grid;place-items:center;padding-block:40px}
.gate-card{width:min(460px,100%);display:flex;flex-direction:column;gap:18px;padding:clamp(24px,5vw,36px);border-radius:28px;border:1px solid var(--line-strong);
  background:radial-gradient(120% 120% at 100% 0%,rgba(255,134,174,.25),transparent 55%),radial-gradient(90% 120% at 0% 100%,rgba(169,139,255,.25),transparent 60%),rgba(255,255,255,.05);box-shadow:var(--shadow);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.gate-card .mark{width:52px;height:52px;font-size:2.1rem;border-radius:16px}
.gate-card h1{font-size:clamp(1.7rem,6vw,2.4rem)}
.code-input{font-family:var(--f-display);font-size:1.6rem!important;letter-spacing:.3em;text-align:center}

/* trip hub */
.stats{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(min(100%,170px),1fr))}
.stat{gap:6px;text-align:left;font:inherit;color:inherit}
.stat-v{font-family:var(--f-display);font-weight:600;font-size:1.25rem;letter-spacing:-.02em;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.room{padding:0;overflow:hidden;gap:10px}
.room > *:not(.room-img){margin-inline:18px}
.room > *:last-child{margin-bottom:18px}
.room-img{width:100%;aspect-ratio:3/2;object-fit:cover;display:block;max-width:100%}
.room.mine{border-color:var(--ok)}
.plan-img{width:100%;max-width:100%;border-radius:14px;background:#fff;display:block}
.plan-item{align-items:flex-start}
.plan-item > .chip{margin-top:2px;flex:none}
.tickbtn{width:26px;height:26px;border-radius:8px;border:1.5px solid var(--muted);background:transparent;color:var(--ink);font-weight:900;cursor:pointer;flex:none;display:grid;place-items:center}
.tickbtn.on{background:var(--grad);border-color:transparent}
button.chip{border:0;cursor:pointer;font:inherit;font-size:.74rem;font-weight:700}
.shop-item.done .item-name{text-decoration:line-through;color:var(--muted)}
.item-name{font-weight:600}
.bar-track{height:8px;border-radius:999px;background:var(--surface-2);overflow:hidden}
.bar-fill{height:100%;background:var(--grad);border-radius:999px;transition:width .5s}
tr.sub td{border-top:0;padding-top:0}
details.card > summary{list-style:none}
@media (max-width:560px){.hide-sm{display:none}}

/* trip tabs: one swipeable row on phones */
.trip-tabs{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;
  margin-inline:-16px;padding:4px 16px}
.trip-tabs::-webkit-scrollbar{display:none}
.trip-tabs .filter{flex:none}
.trip-tabs .filter[aria-pressed="true"]{background:var(--grad);border-color:transparent;color:var(--ink)}
.notes > summary{display:flex;justify-content:space-between;align-items:center;gap:8px;cursor:pointer;list-style:none}
.notes > summary::-webkit-details-marker{display:none}
.notes-text{white-space:pre-wrap;overflow-wrap:anywhere;max-width:65ch;font-size:.92rem}
.page-head > div.row{flex-direction:row}
.stats{grid-template-columns:repeat(auto-fit,minmax(min(100%,140px),1fr))}
@media (max-width:480px){.stat{padding:14px}.stat-v{font-size:1.05rem}}
@media (max-width:480px){.who > span.small{display:none}.brand-name{font-size:.95rem}}
@media (max-width:480px){.who{gap:0}.who .btn.sm{padding:6px 7px;font-size:.76rem}.top-row{gap:8px}}