/* DFWCPF Christmas Celebration — formal invitation microsite, mobile-first */
:root{
  --forest:#143028;--forest-mid:#1c3f34;--forest-deep:#0c1f1a;
  --burgundy:#6b1d24;--burgundy-bright:#8a2a32;
  --cream:#f7f1e6;--cream-deep:#efe6d6;--paper:#fffdf8;
  --gold:#c4a35a;--gold-soft:#d4bc7a;--gold-mute:#a8894a;
  --ink:#241f1b;--mute:#6a6056;--line:#e4d9c6;
  --serif:"Cormorant Garamond","Noto Serif TC","Songti TC",Georgia,serif;
  --sans:"Inter","Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--cream);color:var(--ink);font:16px/1.65 var(--sans);overflow-x:hidden}
a{color:var(--burgundy)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* Hero */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;justify-content:center;text-align:center;color:var(--cream);padding:4.8rem 1.15rem 4.2rem;background-color:var(--forest-deep);background-image:linear-gradient(180deg,rgba(12,31,26,.72) 0%,rgba(20,48,40,.78) 45%,rgba(12,31,26,.88) 100%),url("/hero-bg.jpg");background-size:cover;background-position:center 40%;background-repeat:no-repeat;overflow:hidden}
@media(max-width:640px){.hero{background-image:linear-gradient(180deg,rgba(12,31,26,.74) 0%,rgba(20,48,40,.8) 45%,rgba(12,31,26,.9) 100%),url("/hero-bg-sm.jpg")}}
.hero::after{content:"";position:absolute;left:50%;bottom:0;width:min(240px,55%);height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent);transform:translateX(-50%)}
.hero-inner{position:relative;z-index:1;width:min(820px,100%)}
.eyebrow{margin:0 0 .45rem;font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold-soft);font-weight:500}
.org-zh{margin:0 0 1.6rem;font-family:var(--serif);font-size:clamp(.95rem,3.2vw,1.15rem);letter-spacing:.28em;color:#efe5d1;padding-left:.28em}
.hero h1{margin:0;font-family:var(--serif);font-weight:500;font-size:clamp(2.35rem,10vw,4.6rem);line-height:1.05;letter-spacing:.01em}
.hero h1 em{font-style:italic;color:var(--gold-soft);font-weight:500}
.hero-zh{margin:.7rem 0 0;font-family:var(--serif);font-size:clamp(1.2rem,5vw,1.85rem);letter-spacing:.32em;color:#f0e6d2;padding-left:.32em}
.ornament{width:64px;height:1px;margin:1.55rem auto;background:var(--gold);position:relative}
.ornament::before{content:"";position:absolute;left:50%;top:-3.5px;width:7px;height:7px;background:var(--gold);transform:translateX(-50%) rotate(45deg)}
.when{margin:0;font-size:clamp(.95rem,3.4vw,1.1rem);color:#efe5d1;line-height:1.7}
.when strong{color:#fff;font-weight:600}
.hero-actions{margin-top:1.9rem;display:flex;flex-direction:column;gap:.65rem;align-items:stretch}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:.85rem 1.35rem;border-radius:999px;font:inherit;font-weight:600;font-size:.98rem;letter-spacing:.03em;text-decoration:none;border:0;cursor:pointer;transition:background .2s,border-color .2s,color .2s}
.btn-primary{background:var(--burgundy);color:#fff}
.btn-primary:hover{background:var(--burgundy-bright)}
.btn-ghost{background:transparent;color:var(--cream);border:1px solid rgba(212,188,122,.55)}
.btn-ghost:hover{border-color:var(--gold-soft);background:rgba(212,188,122,.1)}
@media(min-width:480px){.hero-actions{flex-direction:row;justify-content:center;align-items:center}.btn{min-width:180px}}

/* Shell */
.wrap{width:min(960px,calc(100% - 1.5rem));margin-inline:auto}
.section{padding:3.4rem 0 0}
.section-head{text-align:center;margin-bottom:1.8rem}
.kicker{margin:0 0 .45rem;font-size:.68rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-mute);font-weight:600}
.section-head h2{margin:0;font-family:var(--serif);font-weight:600;font-size:clamp(1.7rem,5.5vw,2.4rem);color:var(--forest);line-height:1.2}
.section-head h2 span{display:block;margin-top:.3rem;font-weight:500;font-size:.68em;letter-spacing:.12em;color:var(--mute)}
.lede{max-width:36rem;margin:.85rem auto 0;color:var(--mute);font-size:.98rem}

/* Details editorial */
.details-grid{display:grid;gap:1rem}
@media(min-width:740px){.details-grid{grid-template-columns:1.15fr .85fr;gap:1.25rem}}
.detail-card{background:var(--paper);border:1px solid var(--line);padding:1.55rem 1.25rem;box-shadow:0 16px 36px -28px rgba(20,48,40,.4)}
@media(min-width:640px){.detail-card{padding:2.1rem 2rem}}
.detail-card.featured{background:linear-gradient(160deg,rgba(20,48,40,.03),transparent 42%),var(--paper);border-color:#d7c9ae}
.detail-card h3{margin:0 0 1rem;font-family:var(--serif);font-size:1.3rem;color:var(--forest);font-weight:600}
.fact-row{display:grid;gap:1rem}
.fact{padding-bottom:.95rem;border-bottom:1px solid var(--line)}
.fact:last-child{border-bottom:0;padding-bottom:0}
.fact .label{display:block;font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-mute);font-weight:600;margin-bottom:.25rem}
.fact .value{margin:0;font-size:1.02rem;color:var(--ink);line-height:1.55;word-break:break-word}
.fact .value strong{font-family:var(--serif);font-size:1.15em;font-weight:600;color:var(--forest)}
.maplink{display:inline-flex;margin-top:.5rem;font-weight:600;font-size:.92rem;text-decoration:none;border-bottom:1px solid currentColor;min-height:44px;align-items:center}
.invite-copy p{margin:0 0 .75rem;color:var(--mute)}
.invite-copy p:last-child{margin-bottom:0}
.invite-copy strong{color:var(--ink)}

/* Program */
.program-band{margin-top:3.4rem;padding:2.8rem 0;background:linear-gradient(180deg,rgba(20,48,40,.035),transparent 28%),var(--cream-deep);border-block:1px solid var(--line)}
.program-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:.75rem}
@media(min-width:720px){.program-list{grid-template-columns:repeat(4,1fr);gap:1rem}}
.program-list li{background:var(--paper);border:1px solid var(--line);padding:1.2rem .85rem;text-align:center}
.program-list .num{display:block;font-family:var(--serif);font-size:.78rem;letter-spacing:.16em;color:var(--gold-mute);margin-bottom:.55rem}
.program-list .en{display:block;font-family:var(--serif);font-size:clamp(1.05rem,3.2vw,1.2rem);font-weight:600;color:var(--forest);line-height:1.25}
.program-list .zh{display:block;margin-top:.3rem;font-size:.85rem;color:var(--mute);letter-spacing:.08em}

/* Progress */
.progress-strip{margin-top:3.4rem;background:var(--forest);color:var(--cream);padding:1.35rem 0}
.progress-inner{display:grid;gap:.85rem}
@media(min-width:720px){.progress-inner{grid-template-columns:auto 1fr auto;gap:1.5rem;align-items:center}}
.prog-count{font-family:var(--serif);font-size:clamp(2rem,7vw,2.7rem);line-height:1;color:var(--gold-soft);white-space:nowrap}
.prog-count small{font-size:.45em;color:rgba(247,241,230,.65)}
.prog-copy{margin:0;font-size:.88rem;color:rgba(247,241,230,.78)}
.prog-copy b{color:#fff;font-weight:600}
.bar{height:10px;border-radius:99px;background:rgba(255,255,255,.12);overflow:hidden;margin:.55rem 0 .3rem}
.bar i{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,var(--gold-mute),var(--gold-soft));transition:width .8s ease}
.bar.full i{background:linear-gradient(90deg,var(--burgundy-bright),#c45a62)}
.prog-meta{display:flex;flex-wrap:wrap;gap:.3rem 1rem;font-size:.88rem;color:rgba(247,241,230,.8)}
.prog-meta b{color:#fff}

/* RSVP */
.rsvp{padding:3.4rem 0 4rem}
.rsvp-shell{background:var(--paper);border:1px solid var(--line);box-shadow:0 20px 50px -34px rgba(20,48,40,.5);overflow:hidden}
.rsvp-banner{background:linear-gradient(120deg,var(--forest) 0%,var(--forest-mid) 62%,#2a1a1c 100%);color:var(--cream);padding:1.55rem 1.2rem;text-align:center}
@media(min-width:640px){.rsvp-banner{padding:1.9rem 2.2rem}}
.rsvp-banner h2{margin:0;font-family:var(--serif);font-weight:600;font-size:clamp(1.5rem,5vw,2.05rem);color:#fff}
.rsvp-banner p{margin:.4rem 0 0;color:rgba(247,241,230,.78);font-size:.9rem}
.rsvp-body{padding:1.35rem 1.1rem 1.8rem}
@media(min-width:640px){.rsvp-body{padding:2rem 2.3rem 2.4rem}}
.notice{padding:.95rem 1rem;margin:0 0 1.25rem;font-size:.93rem;background:#f4eee3;border-left:3px solid var(--gold);color:var(--ink)}
.notice.full{background:#f8eaea;border-left-color:var(--burgundy);color:#4d171c}
.form-grid{display:grid;gap:0 .85rem}
@media(min-width:640px){.form-grid.two{grid-template-columns:1fr 1fr}.form-grid .span-2{grid-column:1/-1}}
label,legend{display:block;font-weight:600;font-size:.93rem;margin:1rem 0 .35rem}
.req{color:var(--burgundy)}.opt{font-weight:400;color:var(--mute);font-size:.82rem}
input,select,textarea{width:100%;max-width:100%;font:inherit;color:inherit;padding:.8rem .85rem;border:1px solid #d5c8b2;border-radius:8px;background:#fff;min-height:50px;-webkit-appearance:none;appearance:none}
select{padding-right:2.6rem;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 20 20' fill='none'%3E%3Cpath d='M5 7.5L10 12.5L15 7.5' stroke='%236b1d24' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .85rem center;background-size:1.1rem;cursor:pointer}
select:invalid{color:var(--mute)}
input:focus,select:focus,textarea:focus{border-color:var(--forest-mid);box-shadow:0 0 0 3px rgba(28,63,52,.12)}
textarea{min-height:108px;resize:vertical}
fieldset{border:0;padding:0;margin:0}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:.5rem}
.seg label{margin:0;font-weight:500;border:1px solid #d5c8b2;border-radius:8px;padding:.8rem .85rem;display:flex;gap:.5rem;align-items:center;cursor:pointer;background:#fff;min-height:50px}
.seg input{width:auto;min-height:0;accent-color:var(--forest);-webkit-appearance:auto;appearance:auto}
.seg label:has(input:checked){border-color:var(--forest-mid);background:#eef4f0}
.hint{color:var(--mute);font-size:.86rem;margin:.65rem 0 0}
.err{color:#a1262b;font-weight:600;min-height:1.25em;margin:.8rem 0 0}
#btn{width:100%;margin-top:1.2rem;border-radius:8px;background:var(--burgundy);color:#fff;font:inherit;font-weight:600;font-size:1.02rem;letter-spacing:.04em;min-height:54px;border:0;cursor:pointer}
#btn:hover{background:var(--burgundy-bright)}
#btn:disabled{opacity:.6;cursor:wait}
#btn.waitlist{background:var(--forest)}
#btn.waitlist:hover{background:var(--forest-mid)}
.result{text-align:center;padding:2rem 1.15rem 2.4rem}
.result h2{margin:.35rem 0 .9rem;font-family:var(--serif);font-size:clamp(1.55rem,5vw,2.1rem);color:var(--forest)}
.result.wait h2{color:var(--burgundy)}
.result p{margin:.5rem auto;color:var(--mute);max-width:34rem}
.result p strong{color:var(--ink)}
.badge{display:inline-block;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;padding:.28rem .65rem;border-radius:99px;background:#e6efe9;color:var(--forest);font-weight:700}
.result.wait .badge{background:#f8eaea;color:var(--burgundy)}

/* Footer */
.site-footer{background:var(--forest-deep);color:rgba(247,241,230,.72);text-align:center;padding:2.4rem 1.1rem 2.6rem;border-top:1px solid rgba(196,163,90,.22)}
.site-footer .f-zh{margin:0 0 .3rem;font-family:var(--serif);letter-spacing:.2em;color:var(--gold-soft);font-size:1rem;padding-left:.2em}
.site-footer p{margin:0;font-size:.86rem}
.site-footer .f-sub{margin-top:.3rem;opacity:.75}

/* Admin */
.admin .hero{min-height:0;padding:3.2rem 1.1rem 2.6rem}
.admin .hero h1{font-size:clamp(1.7rem,5.5vw,2.4rem)}
.admin main{width:min(1180px,calc(100% - 1.5rem));margin:-1.6rem auto 2.5rem;position:relative;z-index:2}
.admin .card{background:var(--paper);border:1px solid var(--line);padding:1.35rem 1.1rem;margin-bottom:1rem;box-shadow:0 12px 28px -22px rgba(20,48,40,.35)}
@media(min-width:640px){.admin .card{padding:1.7rem}}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.75rem;margin-bottom:1rem}
.stat{background:var(--paper);border:1px solid var(--line);padding:1rem .9rem}
.stat b{display:block;font-family:var(--serif);font-size:1.85rem;color:var(--forest);line-height:1.1}
.stat span{font-size:.78rem;color:var(--mute)}
.stat .bar{background:#ece3d3;margin-top:.65rem}
.stat .bar i{background:linear-gradient(90deg,var(--forest-mid),var(--forest))}
.stat .bar.full i{background:linear-gradient(90deg,var(--burgundy-bright),var(--burgundy))}
.toolbar{display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1rem}
button.sec{background:#fff;color:var(--forest);border:1px solid #cdbfa6;border-radius:8px;min-height:44px;padding:.65rem 1rem;font:inherit;font-weight:600;cursor:pointer}
button.sec:hover{background:#f4efe5}
button.small{padding:.4rem .7rem;min-height:36px;font-size:.82rem;border-radius:6px;background:var(--burgundy);color:#fff;border:0;font:inherit;font-weight:600;cursor:pointer}
button.small.sec{background:#fff;color:var(--forest);border:1px solid #cdbfa6}
table{width:100%;border-collapse:collapse;font-size:.85rem}
th{text-align:left;font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--mute);border-bottom:2px solid var(--line);padding:.5rem .4rem;white-space:nowrap}
td{border-bottom:1px solid var(--line);padding:.6rem .4rem;vertical-align:top;word-break:break-word}
tr:hover td{background:#fbf7ef}
.tw{overflow-x:auto;-webkit-overflow-scrolling:touch}
.admin h2{margin:0 0 .9rem;font-family:var(--serif);font-size:1.35rem;color:var(--forest)}
.admin #go{margin-top:1rem;background:var(--burgundy);color:#fff;border:0;border-radius:8px;min-height:48px;padding:.75rem 1.2rem;font:inherit;font-weight:600;cursor:pointer;width:100%}
@media(min-width:480px){.admin #go{width:auto}}
.admin #go:hover{background:var(--burgundy-bright)}