/* ============================================================
   undang.digital — tema undangan 3D (Lentera, Kelopak, Samudra).
   Kanvas WebGL tetap di belakang; konten menggulir di atasnya
   dalam panel kaca. Mobile-first.
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: auto; }
body {
  margin: 0; min-height: 100dvh; overflow-x: hidden;
  background: var(--bg-grad); color: var(--ink);
  font-family: var(--f-body); font-size: 15px; line-height: 1.7; -webkit-font-smoothing: antialiased;
}
body.is-locked { overflow: hidden; height: 100dvh; }
[hidden] { display: none !important; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
a { color: inherit; }

/* ---------------------------------------------------------- tema */
body[data-theme="lentera"] {
  --bg: #070b1a; --bg-grad: radial-gradient(120% 80% at 50% 100%, #3a2a3c 0%, #121a35 45%, #070b1a 100%);
  --ink: #f6ecd8; --muted: #bdb29c; --accent: #f2b45c; --accent-ink: #1a1206;
  --panel: rgba(9, 13, 30, .52); --line: rgba(242, 180, 92, .26); --glow: rgba(242, 180, 92, .35);
  --f-script: "Pinyon Script", cursive; --f-head: "Cormorant Garamond", Georgia, serif; --f-body: "Jost", system-ui, sans-serif;
  --veil: radial-gradient(130% 90% at 50% 40%, transparent 40%, rgba(3, 5, 14, .55) 100%);
}
body[data-theme="kelopak"] {
  --bg: #fbe9ee; --bg-grad: linear-gradient(180deg, #ffe9ef 0%, #fbdde6 55%, #f6cfdb 100%);
  --ink: #4b2a36; --muted: #8a6571; --accent: #c2577c; --accent-ink: #fff;
  --panel: rgba(255, 249, 250, .62); --line: rgba(194, 87, 124, .22); --glow: rgba(255, 255, 255, .7);
  --f-script: "Great Vibes", cursive; --f-head: "Cormorant Garamond", Georgia, serif; --f-body: "Lato", system-ui, sans-serif;
  --veil: radial-gradient(130% 90% at 50% 40%, transparent 50%, rgba(120, 50, 75, .16) 100%);
}
body[data-theme="samudra"] {
  --bg: #1a2a44; --bg-grad: linear-gradient(180deg, #ffb487 0%, #c9708a 35%, #3b4a78 70%, #142540 100%);
  --ink: #fff6ec; --muted: #ead8cb; --accent: #ffa477; --accent-ink: #2a1408;
  --panel: rgba(16, 28, 54, .46); --line: rgba(255, 214, 186, .28); --glow: rgba(255, 164, 119, .4);
  --f-script: "Alex Brush", cursive; --f-head: "Marcellus", Georgia, serif; --f-body: "Nunito Sans", system-ui, sans-serif;
  --veil: radial-gradient(130% 90% at 50% 40%, transparent 45%, rgba(8, 14, 30, .45) 100%);
}

/* ---------------------------------------------------------- kanvas */
#gl { position: fixed; inset: 0; width: 100%; height: 100%; display: block; z-index: 0; opacity: 0; transition: opacity 1.2s ease; }
body.has-gl.is-ready #gl { opacity: 1; }
.veil { position: fixed; inset: 0; z-index: 1; pointer-events: none; background: var(--veil); }

/* ---------------------------------------------------------- tipografi */
.script { font-family: var(--f-script); font-weight: 400; line-height: 1.05; }
.head { font-family: var(--f-head); font-weight: 600; font-size: clamp(28px, 6vw, 40px); line-height: 1.15; margin: 4px 0 18px; letter-spacing: .01em; }
.eyebrow { margin: 0; font-size: 11px; letter-spacing: .32em; text-transform: uppercase; color: var(--accent); }
.lead { margin: 0 0 22px; color: var(--muted); }
.text-shadow, .cover, .sec-hero { text-shadow: 0 1px 2px rgba(0, 0, 0, .25), 0 2px 22px rgba(0, 0, 0, .25); }
body[data-theme="kelopak"] .cover, body[data-theme="kelopak"] .sec-hero { text-shadow: 0 1px 18px rgba(255, 255, 255, .9); }

/* ---------------------------------------------------------- tombol */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 24px; border-radius: 999px; border: 1px solid var(--accent);
  font-size: 12px; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; text-decoration: none;
  transition: transform .3s, background .3s, color .3s, box-shadow .3s;
}
.btn:hover { transform: translateY(-1px); }
.btn:focus-visible, .dock-i:focus-visible, .g-item:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.btn-solid { background: var(--accent); color: var(--accent-ink); box-shadow: 0 8px 30px -8px var(--glow); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: color-mix(in srgb, var(--accent) 16%, transparent); }
.btn-sm { padding: 9px 16px; font-size: 10.5px; }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }

/* ---------------------------------------------------------- loader */
.pre { position: fixed; inset: 0; z-index: 300; display: grid; place-content: center; justify-items: center; gap: 18px; background: var(--bg); transition: opacity .9s ease, visibility .9s; }
.pre.done { opacity: 0; visibility: hidden; }
.pre-ring { width: 44px; height: 44px; border-radius: 50%; border: 1.5px solid var(--line); border-top-color: var(--accent); animation: spin 1s linear infinite; }
.pre.err .pre-ring { animation: none; border-color: var(--line); }
.pre-msg { margin: 0; font-size: 13px; letter-spacing: .08em; color: var(--muted); text-align: center; padding: 0 24px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------------------------------------------------------- sampul */
.cover { position: fixed; inset: 0; z-index: 100; display: grid; place-items: end center; padding: 24px 24px calc(64px + env(safe-area-inset-bottom)); text-align: center; transition: opacity 1.4s ease, transform 1.6s cubic-bezier(.2, .7, .1, 1), visibility 1.4s; }
@media (min-height: 700px) { .cover { place-items: center; padding-top: 32vh; } }
body.is-open .cover { opacity: 0; visibility: hidden; transform: translateY(-40px) scale(.98); pointer-events: none; }
.cover-in { display: grid; justify-items: center; gap: 14px; max-width: 520px; opacity: 0; transform: translateY(16px); transition: opacity 1.2s .3s, transform 1.2s .3s; }
body.is-ready .cover-in { opacity: 1; transform: none; }
.cover-names { margin: 2px 0 0; font-size: clamp(58px, 15vw, 104px); display: grid; justify-items: center; }
.cover-names i, .hero-names i, .end-names i { font-family: var(--f-head); font-style: italic; font-weight: 400; font-size: .42em; color: var(--accent); line-height: 1; margin: .1em 0; }
.cover-date { margin: 0; font-family: var(--f-head); font-size: 15px; letter-spacing: .3em; }
.cover-guest { display: grid; gap: 4px; padding: 14px 26px; margin: 8px 0 6px; border-radius: 16px; border: 1px solid var(--line); background: var(--panel); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); text-shadow: none; }
.cover-guest span { font-size: 11px; letter-spacing: .1em; color: var(--muted); }
.cover-guest b { font-family: var(--f-head); font-size: 22px; font-weight: 600; }

/* ---------------------------------------------------------- konten */
main { position: relative; z-index: 10; }
body.is-locked main { visibility: hidden; }
.sec { min-height: 100svh; display: grid; place-items: center; padding: 14vh 18px; }
.sec + .sec { margin-top: -6vh; }
.panel {
  width: min(560px, 100%); padding: 34px 26px; border-radius: 26px; text-align: center;
  background: var(--panel); border: 1px solid var(--line);
  backdrop-filter: blur(14px) saturate(1.15); -webkit-backdrop-filter: blur(14px) saturate(1.15);
  box-shadow: 0 30px 80px -40px rgba(0, 0, 0, .55);
}
@media (min-width: 720px) { .panel { padding: 44px 46px; } }
.reveal { opacity: 0; transform: translateY(46px) scale(.97); transition: opacity 1.1s ease, transform 1.3s cubic-bezier(.2, .7, .1, 1); }
.reveal.in { opacity: 1; transform: none; }

/* hero */
.sec-hero { min-height: 100svh; padding-top: 12vh; }
.hero-in { display: grid; justify-items: center; gap: 14px; text-align: center; }
.hero-names { margin: 6px 0; font-size: clamp(64px, 17vw, 128px); display: grid; justify-items: center; }
.hero-date { margin: 0; font-family: var(--f-head); font-size: 19px; letter-spacing: .06em; }
.countdown { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 12px 0 6px; text-shadow: none; }
.cd { min-width: 70px; padding: 12px 6px; border-radius: 16px; background: var(--panel); border: 1px solid var(--line); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.cd b { display: block; font-family: var(--f-head); font-size: 28px; font-weight: 600; line-height: 1.1; font-variant-numeric: tabular-nums; }
.cd span { font-size: 10px; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.scroll-hint { margin: 30px 0 0; font-size: 10px; letter-spacing: .34em; text-transform: uppercase; color: var(--muted); }
.scroll-hint::after { content: ""; display: block; width: 1px; height: 38px; margin: 12px auto 0; background: linear-gradient(var(--accent), transparent); animation: drip 2.2s ease-in-out infinite; transform-origin: top; }
@keyframes drip { 0% { transform: scaleY(0); } 50% { transform: scaleY(1); } 100% { transform: scaleY(1); opacity: 0; } }

/* kutipan */
.panel-quote { background: transparent; border-color: transparent; box-shadow: none; backdrop-filter: none; -webkit-backdrop-filter: none; }
.quote { margin: 0; font-family: var(--f-head); font-style: italic; font-size: clamp(19px, 4.6vw, 25px); line-height: 1.6; text-shadow: 0 1px 20px rgba(0, 0, 0, .35); }
body[data-theme="kelopak"] .quote { text-shadow: 0 1px 18px rgba(255, 255, 255, .95); }
.quote-src { margin: 18px 0 0; font-size: 11px; letter-spacing: .3em; text-transform: uppercase; color: var(--accent); }

/* mempelai */
.couple { display: grid; gap: 6px; justify-items: center; }
.person { display: grid; justify-items: center; gap: 4px; }
.person-photo { width: 150px; aspect-ratio: 3 / 4; margin-bottom: 10px; border-radius: 999px 999px 18px 18px; overflow: hidden; border: 1px solid var(--line); padding: 5px; background: color-mix(in srgb, var(--accent) 10%, transparent); }
.person-photo img { width: 100%; height: 100%; object-fit: cover; border-radius: inherit; }
.person-nick { margin: 0; font-size: 52px; color: var(--accent); }
.person-name { margin: 0; font-family: var(--f-head); font-size: 21px; font-weight: 600; }
.person-parents { margin: 2px 0 0; font-size: 13.5px; color: var(--muted); max-width: 340px; }
.person-ig { margin-top: 4px; font-size: 13px; color: var(--accent); text-decoration: none; }
.couple-amp { font-family: var(--f-head); font-style: italic; font-size: 44px; color: var(--accent); margin: 10px 0; opacity: .8; }

/* acara */
.events { display: grid; gap: 14px; }
.event { padding: 22px 18px; border-radius: 20px; border: 1px solid var(--line); background: color-mix(in srgb, var(--accent) 6%, transparent); }
.event-title { margin: 0 0 6px; font-family: var(--f-head); font-size: 26px; font-weight: 600; }
.event-date { margin: 0; font-weight: 600; }
.event-time { margin: 0; color: var(--accent); font-size: 14px; letter-spacing: .06em; }
.event-place { margin: 12px 0 0; font-family: var(--f-head); font-size: 18px; font-weight: 600; }
.event-addr { margin: 2px 0 0; font-size: 13.5px; color: var(--muted); }
.event .btn-row { justify-content: center; }

/* kisah */
.timeline { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; text-align: left; position: relative; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 1px; background: var(--line); }
.tl-item { position: relative; padding: 0 0 22px 32px; display: grid; gap: 2px; }
.tl-item::before { content: ""; position: absolute; left: 1px; top: 6px; width: 13px; height: 13px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 20%, transparent), 0 0 18px var(--glow); }
.tl-year { font-size: 11px; letter-spacing: .26em; color: var(--accent); }
.tl-title { font-family: var(--f-head); font-size: 20px; }
.tl-text { margin: 0; font-size: 14px; color: var(--muted); }

/* galeri */
/* pola 6 foto: 1 besar (2x2) + 2 di kanan + 3 sebaris; tinggi baris mengikuti foto kecil 3:4 */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; grid-auto-flow: row dense; }
.g-item { aspect-ratio: 3 / 4; overflow: hidden; border-radius: 12px; background: var(--line); }
.g-item:nth-child(6n + 1) { grid-column: span 2; grid-row: span 2; aspect-ratio: auto; }
.g-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s cubic-bezier(.2, .7, .1, 1); }
.g-item:hover img { transform: scale(1.06); }
.lightbox { position: fixed; inset: 0; z-index: 260; display: grid; place-items: center; padding: 20px; background: rgba(4, 6, 12, .94); }
.lightbox img { max-width: 100%; max-height: 88vh; object-fit: contain; border-radius: 8px; }
.lb-x { position: absolute; top: 12px; right: 16px; font-size: 34px; line-height: 1; color: #fff; width: 44px; height: 44px; }

/* amplop */
.gifts { display: grid; gap: 12px; }
.gift { display: grid; justify-items: center; gap: 4px; padding: 22px 18px; border-radius: 20px; border: 1px solid var(--line); background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 16%, transparent), transparent 70%); }
.gift-bank { font-size: 11px; letter-spacing: .26em; text-transform: uppercase; color: var(--accent); }
.gift-no { font-family: var(--f-head); font-size: 26px; letter-spacing: .08em; font-variant-numeric: tabular-nums; }
.gift-holder, .gift-addr { margin: 0; font-size: 13.5px; color: var(--muted); }
.gift .btn { margin-top: 8px; }

/* rsvp */
.rsvp { display: grid; gap: 14px; text-align: left; }
.rsvp-row { display: grid; grid-template-columns: 1fr 120px; gap: 10px; }
.field { display: grid; gap: 6px; }
.field > span { font-size: 10.5px; letter-spacing: .22em; text-transform: uppercase; color: var(--muted); }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border-radius: 14px; border: 1px solid var(--line); outline: none; resize: vertical;
  background: color-mix(in srgb, var(--bg) 35%, transparent); font-size: 15px;
}
body[data-theme="kelopak"] .field input, body[data-theme="kelopak"] .field select, body[data-theme="kelopak"] .field textarea { background: rgba(255, 255, 255, .7); }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); }
.field select option { background: var(--bg); color: var(--ink); }
.field select:disabled { opacity: .5; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.rsvp .btn { width: 100%; }
.status { margin: 0; min-height: 1.3em; font-size: 13px; color: var(--muted); text-align: center; }
.status.err { color: #ff7a7a; }
body[data-theme="kelopak"] .status.err { color: #b3261e; }
.wish-head { margin: 28px 0 8px; font-size: 11px; letter-spacing: .26em; text-transform: uppercase; color: var(--muted); text-align: left; }
.wish-head b { color: var(--accent); }
.wishes { list-style: none; margin: 0; padding: 0 4px 0 0; max-height: 360px; overflow: auto; text-align: left; }
.wish { padding: 14px 0; border-top: 1px solid var(--line); }
.wish-top { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; }
.wish-top b { font-size: 14.5px; word-break: break-word; }
.wish-att { font-size: 10px; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); }
.wish-t { margin-left: auto; font-size: 11px; color: var(--muted); }
.wish p { margin: 4px 0 0; font-size: 14px; color: var(--muted); white-space: pre-line; word-break: break-word; }
.empty { color: var(--muted); font-size: 14px; padding: 8px 0; }

/* penutup */
.panel-end .lead { margin-bottom: 28px; }
.end-names { margin: 6px 0 4px; font-size: clamp(54px, 14vw, 84px); display: grid; justify-items: center; color: var(--accent); }
.end-thanks { margin: 10px 0 0; font-family: var(--f-head); font-size: 18px; letter-spacing: .3em; text-transform: uppercase; }
.credit { display: inline-block; margin-top: 30px; font-size: 11px; letter-spacing: .14em; color: var(--muted); text-decoration: none; opacity: .8; }
.credit:hover { opacity: 1; color: var(--accent); }
main > .sec:last-child { padding-bottom: calc(18vh + 70px); }

/* ---------------------------------------------------------- dock & musik */
.dock {
  position: fixed; z-index: 90; left: 50%; bottom: calc(14px + env(safe-area-inset-bottom)); transform: translateX(-50%);
  display: flex; gap: 2px; padding: 6px; border-radius: 999px; background: var(--panel); border: 1px solid var(--line);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); animation: rise .9s 1.4s both cubic-bezier(.2, .7, .1, 1);
}
.dock-i { display: grid; justify-items: center; gap: 1px; min-width: 54px; padding: 6px 8px 4px; border-radius: 999px; text-decoration: none; color: var(--muted); transition: color .3s, background .3s; }
.dock-i span { font-size: 9.5px; letter-spacing: .06em; }
.dock-i:hover { color: var(--ink); background: color-mix(in srgb, var(--accent) 14%, transparent); }
@keyframes rise { from { opacity: 0; transform: translate(-50%, 30px); } }
.music {
  position: fixed; z-index: 91; right: 16px; bottom: calc(84px + env(safe-area-inset-bottom));
  width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; color: var(--ink);
  background: var(--panel); border: 1px solid var(--line); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}
.music.on { color: var(--accent); border-color: var(--accent); }
.music.on svg { animation: spin 5s linear infinite; }
.preview-tag { position: fixed; z-index: 120; top: 10px; left: 50%; transform: translateX(-50%); padding: 7px 14px; border-radius: 999px; font-size: 11px; letter-spacing: .05em; white-space: nowrap; background: var(--panel); border: 1px solid var(--accent); backdrop-filter: blur(8px); }

@media (prefers-reduced-motion: reduce) {
  .reveal { transition: opacity .4s; transform: none; }
  .scroll-hint::after, .music.on svg { animation: none; }
}

/* samudra: langit senja terang, aksen teks dibuat lebih terang agar terbaca */
body[data-theme="samudra"] .cover .eyebrow, body[data-theme="samudra"] .sec-hero .eyebrow { color: #fff1e2; text-shadow: 0 1px 12px rgba(80, 30, 40, .7); }
body[data-theme="samudra"] .sec-hero .btn-ghost { background: rgba(16, 28, 54, .45); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }

/* foto sampul di hero */
.hero-photo { width: min(230px, 58vw); aspect-ratio: 3 / 4; padding: 6px; border-radius: 999px 999px 24px 24px; border: 1px solid var(--line); background: var(--panel); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: 0 24px 60px -30px rgba(0, 0, 0, .6); margin-bottom: 6px; }
.hero-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 25%; border-radius: inherit; }
.sec-hero { padding-top: 9vh; padding-bottom: 9vh; }

/* ---------------------------------------------------------- tema adat */
body[data-theme="joglo"] {
  --bg: #1c120b; --bg-grad: linear-gradient(180deg, #e9a65a 0%, #8a4a25 40%, #2a1a10 75%, #1c120b 100%);
  --ink: #f8ecd4; --muted: #d8c4a2; --accent: #d9a84e; --accent-ink: #20140a;
  --panel: rgba(36, 22, 12, .58); --line: rgba(217, 168, 78, .3); --glow: rgba(217, 168, 78, .4);
  --f-script: "Pinyon Script", cursive; --f-head: "Cinzel", Georgia, serif; --f-body: "Montserrat", system-ui, sans-serif;
  --veil: radial-gradient(130% 90% at 50% 40%, transparent 45%, rgba(20, 10, 4, .5) 100%);
}
body[data-theme="melayu"] {
  --bg: #0b2a22; --bg-grad: linear-gradient(180deg, #123d33 0%, #0b2a22 60%, #071a15 100%);
  --ink: #fbf3da; --muted: #d6cfae; --accent: #f0c23a; --accent-ink: #1d1704;
  --panel: rgba(7, 34, 27, .56); --line: rgba(240, 194, 58, .3); --glow: rgba(240, 194, 58, .4);
  --f-script: "Italianno", cursive; --f-head: "Cormorant SC", Georgia, serif; --f-body: "Lora", Georgia, serif;
  --veil: radial-gradient(130% 90% at 50% 40%, transparent 45%, rgba(3, 14, 10, .55) 100%);
}
body[data-theme="bugis"] {
  --bg: #2a0d0c; --bg-grad: linear-gradient(180deg, #f2a65e 0%, #b8452e 40%, #4a1512 75%, #2a0d0c 100%);
  --ink: #fff3e4; --muted: #f0d3bf; --accent: #e8b44a; --accent-ink: #2a0d0c;
  --panel: rgba(58, 14, 12, .55); --line: rgba(232, 180, 74, .32); --glow: rgba(232, 180, 74, .4);
  --f-script: "Great Vibes", cursive; --f-head: "Playfair Display", Georgia, serif; --f-body: "Poppins", system-ui, sans-serif;
  --veil: radial-gradient(130% 90% at 50% 40%, transparent 45%, rgba(25, 5, 4, .5) 100%);
}
body[data-theme="madura"] {
  --bg: #3a1408; --bg-grad: linear-gradient(180deg, #ffd27a 0%, #f08a3c 40%, #8c2a12 75%, #3a1408 100%);
  --ink: #fff7e8; --muted: #f6dcc0; --accent: #ffcf3f; --accent-ink: #3a1408;
  --panel: rgba(74, 20, 8, .52); --line: rgba(255, 207, 63, .34); --glow: rgba(255, 207, 63, .4);
  --f-script: "Kaushan Script", cursive; --f-head: "Philosopher", Georgia, serif; --f-body: "Nunito", system-ui, sans-serif;
  --veil: radial-gradient(130% 90% at 50% 40%, transparent 45%, rgba(30, 8, 2, .5) 100%);
}