/* Souvenirs: Liquid Glass family, accent lagoon. Shared by the guest page (g.html) and the owner app (index.html). */
:root{
  color-scheme: light dark;
  --base:#E6F3F6; --ink:#0A1A1F; --sec:rgba(10,26,31,.66); --hair:rgba(10,26,31,.13);
  --glass:rgba(255,255,255,.52); --glass-strong:rgba(240,249,251,.86); --glass-solid:#F0F9FB;
  --glass-edge:rgba(255,255,255,.80); --glass-hi:rgba(255,255,255,.95); --glass-shadow:0 10px 30px rgba(10,80,100,.12);
  --well:rgba(255,255,255,.62); --scrim:rgba(0,20,28,.30); --track:rgba(10,26,31,.12);
  --accent:#0A7F9E; --accent-text:#065A70; --accent-soft:rgba(10,127,158,.14); --late:#B42318; --heart:#E0475E;
  --sand:#F6C453; --print:#FFFFFF;
  --orbs: radial-gradient(circle at 10% 4%, rgba(10,170,200,.34), transparent 42%),
          radial-gradient(circle at 96% 24%, rgba(120,220,225,.42), transparent 40%),
          radial-gradient(circle at 6% 74%, rgba(40,160,160,.20), transparent 44%),
          radial-gradient(circle at 92% 96%, rgba(246,196,83,.20), transparent 42%);
  --blur:blur(26px) saturate(180%);
  --ease:cubic-bezier(.2,.9,.25,1);
}
@media (prefers-color-scheme: dark){
  :root{
    --base:#04090B; --ink:#EAF8FB; --sec:rgba(234,248,251,.68); --hair:rgba(255,255,255,.12);
    --glass:rgba(16,44,54,.46); --glass-strong:rgba(7,22,28,.90); --glass-solid:#0A1A20;
    --glass-edge:rgba(255,255,255,.13); --glass-hi:rgba(255,255,255,.18); --glass-shadow:0 10px 30px rgba(0,0,0,.4);
    --well:rgba(255,255,255,.07); --scrim:rgba(0,0,0,.55); --track:rgba(255,255,255,.14);
    --accent:#0A7F9E; --accent-text:#8FDDF2; --accent-soft:rgba(110,210,235,.16); --late:#FF7B6B; --heart:#FF8DA0;
    --orbs: radial-gradient(circle at 8% 4%, rgba(8,110,140,.55), transparent 44%),
            radial-gradient(circle at 96% 26%, rgba(20,130,140,.32), transparent 40%),
            radial-gradient(circle at 8% 72%, rgba(10,80,110,.40), transparent 44%),
            radial-gradient(circle at 90% 96%, rgba(120,100,30,.26), transparent 42%);
    --blur:blur(26px) saturate(170%);
  }
  .btn.primary,.fab{box-shadow:inset 0 1px 0 rgba(255,255,255,.25),0 8px 20px rgba(0,0,0,.4)}
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{background:var(--base)}
body{margin:0;min-height:100dvh;color:var(--ink);font:16px/1.4 Geist,-apple-system,system-ui,sans-serif;-webkit-font-smoothing:antialiased;
  padding:0 env(safe-area-inset-right) 0 env(safe-area-inset-left)}
html:has(dialog[open]){overflow:hidden}
.bg{position:fixed;inset:0;background:var(--orbs),var(--base);z-index:-1}
button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0;padding:0}
button:disabled{cursor:default;opacity:.4}
a{color:var(--accent-text);text-underline-offset:3px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
[hidden]{display:none!important}
::selection{background:color-mix(in srgb,var(--accent) 28%,transparent)}
input,textarea{caret-color:var(--accent)}
::placeholder{color:var(--sec);opacity:1}
svg.i{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
.glass{background:var(--glass);-webkit-backdrop-filter:var(--blur);backdrop-filter:var(--blur);border:1px solid var(--glass-edge);
  box-shadow:inset 0 1px 0 var(--glass-hi),var(--glass-shadow)}
@media (prefers-reduced-transparency: reduce){
  .glass,.sheet{-webkit-backdrop-filter:none!important;backdrop-filter:none!important;background:var(--glass-solid)!important}
}
h1{margin:0;font-size:36px;font-weight:800;letter-spacing:-.035em;line-height:1.05;text-wrap:balance}
h2{margin:0;font-size:21px;font-weight:700;letter-spacing:-.03em}
.section-label{margin:0;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--sec)}
.quiet{margin:0;color:var(--sec);font-size:15px;line-height:1.45;text-wrap:pretty}
.hint{margin:-6px 6px 0;font-size:14px;line-height:1.45;color:var(--sec);text-wrap:pretty}

/* faces: a nickname's initial on a soft well */
.face{position:relative;display:inline-grid;place-items:center;flex:none;width:28px;height:28px;border-radius:50%;overflow:hidden;
  background:var(--accent-soft);color:var(--accent-text);font-size:13px;font-weight:700}
.face.l{width:38px;height:38px;font-size:16px}

.round{position:relative;width:44px;height:44px;border-radius:50%;display:grid;place-items:center;flex:none;color:var(--accent-text)}
.fab{position:fixed;right:max(20px,calc(50% - 280px));bottom:calc(24px + env(safe-area-inset-bottom));z-index:8;height:56px;padding:0 22px;border-radius:999px;
  display:inline-flex;align-items:center;gap:8px;font-size:16px;font-weight:700;background:var(--accent);color:#fff;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 12px 26px color-mix(in srgb,var(--accent) 40%,transparent)}
.fab:active,.btn:active,.chip:active,.soft-btn:active{transform:scale(.97)}
.fab:disabled{background:var(--well);color:var(--sec);box-shadow:none;opacity:1}
.btn{height:54px;padding:0 22px;border-radius:999px;font-size:17px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;text-decoration:none}
.btn.primary{background:var(--accent);color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 8px 20px color-mix(in srgb,var(--accent) 35%,transparent)}
.btn.soft{background:var(--accent-soft);color:var(--accent-text)}
.btn svg{width:22px;height:22px}
.soft-btn{height:38px;padding:0 14px;border-radius:999px;font-size:14px;font-weight:650;background:var(--accent-soft);color:var(--accent-text);white-space:nowrap;flex:none;display:inline-flex;align-items:center;justify-content:center;gap:6px}
.soft-btn svg{width:18px;height:18px}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.chip{height:38px;padding:0 15px;border-radius:999px;font-size:14px;font-weight:650;background:var(--well);border:.5px solid var(--hair);color:var(--ink);white-space:nowrap;display:inline-flex;align-items:center;gap:6px;flex:none}
.chip[aria-pressed="true"]{background:var(--ink);color:var(--base);border-color:transparent}
.chip svg{width:16px;height:16px}
.link{min-height:44px;font-size:15px;font-weight:650;color:var(--accent-text);text-decoration:underline;text-underline-offset:3px}

/* sheets */
.sheet{position:fixed;inset:auto 0 0;margin:0 auto;width:min(100%,560px);max-width:100%;max-height:calc(100dvh - env(safe-area-inset-top) - 12px);
  padding:0 16px calc(24px + env(safe-area-inset-bottom));border:1px solid var(--glass-edge);border-bottom:0;border-radius:34px 34px 0 0;color:var(--ink);
  background:var(--glass-strong);-webkit-backdrop-filter:blur(40px) saturate(190%);backdrop-filter:blur(40px) saturate(190%);
  box-shadow:inset 0 1px 0 var(--glass-hi),0 -10px 40px rgba(0,0,0,.18);overflow-y:auto;overscroll-behavior:contain}
.sheet[open]{animation:sheet-in .42s var(--ease)}
.sheet::backdrop{background:var(--scrim)}
@keyframes sheet-in{from{transform:translateY(100%)}}
.sheet.tall{height:calc(100dvh - env(safe-area-inset-top) - 12px)}
.sheet-head{position:sticky;top:0;z-index:2;margin:0 -16px;padding:8px 16px 10px;display:grid;grid-template-columns:44px 1fr 44px;align-items:center;gap:8px;
  background:linear-gradient(var(--glass-strong) 70%,transparent)}
.sheet-head::before{content:"";grid-column:1/-1;justify-self:center;width:38px;height:5px;border-radius:999px;background:var(--hair);margin-bottom:6px}
.sheet-head h2{font-size:17px;text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.icon-btn{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;flex:none;color:inherit}
.icon-btn.primary{background:var(--accent);color:#fff}
.sheet-body{display:flex;flex-direction:column;gap:20px;padding-top:6px}
.sheet-body .section-label{margin:10px 6px -6px;line-height:1.3}
.group{background:var(--well);border-radius:22px;border:.5px solid var(--hair);overflow:hidden}
.field{display:flex;align-items:center;gap:12px;min-height:54px;padding:0 16px;border-bottom:.5px solid var(--hair);width:100%;text-align:left}
.field:last-child{border-bottom:0}
.field svg{color:var(--sec)}
.field input[type=text],.field input[type=date],.field input:not([type]){flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:16px;font-weight:500;padding:15px 0}
.field > span:first-child{flex:none}
.field.invalid{box-shadow:inset 0 0 0 2px var(--late);border-radius:22px}
.field.toggle{justify-content:space-between;cursor:pointer}
.field.toggle span{flex:1}
.field.toggle small{display:block;font-size:13px;color:var(--sec)}
.switch{appearance:none;-webkit-appearance:none;width:51px;height:31px;border-radius:999px;background:var(--track);position:relative;flex:none;cursor:pointer;transition:background .2s;margin:0}
.switch::after{content:"";position:absolute;top:2px;left:2px;width:27px;height:27px;border-radius:50%;background:#fff;box-shadow:0 2px 4px rgba(0,0,0,.2);transition:transform .25s var(--ease)}
.switch:checked{background:var(--accent)}
.switch:checked::after{transform:translateX(20px)}
.seg{display:flex;padding:3px;border-radius:999px;background:var(--well);border:.5px solid var(--hair)}
.seg button{flex:1;min-height:38px;padding:0 10px;border-radius:999px;font-size:14px;font-weight:650;color:var(--sec)}
.seg button[aria-pressed="true"]{background:var(--accent);color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.3)}
.stack{display:flex;flex-direction:column;gap:20px}
.danger{color:var(--late);font-weight:600;min-height:50px;text-align:center}

.toast{position:fixed;left:50%;bottom:calc(96px + env(safe-area-inset-bottom));transform:translateX(-50%);z-index:30;padding:13px 18px;border-radius:999px;font-weight:600;
  display:flex;align-items:center;gap:12px;max-width:calc(100vw - 32px);text-align:center}
.toast button{height:36px;padding:0 14px;border-radius:999px;background:var(--well);color:var(--accent-text);font-weight:700}

@media (prefers-reduced-motion: reduce){*{animation:none!important;transition:none!important}}
@media (min-width: 744px){
  h1{font-size:44px}
  .toast{bottom:104px}
  .sheet{bottom:auto;top:50%;transform:translateY(-50%);border-radius:34px;border-bottom:1px solid var(--glass-edge)}
  .sheet.tall{height:min(760px,calc(100dvh - 48px))}
  .sheet[open]{animation:fade .25s}
  @keyframes fade{from{opacity:0}}
}
.face img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.field select{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:16px;font-weight:500;padding:15px 0;text-align:right;color:var(--accent-text)}