:root {
  --bg-a: #fdf4e6;
  --bg-b: #ffe3c7;
  --card: #fffdf8;
  --ink: #2f2824;
  --muted: #6a5d55;
  --accent: #d97745;
  --accent-2: #c98a2e;
  --ok: #156d3d;
  --err: #9f1d23;
  --opa-image: url('/images/opa.jpg');
}

* {
  box-sizing: border-box;
}

body {
  position: relative;
  overflow-x: hidden;
  margin: 0;
  min-height: 100vh;
  font-family: "IBM Plex Sans", "Segoe UI", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 15% 8%, #ffd59f, transparent 42%),
    radial-gradient(circle at 88% 78%, #ffe8be, transparent 45%),
    linear-gradient(130deg, var(--bg-a), #fff6e9 58%, #f4fbff);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to left, rgba(255, 247, 235, 0.16), rgba(255, 247, 235, 0.64) 56%, rgba(255, 247, 235, 0.9) 72%),
    var(--opa-image);
  background-repeat: no-repeat, no-repeat;
  background-position: right center, right center;
  background-size: cover, auto 100%;
  opacity: 0.5;
  filter: saturate(1.1) contrast(1.04);
  z-index: 0;
  -webkit-mask-image: radial-gradient(120% 95% at 100% 50%, #000 46%, rgba(0, 0, 0, 0.68) 69%, transparent 100%);
  mask-image: radial-gradient(120% 95% at 100% 50%, #000 46%, rgba(0, 0, 0, 0.68) 69%, transparent 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(circle at 10% 16%, rgba(217, 119, 69, 0.18) 0 2px, transparent 3px),
    radial-gradient(circle at 22% 8%, rgba(201, 138, 46, 0.14) 0 2px, transparent 3px),
    radial-gradient(circle at 30% 18%, rgba(25, 100, 126, 0.1) 0 2px, transparent 3px);
  background-size: 240px 180px, 280px 210px, 300px 200px;
  opacity: 0.28;
}

.page {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 24px clamp(18px, 5vw, 48px);
}

.card {
  position: relative;
  overflow: hidden;
  width: min(840px, 100%);
  margin-right: auto;
  border-radius: 18px;
  background: rgba(255, 253, 248, 0.94);
  backdrop-filter: blur(1px);
  border: 2px solid rgba(201, 138, 46, 0.16);
  box-shadow: 0 20px 45px rgba(72, 49, 33, 0.14);
  padding: 28px;
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 7px;
  background: linear-gradient(90deg, #e8a34f, #d97745 50%, #f1c078);
}

.eyebrow {
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #9f6a1a;
  font-weight: 700;
  margin: 4px 0 2px;
}

.occasion {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 600;
}

h1 {
  margin: 10px 0 14px;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  color: #2f2824;
}

h2 {
  margin: 14px 0;
  font-size: 1.15rem;
}

.status {
  color: var(--muted);
}

.group {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}

label {
  font-weight: 600;
}

input:not([type="checkbox"]),
textarea,
select {
  width: 100%;
  border: 1px solid #d4dbe0;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 1rem;
}

.member {
  border: 1px solid #e4e7ea;
  border-radius: 12px;
  padding: 14px;
  margin-bottom: 10px;
  background: #fff;
}

.member-row {
  display: grid;
  gap: 8px;
  align-items: start;
}

.member-name {
  font-size: 1.05rem;
}

.member-options {
  display: grid;
  gap: 10px;
  margin-top: 8px;
}

.choice-card {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid #dbe6ea;
  border-radius: 10px;
  background: #fffaf1;
  font-weight: 600;
  width: fit-content;
}

.choice-card input[type="checkbox"] {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--accent-2);
}

button {
  border: 0;
  background: linear-gradient(120deg, var(--accent), #e59354);
  color: white;
  border-radius: 12px;
  padding: 12px 18px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(174, 94, 42, 0.3);
  transition: transform 140ms ease, filter 140ms ease, box-shadow 140ms ease;
}

button:hover {
  filter: brightness(1.05);
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(174, 94, 42, 0.33);
}

.hidden {
  display: none;
}

.result {
  margin-top: 12px;
  font-weight: 600;
}

.result.ok {
  color: var(--ok);
}

.result.err {
  color: var(--err);
}

@media (max-width: 640px) {
  body::before {
    background-size: cover, cover;
    background-position: center top, center top;
    opacity: 0.24;
    -webkit-mask-image: radial-gradient(120% 120% at 50% 35%, #000 42%, rgba(0, 0, 0, 0.65) 70%, transparent 100%);
    mask-image: radial-gradient(120% 120% at 50% 35%, #000 42%, rgba(0, 0, 0, 0.65) 70%, transparent 100%);
  }

  body::after {
    opacity: 0.16;
  }

  .page {
    justify-content: center;
  }

  .card {
    padding: 18px;
  }

  .choice-card {
    width: 100%;
  }
}