:root {
  --ink: #17151C;
  --paper: #FAF8F4;
  --paper-panel: #FFFFFF;
  --line: #E8E3D8;
  --muted: #756F63;
  --accent: #A9702B;
  --radius: 16px;
  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--paper);
}

.wrap {
  max-width: 620px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Header ---------- */
.site-header {
  padding: 40px 0 30px;
  border-bottom: 1px solid var(--line);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
}
.header-mark {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
}
.eyebrow {
  margin: 0 0 4px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
}
.header-text h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 28px;
  line-height: 1.05;
  margin: 0 0 8px;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.header-text h1 span {
  font-style: italic;
  font-weight: 500;
  color: var(--accent);
}
.tagline {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  max-width: 42ch;
  line-height: 1.5;
}

/* ---------- Panels / form ---------- */
main.wrap {
  padding-top: 32px;
  padding-bottom: 56px;
}

.panel {
  background: var(--paper-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 1px 2px rgba(23,21,28,0.04), 0 12px 28px rgba(23,21,28,0.06);
}

.field-group {
  margin-bottom: 18px;
}
.field-group label {
  display: block;
  font-weight: 600;
  font-size: 13.5px;
  margin-bottom: 6px;
  color: var(--ink);
}
.field-group .hint {
  font-weight: 400;
  color: var(--muted);
  font-size: 12px;
}

input[type="text"], select {
  width: 100%;
  padding: 11px 12px;
  font-family: var(--font-body);
  font-size: 15px;
  border: 1.5px solid var(--line);
  border-radius: 10px;
  background: #FFFFFF;
  color: var(--ink);
}
input[type="text"]:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}

.date-row {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 10px;
}

#occasion-custom {
  margin-top: 8px;
}

.btn-primary, .btn-secondary, .btn-link {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  border-radius: 11px;
  padding: 13px 20px;
  border: 1.5px solid transparent;
  transition: transform 0.08s ease, opacity 0.15s ease;
}

.btn-primary {
  width: 100%;
  background: var(--ink);
  color: #fff;
}
.btn-primary:hover { opacity: 0.88; }
.btn-primary:active { transform: translateY(1px); }

.btn-secondary {
  background: #fff;
  color: var(--ink);
  border-color: var(--line);
}
.btn-secondary:hover { border-color: var(--accent); }

.btn-link {
  background: transparent;
  color: var(--muted);
  text-decoration: underline;
  padding: 13px 10px;
}

/* ---------- Card (the shareable creative) ---------- */
.card-stage {
  display: flex;
  justify-content: center;
  margin-bottom: 22px;
}

.card {
  position: relative;
  overflow: hidden;
  width: 540px;
  max-width: 100%;
  border-radius: 26px;
  padding: 34px 30px 26px;
  font-family: var(--font-body);
  background: linear-gradient(155deg, var(--grad-a) 0%, var(--grad-b) 100%);
  color: var(--card-ink);
}

.card-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 88% -6%, rgba(255,255,255,0.35), transparent 45%),
    radial-gradient(circle at -6% 106%, rgba(0,0,0,0.16), transparent 45%);
  pointer-events: none;
}

.card-tag {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 14px;
  border-radius: 100px;
  background: var(--card-tag-bg);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--card-ink);
}

.card-message {
  position: relative;
  text-align: center;
  margin: 22px 0 20px;
}
.card-wish-line {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  opacity: 0.85;
}
#card-occasion {
  font-family: var(--font-display);
  font-weight: 600;
  font-style: italic;
  font-size: 44px;
  line-height: 1.08;
  margin: 4px 0 6px;
  color: var(--card-ink);
}
#card-name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  color: var(--card-ink);
}

.card-numeral {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin: 0 0 20px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--card-ink);
  opacity: 0.92;
}
.numeral-arrow {
  opacity: 0.6;
  font-weight: 400;
}
.numeral-ddm {
  padding: 3px 11px;
  border-radius: 8px;
  background: rgba(255,255,255,0.22);
  font-variant-numeric: tabular-nums;
}

.card-equation {
  position: relative;
  background: rgba(255,255,255,0.94);
  border-radius: 18px;
  padding: 20px 22px;
}
.equation-intro {
  margin: 0 0 10px;
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.01em;
  color: var(--accent);
}
#card-equation-facts {
  margin: 0;
  padding: 0;
  list-style: none;
  color: #22201C;
}
#card-equation-facts li {
  font-size: 15px;
  font-weight: 600;
  padding: 8px 0;
  border-bottom: 1px solid #ECE7DC;
  line-height: 1.4;
}
#card-equation-facts li:last-child {
  border-bottom: none;
}
#card-equation-facts sup, #card-equation-facts sub {
  font-size: 0.68em;
}

.card-footer {
  position: relative;
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  text-align: center;
}
#card-from {
  font-weight: 600;
  font-size: 14px;
  color: var(--card-ink);
}
.card-callout {
  font-size: 11px;
  color: var(--card-ink);
  opacity: 0.75;
}

.action-row {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* ---------- Occasion themes ---------- */
.card[data-theme="birthday"] {
  --grad-a: #FF7A59;
  --grad-b: #FFB238;
  --card-ink: #3A1205;
  --card-tag-bg: rgba(255,255,255,0.32);
  --accent: #C1440E;
}
.card[data-theme="anniversary"] {
  --grad-a: #7A2E5C;
  --grad-b: #C63D6B;
  --card-ink: #FFF6F2;
  --card-tag-bg: rgba(255,255,255,0.20);
  --accent: #C63D6B;
}
.card[data-theme="work"] {
  --grad-a: #10222E;
  --grad-b: #2E5266;
  --card-ink: #F4EFE2;
  --card-tag-bg: rgba(212,175,55,0.22);
  --accent: #B8862F;
}
.card[data-theme="engagement"] {
  --grad-a: #F4E0C7;
  --grad-b: #E4AFAE;
  --card-ink: #4A2A2A;
  --card-tag-bg: rgba(255,255,255,0.5);
  --accent: #A9702B;
}
.card[data-theme="other"] {
  --grad-a: #423E9E;
  --grad-b: #9C3FA8;
  --card-ink: #FBF7FF;
  --card-tag-bg: rgba(255,255,255,0.20);
  --accent: #9C3FA8;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 24px 0 44px;
  text-align: center;
  font-size: 13px;
  color: var(--muted);
}
.site-footer p { margin: 4px 0; }
.site-footer a { color: var(--accent); }
.fine-print { font-size: 11.5px; }

@media (max-width: 480px) {
  .header-mark { width: 38px; height: 38px; font-size: 16px; }
  .header-text h1 { font-size: 22px; }
  .card { padding: 28px 20px 20px; }
  #card-occasion { font-size: 34px; }
}