:root {
  --bg-a: #fdf1e8;
  --bg-b: #f6cfbc;
  --bg-c: #e8a9b8;
  --bg-d: #c78ea3;
  --text: #3d2530;
  --muted: rgba(61, 37, 48, .68);
  --card: rgba(255, 255, 255, .55);
  --card-border: rgba(255, 255, 255, .7);
  --accent: #98506e;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { min-height: 100%; -webkit-text-size-adjust: 100%; }
body {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: max(28px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(28px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.6;
  background: linear-gradient(135deg, var(--bg-a), var(--bg-b) 40%, var(--bg-c) 75%, var(--bg-d));
  background-size: 220% 220%;
  background-attachment: fixed;
  animation: gradientShift 28s ease-in-out infinite;
}
@keyframes gradientShift { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
button, a { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button { color: inherit; font: inherit; cursor: pointer; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.wrap { width: 100%; max-width: 540px; text-align: center; }
.eyebrow { margin-bottom: 10px; font-size: .67rem; letter-spacing: 1.8px; text-transform: uppercase; color: var(--muted); }
h1 { font-family: 'Cormorant Garamond', Georgia, serif; font-size: clamp(1.85rem, 6vw, 2.5rem); font-weight: 500; line-height: 1.15; }
.intro { margin: 14px auto 24px; font-size: clamp(.86rem, 2.5vw, .95rem); color: var(--muted); }
.calendar {
  padding: clamp(14px, 4vw, 25px);
  border: 1px solid var(--card-border);
  border-radius: 22px;
  background: var(--card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 10px 40px rgba(178, 100, 120, .18);
}
.month-row { display: grid; grid-template-columns: 44px 1fr 44px; align-items: center; gap: 8px; margin-bottom: 16px; }
h2 { font-family: 'Cormorant Garamond', Georgia, serif; font-size: clamp(1.4rem, 5vw, 1.8rem); font-weight: 600; line-height: 1.2; }
.month-nav { width: 44px; height: 44px; border: 1px solid rgba(255,255,255,.8); border-radius: 50%; background: rgba(255,255,255,.45); font: 32px/1 Georgia, serif; transition: background .15s; }
.month-nav:hover { background: rgba(255,255,255,.85); }
.weekdays, .days { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: clamp(4px, 1.2vw, 8px); }
.weekdays { margin-bottom: 8px; font-size: .7rem; color: var(--muted); }
.weekdays span:nth-child(n+6) { color: var(--accent); }
.day {
  position: relative;
  min-width: 0;
  height: clamp(44px, 10vw, 56px);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 13px;
  background: rgba(255,255,255,.3);
  font-size: clamp(.86rem, 3vw, 1rem);
  font-weight: 500;
  transition: background .15s, border-color .15s, transform .15s;
  user-select: none;
}
.day:hover:not(:disabled) { border-color: rgba(152,80,110,.35); background: rgba(255,255,255,.75); }
.day:active:not(:disabled) { transform: scale(.94); }
.day.is-today { border-color: var(--accent); }
.day[aria-pressed="true"] { background: #a7597a; color: white; border-color: #a7597a; padding-bottom: 8px; }
.day[aria-pressed="true"]:hover { background: #934565; border-color: #934565; }
.day[aria-pressed="true"]::after { content: '♥'; position: absolute; bottom: 2px; left: 0; right: 0; font-size: 9px; line-height: 1; color: #fff2f6; }
.day.is-pending { opacity: .72; }
.day:disabled { cursor: wait; opacity: .5; }
.empty-day { height: clamp(44px, 10vw, 56px); }
.calendar-footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; margin-top: 18px; font-size: .72rem; color: var(--muted); }
.today-button { min-height: 36px; padding: 4px 0 4px 8px; border: 0; background: transparent; font-size: .72rem; color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.status { min-height: 1.6em; margin-top: 8px; font-size: .73rem; color: var(--muted); }
.status.is-error { color: #893843; }
.shared-note { max-width: 380px; margin: 18px auto 0; font-size: .78rem; color: var(--muted); }
.back-button { display: inline-block; margin-top: 20px; padding: 12px 34px; border: 1px solid var(--card-border); border-radius: 100px; background: var(--card); color: var(--text); font: 500 1.15rem/1.6 'Cormorant Garamond', Georgia, serif; text-decoration: none; box-shadow: 0 4px 20px rgba(178,100,120,.15); transition: transform .2s, background .2s; }
.back-button:hover { transform: translateY(-2px); background: rgba(255,255,255,.8); }
.no-script { margin-top: 14px; font-size: .85rem; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }