:root {
  --cream: #fff8ef;
  --paper: #fffdf8;
  --paper-deep: #f5e8dc;
  --terracotta: #b96552;
  --terracotta-dark: #974a3b;
  --cocoa: #4b3029;
  --muted: #8c6f64;
  --line: #ead6c5;
  --sage: #87967a;
  --shadow: 0 24px 70px rgba(92, 57, 43, .14);
}

* { box-sizing: border-box; }

html { min-height: 100%; background: var(--cream); }

body {
  min-height: 100vh;
  margin: 0;
  display: grid;
  place-items: center;
  padding: 32px 18px 22px;
  color: var(--cocoa);
  background:
    radial-gradient(circle at 12% 14%, rgba(185, 101, 82, .10), transparent 23rem),
    radial-gradient(circle at 88% 88%, rgba(135, 150, 122, .12), transparent 25rem),
    var(--cream);
  font-family: Georgia, 'Times New Roman', serif;
}

button, input { font: inherit; }
button { -webkit-tap-highlight-color: transparent; }

.paper-texture {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .32;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.82' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.07'/%3E%3C/svg%3E");
}

.app-shell {
  position: relative;
  width: min(100%, 760px);
  min-height: 650px;
  overflow: hidden;
  border: 1px solid rgba(185, 101, 82, .2);
  border-radius: 38px;
  background: rgba(255, 253, 248, .94);
  box-shadow: var(--shadow);
}

.app-shell::before,
.app-shell::after {
  content: '';
  position: absolute;
  z-index: 0;
  border: 1px solid rgba(185, 101, 82, .18);
  border-radius: 50%;
}
.app-shell::before { width: 210px; height: 210px; left: -130px; top: -100px; }
.app-shell::after { width: 160px; height: 160px; right: -95px; bottom: -70px; }

.screen {
  position: relative;
  z-index: 1;
  min-height: 650px;
  padding: 62px clamp(22px, 7vw, 72px) 48px;
  text-align: center;
  animation: arrive .5s ease both;
}
.screen[hidden] { display: none; }

@keyframes arrive {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.eyebrow {
  margin: 0 0 20px;
  color: var(--terracotta);
  font-family: system-ui, sans-serif;
  font-size: .72rem;
  font-weight: 750;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1, h2 { margin: 0; font-weight: 500; letter-spacing: -.035em; }
h1 { font-size: clamp(2.15rem, 7vw, 4rem); line-height: 1.05; }
h2 { font-size: clamp(2rem, 6vw, 3.35rem); line-height: 1.06; }

.lead {
  margin: 22px auto 30px;
  color: var(--muted);
  font-family: system-ui, sans-serif;
  font-size: clamp(.95rem, 2.5vw, 1.08rem);
  line-height: 1.65;
}

.coffee-cup { position: relative; width: 105px; height: 94px; margin: 2px auto 20px; }
.coffee-cup span { display: block; font-size: 4.8rem; filter: sepia(.18); transform: rotate(-2deg); }
.coffee-cup i {
  position: absolute;
  top: -4px;
  width: 2px;
  height: 24px;
  border-radius: 50%;
  background: rgba(151, 74, 59, .3);
  animation: steam 2.3s ease-in-out infinite;
}
.coffee-cup i:nth-child(2) { left: 44px; }
.coffee-cup i:nth-child(3) { left: 61px; animation-delay: .7s; }
@keyframes steam { 0%, 100% { opacity: 0; transform: translateY(8px) scaleY(.6); } 50% { opacity: 1; transform: translateY(-6px) scaleY(1); } }

.invitation-actions { position: relative; min-height: 145px; margin: 10px auto 0; max-width: 520px; }
.button {
  min-height: 48px;
  border: 0;
  border-radius: 999px;
  padding: 13px 23px;
  cursor: pointer;
  font-family: system-ui, sans-serif;
  font-size: .98rem;
  font-weight: 750;
  transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.button:focus-visible, .time-grid button:focus-visible, .day-button:focus-visible, .back-button:focus-visible { outline: 3px solid rgba(185, 101, 82, .35); outline-offset: 3px; }
.button--primary { color: #fff; background: var(--terracotta); box-shadow: 0 10px 24px rgba(151, 74, 59, .25); }
.button--primary:hover:not(:disabled) { background: var(--terracotta-dark); transform: translateY(-2px); box-shadow: 0 13px 28px rgba(151, 74, 59, .3); }
.button--primary:disabled { opacity: .42; cursor: not-allowed; box-shadow: none; }
.button--quiet { color: #775b50; background: var(--paper-deep); }

#yes-button { position: absolute; left: calc(50% - 125px); top: 18px; }
.runaway { position: absolute; left: calc(50% + 54px); top: 18px; transition: left .2s ease, top .2s ease, transform .18s ease; }
.runaway.is-tired { background: #eee1d7; }
.tiny-note { margin: -32px 0 0; color: #ad9185; font: .78rem/1.4 system-ui, sans-serif; }

.corner-doodle { position: absolute; z-index: 2; color: rgba(185, 101, 82, .45); font-size: 1.6rem; }
.corner-doodle--left { left: 28px; top: 26px; transform: rotate(-14deg); }
.corner-doodle--right { right: 30px; top: 28px; transform: rotate(12deg); }

.back-button {
  position: absolute;
  top: 25px;
  left: 28px;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--cocoa);
  background: var(--paper);
  cursor: pointer;
}
.step-icon { margin: -3px 0 13px; font-size: 2.8rem; }

.calendars { display: grid; grid-template-columns: repeat(auto-fit, minmax(245px, 1fr)); gap: 14px; margin: 26px auto 24px; text-align: left; }
.calendar-month { padding: 17px; border: 1px solid var(--line); border-radius: 20px; background: #fff; }
.calendar-month h3 { margin: 0 0 13px; text-align: center; font-size: 1.05rem; font-weight: 500; text-transform: capitalize; }
.weekdays, .calendar-days { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; }
.weekdays span { padding: 3px 0 7px; color: var(--muted); font: 650 .65rem system-ui, sans-serif; text-align: center; }
.calendar-days .empty { min-height: 34px; }
.day-button {
  min-width: 0;
  min-height: 36px;
  border: 0;
  border-radius: 10px;
  color: var(--cocoa);
  background: #f8eee5;
  cursor: pointer;
  font: 700 .78rem system-ui, sans-serif;
}
.day-button:hover { background: #ecd8c8; }
.day-button.is-selected { color: #fff; background: var(--terracotta); box-shadow: 0 5px 12px rgba(151, 74, 59, .23); }
.next-button { margin-top: 8px; }

.selected-date { margin: 14px 0 24px; color: var(--terracotta); font: 750 1rem system-ui, sans-serif; text-transform: capitalize; }
.time-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; max-width: 510px; margin: 0 auto 24px; }
.time-grid button {
  min-height: 66px;
  border: 1px solid var(--line);
  border-radius: 17px;
  color: var(--cocoa);
  background: #fff;
  cursor: pointer;
  font: 750 1rem system-ui, sans-serif;
  transition: .18s ease;
}
.time-grid button:hover { transform: translateY(-2px); border-color: #cf9e8c; }
.time-grid button.is-selected { color: #fff; border-color: var(--terracotta); background: var(--terracotta); box-shadow: 0 8px 18px rgba(151, 74, 59, .22); }
.time-grid small { display: block; margin-top: 3px; opacity: .72; font-size: .68rem; font-weight: 500; }
.status-message { min-height: 24px; margin: 14px 0 0; color: var(--terracotta-dark); font: .86rem system-ui, sans-serif; }

.celebration { margin: 5px 0 14px; color: var(--terracotta); font-size: 2.4rem; letter-spacing: .14em; }
.meme-card { max-width: 470px; margin: 22px auto; padding: 20px; border: 1px solid var(--line); border-radius: 24px; background: linear-gradient(145deg, #f8eadd, #fffaf3); font: .86rem/1.45 system-ui, sans-serif; }
.meme-card p { margin: 5px 0; }
.meme-scene { margin: 12px 0; padding: 14px 8px; border-radius: 16px; background: rgba(255,255,255,.72); font-size: clamp(2.2rem, 8vw, 4rem); white-space: nowrap; }
.meme-coffee, .meme-cake { font-size: .68em; }
.date-ticket { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px 13px; max-width: 480px; margin: 20px auto; padding: 15px 18px; border: 1px dashed #c99a87; border-radius: 16px; background: #fff; font-family: system-ui, sans-serif; }
.date-ticket span { flex-basis: 100%; color: var(--muted); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase; }
.date-ticket strong { color: var(--terracotta-dark); }
.signature { margin: 20px 0 0; font-size: 1.2rem; line-height: 1.5; }
.signature span { color: var(--terracotta); font-style: italic; }
.quiet-cup { margin: 34px 0; font-size: 6rem; filter: grayscale(.2); }

footer { margin-top: 17px; color: #9b8177; font: .72rem system-ui, sans-serif; text-align: center; }

@media (max-width: 600px) {
  body { padding: 0; display: block; }
  .app-shell { min-height: 100vh; border: 0; border-radius: 0; box-shadow: none; }
  .screen { min-height: 100vh; padding: 68px 19px 38px; }
  h1 { font-size: clamp(2.15rem, 11vw, 3rem); }
  .lead br { display: none; }
  .invitation-actions { min-height: 170px; }
  #yes-button { left: calc(50% - 127px); }
  .runaway { left: calc(50% + 57px); }
  .calendars { grid-template-columns: 1fr; }
  .calendar-month { padding: 14px 11px; }
  .day-button { min-height: 39px; }
  .time-grid { gap: 8px; }
  .time-grid button { min-height: 64px; }
  footer { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}