:root {
  color-scheme: light;
  --sky-top: oklch(0.9 0.04 230);
  --sky-bot: oklch(0.96 0.03 90);
  --ink: oklch(0.28 0.03 40);
  --muted: oklch(0.48 0.02 40);
  --rose: oklch(0.72 0.12 15);
  --rose-deep: oklch(0.58 0.14 15);
  --leaf: oklch(0.62 0.11 145);
  --paper: oklch(0.99 0.01 95 / 0.82);
  --line: oklch(0.35 0.02 40 / 0.12);
  --ok: oklch(0.55 0.12 145);
  --danger: oklch(0.55 0.16 25);
  --radius: 22px;
  --font: "M PLUS Rounded 1c", "Zen Maru Gothic", "Segoe UI", sans-serif;
  --display: "Zen Maru Gothic", "M PLUS Rounded 1c", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  color: var(--ink);
  background: linear-gradient(180deg, var(--sky-top), var(--sky-bot) 55%, oklch(0.93 0.04 145 / 0.35));
}

body {
  position: relative;
  overflow-x: hidden;
  padding: calc(10px + env(safe-area-inset-top)) 16px calc(28px + env(safe-area-inset-bottom));
}

.sky {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.sun {
  position: absolute;
  top: 8%;
  right: 12%;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, oklch(0.98 0.05 95), oklch(0.86 0.12 75));
  box-shadow: 0 0 0 10px oklch(0.92 0.06 85 / 0.35);
}

.cloud {
  position: absolute;
  background: oklch(1 0 0 / 0.75);
  border-radius: 999px;
  filter: blur(0.2px);
}
.cloud::before,
.cloud::after {
  content: "";
  position: absolute;
  background: inherit;
  border-radius: 50%;
}
.c1 {
  top: 14%;
  left: -4%;
  width: 90px;
  height: 28px;
}
.c1::before {
  width: 36px;
  height: 36px;
  top: -18px;
  left: 16px;
}
.c1::after {
  width: 28px;
  height: 28px;
  top: -12px;
  left: 48px;
}
.c2 {
  top: 22%;
  right: -6%;
  width: 110px;
  height: 30px;
  opacity: 0.85;
}
.c2::before {
  width: 40px;
  height: 40px;
  top: -20px;
  left: 22px;
}
.c2::after {
  width: 32px;
  height: 32px;
  top: -14px;
  left: 58px;
}
.c3 {
  top: 8%;
  left: 38%;
  width: 70px;
  height: 22px;
  opacity: 0.7;
}
.c3::before {
  width: 28px;
  height: 28px;
  top: -14px;
  left: 14px;
}

.hill {
  position: absolute;
  bottom: -8%;
  border-radius: 50% 50% 0 0;
}
.h1 {
  left: -20%;
  width: 80%;
  height: 28%;
  background: oklch(0.78 0.08 145 / 0.45);
}
.h2 {
  right: -15%;
  width: 70%;
  height: 22%;
  background: oklch(0.72 0.1 145 / 0.4);
}

.sakura {
  position: absolute;
  bottom: 6%;
  left: 4%;
  width: 140px;
  height: auto;
  opacity: 0.95;
}

.shell {
  position: relative;
  z-index: 1;
  max-width: 420px;
  margin: 0 auto;
}

.preview-badge {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: oklch(0.95 0.04 15);
  color: var(--rose-deep);
  border: 1px solid oklch(0.82 0.08 15 / 0.5);
}

.screen {
  animation: rise 420ms cubic-bezier(0.2, 0, 0, 1) both;
}

.screen[hidden] {
  display: none !important;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.brand {
  margin: 0 0 0.4rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--rose-deep);
  letter-spacing: 0.04em;
}

h1 {
  margin: 0 0 0.65rem;
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(1.65rem, 6vw, 2rem);
  line-height: 1.2;
  text-wrap: balance;
}

.h-compact {
  font-size: 1.45rem;
}

.lead {
  margin: 0 0 1rem;
  color: var(--muted);
  line-height: 1.5;
  font-size: 0.98rem;
  max-width: 36ch;
}

.lead.tight {
  margin-bottom: 0.75rem;
}

.lead b {
  color: var(--ink);
  font-weight: 700;
}

.bullets {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.bullets li {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
  padding: 0.7rem 0.85rem;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: calc(var(--radius) - 6px);
  font-size: 0.92rem;
  line-height: 1.35;
  backdrop-filter: blur(8px);
}

.dot {
  flex-shrink: 0;
  width: 0.55rem;
  height: 0.55rem;
  margin-top: 0.35rem;
  border-radius: 50%;
  background: var(--rose);
}

.btn {
  appearance: none;
  border: 0;
  width: 100%;
  border-radius: 999px;
  padding: 0.95rem 1.2rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 140ms cubic-bezier(0.2, 0, 0, 1), filter 140ms ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.55;
  cursor: wait;
}

.btn.primary {
  background: linear-gradient(135deg, var(--rose), var(--rose-deep));
  color: oklch(0.99 0.01 95);
  box-shadow: 0 8px 20px oklch(0.55 0.12 15 / 0.28);
}

.link-back {
  appearance: none;
  border: 0;
  background: transparent;
  font: inherit;
  font-weight: 700;
  color: var(--rose-deep);
  padding: 0;
  margin: 0 0 0.55rem;
  cursor: pointer;
}

.catalog {
  display: grid;
  gap: 0.55rem;
}

.section-title {
  margin: 0.85rem 0 0.25rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.pack {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  width: 100%;
  padding: 0.95rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--paper);
  color: inherit;
  text-align: left;
  cursor: pointer;
  font: inherit;
  backdrop-filter: blur(8px);
  transition: transform 140ms cubic-bezier(0.2, 0, 0, 1), border-color 140ms ease;
}

.pack:hover,
.pack:focus-visible {
  border-color: color-mix(in oklch, var(--rose) 55%, var(--line));
  outline: none;
}

.pack:active {
  transform: scale(0.985);
}

.pack .label {
  font-weight: 700;
  font-size: 1.02rem;
}

.pack .meta {
  margin-top: 0.15rem;
  font-size: 0.8rem;
  color: var(--muted);
}

.pack .price {
  flex-shrink: 0;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--rose-deep);
}

.panel {
  margin: 0.5rem 0 1rem;
  padding: 0.85rem 1rem;
  border-radius: calc(var(--radius) - 4px);
  background: var(--paper);
  border: 1px dashed color-mix(in oklch, var(--rose) 35%, var(--line));
}

.confirm-card {
  border-style: solid;
  padding: 1.1rem 1.15rem;
  box-shadow: 0 10px 28px oklch(0.45 0.04 40 / 0.08);
}

#done-key {
  word-break: break-all;
  font-size: 0.78rem;
  font-family: ui-monospace, monospace;
  color: var(--ink);
}

.panel-note {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.4;
}

.actions {
  display: grid;
  gap: 0.5rem;
}

.status {
  margin-bottom: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: 14px;
  background: var(--paper);
  border: 1px solid var(--line);
  font-size: 0.9rem;
}

.status.error {
  color: var(--danger);
  border-color: color-mix(in oklch, var(--danger) 40%, var(--line));
}

.status.ok {
  color: var(--ok);
  border-color: color-mix(in oklch, var(--ok) 40%, var(--line));
}

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

@media (prefers-reduced-motion: reduce) {
  .screen,
  .btn,
  .pack {
    animation: none;
    transition: none;
  }
}