/* ---------- Tokens ---------- */
:root {
  --font-head: "Fredoka", system-ui, sans-serif;
  --font-body: "Nunito", system-ui, sans-serif;
  --font-mono: "Space Mono", ui-monospace, monospace;

  --accent: #7c5cff;
  --accent-ink: #ffffff;
  --accent-soft: rgba(124, 92, 255, 0.16);
  --c1: #ff4d8d;
  --c2: #ff7a45;
  --c3: #20c997;
  --c4: #3aa0ff;
  --c5: #7c5cff;

  --bg: #fbf8ff;
  --surface: #ffffff;
  --text: #1d1530;
  --muted: #6a6180;
  --line: rgba(29, 21, 48, 0.1);
  --dot: rgba(29, 21, 48, 0.13);
  --shadow: 0 10px 30px -12px rgba(52, 24, 120, 0.35);

  --radius: 20px;
  --ease: cubic-bezier(0.34, 1.56, 0.64, 1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #110d1c;
    --surface: #1b1530;
    --text: #f3efff;
    --muted: #a79fc0;
    --line: rgba(243, 239, 255, 0.1);
    --dot: rgba(243, 239, 255, 0.1);
    --accent-soft: rgba(124, 92, 255, 0.24);
    --shadow: 0 12px 34px -12px rgba(0, 0, 0, 0.7);
  }
}

:root[data-theme="dark"] {
  --bg: #110d1c;
  --surface: #1b1530;
  --text: #f3efff;
  --muted: #a79fc0;
  --line: rgba(243, 239, 255, 0.1);
  --dot: rgba(243, 239, 255, 0.1);
  --accent-soft: rgba(124, 92, 255, 0.24);
  --shadow: 0 12px 34px -12px rgba(0, 0, 0, 0.7);
}

/* ---------- Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}

h1,
h2 {
  font-family: var(--font-head);
  line-height: 1.1;
  margin: 0;
}

a {
  color: var(--accent);
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
  border-radius: 12px;
}

/* ---------- Live background: dot grid + drifting glows ---------- */
.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background-image: radial-gradient(var(--dot) 1.2px, transparent 1.2px);
  background-size: 22px 22px;
  overflow: hidden;
}

.glow {
  position: absolute;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
  will-change: transform;
}

.glow-a {
  top: -200px;
  right: -160px;
  background: var(--c1);
  animation: drift 14s ease-in-out infinite alternate;
}

.glow-b {
  bottom: -240px;
  left: -200px;
  background: var(--accent);
  animation: drift 18s ease-in-out infinite alternate-reverse;
}

@keyframes drift {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-60px, 50px) scale(1.18); }
}

/* ---------- Top bar ---------- */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 16px 0;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

.theme-toggle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.3s var(--ease);
}

.theme-toggle:hover { transform: rotate(180deg); }
.theme-toggle:active { transform: rotate(180deg) scale(0.9); }

/* ---------- Hero ---------- */
main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px;
}

.hero {
  text-align: center;
  padding: 40px 0 24px;
}

.avatar {
  width: 112px;
  height: 112px;
  margin: 0 auto 18px;
  border-radius: 50%;
  padding: 5px;
  background: conic-gradient(var(--c1), var(--c2), var(--c3), var(--c4), var(--c5), var(--c1));
  animation: spin 8s linear infinite;
}

.avatar span {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--surface);
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  animation: spin 8s linear infinite reverse;
}

@keyframes spin { to { transform: rotate(360deg); } }

.hero h1 {
  font-size: clamp(2.3rem, 7vw, 4.2rem);
  font-weight: 700;
  margin: 10px 0 16px;
}

.accent-text {
  background: linear-gradient(90deg, var(--c1), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.chips {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.chip {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--text);
  border: 1px solid var(--line);
}

.lead {
  max-width: 440px;
  margin: 20px auto;
  color: var(--muted);
  font-size: 1.05rem;
}

kbd {
  font-family: var(--font-mono);
  font-size: 0.8em;
  padding: 1px 6px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: var(--surface);
}

.actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.counter {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--muted);
  margin: 18px 0 0;
}

.counter span {
  display: inline-block;
  color: var(--accent);
  font-weight: 700;
}

.counter span.bump { animation: bump 0.4s var(--ease); }

@keyframes bump { 50% { transform: scale(1.6); } }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
  box-shadow: var(--shadow);
  transition: transform 0.25s var(--ease), box-shadow 0.25s ease, background-color 0.25s ease;
}

.btn span {
  transition: transform 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 34px -12px rgba(124, 92, 255, 0.6);
}

.btn:hover span { transform: translate(3px, -3px); }
.btn:active { transform: translateY(0) scale(0.96); }

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.btn-ghost {
  background: var(--surface);
  color: var(--text);
  border-color: var(--line);
}

/* ---------- Gifts ---------- */
.gifts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
  padding: 30px 0 20px;
}

.gift {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s var(--ease);
}

.gift:hover { transform: translateY(-4px); }

.gift h2 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 14px;
}

.box {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 1;
  margin-top: auto;
  padding: 0;
  border: 0;
  border-radius: 14px;
  cursor: pointer;
  overflow: hidden;
  background: color-mix(in srgb, var(--tone) 14%, var(--surface));
  font: inherit;
  color: inherit;
}

/* The wrapped box */
.wrap {
  position: absolute;
  inset: 0;
  background: var(--tone);
  transition: transform 0.6s var(--ease), opacity 0.4s ease;
}

.ribbon::before,
.ribbon::after {
  content: "";
  position: absolute;
  background: #ffd23f;
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.06);
}

.ribbon::before { left: 44%; width: 12%; top: 0; bottom: 0; }
.ribbon::after  { top: 44%; height: 12%; left: 0; right: 0; }

.lid {
  position: absolute;
  z-index: 1;
  left: 50%;
  top: 50%;
  width: 34%;
  aspect-ratio: 1;
  translate: -50% -50%;
  background: #fff4c2;
  clip-path: polygon(50% 0, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
  transition: transform 0.6s var(--ease);
}

.box:hover .lid { transform: rotate(35deg) scale(1.15); }

/* The surprise inside */
.surprise {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  gap: 6px;
  text-align: center;
  opacity: 0;
  transform: scale(0.6);
  transition: opacity 0.4s ease 0.1s, transform 0.5s var(--ease) 0.1s;
}

.emoji {
  display: inline-block;
  font-family: "Apple Color Emoji", "Segoe UI Emoji", "Noto Color Emoji", sans-serif;
  font-size: clamp(5rem, 22vw, 7.5rem);
  line-height: 1;
}

.caption {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--tone);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.box.is-open .wrap {
  transform: translateY(-110%) rotate(-8deg);
  opacity: 0;
}

.box.is-open .surprise {
  opacity: 1;
  transform: scale(1);
}

.box.is-open .bounce { animation: bounce 1s ease-in-out infinite; }
.box.is-open .pulse  { animation: pulse 0.9s ease-in-out infinite; }
.box.is-open .spin   { animation: wobble 1.6s ease-in-out infinite; }
.box.is-open .flex   { animation: flex 0.8s ease-in-out infinite alternate; }
.box.is-open .clink  { animation: clink 1.2s ease-in-out infinite; }

@keyframes bounce { 50% { transform: translateY(-18px); } }
@keyframes pulse  { 50% { transform: scale(1.15); } }
@keyframes wobble { 25% { transform: rotate(-12deg); } 75% { transform: rotate(12deg); } }
@keyframes flex   { to { transform: scale(1.12) rotate(-8deg); } }
@keyframes clink  { 40%, 60% { transform: rotate(-14deg) translateY(-6px); } }

/* ---------- Confetti ---------- */
.confetti {
  position: fixed;
  top: 0;
  left: 0;
  width: 9px;
  height: 14px;
  border-radius: 2px;
  pointer-events: none;
  z-index: 10;
}

/* ---------- Footer ---------- */
.footer {
  text-align: center;
  padding: 20px 16px 40px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition-duration: 0.01ms !important;
  }
}