/* ---------- Theme */
:root{
  --bg: radial-gradient(1200px 800px at 20% 10%, #ffeec8 0%, #fff6e8 40%, #fdfcfb 85%);
  --text: #1f2937;
  --muted: #6b7280;
  --card: rgba(255,255,255,0.6);
  --stroke: rgba(0,0,0,0.06);
  --shadow: 0 10px 30px rgba(31,41,55,0.12);
  --ring: 0 0 0 8px rgba(59,130,246,0.12);
  --soft: #ffd7d0;
  --jammy: #ffeaa7;
  --hard: #cde8b5;
  --extra: #c7e1ff;
}

@media (prefers-color-scheme: dark){
  :root{
    --bg: radial-gradient(1200px 800px at 20% 10%, #1f2937 0%, #0b1220 70%);
    --text: #f3f4f6;
    --muted: #9ca3af;
    --card: rgba(255,255,255,0.08);
    --stroke: rgba(255,255,255,0.08);
    --shadow: 0 12px 30px rgba(0,0,0,0.5);
    --ring: 0 0 0 8px rgba(99,102,241,0.18);
  }
}

* { box-sizing: border-box; }

html,body{
  height:100%;
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: var(--bg) fixed;
}

/* ---------- Layout */
.app{
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 20px 48px;
  display: grid;
  gap: 28px;
}

.app__header{
  text-align: center;
}

.app__header h1{
  margin: 0 0 6px;
  font-size: clamp(28px, 3.6vw, 40px);
  letter-spacing: -0.02em;
}

.app__header p{
  margin: 0;
  color: var(--muted);
}

.grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
@media (max-width: 900px){
  .grid{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px){
  .grid{ grid-template-columns: 1fr; }
}

/* ---------- Cards */
.card{
  background: var(--card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--stroke);
  border-radius: 18px;
  padding: 18px 18px 20px;
  box-shadow: var(--shadow);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  position: relative;
  overflow: hidden;
}

.card:hover{ transform: translateY(-2px); }

.card__emoji{
  font-size: 26px;
  line-height: 1;
  margin-bottom: 10px;
}

.card h2{
  margin: 2px 0 8px;
  font-size: 18px;
  letter-spacing: .2px;
}

.time{
  font-variant-numeric: tabular-nums;
  font-size: clamp(34px, 5.2vw, 54px);
  font-weight: 700;
  letter-spacing: .5px;
}

.hint{
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

/* Pastel accents per card */
.card[data-key="softBoiled"]{ box-shadow: 0 8px 24px rgba(255,115,100,0.12); }
.card[data-key="jammyEgg"]{  box-shadow: 0 8px 24px rgba(255,210,70,0.12); }
.card[data-key="hardBoiled"]{ box-shadow: 0 8px 24px rgba(95,180,95,0.12); }
.card[data-key="extraHardBoiled"]{ box-shadow: 0 8px 24px rgba(48,128,255,0.12); }

/* Done state */
.card.done{
  outline: 0;
  animation: pop 400ms ease;
  border-color: transparent;
  box-shadow: 0 0 0 2px rgba(34,197,94,.5), var(--shadow);
}
.card.done .time{ text-shadow: 0 2px 0 rgba(0,0,0,.06); }
@keyframes pop{
  0%{ transform: scale(1); }
  50%{ transform: scale(1.02); }
  100%{ transform: scale(1); }
}

/* ---------- Controls */
.controls{
  display:flex;
  justify-content:center;
  gap:12px;
}

.btn{
  appearance: none;
  border: 1px solid var(--stroke);
  background: white;
  color: var(--text);
  border-radius: 999px;
  padding: 12px 18px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform .12s ease, box-shadow .12s ease, background .12s ease;
}
.btn:hover{ transform: translateY(-1px); }
.btn:active{ transform: translateY(0); box-shadow: 0 6px 18px rgba(31,41,55,0.10); }
.btn:focus-visible{ outline: none; box-shadow: var(--shadow), var(--ring); }

.btn--ghost{
  background: transparent;
  backdrop-filter: blur(8px);
}