:root {
  --green-deep: #0f3d33;
  --green-dark: #0a2e26;
  --green-card: #14493d;
  --mint: #3ddc97;
  --mint-soft: rgba(61, 220, 151, 0.14);
  --cream: #edebe3;
  --cream-dim: rgba(237, 235, 227, 0.62);
  --cream-faint: rgba(237, 235, 227, 0.28);
  --font-sans: 'Pretendard Variable', Pretendard, -apple-system, 'Apple SD Gothic Neo', 'Noto Sans KR', sans-serif;
  --font-mono: 'SF Mono', 'Roboto Mono', ui-monospace, monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

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

body {
  font-family: var(--font-sans);
  color: var(--cream);
  background:
    /* 모눈종이 텍스처 — 실험 노트 느낌 */
    linear-gradient(rgba(61, 220, 151, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 220, 151, 0.045) 1px, transparent 1px),
    linear-gradient(180deg, var(--green-deep), var(--green-dark) 85%);
  background-size: 28px 28px, 28px 28px, 100% 100%;
  min-height: 100vh;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
}

.phone {
  max-width: 430px;
  margin: 0 auto;
  padding: calc(1.5rem + env(safe-area-inset-top)) 1.25rem calc(3rem + env(safe-area-inset-bottom));
}

/* ---------- header ---------- */
.lab-header { margin-bottom: 1.75rem; }

.lab-logo {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: 2px solid rgba(61, 220, 151, 0.45);
  box-shadow: 0 0 20px -4px rgba(61, 220, 151, 0.4);
  margin-bottom: 0.75rem;
  display: block;
}

.lab-header h1 {
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.lab-header h1 em {
  font-style: normal;
  color: var(--mint);
}

.lab-header .handle {
  display: inline-block;
  margin-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--cream-dim);
  letter-spacing: 0.02em;
}

.lab-header .motto {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--cream-dim);
}

/* ---------- season progress ---------- */
.season {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  padding: 0.8rem 1rem;
  background: var(--mint-soft);
  border: 1px solid rgba(61, 220, 151, 0.25);
  border-radius: 14px;
}

.season-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--mint);
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.season-bar {
  flex: 1;
  height: 6px;
  border-radius: 999px;
  background: rgba(237, 235, 227, 0.12);
  overflow: hidden;
}

.season-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--mint), #7ef0bd);
}

.season-count {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--cream);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* ---------- experiment cards ---------- */
.list { display: flex; flex-direction: column; gap: 0.8rem; }

.exp {
  display: block;
  text-decoration: none;
  color: inherit;
  background: var(--green-card);
  border: 1px solid rgba(237, 235, 227, 0.1);
  border-radius: 18px;
  padding: 1.1rem 1.15rem;
  transition: transform 100ms ease, border-color 100ms ease;
}

a.exp:active { transform: scale(0.98); border-color: var(--mint); }

.exp.live { border-color: rgba(61, 220, 151, 0.45); box-shadow: 0 0 24px -6px rgba(61, 220, 151, 0.35); }

.exp.locked { opacity: 0.6; }

.exp-top {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.45rem;
}

.exp-no {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--mint);
  letter-spacing: 0.08em;
}

.exp-status {
  margin-left: auto;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.22rem 0.6rem;
  border-radius: 999px;
  letter-spacing: 0.03em;
}

.exp-status.live { background: var(--mint); color: var(--green-deep); }
.exp-status.building { background: rgba(237, 235, 227, 0.15); color: var(--cream); }
.exp-status.planned { background: transparent; border: 1px solid var(--cream-faint); color: var(--cream-dim); }

.exp h2 {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.exp h2 .arrow { color: var(--mint); font-weight: 700; }

.exp p {
  margin-top: 0.4rem;
  font-size: 0.84rem;
  line-height: 1.55;
  color: var(--cream-dim);
}

.exp-tag {
  display: inline-block;
  margin-top: 0.6rem;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--mint);
  background: var(--mint-soft);
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
}

/* ---------- next teaser ---------- */
.teaser {
  margin-top: 1.5rem;
  padding: 1rem 1.15rem;
  border: 1.5px dashed rgba(61, 220, 151, 0.35);
  border-radius: 18px;
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--cream-dim);
}

.teaser b { color: var(--mint); font-weight: 700; }

/* ---------- footer ---------- */
footer {
  margin-top: 2.5rem;
  text-align: center;
  font-size: 0.72rem;
  color: var(--cream-faint);
  line-height: 1.8;
}

footer a { color: var(--cream-dim); text-decoration: none; font-weight: 600; }

@media (prefers-reduced-motion: reduce) {
  a.exp:active { transform: none; }
}