:root {
  --bg: #f4efe6;
  --panel: rgba(255, 251, 245, 0.8);
  --panel-strong: #fffaf1;
  --text: #1e1c18;
  --muted: #6d665c;
  --accent: #b4502d;
  --accent-soft: #f5c7a3;
  --teal: #1e6b68;
  --border: rgba(30, 28, 24, 0.08);
  --shadow: 0 24px 80px rgba(94, 59, 25, 0.12);
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  max-width: 100%;
  overflow-x: clip;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans KR", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(180, 80, 45, 0.18), transparent 28%),
    radial-gradient(circle at bottom right, rgba(30, 107, 104, 0.16), transparent 26%),
    linear-gradient(135deg, #f8f1e8 0%, #efe6d6 45%, #f7f2eb 100%);
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  z-index: 0;
  border-radius: 50%;
  filter: blur(24px);
  pointer-events: none;
}

body::before {
  top: 7vh;
  right: 8vw;
  width: 18rem;
  height: 18rem;
  background: rgba(245, 199, 163, 0.36);
}

body::after {
  bottom: 10vh;
  left: 5vw;
  width: 16rem;
  height: 16rem;
  background: rgba(30, 107, 104, 0.18);
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 64px;
}

.hero {
  margin-bottom: 28px;
}

.eyebrow,
h1,
.days-display strong,
.score-strip strong {
  font-family: "Space Grotesk", sans-serif;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 14px;
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--accent);
  background: rgba(180, 80, 45, 0.12);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  max-width: 100%;
  font-size: clamp(2rem, 4vw, 4.2rem);
  line-height: 1.05;
  white-space: normal;
  text-wrap: balance;
  overflow-wrap: anywhere;
}

.hero-copy {
  max-width: 60ch;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.app-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
  gap: 20px;
}

.panel {
  backdrop-filter: blur(20px);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.form-panel {
  padding: 28px;
}

.result-panel {
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.section-title h2,
.insight-block h3 {
  margin: 0;
}

.section-title p,
.result-label,
.life-expectancy,
.mini-label,
.insight-block p,
.disclaimer,
#insights {
  color: var(--muted);
}

.section-title p {
  margin: 8px 0 0;
}

.field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.field-wide {
  grid-column: 1 / -1;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field span {
  font-size: 0.95rem;
  font-weight: 600;
}

input,
select {
  width: 100%;
  border: 1px solid rgba(30, 28, 24, 0.12);
  border-radius: 16px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--text);
  font: inherit;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

input:focus,
select:focus {
  outline: none;
  border-color: rgba(30, 107, 104, 0.48);
  box-shadow: 0 0 0 4px rgba(30, 107, 104, 0.12);
  transform: translateY(-1px);
}

.computed-input {
  width: 100%;
  min-height: 53px;
  display: flex;
  align-items: center;
  padding: 14px 16px;
  border: 1px solid rgba(30, 28, 24, 0.08);
  border-radius: 16px;
  background: rgba(255, 248, 240, 0.92);
  color: var(--text);
  font-weight: 700;
}

.field-note {
  margin: -2px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.55;
}

#alcohol-type-hint,
.proof-note {
  white-space: nowrap;
  font-size: 0.76rem;
  letter-spacing: -0.01em;
}

.result-top {
  padding: 20px;
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(180, 80, 45, 0.12), rgba(245, 199, 163, 0.08)),
    var(--panel-strong);
}

.result-label {
  margin: 0;
  font-size: 0.95rem;
}

.days-display {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 12px 0 4px;
}

.days-display strong {
  font-size: clamp(3rem, 8vw, 5.8rem);
  line-height: 0.9;
}

.days-display span {
  font-size: 1.2rem;
  font-weight: 700;
}

.life-expectancy {
  margin: 0;
}

.score-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.score-strip > div,
.insight-block {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.56);
  border: 1px solid rgba(30, 28, 24, 0.06);
}

.mini-label {
  display: block;
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.score-strip strong {
  font-size: 1.35rem;
}

#insights {
  margin: 12px 0 0;
  padding-left: 20px;
  line-height: 1.65;
}

#formula-summary {
  margin: 12px 0 0;
  line-height: 1.75;
}

.disclaimer {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.65;
}

@media (max-width: 920px) {
  .app-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100vw - 20px, 100%);
    padding: 24px 0 36px;
  }

  .form-panel,
  .result-panel {
    padding: 18px;
    border-radius: 22px;
  }

  .field-grid,
  .score-strip {
    grid-template-columns: 1fr;
  }

  .result-top,
  .score-strip > div,
  .insight-block {
    padding: 16px;
  }
}