@import url("https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,600;9..144,700&family=Nunito:wght@500;700;800&display=swap");

:root {
  --paper: transparent;
  --ink: #1c2430;
  --muted: #4d5a6a;
  --line: rgba(28, 36, 48, 0.12);
  --card: rgba(255, 252, 247, 0.88);
  --accent: #0e6e56;
  --accent-2: #dff6ee;
  --warn: #9a4a12;
  --gold: #e8b84a;
  --shadow: 0 18px 50px rgba(28, 36, 48, 0.12);
  font-family: Nunito, "Segoe UI", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  color: var(--ink);
}

html {
  min-height: 100%;
  background: #c9e4f2;
}

body {
  min-height: 100vh;
  line-height: 1.55;
  background:
    radial-gradient(900px 520px at 8% -8%, #ffe08a 0%, transparent 58%),
    radial-gradient(720px 480px at 100% 0%, #7ec8ff 0%, transparent 52%),
    radial-gradient(640px 520px at 92% 108%, #67e0b8 0%, transparent 55%),
    radial-gradient(500px 380px at 0% 80%, #f7b7d2 0%, transparent 50%),
    linear-gradient(165deg, #f8e7c9 0%, #d7eef8 42%, #e4f6ea 100%);
  background-attachment: fixed;
}

body::before {
  content: "";
  pointer-events: none;
  position: fixed;
  inset: -20%;
  opacity: 0.18;
  background:
    repeating-radial-gradient(circle at 18% 22%, transparent 0 46px, rgba(255, 255, 255, 0.35) 47px 48px),
    repeating-radial-gradient(circle at 82% 70%, transparent 0 70px, rgba(14, 110, 86, 0.12) 71px 72px);
  z-index: -1;
}

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

header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 252, 247, 0.72);
  backdrop-filter: blur(12px);
}

.wrap {
  width: min(960px, calc(100% - 2rem));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  flex-wrap: wrap;
}

.lang-switch {
  margin-left: auto;
}

.lang-switch select {
  font: inherit;
  font-size: 0.85rem;
  font-weight: 700;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 0.35rem 0.7rem;
  max-width: 11rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.langs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.9rem;
  width: 100%;
  margin-top: 0.35rem;
  font-size: 0.82rem;
}

.langs a[aria-current="true"] {
  font-weight: 800;
  color: var(--ink);
  text-decoration: none;
  pointer-events: none;
}

html[dir="rtl"] .lang-switch {
  margin-left: 0;
  margin-right: auto;
}

html[lang="ar"] body,
html[lang="ar"] button,
html[lang="ar"] input,
html[lang="ar"] select {
  font-family: "Segoe UI", Tahoma, "Noto Naskh Arabic", Nunito, sans-serif;
}

html[lang="hi"] body {
  font-family: "Nirmala UI", Mangal, Nunito, sans-serif;
}

html[lang="th"] body {
  font-family: "Leelawadee UI", Tahoma, Nunito, sans-serif;
}

html[lang="ja"] body {
  font-family: "Yu Gothic UI", "Hiragino Sans", Nunito, sans-serif;
}

html[lang="ko"] body {
  font-family: "Malgun Gothic", "Apple SD Gothic Neo", Nunito, sans-serif;
}

.brand {
  font-family: Fraunces, Georgia, serif;
  font-weight: 700;
  letter-spacing: -0.03em;
  text-decoration: none;
  color: var(--ink);
  font-size: 1.28rem;
}

nav.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  font-size: 0.92rem;
}

nav.links a {
  color: var(--muted);
  text-decoration: none;
}

nav.links a[aria-current="page"] {
  color: var(--ink);
  font-weight: 800;
}

main {
  padding: 1.75rem 0 3rem;
}

h1 {
  font-family: Fraunces, Georgia, serif;
  font-size: clamp(2rem, 5vw, 2.85rem);
  letter-spacing: -0.04em;
  line-height: 1.12;
  margin: 0 0 0.6rem;
}

.kicker {
  margin: 0 0 0.45rem;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.lead {
  margin: 0 0 1.4rem;
  color: var(--muted);
  max-width: 40rem;
  font-size: 1.08rem;
}

.hero-answer {
  margin: 0 0 1.15rem;
  padding: 1.15rem 1.2rem 1.25rem;
  border-radius: 22px;
  background: linear-gradient(135deg, rgba(14, 110, 86, 0.95), #146c8c);
  color: #fff;
  box-shadow: var(--shadow);
}

.hero-answer .hero-label {
  margin: 0;
  opacity: 0.85;
  font-weight: 700;
}

.hero-answer .hero-num {
  margin: 0.25rem 0 0;
  font-family: Fraunces, Georgia, serif;
  font-size: clamp(2.4rem, 8vw, 4rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.hero-answer .hero-sub {
  margin: 0.7rem 0 0;
  font-size: 1.02rem;
  opacity: 0.95;
}

.tool {
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 22px;
  padding: 1.2rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.grid {
  display: grid;
  gap: 0.85rem;
}

@media (min-width: 700px) {
  .grid.times {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

label {
  display: block;
  font-size: 0.88rem;
  font-weight: 800;
}

input,
select,
button {
  font: inherit;
}

input[type="time"],
input[type="number"],
input[type="text"] {
  width: 100%;
  margin-top: 0.3rem;
  padding: 0.7rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.9rem 0 0;
}

.chips button,
button.ghost,
button.primary {
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 0.4rem 0.8rem;
  cursor: pointer;
}

button.primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  padding: 0.7rem 1rem;
  font-weight: 800;
}

.result {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 16px;
  background: var(--accent-2);
}

.result .big {
  font-family: Fraunces, Georgia, serif;
  font-size: clamp(2rem, 6vw, 3rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
  font-weight: 700;
  line-height: 1;
}

.result .meta {
  margin-top: 0.65rem;
  color: var(--muted);
}

.badge {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--warn);
}

.copy {
  margin-top: 0.75rem;
}

.prose {
  margin-top: 2rem;
  max-width: 42rem;
}

.prose h2 {
  font-family: Fraunces, Georgia, serif;
  font-size: 1.35rem;
  margin: 1.6rem 0 0.5rem;
}

.prose p,
.prose li {
  color: var(--ink);
}

.tools {
  display: grid;
  gap: 0.75rem;
  margin: 1.5rem 0 0;
}

@media (min-width: 700px) {
  .tools {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  .tools {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.tools a {
  display: block;
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 16px;
  padding: 0.95rem 1rem;
  text-decoration: none;
  color: var(--ink);
  box-shadow: 0 10px 24px rgba(28, 36, 48, 0.06);
}

.tools a strong {
  display: block;
}

.tools a span {
  color: var(--muted);
  font-size: 0.92rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-variant-numeric: tabular-nums;
}

th,
td {
  text-align: left;
  padding: 0.45rem 0.3rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.92rem;
}

.card-table input[type="time"],
.card-table input[type="number"] {
  min-width: 0;
  padding: 0.4rem;
}

.note {
  font-size: 0.88rem;
  color: var(--muted);
}

footer {
  border-top: 1px solid var(--line);
  padding: 1.2rem 0 2rem;
  color: var(--muted);
  font-size: 0.88rem;
  background: rgba(255, 252, 247, 0.45);
}

footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
}

.skip {
  position: absolute;
  left: -999px;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
  background: #fff;
  padding: 0.4rem;
}