:root {
  color-scheme: light;
  --ink: #18312b;
  --muted: #63716c;
  --leaf: #2f725a;
  --leaf-dark: #225744;
  --mint: #dfeee5;
  --paper: #f6f7f2;
  --white: #fff;
  --line: #dce3dd;
  --danger: #a13c32;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  background:
    radial-gradient(circle at 8% 5%, rgba(201, 225, 209, .55), transparent 28rem),
    var(--paper);
  color: var(--ink);
}

button, input, select { font: inherit; }

.page-shell {
  width: min(100% - 32px, 1440px);
  margin: 0 auto;
  padding: 48px 0 64px;
}
.workspace-grid { display: grid; gap: 32px; }

.intro { max-width: 620px; margin-bottom: 32px; }
.eyebrow { color: var(--leaf); font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
h1, h2 { font-family: Georgia, "Times New Roman", serif; letter-spacing: -.035em; margin: 0; }
h1 { max-width: 580px; margin-top: 12px; font-size: clamp(2.85rem, 10vw, 5.3rem); line-height: .92; }
.intro > p { max-width: 540px; margin: 20px 0; color: var(--muted); font-size: 1rem; line-height: 1.65; }
.formula-note { display: inline-flex; align-items: center; gap: 10px; color: var(--leaf-dark); font-size: .8rem; font-weight: 600; }
.formula-note__icon { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--mint); }

.calculator {
  overflow: hidden;
  border: 1px solid rgba(47, 114, 90, .12);
  border-radius: 24px;
  background: rgba(255, 255, 255, .9);
  box-shadow: 0 22px 60px rgba(36, 61, 52, .09);
}

form { padding: 24px; }
fieldset { min-width: 0; margin: 0 0 24px; padding: 0; border: 0; }
legend, .field > span:first-child { display: block; margin-bottom: 9px; color: var(--ink); font-size: .8rem; font-weight: 700; }
.segmented-control { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 5px; border-radius: 13px; background: #eef1ed; }
.segmented-control input { position: absolute; opacity: 0; pointer-events: none; }
.segmented-control span { display: block; padding: 11px; border-radius: 9px; text-align: center; color: var(--muted); cursor: pointer; transition: .2s ease; }
.segmented-control input:checked + span { background: var(--white); color: var(--leaf-dark); font-weight: 700; box-shadow: 0 2px 8px rgba(24, 49, 43, .09); }
.segmented-control input:focus-visible + span { outline: 3px solid rgba(47, 114, 90, .25); }

.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 12px; }
.field--wide { grid-column: 1 / -1; }
.input-wrap, .select-wrap { display: flex; align-items: center; border: 1px solid var(--line); border-radius: 12px; background: var(--white); transition: border-color .2s, box-shadow .2s; }
.input-wrap:focus-within, .select-wrap:focus-within { border-color: var(--leaf); box-shadow: 0 0 0 3px rgba(47, 114, 90, .12); }
input, select { width: 100%; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--ink); }
input { padding: 13px 4px 13px 14px; font-weight: 600; }
.input-wrap small { padding-right: 13px; color: var(--muted); }
.activity { display: block; margin-top: 22px; }
select { padding: 13px 42px 13px 14px; appearance: none; cursor: pointer; }
.select-wrap { position: relative; }
.select-wrap::after { content: "⌄"; position: absolute; right: 15px; top: 10px; color: var(--leaf); font-size: 1.2rem; pointer-events: none; }
.form-error { margin: 16px 0 0; padding: 11px 13px; border-radius: 10px; background: #fae9e6; color: var(--danger); font-size: .82rem; }
.calculate-button { display: flex; justify-content: space-between; align-items: center; width: 100%; margin-top: 22px; padding: 15px 18px; border: 0; border-radius: 12px; background: var(--leaf); color: var(--white); font-weight: 700; cursor: pointer; transition: transform .15s, background .15s; }
.calculate-button:hover { background: var(--leaf-dark); }
.calculate-button:active { transform: translateY(1px); }

.results { padding: 24px; background: var(--ink); color: var(--white); }
.results__heading h2 { margin-top: 4px; font-size: 2rem; }
.results .eyebrow { color: #9fd0b8; }
.result-primary { margin: 26px 0 18px; padding-bottom: 22px; border-bottom: 1px solid rgba(255,255,255,.15); }
.result-primary > span { display: block; color: #b8c7c2; font-size: .78rem; }
.result-primary strong { display: block; margin: 5px 0 0; font-size: clamp(2.8rem, 14vw, 4.5rem); line-height: 1; letter-spacing: -.06em; }
.result-primary strong small { font-size: 1rem; letter-spacing: 0; color: #b8c7c2; }
.result-secondary { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.result-secondary span { display: flex; flex-direction: column; gap: 5px; }
.result-secondary strong { font-size: 1rem; }
.result-secondary small { color: #9db0aa; font-size: .72rem; }
.result-disclaimer { margin: 24px 0 0; color: #91a59f; font-size: .7rem; line-height: 1.5; }

.meal-planner { min-width: 0; }
.planner-intro { padding: 28px; border: 1px solid rgba(47, 114, 90, .14); border-radius: 24px; background: rgba(255,255,255,.72); }
.planner-intro h2 { max-width: 650px; margin-top: 8px; font-size: clamp(2rem, 8vw, 3.5rem); line-height: 1; }
.planner-intro > div > p { max-width: 610px; margin: 14px 0 24px; color: var(--muted); line-height: 1.6; }
.planner-controls fieldset { margin-bottom: 0; }
.segmented-control--diet { grid-template-columns: 1fr; }
.preference-grid { display: grid; gap: 14px; margin-top: 22px; }
.preference-grid .field { display: block; }
.meal-plan-results { margin-top: 20px; padding: 24px; border-radius: 24px; background: var(--ink); color: var(--white); }
.plan-summary { display: flex; flex-direction: column; gap: 22px; padding-bottom: 24px; border-bottom: 1px solid rgba(255,255,255,.14); }
.plan-summary h2 { margin-top: 4px; font-size: 2.5rem; }
.plan-summary .eyebrow { color: #9fd0b8; }
.plan-summary dl { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 0; }
.plan-summary dl div { padding: 12px; border-radius: 12px; background: rgba(255,255,255,.08); }
.plan-summary dt { color: #9db0aa; font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; }
.plan-summary dd { margin: 5px 0 0; font-size: .88rem; font-weight: 700; }
.plan-days { display: grid; gap: 10px; margin-top: 18px; }
.day-card { overflow: hidden; border: 1px solid rgba(255,255,255,.13); border-radius: 15px; background: rgba(255,255,255,.045); }
.day-card summary { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 17px; cursor: pointer; list-style: none; }
.day-card summary::-webkit-details-marker { display: none; }
.day-card summary::after { content: "+"; color: #9fd0b8; font-size: 1.4rem; font-weight: 400; }
.day-card[open] summary::after { content: "−"; }
.day-card__heading { display: flex; flex-direction: column; gap: 3px; }
.day-card__heading strong { font-family: Georgia, "Times New Roman", serif; font-size: 1.25rem; }
.day-card__heading small { color: #9db0aa; }
.meal-list { margin: 0; padding: 0 17px 8px; list-style: none; }
.meal-list li { display: grid; grid-template-columns: 1fr auto; gap: 8px 16px; padding: 14px 0; border-top: 1px solid rgba(255,255,255,.1); }
.meal-list span { color: #e9f0ed; font-size: .87rem; }
.meal-list .meal-culture { display: block; margin-top: 4px; color: #93a8a1; font-size: .68rem; }
.meal-list small { grid-column: 1; color: #93a8a1; font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; }
.meal-list strong { grid-column: 2; grid-row: 1 / 3; align-self: center; color: #b5ddc8; font-size: .78rem; }
.plan-note { margin: 22px 0 0; color: #91a59f; font-size: .7rem; line-height: 1.5; }

@media (min-width: 760px) {
  .page-shell { padding: 56px 0 80px; }
  .intro { margin-bottom: 40px; }
  .calculator { border-radius: 28px; }
  form, .results { padding: 32px; }
  .field-grid { grid-template-columns: repeat(3, 1fr); }
  .field--wide { grid-column: auto; }
  .planner-intro { display: grid; grid-template-columns: 1fr minmax(340px, .65fr); gap: 52px; align-items: end; padding: 40px; border-radius: 28px; }
  .planner-intro > div > p { margin-bottom: 0; }
  .segmented-control--diet { grid-template-columns: repeat(3, 1fr); }
  .preference-grid { grid-template-columns: repeat(3, 1fr); }
  .meal-plan-results { padding: 36px; border-radius: 28px; }
  .plan-summary { flex-direction: row; justify-content: space-between; align-items: end; }
  .plan-summary dl { width: min(100%, 520px); grid-template-columns: repeat(3, 1fr); }
  .plan-days { grid-template-columns: 1fr 1fr; gap: 14px; }
}

@media (min-width: 960px) {
  .workspace-grid { grid-template-columns: minmax(360px, .75fr) minmax(0, 1.35fr); gap: clamp(28px, 3vw, 48px); align-items: start; }
  .field-grid { grid-template-columns: 1fr 1fr; }
  .field--wide { grid-column: 1 / -1; }
  .planner-intro { display: block; }
  .planner-intro > div > p { margin-bottom: 24px; }
  .plan-days { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1380px) {
  .planner-intro { display: grid; grid-template-columns: minmax(0, .75fr) minmax(360px, 1fr); gap: 40px; }
  .planner-intro > div > p { margin-bottom: 0; }
}

@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }