/* ─────────────────────────────────────────────────────────────────────
   NutriChart — customer-facing theme
   Fresh green / warm cream. Used by /, /form, /checkout, /thanks.
   (Admin pages use admin.css.)
   ───────────────────────────────────────────────────────────────────── */

@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap");

:root {
  --green:        #1b7f4f;
  --green-dark:   #12603b;
  --green-deep:   #0c452a;
  --green-light:  #e8f5ee;
  --green-mid:    #c3e5d3;
  --green-glow:   rgba(27, 127, 79, 0.14);

  --accent:       #f2a03d;
  --accent-soft:  #fdf1e2;

  --cream:        #fbfaf6;
  --white:        #ffffff;
  --card:         #ffffff;

  --ink:          #1a2b23;
  --ink-soft:     #46584f;
  --muted:        #6b7c74;
  --faint:        #9aa8a1;
  --line:         #dfe8e3;

  --error:        #c8442f;
  --error-bg:     #fdeeeb;
  --success:      #1b7f4f;
  --success-bg:   #e8f5ee;
  --warn:         #9a6b12;
  --warn-bg:      #fdf6e3;

  --r-sm: 0.5rem;
  --r-md: 0.875rem;
  --r-lg: 1.25rem;
  --r-xl: 1.75rem;
  --r-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(26, 43, 35, 0.06), 0 1px 3px rgba(26, 43, 35, 0.05);
  --shadow-md: 0 4px 12px rgba(26, 43, 35, 0.07), 0 2px 4px rgba(26, 43, 35, 0.04);
  --shadow-lg: 0 12px 32px rgba(26, 43, 35, 0.10), 0 4px 8px rgba(26, 43, 35, 0.04);

  --font: "Plus Jakarta Sans", -apple-system, "Segoe UI", sans-serif;

  --tx-xs:   clamp(0.70rem, 0.66rem + 0.18vw, 0.78rem);
  --tx-sm:   clamp(0.82rem, 0.78rem + 0.20vw, 0.92rem);
  --tx-base: clamp(0.94rem, 0.90rem + 0.25vw, 1.02rem);
  --tx-lg:   clamp(1.10rem, 1.00rem + 0.50vw, 1.30rem);
  --tx-xl:   clamp(1.35rem, 1.18rem + 0.85vw, 1.85rem);
  --tx-2xl:  clamp(1.75rem, 1.35rem + 1.80vw, 2.75rem);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-font-smoothing: antialiased; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--cream);
  color: var(--ink);
  font-size: var(--tx-base);
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Layout ─────────────────────────────────────────────────────────── */
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 1.25rem; }
.wrap-narrow { max-width: 640px; margin: 0 auto; padding: 0 1.25rem; }
.section { padding: 3rem 0; }
.stack { display: flex; flex-direction: column; gap: 1rem; }
.row { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; }
.spread { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.center { text-align: center; }
.hide { display: none !important; }

/* ── Top bar ────────────────────────────────────────────────────────── */
.topbar {
  background: var(--white);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 50;
}
.topbar-inner {
  max-width: 1080px; margin: 0 auto; padding: 0.85rem 1.25rem;
  display: flex; justify-content: space-between; align-items: center;
}
.logo { display: flex; align-items: center; gap: 0.55rem; font-weight: 800; color: var(--green-dark); font-size: 1.15rem; }
.logo-mark {
  width: 32px; height: 32px; border-radius: 9px;
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
  display: grid; place-items: center; color: white; font-size: 1rem;
}
.logo-sub { font-size: var(--tx-xs); color: var(--muted); font-weight: 500; letter-spacing: 0.04em; }

/* ── Hero ───────────────────────────────────────────────────────────── */
.hero {
  background: linear-gradient(165deg, var(--green-light) 0%, var(--cream) 62%);
  padding: 3.5rem 0 3rem;
  border-bottom: 1px solid var(--line);
}
.hero h1 {
  font-size: var(--tx-2xl); line-height: 1.15; font-weight: 800;
  color: var(--green-deep); letter-spacing: -0.02em; margin-bottom: 0.85rem;
}
.hero h1 em { font-style: normal; color: var(--green); }
.hero p { font-size: var(--tx-lg); color: var(--ink-soft); max-width: 40rem; }

.pill {
  display: inline-flex; align-items: center; gap: 0.4rem;
  background: var(--white); border: 1px solid var(--green-mid);
  color: var(--green-dark); font-size: var(--tx-xs); font-weight: 700;
  padding: 0.35rem 0.8rem; border-radius: var(--r-full);
  letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 1.1rem;
}

/* ── Cards ──────────────────────────────────────────────────────────── */
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 1.5rem; box-shadow: var(--shadow-sm);
}
.card-pad-lg { padding: 2rem; }
.card h2 { font-size: var(--tx-xl); color: var(--green-deep); margin-bottom: 0.4rem; font-weight: 800; letter-spacing: -0.01em; }
.card h3 { font-size: var(--tx-lg); color: var(--green-dark); margin-bottom: 0.5rem; font-weight: 700; }
.card p.lede { color: var(--muted); margin-bottom: 1.25rem; }

.grid { display: grid; gap: 1.25rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); }

/* ── Forms ──────────────────────────────────────────────────────────── */
.field { margin-bottom: 1.05rem; }
.field label {
  display: block; font-size: var(--tx-sm); font-weight: 700;
  color: var(--ink-soft); margin-bottom: 0.4rem;
}
.field .hint { font-size: var(--tx-xs); color: var(--faint); font-weight: 500; margin-top: 0.3rem; }

input[type="text"], input[type="tel"], input[type="email"], input[type="number"],
input[type="password"], select, textarea {
  width: 100%; padding: 0.72rem 0.9rem;
  border: 1.5px solid var(--line); border-radius: var(--r-md);
  background: var(--white); color: var(--ink);
  font-family: var(--font); font-size: var(--tx-base); font-weight: 500;
  transition: border-color 0.15s, box-shadow 0.15s;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--green);
  box-shadow: 0 0 0 3px var(--green-glow);
}
input::placeholder, textarea::placeholder { color: var(--faint); font-weight: 400; }
textarea { resize: vertical; min-height: 76px; }
select { cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236b7c74' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.9rem center; padding-right: 2.2rem;
}

/* Chip multi-select (conditions, allergies) */
.chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.chip {
  display: inline-flex; align-items: center; cursor: pointer;
  padding: 0.45rem 0.85rem; border-radius: var(--r-full);
  border: 1.5px solid var(--line); background: var(--white);
  font-size: var(--tx-sm); font-weight: 600; color: var(--ink-soft);
  transition: all 0.15s; user-select: none;
}
.chip:hover { border-color: var(--green-mid); }
.chip input { display: none; }
.chip.on { background: var(--green-light); border-color: var(--green); color: var(--green-dark); }

/* Radio cards (gender, activity, diet) */
.opt-grid { display: grid; gap: 0.6rem; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); }
.opt {
  position: relative; cursor: pointer; padding: 0.75rem 0.9rem;
  border: 1.5px solid var(--line); border-radius: var(--r-md);
  background: var(--white); transition: all 0.15s;
}
.opt:hover { border-color: var(--green-mid); }
.opt input { position: absolute; opacity: 0; }
.opt-title { font-weight: 700; font-size: var(--tx-sm); color: var(--ink); }
.opt-desc { font-size: var(--tx-xs); color: var(--muted); margin-top: 0.15rem; }
.opt.on { border-color: var(--green); background: var(--green-light); box-shadow: 0 0 0 3px var(--green-glow); }
.opt.on .opt-title { color: var(--green-dark); }

/* ── Buttons ────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.82rem 1.6rem; border: none; border-radius: var(--r-full);
  font-family: var(--font); font-size: var(--tx-base); font-weight: 700;
  cursor: pointer; transition: transform 0.12s, box-shadow 0.15s, background 0.15s;
  text-decoration: none; line-height: 1.2;
}
.btn-primary {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
  color: white; box-shadow: var(--shadow-md);
}
.btn-primary:hover:not(:disabled) { transform: translateY(-1px); box-shadow: var(--shadow-lg); }
.btn-ghost { background: var(--white); color: var(--green-dark); border: 1.5px solid var(--line); }
.btn-ghost:hover:not(:disabled) { border-color: var(--green-mid); background: var(--green-light); }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }
.btn-lg { padding: 1rem 2rem; font-size: var(--tx-lg); }

/* ── Plan cards ─────────────────────────────────────────────────────── */
.plan {
  position: relative; background: var(--white); border: 2px solid var(--line);
  border-radius: var(--r-lg); padding: 1.5rem; cursor: pointer;
  transition: all 0.18s; display: flex; flex-direction: column;
}
.plan:hover { border-color: var(--green-mid); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.plan.on { border-color: var(--green); box-shadow: 0 0 0 4px var(--green-glow), var(--shadow-md); }
.plan.featured { border-color: var(--accent); }
.plan-tag {
  position: absolute; top: -0.7rem; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: white; font-size: var(--tx-xs); font-weight: 800;
  padding: 0.2rem 0.75rem; border-radius: var(--r-full);
  letter-spacing: 0.06em; text-transform: uppercase; white-space: nowrap;
}
.plan-name { font-size: var(--tx-lg); font-weight: 800; color: var(--green-deep); }
.plan-dur { font-size: var(--tx-xs); color: var(--muted); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.85rem; }
.plan-price { font-size: 2rem; font-weight: 800; color: var(--green); line-height: 1; }
.plan-was { font-size: var(--tx-sm); color: var(--faint); text-decoration: line-through; margin-left: 0.45rem; }
.plan-off { display: inline-block; background: var(--accent-soft); color: #9a6b12;
  font-size: var(--tx-xs); font-weight: 800; padding: 0.15rem 0.5rem;
  border-radius: var(--r-sm); margin-left: 0.4rem; }
.plan-feats { list-style: none; margin: 1rem 0 0; display: flex; flex-direction: column; gap: 0.5rem; }
.plan-feats li { font-size: var(--tx-sm); color: var(--ink-soft); padding-left: 1.4rem; position: relative; }
.plan-feats li::before {
  content: "✓"; position: absolute; left: 0; color: var(--green);
  font-weight: 800; font-size: 0.9rem;
}

/* ── Stat tiles (live preview) ──────────────────────────────────────── */
.stats { display: grid; gap: 0.75rem; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }
.stat {
  background: var(--green-light); border: 1px solid var(--green-mid);
  border-radius: var(--r-md); padding: 0.9rem 1rem;
}
.stat-val { font-size: 1.5rem; font-weight: 800; color: var(--green-dark); line-height: 1.1; }
.stat-val small { font-size: 0.7rem; font-weight: 700; color: var(--muted); }
.stat-lbl { font-size: var(--tx-xs); color: var(--muted); font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em; margin-top: 0.2rem; }

/* ── Notices ────────────────────────────────────────────────────────── */
.notice { padding: 0.85rem 1.1rem; border-radius: var(--r-md); font-size: var(--tx-sm);
  font-weight: 500; border: 1px solid transparent; }
.notice-error { background: var(--error-bg); color: var(--error); border-color: #f5c9c0; }
.notice-ok { background: var(--success-bg); color: var(--green-dark); border-color: var(--green-mid); }
.notice-warn { background: var(--warn-bg); color: var(--warn); border-color: #f0dfae; }
.notice-info { background: var(--green-light); color: var(--green-dark); border-color: var(--green-mid); }

/* ── Steps ──────────────────────────────────────────────────────────── */
.steps { display: flex; align-items: center; gap: 0.4rem; margin-bottom: 1.75rem; flex-wrap: wrap; }
.step { display: flex; align-items: center; gap: 0.45rem; font-size: var(--tx-sm);
  font-weight: 700; color: var(--faint); }
.step-num { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center;
  background: var(--line); color: var(--muted); font-size: 0.75rem; font-weight: 800; }
.step.on { color: var(--green-dark); }
.step.on .step-num { background: var(--green); color: white; }
.step.done .step-num { background: var(--green-mid); color: var(--green-dark); }
.step-bar { flex: 1; height: 2px; background: var(--line); min-width: 16px; }

/* ── Misc ───────────────────────────────────────────────────────────── */
.spinner {
  width: 18px; height: 18px; border: 2.5px solid rgba(255,255,255,0.35);
  border-top-color: white; border-radius: 50%; animation: spin 0.7s linear infinite;
}
.spinner-dark { border-color: var(--green-mid); border-top-color: var(--green); }
@keyframes spin { to { transform: rotate(360deg); } }

.disclaimer {
  font-size: var(--tx-xs); color: var(--muted); line-height: 1.55;
  background: var(--white); border: 1px solid var(--line);
  border-left: 3px solid var(--accent); border-radius: var(--r-sm);
  padding: 0.85rem 1rem;
}

.footer { border-top: 1px solid var(--line); padding: 2rem 0; margin-top: 3rem;
  color: var(--muted); font-size: var(--tx-sm); background: var(--white); }

@media (max-width: 560px) {
  .section { padding: 2rem 0; }
  .card { padding: 1.15rem; }
  .card-pad-lg { padding: 1.25rem; }
  .hero { padding: 2.25rem 0 2rem; }
}