:root {
  --cream:             #FAF6EE;
  --parchment:         #F0E5D0;
  --parchment-mid:     #E6D9C4;
  --white-warm:        #FFFEF9;
  --brown-dark:        #1C1008;
  --brown-mid:         #5C3D2E;
  --brown-light:       #9C7A65;
  --terracotta:        #C4622D;
  --terracotta-hover:  #A04E22;
  --terracotta-pale:   #F5DDD0;
  --danger:            #B83232;
  --danger-hover:      #962828;
  --shadow-sm:         0 1px 4px rgba(44, 26, 14, 0.07);
  --shadow-card:       0 4px 20px rgba(44, 26, 14, 0.08);
  --shadow-warm:       0 4px 16px rgba(196, 98, 45, 0.18);
  --radius:            10px;
  --radius-sm:         6px;
  --radius-btn:        8px;
}

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

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  color: var(--brown-dark);
  background: var(--cream);
  line-height: 1.6;
  font-size: 15px;
}

/* ── Navigation ─────────────────────────────────────── */
.nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.875rem 2rem;
  background: var(--brown-dark);
  color: var(--parchment);
  border-bottom: 2px solid var(--terracotta);
}
.nav a {
  color: #C4A882;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.04em;
  transition: color 0.15s;
}
.nav a:hover { color: var(--cream); }
.nav__brand {
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 1.25rem;
  margin-right: auto;
  color: var(--cream);
  letter-spacing: 0.01em;
  font-style: italic;
}
.nav__logout button {
  background: transparent;
  border: 1px solid rgba(196, 168, 130, 0.35);
  color: #C4A882;
  padding: 0.3rem 0.875rem;
  border-radius: var(--radius-btn);
  cursor: pointer;
  font-size: 0.8rem;
  font-family: 'DM Sans', sans-serif;
  letter-spacing: 0.03em;
  transition: all 0.15s;
}
.nav__logout button:hover {
  background: rgba(196, 168, 130, 0.1);
  color: var(--cream);
  border-color: rgba(196, 168, 130, 0.6);
}

/* ── Layout ──────────────────────────────────────────── */
.main { max-width: 1120px; margin: 2.5rem auto; padding: 0 2rem; }

/* ── Flash messages ──────────────────────────────────── */
.flash {
  background: var(--terracotta-pale);
  border: 1px solid rgba(196, 98, 45, 0.3);
  color: var(--terracotta-hover);
  padding: 0.75rem 1.25rem;
  margin-bottom: 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
}

/* ── Typography ──────────────────────────────────────── */
h1 {
  font-family: 'Playfair Display', serif;
  font-size: 2.1rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--brown-dark);
  line-height: 1.2;
}
h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--brown-dark);
}

/* ── Forms ───────────────────────────────────────────── */
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.4rem;
  font-size: 0.825rem;
  color: var(--brown-mid);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1.5px solid var(--parchment-mid);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: 'DM Sans', sans-serif;
  background: var(--white-warm);
  color: var(--brown-dark);
  transition: border-color 0.15s, box-shadow 0.15s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--terracotta);
  box-shadow: 0 0 0 3px rgba(196, 98, 45, 0.1);
}
.form-group small { display: block; color: var(--brown-light); font-size: 0.8rem; margin-top: 0.3rem; }

/* ── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-block;
  padding: 0.55rem 1.375rem;
  border-radius: var(--radius-btn);
  font-size: 0.875rem;
  font-family: 'DM Sans', sans-serif;
  font-weight: 500;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.15s;
  letter-spacing: 0.02em;
  line-height: 1.5;
}
.btn--primary { background: var(--terracotta); color: var(--cream); }
.btn--primary:hover { background: var(--terracotta-hover); box-shadow: var(--shadow-warm); }
.btn--secondary { background: var(--parchment); color: var(--brown-mid); }
.btn--secondary:hover { background: var(--parchment-mid); color: var(--brown-dark); }
.btn--danger { background: var(--danger); color: white; }
.btn--danger:hover { background: var(--danger-hover); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Meal plan — week nav ────────────────────────────── */
.week-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.week-nav strong {
  font-family: 'Playfair Display', serif;
  font-size: 1.05rem;
  color: var(--brown-dark);
  font-style: italic;
}
.week-nav input[type=date] {
  padding: 0.35rem 0.625rem;
  border: 1.5px solid var(--parchment-mid);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-family: 'DM Sans', sans-serif;
  background: var(--white-warm);
  color: var(--brown-dark);
}

/* ── Meal plan — day cards ───────────────────────────── */
.week-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}
.day-card {
  background: var(--white-warm);
  border: 1px solid #EDE4D6;
  border-top: 3px solid var(--terracotta);
  border-radius: var(--radius);
  padding: 0.875rem 0.75rem;
  min-height: 180px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s, transform 0.15s;
  display: flex;
  flex-direction: column;
}
.day-card:hover {
  box-shadow: 0 6px 28px rgba(44, 26, 14, 0.12);
  transform: translateY(-1px);
}
.day-card__header {
  font-size: 0.65rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--terracotta);
  margin-bottom: 0.6rem;
}
.day-card__meal {
  flex: 1;
  font-size: 0.85rem;
  margin-bottom: 0.625rem;
}
.day-card__meal strong {
  font-family: 'Playfair Display', serif;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--brown-dark);
  line-height: 1.3;
  display: block;
  margin-bottom: 0.3rem;
}
.day-card__meal p {
  color: var(--brown-light);
  font-size: 0.75rem;
  line-height: 1.45;
}
.day-card__actions {
  display: flex;
  gap: 0.25rem;
  flex-wrap: wrap;
  margin-top: auto;
}
.day-card__actions .btn {
  font-size: 0.7rem;
  padding: 0.2rem 0.5rem;
  border-radius: 5px;
}
.day-card--loading { opacity: 0.45; pointer-events: none; }

/* ── Recipe cards ────────────────────────────────────── */
.recipe-list { display: grid; gap: 0.875rem; }
.recipe-card {
  background: var(--white-warm);
  border: 1px solid #EDE4D6;
  border-left: 3px solid var(--terracotta);
  border-radius: var(--radius);
  padding: 1.125rem 1.25rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s;
}
.recipe-card:hover { box-shadow: var(--shadow-card); }
.recipe-card__title {
  font-family: 'Playfair Display', serif;
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
  color: var(--brown-dark);
}
.recipe-card__actions { display: flex; gap: 0.5rem; margin-top: 0.875rem; }

/* ── Shopping list ───────────────────────────────────── */
.shopping-list { list-style: none; }
.shopping-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0;
  border-bottom: 1px solid #EDE4D6;
  font-size: 0.9rem;
}
.shopping-list li input[type=checkbox] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--terracotta);
  flex-shrink: 0;
}
.shopping-list li.checked { text-decoration: line-through; color: var(--brown-light); }
.category-heading {
  font-family: 'Playfair Display', serif;
  font-weight: 600;
  font-size: 1rem;
  text-transform: capitalize;
  margin: 1.5rem 0 0.5rem;
  color: var(--terracotta);
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--parchment-mid);
}

/* ── Spinner ─────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--parchment);
  border-top-color: var(--terracotta);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Checkbox grid (preferences page) ───────────────── */
.checkbox-grid { display: flex; flex-wrap: wrap; gap: 0.5rem 2rem; }
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--brown-mid);
  transition: color 0.12s;
}
.checkbox-label:hover { color: var(--brown-dark); }
.checkbox-label input[type=checkbox] {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  accent-color: var(--terracotta);
}