/* =====================================================================
   NUTRIENTS MODULE — Core Nutrients & Longevity (70 substances)
   ===================================================================== */

/* Home card variant */
.mode-card.nutrients-cta {
  border-color: rgba(231, 76, 60, 0.35);
  background: linear-gradient(135deg, rgba(231,76,60,0.06) 0%, rgba(155,89,182,0.04) 100%);
}
.mode-card.nutrients-cta:hover {
  background: linear-gradient(135deg, rgba(231,76,60,0.10) 0%, rgba(155,89,182,0.07) 100%);
  border-color: rgba(231, 76, 60, 0.55);
}
.mode-card.nutrients-cta .mode-icon {
  background: radial-gradient(circle at 30% 30%, rgba(231,76,60,0.28), rgba(155,89,182,0.18));
  box-shadow: 0 0 24px rgba(231, 76, 60, 0.25);
}

/* Intro / category screen */
.nutri-intro { padding: 22px 20px 14px; text-align: center; }
.nutri-intro-icon { font-size: 2.6rem; margin-bottom: 8px; filter: drop-shadow(0 0 18px rgba(231,76,60,0.35)); }
.nutri-intro-title { font-size: 1.32rem; font-weight: 800; color: var(--text); margin-bottom: 8px; letter-spacing: -0.01em; }
.nutri-intro-subtitle { font-size: 0.86rem; color: var(--text2); max-width: 440px; margin: 0 auto; line-height: 1.55; }

.nutri-cat-grid { display: flex; flex-direction: column; gap: 10px; padding: 12px 16px 16px; }
.nutri-cat-card {
  --cat-color: #3498db;
  display: flex; align-items: center; gap: 14px;
  width: 100%; padding: 14px 16px;
  text-align: left;
  background: var(--surface);
  border: 1.5px solid var(--cat-color);
  border-radius: 14px;
  transition: transform 0.15s, background 0.2s, box-shadow 0.2s;
  font-family: inherit;
  position: relative;
}
.nutri-cat-card:hover {
  background: var(--surface2);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px color-mix(in srgb, var(--cat-color) 20%, transparent);
}
.nutri-cat-card:active { transform: scale(0.99); }
.nutri-cat-card.nutri-cat-featured {
  background: linear-gradient(135deg, color-mix(in srgb, var(--cat-color) 8%, var(--surface)) 0%, var(--surface) 80%);
  border-width: 2px;
  box-shadow: 0 6px 24px color-mix(in srgb, var(--cat-color) 22%, transparent);
}
.nutri-cat-icon {
  width: 52px; height: 52px; border-radius: 13px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.7rem; flex-shrink: 0;
}
.nutri-cat-info { flex: 1; min-width: 0; }
.nutri-cat-head { display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.nutri-cat-name { font-weight: 700; font-size: 1.05rem; color: var(--text); }
.nutri-cat-count {
  font-size: 0.72rem; font-weight: 700;
  color: var(--cat-color);
  background: color-mix(in srgb, var(--cat-color) 15%, transparent);
  padding: 2px 8px; border-radius: 999px;
}
.nutri-cat-blurb { font-size: 0.8rem; color: var(--text2); margin-top: 4px; line-height: 1.5; }
.nutri-cat-badge {
  display: inline-block;
  margin-top: 8px;
  padding: 3px 10px;
  font-size: 0.72rem; font-weight: 700;
  color: #fff;
  background: linear-gradient(90deg, #e74c3c, #9b59b6);
  border-radius: 999px;
  letter-spacing: 0.02em;
}
.nutri-cat-chev { color: var(--text3); font-size: 1.3rem; }

.nutri-disclaimer-mini {
  margin: 8px 16px 24px;
  padding: 10px 14px;
  font-size: 0.78rem;
  color: var(--text2);
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.30);
  border-radius: 10px;
  text-align: center;
}

/* List screen */
.nutri-list-header { padding: 16px 20px 8px; }
.nutri-list-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.84rem; font-weight: 700;
  margin-bottom: 8px;
}
.nutri-list-sub { font-size: 0.86rem; color: var(--text2); line-height: 1.5; margin-bottom: 4px; }
.nutri-list-sub-small { font-size: 0.76rem; color: var(--text3); line-height: 1.4; }
.nutri-list-body { padding: 8px 14px 24px; display: flex; flex-direction: column; gap: 8px; }
.nutri-substance-card {
  --cat-color: #3498db;
  display: flex; align-items: flex-start; gap: 12px;
  width: 100%; padding: 13px 14px;
  text-align: left;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: background 0.18s, transform 0.12s, border-color 0.18s;
  font-family: inherit;
  position: relative;
}
.nutri-substance-card:hover {
  background: var(--surface2);
  border-color: color-mix(in srgb, var(--cat-color) 40%, var(--border));
}
.nutri-substance-card:active { transform: scale(0.99); }
.nutri-rank {
  width: 26px; height: 26px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--cat-color) 18%, transparent);
  color: var(--cat-color);
  font-weight: 800; font-size: 0.82rem;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.nutri-substance-icon { font-size: 1.5rem; flex-shrink: 0; line-height: 1; padding-top: 1px; }
.nutri-substance-text { flex: 1; min-width: 0; }
.nutri-substance-name { font-weight: 700; font-size: 0.98rem; color: var(--text); margin-bottom: 3px; }
.nutri-substance-brief { font-size: 0.78rem; color: var(--text2); line-height: 1.45; }
.nutri-substance-chev { color: var(--text3); font-size: 1.3rem; align-self: center; }

/* Detail screen */
.nutri-detail-header {
  display: flex; gap: 14px; padding: 18px 20px 14px;
  border-bottom: 1px solid var(--border2);
}
.nutri-detail-icon {
  width: 58px; height: 58px; border-radius: 14px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 1.9rem; flex-shrink: 0;
}
.nutri-detail-meta { flex: 1; min-width: 0; }
.nutri-detail-name {
  font-size: 1.22rem; font-weight: 800;
  color: var(--text); margin: 0 0 2px;
  letter-spacing: -0.01em;
  line-height: 1.25;
}
.nutri-detail-en {
  font-size: 0.8rem; color: var(--text3); font-style: italic; margin-bottom: 6px;
}
.nutri-detail-brief { font-size: 0.85rem; color: var(--text2); line-height: 1.5; margin-bottom: 8px; }
.nutri-detail-cat {
  display: inline-block;
  padding: 3px 10px;
  font-size: 0.72rem; font-weight: 700;
  border-radius: 999px;
}

.nutri-detail-tabs {
  flex-shrink: 0;
  display: flex;
  gap: 6px;
  padding: 12px 14px;
  overflow-x: auto;
  overflow-y: visible;
  scrollbar-width: none;
  border-bottom: 1px solid var(--border2);
  min-height: 56px;
  align-items: center;
}
.nutri-detail-tabs::-webkit-scrollbar { display: none; }
.nutri-tab {
  --cat-color: #3498db;
  flex-shrink: 0;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 14px;
  min-height: 36px;
  white-space: nowrap;
  line-height: 1.2;
  border-radius: 999px;
  font-size: 0.86rem; font-weight: 600;
  background: var(--surface);
  border: 1px solid var(--border2);
  color: var(--text2);
  font-family: inherit;
  transition: all 0.18s;
}
.nutri-tab:hover { background: var(--surface2); color: var(--text); }
.nutri-tab.active {
  background: color-mix(in srgb, var(--cat-color) 18%, transparent);
  border-color: var(--cat-color);
  color: var(--cat-color);
}

.nutri-detail-body { padding: 14px 14px 30px; }
.nutri-section-intro {
  padding: 12px 14px;
  margin-bottom: 14px;
  font-size: 0.86rem;
  color: var(--text);
  background: rgba(231, 76, 60, 0.07);
  border: 1px solid rgba(231, 76, 60, 0.22);
  border-radius: 10px;
  line-height: 1.55;
}

/* Benefits tab */
.nutri-benefits-list {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-direction: column; gap: 10px;
}
.nutri-benefits-list li {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  font-size: 0.9rem;
  color: var(--text);
  line-height: 1.55;
}
.nutri-check {
  width: 24px; height: 24px;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 0.78rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Mechanism tab */
.nutri-mech-card {
  display: flex; gap: 14px;
  padding: 16px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.nutri-mech-icon { font-size: 2rem; flex-shrink: 0; }
.nutri-mech-text { font-size: 0.92rem; color: var(--text); line-height: 1.65; }

/* Dose tab */
.nutri-dose-card {
  display: flex; flex-direction: column; gap: 12px;
}
.nutri-dose-main {
  padding: 18px 16px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(52, 152, 219, 0.05) 100%);
  border: 1.5px solid rgba(16, 185, 129, 0.30);
  border-radius: 12px;
}
.nutri-dose-label {
  font-size: 0.76rem; font-weight: 700;
  color: #10b981;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
.nutri-dose-value {
  font-size: 1.05rem; font-weight: 700;
  color: var(--text); line-height: 1.5;
}
.nutri-caution-box {
  padding: 12px 14px;
  background: rgba(245, 158, 11, 0.08);
  border: 1px solid rgba(245, 158, 11, 0.30);
  border-radius: 10px;
}
.nutri-caution-head {
  font-size: 0.82rem; font-weight: 700;
  color: #f59e0b; margin-bottom: 5px;
}
.nutri-caution-text { font-size: 0.86rem; color: var(--text); line-height: 1.55; }

/* Sources tab */
.nutri-sources-card {
  display: flex; gap: 14px; align-items: center;
  padding: 16px 16px;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.08), rgba(52, 152, 219, 0.05));
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: 12px;
}
.nutri-sources-icon { font-size: 2rem; flex-shrink: 0; }
.nutri-sources-text { font-size: 0.94rem; color: var(--text); line-height: 1.55; }

/* Research tab */
.nutri-paper-card {
  display: flex; gap: 12px;
  padding: 13px 14px;
  margin-bottom: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  text-decoration: none;
  transition: all 0.18s;
}
.nutri-paper-card:hover {
  background: var(--surface2);
  border-color: rgba(52, 152, 219, 0.45);
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(52, 152, 219, 0.12);
}
.nutri-paper-num {
  width: 28px; height: 28px;
  background: rgba(52, 152, 219, 0.18);
  color: #3498db;
  font-weight: 800; font-size: 0.86rem;
  border-radius: 8px;
  display: inline-flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.nutri-paper-body { flex: 1; min-width: 0; }
.nutri-paper-title {
  font-size: 0.88rem; font-weight: 600;
  color: var(--text); line-height: 1.5;
  margin-bottom: 4px;
}
.nutri-paper-url {
  font-size: 0.76rem;
  color: #3498db; font-weight: 600;
}
.nutri-research-empty {
  padding: 24px 16px;
  text-align: center;
  color: var(--text3);
  font-size: 0.86rem;
  background: var(--surface);
  border: 1px dashed var(--border);
  border-radius: 12px;
}

/* Disclaimer */
.nutri-disclaimer {
  margin: 20px 0 0;
  padding: 14px 16px;
  background: rgba(245, 158, 11, 0.06);
  border: 1px solid rgba(245, 158, 11, 0.22);
  border-radius: 10px;
  font-size: 0.78rem;
  color: var(--text2);
  line-height: 1.55;
}
.nutri-disclaimer strong { color: #f59e0b; display: block; margin-bottom: 4px; font-size: 0.82rem; }
.nutri-disclaimer p { margin: 0; }