/* ── Calculator page styles ── */

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #22263a;
  --border: #2e3350;
  --accent: #4f8ef7;
  --accent2: #34d399;
  --accent3: #f87171;
  --accent4: #fbbf24;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}

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

.calc-header {
  text-align: center;
  padding: 32px 16px 20px;
}
.calc-header h1 {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 6px;
}
.calc-header p { color: var(--muted); font-size: 0.9rem; margin: 0; }

.layout {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 24px;
  align-items: start;
  padding: 0 16px 64px;
}
@media (max-width: 800px) { .layout { grid-template-columns: 1fr; } }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}
.card h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 6px;
  font-weight: 500;
}
.field input[type="number"],
.field select {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.95rem;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.2s;
}
.field input[type="number"]:focus,
.field select:focus { border-color: var(--accent); }

.field-row { display: flex; gap: 10px; }
.field-row .field { flex: 1; }

.toggle-group {
  display: flex;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 18px;
}
.toggle-group button {
  flex: 1;
  background: none;
  border: none;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 8px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  font-weight: 500;
}
.toggle-group button.active { background: var(--accent); color: #fff; }

.activity-section { margin-bottom: 18px; }
.activity-section > label {
  display: block;
  font-size: 0.82rem;
  color: var(--muted);
  margin-bottom: 6px;
  font-weight: 500;
}

.radio-group { display: flex; flex-direction: column; gap: 8px; }
.radio-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.87rem;
  color: var(--text);
  cursor: pointer;
  font-weight: 400;
  margin-bottom: 0;
}
.radio-group input[type="radio"] {
  accent-color: var(--accent);
  width: 15px; height: 15px;
  cursor: pointer; flex-shrink: 0;
}

.btn-calculate {
  width: 100%;
  background: linear-gradient(135deg, var(--accent), #3b6fd4);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 13px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.1s;
  margin-top: 4px;
}
.btn-calculate:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-calculate:active { transform: translateY(0); }

.results-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
@media (max-width: 600px) { .results-grid { grid-template-columns: 1fr; } }

.result-card {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  position: relative;
  overflow: hidden;
}
.result-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--card-color, var(--accent));
}
.result-card .label {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 6px;
  font-weight: 600;
}
.result-card .value {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--card-color, var(--accent));
  line-height: 1;
  margin-bottom: 4px;
}
.result-card .sublabel { font-size: 0.8rem; color: var(--muted); }
.result-card.wide { grid-column: span 2; }
@media (max-width: 600px) { .result-card.wide { grid-column: span 1; } }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(255,255,255,0.08);
  color: var(--card-color, var(--accent));
  margin-top: 4px;
}

.section-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 24px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.macro-bar-wrap { margin-bottom: 20px; }
.macro-bar {
  height: 14px;
  border-radius: 7px;
  background: var(--surface2);
  overflow: hidden;
  display: flex;
  width: 100%;
  margin-top: 10px;
  margin-bottom: 10px;
}
.macro-bar .seg { height: 100%; min-width: 0; transition: width 0.5s; }
.macro-row { display: flex; justify-content: space-between; align-items: center; font-size: 0.82rem; color: var(--muted); margin-bottom: 4px; }
.macro-row .macro-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; margin-right: 5px; flex-shrink: 0; }
.macro-row-label { display: flex; align-items: center; }
.macro-row-value { font-weight: 600; color: var(--text); }
.macro-legend { display: flex; gap: 16px; flex-wrap: wrap; font-size: 0.8rem; color: var(--muted); }
.macro-legend span { display: flex; align-items: center; gap: 5px; }
.macro-legend .dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }

.deficit-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}
@media (max-width: 600px) { .deficit-row { grid-template-columns: 1fr; } }

.deficit-card { border-radius: 10px; padding: 16px; border: 1px solid var(--border); }
.deficit-card.moderate {
  background: linear-gradient(135deg, rgba(52,211,153,0.08), rgba(52,211,153,0.02));
  border-color: rgba(52,211,153,0.3);
}
.deficit-card.aggressive {
  background: linear-gradient(135deg, rgba(248,113,113,0.08), rgba(248,113,113,0.02));
  border-color: rgba(248,113,113,0.3);
}
.deficit-card h3 { font-size: 0.85rem; font-weight: 700; margin-bottom: 12px; }
.deficit-card.moderate h3 { color: var(--accent2); }
.deficit-card.aggressive h3 { color: var(--accent3); }
.deficit-card .big { font-size: 1.4rem; font-weight: 700; margin-bottom: 2px; }
.deficit-card.moderate .big { color: var(--accent2); }
.deficit-card.aggressive .big { color: var(--accent3); }
.deficit-card .small { font-size: 0.78rem; color: var(--muted); }

.diet-preset-group { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
@media (max-width: 480px) {
  .diet-preset-group { display: grid; grid-template-columns: 1fr 1fr; }
  .diet-preset-group label { justify-content: center; }
}
.diet-preset-group input[type="radio"] { display: none; }
.diet-preset-group label {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface2);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  white-space: nowrap;
}
.diet-preset-group label em { font-style: normal; font-size: 0.7rem; font-weight: 400; color: var(--muted); }
.diet-preset-group input[type="radio"]:checked + label {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(79,142,247,0.1);
}
.diet-preset-group input[type="radio"]:checked + label em { color: var(--accent); }

.steps-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.steps-card { background: var(--surface2); border: 1px solid var(--border); border-radius: 10px; padding: 14px; }
.steps-card h3 { font-size: 0.8rem; color: var(--muted); font-weight: 600; margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.05em; }
.steps-card .big { font-size: 1.3rem; font-weight: 700; color: var(--accent4); }
.steps-card .small { font-size: 0.78rem; color: var(--muted); margin-top: 3px; }

.hydration-fiber { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px; }
.info-card { background: var(--surface2); border: 1px solid var(--border); border-radius: 10px; padding: 14px; }
.info-card h3 { font-size: 0.8rem; color: var(--muted); font-weight: 600; margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.05em; }
.info-card .big { font-size: 1.3rem; font-weight: 700; color: var(--accent); }
.info-card .small { font-size: 0.78rem; color: var(--muted); margin-top: 3px; }

.chart-wrapper {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-top: 16px;
}
@media (max-width: 580px) { .chart-wrapper { padding: 16px 12px; } }
.chart-canvas-wrap { width: 100%; }

.cv-risk-inner { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 4px; }
.cv-risk-bar-wrap { flex: 1; min-width: 160px; }
.chart-wrapper h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.placeholder { text-align: center; color: var(--muted); padding: 48px 24px; font-size: 0.9rem; }
.placeholder .icon { font-size: 2.5rem; margin-bottom: 12px; }

.note {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 8px;
  line-height: 1.5;
  padding: 8px 10px;
  background: rgba(255,255,255,0.03);
  border-radius: 6px;
  border-left: 3px solid var(--border);
}

.risk-bar { display: flex; height: 10px; border-radius: 5px; overflow: hidden; margin: 8px 0; }
.risk-bar .seg { flex: 1; }
.risk-bar-labels { display: flex; justify-content: space-between; font-size: 0.7rem; color: var(--muted); flex-wrap: wrap; gap: 2px; }
.risk-bar-labels span { white-space: nowrap; }
@media (max-width: 480px) { .risk-bar-labels { font-size: 0.62rem; } }

.protein-tiers { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; }
.protein-tier {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  padding: 6px 10px;
  background: var(--surface);
  border-radius: 6px;
  border: 1px solid var(--border);
}
.protein-tier .tier-label { color: var(--muted); }
.protein-tier .tier-value { color: var(--accent); font-weight: 600; }

.cv-risk-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-top: 8px;
}
.cv-risk-badge.low { background: rgba(52,211,153,0.15); color: var(--accent2); }
.cv-risk-badge.moderate { background: rgba(251,191,36,0.15); color: var(--accent4); }
.cv-risk-badge.high { background: rgba(248,113,113,0.15); color: var(--accent3); }
.cv-risk-badge.very-high { background: rgba(220,38,38,0.15); color: #ef4444; }

.hr-zone-table {
  display: flex;
  gap: 6px;
  margin-bottom: 12px;
}
.hr-block {
  flex: 1;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-top-width: 4px;
  border-top-style: solid;
  border-top-color: var(--accent);
  border-radius: 8px;
  padding: 10px 6px;
  text-align: center;
  min-width: 0;
}
.hr-block.zone2-highlight {
  background: rgba(52,211,153,0.07);
  border-color: rgba(52,211,153,0.5);
  border-top-color: #34d399;
}
.hr-block-name { font-size: 0.72rem; font-weight: 700; margin-bottom: 5px; }
.hr-block-range { font-size: 0.78rem; font-weight: 600; color: var(--text); margin-bottom: 2px; }
.hr-block-pct { font-size: 0.65rem; color: var(--muted); margin-bottom: 5px; }
.hr-block-desc { font-size: 0.62rem; color: var(--muted); line-height: 1.3; }
@media (max-width: 540px) {
  .hr-block-desc { display: none; }
  .hr-block { padding: 8px 4px; }
  .hr-block-range { font-size: 0.72rem; }
}

.body-type-inner {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  flex-wrap: wrap;
  margin-top: 4px;
}
.body-type-left { min-width: 160px; }
.body-type-value {
  font-size: 1.3rem !important;
  line-height: 1.2 !important;
  margin-bottom: 6px !important;
}
.body-type-right { flex: 1; min-width: 180px; }
.body-type-description {
  font-size: 0.82rem;
  color: var(--text);
  line-height: 1.55;
  margin-bottom: 10px;
}
.body-type-action {
  font-size: 0.78rem;
  color: var(--muted);
  padding: 8px 10px;
  background: rgba(255,255,255,0.03);
  border-radius: 6px;
  border-left: 3px solid var(--card-color, var(--accent));
  line-height: 1.5;
}

#results-panel { display: none; }
#results-panel.visible { display: block; }

.card-learn-more {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.72rem;
  color: var(--muted);
  text-decoration: none;
  opacity: 0.7;
  transition: opacity 0.15s;
}
.card-learn-more:hover { opacity: 1; color: var(--accent); }