/* Macro Calculator */

/* ---- Form Layout ---- */
.macro-form {
  margin-bottom: 24px;
}

/* ---- Calorie Input ---- */
.macro-inputs {
  margin-bottom: 16px;
}

.macro-inputs .input-group {
  max-width: 320px;
}

.macro-inputs input[type="number"] {
  width: 100%;
  min-height: 46px;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--color-text);
  background: var(--color-surface);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  -moz-appearance: textfield;
}

.macro-inputs input[type="number"]:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.macro-inputs input[type="number"]::-webkit-inner-spin-button,
.macro-inputs input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.input-helper {
  display: block;
  margin-top: 6px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.input-helper a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
}

.input-helper a:hover {
  text-decoration: underline;
}

/* ---- Settings / Preset Toggle ---- */
.macro-settings {
  margin-bottom: 10px;
}

.macro-settings .setting-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.macro-settings .setting-group > label {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
}

.preset-toggle {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.preset-btn {
  padding: 10px 18px;
  border: none;
  background: var(--color-surface);
  color: var(--color-text-secondary);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  border-right: 1px solid var(--color-border);
}

.preset-btn:last-child {
  border-right: none;
}

.preset-btn:hover {
  background: var(--color-surface-hover);
}

.preset-btn.active {
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
}

/* ---- Preset Description ---- */
.preset-desc {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
  line-height: 1.4;
}

/* ---- Custom Split ---- */
.custom-split {
  display: none;
  margin-bottom: 16px;
}

.custom-split.visible {
  display: block;
}

.custom-split-row {
  display: flex;
  gap: 12px;
}

.custom-split-row .input-group {
  flex: 1;
  min-width: 0;
}

.custom-split input[type="number"] {
  width: 100%;
  min-height: 46px;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.98rem;
  color: var(--color-text);
  background: var(--color-surface);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  -moz-appearance: textfield;
}

.custom-split input[type="number"]:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.custom-split input[type="number"]::-webkit-inner-spin-button,
.custom-split input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.custom-total {
  margin-top: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.custom-total.valid {
  color: #10b981;
}

.custom-total.over {
  color: #ef4444;
}

.macro-calc-btn {
  width: auto;
}

/* ---- Results ---- */
.macro-results {
  display: none;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border-light);
}

.macro-results.visible {
  display: block;
}

.results-summary {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  text-align: center;
}

/* ---- Visual Macro Bar ---- */
.macro-bar-container {
  margin-bottom: 20px;
  padding: 0 4px;
}

.macro-bar {
  display: flex;
  height: 16px;
  border-radius: 8px;
  overflow: hidden;
}

.macro-segment {
  transition: width 0.4s ease;
  min-width: 2px;
}

.macro-segment[data-macro="protein"] { background: #10b981; }
.macro-segment[data-macro="carbs"]   { background: #3b5bdb; }
.macro-segment[data-macro="fat"]     { background: #f97316; }

/* ---- Macro Cards ---- */
.macro-results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.macro-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 20px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  border-top: 3px solid var(--color-border-light);
  transition: box-shadow var(--transition-fast);
}

.macro-card:hover {
  box-shadow: var(--shadow-sm);
}

.macro-card[data-macro="protein"] { border-top-color: #10b981; }
.macro-card[data-macro="carbs"]   { border-top-color: #3b5bdb; }
.macro-card[data-macro="fat"]     { border-top-color: #f97316; }

.macro-card-icon {
  font-size: 1.5rem;
  margin-bottom: 8px;
}

.macro-card-value {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1.1;
}

.macro-card[data-macro="protein"] .macro-card-value { color: #10b981; }
.macro-card[data-macro="carbs"] .macro-card-value   { color: #3b5bdb; }
.macro-card[data-macro="fat"] .macro-card-value     { color: #f97316; }

.macro-card-unit {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-top: 4px;
}

.macro-card-detail {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 6px;
}

/* ---- Macro Legend ---- */
.macro-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  padding: 14px 16px;
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
}

.macro-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.macro-legend-item .legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.macro-legend-item[data-macro="protein"] .legend-dot { background: #10b981; }
.macro-legend-item[data-macro="carbs"] .legend-dot   { background: #3b5bdb; }
.macro-legend-item[data-macro="fat"] .legend-dot     { background: #f97316; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .preset-toggle {
    width: 100%;
  }

  .preset-btn {
    flex: 1;
    text-align: center;
    padding: 10px 10px;
    font-size: 0.8rem;
  }

  .macro-inputs .input-group {
    max-width: none;
  }
}

@media (max-width: 480px) {
  .preset-toggle {
    flex-wrap: wrap;
    border: none;
    gap: 6px;
    border-radius: 0;
  }

  .preset-btn {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    flex: 0 0 auto;
    padding: 8px 14px;
  }

  .preset-btn.active {
    border-color: var(--color-primary);
  }

  .macro-results-grid {
    grid-template-columns: 1fr;
  }

  .macro-card-value {
    font-size: 1.4rem;
  }

  .custom-split-row {
    flex-direction: column;
    gap: 8px;
  }

  .macro-legend {
    flex-direction: column;
    gap: 6px;
  }
}