/**
 * Lifeline Core - Interactive Health Calculators Stylesheet
 *
 * Design Tokens:
 * --primary-green: #167C63; --soft-green: #EAF6F2; --healthcare-blue: #216B8F; --dark-text: #18302B;
 */

.lifeline-calculators-engine {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
}

/* ==========================================================================
   1. Tab Switcher
   ========================================================================== */
.lifeline-calc-nav-tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--light-green, #F5FBF9);
  padding: 0.5rem;
  border-radius: var(--radius-lg, 16px);
  border: 1px solid var(--border-color, #DDE9E5);
  margin-bottom: 2rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.lifeline-calc-nav-tabs::-webkit-scrollbar {
  display: none;
}

.lifeline-calc-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.15rem;
  font-family: var(--font-sans, inherit);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--secondary-text, #647570);
  background: transparent;
  border: none;
  border-radius: var(--radius-md, 10px);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast, 150ms ease);
}

.lifeline-calc-tab:hover {
  color: var(--primary-green, #167C63);
  background: rgba(22, 124, 99, 0.08);
}

.lifeline-calc-tab.active {
  background: var(--primary-green, #167C63);
  color: #FFFFFF !important;
  box-shadow: 0 2px 8px rgba(22, 124, 99, 0.25);
}

.lifeline-calc-tab.active svg {
  stroke: #FFFFFF;
}

/* ==========================================================================
   2. Calculator Card Wrapper
   ========================================================================== */
.lifeline-calc-card {
  background: #FFFFFF;
  border: 1px solid var(--border-color, #DDE9E5);
  border-radius: var(--radius-card, 16px);
  padding: 2.25rem;
  box-shadow: var(--shadow-card, 0 2px 8px rgba(22, 124, 99, 0.06));
}

@media (max-width: 640px) {
  .lifeline-calc-card {
    padding: 1.5rem 1.25rem;
  }
}

.lifeline-calc-header {
  margin-bottom: 1.75rem;
  border-bottom: 1px solid var(--border-color-subtle, #EBF2F0);
  padding-bottom: 1.25rem;
}

.lifeline-calc-icon-title {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.lifeline-calc-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md, 10px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.lifeline-calc-pill {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--healthcare-blue, #216B8F);
  margin-bottom: 0.2rem;
}

.lifeline-calc-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--dark-text, #18302B);
  margin: 0;
  line-height: 1.25;
}

.lifeline-calc-intro {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--secondary-text, #647570);
  margin: 0;
}

/* ==========================================================================
   3. Form Elements & Toggles
   ========================================================================== */
.lifeline-calc-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* Unit Toggle */
.lifeline-calc-unit-toggle {
  display: inline-flex;
  background: var(--light-green, #F5FBF9);
  padding: 3px;
  border-radius: var(--radius-pill, 9999px);
  border: 1px solid var(--border-color, #DDE9E5);
  margin-bottom: 0.5rem;
  width: fit-content;
}

.lifeline-unit-label {
  padding: 0.35rem 0.95rem;
  font-size: 0.775rem;
  font-weight: 600;
  color: var(--secondary-text, #647570);
  border-radius: var(--radius-pill, 9999px);
  cursor: pointer;
  transition: all 150ms ease;
  display: inline-flex;
  align-items: center;
}

.lifeline-unit-label input[type="radio"] {
  display: none;
}

.lifeline-unit-label.active {
  background: var(--primary-green, #167C63);
  color: #FFFFFF;
}

/* Radio Pills (e.g. Male / Female) */
.lifeline-radio-pills {
  display: flex;
  gap: 0.75rem;
}

.lifeline-radio-pill {
  flex: 1;
  text-align: center;
  padding: 0.6rem 1rem;
  background: var(--light-green, #F5FBF9);
  border: 1.5px solid var(--border-color, #DDE9E5);
  border-radius: var(--radius-md, 10px);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dark-text, #18302B);
  cursor: pointer;
  transition: all 150ms ease;
}

.lifeline-radio-pill input[type="radio"] {
  display: none;
}

.lifeline-radio-pill.active {
  border-color: var(--primary-green, #167C63);
  background: var(--soft-green, #EAF6F2);
  color: var(--primary-green, #167C63);
}

/* Field Grid */
.lifeline-calc-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

@media (max-width: 640px) {
  .lifeline-calc-grid {
    grid-template-columns: 1fr;
  }
}

.lifeline-grid-col-full {
  grid-column: 1 / -1;
}

.lifeline-calc-field-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.lifeline-calc-label {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--dark-text, #18302B);
}

.lifeline-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.lifeline-calc-input,
.lifeline-calc-select {
  width: 100%;
  padding: 0.7rem 2.75rem 0.7rem 0.85rem;
  font-family: var(--font-sans, inherit);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--dark-text, #18302B);
  background: #FFFFFF;
  border: 1.5px solid var(--border-color, #DDE9E5);
  border-radius: var(--radius-input, 8px);
  outline: none;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.lifeline-calc-select {
  padding-right: 1.5rem;
  cursor: pointer;
}

.lifeline-calc-input:focus,
.lifeline-calc-select:focus {
  border-color: var(--primary-green, #167C63);
  box-shadow: var(--focus-ring, 0 0 0 3px rgba(22, 124, 99, 0.25));
}

.lifeline-input-suffix {
  position: absolute;
  right: 0.85rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--secondary-text, #647570);
  pointer-events: none;
}

.lifeline-input-dual {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

/* Submit Wrap */
.lifeline-calc-submit-wrap {
  margin-top: 0.5rem;
}

.lifeline-btn-calculate {
  width: 100%;
  padding: 0.85rem;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

/* ==========================================================================
   4. Results Panel & Animations
   ========================================================================== */
.lifeline-calc-result {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1.5px dashed var(--border-color, #DDE9E5);
  animation: lifeline-fade-in 300ms ease forwards;
}

@keyframes lifeline-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.lifeline-result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  background: var(--light-green, #F5FBF9);
  border: 1px solid var(--border-color, #DDE9E5);
  border-radius: var(--radius-md, 10px);
  padding: 1.25rem 1.5rem;
}

.lifeline-result-score-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--secondary-text, #647570);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  display: block;
}

.lifeline-result-score-val {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--primary-green, #167C63);
  line-height: 1.15;
}

.lifeline-result-score-val small {
  font-size: 1rem;
  font-weight: 600;
  color: var(--secondary-text, #647570);
}

.lifeline-result-score-alt {
  font-size: 0.85rem;
  color: var(--secondary-text, #647570);
  font-weight: 500;
  margin-top: 2px;
}

.lifeline-result-category-badge {
  font-size: 0.85rem;
  font-weight: 700;
  padding: 0.4rem 1rem;
  border-radius: var(--radius-pill, 9999px);
  border: 1px solid transparent;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.badge-normal {
  background: #EAF6F2;
  color: #167C63;
  border-color: rgba(22, 124, 99, 0.3);
}

.badge-warning {
  background: #FFF8E6;
  color: #B35E00;
  border-color: #F3D19C;
}

.badge-alert {
  background: #FDF2F2;
  color: #B92528;
  border-color: #F6B8B8;
}

.badge-info {
  background: #EEF7FB;
  color: #216B8F;
  border-color: #C8E3F2;
}

/* BMI Gauge Bar */
.lifeline-bmi-gauge-wrap {
  position: relative;
  margin: 1.75rem 0 2rem 0;
}

.lifeline-bmi-gauge-bar {
  display: flex;
  height: 14px;
  border-radius: var(--radius-pill, 9999px);
  overflow: hidden;
}

.lifeline-gauge-seg {
  flex: 1;
}

.seg-underweight { background: #60A5FA; }
.seg-normal { background: #22C55E; }
.seg-overweight { background: #F59E0B; }
.seg-obese { background: #EF4444; }

.lifeline-gauge-marker {
  position: absolute;
  top: -6px;
  width: 8px;
  height: 26px;
  background: #18302B;
  border: 2px solid #FFFFFF;
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
  transform: translateX(-50%);
  transition: left 400ms cubic-bezier(0.25, 0.8, 0.25, 1);
}

.lifeline-gauge-legend {
  display: flex;
  justify-content: space-between;
  font-size: 0.725rem;
  color: var(--secondary-text, #647570);
  margin-top: 0.45rem;
  font-weight: 500;
}

/* Interpretation & Details */
.lifeline-result-detail {
  margin-bottom: 1.5rem;
}

.lifeline-detail-heading {
  font-size: 1rem;
  font-weight: 700;
  color: var(--dark-text, #18302B);
  margin: 0 0 0.5rem 0;
}

.lifeline-detail-text {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--secondary-text, #647570);
  margin: 0 0 1rem 0;
}

.lifeline-healthy-target-box {
  background: var(--soft-green, #EAF6F2);
  border: 1px solid rgba(22, 124, 99, 0.2);
  border-radius: var(--radius-md, 10px);
  padding: 0.85rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--dark-text, #18302B);
}

.lifeline-healthy-target-box span {
  font-weight: 700;
  color: var(--primary-green, #167C63);
}

/* Calorie Goals Grid */
.lifeline-calorie-goals-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  margin-top: 1rem;
}

@media (max-width: 500px) {
  .lifeline-calorie-goals-grid {
    grid-template-columns: 1fr;
  }
}

.lifeline-goal-card {
  background: var(--light-green, #F5FBF9);
  border: 1px solid var(--border-color, #DDE9E5);
  border-radius: var(--radius-md, 10px);
  padding: 0.85rem 1rem;
  display: flex;
  flex-direction: column;
}

.lifeline-goal-card.highlight-loss {
  background: var(--soft-green, #EAF6F2);
  border-color: rgba(22, 124, 99, 0.3);
}

.lifeline-goal-title {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--secondary-text, #647570);
  text-transform: uppercase;
}

.lifeline-goal-val {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--dark-text, #18302B);
  margin: 2px 0;
}

.lifeline-goal-card.highlight-loss .lifeline-goal-val {
  color: var(--primary-green, #167C63);
}

.lifeline-goal-sub {
  font-size: 0.725rem;
  color: var(--secondary-text, #647570);
}

/* Formula Table */
.lifeline-formula-table-wrap {
  overflow-x: auto;
}

.lifeline-calc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.lifeline-calc-table th,
.lifeline-calc-table td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid var(--border-color-subtle, #EBF2F0);
  text-align: left;
}

.lifeline-calc-table th {
  background: var(--light-green, #F5FBF9);
  color: var(--dark-text, #18302B);
  font-weight: 700;
}

.lifeline-calc-table td strong {
  color: var(--dark-text, #18302B);
}

/* Organ Burn List */
.lifeline-breakdown-list {
  list-style: none;
  margin: 0.5rem 0 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.lifeline-breakdown-list li {
  display: flex;
  justify-content: space-between;
  padding: 0.45rem 0.6rem;
  background: var(--light-green, #F5FBF9);
  border-radius: var(--radius-xs, 4px);
  font-size: 0.825rem;
  color: var(--secondary-text, #647570);
}

.lifeline-breakdown-list li strong {
  color: var(--primary-green, #167C63);
}

/* Water Schedule Grid */
.lifeline-water-schedule-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
}

@media (max-width: 640px) {
  .lifeline-water-schedule-grid {
    grid-template-columns: 1fr;
  }
}

.lifeline-schedule-card {
  background: var(--soft-blue, #EEF7FB);
  border: 1px solid var(--color-info-border, #C8E3F2);
  border-radius: var(--radius-md, 10px);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.775rem;
  line-height: 1.45;
  color: var(--dark-text, #18302B);
}

.lifeline-schedule-card strong {
  color: var(--healthcare-blue, #216B8F);
  font-size: 0.825rem;
}

/* Medical Disclaimer in Calculated Output */
.lifeline-calc-disclaimer {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  background: #FFF8E6;
  border-left: 3px solid #B35E00;
  border-radius: var(--radius-sm, 6px);
  padding: 0.75rem 1rem;
  margin-bottom: 1.5rem;
}

.lifeline-calc-disclaimer svg {
  flex-shrink: 0;
  stroke: #B35E00;
  margin-top: 2px;
}

.lifeline-calc-disclaimer span {
  font-size: 0.775rem;
  line-height: 1.5;
  color: #78350F;
}

.lifeline-result-cta {
  margin-top: 1rem;
}