/* ===== VEYRA MEDS — HEALTH CALCULATORS (FUNCTIONAL) ===== */

.calc-container { max-width: 1340px; margin-inline: auto; padding-inline: 40px; }
@media (max-width: 1024px) { .calc-container { padding-inline: 32px; } }
@media (max-width: 650px) { .calc-container { padding-inline: 16px; } }

/* Hero */
.calc-hero { width: 100%; padding: 80px 0 48px; background: var(--white); }
.calc-page-title { font-family: var(--font-heading); font-size: 48px; font-weight: 800; color: var(--navy); line-height: 1.15; margin: 0; }
.calc-hero-subtitle { font-family: var(--font-body); font-size: 16px; color: var(--text-muted); line-height: 1.6; margin: 12px 0 0; max-width: 600px; }
@media (max-width: 650px) { .calc-page-title { font-size: 32px; } .calc-hero-subtitle { font-size: 14px; } }

/* Calculator Grid */
.calc-grid-section { width: 100%; padding: 24px 0 64px; background: var(--white); }
.calc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 1024px) { .calc-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 650px) { .calc-grid { grid-template-columns: 1fr; } }

.calc-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  scroll-margin-top: 160px;
}
.calc-card-header { display: flex; flex-direction: column; gap: 4px; }
.calc-card-title {
  font-family: var(--font-heading);
  font-size: 22px;
  font-weight: 700;
  color: var(--navy);
  margin: 0;
}
.calc-card-desc {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-muted);
  margin: 0;
}

/* Unit Toggle */
.calc-unit-toggle { display: flex; gap: 0; border-radius: 8px; overflow: hidden; border: 1px solid var(--border); }
.calc-unit-btn {
  flex: 1;
  padding: 8px 12px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  border: none;
  background: #F8F9FC;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 150ms ease;
}
.calc-unit-btn.active {
  background: var(--navy);
  color: var(--white);
}

/* Input Area */
.calc-input-area { display: flex; flex-direction: column; gap: 14px; }
.calc-field { display: flex; flex-direction: column; gap: 6px; }
.calc-field label {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
}
.calc-field-hint {
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--electric);
  margin: 4px 0 0;
  font-weight: 500;
  display: none;
}
.calc-field-hint.visible { display: block; }
.calc-field input, .calc-field select {
  font-family: var(--font-body);
  font-size: 15px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #F8F9FC;
  color: var(--text);
  width: 100%;
  transition: border-color 150ms ease;
}
.calc-field input:focus, .calc-field select:focus {
  outline: none;
  border-color: var(--electric);
  background: var(--white);
}
.calc-field input.error, .calc-field select.error {
  border-color: #EF4444;
  background: #FEF2F2;
}

/* Height Row (ft + in side by side) */
.calc-height-row { display: flex; align-items: center; gap: 8px; }
.calc-height-row input {
  flex: 1;
  font-family: var(--font-body);
  font-size: 15px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #F8F9FC;
  color: var(--text);
  width: 100%;
  transition: border-color 150ms ease;
}
.calc-height-row input:focus { outline: none; border-color: var(--electric); background: var(--white); }
.calc-height-row input.error { border-color: #EF4444; background: #FEF2F2; }
.calc-unit-label { font-family: var(--font-body); font-size: 13px; color: var(--text-muted); font-weight: 600; white-space: nowrap; }

/* Buttons */
.calc-btn-row { display: flex; gap: 10px; }
.calc-btn {
  background: var(--gradient-cta);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  padding: 12px 28px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 180ms ease;
  box-shadow: 0 4px 12px rgba(9, 158, 248, 0.15);
}
.calc-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(9, 158, 248, 0.25);
}
.calc-btn:active { transform: translateY(0); }
.calc-btn-reset {
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  padding: 12px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 150ms ease;
}
.calc-btn-reset:hover { border-color: var(--navy); color: var(--navy); }

/* Result Card */
.calc-result { font-family: var(--font-body); font-size: 16px; color: var(--navy); min-height: 0; }
.calc-result:empty { display: none; }
.calc-result-card {
  background: linear-gradient(135deg, #F0F7FF 0%, #F8F4FF 100%);
  border: 1px solid #DDE9F8;
  border-radius: 12px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  animation: calcResultIn 350ms ease;
}
@keyframes calcResultIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}
.calc-result-label {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0;
}
.calc-result-value {
  font-family: var(--font-heading);
  font-size: 32px;
  font-weight: 800;
  color: var(--navy);
  margin: 0;
  line-height: 1.2;
}
.calc-result-value .calc-result-unit {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-muted);
}
.calc-result-range {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text);
  margin: 0;
  padding: 8px 14px;
  background: var(--white);
  border-radius: 8px;
  border: 1px solid var(--border);
}
.calc-result-meaning {
  font-family: var(--font-body);
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
}
.calc-result-meaning strong { color: var(--navy); font-weight: 600; }
.calc-result-category {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.calc-cat-underweight { background: #E0F2FE; color: #0369A1; }
.calc-cat-healthy { background: #DCFCE7; color: #15803D; }
.calc-cat-overweight { background: #FEF3C7; color: #B45309; }
.calc-cat-obesity { background: #FEE2E2; color: #B91C1C; }

/* Cross-calc handoff */
.calc-handoff {
  margin-top: 4px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.calc-handoff-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--white);
  border: 1px solid var(--electric);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  color: var(--electric);
  cursor: pointer;
  text-decoration: none;
  transition: all 150ms ease;
}
.calc-handoff-btn:hover {
  background: var(--electric);
  color: var(--white);
}

/* Disclaimer */
.calc-disclaimer {
  margin-top: 8px;
  font-family: var(--font-body);
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
  padding: 12px 14px;
  background: #F8F9FC;
  border-radius: 8px;
  border-left: 3px solid var(--border);
}

/* CTA */
.calc-cta { width: 100%; padding: 64px 0; background: var(--gradient-navy); text-align: center; }
.calc-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-cta);
  color: var(--white);
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 16px;
  padding: 0 36px;
  height: 56px;
  border-radius: 14px;
  text-decoration: none;
  transition: all 180ms ease;
  box-shadow: 0 6px 20px rgba(9, 158, 248, 0.3);
}
.calc-cta-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(9, 158, 248, 0.4); }

/* Mobile adjustments */
@media (max-width: 650px) {
  .calc-card { padding: 22px 18px; }
  .calc-card-title { font-size: 19px; }
  .calc-result-value { font-size: 28px; }
  .calc-unit-btn { font-size: 11px; padding: 7px 8px; }
  .calc-btn-row { flex-direction: column; }
  .calc-btn, .calc-btn-reset { width: 100%; text-align: center; }
}

/* ============================================================
   PREMIUM COLOR-CODING PASS — per-calculator VEYRA accent system
   White page bg + clean inputs; pale tinted bands, glows, and
   color-matched buttons/results. No heavy solid blocks.
   ============================================================ */

/* --- Per-calculator accent variables --- */
.calc-card { --ca: #099EF8; --ca-rgb: 9,158,248; --ca-dark: #0678C4; --ca-btn-text: #FFFFFF; }
#bmr.calc-card    { --ca: #6B0DD8; --ca-rgb: 107,13,216;  --ca-dark: #5208A6; }
#tdee.calc-card   { --ca: #0384AB; --ca-rgb: 3,132,171;   --ca-dark: #026282; }
#calorie.calc-card{ --ca: #FFB700; --ca-rgb: 255,183,0;   --ca-dark: #B87F00; --ca-btn-text: #0A1D3A; }
#protein.calc-card{ --ca: #10B981; --ca-rgb: 16,185,129;  --ca-dark: #0C8F66; }
#carbs.calc-card  { --ca: #8B2EE8; --ca-rgb: 139,46,232;  --ca-dark: #6E22B8; }

/* --- Card: accent top border + soft accent hover glow --- */
.calc-card {
  border-top: 3px solid var(--ca);
  background:
    linear-gradient(180deg, rgba(var(--ca-rgb), 0.030) 0%, rgba(var(--ca-rgb), 0) 170px),
    var(--white);
  transition: box-shadow .25s ease, transform .25s ease;
}
.calc-card:hover { box-shadow: 0 16px 44px rgba(var(--ca-rgb), 0.13); transform: translateY(-2px); }

/* --- Contained header band (pale tinted) --- */
.calc-card-header {
  position: relative;
  flex-direction: row; align-items: center; gap: 14px;
  background: linear-gradient(135deg, rgba(var(--ca-rgb), 0.10), rgba(var(--ca-rgb), 0.035));
  border: 1px solid rgba(var(--ca-rgb), 0.16);
  border-radius: 14px;
  padding: 14px 16px;
}
.calc-card-icon { flex: 0 0 64px; width: 64px; height: 64px; display: flex; align-items: center; justify-content: center; border-radius: 12px; background: radial-gradient(circle at 50% 65%, rgba(var(--ca-rgb), 0.16), rgba(var(--ca-rgb), 0) 72%); }
.calc-card-icon img { width: 64px; height: 64px; object-fit: contain; }
.calc-card-header-inner { display: flex; flex-direction: column; gap: 3px; min-width: 0; }

/* Title accent bar + selected-calculator indicator dot */
.calc-card-title { position: relative; padding-top: 0; }
.calc-card-title::after { content: ""; display: block; width: 30px; height: 3px; border-radius: 2px; background: var(--ca); margin-top: 6px; }
.calc-card-ind {
  position: absolute; top: 10px; right: 12px;
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-heading); font-size: 9px; font-weight: 700; letter-spacing: .14em;
  color: var(--ca-dark); text-transform: uppercase;
}
.calc-card-ind::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--ca); box-shadow: 0 0 10px rgba(var(--ca-rgb), .55); }

/* --- Active card: result populated = selected calculator emphasis --- */
.calc-card:has(.calc-result:not(:empty)) { box-shadow: 0 18px 48px rgba(var(--ca-rgb), 0.16); }
.calc-card:has(.calc-result:not(:empty)) .calc-card-header { border-color: rgba(var(--ca-rgb), 0.42); background: linear-gradient(135deg, rgba(var(--ca-rgb), 0.15), rgba(var(--ca-rgb), 0.05)); }

/* --- Unit toggle: active state in accent --- */
.calc-unit-btn.active { background: rgba(var(--ca-rgb), 0.12); color: #0A1D3A; font-weight: 700; box-shadow: inset 0 -2px 0 var(--ca); }

/* --- Input focus in accent --- */
.calc-card input:focus, .calc-card select:focus {
  border-color: var(--ca);
  box-shadow: 0 0 0 3px rgba(var(--ca-rgb), 0.16);
  outline: none;
}

/* --- Calculate button: accent gradient family --- */
.calc-btn {
  background: linear-gradient(135deg, var(--ca), var(--ca-dark));
  color: var(--ca-btn-text);
  box-shadow: 0 8px 20px rgba(var(--ca-rgb), 0.28);
  border: none;
}
.calc-btn:hover { box-shadow: 0 10px 26px rgba(var(--ca-rgb), 0.40); filter: brightness(1.05); }
.calc-btn:active { transform: translateY(1px); }

/* --- Result panel: color-matched --- */
.calc-result:empty { display: none; }
.calc-result:not(:empty) {
  background: linear-gradient(135deg, rgba(var(--ca-rgb), 0.085), rgba(var(--ca-rgb), 0.03));
  border: 1px solid rgba(var(--ca-rgb), 0.28);
  border-left: 4px solid var(--ca);
  border-radius: 12px;
  padding: 16px 18px;
  box-shadow: 0 10px 26px rgba(var(--ca-rgb), 0.10);
}
.calc-result-value { color: var(--ca-dark); }
.calc-result-label { color: #475467; }

/* --- Responsive: header band stacks on small screens --- */
@media (max-width: 650px) {
  .calc-card-header { flex-direction: row; align-items: flex-start; gap: 12px; padding: 12px; }
  .calc-card-icon { flex: 0 0 54px; width: 54px; height: 54px; }
  .calc-card-icon img { width: 54px; height: 54px; }
  .calc-card-ind { position: static; margin-left: auto; }
}

/* ============================================================
   FINAL VISUAL REFINEMENT (Kandi, Sep 3, 2026)
   Larger 3D assets, contained hero gradient glow, consistent
   validation, mobile spacing/no-wrap guarantees. CSS-only.
   ============================================================ */

/* 1. 3D assets enlarged ~25% (64→80px desktop, 54→66px mobile) */
.calc-card-icon { flex: 0 0 80px; width: 80px; height: 80px; }
.calc-card-icon img { width: 80px; height: 80px; }
.calc-card-header { gap: 16px; }

/* 2. Contained VEYRA gradient glow behind the intro area (white bg kept) */
.calc-hero { position: relative; overflow: hidden; }
.calc-hero::before {
  content: ""; position: absolute; top: -140px; right: 6%;
  width: 460px; height: 460px; border-radius: 50%;
  background: radial-gradient(circle, rgba(9, 158, 248, 0.13) 0%, rgba(107, 13, 216, 0.09) 45%, rgba(255, 255, 255, 0) 72%);
  filter: blur(6px); pointer-events: none;
}
.calc-hero::after {
  content: ""; position: absolute; bottom: -180px; left: -80px;
  width: 380px; height: 380px; border-radius: 50%;
  background: radial-gradient(circle, rgba(139, 46, 232, 0.08) 0%, rgba(255, 255, 255, 0) 70%);
  pointer-events: none;
}
.calc-hero .calc-container { position: relative; z-index: 1; }

/* 3. Validation state — identical treatment on all six calculators */
.calc-card .calc-field input.error, .calc-card .calc-field select.error, .calc-card .calc-height-row input.error {
  border-color: #EF4444; background: #FEF2F2;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

/* 4. No-wrap guarantees: unit toggles + result units never wrap badly */
.calc-unit-btn { white-space: nowrap; }
.calc-result-unit { white-space: nowrap; }
.calc-field > label { overflow-wrap: break-word; }
.calc-result-label, .calc-result-value { letter-spacing: 0.01em; }

/* 5. Mobile: comfortable spacing, large tap targets */
@media (max-width: 650px) {
  .calc-card { padding: 24px 18px; gap: 18px; }
  .calc-card-header { padding: 12px; gap: 12px; }
  .calc-card-icon { flex: 0 0 66px; width: 66px; height: 66px; }
  .calc-card-icon img { width: 66px; height: 66px; }
  .calc-field input, .calc-field select, .calc-height-row input { font-size: 16px; padding: 12px 14px; }
  .calc-btn { font-size: 15px; padding: 14px 28px; min-height: 48px; }
  .calc-btn-reset { min-height: 48px; }
  .calc-unit-btn { font-size: 11px; padding: 8px 6px; }
  .calc-grid { gap: 20px; }
  .calc-result:not(:empty) { padding: 14px 16px; }
  .calc-result-value { font-size: 27px; }
}

/* Mobile anchor navigation: land every calculator clear of the fixed chat launcher */
@media (max-width: 650px) {
  .calc-card { scroll-margin-top: 96px; scroll-margin-bottom: 104px; }
}

/* Mobile: side-by-side Calculate/Reset keeps cards compact enough to land clear of the chat launcher */
@media (max-width: 650px) {
  .calc-btn-row { flex-direction: row; gap: 8px; }
  .calc-btn, .calc-btn-reset { width: auto; }
  .calc-btn { flex: 1.5; }
  .calc-btn-reset { flex: 1; }
}