/* ==========================================================================
   Annai Nursing Home - Pediatric & Maternity Clinical Calculators Stylesheet
   Brand Palette: Deep Teal (#0F4C4A), Emerald (#1E8A72), Warm Gold (#C89B3C)
   Background: Ivory (#FBF9F6), Text: Charcoal (#20272B)
   ========================================================================== */

:root {
  --annai-teal: #0F4C4A;
  --annai-teal-dark: #0A3433;
  --annai-teal-light: #156967;
  --annai-emerald: #1E8A72;
  --annai-gold: #C89B3C;
  --annai-gold-light: #F7E9C8;
  --annai-blush: #F3E7DE;
  --annai-ivory: #FBF9F6;
  --annai-charcoal: #20272B;
  --annai-muted: #536269;
  --annai-border: #E7E2DA;
  --annai-card-shadow: 0 8px 24px rgba(15, 76, 74, 0.08);
  --annai-hover-shadow: 0 16px 36px rgba(15, 76, 74, 0.16);
}

.calc-wrap {
  background-color: var(--annai-ivory);
  color: var(--annai-charcoal);
  min-height: 80vh;
}

.calc-container {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: clamp(1rem, 3vw, 2rem);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.calc-hero {
  background: linear-gradient(135deg, #0F4C4A 0%, #156967 100%);
  color: #ffffff;
  padding: clamp(3rem, 6vw, 4.5rem) 0 clamp(2.5rem, 5vw, 3.5rem);
  position: relative;
  overflow: hidden;
}
.calc-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -10%;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(200, 155, 60, 0.2) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.calc-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #F7E9C8;
  padding: 6px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
}
.calc-hero h1 {
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(2rem, 4.2vw, 3.1rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 1rem;
  color: #ffffff;
}
.calc-hero-lead {
  font-size: clamp(1rem, 1.8vw, 1.18rem);
  line-height: 1.65;
  max-width: 800px;
  color: #E7E2DA;
  margin: 0 0 2rem;
}
.calc-hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  max-width: 700px;
}
.calc-stat-pill {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(8px);
  padding: 12px 18px;
  border-radius: 16px;
}
.calc-stat-pill strong {
  display: block;
  font-size: 1.5rem;
  font-weight: 800;
  color: #F7E9C8;
}
.calc-stat-pill span {
  font-size: 0.82rem;
  color: #E7E2DA;
}

/* --------------------------------------------------------------------------
   Filter Category Tabs
   -------------------------------------------------------------------------- */
.calc-filter-bar {
  background: #ffffff;
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--annai-border);
  position: sticky;
  top: 96px;
  z-index: 25;
  box-shadow: 0 2px 12px rgba(15, 76, 74, 0.04);
}
.calc-filter-scroll {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding: 4px 2px;
}
.calc-filter-scroll::-webkit-scrollbar {
  display: none;
}
.calc-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 999px;
  background: var(--annai-ivory);
  color: var(--annai-charcoal);
  border: 1px solid var(--annai-border);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  white-space: nowrap;
  transition: all 0.2s ease;
}
.calc-filter-btn:hover {
  border-color: var(--annai-teal);
  color: var(--annai-teal);
  background: #F3E7DE;
}
.calc-filter-btn.active {
  background: var(--annai-teal);
  color: #ffffff;
  border-color: var(--annai-teal);
  box-shadow: 0 4px 12px rgba(15, 76, 74, 0.25);
}
.calc-count-pill {
  background: rgba(0, 0, 0, 0.08);
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.75rem;
}
.calc-filter-btn.active .calc-count-pill {
  background: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   Calculators Grid
   -------------------------------------------------------------------------- */
.calc-main-area {
  padding: clamp(2.5rem, 5vw, 4.5rem) 0;
  background: var(--annai-ivory);
}
.calc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
}
.calc-card {
  background: #ffffff;
  border: 1px solid var(--annai-border);
  border-radius: 20px;
  padding: 1.85rem;
  display: flex;
  flex-direction: column;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--annai-card-shadow);
  position: relative;
}
.calc-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--annai-hover-shadow);
  border-color: var(--annai-emerald);
}
.calc-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 1rem;
}
.calc-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}
.calc-card-icon.pediatrics { background: #e0f2fe; color: #0284c7; }
.calc-card-icon.maternity { background: #fce7f3; color: #db2777; }

.calc-card-badge {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.calc-card-badge.pediatrics { background: #e0f2fe; color: #0369a1; }
.calc-card-badge.maternity { background: #fce7f3; color: #9d174d; }

.calc-card h3 {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 0.5rem;
  color: var(--annai-charcoal);
}
.calc-sub-tag {
  display: inline-block;
  font-size: 0.76rem;
  color: var(--annai-teal);
  font-weight: 600;
  background: var(--annai-blush);
  padding: 3px 10px;
  border-radius: 6px;
  margin-bottom: 0.85rem;
}
.calc-card p {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--annai-muted);
  margin: 0 0 1.25rem;
  flex-grow: 1;
}
.calc-card-doctor {
  border-top: 1px dashed var(--annai-border);
  padding-top: 0.85rem;
  margin-bottom: 1.25rem;
  font-size: 0.82rem;
  color: var(--annai-charcoal);
}
.calc-card-doctor strong {
  display: block;
  color: var(--annai-teal);
}
.calc-open-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 20px;
  border-radius: 999px;
  background: var(--annai-blush);
  color: var(--annai-teal);
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  border: 1px solid var(--annai-border);
  transition: all 0.2s;
}
.calc-card:hover .calc-open-btn {
  background: var(--annai-teal);
  color: #ffffff;
  border-color: var(--annai-teal);
}

/* --------------------------------------------------------------------------
   Calculator Detail Hero
   -------------------------------------------------------------------------- */
.calc-detail-hero {
  background: linear-gradient(135deg, #0F4C4A 0%, #156967 100%);
  color: #ffffff;
  padding: clamp(2.5rem, 4vw, 3.5rem) 0 clamp(2rem, 3vw, 2.5rem);
}
.calc-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: #cbd5e1;
  margin-bottom: 1.25rem;
}
.calc-breadcrumbs a {
  color: #E7E2DA;
  text-decoration: none;
}
.calc-breadcrumbs a:hover {
  color: #ffffff;
}
.calc-breadcrumbs span[aria-current="page"] {
  color: #F7E9C8;
  font-weight: 600;
}
.calc-detail-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 0.85rem;
}
.calc-detail-header-wrap h1 {
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(1.8rem, 3.8vw, 2.65rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 0.85rem;
  color: #ffffff;
}
.calc-detail-lead {
  font-size: clamp(0.95rem, 1.8vw, 1.15rem);
  color: #E7E2DA;
  line-height: 1.65;
  max-width: 800px;
  margin: 0 0 1.25rem;
}
.calc-physician-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.85rem;
  color: #F7E9C8;
}

/* --------------------------------------------------------------------------
   Detail Main Layout
   -------------------------------------------------------------------------- */
.calc-detail-section {
  padding: clamp(2.5rem, 4vw, 4rem) 0;
  background: var(--annai-ivory);
}
.calc-layout-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 992px) {
  .calc-layout-grid {
    grid-template-columns: 6.5fr 3.5fr;
  }
}

.calc-engine-card {
  background: #ffffff;
  border: 1px solid var(--annai-border);
  border-radius: 20px;
  box-shadow: var(--annai-card-shadow);
  overflow: hidden;
}
.calc-form-wrap {
  padding: clamp(1.5rem, 3vw, 2.25rem);
}
.calc-form-wrap h3 {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--annai-charcoal);
  margin: 0 0 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--annai-blush);
}

.form-group-calc {
  margin-bottom: 1.35rem;
}
.form-group-calc label {
  display: block;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--annai-charcoal);
  margin-bottom: 6px;
}
.form-group-calc .hint {
  font-size: 0.78rem;
  color: var(--annai-muted);
  font-weight: 400;
  margin-top: 4px;
}
.calc-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}
.calc-input-wrapper input,
.calc-input-wrapper select {
  width: 100%;
  padding: 12px 14px;
  font-size: 0.95rem;
  border: 1px solid var(--annai-border);
  border-radius: 12px;
  background: #ffffff;
  color: var(--annai-charcoal);
  transition: all 0.2s;
}
.calc-input-wrapper input:focus,
.calc-input-wrapper select:focus {
  outline: none;
  border-color: var(--annai-teal);
  box-shadow: 0 0 0 3px rgba(15, 76, 74, 0.15);
}
.calc-input-unit {
  position: absolute;
  right: 14px;
  font-size: 0.82rem;
  color: var(--annai-muted);
  pointer-events: none;
  font-weight: 600;
}

.radio-pill-group {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 8px;
}
.radio-pill {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  background: var(--annai-ivory);
  border: 1px solid var(--annai-border);
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--annai-charcoal);
  transition: all 0.2s;
}
.radio-pill input {
  display: none;
}
.radio-pill:has(input:checked) {
  background: var(--annai-blush);
  border-color: var(--annai-teal);
  color: var(--annai-teal);
}

.calc-submit-btn {
  width: 100%;
  padding: 14px;
  background: var(--annai-teal);
  color: #ffffff;
  border: none;
  border-radius: 999px;
  font-size: 0.96rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(15, 76, 74, 0.25);
  transition: background 0.2s, transform 0.1s;
}
.calc-submit-btn:hover {
  background: var(--annai-teal-dark);
}

/* --------------------------------------------------------------------------
   Live Results Panel
   -------------------------------------------------------------------------- */
.calc-results-box {
  background: #FAF8F5;
  border-top: 3px solid var(--annai-gold);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  animation: fadeIn 0.3s ease-in-out;
}
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
.result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}
.result-header h4 {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--annai-charcoal);
  margin: 0;
}
.result-badge {
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
}
.result-badge.status-optimal { background: #dcfce7; color: #166534; }
.result-badge.status-good { background: #e0f2fe; color: #0369a1; }
.result-badge.status-warning { background: #fef3c7; color: #92400e; }
.result-badge.status-alert { background: #fee2e2; color: #991b1b; }

.result-primary {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 1rem;
}
.val-num {
  font-size: clamp(2rem, 5vw, 2.75rem);
  font-weight: 800;
  color: var(--annai-teal);
  line-height: 1;
}
.val-date {
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  font-weight: 800;
  color: var(--annai-teal);
  line-height: 1.2;
}
.val-unit {
  font-size: 0.95rem;
  color: var(--annai-muted);
  font-weight: 600;
}
.result-breakdown {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  background: #ffffff;
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--annai-border);
  margin-bottom: 1.25rem;
}
@media (min-width: 500px) {
  .result-breakdown {
    grid-template-columns: repeat(3, 1fr);
  }
}
.sub-metric span {
  display: block;
  font-size: 0.72rem;
  color: var(--annai-muted);
}
.sub-metric strong {
  font-size: 0.85rem;
  color: var(--annai-charcoal);
}
.result-interpretation p {
  font-size: 0.92rem;
  line-height: 1.6;
  color: #334155;
  margin: 0 0 1.25rem;
}
.result-doctor-note {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: #FFFDF7;
  border: 1px solid var(--annai-gold-light);
  border-radius: 12px;
  padding: 12px 16px;
  margin-bottom: 1.5rem;
}
.result-doctor-note i {
  color: var(--annai-gold);
  font-size: 1.2rem;
  margin-top: 2px;
}
.result-doctor-note strong {
  display: block;
  font-size: 0.82rem;
  color: #92400e;
  margin-bottom: 2px;
}
.result-doctor-note p {
  font-size: 0.84rem;
  color: #78350f;
  margin: 0;
}
.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.btn-res-appointment {
  flex: 1;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  padding: 12px 20px;
  background: var(--annai-teal);
  color: #ffffff;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s;
}
.btn-res-appointment:hover {
  background: var(--annai-teal-dark);
}
.btn-res-call {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  padding: 12px 18px;
  background: #ffffff;
  color: var(--annai-teal);
  border: 1px solid var(--annai-teal);
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
}
.btn-res-call:hover {
  background: var(--annai-blush);
}

/* --------------------------------------------------------------------------
   Sidebar Cards
   -------------------------------------------------------------------------- */
.calc-sidebar-info {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.calc-doctor-card {
  background: linear-gradient(135deg, #F3E7DE 0%, #ffffff 100%);
  border: 1px solid var(--annai-border);
  border-radius: 20px;
  padding: 1.75rem;
  box-shadow: var(--annai-card-shadow);
}
.doctor-badge-top {
  display: inline-block;
  background: rgba(15, 76, 74, 0.1);
  color: var(--annai-teal);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 0.75rem;
}
.calc-doctor-card h3 {
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--annai-charcoal);
  margin: 0 0 4px;
}
.doc-designation {
  font-size: 0.85rem;
  color: var(--annai-muted);
  margin: 0 0 1rem;
}
.doc-quote {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.88rem;
  line-height: 1.6;
  font-style: italic;
  color: #334155;
  background: #ffffff;
  padding: 12px;
  border-radius: 12px;
  border-left: 3px solid var(--annai-gold);
  margin-bottom: 1.25rem;
}
.doc-quote i {
  color: var(--annai-gold);
  font-size: 0.9rem;
  margin-top: 2px;
}
.btn-doc-book {
  display: block;
  text-align: center;
  padding: 10px 20px;
  background: var(--annai-teal);
  color: #ffffff;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s;
}
.btn-doc-book:hover {
  background: var(--annai-teal-dark);
}

.calc-info-card {
  background: #ffffff;
  border: 1px solid var(--annai-border);
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: var(--annai-card-shadow);
}
.calc-info-card h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--annai-charcoal);
  margin: 0 0 0.85rem;
}
.calc-info-card h4 i {
  color: var(--annai-teal);
}
.calc-info-card p {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--annai-muted);
  margin: 0;
}
.calc-guidance-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.calc-guidance-list li {
  font-size: 0.84rem;
  line-height: 1.55;
  color: #334155;
  padding-bottom: 8px;
  border-bottom: 1px solid #f1f5f9;
}
.calc-guidance-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.calc-guidance-list strong {
  display: block;
  color: var(--annai-charcoal);
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */
.calc-cta-section {
  padding: 4rem 0;
  background: linear-gradient(135deg, #0F4C4A 0%, #0A3433 100%);
  color: #ffffff;
  text-align: center;
}
.calc-cta-box {
  max-width: 760px;
  margin-inline: auto;
}
.calc-cta-icon {
  font-size: 2.5rem;
  color: var(--annai-gold);
  margin-bottom: 1rem;
}
.calc-cta-box h2 {
  font-family: "Playfair Display", Georgia, serif;
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  margin: 0 0 1rem;
  color: #ffffff;
}
.calc-cta-box p {
  font-size: 1rem;
  line-height: 1.65;
  color: #E7E2DA;
  margin: 0 0 2rem;
}
.calc-cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}
.btn-primary-calc {
  padding: 13px 28px;
  background: var(--annai-gold);
  color: #20272B;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(200, 155, 60, 0.35);
  transition: all 0.2s;
}
.btn-primary-calc:hover {
  background: #dfad43;
  transform: translateY(-2px);
}
.btn-secondary-calc {
  padding: 13px 26px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: #ffffff;
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.2s;
}
.btn-secondary-calc:hover {
  background: rgba(255, 255, 255, 0.25);
}


/* --------------------------------------------------------------------------
 * Calculators Hero 2-Column Responsive Layout & Image Card
 * -------------------------------------------------------------------------- */
.calc-hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(24px, 4vw, 52px);
  align-items: center;
}

@media (max-width: 860px) {
  .calc-hero-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.calc-hero-image-card {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  flex-direction: column;
  background: #FFFFFF;
  width: 100%;
  max-width: 480px;
  margin-inline: auto;
}

.calc-hero-image-card img {
  width: 100%;
  height: clamp(240px, 28vw, 320px);
  object-fit: cover;
  display: block;
}

.calc-hero-image-card .calc-hero-caption {
  display: block;
  background: #FAF7F2;
  color: #0F4C4A;
  padding: 14px 20px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  text-align: left;
  border-top: 1px solid rgba(15, 76, 74, 0.1);
  box-sizing: border-box;
}