:root {
  --vs-primary: #1a3c8f;
  --vs-primary-mid: #1e5bbf;
  --vs-accent: #00c9b1;
  --vs-cyan: #00d4f0;
  --vs-bg: #f0f7ff;
  --vs-surface: rgba(255, 255, 255, 0.86);
  --vs-border: #d9e6f7;
  --vs-text: #1a202c;
  --vs-muted: #8090b0;
  --vs-radius: 16px;
  --vs-shadow: 0 12px 48px rgba(26, 60, 143, 0.13);
}

.vetscan-shell {
  min-height: 100vh;
  padding: 6rem 2rem 5rem;
  background:
    radial-gradient(circle at top right, rgba(0, 201, 177, 0.14), transparent 32rem),
    linear-gradient(180deg, #f8fbff 0%, var(--vs-bg) 100%);
}

.vetscan-container {
  max-width: 1280px;
  margin: 0 auto;
}

.vetscan-topbar,
.vetscan-hero,
.vetscan-grid,
.vs-form-grid,
.vs-sign-grid,
.vs-card-header,
.prediction-header,
.pred-top-row,
.conf-row {
  display: grid;
}

.vetscan-topbar {
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.vs-back-btn {
  width: fit-content;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  background: var(--vs-primary);
  color: #fff;
  font-family: 'Poppins', sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  box-shadow: 0 8px 24px rgba(26, 60, 143, 0.18);
  transition: transform 0.22s ease, background 0.22s ease, box-shadow 0.22s ease;
}

.vs-back-btn:hover {
  background: var(--vs-primary-mid);
  transform: translateX(-2px);
  box-shadow: 0 12px 28px rgba(26, 60, 143, 0.24);
}

.vs-model-stats {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: flex-end;
  color: var(--vs-muted);
  font-size: 0.82rem;
}

.vs-model-stats span {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--vs-border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
}

.vs-model-stats strong {
  color: var(--vs-primary);
}

.vetscan-hero {
  grid-template-columns: 1fr;
  align-items: center;
  text-align: center;
  gap: 2rem;
  margin-bottom: 2rem;
  padding: 2rem;
  border-radius: var(--vs-radius);
  background: linear-gradient(135deg, var(--vs-primary), var(--vs-primary-mid));
  color: #fff;
  box-shadow: var(--vs-shadow);
  overflow: hidden;
  position: relative;
}

.vetscan-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255, 255, 255, 0.28) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: 0.15;
  pointer-events: none;
}

.vetscan-hero > * {
  position: relative;
  z-index: 1;
}

.vs-eyebrow,
.vs-section-kicker {
  color: #1a3c8f !important; /* Force a strong dark blue color */
  font-size: 0.85rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.vs-eyebrow {
  color: #aae0ff !important; /* Keep eyebrow light for the blue hero background */
}

.vetscan-hero h1 {
  font-family: 'Nunito', sans-serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.08;
  font-weight: 900;
  margin-bottom: 0.65rem;
}

.vetscan-hero p {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
}

.vs-hero-badge {
  min-width: 150px;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: var(--vs-radius);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(12px);
  text-align: center;
}

.vs-hero-badge span,
.vs-hero-badge strong {
  display: block;
}

.vs-hero-badge span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.78rem;
  margin-bottom: 0.25rem;
}

.vs-hero-badge strong {
  color: #fff;
  font-size: 1.2rem;
}

.vetscan-grid {
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 1.5rem;
  align-items: start;
}

.vs-card {
  background: var(--vs-surface);
  border: 1px solid rgba(217, 230, 247, 0.95);
  border-radius: var(--vs-radius);
  box-shadow: var(--vs-shadow);
  backdrop-filter: blur(12px);
}

.vs-form-card,
.vs-results-card {
  padding: 2rem;
}

.vs-results-card {
  position: sticky;
  top: 5.5rem;
}

.vs-card-header {
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 1rem;
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
  border-bottom: 2px solid rgba(240, 247, 255, 0.95);
}

.vs-card-header h2 {
  font-family: 'Nunito', sans-serif;
  color: var(--vs-primary);
  font-size: 1.35rem;
  font-weight: 900;
}

.vs-card-icon {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--vs-accent), var(--vs-cyan));
  color: #fff;
  font-weight: 900;
}

.vs-form-section {
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(217, 230, 247, 0.9);
}

.vs-form-section:first-of-type {
  padding-top: 0;
}

.vs-form-section:last-of-type {
  border-bottom: none;
}

.vs-form-section h3 {
  font-family: 'Nunito', sans-serif;
  color: var(--vs-text);
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.vs-form-grid {
  gap: 1rem;
  margin-bottom: 1rem;
}

.vs-form-grid:last-child {
  margin-bottom: 0;
}
.vs-form-grid.one {
  grid-template-columns: minmax(0, 1fr);
}

.vs-form-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.vs-form-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.vs-vital-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(6, 1fr);
  grid-template-areas: 
    "age age gender gender weight weight"
    "duration duration duration numsymptoms numsymptoms numsymptoms";
}

.vs-sign-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.vs-field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.vs-field label {
  color: var(--vs-primary);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.vs-field input,
.vs-field select {
  width: 100%;
  min-height: 44px;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--vs-border);
  border-radius: 10px;
  background: #f8fbff;
  color: var(--vs-text);
  font-family: 'Poppins', sans-serif;
  font-size: 0.92rem;
  transition: border-color 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
}

/* Force the number input arrows (spin buttons) to be permanently visible without a dark box */
.vs-field input[type="number"]::-webkit-inner-spin-button, 
.vs-field input[type="number"]::-webkit-outer-spin-button {
  opacity: 1 !important;
  display: block;
  cursor: pointer;
  background: transparent !important;
  filter: none !important;
}

.vs-field select {
  cursor: pointer;
}

.vs-field input:focus,
.vs-field select:focus {
  outline: none;
  border-color: var(--vs-primary-mid);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(0, 153, 230, 0.12);
}

.toggle-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.toggle-btn {
  min-height: 44px;
  border: 1.5px solid #cbd5e1; /* Slightly darker default border */
  border-radius: 999px;
  background: #f8fbff;
  color: #475569; /* Darker default text color instead of muted */
  cursor: pointer;
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.toggle-btn:hover {
  transform: translateY(-1px);
  border-color: var(--vs-primary-mid);
}

.toggle-btn.active-yes {
  background: rgba(0, 201, 177, 0.13);
  border-color: var(--vs-accent);
  color: #057b70;
}

.toggle-btn.active-no {
  background: #e2e8f0; /* Solid gray background to show selection clearly */
  border-color: #94a3b8; /* Solid gray border */
  color: #1e293b; /* Very dark text */
}

.predict-btn {
  width: 100%;
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  margin-top: 1.35rem;
  border: none;
  border-radius: 999px;
  background: var(--vs-primary);
  color: #fff;
  cursor: pointer;
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 800;
  box-shadow: 0 10px 28px rgba(26, 60, 143, 0.22);
  transition: transform 0.22s ease, background 0.22s ease, box-shadow 0.22s ease;
}

.predict-btn:hover:not(:disabled) {
  background: var(--vs-primary-mid);
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(26, 60, 143, 0.26);
}

.predict-btn:disabled {
  cursor: wait;
  opacity: 0.72;
}

.btn-icon {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.18);
  font-weight: 900;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.35);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.results-placeholder {
  min-height: 360px;
  display: grid;
  place-items: center;
  gap: 1rem;
  text-align: center;
  color: #1a202c !important; /* Force a dark color */
}

.results-placeholder p {
  color: #1a202c !important; /* Force text to dark grey */
  font-weight: 600;
}

.placeholder-mark {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 20px;
  background: rgba(0, 201, 177, 0.12);
  color: var(--vs-primary);
  font-family: 'Nunito', sans-serif;
  font-size: 1.4rem;
  font-weight: 900;
}

.prediction-header,
.pred-top-row,
.conf-row {
  align-items: center;
}

.prediction-header {
  grid-template-columns: 1fr auto;
  margin-bottom: 1rem;
}

.prediction-label,
.prediction-count {
  color: var(--vs-muted);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.pred-card {
  padding: 1rem;
  margin-bottom: 0.85rem;
  border: 1.5px solid var(--vs-border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.75);
  animation: slideUp 0.32s ease both;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.pred-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(26, 60, 143, 0.12);
}

.pred-card.rank-1 {
  border-color: var(--vs-accent);
  background: rgba(230, 250, 247, 0.9);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.pred-top-row {
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.pred-name {
  color: var(--vs-text);
  font-weight: 800;
  line-height: 1.35;
}

.pred-rank {
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: #eef4fb;
  color: var(--vs-muted);
  font-size: 0.72rem;
  font-weight: 800;
}

.pred-rank-1 {
  background: var(--vs-primary);
  color: #fff;
}

.conf-row {
  grid-template-columns: 1fr auto;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.conf-bar-wrap {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: #e5edf8;
}

.conf-bar {
  height: 100%;
  border-radius: 999px;
  transition: width 0.65s ease;
}

.conf-pct {
  min-width: 46px;
  text-align: right;
  font-weight: 900;
}

.severity-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.severity-badge::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
}

.sev-low {
  background: #dcfce7;
  color: #166534;
}

.sev-medium {
  background: #fef9c3;
  color: #854d0e;
}

.sev-high {
  background: #ffedd5;
  color: #c2410c;
}

.sev-critical {
  background: #fee2e2;
  color: #991b1b;
  box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.12);
}

.summary-box {
  margin-top: 1.15rem;
  padding: 1rem;
  border: 1.5px solid var(--vs-border);
  border-radius: 14px;
  background: #f8fbff;
  color: var(--vs-muted);
  font-size: 0.86rem;
  line-height: 1.65;
}

.summary-box strong {
  color: var(--vs-text);
}

.disclaimer {
  margin-top: 1rem;
  color: var(--vs-muted);
  font-size: 0.78rem;
  line-height: 1.55;
  text-align: center;
}

.error-msg {
  display: none;
  margin-top: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid #fecaca;
  border-radius: 12px;
  background: #fee2e2;
  color: #991b1b;
  font-weight: 700;
}

@media (max-width: 1100px) {
  .vetscan-grid {
    grid-template-columns: 1fr;
  }

  .vs-results-card {
    position: static;
  }
}

@media (min-width: 541px) {
  .center-if-3,
  .center-if-1 {
    grid-column: 1 / -1;
    width: calc(50% - 0.5rem);
    margin: 0 auto;
  }
}

@media (max-width: 800px) {
  .vetscan-shell {
    padding: 5.25rem 1rem 3rem;
  }

  .vetscan-topbar,
  .vetscan-hero {
    grid-template-columns: 1fr;
  }

  .vs-model-stats {
    justify-content: flex-start;
  }

  .vs-hero-badge {
    width: fit-content;
  }

  .vs-form-card,
  .vs-results-card,
  .vetscan-hero {
    padding: 1.25rem;
  }

  .vs-form-grid.three,
  .vs-sign-grid {
    grid-template-columns: 1fr 1fr;
  }

  .vs-vital-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-template-areas: 
      "age gender"
      "duration weight"
      "numsymptoms numsymptoms";
  }
}

@media (max-width: 540px) {
  .vs-form-grid.two,
  .vs-form-grid.three,
  .vs-sign-grid,
  .vs-vital-grid {
    grid-template-columns: 1fr;
    grid-template-areas: 
      "age"
      "gender"
      "weight"
      "duration"
      "numsymptoms";
  }

  .vs-back-btn,
  .predict-btn {
    width: 100%;
  }

  .vs-model-stats {
    display: none;
  }
}