:root {
  --nhs-blue: #005eb8;
  --nhs-dark-blue: #003087;
  --nhs-bright-blue: #0072ce;
  --nhs-white: #ffffff;
  --nhs-pale-grey: #f0f4f5;
  --nhs-light-grey: #d8dde0;
  --nhs-mid-grey: #768692;
  --nhs-dark-grey: #425563;
  --nhs-black: #231f20;
  --nhs-green: #009639;
  --nhs-red: #da291c;
  --nhs-orange: #ed8b00;
  --nhs-yellow: #fae100;
  --brand: var(--nhs-blue);
  --brand-dark: var(--nhs-dark-blue);
  --panel-width: 420px;
  --star-color: #ed8b00;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--nhs-pale-grey);
  color: var(--nhs-dark-grey);
  line-height: 1.5;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  font-family: inherit;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--brand); color: white; }
.btn-primary:hover:not(:disabled) { background: var(--brand-dark); }
.btn-secondary { background: var(--nhs-pale-grey); color: var(--nhs-dark-grey); border: 1px solid var(--nhs-light-grey); }
.btn-secondary:hover:not(:disabled) { background: var(--nhs-light-grey); }
.btn-danger { background: white; color: var(--nhs-red); border: 1px solid var(--nhs-red); }
.btn-danger:hover:not(:disabled) { background: #fef2f2; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-full { width: 100%; justify-content: center; }

.input, input[type="text"], input[type="url"], input[type="email"], textarea, select {
  width: 100%;
  padding: 10px 14px;
  border: 2px solid var(--nhs-light-grey);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  background: white;
  color: var(--nhs-dark-grey);
  transition: border-color 0.2s;
}
.input:focus, input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--brand);
}

.field { margin-bottom: 16px; }
.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--nhs-dark-grey);
  margin-bottom: 6px;
}

.app-header {
  background: var(--brand-dark);
  color: white;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.app-header .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 16px;
  font-weight: 700;
}
.app-header .brand-tag {
  font-size: 12px;
  opacity: 0.7;
  font-weight: 400;
}
.app-header nav a {
  color: white;
  font-size: 13px;
  margin-left: 16px;
  opacity: 0.85;
}
.app-header nav a:hover { opacity: 1; text-decoration: underline; }

.container { max-width: 1100px; margin: 0 auto; padding: 24px; }
.container.narrow { max-width: 720px; }

.card {
  background: white;
  border-radius: 10px;
  padding: 24px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  margin-bottom: 16px;
}
.card h2 {
  font-size: 16px;
  color: var(--brand-dark);
  margin-bottom: 12px;
}

.muted { color: var(--nhs-mid-grey); font-size: 13px; }

.flash {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 12px;
  font-size: 13px;
}
.flash-error { background: #fef2f2; border-left: 3px solid var(--nhs-red); color: var(--nhs-red); }
.flash-info { background: #e8f0fe; border-left: 3px solid var(--brand); color: var(--brand-dark); }
.flash-ok { background: #e6f4ea; border-left: 3px solid var(--nhs-green); color: var(--nhs-green); }

.tag {
  display: inline-block;
  font-size: 11px;
  padding: 3px 8px;
  background: var(--nhs-pale-grey);
  color: var(--nhs-mid-grey);
  border-radius: 10px;
  margin-right: 4px;
}