/* Greenfield General — Patient Registration.
 * Local-only stylesheet (CSP default-src 'self'). No external fonts/assets,
 * so it relies on the system font stack. */

:root {
  --color-bg: #f4f6f8;
  --color-surface: #ffffff;
  --color-text: #1c2733;
  --color-text-muted: #566575;
  --color-border: #cdd7e0;
  --color-primary: #0b6ea8;
  --color-primary-dark: #0a5d8c;
  --color-primary-contrast: #ffffff;
  --color-success: #0f7b4f;
  --color-success-bg: #e6f4ec;
  --color-error: #b3261e;
  --color-error-bg: #fdecea;
  --color-info: #0b5394;
  --color-info-bg: #e8f1fb;
  --color-focus: #175cd3;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 6px 20px rgba(16, 24, 40, 0.08);
  --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, "Noto Sans", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-bg);
}

/* ------------------------------------------------------------------ links */
a {
  color: var(--color-primary);
}

a:hover {
  color: var(--color-primary-dark);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  padding: 0.6rem 1rem;
  z-index: 100;
  border-radius: 0 0 var(--radius) 0;
}

.skip-link:focus {
  left: 0;
}

/* ---------------------------------------------------------------- header */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.site-header__inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  font-size: 1.35rem;
  line-height: 1;
}

.brand__text {
  display: flex;
  flex-direction: column;
}

.brand__name {
  font-weight: 700;
  font-size: 1.05rem;
}

.brand__sub {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.site-nav__link {
  padding: 0.45rem 0.7rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}

.site-nav__link:hover {
  background: var(--color-bg);
  text-decoration: none;
}

/* --------------------------------------------------------------- layout */
.container {
  flex: 1 0 auto;
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

.container:focus {
  outline: none;
}

.site-footer {
  flex-shrink: 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.site-footer__note {
  max-width: 960px;
  margin: 0 auto;
  padding: 1rem 1.25rem;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  text-align: center;
}

.noscript-warning {
  max-width: 960px;
  margin: 1rem auto;
  padding: 0.85rem 1.1rem;
  border: 1px solid var(--color-error);
  background: var(--color-error-bg);
  color: var(--color-error);
  border-radius: var(--radius);
}

/* ------------------------------------------------------------------ card */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem;
  max-width: 720px;
}

.card--narrow {
  max-width: 420px;
  margin: 2rem auto 0;
}

.card__title {
  margin: 0 0 0.35rem;
  font-size: 1.5rem;
}

.card__lead {
  margin: 0 0 1.5rem;
  color: var(--color-text-muted);
}

/* ------------------------------------------------------------------ form */
.form {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.field-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.field-row > .field {
  flex: 1 1 180px;
}

.field__label {
  font-weight: 600;
  font-size: 0.95rem;
}

.field__hint {
  margin: 0;
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.field__input {
  font: inherit;
  color: inherit;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  width: 100%;
}

.field__input--textarea {
  resize: vertical;
  min-height: 4.5rem;
}

.field__input:focus {
  outline: 3px solid var(--color-focus);
  outline-offset: 1px;
  border-color: var(--color-primary);
}

.field__input[aria-invalid="true"] {
  border-color: var(--color-error);
}

.field__error {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-error);
  font-weight: 600;
}

.field__error[hidden] {
  display: none;
}

.form__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 0.25rem;
}

/* --------------------------------------------------------------- buttons */
.btn {
  font: inherit;
  font-weight: 600;
  padding: 0.62rem 1.15rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  line-height: 1.2;
}

.btn:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

.btn:disabled,
.btn[aria-busy="true"] {
  opacity: 0.6;
  cursor: progress;
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
}

.btn--primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
  color: var(--color-primary-contrast);
}

.btn--secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn--secondary:hover:not(:disabled) {
  background: var(--color-info-bg);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--ghost:hover:not(:disabled) {
  background: var(--color-bg);
}

/* ----------------------------------------------------------------- modes */
.modes {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 0.75rem 1rem 1rem;
  margin: 0;
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.modes__legend {
  padding: 0 0.4rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.modes__option {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
}

.modes__option input:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------------------------------------------------------------- status */
.status {
  margin: 0 0 1.25rem;
  padding: 0;
  border-radius: var(--radius);
  font-weight: 600;
  min-height: 0;
}

.status:empty {
  display: none;
}

.status--error,
.status--success,
.status--info {
  padding: 0.75rem 1rem;
  border: 1px solid;
}

.status--error {
  background: var(--color-error-bg);
  border-color: var(--color-error);
  color: var(--color-error);
}

.status--success {
  background: var(--color-success-bg);
  border-color: var(--color-success);
  color: var(--color-success);
}

.status--info {
  background: var(--color-info-bg);
  border-color: var(--color-info);
  color: var(--color-info);
}

/* ---------------------------------------------------------------- result */
.result {
  margin-top: 2rem;
  padding: 1.5rem;
  border: 1px solid var(--color-success);
  background: var(--color-success-bg);
  border-radius: var(--radius);
}

.result[hidden] {
  display: none;
}

.result__title {
  margin: 0 0 0.25rem;
  color: var(--color-success);
  font-size: 1.25rem;
}

.result__lead {
  margin: 0 0 1rem;
  color: var(--color-text-muted);
}

.result__id-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.result__id {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  background: #fff;
  border: 1px dashed var(--color-success);
  border-radius: var(--radius);
  padding: 0.7rem 1rem;
  display: inline-block;
  word-break: break-all;
}

.result__meta {
  margin: 0 0 1.25rem;
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.25rem 1rem;
  font-size: 0.95rem;
}

.result__meta dt {
  font-weight: 600;
  color: var(--color-text-muted);
}

.result__meta dd {
  margin: 0;
}

/* --------------------------------------------------------------- results */
.results {
  margin-top: 2rem;
}

.results[hidden] {
  display: none;
}

.results__title {
  margin: 0 0 1rem;
  font-size: 1.25rem;
}

.results__title:focus {
  outline: none;
}

.record-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: var(--shadow);
}

.record-card__title {
  margin: 0 0 0.75rem;
  font-size: 1.1rem;
  color: var(--color-primary-dark);
}

.record {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.3rem 1.25rem;
  margin: 0;
}

.record dt {
  font-weight: 600;
  color: var(--color-text-muted);
}

.record dd {
  margin: 0;
  word-break: break-word;
}

/* --------------------------------------------------------- small screens */
@media (max-width: 520px) {
  .card {
    padding: 1.25rem;
  }

  .result__id {
    font-size: 1.15rem;
  }

  .record,
  .result__meta {
    grid-template-columns: 1fr;
    gap: 0.15rem 0;
  }

  .record dd,
  .result__meta dd {
    margin-bottom: 0.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    scroll-behavior: auto !important;
  }
}