/* Health Vault. Mobile first; no external resources (CSP: style-src 'self'). */
:root {
  --bg: #f4f7f8;
  --card: #ffffff;
  --text: #1c2630;
  --muted: #5b6b78;
  --accent: #1f7a6d;
  --accent-text: #ffffff;
  --border: #d5dee3;
  --err-bg: #fde8e8;
  --err-text: #8a1c1c;
  --ok-bg: #e6f4f1;
  --danger: #a12626;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #111820;
    --card: #1a2430;
    --text: #e6edf2;
    --muted: #9aaab6;
    --accent: #3fb8a6;
    --accent-text: #05211d;
    --border: #2c3a48;
    --err-bg: #3a1d1d;
    --err-text: #ffb4b4;
    --ok-bg: #173a35;
    --danger: #ff8a8a;
  }
}
:root[data-theme="dark"] {
  --bg: #111820;
  --card: #1a2430;
  --text: #e6edf2;
  --muted: #9aaab6;
  --accent: #3fb8a6;
  --accent-text: #05211d;
  --border: #2c3a48;
  --err-bg: #3a1d1d;
  --err-text: #ffb4b4;
  --ok-bg: #173a35;
  --danger: #ff8a8a;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 640px; margin: 0 auto; padding: 16px; }
h1 { font-size: 1.5rem; margin: 12px 0; }
h2 { font-size: 1.1rem; margin: 20px 0 8px; }
a { color: var(--accent); }
.muted { color: var(--muted); font-size: 0.9rem; }
.note { margin: 6px 0 0; font-size: 0.95rem; }

.top {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--border);
  position: sticky; top: 0;
}
.brand { font-weight: 700; color: var(--text); text-decoration: none; }
.logout { font-size: 0.9rem; }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px; margin: 10px 0;
}
.card h2 { margin-top: 0; }
.doc-head { display: flex; flex-direction: column; gap: 2px; }
.row { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }

label { display: block; margin: 10px 0; font-size: 0.95rem; }
input, select {
  display: block; width: 100%; margin-top: 4px; padding: 12px; font: inherit;
  border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text);
}
input[type="file"] { padding: 8px; }
button {
  display: inline-block; width: 100%; padding: 12px 16px; margin-top: 8px;
  font: inherit; font-weight: 600; border: 0; border-radius: 8px;
  background: var(--accent); color: var(--accent-text); cursor: pointer;
}
button.secondary { width: auto; background: transparent; color: var(--accent); border: 1px solid var(--accent); }
button.danger-btn { background: var(--danger); color: #fff; }
form.row button { width: auto; }

details { margin-top: 10px; }
summary { cursor: pointer; color: var(--accent); padding: 6px 0; font-weight: 600; }
.stack { display: flex; flex-direction: column; gap: 0; margin-top: 10px; }
.danger { margin-top: 16px; border-top: 1px dashed var(--border); padding-top: 12px; }

.flash { padding: 12px; border-radius: 8px; background: var(--ok-bg); }
.flash.err { background: var(--err-bg); color: var(--err-text); }
.steps { padding-left: 34px; }
.key { display: block; font-size: 1.15rem; letter-spacing: 0.08em; word-break: break-all; }
.codes { list-style: none; padding: 14px 18px; columns: 2; }
.codes li { padding: 4px 0; }
.codes code { font-size: 1.05rem; letter-spacing: 0.06em; white-space: nowrap; }
.member { padding: 8px 0; border-bottom: 1px solid var(--border); }
.member form { margin: 0; }
.member form button { width: auto; }
@media (max-width: 380px) { .codes { columns: 1; } }

@media (max-width: 380px) {
  main { padding: 12px; }
  .card { padding: 12px; }
}