:root {
  --bg: #f6f3ef;
  --surface: #ffffff;
  --text: #2b2724;
  --muted: #6f6660;
  --line: #e4ddd5;
  --accent: #8a5a44;
  --accent-text: #ffffff;
  --ok-bg: #e7f2ea;
  --ok-text: #245a35;
  --warn-bg: #fbeee4;
  --warn-text: #8a3b12;
  --danger: #a3312a;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1a19;
    --surface: #262322;
    --text: #eee8e2;
    --muted: #a99f97;
    --line: #3a3532;
    --accent: #c98e72;
    --accent-text: #1c1a19;
    --ok-bg: #1f3326;
    --ok-text: #9fd3ae;
    --warn-bg: #3a261b;
    --warn-text: #f0b48f;
    --danger: #e0766f;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  -webkit-text-size-adjust: 100%;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

h1 { font-size: 1.6rem; margin: 0 0 16px; }
h2 { font-size: 1.15rem; margin: 0 0 12px; }
a { color: var(--accent); }
code { font-size: .95em; }

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  padding: 10px 16px;
  padding-top: max(10px, env(safe-area-inset-top));
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.topbar .brand { font-weight: 600; }
.topbar nav { display: flex; gap: 16px; flex: 1; }
.topbar nav a { text-decoration: none; }
.topbar .logout { display: flex; align-items: center; gap: 10px; margin: 0; }
.topbar .who { color: var(--muted); }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px;
  margin: 0 0 20px;
}
.narrow { max-width: 460px; margin: 40px auto; }
.muted { color: var(--muted); }

label { display: block; font-weight: 600; margin: 16px 0 6px; }
input[type="email"], input[type="text"], input:not([type]), input[inputmode], input[type="month"], input[type="file"] {
  width: 100%;
  font: inherit;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
}
input#code { font-size: 1.5rem; letter-spacing: .3em; text-align: center; }

button, .button {
  display: inline-block;
  font: inherit;
  font-weight: 600;
  padding: 10px 16px;
  margin-top: 16px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-text);
  text-decoration: none;
  cursor: pointer;
}
button:disabled { opacity: .5; cursor: default; }
button.secondary, .button.secondary { background: transparent; color: var(--accent); }
button.danger { background: transparent; border-color: var(--danger); color: var(--danger); }
button.small, .topbar button { margin-top: 0; padding: 6px 12px; }
td .button { margin-top: 0; padding: 6px 14px; }

.flash { padding: 10px 14px; border-radius: 8px; background: var(--ok-bg); color: var(--ok-text); }
.flash-error, .error { background: var(--warn-bg); color: var(--warn-text); }
.success { background: var(--ok-bg); color: var(--ok-text); }
#device-result:not(:empty) { padding: 10px 14px; border-radius: 8px; }

.device-status { padding: 10px 14px; border-radius: 8px; background: var(--line); }
.device-status.state-active { background: var(--ok-bg); color: var(--ok-text); }
.device-status.state-missing, .device-status.state-revoked, .device-status.state-error {
  background: var(--warn-bg); color: var(--warn-text);
}

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--surface); }
th, td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
thead th { font-size: .85rem; color: var(--muted); font-weight: 600; }
tr.done td { color: var(--muted); }
.badge { display: inline-block; padding: 2px 10px; border-radius: 99px; background: var(--warn-bg); color: var(--warn-text); font-size: .85rem; }
table.log td { font-size: .9rem; }

.case-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; align-items: flex-start; }
.case-head .actions { display: flex; flex-wrap: wrap; gap: 8px; }
.case-head .actions button, .case-head .actions .button { margin-top: 0; }
table.answers th { width: 35%; font-weight: 600; }
table.answers td { white-space: pre-wrap; overflow-wrap: anywhere; }
.treatment table.answers { font-size: 1.1rem; }
.doc-section { margin: 0 0 20px; break-inside: avoid; }
.doc-section h2 { font-size: .8rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin: 0 0 6px; }
.doc-section table { border: 1px solid var(--line); }
img.signature { display: block; max-width: 100%; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 8px; }

.steps { padding-left: 20px; }
.month { display: flex; flex-wrap: wrap; align-items: end; gap: 12px; margin: 0 0 20px; }
.month label { margin: 0; width: 100%; }
.month input { width: auto; }
.month button { margin-top: 0; }

@media (max-width: 640px) {
  table.answers th, table.answers td { display: block; width: auto; border: 0; padding: 4px 0; }
  table.answers tr { display: block; padding: 10px 0; border-bottom: 1px solid var(--line); }
}

@media print {
  :root { --bg: #fff; --surface: #fff; --text: #000; --muted: #444; --line: #bbb; }
  .topbar, .no-print, .flash { display: none !important; }
  main { padding: 0; max-width: none; }
}