:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --ink: #1b1d21;
  --ink-soft: #5b6069;
  --line: #dfe2e7;
  --accent: #1f5fbf;
  --accent-ink: #ffffff;
  --good: #17683c;
  --bad: #a52222;
  --radius: 10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --surface: #1c1f24;
    --ink: #e9eaec;
    --ink-soft: #9aa1ac;
    --line: #2e333b;
    --accent: #5b9bff;
    --accent-ink: #0d1117;
    --good: #64d19a;
    --bad: #ff8a7a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
}

/* Top bar ---------------------------------------------------------------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  letter-spacing: 0.01em;
}

.brand svg { width: 1.35rem; height: 1.35rem; color: var(--accent); }

.who {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.who form { margin: 0; }

/* Cards ------------------------------------------------------------------ */

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

.card.narrow { max-width: 24rem; margin: 3rem auto; }

h1 { font-size: 1.4rem; margin: 0 0 0.5rem; }
h2 { font-size: 1.2rem; margin: 0 0 0.5rem; }
h3 { font-size: 1rem; margin: 1.75rem 0 0.35rem; }
h4 { font-size: 0.9rem; margin: 1rem 0 0.5rem; color: var(--ink-soft); }

.lede { color: var(--ink-soft); margin: 0 0 1.25rem; }
.hint { color: var(--ink-soft); font-size: 0.85rem; margin: 0.35rem 0 0; }
.none { color: var(--ink-soft); }

/* Forms ------------------------------------------------------------------ */

.stack { display: grid; gap: 1rem; }

label { display: block; font-size: 0.9rem; }

input[type="text"],
input[type="password"] {
  width: 100%;
  margin-top: 0.3rem;
  padding: 0.55rem 0.65rem;
  font: inherit;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
}

input:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

button {
  font: inherit;
  border-radius: 6px;
  border: 1px solid transparent;
  padding: 0.55rem 1.1rem;
  cursor: pointer;
}

button.primary { background: var(--accent); color: var(--accent-ink); font-weight: 600; }
button.secondary { background: transparent; color: var(--ink); border-color: var(--line); }
button.link {
  background: none;
  border: none;
  padding: 0;
  color: var(--accent);
  text-decoration: underline;
}
button:disabled { opacity: 0.5; cursor: not-allowed; }

/* Dropzone --------------------------------------------------------------- */

.dropzone {
  border: 1.5px dashed var(--line);
  border-radius: var(--radius);
  padding: 1.75rem 1rem;
  text-align: center;
  transition: border-color 0.15s, background 0.15s;
}

.dropzone.over { border-color: var(--accent); background: rgba(31, 95, 191, 0.06); }
#file-name { margin: 0 0 0.75rem; font-weight: 600; word-break: break-all; }

/* Checkboxes ------------------------------------------------------------- */

.detectors {
  border: none;
  padding: 0;
  margin: 1.5rem 0;
}

.detectors legend {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  width: 100%;
  padding: 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin-bottom: 0.35rem;
}

.legend-actions { display: flex; gap: 0.75rem; font-size: 0.85rem; }

.detector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 0 1.25rem;
}

.formats {
  list-style: none;
  margin: 0.9rem 0 0;
  padding: 0.9rem 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.35rem 1.5rem;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.formats strong { font-weight: 600; color: var(--ink); margin-right: 0.4rem; }
.formats span { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; }

.check {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  padding: 0.4rem 0;
}

.check input { margin-top: 0.3rem; flex: none; }
.check strong { display: block; font-size: 0.9rem; }
.check em { font-style: normal; color: var(--ink-soft); font-size: 0.85rem; }
.check.inline { align-items: center; padding: 0.15rem 0; }

.columns {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr));
  gap: 0 1rem;
}

.sheet + .sheet { border-top: 1px solid var(--line); margin-top: 1rem; padding-top: 0.5rem; }

/* Results ---------------------------------------------------------------- */

.counts { width: 100%; border-collapse: collapse; margin-bottom: 0.5rem; }
.counts th, .counts td { text-align: left; padding: 0.4rem 0; border-bottom: 1px solid var(--line); }
.counts th { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink-soft); }
.counts td:last-child, .counts th:last-child { text-align: right; font-variant-numeric: tabular-nums; }

.actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.countdown {
  margin-left: auto;
  color: var(--ink-soft);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
}

/* Messages --------------------------------------------------------------- */

.status { min-height: 1.4rem; margin: 0.85rem 0 0; font-size: 0.9rem; }
.status.busy { color: var(--ink-soft); }
.status.good { color: var(--good); }
.status.bad { color: var(--bad); }

.error { color: var(--bad); margin: 0 0 1rem; }

.notice {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0.75rem;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

code { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; font-size: 0.85em; }

/* People and account -------------------------------------------------------- */

.who a { color: var(--ink-soft); text-decoration: none; }
.who a:hover { color: var(--ink); text-decoration: underline; }

input[type="email"] {
  padding: 0.55rem 0.65rem;
  font: inherit;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 6px;
}

.row-form {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin: 0.5rem 0 0;
}

.row-form input[type="email"] { flex: 1 1 16rem; min-width: 0; }

.people { width: 100%; border-collapse: collapse; margin-top: 0.5rem; }

.people th,
.people td {
  text-align: left;
  padding: 0.5rem 0.6rem 0.5rem 0;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

.people th {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
}

.people .right { text-align: right; }
.people .muted { color: var(--ink-soft); font-size: 0.85rem; }

.actions-cell {
  display: flex;
  gap: 0.9rem;
  justify-content: flex-end;
  align-items: center;
}

.actions-cell form { margin: 0; }
button.link.danger { color: var(--bad); }

.handover {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  margin: 1rem 0;
}

.handover h3 { margin: 0 0 0.5rem; font-size: 0.95rem; }

.password {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  user-select: all;
  word-break: break-all;
  margin: 0 0 0.5rem;
}

.good { color: var(--good); margin: 0 0 1rem; }

/* Sign in ------------------------------------------------------------------ */

body.signin {
  min-height: 100vh;
  background:
    radial-gradient(1100px 620px at 12% -10%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 60%),
    radial-gradient(900px 520px at 110% 110%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 60%),
    var(--bg);
}

body.signin main {
  max-width: 62rem;
  display: flex;
  align-items: center;
  min-height: 100vh;
  padding: 2rem 1.25rem;
}

.signin-layout {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 4rem;
  align-items: center;
  width: 100%;
}

.signin-pitch .mark {
  width: 3rem;
  height: 3rem;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--accent-ink);
  background: var(--accent);
  box-shadow: 0 10px 30px -12px color-mix(in srgb, var(--accent) 70%, transparent);
}

.signin-pitch .mark svg { width: 1.7rem; height: 1.7rem; }

.signin-pitch h1 {
  font-size: clamp(2.1rem, 5vw, 2.9rem);
  letter-spacing: -0.02em;
  margin: 1.4rem 0 0.6rem;
}

.tagline {
  color: var(--ink-soft);
  font-size: 1.05rem;
  max-width: 26rem;
  margin: 0 0 2rem;
}

.assurances { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.9rem; }

.assurances li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink-soft);
  font-size: 0.92rem;
}

.assurances svg {
  width: 1.15rem;
  height: 1.15rem;
  flex: none;
  color: var(--accent);
}

.signin-card {
  background: color-mix(in srgb, var(--surface) 86%, transparent);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 2rem;
  backdrop-filter: blur(14px);
  box-shadow: 0 24px 60px -30px rgba(0, 0, 0, 0.55);
}

.signin-card h2 { font-size: 1.3rem; margin: 0 0 0.3rem; letter-spacing: -0.01em; }
.signin-sub { color: var(--ink-soft); font-size: 0.88rem; margin: 0 0 1.5rem; }

.field span {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink-soft);
  margin-bottom: 0.4rem;
}

.field input {
  width: 100%;
  margin: 0;
  padding: 0.7rem 0.8rem;
  border-radius: 9px;
  background: var(--bg);
  border: 1px solid var(--line);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.field input::placeholder { color: color-mix(in srgb, var(--ink-soft) 65%, transparent); }

.field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 22%, transparent);
}

button.block { width: 100%; padding: 0.7rem 1rem; border-radius: 9px; }

.signin-foot {
  margin: 1.5rem 0 0;
  font-size: 0.82rem;
  color: var(--ink-soft);
  text-align: center;
}

@media (max-width: 44rem) {
  .signin-layout { grid-template-columns: 1fr; gap: 2.5rem; }
  .signin-pitch .assurances { display: none; }
  body.signin main { align-items: flex-start; }
}