:root {
  --ink: #14213d;
  --ink-soft: #4a5568;
  --line: #d9dee7;
  --bg: #f3f4f7;
  --card: #ffffff;
  --accent: #fca311;
  --accent-ink: #14213d;
  --danger: #c0392b;
  --ok: #1f7a4d;
  color-scheme: light;
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", "Noto Sans KR", sans-serif;
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
}

.shell {
  max-width: 460px;
  margin: 0 auto;
  padding: 28px 16px 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.brand-name { font-weight: 700; font-size: 17px; letter-spacing: -0.01em; }
.brand-sub { font-size: 13px; color: var(--ink-soft); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px 20px;
  margin-bottom: 16px;
}
.center { text-align: center; }

h1 { font-size: 22px; margin: 0 0 6px; letter-spacing: -0.02em; }
h2 { font-size: 18px; margin: 0 0 6px; }

.muted { color: var(--ink-soft); margin: 0 0 18px; }
.small { font-size: 13px; }

form { display: grid; gap: 14px; }

fieldset {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 14px 16px;
  margin: 0;
  display: grid;
  gap: 12px;
}
legend { font-weight: 700; padding: 0 6px; display: flex; align-items: center; gap: 8px; }
.step {
  display: inline-grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  font-size: 12px;
}

label { display: grid; gap: 6px; font-size: 14px; font-weight: 600; }

input {
  font: inherit;
  font-weight: 400;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  width: 100%;
}
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--ink); }

.hint { font-weight: 400; font-size: 12.5px; color: var(--ink-soft); }

.btn {
  font: inherit;
  font-weight: 700;
  border: 0;
  border-radius: 9px;
  padding: 12px 16px;
  background: var(--ink);
  color: #fff;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.15); }
.btn:disabled { opacity: 0.6; cursor: progress; }
.btn.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.small { padding: 7px 12px; font-size: 13px; }

.error { color: var(--danger); font-size: 14px; margin: 0; min-height: 0; }
.error:empty { display: none; }

.qr {
  justify-self: center;
  width: 190px;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.qr svg { display: block; width: 100%; height: auto; }

details summary { cursor: pointer; color: var(--ink-soft); }
.secret {
  display: block;
  margin-top: 8px;
  padding: 10px;
  background: var(--bg);
  border-radius: 8px;
  font: 600 14px/1.5 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  word-break: break-all;
}

.bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.who { font-weight: 700; }
.bar-actions { display: flex; gap: 8px; flex-shrink: 0; }

.checks { margin: 0; padding: 0; list-style: none; display: grid; gap: 8px; font-size: 14px; }
.checks li { padding-left: 24px; position: relative; }
.checks li::before { content: "✓"; position: absolute; left: 4px; color: var(--ok); font-weight: 700; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 14px;
  margin: 0;
  max-width: calc(100% - 32px);
}

[hidden] { display: none !important; }

/* ---------- step 2: vault ---------- */
#view-home { display: grid; gap: 16px; }
#view-home .bar { margin-bottom: 0; }
#view-home .card { margin-bottom: 0; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.vault { display: grid; gap: 12px; }
.vault-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.vault-title { display: flex; align-items: center; gap: 10px; min-width: 0; flex-wrap: wrap; }
select {
  font: inherit; font-weight: 700; font-size: 17px; color: var(--ink);
  border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; background: #fff; max-width: 100%;
}
textarea {
  font: inherit; padding: 11px 12px; border: 1px solid var(--line); border-radius: 8px; width: 100%; resize: vertical; color: var(--ink);
}
textarea:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.items { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.item {
  width: 100%; display: flex; align-items: center; gap: 12px; text-align: left;
  font: inherit; color: var(--ink); background: transparent; border: 1px solid var(--line);
  border-radius: 10px; padding: 10px 12px; cursor: pointer;
}
.item:hover { border-color: var(--ink-soft); }
.item.on { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.item:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.mark { width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center; flex-shrink: 0; background: var(--bg); font-weight: 700; }
.item-text { display: grid; min-width: 0; flex: 1; }
.item-site { font-weight: 700; }
.item-user { font-size: 13px; color: var(--ink-soft); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--danger); flex-shrink: 0; }
.detail-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.detail-head h2 { margin: 0; font-size: 19px; }
.detail-head a { color: var(--ink-soft); font-size: 13px; word-break: break-all; }
.badge { font-size: 12px; font-weight: 700; color: var(--danger); border: 1px solid var(--danger); border-radius: 999px; padding: 2px 8px; }
.fields { display: grid; margin: 0; }
.field { display: grid; gap: 4px; padding: 10px 0; border-top: 1px solid var(--line); }
.field dt { font-size: 12px; color: var(--ink-soft); font-weight: 600; }
.field dd { margin: 0; display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.val { min-width: 0; word-break: break-all; }
.pre { white-space: pre-wrap; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; letter-spacing: 0.04em; }
.acts { display: flex; gap: 6px; }
.meta { margin: 8px 0 12px; }
.btn.danger { color: var(--danger); border-color: var(--danger); }
.pw-row { display: flex; gap: 6px; align-items: center; }
.pw-row input { flex: 1; min-width: 0; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.foot { margin: 0; text-align: center; }
.label-block { display: grid; gap: 6px; font-size: 14px; font-weight: 600; }
.pw-row .btn { flex-shrink: 0; }
.btn.ghost:hover { filter: none; background: var(--bg); border-color: var(--ink-soft); }