:root {
  color-scheme: dark;
  --bg: #0c0e12;
  --panel: #14171d;
  --panel-2: #191d25;
  --line: #232831;
  --fg: #e6e9ef;
  --muted: #8b94a3;
  --accent: #6ea8fe;
  --accent-2: #3ad29f;
  --danger: #ff5d6c;
  --radius: 9px;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
}

#app {
  max-width: 460px;
  margin: 0 auto;
  min-height: 100%;
  padding: 18px 16px 28px;
  display: flex;
  flex-direction: column;
}

.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
}
.brand .dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent-2); box-shadow: 0 0 10px var(--accent-2);
}
.brand h1 { font: 600 16px/1 var(--mono); letter-spacing: 1px; margin: 0; }
.brand .spacer { flex: 1; }

.screen { display: none; flex-direction: column; gap: 14px; flex: 1; }
.screen.active { display: flex; }

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}
.card h2 { margin: 0 0 4px; font-size: 16px; }
.card p.hint { margin: 0 0 14px; color: var(--muted); font-size: 13px; }

label { display: block; font-size: 12px; color: var(--muted); margin: 12px 0 5px; }
input, textarea {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--fg);
  font: 14px var(--sans);
  padding: 10px 11px;
  outline: none;
}
input:focus, textarea:focus { border-color: var(--accent); }
textarea { resize: vertical; min-height: 64px; font-family: var(--mono); }
input.mono { font-family: var(--mono); }

.row { display: flex; gap: 10px; }
.row > * { flex: 1; }

button {
  font: 600 14px var(--sans);
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--fg);
  padding: 10px 14px;
  border-radius: 7px;
  cursor: pointer;
  transition: border-color .12s, background .12s;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #07101f; }
button.primary:hover { filter: brightness(1.07); }
button.ghost { background: transparent; }
button.danger { color: var(--danger); border-color: transparent; }
button.danger:hover { border-color: var(--danger); }
button:disabled { opacity: .5; cursor: not-allowed; }
button.iconbtn { padding: 7px 9px; font-family: var(--mono); }

.full { width: 100%; margin-top: 16px; }
.linkrow { margin-top: 14px; text-align: center; color: var(--muted); font-size: 13px; }
.linkrow a { color: var(--accent); cursor: pointer; text-decoration: none; }

.err { color: var(--danger); font-size: 13px; min-height: 18px; margin-top: 8px; }
.ok { color: var(--accent-2); }

/* vault list */
.toolbar { display: flex; align-items: center; gap: 8px; }
.toolbar input { flex: 1; }
.count { color: var(--muted); font: 12px var(--mono); }

.list { display: flex; flex-direction: column; gap: 8px; }
.entry {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 13px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.entry .meta { flex: 1; min-width: 0; }
.entry .title { font-weight: 600; }
.entry .sub {
  color: var(--muted); font: 12px var(--mono);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.entry .actions { display: flex; gap: 6px; }

.empty { color: var(--muted); text-align: center; padding: 40px 0; }

/* recovery code display */
.code {
  font: 600 18px/1.6 var(--mono);
  letter-spacing: 1px;
  background: var(--panel-2);
  border: 1px dashed var(--accent-2);
  border-radius: 8px;
  padding: 14px;
  text-align: center;
  word-break: break-all;
  color: var(--accent-2);
}
.warn {
  background: rgba(255,93,108,.08);
  border: 1px solid rgba(255,93,108,.35);
  color: #ffb3ba;
  border-radius: 8px; padding: 10px 12px; font-size: 13px;
}

/* modal */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,.55);
  display: none; align-items: center; justify-content: center; padding: 16px;
  z-index: 50;
}
.modal-backdrop.active { display: flex; }
.modal {
  width: 100%; max-width: 430px;
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 18px;
  max-height: 90vh; overflow: auto;
}

/* toast */
#toast {
  position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%);
  background: var(--panel-2); border: 1px solid var(--line);
  color: var(--fg); padding: 10px 16px; border-radius: 8px;
  font-size: 13px; opacity: 0; pointer-events: none; transition: opacity .2s;
  z-index: 80; max-width: 90%;
}
#toast.show { opacity: 1; }
#toast.toast-err { border-color: var(--danger); color: #ffb3ba; }
#toast.toast-ok { border-color: var(--accent-2); }

.muted { color: var(--muted); font-size: 12px; }

/* corner links (download extension / open Telegram bot) — unobtrusive, dark */
.corner-links {
  position: fixed;
  right: 14px;
  bottom: 14px;
  display: flex;
  gap: 8px;
  z-index: 40;
}
.corner-links a {
  font: 12px var(--mono);
  color: var(--muted);
  text-decoration: none;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 6px 9px;
  transition: border-color .12s, color .12s;
}
.corner-links a:hover { color: var(--fg); border-color: var(--accent); }
.corner-links a[hidden] { display: none; }

/* settings section dividers + sub-headings */
hr.sep { border: 0; border-top: 1px solid var(--line); margin: 18px 0 14px; }
.card h3 { margin: 0 0 4px; font-size: 14px; color: var(--fg); }
.kv { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid var(--line); }
.kv:last-child { border-bottom: 0; }
.kv .k { color: var(--muted); }
.kv .v { font-family: var(--mono); }