:root {
  --bg: #0e0e10;
  --surface: #16161a;
  --surface-2: #1c1c21;
  --border: #26262c;
  --text: #ececf0;
  --muted: #8b8b95;
  --accent: #ececf0;
  --danger: #ff6b6b;
  --radius: 12px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}
.wrap { max-width: 760px; margin: 0 auto; padding: 56px 22px 80px; }
.muted { color: var(--muted); }
[hidden] { display: none !important; }

/* header */
.top { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 36px; }
.brand h1 { margin: 0; font-size: 28px; font-weight: 650; letter-spacing: -0.02em; }
.brand p { margin: 6px 0 0; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }

/* buttons + inputs */
button, .btn {
  font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--border); border-radius: 9px;
  padding: 7px 13px; cursor: pointer; text-decoration: none;
  display: inline-flex; align-items: center; gap: 6px; line-height: 1.3;
  transition: background .15s, border-color .15s;
}
button:hover, .btn:hover { background: var(--surface-2); border-color: #34343c; }
button:focus-visible, .btn:focus-visible, input:focus-visible, textarea:focus-visible, .chip:focus-visible {
  outline: 2px solid #5b5b66; outline-offset: 2px;
}
button.ghost { background: transparent; }
button.primary { background: var(--accent); color: #0e0e10; border-color: var(--accent); font-weight: 600; }
button.primary:hover { background: #fff; }
button.primary:disabled { opacity: .6; cursor: default; }
button.danger { color: var(--danger); background: transparent; }
button.small { padding: 4px 10px; font-size: 13px; }

input, textarea {
  width: 100%; font: inherit; color: var(--text);
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 9px; padding: 9px 11px;
}
input[type=file] { padding: 7px; color: var(--muted); }
input[type=checkbox] { width: auto; }
textarea { resize: vertical; min-height: 90px; }
input::placeholder, textarea::placeholder { color: #55555e; }

/* toolbar */
.toolbar { display: flex; flex-direction: column; gap: 14px; margin-bottom: 8px; }
.toolbar input { background: var(--surface); }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chips:empty { display: none; }
.chip {
  font: inherit; font-size: 13px; color: var(--muted); background: transparent;
  border: 1px solid var(--border); border-radius: 999px; padding: 3px 12px; cursor: pointer;
}
.chip:hover { color: var(--text); background: transparent; }
.chip.on { color: #0e0e10; background: var(--text); border-color: var(--text); }

/* list */
.list { margin-top: 12px; }
.item { padding: 26px 0; border-bottom: 1px solid var(--border); }
.item:first-child { border-top: 1px solid var(--border); }
.item .meta { display: flex; gap: 10px; align-items: center; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.item .tag { color: var(--text); background: var(--surface-2); border: 1px solid var(--border); border-radius: 999px; padding: 0 9px; }
.item h3 { margin: 0; font-size: 19px; font-weight: 600; letter-spacing: -0.01em; }
.item .notes { margin: 8px 0 0; color: #c4c4cc; white-space: pre-wrap; overflow-wrap: anywhere; }
.links { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; align-items: center; }
.links .btn span { font-size: 13px; }
.links .spacer { flex: 1; }
.empty { text-align: center; padding: 60px 0; }

/* dialogs */
dialog {
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border); border-radius: 16px;
  padding: 0; width: min(480px, calc(100vw - 28px)); max-height: calc(100dvh - 28px);
  box-shadow: 0 24px 80px rgba(0,0,0,.6);
}
dialog::backdrop { background: rgba(0,0,0,.6); backdrop-filter: blur(4px); }
.sheet { padding: 22px; display: flex; flex-direction: column; gap: 14px; }
.sheet h2 { margin: 0 0 2px; font-size: 18px; }
.sheet label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.sheet label.check { flex-direction: row; align-items: center; gap: 8px; }
.sheet label.check b { color: var(--text); font-weight: 500; overflow-wrap: anywhere; }
.row { display: flex; gap: 8px; align-items: center; }
.row.end { justify-content: flex-end; }
.grow { flex: 1; }
.err { margin: 0; color: var(--danger); font-size: 13px; }
.hint { margin: 0; font-size: 13px; }
code { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 1px 6px; font-size: 12px; }

@media (max-width: 520px) {
  .wrap { padding-top: 36px; }
  .brand h1 { font-size: 24px; }
}