:root {
  --bg: #f6f7f9; --panel: #ffffff; --text: #1d2330; --muted: #667085; --line: #dfe3ea;
  --accent: #2563eb; --accent-text: #ffffff; --danger: #c62828; --ok: #1b7f3b; --hover: #eef1f6;
  --sel: #e6eeff; --today: #fff4d6;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c; --panel: #1c2027; --text: #e6e9ef; --muted: #98a2b3; --line: #2c323c;
    --accent: #5b8cff; --accent-text: #0b1020; --danger: #ff7b72; --ok: #5fd07f; --hover: #262c36;
    --sel: #223055; --today: #3b3320;
  }
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
#app { min-height: 100%; display: flex; flex-direction: column; }
button, input, select, textarea { font: inherit; color: inherit; }
button { white-space: nowrap; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 6px 12px; cursor: pointer; }
button:hover:not(:disabled) { background: var(--hover); }
button:disabled { opacity: .55; cursor: default; }
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
button.primary:hover:not(:disabled) { filter: brightness(1.08); background: var(--accent); }
button.danger { color: var(--danger); }
input, select, textarea { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; width: 100%; }
input[type=checkbox] { width: auto; }
input:focus, textarea:focus, select:focus, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
label { display: block; margin: 10px 0 0; font-size: .9rem; color: var(--muted); }
label > input, label > select, label > textarea { margin-top: 4px; color: var(--text); }
h1, h2, h3 { margin: .4em 0; }
.hint { color: var(--muted); font-size: .88rem; }
.msg { color: var(--danger); min-height: 1.2em; margin: 8px 0; }
.ok { color: var(--ok); }
.boot { padding: 2rem; color: var(--muted); }

/* вход */
.auth-wrap { max-width: 400px; margin: 8vh auto 0; padding: 0 16px; width: 100%; }
.tabs { display: flex; gap: 6px; margin: 12px 0; }
.tabs button { flex: 1; }
.tabs button.active { background: var(--sel); border-color: var(--accent); }
.auth-form button[type=submit] { width: 100%; margin-top: 8px; padding: 9px; }

/* шапка */
.top { display: flex; align-items: center; gap: 10px; padding: 8px 14px; background: var(--panel); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.top nav { display: flex; gap: 4px; }
.top nav button { border-color: transparent; background: transparent; }
.top nav button.active { background: var(--sel); border-color: var(--accent); }
.status { margin-left: auto; color: var(--muted); font-size: .85rem; }
.user { font-size: .9rem; color: var(--muted); }
main { flex: 1; min-height: 0; display: flex; }

/* заметки */
.notes { display: grid; grid-template-columns: 320px 1fr; width: 100%; height: calc(100vh - 53px); }
.sidebar { border-right: 1px solid var(--line); overflow: auto; background: var(--panel); display: flex; flex-direction: column; }
.side-top { display: flex; gap: 6px; padding: 10px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; padding: 0 10px 8px; }
.chip { padding: 2px 9px; border-radius: 999px; font-size: .82rem; }
.chip.active { background: var(--sel); border-color: var(--accent); }
.note-list { list-style: none; margin: 0; padding: 0; }
.note-list li.selected .note-item { background: var(--sel); }
.note-item { display: flex; flex-direction: column; align-items: flex-start; width: 100%; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; text-align: left; padding: 10px 12px; background: transparent; }
.nt { font-weight: 600; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nd { color: var(--muted); font-size: .8rem; }
.empty { padding: 14px; color: var(--muted); }
.editor { display: flex; flex-direction: column; padding: 12px 16px; gap: 8px; min-width: 0; overflow: auto; }
.placeholder { margin: auto; color: var(--muted); }
.ed-bar { display: flex; gap: 6px; flex-wrap: wrap; }
.ed-bar .back { display: none; }
.ed-title { font-size: 1.3rem; font-weight: 600; }
.ed-body { flex: 1; min-height: 300px; resize: none; font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; font-size: .95rem; }
.preview { flex: 1; overflow: auto; padding: 4px 8px; }
.markdown pre { background: var(--hover); padding: 10px; border-radius: 8px; overflow: auto; }
.markdown code { background: var(--hover); padding: 1px 5px; border-radius: 4px; font-family: ui-monospace, Menlo, Consolas, monospace; }
.markdown pre code { background: none; padding: 0; }
.markdown blockquote { margin: .6em 0; padding: 0 12px; border-left: 3px solid var(--line); color: var(--muted); }
.markdown a { color: var(--accent); }
.markdown ul, .markdown ol { padding-left: 1.4em; }
.markdown li { margin: 2px 0; }
[hidden] { display: none !important; }

/* календарь */
.calendar { width: 100%; max-width: 1100px; margin: 0 auto; padding: 12px 16px; display: grid; grid-template-columns: 1fr 300px; gap: 12px 20px; align-content: start; }
.cal-head { grid-column: 1 / -1; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.cal-head h2 { margin: 0 8px; min-width: 9ch; }
.cal-head .primary { margin-left: auto; }
.grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; align-self: start; }
.dow { background: var(--panel); text-align: center; padding: 4px; font-size: .8rem; color: var(--muted); }
.cell { background: var(--panel); border: 0; border-radius: 0; min-height: 84px; padding: 4px; text-align: left; display: flex; flex-direction: column; gap: 2px; overflow: hidden; align-items: stretch; }
.cell.other { opacity: .5; }
.cell.today { background: var(--today); }
.cell.sel { outline: 2px solid var(--accent); outline-offset: -2px; }
.cell .num { font-size: .85rem; font-weight: 600; }
.ev { background: var(--sel); border-radius: 4px; padding: 0 4px; font-size: .75rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.more { font-size: .72rem; color: var(--muted); }
.cal-side h3 { margin-top: 0; }
.rows { list-style: none; margin: 0 0 14px; padding: 0; }
.row { display: flex; gap: 8px; width: 100%; text-align: left; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; padding: 7px 4px; }
.rt { color: var(--muted); min-width: 6.5em; font-size: .88rem; }
.rn { flex: 1; }

.overlay { position: fixed; inset: 0; background: rgba(0, 0, 0, .45); display: flex; align-items: flex-start; justify-content: center; overflow: auto; padding: 4vh 12px; z-index: 10; }
.dialog { background: var(--panel); border-radius: 12px; padding: 16px 18px; width: 100%; max-width: 480px; border: 1px solid var(--line); }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.check { display: flex; align-items: center; gap: 8px; color: var(--text); margin: 8px 0 0; }
.checks { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
fieldset { border: 1px solid var(--line); border-radius: 8px; margin: 12px 0 0; }
legend { color: var(--muted); font-size: .9rem; padding: 0 6px; }
.dialog-buttons { display: flex; gap: 8px; margin-top: 12px; }
.grow { flex: 1; }

/* настройки */
.settings { width: 100%; max-width: 640px; margin: 0 auto; padding: 12px 16px 40px; }
.settings section { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 4px 16px 16px; margin: 14px 0; }
.stack { display: grid; gap: 8px; margin-top: 8px; }
.inline { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.inline input { flex: 1; min-width: 140px; width: auto; }
.secret { display: block; font-size: 1.15rem; letter-spacing: .05em; padding: 10px; background: var(--hover); border-radius: 8px; word-break: break-all; user-select: all; }
.recovery { background: var(--hover); padding: 10px; border-radius: 8px; font-size: 1rem; user-select: all; }
details summary { cursor: pointer; color: var(--muted); }

.toast { position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); max-width: 90vw; background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 10px; z-index: 20; }
.toast.error { background: var(--danger); color: #fff; }

@media (max-width: 760px) {
  .notes { grid-template-columns: 1fr; height: auto; min-height: calc(100vh - 53px); }
  .notes .editor { display: none; }
  .notes.has-selection .sidebar { display: none; }
  .notes.has-selection .editor { display: flex; }
  .ed-bar .back { display: inline-block; }
  .calendar { grid-template-columns: 1fr; }
  .cell { min-height: 56px; }
  .ev { display: none; }
  .cell.has-ev .num::after { content: ' \25CF'; font-size: .6em; color: var(--accent); vertical-align: middle; }
  .status { display: none; }
}

table.users { width: 100%; border-collapse: collapse; font-size: .9rem; margin-top: 10px; }
table.users th, table.users td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); overflow-wrap: anywhere; }
label.check { display: flex; align-items: center; gap: 8px; }
label.check input { width: auto; }