:root {
  --bg: #f1f2f5;
  --panel: #ffffff;
  --panel-2: #f6f7f9;
  --text: #17181c;
  --muted: #6b7280;
  --line: #e4e6eb;
  --accent: #4262ff;
  --accent-soft: rgba(66, 98, 255, 0.12);
  --danger: #e5484d;
  --shadow: 0 4px 20px rgba(20, 25, 45, 0.13), 0 1px 3px rgba(20, 25, 45, 0.08);
  --radius: 12px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, Roboto, 'Helvetica Neue', Arial, sans-serif;
}

body[data-theme='dark'] {
  --bg: #17191d;
  --panel: #212429;
  --panel-2: #191b1f;
  --text: #ecedef;
  --muted: #8b919b;
  --line: #32363e;
  --accent: #6c8bff;
  --accent-soft: rgba(108, 139, 255, 0.18);
  --shadow: 0 6px 24px rgba(0, 0, 0, 0.5), 0 1px 3px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }

/* важнее любых display у .menu/.grid — иначе скрытая панель ловит клики */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

#app { position: fixed; inset: 0; }

#board {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  touch-action: none;
  display: block;
}

#layer { position: absolute; inset: 0; pointer-events: none; }

button { font-family: inherit; color: inherit; }

/* ------------------------------- верхняя панель ------------------------------- */

#topbar {
  position: absolute;
  top: 12px; left: 12px; right: 12px;
  height: 48px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 8px;
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 20;
}

.spacer { flex: 1; }
.divider { width: 1px; height: 24px; background: var(--line); margin: 0 4px; }

.tb-btn, .tool, .z-btn {
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  color: var(--text);
  transition: background .12s;
}
.tb-btn:hover, .tool:hover, .z-btn:hover { background: var(--panel-2); }
.tb-btn:disabled { opacity: .35; cursor: default; }
.tb-btn:disabled:hover { background: transparent; }

svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

.board-name {
  border: 0;
  background: transparent;
  font: 600 15px/1 var(--font);
  color: var(--text);
  padding: 8px 8px;
  border-radius: 8px;
  min-width: 80px;
  max-width: 280px;
  width: 200px;
}
.board-name:hover { background: var(--panel-2); }
.board-name:focus { outline: 2px solid var(--accent); background: var(--panel-2); }

.badge {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 20px;
  background: var(--panel-2);
  color: var(--muted);
  white-space: nowrap;
}
.badge.online { background: rgba(18, 184, 134, .14); color: #12b886; }
.badge.local { background: var(--accent-soft); color: var(--accent); }
.badge.readonly { background: rgba(240, 140, 0, .16); color: #d9822b; }

.btn-ghost {
  height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  margin-left: 4px;
}
.btn-ghost:hover { background: var(--panel-2); }
.peer-chip.me.btn-ghost, button.peer-chip { border: 2px solid var(--panel); padding: 0; width: 30px; }

.select {
  width: 100%;
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
  color: var(--text);
  font: 14px var(--font);
}
.share-link .select { width: auto; flex: 0 0 auto; }

.sub.error { color: var(--danger); min-height: 18px; margin: -6px 0 10px; }

.members { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; }
.member {
  display: flex; align-items: center; gap: 10px;
  padding: 8px; border-radius: 10px; background: var(--panel-2);
}
.member-info { flex: 1; min-width: 0; }
.member-name { font-size: 13px; font-weight: 600; }
.member-mail { font-size: 11px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; }
.member .del { border: 0; background: transparent; cursor: pointer; color: var(--muted); padding: 4px; }
.member .del:hover { color: var(--danger); }

.btn-primary {
  height: 34px;
  padding: 0 14px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 13px;
  cursor: pointer;
}
.btn-primary:hover { filter: brightness(1.07); }

.peers { display: flex; align-items: center; gap: -6px; }
.peer-chip {
  width: 30px; height: 30px;
  border-radius: 50%;
  display: grid; place-items: center;
  color: #fff;
  font-size: 12px; font-weight: 700;
  border: 2px solid var(--panel);
  margin-left: -8px;
  cursor: pointer;
}
.peer-chip.me { cursor: default; }
.peer-chip.following { outline: 2px solid var(--accent); }

/* --------------------------------- тулбар --------------------------------- */

#toolbar {
  position: absolute;
  left: 12px; top: 50%;
  transform: translateY(-50%);
  display: flex; flex-direction: column;
  gap: 2px;
  padding: 6px;
  background: var(--panel);
  border-radius: 14px;
  box-shadow: var(--shadow);
  z-index: 20;
}
.tool { width: 40px; height: 40px; position: relative; }
.tool.active { background: var(--accent-soft); color: var(--accent); }
.tool.has-menu::after {
  content: '';
  position: absolute; right: 3px; bottom: 3px;
  border: 3px solid transparent;
  border-right-color: var(--muted);
  border-bottom-color: var(--muted);
}
.tool-sep { height: 1px; background: var(--line); margin: 4px 6px; }

/* ------------------------------ панель свойств ------------------------------ */

#panel {
  position: absolute;
  right: 12px; top: 72px;
  width: 236px;
  max-height: calc(100% - 160px);
  overflow-y: auto;
  padding: 12px;
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  z-index: 20;
  font-size: 13px;
}
#panel[hidden] { display: none; }
.p-group { padding: 8px 0; border-bottom: 1px solid var(--line); }
.p-group:last-child { border-bottom: 0; }
.p-label { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin-bottom: 8px; font-weight: 600; }
.swatches { display: flex; flex-wrap: wrap; gap: 6px; }
.sw {
  width: 24px; height: 24px;
  border-radius: 6px;
  border: 1px solid var(--line);
  cursor: pointer;
  padding: 0;
  background-clip: padding-box;
}
.sw.active { box-shadow: 0 0 0 2px var(--panel), 0 0 0 4px var(--accent); }
.sw.none {
  background-image: linear-gradient(45deg, transparent 44%, var(--danger) 44%, var(--danger) 56%, transparent 56%);
  background-color: var(--panel);
}
.row { display: flex; align-items: center; gap: 6px; }
.row + .row { margin-top: 6px; }
.seg { display: flex; background: var(--panel-2); border-radius: 8px; padding: 2px; gap: 2px; flex: 1; }
.seg button {
  flex: 1; height: 28px;
  border: 0; background: transparent;
  border-radius: 6px; cursor: pointer;
  font-size: 12px; font-weight: 600;
  display: grid; place-items: center;
}
.seg button.active { background: var(--panel); color: var(--accent); box-shadow: 0 1px 2px rgba(0,0,0,.1); }
.seg button svg { width: 16px; height: 16px; }
input[type='range'] { flex: 1; accent-color: var(--accent); }
.p-btn {
  height: 30px; padding: 0 10px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 8px; cursor: pointer;
  font-size: 12px; font-weight: 600;
  display: inline-flex; align-items: center; gap: 6px;
}
.p-btn:hover { background: var(--panel-2); }
.p-btn.danger { color: var(--danger); border-color: rgba(229,72,77,.35); }
.p-btn svg { width: 15px; height: 15px; }
.icon-row { display: flex; gap: 4px; flex-wrap: wrap; }
.icon-row .p-btn.icon { width: 32px; padding: 0; justify-content: center; }
.icon-row .p-btn:not(.icon) { flex: 1 1 auto; justify-content: center; white-space: nowrap; }
.p-btn.active { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.val { min-width: 34px; text-align: right; color: var(--muted); font-variant-numeric: tabular-nums; }

/* --------------------------------- зум/карта -------------------------------- */

#zoombar {
  position: absolute;
  left: 12px; bottom: 12px;
  display: flex; align-items: center; gap: 2px;
  padding: 4px;
  background: var(--panel);
  border-radius: 10px;
  box-shadow: var(--shadow);
  z-index: 20;
}
.z-val {
  min-width: 58px; height: 32px;
  border: 0; background: transparent;
  font-size: 12px; font-weight: 600;
  cursor: pointer; border-radius: 6px;
  font-variant-numeric: tabular-nums;
}
.z-val:hover { background: var(--panel-2); }
.z-sep { width: 1px; height: 20px; background: var(--line); margin: 0 3px; }

#minimap {
  position: absolute;
  right: 12px; bottom: 12px;
  width: 210px; height: 140px;
  background: var(--panel);
  border-radius: 10px;
  box-shadow: var(--shadow);
  z-index: 19;
  cursor: pointer;
  touch-action: none;
}
#minimap.hidden { display: none; }

/* ---------------------------------- меню ---------------------------------- */

.menu {
  position: absolute;
  z-index: 60;
  min-width: 190px;
  padding: 6px;
  background: var(--panel);
  border-radius: 10px;
  box-shadow: var(--shadow);
  font-size: 13px;
}
.menu[hidden] { display: none; }
.menu-item {
  display: flex; align-items: center; gap: 10px;
  width: 100%;
  padding: 7px 10px;
  border: 0; background: transparent;
  border-radius: 7px;
  cursor: pointer;
  text-align: left;
  font-size: 13px;
}
.menu-item:hover { background: var(--panel-2); }
.menu-item .k { margin-left: auto; color: var(--muted); font-size: 11px; }
.menu-item.danger { color: var(--danger); }
.menu-sep { height: 1px; background: var(--line); margin: 5px 4px; }
.menu.grid { display: flex; flex-wrap: wrap; gap: 4px; min-width: 0; width: 156px; }
.menu.grid .m-tile {
  width: 40px; height: 40px;
  display: grid; place-items: center;
  border: 0; background: transparent;
  border-radius: 8px; cursor: pointer;
}
.menu.grid .m-tile:hover { background: var(--panel-2); }
.menu.grid .m-tile.active { background: var(--accent-soft); color: var(--accent); }

/* --------------------------------- модалки --------------------------------- */

#modal-root {
  position: absolute; inset: 0;
  background: rgba(15, 18, 28, .45);
  z-index: 80;
  display: grid; place-items: center;
  padding: 20px;
}
#modal-root[hidden] { display: none; }
.modal {
  width: min(720px, 100%);
  max-height: 80vh;
  overflow: auto;
  background: var(--panel);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 22px;
}
.modal h2 { margin: 0 0 4px; font-size: 19px; }
.modal p.sub { margin: 0 0 18px; color: var(--muted); font-size: 13px; }
.modal-close { position: absolute; }
.board-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.board-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
  cursor: pointer;
  background: var(--panel-2);
}
.board-card:hover { border-color: var(--accent); }
.board-card.current { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.board-card .thumb {
  height: 96px; border-radius: 8px; background: var(--panel);
  margin-bottom: 8px; overflow: hidden;
  display: grid; place-items: center;
}
.board-card .thumb img { max-width: 100%; max-height: 100%; }
.board-card .name { font-weight: 600; font-size: 13px; margin-bottom: 2px; }
.board-card .meta { color: var(--muted); font-size: 11px; display: flex; justify-content: space-between; align-items: center; }
.board-card .del { border: 0; background: transparent; cursor: pointer; color: var(--muted); padding: 2px; }
.board-card .del:hover { color: var(--danger); }
.keys { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 26px; }
.keys div { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; padding: 3px 0; }
.keys kbd {
  font: 600 11px/1.6 var(--font);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 5px;
  padding: 1px 6px;
  color: var(--muted);
  white-space: nowrap;
}
.field { display: block; margin-bottom: 12px; }
.field span { display: block; font-size: 12px; color: var(--muted); margin-bottom: 5px; }
.field input {
  width: 100%; height: 36px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-2);
  color: var(--text);
  font: 14px var(--font);
}
.share-link { display: flex; gap: 8px; }
.share-link input { font-family: ui-monospace, Menlo, monospace; font-size: 12px; }

/* ---------------------------------- прочее --------------------------------- */

.text-editor {
  position: absolute;
  margin: 0;
  border: 0;
  outline: 2px solid var(--accent);
  background: transparent;
  resize: none;
  overflow: hidden;
  pointer-events: auto;
  z-index: 30;
  white-space: pre-wrap;
  word-break: break-word;
  caret-color: var(--accent);
}
.text-editor::selection { background: rgba(66, 98, 255, .25); }

#toast {
  position: absolute;
  bottom: 24px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; gap: 8px;
  align-items: center;
  z-index: 90;
  pointer-events: none;
}
.toast-item {
  background: #23262d;
  color: #fff;
  padding: 9px 16px;
  border-radius: 10px;
  font-size: 13px;
  box-shadow: var(--shadow);
  animation: toast-in .18s ease;
}
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } }

@media (max-width: 720px) {
  #panel { width: 190px; top: 68px; }
  #minimap { display: none; }
  .board-name { width: 120px; }
  #btn-share { display: none; }
}