/* ============================ Токены ============================ */
:root {
  --bg-deep:    #0f1016;
  --bg-panel:   #14151c;
  --bg-raised:  #1b1d27;
  --bg-hover:   #232636;
  --bg-active:  #2b2e40;
  --border:     #2a2d3c;
  --border-soft:#21232f;

  --accent:      #7c6cf0;
  --accent-hover:#8f80f5;
  --accent-soft: rgba(124,108,240,.16);
  --accent-line: rgba(124,108,240,.45);

  --text:       #e7e8ef;
  --text-muted: #9a9cb0;
  --text-faint: #6b6d80;

  --danger:     #f0746c;
  --danger-soft:rgba(240,116,108,.15);
  --ok:         #3fb6a8;

  --canvas:     #ffffff;

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 14px;

  --rail-w: 44px;
  --panel-w: 252px;

  --shadow-1: 0 1px 2px rgba(0,0,0,.3);
  --shadow-2: 0 8px 30px rgba(0,0,0,.45);
  --shadow-pop: 0 10px 40px rgba(0,0,0,.55);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  font-family: var(--font);
  background: var(--bg-deep);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body { overflow: hidden; }

.ic { width: 20px; height: 20px; display: block; }

button { font-family: inherit; }

/* Модалки скрыты так, что display не перебивает hidden (требование ТЗ). */
.modal[hidden] { display: none !important; }
[hidden] { display: none !important; }

/* ============================ Кнопки ============================ */
.btn {
  border: 1px solid transparent;
  border-radius: var(--r-md);
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  color: var(--text);
  background: var(--bg-raised);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background .15s, border-color .15s, opacity .15s, transform .05s;
}
.btn:active { transform: translateY(1px); }
.btn--block { width: 100%; }
.btn--primary { background: var(--accent); color: #fff; }
.btn--primary:hover { background: var(--accent-hover); }
.btn--ghost { background: transparent; border-color: var(--border); color: var(--text-muted); }
.btn--ghost:hover { background: var(--bg-hover); color: var(--text); }
.btn--danger { background: var(--danger); color: #fff; }
.btn--danger:hover { filter: brightness(1.08); }
.btn--danger-ghost { background: transparent; border-color: transparent; color: var(--danger); }
.btn--danger-ghost:hover { background: var(--danger-soft); }
.btn[disabled] { opacity: .45; cursor: not-allowed; }

/* состояние загрузки на кнопке входа */
.btn__spinner {
  width: 16px; height: 16px; display: none;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
.btn.is-loading { pointer-events: none; }
.btn.is-loading .btn__label { opacity: .65; }
.btn.is-loading .btn__spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

.icon-btn {
  background: transparent; border: none; color: var(--text-muted);
  width: 32px; height: 32px; border-radius: var(--r-sm);
  display: inline-flex; align-items: center; justify-content: center; cursor: pointer;
  transition: background .15s, color .15s;
}
.icon-btn:hover { background: var(--bg-hover); color: var(--text); }

/* ============================ Вход ============================ */
.login {
  position: fixed; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 18px;
  background:
    radial-gradient(900px 500px at 50% -10%, rgba(124,108,240,.14), transparent 60%),
    var(--bg-deep);
}
.login__card {
  width: 340px; max-width: calc(100vw - 40px);
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 30px 26px 26px;
  box-shadow: var(--shadow-2);
}
.login__logo { display: flex; align-items: center; gap: 10px; }
.login__wordmark { font-size: 22px; font-weight: 700; letter-spacing: -.3px; }
.login__tag { color: var(--text-muted); font-size: 13.5px; margin: 12px 0 20px; line-height: 1.5; }
.login__field { margin-bottom: 12px; }
.login__field input {
  width: 100%; padding: 12px 14px; font-size: 15px;
  background: var(--bg-deep); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--r-md);
  outline: none; transition: border-color .15s, box-shadow .15s;
}
.login__field input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.login__error {
  margin: 12px 0 0; padding: 9px 12px;
  background: var(--danger-soft); color: var(--danger);
  border-radius: var(--r-sm); font-size: 13px;
}
.login__foot { color: var(--text-faint); font-size: 12px; }

/* ============================ Каркас приложения ============================ */
.app { display: flex; height: 100%; }

/* ----------------------------- Меню ----------------------------- */
.sidebar {
  display: flex; height: 100%;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
  flex: 0 0 auto;
}
.sidebar__rail {
  width: var(--rail-w); flex: 0 0 var(--rail-w);
  border-right: 1px solid var(--border-soft);
  display: flex; flex-direction: column; align-items: center;
  padding-top: 12px;
}
.rail-btn {
  width: 30px; height: 30px; border-radius: var(--r-sm);
  border: none; background: transparent; color: var(--text-muted);
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background .15s, color .15s;
}
.rail-btn:hover { background: var(--bg-hover); color: var(--text); }
.rail-btn .ic { transition: transform .2s; }

.sidebar__panel {
  width: var(--panel-w); flex: 0 0 var(--panel-w);
  display: flex; flex-direction: column;
  overflow: hidden;
}

/* свёрнутое состояние: остаётся только рейл со стрелкой */
.sidebar.is-collapsed .sidebar__panel { display: none; }
.sidebar.is-collapsed .rail-btn .ic { transform: rotate(180deg); }

.sidebar__head {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 14px 12px;
}
.sidebar__title { font-weight: 700; font-size: 15px; }
.sidebar__group {
  margin-left: auto; font-size: 11px; color: var(--text-faint);
  background: var(--bg-raised); padding: 3px 8px; border-radius: 20px;
  max-width: 90px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

/* панель из 4 кнопок */
.toolbar {
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px;
  padding: 0 12px 12px; border-bottom: 1px solid var(--border-soft);
}
.tbtn {
  display: flex; align-items: center; gap: 7px;
  padding: 9px 10px; font-size: 12.5px; font-weight: 600;
  border: 1px solid var(--border); border-radius: var(--r-sm);
  background: var(--bg-raised); color: var(--text-muted); cursor: pointer;
  transition: background .15s, color .15s, border-color .15s, opacity .15s;
}
.tbtn .ic { width: 17px; height: 17px; }
.tbtn:hover:not([disabled]) { background: var(--bg-hover); color: var(--text); }
.tbtn--accent { background: var(--accent); border-color: transparent; color: #fff; }
.tbtn--accent:hover:not([disabled]) { background: var(--accent-hover); color: #fff; }
.tbtn[disabled] { opacity: .4; cursor: not-allowed; }

.sidebar__scroll { flex: 1 1 auto; overflow-y: auto; padding: 10px 8px; }

.tree__status {
  margin: 10px 8px; padding: 10px 12px; font-size: 12.5px; line-height: 1.5;
  color: var(--text-muted); background: var(--bg-raised);
  border: 1px solid var(--border); border-radius: var(--r-sm);
}
.tree__status.is-error { color: var(--danger); background: var(--danger-soft); border-color: transparent; }
.tree__status .retry { color: var(--accent); cursor: pointer; text-decoration: underline; }

.sidebar__foot {
  border-top: 1px solid var(--border-soft);
  padding: 8px 12px; display: flex; flex-direction: column; align-items: stretch; gap: 8px;
}
.foot-row { display: flex; align-items: center; gap: 8px; }
.ghost-btn {
  display: inline-flex; align-items: center; gap: 6px;
  background: transparent; border: 1px dashed var(--border); color: var(--text-muted);
  padding: 7px 10px; border-radius: var(--r-sm); font-size: 12.5px; cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.ghost-btn:hover { background: var(--bg-hover); color: var(--text); border-color: var(--accent-line); }
.ghost-btn .ic { width: 15px; height: 15px; }
.me-name { margin-left: auto; font-size: 11.5px; color: var(--text-faint); }

/* Корзина */
.trash-section { display: flex; flex-direction: column; }
.trash-toggle {
  display: flex; align-items: center; gap: 7px; width: 100%;
  background: transparent; border: none; color: var(--text-muted);
  padding: 6px 4px; border-radius: var(--r-sm); font-size: 12.5px; cursor: pointer;
}
.trash-toggle:hover { background: var(--bg-hover); color: var(--text); }
.trash-toggle .ic { width: 15px; height: 15px; }
.trash-toggle .trash-chev { margin-left: auto; width: 13px; height: 13px; transition: transform .15s; }
.trash-toggle.is-open .trash-chev { transform: rotate(90deg); }
.trash-count {
  min-width: 16px; height: 16px; padding: 0 5px; border-radius: 8px;
  background: var(--accent); color: #fff; font-size: 10.5px; line-height: 16px; text-align: center;
}
.trash-count:empty { display: none; }
.trash-list { max-height: 190px; overflow-y: auto; margin-top: 4px; display: flex; flex-direction: column; gap: 3px; }
.trash-item {
  display: flex; align-items: center; gap: 6px; padding: 5px 7px;
  background: var(--bg-hover); border-radius: var(--r-sm); font-size: 12px; color: var(--text-muted);
}
.trash-item__icon { width: 14px; height: 14px; flex: none; opacity: .8; }
.trash-item__name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.trash-item__meta { font-size: 10.5px; color: var(--text-faint); flex: none; }
.trash-item__btn {
  background: transparent; border: none; cursor: pointer; color: var(--text-faint);
  padding: 2px 4px; border-radius: 4px; font-size: 13px; line-height: 1;
}
.trash-item__btn:hover { background: var(--bg); color: var(--text); }
.trash-item__btn.is-danger:hover { color: #f0746c; }
.trash-empty { padding: 8px 6px; font-size: 11.5px; color: var(--text-faint); text-align: center; }

/* Прогресс экспорта/импорта */
.progress { height: 8px; background: var(--bg-hover); border-radius: 6px; overflow: hidden; margin: 6px 0 10px; }
.progress__bar { height: 100%; width: 0%; background: var(--accent); border-radius: 6px; transition: width .2s ease; }
.progress__bar.is-error { background: #f0746c; }
.progress__status { font-size: 12.5px; color: var(--text-muted); min-height: 16px; margin: 0; }

/* Панель поворота выделения */
.rot-toolbar {
  position: absolute; z-index: 30; display: flex; gap: 2px;
  background: var(--panel, #1b1d27); border: 1px solid var(--border, #2a2c38);
  border-radius: 8px; padding: 3px; box-shadow: 0 4px 14px rgba(0,0,0,.35);
  transform: translate(-50%, -100%);
}
.rot-btn {
  background: transparent; border: none; color: var(--text, #e7e8ef);
  font-size: 12px; padding: 4px 8px; border-radius: 5px; cursor: pointer; white-space: nowrap;
  user-select: none;
}
.rot-btn:hover { background: var(--bg-hover, #262835); color: #fff; }
.rot-btn--fine { padding: 4px 7px; font-size: 15px; line-height: 1; color: var(--accent, #7c6cf0); }

/* ----------------------------- Дерево ----------------------------- */
.tree__section { margin-bottom: 6px; }
.section-head {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 8px; font-size: 11px; font-weight: 700; letter-spacing: .4px;
  text-transform: uppercase; color: var(--text-faint);
}
.folder {
  border: 1px solid var(--border-soft); border-radius: var(--r-md);
  margin: 6px 2px; overflow: hidden; background: rgba(255,255,255,.012);
}
.folder__head {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 8px 8px 6px; cursor: pointer; user-select: none;
}
.folder__head:hover { background: var(--bg-hover); }
.folder__chevron { color: var(--text-faint); display: flex; transition: transform .15s; }
.folder__chevron .ic { width: 16px; height: 16px; transform: rotate(-90deg); }
.folder.is-open .folder__chevron .ic { transform: rotate(0deg); }
.folder__icon { color: var(--accent); display: flex; }
.folder__icon .ic { width: 17px; height: 17px; }
.folder__name { font-size: 13px; font-weight: 600; flex: 1 1 auto; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.folder__count { font-size: 11px; color: var(--text-faint); }
.folder__menu { opacity: 0; }
.folder__head:hover .folder__menu { opacity: 1; }
.folder__body { display: none; padding: 2px 6px 6px; }
.folder.is-open .folder__body { display: block; }
.folder__empty { font-size: 12px; color: var(--text-faint); padding: 6px 8px; }

.board-row {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 8px; border-radius: var(--r-sm); cursor: pointer;
  transition: background .12s;
}
.board-row:hover { background: var(--bg-hover); }
.board-row.is-open { background: var(--accent-soft); }
.board-row.is-checked { background: rgba(124,108,240,.10); }
.board-row__check {
  width: 16px; height: 16px; flex: 0 0 16px; border-radius: 4px;
  border: 1.5px solid var(--border); background: var(--bg-deep);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
  color: transparent; transition: background .12s, border-color .12s;
}
.board-row__check .ic { width: 12px; height: 12px; }
.board-row__check.is-on { background: var(--accent); border-color: var(--accent); color: #fff; }
.board-row__icon { color: var(--text-faint); display: flex; }
.board-row__icon .ic { width: 16px; height: 16px; }
.board-row.is-open .board-row__icon { color: var(--accent); }
.board-row__name { flex: 1 1 auto; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.board-row__menu { opacity: 0; }
.board-row:hover .board-row__menu { opacity: 1; }
.board-row__active { display: inline-flex; align-items: center; flex: none; margin: 0 2px; }
.mini-avatar {
  width: 16px; height: 16px; border-radius: 50%; color: #fff; font-size: 9px; font-weight: 600;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1.5px solid var(--panel, #14151c); margin-left: -5px;
}
.mini-avatar:first-child { margin-left: 0; }
.mini-avatar--more { background: #4a4c5a !important; font-size: 8px; }

/* Баннер уведомления на холсте */
.board-banner {
  position: absolute; top: 54px; left: 50%; transform: translateX(-50%); z-index: 35;
  display: flex; align-items: center; gap: 10px;
  background: #6b3838; color: #ffe7e7; border: 1px solid #8a4a4a;
  padding: 8px 12px; border-radius: 8px; font-size: 12.5px; box-shadow: 0 6px 18px rgba(0,0,0,.35);
}
.board-banner__btn {
  background: #f0746c; color: #fff; border: none; border-radius: 5px;
  padding: 4px 10px; font-size: 12px; cursor: pointer;
}
.board-banner__btn:hover { background: #f28a83; }
.board-banner__x { background: transparent; border: none; color: #ffd7d7; cursor: pointer; font-size: 13px; padding: 2px 4px; }

/* Подсветка сайдбара при перетаскивании файла для импорта */
.sidebar.drop-active { outline: 2px dashed var(--accent, #7c6cf0); outline-offset: -6px; background: rgba(124,108,240,.06); }

/* Всплывашка с полным текстом фигуры */
.hover-tip {
  position: absolute; z-index: 36; max-width: 260px; pointer-events: none;
  background: #1b1d27; color: #e7e8ef; border: 1px solid #2f3140;
  padding: 6px 9px; border-radius: 7px; font-size: 12.5px; line-height: 1.35;
  box-shadow: 0 6px 18px rgba(0,0,0,.4); white-space: pre-wrap; word-break: break-word;
}

/* Панель версий (снапшоты) */
.snap-drawer {
  position: absolute; top: 46px; right: 10px; bottom: 10px; width: 280px; z-index: 34;
  background: #16171f; border: 1px solid #2a2c38; border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,.4); display: flex; flex-direction: column; padding: 12px;
}
.snap-drawer__head { display: flex; align-items: center; justify-content: space-between; font-size: 13.5px; color: var(--text); margin-bottom: 10px; }
.snap-drawer__x { background: transparent; border: none; color: var(--text-faint); cursor: pointer; font-size: 14px; }
.snap-drawer__x:hover { color: var(--text); }
.snap-save { width: 100%; }
.snap-hint { font-size: 11px; color: var(--text-faint); margin: 10px 2px; line-height: 1.4; }
.snap-del { color: #f0746c; }
.snap-add { color: #46c39b; }
.snap-list { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 5px; }
.snap-item {
  display: flex; align-items: center; gap: 6px; padding: 7px 9px; cursor: default;
  background: var(--bg-hover); border-radius: 7px; border: 1px solid transparent;
}
.snap-item:hover { border-color: var(--accent-line, #3a3560); }
.snap-item__main { flex: 1; min-width: 0; }
.snap-item__label { font-size: 12.5px; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.snap-item__time { font-size: 10.5px; color: var(--text-faint); }
.snap-item__btn { background: transparent; border: none; cursor: pointer; color: var(--text-faint); padding: 3px 5px; border-radius: 5px; font-size: 11.5px; }
.snap-item__btn:hover { background: var(--bg); color: var(--text); }
.snap-item__btn.is-primary { color: #b9b0f5; }
.snap-empty { padding: 14px 6px; text-align: center; color: var(--text-faint); font-size: 12px; }
.modal__actions--col { flex-direction: column; align-items: stretch; gap: 7px; }
.modal__actions--col .btn { width: 100%; }
.snap-servertime { font-size: 10.5px; color: var(--text-faint); text-align: right; margin: 0 2px 8px; }
.snap-item__btn.is-rename { color: var(--text-muted); }
.icon-btn:disabled { opacity: .32; cursor: default; }
.icon-btn:disabled:hover { background: transparent; }

/* Панель подтверждения вставки рисунка */
.paste-toolbar {
  position: absolute; z-index: 33; display: flex; gap: 8px;
  transform: translate(-50%, -100%);
}
.paste-btn {
  width: 38px; height: 38px; border-radius: 8px; border: none; cursor: pointer;
  font-size: 20px; line-height: 1; color: #fff; box-shadow: 0 4px 14px rgba(0,0,0,.35);
}
.paste-btn--ok { background: #46c39b; }
.paste-btn--ok:hover { background: #52d4aa; }
.paste-btn--no { background: #f0746c; }
.paste-btn--no:hover { background: #f4867f; }

/* Панель выделенного объекта в мольберте */
.easel__object { display: flex; flex-direction: column; gap: 8px; }
.obj-btn {
  background: var(--bg-hover); border: 1px solid var(--border); color: var(--text-muted);
  padding: 5px 8px; border-radius: 6px; font-size: 11.5px; cursor: pointer; white-space: nowrap;
}
.obj-btn:hover { color: var(--text); border-color: var(--accent-line, #3a3560); }
.obj-btn.is-active { background: var(--accent); color: #fff; border-color: var(--accent); }
.obj-btn--z { width: 30px; padding: 5px 0; text-align: center; font-size: 14px; line-height: 1; }
.easel__object .easel__row { flex-wrap: wrap; gap: 5px; }
.align-grid { display: grid; grid-template-columns: repeat(3, 18px); grid-template-rows: repeat(3, 18px); gap: 3px; }
.align-grid button {
  width: 18px; height: 18px; padding: 0; border-radius: 4px; cursor: pointer;
  background: var(--bg-hover); border: 1px solid var(--border); position: relative;
}
.align-grid button::after {
  content: ''; position: absolute; width: 7px; height: 2px; border-radius: 1px;
  background: var(--text-faint); top: 50%; left: 50%; transform: translate(-50%, -50%);
}
.align-grid button:hover { border-color: var(--accent-line, #3a3560); }
.align-grid button.is-active { background: var(--accent); border-color: var(--accent); }
.align-grid button.is-active::after { background: #fff; }
.mini-btn {
  background: transparent; border: none; color: var(--text-faint);
  width: 24px; height: 24px; border-radius: 5px; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
}
.mini-btn:hover { background: var(--bg-active); color: var(--text); }
.mini-btn .ic { width: 16px; height: 16px; }

/* контекстное меню */
.ctx {
  position: fixed; z-index: 60; min-width: 160px;
  background: var(--bg-raised); border: 1px solid var(--border);
  border-radius: var(--r-md); box-shadow: var(--shadow-pop); padding: 5px;
}
.ctx__item {
  display: block; width: 100%; text-align: left; background: transparent;
  border: none; color: var(--text); padding: 8px 10px; border-radius: var(--r-sm);
  font-size: 13px; cursor: pointer;
}
.ctx__item:hover { background: var(--bg-hover); }
.ctx__item.is-danger { color: var(--danger); }
.ctx__item.is-danger:hover { background: var(--danger-soft); }

/* ----------------------------- Холст ----------------------------- */
.canvas-area { position: relative; flex: 1 1 auto; background: var(--canvas); overflow: hidden; }
.stage { position: absolute; inset: 0; }
.cursor-layer { position: absolute; inset: 0; pointer-events: none; z-index: 30; overflow: hidden; }

.topbar {
  position: absolute; top: 0; left: 0; right: 0; z-index: 20; height: 50px;
  display: flex; align-items: center; gap: 10px; padding: 0 12px;
  background: var(--bg-panel); border-bottom: 1px solid var(--border);
  color: var(--text);
}
.topbar__title { font-size: 14px; font-weight: 600; max-width: 40vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar__spacer { flex: 1 1 auto; }
.presence { display: flex; align-items: center; }
.avatar {
  width: 28px; height: 28px; border-radius: 50%; margin-left: -6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700; color: #fff;
  border: 2px solid var(--bg-panel); box-shadow: var(--shadow-1);
}
.avatar:first-child { margin-left: 0; }
.sync { display: flex; align-items: center; justify-content: center; width: 30px; height: 30px; color: var(--text-faint); }
.sync .ic { width: 18px; height: 18px; }
.sync--ok { color: var(--ok); }
.sync--saving { color: var(--accent); }
.sync--saving .ic { animation: spin 1.1s linear infinite; }
.sync--off { color: var(--danger); }

.board-empty {
  position: absolute; inset: 0; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 6px; text-align: center;
  color: #b9b9c9; pointer-events: none; padding: 20px;
}
.board-empty__logo { margin-bottom: 8px; opacity: .9; }
.board-empty h2 { margin: 0; font-size: 19px; color: #6f7081; font-weight: 700; }
.board-empty p { margin: 0; font-size: 13.5px; color: #9a9aaa; max-width: 320px; line-height: 1.5; }

/* ----------------------------- Мольберт ----------------------------- */
.easel {
  position: absolute; right: 18px; bottom: 18px; z-index: 25; width: 224px;
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: var(--r-lg); box-shadow: var(--shadow-pop);
  padding: 12px;
}
.easel__tools { display: grid; grid-template-columns: repeat(5, 1fr); gap: 5px; }
.tool {
  aspect-ratio: 1; border: 1px solid transparent; border-radius: var(--r-sm);
  background: var(--bg-raised); color: var(--text-muted); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .12s, color .12s, border-color .12s;
}
.tool .ic { width: 19px; height: 19px; }
.tool:hover { background: var(--bg-hover); color: var(--text); }
.tool.is-active { background: var(--accent-soft); color: var(--accent); border-color: var(--accent-line); }
.easel__sep { height: 1px; background: var(--border-soft); margin: 11px 0; }
.easel__row { display: flex; align-items: center; gap: 8px; margin-bottom: 9px; }
.easel__row--emoji { align-items: flex-start; }
.easel__label { font-size: 11px; color: var(--text-faint); width: 48px; flex: 0 0 48px; padding-top: 2px; }
.easel__val { font-size: 12px; color: var(--text-muted); width: 18px; text-align: right; }

.swatches { display: flex; flex-wrap: wrap; gap: 5px; flex: 1 1 auto; }
.swatch {
  width: 18px; height: 18px; border-radius: 50%; cursor: pointer;
  border: 2px solid transparent; box-shadow: 0 0 0 1px rgba(255,255,255,.12) inset;
}
.swatch.is-active { border-color: #fff; box-shadow: 0 0 0 2px var(--accent); }
.custom-color { position: relative; width: 22px; height: 22px; border-radius: 50%; overflow: hidden; border: 1px solid var(--border); cursor: pointer; }
.custom-color input { position: absolute; inset: -4px; width: 30px; height: 30px; border: none; padding: 0; background: none; cursor: pointer; }

.slider { flex: 1 1 auto; accent-color: var(--accent); }

.emoji-set { display: flex; flex-wrap: wrap; gap: 4px; flex: 1 1 auto; }
.emoji-set--wrap { gap: 6px; }
.emoji-btn {
  width: 26px; height: 26px; border-radius: var(--r-sm); border: 1px solid transparent;
  background: var(--bg-raised); cursor: pointer; font-size: 15px; line-height: 1;
  display: flex; align-items: center; justify-content: center;
}
.emoji-btn:hover { background: var(--bg-hover); }
.emoji-btn.is-active { border-color: var(--accent); background: var(--accent-soft); }

.snap { display: flex; align-items: center; gap: 9px; cursor: pointer; user-select: none; }
.snap input { display: none; }
.snap__track { width: 34px; height: 19px; border-radius: 20px; background: var(--bg-active); position: relative; transition: background .15s; flex: 0 0 34px; }
.snap__thumb { position: absolute; top: 2px; left: 2px; width: 15px; height: 15px; border-radius: 50%; background: var(--text-muted); transition: transform .15s, background .15s; }
.snap input:checked + .snap__track { background: var(--accent); }
.snap input:checked + .snap__track .snap__thumb { transform: translateX(15px); background: #fff; }
.snap__label { font-size: 12.5px; color: var(--text-muted); }

/* чужой курсор */
.remote-cursor { position: absolute; transform: translate(-2px,-2px); will-change: transform; transition: top .08s linear, left .08s linear; }
.remote-cursor__label { margin-left: 14px; margin-top: -2px; font-size: 11px; font-weight: 600; color: #fff; padding: 2px 7px; border-radius: 10px; white-space: nowrap; display: inline-block; box-shadow: var(--shadow-1); }

/* всплывающий комментарий (DOM-оверлей) */
.comment-pop {
  position: absolute; z-index: 28; max-width: 220px;
  background: var(--bg-raised); color: var(--text); border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 8px 11px; font-size: 13px; line-height: 1.45;
  box-shadow: var(--shadow-pop);
}

/* ============================ Модалки ============================ */
.modal { position: fixed; inset: 0; z-index: 80; display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal__backdrop { position: absolute; inset: 0; background: rgba(8,8,12,.72); }
.modal__card {
  position: relative; width: 380px; max-width: 100%;
  background: var(--bg-panel); border: 1px solid var(--border);
  border-radius: var(--r-lg); box-shadow: var(--shadow-2); padding: 22px;
  animation: pop .14s ease-out;
}
.modal__card--sm { width: 320px; }
@keyframes pop { from { transform: translateY(6px) scale(.99); opacity: 0; } to { transform: none; opacity: 1; } }
.modal__title { margin: 0 0 16px; font-size: 16px; font-weight: 700; }
.modal__text { margin: 0 0 18px; color: var(--text-muted); font-size: 13.5px; line-height: 1.5; }
.modal__actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 20px; }
.modal__actions--split { justify-content: space-between; align-items: center; }

.field { display: block; margin-bottom: 14px; }
.field__label { display: block; font-size: 12px; color: var(--text-muted); margin-bottom: 6px; }
.field input[type=text], .field input[type=password], .field select, .field textarea {
  width: 100%; padding: 10px 12px; font-size: 14px; font-family: inherit;
  background: var(--bg-deep); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--r-md); outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.seg { display: flex; gap: 6px; }
.seg__opt { flex: 1; position: relative; }
.seg__opt input { position: absolute; opacity: 0; pointer-events: none; }
.seg__opt span {
  display: block; text-align: center; padding: 9px; font-size: 13px;
  border: 1px solid var(--border); border-radius: var(--r-md);
  color: var(--text-muted); cursor: pointer; transition: all .12s;
}
.seg__opt input:checked + span { border-color: var(--accent); background: var(--accent-soft); color: var(--text); }

.check { display: flex; align-items: center; gap: 9px; font-size: 13.5px; color: var(--text-muted); cursor: pointer; }
.check input { width: 16px; height: 16px; accent-color: var(--accent); }

.move-list { display: flex; flex-direction: column; gap: 4px; max-height: 280px; overflow-y: auto; }
.move-opt {
  display: flex; align-items: center; gap: 9px; padding: 10px 12px;
  border: 1px solid var(--border); border-radius: var(--r-md); cursor: pointer;
  font-size: 13.5px; transition: all .12s;
}
.move-opt:hover { background: var(--bg-hover); }
.move-opt.is-selected { border-color: var(--accent); background: var(--accent-soft); }
.move-opt .ic { width: 17px; height: 17px; color: var(--accent); }

/* ============================ Тост ============================ */
.toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  z-index: 100; background: var(--bg-raised); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--r-md);
  padding: 11px 16px; font-size: 13.5px; box-shadow: var(--shadow-pop);
  animation: pop .14s ease-out;
}
.toast.is-error { border-color: transparent; background: var(--danger); color: #fff; }

/* ============================ Прочее ============================ */
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: #2c2f40; border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: #3a3e54; }
::-webkit-scrollbar-track { background: transparent; }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

/* Легенда объектов */
.legend-toggle {
  position: absolute; top: 54px; right: 12px; z-index: 32;
  background: #16171f; border: 1px solid #2a2c38; color: var(--text-muted);
  padding: 6px 10px; border-radius: 8px; font-size: 12px; cursor: pointer;
  box-shadow: 0 4px 14px rgba(0,0,0,.3);
}
.legend-toggle:hover { color: var(--text); border-color: var(--accent-line, #3a3560); }
.legend-panel {
  position: absolute; top: 54px; right: 12px; z-index: 32; width: 300px;
  bottom: 340px; /* не наезжаем на мольберт (палитру) в правом нижнем углу */
  max-height: none;
  background: #16171f; border: 1px solid #2a2c38; border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,.4); display: flex; flex-direction: column; padding: 10px;
}
.legend-panel__head { display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--text); margin-bottom: 8px; }
.legend-panel__x { background: transparent; border: none; color: var(--text-faint); cursor: pointer; font-size: 13px; }
.legend-panel__x:hover { color: var(--text); }
.legend-list { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 4px; }
.legend-item { display: flex; align-items: center; gap: 7px; padding: 4px 5px; border-radius: 7px; background: var(--bg-hover); }
.legend-item.is-orphan { opacity: .55; }
.legend-swatch { width: 26px; height: 26px; flex: none; background: #fff; border-radius: 5px; display: flex; align-items: center; justify-content: center; }
.legend-swatch__svg { width: 22px; height: 22px; }
.legend-item__comment {
  flex: 1; min-width: 0; background: transparent; border: none; color: var(--text);
  font-size: 12px; padding: 4px 5px; border-radius: 5px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.legend-item__comment:focus { background: var(--bg); outline: 1px solid var(--accent-line, #3a3560); }
.legend-item__comment::placeholder { color: var(--text-faint); }
.legend-item__mv { background: transparent; border: none; color: var(--text-faint); cursor: pointer; font-size: 11px; padding: 2px 3px; border-radius: 4px; }
.legend-item__mv:hover { background: var(--bg); color: var(--text); }

/* Палитра перекраски в легенде */
.legend-swatch.is-clickable { cursor: pointer; }
.legend-swatch.is-clickable:hover { outline: 2px solid var(--accent-line, #3a3560); }
.legend-colors { display: flex; flex-wrap: wrap; gap: 5px; padding: 7px 8px; background: var(--bg); border-radius: 7px; margin: 2px 0 4px; }
.legend-colors__sw { width: 20px; height: 20px; border-radius: 5px; border: 1px solid #3a3c4a; cursor: pointer; padding: 0; }
.legend-colors__sw:hover { outline: 2px solid var(--accent); }
.legend-colors__custom { width: 20px; height: 20px; padding: 0; border: 1px solid #3a3c4a; border-radius: 5px; background: transparent; cursor: pointer; }