*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:        #0f0f17;
  --surface:   #1a1a2e;
  --surface-2: #22223b;
  --border:    #2d2d4e;
  --text:      #e8e8f0;
  --text-2:    #9999bb;
  --text-3:    #6666aa;
  --accent:    #7c6aed;
  --accent-h:  #9b8cf0;
  --danger:    #e74c3c;
  --danger-h:  #ff6b5b;
  --radius:    10px;
  --shadow:    0 4px 24px rgba(0,0,0,0.4);
  --trans:     0.15s ease;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, sans-serif;
  font-size: 14px;
  overflow: hidden;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
  font: inherit;
  transition: background var(--trans), color var(--trans), opacity var(--trans);
}

input[type="text"], input[type="color"] {
  font: inherit;
  color: var(--text);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
  outline: none;
  transition: border-color var(--trans);
}
input[type="text"]:focus { border-color: var(--accent); }
input[type="color"] {
  padding: 2px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  overflow: hidden;
  cursor: pointer;
}
input[type="range"] { cursor: pointer; accent-color: var(--accent); }

/* ── Rooms Screen ─────────────────────────────────────────────────────────── */
#rooms-screen {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

#rooms-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 40px;
  height: 60px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}

#rooms-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-h);
  letter-spacing: -0.3px;
}

#rooms-user-info {
  font-size: 13px;
  color: var(--text-2);
}

#rooms-body {
  flex: 1;
  overflow-y: auto;
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  gap: 36px;
  max-width: 860px;
  width: 100%;
  margin: 0 auto;
}

#rooms-create-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 36px;
}
#rooms-create-card h2 { font-size: 18px; margin-bottom: 8px; font-weight: 700; }
#rooms-create-card p  { color: var(--text-2); margin-bottom: 22px; font-size: 14px; }

#rooms-create-row {
  display: flex;
  gap: 10px;
}
#rooms-create-row #new-room-name { flex: 1; }
#rooms-create-row #new-room-pin  { width: 120px; flex-shrink: 0; }
#rooms-create-row button {
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  padding: 8px 20px;
  font-weight: 600;
}
#rooms-create-row button:hover { background: var(--accent-h); }

#rooms-list-wrap h2 { font-size: 13px; margin-bottom: 14px; color: var(--text-3); font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }
#rooms-list { display: flex; flex-direction: column; gap: 8px; }

.room-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 20px 12px 12px;
  display: flex;
  align-items: center;
  gap: 16px;
  justify-content: space-between;
  transition: border-color var(--trans), background var(--trans);
  cursor: pointer;
}
.room-card:hover { border-color: var(--accent); background: var(--surface-2); }

.room-thumb-wrap {
  flex-shrink: 0;
  width: 112px;
  height: 63px;
  border-radius: 6px;
  overflow: hidden;
  background: var(--bg);
  border: 1px solid var(--border);
}
.room-thumb { width: 100%; height: 100%; object-fit: cover; display: block; }
.room-thumb-empty {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-3);
  opacity: 0.4;
}

.room-card-left { display: flex; flex-direction: column; gap: 3px; flex: 1; min-width: 0; }
.room-card-name { font-size: 15px; font-weight: 600; }
.room-card-meta { font-size: 12px; color: var(--text-3); }
.room-card-meta span + span::before { content: ' · '; }

.room-card-right { display: flex; align-items: center; gap: 8px; }
.room-join-btn {
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
}
.room-join-btn:hover { background: var(--accent-h); }
.room-delete-btn {
  color: var(--text-3);
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 18px;
  line-height: 1;
}
.room-delete-btn:hover { color: var(--danger); background: rgba(231,76,60,0.1); }

.rooms-empty { color: var(--text-3); font-size: 13px; padding: 20px 0; }

/* Active users badge */
.room-active-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #2ecc71;
  margin-right: 4px;
}

/* ── Board Screen ─────────────────────────────────────────────────────────── */
#board-screen {
  display: flex;
  flex-direction: column;
  height: 100vh;
}
#board-screen.hidden { display: none; }
#rooms-screen.hidden { display: none; }

#board-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
  height: 56px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

#back-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  color: var(--text-2);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 13px;
}
#back-btn:hover { background: var(--surface-2); color: var(--text); }

#room-title {
  font-weight: 700;
  font-size: 16px;
  flex: 1;
  letter-spacing: -0.2px;
}

#board-users {
  display: flex;
  align-items: center;
  gap: 6px;
}
.user-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  position: relative;
}
.user-avatar[title]:hover::after {
  content: attr(title);
  position: absolute;
  bottom: -24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 11px;
  white-space: nowrap;
  pointer-events: none;
  z-index: 10;
}

#board-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* ── Toolbar ─────────────────────────────────────────────────────────────── */
#toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  flex-wrap: wrap;
}

.tool-group {
  display: flex;
  align-items: center;
  gap: 5px;
}

.tool-divider {
  width: 1px;
  height: 28px;
  background: var(--border);
  margin: 0 4px;
}

.tool-label {
  font-size: 11px;
  color: var(--text-3);
  user-select: none;
}

.tool-btn {
  width: 38px; height: 38px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-2);
  background: transparent;
}
.tool-btn:hover { background: var(--surface-2); color: var(--text); }
.tool-btn.active { background: var(--accent); color: #fff; }

.action-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  border-radius: 7px;
  font-size: 12px;
  color: var(--text-2);
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.action-btn:hover { color: var(--text); border-color: var(--text-3); }
.action-btn.danger:hover { color: var(--danger-h); border-color: var(--danger); }

#swatches-wrap { display: flex; flex-direction: column; gap: 4px; }
#swatches, #custom-swatches {
  display: flex;
  gap: 5px;
  align-items: center;
}
.swatch, .custom-swatch {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 2px solid transparent;
  transition: transform var(--trans), border-color var(--trans);
}
.swatch:hover, .custom-swatch:hover { transform: scale(1.15); }
.swatch.active, .custom-swatch.active { border-color: var(--text); transform: scale(1.15); }
.custom-swatch.empty {
  background: var(--surface-2);
  border: 2px dashed var(--border);
  position: relative;
}
.custom-swatch.empty::after {
  content: '+';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--text-3);
  line-height: 1;
}

#size-slider { width: 80px; }
#size-val { font-size: 12px; color: var(--text-3); min-width: 18px; text-align: right; }

/* ── Canvas area ─────────────────────────────────────────────────────────── */
#canvas-wrap {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: #fafafa;
  cursor: crosshair;
}

#board-canvas {
  position: absolute;
  top: 0; left: 0;
  touch-action: none;
}

#cursors-layer {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}

.remote-cursor {
  position: absolute;
  pointer-events: none;
  transform: translate(-2px, -2px);
  transition: left 0.05s linear, top 0.05s linear;
}
.remote-cursor svg { display: block; }
.cursor-label {
  position: absolute;
  top: 18px; left: 10px;
  background: var(--color, #3498db);
  color: #fff;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
}

/* tool cursors */
#canvas-wrap.eraser-active { cursor: none; }
#canvas-wrap.text-active   { cursor: text; }
#canvas-wrap.select-active { cursor: default; }
#canvas-wrap.lasso-active  { cursor: crosshair; }

/* text input overlay */
.text-overlay {
  position: absolute;
  min-width: 4px;
  min-height: 1em;
  outline: none;
  border: none;
  background: transparent;
  font-family: 'Segoe UI', system-ui, sans-serif;
  font-weight: 400;
  white-space: pre;
  word-break: keep-all;
  cursor: text;
  padding: 0;
  z-index: 10;
  caret-color: currentColor;
}
.text-overlay::after {
  content: '';
  position: absolute;
  inset: -3px;
  border: 1.5px dashed rgba(124,106,237,0.5);
  border-radius: 2px;
  pointer-events: none;
}
#eraser-preview {
  position: absolute;
  border-radius: 50%;
  border: 2px solid #999;
  pointer-events: none;
  transform: translate(-50%, -50%);
  display: none;
}

/* ── Image overlay ───────────────────────────────────────────────────────── */
.image-overlay {
  position: absolute;
  cursor: grab;
  border: 2px dashed rgba(124,106,237,0.7);
  border-radius: 3px;
  user-select: none;
  z-index: 10;
}
.image-overlay:active { cursor: grabbing; }
.image-overlay img { width: 100%; height: 100%; display: block; pointer-events: none; }
.image-overlay-hint {
  position: absolute;
  bottom: -26px; left: 0;
  font-size: 11px; color: var(--text-3);
  white-space: nowrap; pointer-events: none;
}
.resize-handle {
  position: absolute;
  width: 9px; height: 9px;
  background: #fff;
  border: 1.5px solid rgba(124,106,237,0.9);
  border-radius: 2px;
  z-index: 12;
}
.resize-nw { top:-5px;  left:-5px;              cursor: nw-resize; }
.resize-n  { top:-5px;  left:calc(50% - 4px);   cursor: n-resize;  }
.resize-ne { top:-5px;  right:-5px;             cursor: ne-resize; }
.resize-e  { top:calc(50% - 4px); right:-5px;   cursor: e-resize;  }
.resize-se { bottom:-5px; right:-5px;           cursor: se-resize; }
.resize-s  { bottom:-5px; left:calc(50% - 4px); cursor: s-resize;  }
.resize-sw { bottom:-5px; left:-5px;            cursor: sw-resize; }
.resize-w  { top:calc(50% - 4px); left:-5px;    cursor: w-resize;  }

/* ── User menus ──────────────────────────────────────────────────────────── */
#rooms-user-wrap { position: relative; }
#rooms-user-info { font-size: 13px; color: var(--text-2); padding: 4px 8px; border-radius: 6px; }
#rooms-user-info:hover { background: var(--surface-2); color: var(--text); }

#rooms-user-dropdown {
  position: absolute; top: calc(100% + 6px); right: 0;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; box-shadow: var(--shadow);
  min-width: 150px; z-index: 100; overflow: hidden;
  display: none;
}
#rooms-user-dropdown:not(.hidden) { display: block; }
#rooms-user-dropdown a, #user-menu-dropdown a {
  display: block; padding: 10px 14px; font-size: 13px;
  color: var(--text-2); text-decoration: none;
}
#rooms-user-dropdown a:hover, #user-menu-dropdown a:hover { background: var(--surface-2); color: var(--text); }

.kb-dd-item {
  display: block; width: 100%; padding: 10px 14px; font-size: 13px;
  color: var(--text-2); background: transparent; border: none;
  text-align: left; cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.kb-dd-item:hover { background: var(--surface-2); color: var(--text); }
.kb-dd-sep { height: 1px; background: var(--border); margin: 4px 0; }

#board-header-right { display: flex; align-items: center; gap: 10px; }

#user-menu-wrap { position: relative; }
#user-menu-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 12px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: opacity var(--trans), box-shadow var(--trans);
  user-select: none;
}
#user-menu-avatar:hover { opacity: 0.85; box-shadow: 0 0 0 2px var(--accent-h); }

#user-menu-dropdown {
  position: absolute; top: calc(100% + 6px); right: 0;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; box-shadow: var(--shadow);
  min-width: 150px; z-index: 100; overflow: hidden;
  display: none;
}
#user-menu-dropdown:not(.hidden) { display: block; }

/* ── Confirm modal ───────────────────────────────────────────────────────── */
.room-lock { font-size: 12px; margin-right: 5px; opacity: 0.8; }

/* PIN prompt modal */
#pin-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
#pin-overlay.hidden { display: none; }
#pin-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 28px;
  width: 300px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
#pin-title { font-size: 15px; font-weight: 700; }
#pin-sub   { font-size: 13px; color: var(--text-2); }
#pin-box input { width: 100%; letter-spacing: 0.1em; }
#pin-error { font-size: 12px; color: var(--danger); }
#pin-error.hidden { display: none; }
#pin-btns { display: flex; justify-content: flex-end; gap: 8px; }
#pin-btns button {
  padding: 7px 18px; border-radius: 7px;
  font-size: 13px; font-weight: 600; border: 1px solid var(--border);
}
#pin-cancel-btn { background: var(--surface-2); color: var(--text-2); }
#pin-cancel-btn:hover { color: var(--text); border-color: var(--text-3); }
#pin-ok-btn { background: var(--accent); color: #fff; border-color: var(--accent); }
#pin-ok-btn:hover { background: var(--accent-h); border-color: var(--accent-h); }

#confirm-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
#confirm-overlay.hidden { display: none; }

#confirm-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px 28px;
  min-width: 280px;
  max-width: 380px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

#confirm-msg { font-size: 14px; color: var(--text); line-height: 1.5; }

#confirm-btns {
  display: flex; justify-content: flex-end; gap: 8px;
}
#confirm-btns button {
  padding: 7px 18px; border-radius: 7px;
  font-size: 13px; font-weight: 600; border: 1px solid var(--border);
}
#confirm-cancel-btn { background: var(--surface-2); color: var(--text-2); }
#confirm-cancel-btn:hover { color: var(--text); border-color: var(--text-3); }
#confirm-ok-btn.danger { background: var(--danger); color: #fff; border-color: var(--danger); }
#confirm-ok-btn.danger:hover { background: var(--danger-h); border-color: var(--danger-h); }

/* ── Ticket Modal ──────────────────────────────────────────────────────────── */
#ticket-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 1100;
}
#ticket-overlay.hidden { display: none; }

#ticket-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 480px;
  max-width: calc(100vw - 32px);
  max-height: calc(100vh - 48px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

#ticket-hdr {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--border);
}
#ticket-hdr-title { font-size: 15px; font-weight: 700; color: var(--text); }
#ticket-close-btn {
  background: none; border: none; padding: 4px; color: var(--text-2);
  border-radius: 5px; line-height: 0;
}
#ticket-close-btn:hover { background: var(--surface-2); color: var(--text); }

#ticket-box .ticket-field {
  padding: 12px 18px 0;
  display: flex; flex-direction: column; gap: 5px;
}
#ticket-box .ticket-field label {
  font-size: 12px; font-weight: 600; color: var(--text-2); text-transform: uppercase; letter-spacing: 0.04em;
}
#ticket-input-title, #ticket-input-desc {
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text); border-radius: 7px; padding: 8px 10px;
  font-size: 13px; font-family: inherit; resize: none; outline: none;
  transition: border-color var(--trans);
}
#ticket-input-title:focus, #ticket-input-desc:focus { border-color: var(--accent); }

#ticket-drop-zone {
  position: relative;
  border: 1.5px dashed var(--border);
  border-radius: 7px; padding: 14px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  color: var(--text-2); font-size: 13px; cursor: pointer;
  transition: border-color var(--trans), background var(--trans);
}
#ticket-drop-zone:hover, #ticket-drop-zone.drag-over {
  border-color: var(--accent); background: rgba(124,106,237,0.07);
  color: var(--text);
}
#ticket-drop-zone input[type="file"] {
  position: absolute; inset: 0; opacity: 0; cursor: pointer;
}
#ticket-drop-zone u { text-decoration: underline; }

#ticket-file-list {
  display: flex; flex-wrap: wrap; gap: 6px; padding: 0 18px 0;
  min-height: 0;
}
.ticket-file-chip {
  display: flex; align-items: center; gap: 5px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 5px; padding: 4px 8px; font-size: 12px; color: var(--text-2);
}
.ticket-file-chip button {
  background: none; border: none; padding: 0; color: var(--text-3);
  font-size: 13px; line-height: 1; cursor: pointer;
}
.ticket-file-chip button:hover { color: var(--danger); }

#ticket-error {
  margin: 8px 18px 0;
  background: rgba(231,76,60,0.12); border: 1px solid rgba(231,76,60,0.3);
  color: var(--danger-h); border-radius: 6px; padding: 7px 10px; font-size: 12px;
}
#ticket-error.hidden { display: none; }

#ticket-btns {
  display: flex; justify-content: flex-end; gap: 8px;
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  margin-top: 12px;
}
#ticket-btns button {
  padding: 7px 18px; border-radius: 7px;
  font-size: 13px; font-weight: 600; border: 1px solid var(--border);
}
#ticket-cancel-btn { background: var(--surface-2); color: var(--text-2); }
#ticket-cancel-btn:hover { color: var(--text); border-color: var(--text-3); }
#ticket-submit-btn { background: var(--accent); color: #fff; border-color: var(--accent); }
#ticket-submit-btn:hover { background: var(--accent-h); border-color: var(--accent-h); }
#ticket-submit-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.required-star { color: var(--danger); }

#snapshot-btn.hidden { display: none; }

/* ── Snapshots Modal ──────────────────────────────────────────────────────── */
#snapshots-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 1100;
}
#snapshots-overlay.hidden { display: none; }
#snapshots-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 460px;
  max-width: calc(100vw - 32px);
  max-height: calc(100vh - 48px);
  display: flex; flex-direction: column;
  overflow: hidden;
}
#snapshots-hdr {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 15px; font-weight: 700; flex-shrink: 0;
}
#snapshots-close-btn {
  background: none; border: none; padding: 4px;
  color: var(--text-2); border-radius: 5px; line-height: 0;
}
#snapshots-close-btn:hover { background: var(--surface-2); color: var(--text); }
#snapshots-save-row {
  display: flex; gap: 8px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
#snapshot-name-input { flex: 1; }
#snapshot-save-btn {
  background: var(--accent); color: #fff;
  border: none; border-radius: 7px;
  padding: 8px 16px; font-size: 13px; font-weight: 600;
  white-space: nowrap;
}
#snapshot-save-btn:hover { background: var(--accent-h); }
#snapshot-save-btn:disabled { opacity: 0.5; cursor: not-allowed; }
#snapshots-list-wrap {
  flex: 1; overflow-y: auto;
  padding: 12px 18px;
  display: flex; flex-direction: column; gap: 6px;
  min-height: 80px;
}
#snapshots-empty, .snapshots-error { color: var(--text-3); font-size: 13px; padding: 16px 0; text-align: center; }
#snapshots-empty.hidden { display: none; }
.snapshot-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.snapshot-item-info { flex: 1; min-width: 0; }
.snapshot-item-name { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.snapshot-item-meta { font-size: 11px; color: var(--text-3); margin-top: 2px; }
.snapshot-load-btn {
  background: var(--accent); color: #fff;
  border: none; border-radius: 6px;
  padding: 5px 12px; font-size: 12px; font-weight: 600; flex-shrink: 0;
}
.snapshot-load-btn:hover { background: var(--accent-h); }
.snapshot-overwrite-btn {
  background: var(--surface); color: var(--text-2);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 5px 12px; font-size: 12px; font-weight: 600; flex-shrink: 0;
}
.snapshot-overwrite-btn:hover { color: var(--text); border-color: var(--text-3); }
.snapshot-delete-btn {
  color: var(--text-3); padding: 5px 7px;
  border-radius: 6px; line-height: 0; flex-shrink: 0;
}
.snapshot-delete-btn:hover { color: var(--danger); background: rgba(231,76,60,0.1); }