@font-face {
  font-family: "MiSans";
  src: url("./MiSans-Demibold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  color-scheme: dark;
  --bg: #151619;
  --panel: rgba(29, 31, 36, 0.92);
  --line: rgba(255, 255, 255, 0.10);
  --muted: #959aa5;
  --text: #f4f5f7;
  --accent: #9cf55f;
  --accent-soft: rgba(156, 245, 95, 0.18);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

* { box-sizing: border-box; }

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, "Segoe UI", "Microsoft YaHei", sans-serif;
  user-select: none;
}

button {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 7px 11px;
  color: var(--text);
  background: rgba(255, 255, 255, 0.055);
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}

button:hover { background: rgba(255, 255, 255, 0.11); }
button.active { color: #111; background: var(--accent); border-color: var(--accent); }

#tabbar {
  position: fixed;
  z-index: 1100;
  top: 0;
  left: 0;
  right: 0;
  height: 46px;
  display: flex;
  align-items: stretch;
  padding-right: 138px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: #202226;
  -webkit-app-region: drag;
}

.tab-app-mark {
  width: 46px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  color: var(--accent);
  border-right: 1px solid var(--line);
  font-size: 19px;
  font-weight: 700;
}

.tab-app-mark img {
  display: block;
  width: 27px;
  height: 27px;
  object-fit: contain;
}

#tabs {
  min-width: 0;
  display: flex;
  width: max-content;
  max-width: calc(100% - 88px);
  flex: 0 1 auto;
  overflow-x: auto;
  scrollbar-width: none;
}

#tabs::-webkit-scrollbar { display: none; }

.board-tab {
  position: relative;
  min-width: 150px;
  max-width: 240px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 8px 0 12px;
  border-right: 1px solid var(--line);
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  -webkit-app-region: no-drag;
}

.board-tab.active {
  color: var(--text);
  background: rgba(255, 255, 255, .09);
  box-shadow: inset 0 -2px var(--accent);
}

.board-tab.dragging { opacity: .45; }
.tab-icon { color: var(--accent); font-size: 13px; }
.tab-label { min-width: 0; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; }
.tab-dirty { width: 6px; height: 6px; flex: 0 0 auto; border-radius: 50%; background: var(--accent); }
.tab-dirty.clean { visibility: hidden; }
.tab-close {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  border: 0;
  border-radius: 5px;
  padding: 0;
  color: var(--muted);
  background: transparent;
  font-size: 16px;
}
.tab-close:hover { color: var(--text); background: rgba(255,255,255,.11); }

#new-tab {
  width: 42px;
  flex: 0 0 auto;
  border: 0;
  border-left: 1px solid var(--line);
  border-radius: 0;
  padding: 0;
  color: var(--muted);
  background: transparent;
  font-size: 18px;
  -webkit-app-region: no-drag;
}

#viewport {
  position: fixed;
  inset: 0;
  outline: none;
  overflow: hidden;
  cursor: default;
}

#viewport.panning { cursor: grabbing; }

#grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(circle, rgba(255,255,255,.14) 1px, transparent 1.25px);
  background-size: 32px 32px;
}

#world {
  position: absolute;
  left: 0;
  top: 0;
  width: 1px;
  height: 1px;
  transform-origin: 0 0;
  will-change: transform;
}

#snap-guides {
  position: fixed;
  z-index: 900;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

#selection-outline {
  display: none;
  position: fixed;
  z-index: 850;
  border: 1px dashed var(--accent);
  background: rgba(156, 245, 95, .035);
  pointer-events: none;
}

.group-resize-handle {
  position: absolute;
  width: 24px;
  height: 24px;
  pointer-events: auto;
}

.group-resize-handle::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 10px;
  border: 2px solid #111;
  border-radius: 2px;
  transform: translate(-50%, -50%);
  background: var(--accent);
}

.group-resize-handle.nw { left: -12px; top: -12px; cursor: nwse-resize; }
.group-resize-handle.n { left: 50%; top: -12px; transform: translateX(-50%); cursor: ns-resize; }
.group-resize-handle.ne { right: -12px; top: -12px; cursor: nesw-resize; }
.group-resize-handle.e { right: -12px; top: 50%; transform: translateY(-50%); cursor: ew-resize; }
.group-resize-handle.se { right: -12px; bottom: -12px; cursor: nwse-resize; }
.group-resize-handle.s { left: 50%; bottom: -12px; transform: translateX(-50%); cursor: ns-resize; }
.group-resize-handle.sw { left: -12px; bottom: -12px; cursor: nesw-resize; }
.group-resize-handle.w { left: -12px; top: 50%; transform: translateY(-50%); cursor: ew-resize; }

#selection-marquee {
  display: none;
  position: fixed;
  z-index: 950;
  border: 1px solid var(--accent);
  background: rgba(156, 245, 95, .10);
  pointer-events: none;
}

.snap-guide {
  position: absolute;
  background: var(--accent);
  box-shadow: 0 0 0 1px rgba(156, 245, 95, .14);
}

.snap-guide.vertical {
  top: 0;
  bottom: 0;
  width: 1px;
}

.snap-guide.horizontal {
  left: 0;
  right: 0;
  height: 1px;
}

.spacing-measure {
  position: absolute;
  color: var(--accent);
  background: var(--accent);
  pointer-events: none;
}

.spacing-measure::before,
.spacing-measure::after {
  content: '';
  position: absolute;
  background: var(--accent);
}

.spacing-measure.horizontal {
  height: 1px;
}

.spacing-measure.horizontal::before,
.spacing-measure.horizontal::after {
  top: -3px;
  width: 1px;
  height: 7px;
}

.spacing-measure.horizontal::before { left: 0; }
.spacing-measure.horizontal::after { right: 0; }

.spacing-measure.vertical {
  width: 1px;
}

.spacing-measure.vertical::before,
.spacing-measure.vertical::after {
  left: -3px;
  width: 7px;
  height: 1px;
}

.spacing-measure.vertical::before { top: 0; }
.spacing-measure.vertical::after { bottom: 0; }

.spacing-label {
  position: absolute;
  left: 50%;
  top: 50%;
  padding: 2px 4px;
  border: 1px solid rgba(156, 245, 95, .45);
  border-radius: 4px;
  transform: translate(-50%, -50%);
  color: #10150d;
  background: var(--accent);
  font-size: 9px;
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}

.media-item {
  position: absolute;
  border-radius: 4px;
  transform-origin: 0 0;
  box-shadow: 0 12px 34px rgba(0,0,0,.28);
  cursor: grab;
  contain: layout style paint;
}

.media-item.dragging { cursor: grabbing; }
.media-item.selected { outline: 2px solid var(--accent); outline-offset: 3px; }
.media-item.audio-active { box-shadow: 0 0 0 2px var(--accent), 0 12px 34px rgba(0,0,0,.28); }
.media-item.missing { background: #43232b; border: 1px dashed #ff748d; }
.media-item.text-item { box-shadow: none; background: transparent; }
.media-item.text-item.editing { outline: 2px solid var(--accent); outline-offset: 3px; cursor: text; }

.text-content {
  width: 100%;
  height: 100%;
  overflow: hidden;
  padding: 10px 12px;
  color: #f4f5f7;
  font-family: "MiSans", "Microsoft YaHei", sans-serif;
  font-weight: 600;
  line-height: 1.35;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  user-select: none;
  cursor: inherit;
}

.text-item.editing .text-content {
  overflow: auto;
  outline: none;
  user-select: text;
  cursor: text;
}

.text-item .type-badge { display: none; }

.media-item img,
.media-item video {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  object-fit: fill;
  background: #090a0b;
  pointer-events: none;
}

.media-label {
  position: absolute;
  left: 0;
  bottom: calc(100% + 7px);
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 3px 6px;
  border-radius: 5px;
  background: rgba(10, 11, 13, .8);
  color: #d7dae0;
  font-size: 11px;
  opacity: 0;
  transition: opacity .12s;
}

.media-item:hover .media-label,
.media-item.selected .media-label { opacity: 1; }

.type-badge {
  display: none !important;
  position: absolute;
  top: 7px;
  left: 7px;
  padding: 3px 6px;
  border-radius: 5px;
  background: rgba(7,8,9,.72);
  font-size: 10px;
  letter-spacing: .04em;
  pointer-events: none;
}

.media-item.audio-active .type-badge {
  color: #10150d;
  background: var(--accent);
}

.resize-handle {
  display: none;
  position: absolute;
  width: 24px;
  height: 24px;
  border: 0;
  background: transparent;
}

.selected .resize-handle { display: block; }
body.multi-select .media-item.selected .resize-handle { display: none; }
.resize-handle::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 10px;
  border: 2px solid #111;
  border-radius: 2px;
  transform: translate(-50%, -50%);
  background: var(--accent);
  pointer-events: none;
}
.resize-handle.nw { left: -12px; top: -12px; cursor: nwse-resize; }
.resize-handle.n { left: 50%; top: -12px; transform: translateX(-50%); cursor: ns-resize; }
.resize-handle.ne { right: -12px; top: -12px; cursor: nesw-resize; }
.resize-handle.e { right: -12px; top: 50%; transform: translateY(-50%); cursor: ew-resize; }
.resize-handle.se { right: -12px; bottom: -12px; cursor: nwse-resize; }
.resize-handle.s { left: 50%; bottom: -12px; transform: translateX(-50%); cursor: ns-resize; }
.resize-handle.sw { left: -12px; bottom: -12px; cursor: nesw-resize; }
.resize-handle.w { left: -12px; top: 50%; transform: translateY(-50%); cursor: ew-resize; }

#toolbar {
  position: fixed;
  z-index: 1000;
  top: 54px;
  left: 12px;
  right: 12px;
  height: 48px;
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 6px 8px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  box-shadow: 0 10px 30px rgba(0,0,0,.24);
  backdrop-filter: blur(18px);
}

.brand { display: flex; align-items: center; gap: 8px; padding: 0 8px; font-size: 13px; font-weight: 650; }
.brand-mark { color: var(--accent); font-size: 23px; line-height: 1; }
.toolbar-group { display: flex; align-items: center; gap: 6px; }
.toolbar-right { margin-left: auto; }
.share-control { position: relative; }
.share-menu {
  position: absolute;
  z-index: 1300;
  top: calc(100% + 9px);
  left: 0;
  width: 112px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #24272c;
  box-shadow: 0 14px 36px rgba(0,0,0,.38);
}
.share-menu[hidden] { display: none; }
.share-menu button { display: flex; width: 100%; align-items: flex-start; padding: 9px 10px; border: 0; text-align: left; }
.share-menu button strong { font-size: 12px; }
.share-menu button:hover strong { color: var(--accent); }
.web-context-menu {
  position: fixed;
  z-index: 5000;
  width: 146px;
  padding: 5px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: #24272c;
  box-shadow: 0 14px 36px rgba(0,0,0,.4);
}
.web-context-menu button { display: block; width: 100%; border: 0; text-align: left; }
.web-context-menu button:hover { color: var(--accent); }
#zoom-label { width: 48px; color: var(--muted); text-align: center; font-size: 12px; cursor: text; }
#zoom-label[contenteditable] { padding: 4px 2px; border: 1px solid var(--accent); border-radius: 5px; outline: none; color: var(--text); background: #17191c; }

#statusbar {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 12px;
  right: 12px;
  bottom: 9px;
  justify-content: space-between;
  color: var(--muted);
  font-size: 11px;
  pointer-events: none;
}

#drop-hint {
  display: none;
  position: fixed;
  z-index: 2000;
  inset: 112px 18px 24px;
  place-items: center;
  border: 2px dashed var(--accent);
  border-radius: 16px;
  color: var(--accent);
  background: rgba(15, 20, 13, .82);
  font-size: 22px;
  pointer-events: none;
}

body.drag-over #drop-hint { display: grid; }

#toast {
  position: fixed;
  z-index: 3000;
  left: 50%;
  bottom: 20px;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  transform: translate(-50%, 12px);
  color: var(--text);
  background: rgba(24, 26, 30, .95);
  opacity: 0;
  transition: .18s ease;
  pointer-events: none;
  font-size: 12px;
}

#toast.show { opacity: 1; transform: translate(-50%, 0); }