:root {
  color-scheme: dark;
  font-family: "Segoe UI", Arial, sans-serif;
  background: #151515;
  color: #f4f4f4;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

.app {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  min-height: 100vh;
}

.panel {
  background: #202020;
  border-right: 1px solid #373737;
  padding: 18px;
  overflow-y: auto;
}

h1 {
  margin: 0;
  font-size: 26px;
}

.hint {
  margin: 6px 0 18px;
  color: #bfbfbf;
  line-height: 1.35;
}

.file-field,
.settings label {
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
  color: #dddddd;
  font-size: 14px;
}

input[type="file"],
input[type="number"],
select {
  width: 100%;
  border: 1px solid #4a4a4a;
  border-radius: 6px;
  padding: 9px;
  background: #111111;
  color: #ffffff;
}

.check {
  grid-template-columns: 20px 1fr;
  align-items: center;
}

.grid-setting {
  display: none;
}

body.grid-mode .grid-setting {
  display: grid;
}

body.grid-mode .auto-setting {
  display: none;
}

.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 18px 0;
}

button {
  border: 1px solid #505050;
  border-radius: 6px;
  min-height: 40px;
  padding: 9px 10px;
  background: #2d6cdf;
  color: #ffffff;
  font-weight: 650;
  cursor: pointer;
}

button:hover {
  background: #3f7df0;
}

button.active {
  background: #00a2ff;
  border-color: #66c7ff;
}

#deleteBtn,
#redetectBtn {
  background: #3a3a3a;
}

#deleteBtn:hover,
#redetectBtn:hover {
  background: #4a4a4a;
}

#status {
  min-height: 40px;
  color: #d3d3d3;
  line-height: 1.4;
}

#cutList {
  margin: 0;
  padding-left: 24px;
  line-height: 1.6;
  color: #dedede;
}

#cutList li {
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 4px;
}

#cutList li.selected {
  background: #1f5fbf;
}

.player {
  display: grid;
  gap: 10px;
  margin: 14px 0;
}

#animationPreview {
  width: 160px;
  height: 160px;
  border: 1px solid #4a4a4a;
  border-radius: 6px;
  background: #111111;
}

.player-controls {
  display: grid;
  grid-template-columns: 1fr 90px;
  gap: 8px;
  align-items: end;
}

.player-controls label {
  display: grid;
  gap: 4px;
  font-size: 13px;
  color: #dddddd;
}

.workspace {
  overflow: auto;
  padding: 18px;
  background: #151515;
}

#preview {
  display: block;
  background: #242424;
  cursor: crosshair;
}

@media (max-width: 920px) {
  .app {
    grid-template-columns: 1fr;
  }

  .panel {
    border-right: 0;
    border-bottom: 1px solid #373737;
  }
}