styles.css

:root {
  --bg: #0b0e14;
  --panel: #101624;
  --panel2: #0e1422;
  --text: #e6edf3;
  --muted: #9aa4b2;
  --border: rgba(255,255,255,0.08);
  --btn: rgba(255,255,255,0.08);
  --btnHover: rgba(255,255,255,0.14);
  --danger: rgba(255, 80, 80, 0.18);
  --dangerHover: rgba(255, 80, 80, 0.28);
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  overflow: hidden;
}

#app {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.content {
  flex: 1;
  height: 100%;
  display: grid;
  grid-template-columns: 1fr 380px;
  min-height: 0;
}

.viewport {
  position: relative;
  min-width: 0;
  min-height: 0;
  height: 100%;
}

#c {
  width: 100%;
  height: 100%;
  display: block;
}

.panel {
  border-left: 1px solid var(--border);
  background: var(--panel);
  padding: 12px;
  overflow: auto;
  min-height: 0;
}

.toolbar {
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.02));
  border-radius: 12px;
  padding: 12px;
  margin-bottom: 10px;
}

.title { font-weight: 700; letter-spacing: 0.2px; }
.hint { margin-top: 6px; color: var(--muted); font-size: 12px; line-height: 1.4; }

.panel-section {
  background: var(--panel2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  margin-bottom: 10px;
}

.panel-title { font-weight: 700; margin-bottom: 8px; font-size: 13px; color: var(--text); }
.row { display: flex; gap: 8px; margin: 8px 0; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--btn);
  color: var(--text);
  cursor: pointer;
  user-select: none;
  font-size: 14px;
}
.btn:hover { background: var(--btnHover); }
.btn.small { padding: 8px 10px; font-size: 13px; }
.btn.danger { background: var(--danger); }
.btn.danger:hover { background: var(--dangerHover); }

.btn.full {
  width: 100%;
  margin-top: 10px;
}

.btn input[type="file"] { display: none; }

.checkbox { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; }
.info { color: var(--muted); font-size: 13px; line-height: 1.4; white-space: pre-line; }

.list { display: flex; flex-direction: column; gap: 6px; }
.item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  background: rgba(255,255,255,0.04);
}
.item:hover { background: rgba(255,255,255,0.07); }
.item.active { outline: 2px solid rgba(90, 160, 255, 0.6); }
.item .name { font-size: 13px; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 240px; }
.item .tag { font-size: 11px; color: var(--muted); }

/* 后端日志 */
.log {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(0,0,0,0.25);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
  max-height: 180px;
  overflow: auto;
  white-space: pre-wrap;
}

#cameraParams pre {
  background: #1f2937;
  padding: 10px;
  border-radius: 8px;
  color: #e6edf3;
  font-size: 13px;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Popup styles */
.popup {
  display: none; /* Hidden by default */
  position: fixed;
  top: 50%; /* Center vertically */
  left: 50%; /* Center horizontally */
  width: 60vw; /* 60% of the viewport width */
  height: 60vw; /* Keep the height the same as the width to ensure the popup is square */
  transform: translate(-50%, -50%); /* Adjust to truly center the popup */
  background-color: rgba(0, 0, 0, 0.5); /* Semi-transparent background */
  justify-content: center; /* Center the content horizontally */
  align-items: center; /* Center the content vertically */
  z-index: 9999; /* Ensure it’s on top of other content */
  border-radius: 10px;
}

/* Popup content box */
.popup-content {
  background: #101624;
  padding: 20px;
  border-radius: 10px;
  width: 70%; /* Take up all available space */
  height: 60%; /* Take up all available space */
  position: relative; /* Positioning for the close button */
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
}


#segCanvas {
    cursor: crosshair;     
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
    width: 512px;
    height: 512px;
}

#btnPos, #btnNeg {
    transition: background-color 0.2s;
}

/* Close button (top-right corner) */
#closePopup {
  position: absolute;
  top: 10px;
  right: 10px;
  background-color: transparent;
  color: white;
  font-size: 20px;
  border: none;
  cursor: pointer;
  font-weight: bold;
}

/* Buttons in the popup */
button {
  margin: 10px;
}

/* Optional: Add hover effect for the close button */
#closePopup:hover {
  color: grey;
}