:root {
  --bg: #0b0c10;
  --panel: #12141b;
  --text: #e6e6e6;
  --muted: #a8acb9;
  --border: rgba(255, 255, 255, 0.12);
  --accent: #6aa9ff;
  --paper-width-mm: 210mm;
  --paper-height-mm: 297mm;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
}
header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: linear-gradient(to bottom, rgba(18, 20, 27, 0.98), rgba(18, 20, 27, 0.86));
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(8px);
}
.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 12px 14px;
  flex-wrap: wrap;
}
.toolbar .label {
  color: var(--muted);
  font-size: 12px;
}
.toolbar .group {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}
.toolbar label {
  color: var(--muted);
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  user-select: none;
}
.toolbar input[type="text"] {
  width: min(680px, 100%);
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  outline: none;
}
.toolbar input.route-text {
  width: min(260px, 100%);
}
.route-input-wrap {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.route-suffix {
  color: var(--muted);
  font-size: 12px;
  user-select: none;
  white-space: nowrap;
}
.toolbar .hint {
  color: var(--muted);
  font-size: 11px;
}
.toolbar input[type="text"]:focus {
  border-color: rgba(106, 169, 255, 0.55);
  box-shadow: 0 0 0 3px rgba(106, 169, 255, 0.12);
}
.toolbar button {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  cursor: pointer;
}
.toolbar button:hover {
  border-color: rgba(255, 255, 255, 0.22);
}
.toolbar .status {
  color: var(--muted);
  font-size: 12px;
  margin-left: auto;
}
main {
  padding: 16px;
}
.canvas-wrap {
  border: 1px solid var(--border);
  background: #0f1117;
  border-radius: 12px;
  padding: 12px;
  overflow: auto;
}
.paper-stage {
  position: relative;
  display: block;
  width: var(--paper-width-mm);
  height: var(--paper-height-mm);
  line-height: 0; /* inline-blockの下余白を消す */
  background: #fff; /* canvasを透明化するので台紙はここで白 */
}
.overlay-layer {
  position: absolute;
  inset: 0;
  pointer-events: none; /* 印刷物レンダラのため操作は不要 */
  z-index: 3; /* 印刷時に確実に見えるようcanvasの上 */
}
.overlay-layer .map-embed {
  position: absolute;
  overflow: hidden;
  background: #fff;
  border: 1px solid #000; /* 地図枠（canvasの罫線を地図が覆うため） */
  box-sizing: border-box;
}
.overlay-layer .map-embed .tile-layer {
  position: absolute;
  inset: 0;
}
.overlay-layer .map-embed img.tile {
  position: absolute;
  width: 256px;
  height: 256px;
  display: block;
}
.overlay-layer .map-embed svg.svg-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}
canvas {
  display: block;
  background: transparent;
  width: 100%;
  height: 100%;
  max-width: none;
  margin: 0;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  position: relative;
  z-index: 2;
  pointer-events: none; /* 地図を操作できるようにする */
}
.help {
  color: var(--muted);
  font-size: 12px;
  margin-top: 10px;
  line-height: 1.6;
}
.help code {
  color: var(--accent);
}

/* 印刷用（A4に収める） */
@page {
  size: A4;
  margin: 0;
}
@media print {
  body {
    background: #fff !important;
    color: #000 !important;
  }
  header,
  .help {
    display: none !important;
  }
  main {
    padding: 0 !important;
  }
  .canvas-wrap {
    border: none !important;
    background: transparent !important;
    border-radius: 0 !important;
    padding: 0 !important;
    overflow: visible !important;
  }
  canvas {
    width: 100% !important;
    height: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    box-shadow: none !important;
    page-break-inside: avoid;
    break-inside: avoid;
  }
}