.itri-page { padding-bottom: 40px; }
.itri-shell { max-width: 1180px; margin: 0 auto; }
.itri-hero { padding: 8px 4px 14px; }
.itri-eyebrow { margin: 0 0 4px; font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: #8a93a3; }
.itri-hero h1 { margin: 0 0 8px; font-size: 30px; line-height: 1.15; color: #1f2733; }
.itri-lead { margin: 0 0 12px; max-width: 820px; color: #5b6576; line-height: 1.55; }
.itri-badges { display: flex; gap: 8px; margin: 0; flex-wrap: wrap; }
.itri-badge { font-size: 12px; padding: 3px 10px; border-radius: 999px; background: #eef1f6; color: #4a5566; }
.itri-badge-free { background: #e7f7ec; color: #1f8f4d; }

.itri-warn { margin: 10px 0; padding: 12px 14px; border-radius: 10px; background: #fff3f3; color: #b0392f; border: 1px solid #f3cfca; }

.itri-toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 12px 0; }
.itri-spacer { flex: 1; }
.itri-btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 13px; padding: 8px 16px; border-radius: 8px; cursor: pointer;
  background: #eef1f6; color: #2c3744; border: 1px solid #dde2ea; transition: all .12s; user-select: none;
}
.itri-btn:hover:not(:disabled) { background: #e2e7ef; }
.itri-btn:disabled { opacity: .45; cursor: default; }
.itri-btn-primary { background: #34495e; color: #fff; border-color: #34495e; }
.itri-btn-primary:hover { background: #415a73; }
.itri-btn-go { background: #1f8f4d; color: #fff; border-color: #1f8f4d; }
.itri-btn-go:hover:not(:disabled) { background: #21a259; }

.itri-stage { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 760px) { .itri-stage { grid-template-columns: 1fr; } }
.itri-pane { margin: 0; }
.itri-pane figcaption { font-size: 13px; color: #5b6576; margin: 0 0 6px; display: flex; justify-content: space-between; align-items: center; }
.itri-stats { font-variant-numeric: tabular-nums; color: #8a93a3; font-size: 12px; }
.itri-canvas-frame {
  position: relative; background:
    linear-gradient(45deg,#f0f1f4 25%,transparent 25%),
    linear-gradient(-45deg,#f0f1f4 25%,transparent 25%),
    linear-gradient(45deg,transparent 75%,#f0f1f4 75%),
    linear-gradient(-45deg,transparent 75%,#f0f1f4 75%);
  background-size: 20px 20px; background-position: 0 0,0 10px,10px -10px,-10px 0;
  background-color: #fafbfc; border: 1px solid #e3e7ee; border-radius: 12px; overflow: hidden;
  min-height: 240px; display: flex; align-items: center; justify-content: center;
}
.itri-canvas-frame canvas { max-width: 100%; max-height: 560px; display: block; image-rendering: auto; }
.itri-drop {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  color: #9aa3b2; font-size: 14px; text-align: center; padding: 20px; pointer-events: none;
}
.itri-canvas-frame.dragover { border-color: #1f8f4d; background-color: #f1faf3; }

.itri-controls {
  margin-top: 16px; display: grid; grid-template-columns: repeat(auto-fill,minmax(220px,1fr)); gap: 12px 18px;
  background: #f7f9fc; border: 1px solid #e8ecf2; border-radius: 12px; padding: 16px;
}
.itri-field { display: flex; flex-direction: column; gap: 6px; }
.itri-field label { font-size: 12px; color: #4a5566; font-weight: 600; }
.itri-field select, .itri-field input[type=range] { width: 100%; }
.itri-field select {
  padding: 7px 8px; border-radius: 8px; border: 1px solid #d7dde6; background: #fff; color: #2c3744; font-size: 13px;
}
.itri-field span[id$="-v"] { color: #1f8f4d; font-weight: 700; }
.itri-colors { display: flex; gap: 8px; }
.itri-colors input[type=color] { width: 44px; height: 32px; padding: 2px; border: 1px solid #d7dde6; border-radius: 8px; background: #fff; cursor: pointer; }
.itri-check { justify-content: center; }
.itri-check label { display: flex; align-items: center; gap: 8px; font-weight: 500; cursor: pointer; }

.itri-video { margin-top: 16px; border: 1px solid #dbe6f5; background: #f3f8ff; border-radius: 12px; padding: 14px 16px; }
.itri-video-head { font-size: 13px; font-weight: 700; color: #34495e; margin-bottom: 10px; }
.itri-video-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px 18px; align-items: end; }
.itri-video-actions { flex-direction: row; gap: 8px; align-items: end; }
.itri-field input[type=number] { padding: 7px 8px; border-radius: 8px; border: 1px solid #d7dde6; background: #fff; color: #2c3744; font-size: 13px; width: 100%; }
.itri-vprogress { margin-top: 12px; height: 8px; border-radius: 999px; background: #e2e9f3; overflow: hidden; }
#itri-vbar { height: 100%; width: 0; background: #1f8f4d; transition: width .12s; }
#itri-vstat { display: inline-block; margin-top: 6px; font-size: 12px; color: #5b6576; font-variant-numeric: tabular-nums; }
.itri-video-note { margin: 8px 0 0; font-size: 12px; color: #7a8496; line-height: 1.5; max-width: 860px; }

.itri-about { margin-top: 16px; color: #5b6576; }
.itri-about summary { cursor: pointer; font-weight: 600; color: #34495e; }
.itri-about p { margin: 8px 0 0; line-height: 1.55; max-width: 900px; }