.nodiff-toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  opacity: 0;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border: 1px solid var(--green);
  border-radius: 12px;
  background: #0c1f18;
  box-shadow: 0 8px 32px rgba(0,0,0,.4);
  color: var(--text);
  font-size: 13px;
  z-index: 999;
  transition: opacity .3s, transform .3s;
  min-width: 320px;
  max-width: 90vw;
}
.nodiff-toast--visible { opacity: 1; transform: translateX(-50%) translateY(0); }
.nodiff-icon {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(70,214,154,.15);
  color: var(--green);
  font-size: 18px;
  flex-shrink: 0;
}
.nodiff-toast strong { display: block; margin-bottom: 2px; color: var(--green); }
.nodiff-toast p { margin: 0; color: var(--muted); font-size: 12px; }
.nodiff-close {
  margin-left: auto;
  padding: 4px 8px;
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 14px;
  flex-shrink: 0;
}
.nodiff-close:hover { color: var(--text); }

.cmp-shell {
  position: relative;
  z-index: 1;
  width: min(1400px, calc(100% - 48px));
  margin: 0 auto;
  padding: 48px 0 70px;
}

.cmp-hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 32px;
}
.cmp-hero h1 {
  margin: 0;
  font: 700 clamp(28px, 4vw, 48px)/1.06 "Space Grotesk", sans-serif;
  letter-spacing: -.035em;
}
.cmp-hero p:not(.eyebrow) {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.cmp-summary-badge {
  display: flex;
  gap: 18px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  font-size: 12px;
  color: var(--muted);
}
.cmp-summary-badge em { font-style: normal; color: var(--text); font-weight: 600; }
.cmp-summary-badge .diff-count em { color: #f4b942; }

.cmp-nav-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  transition: color .15s;
}
.cmp-nav-link:hover { color: var(--text); }

/* --- drop zones --- */

.cmp-drop-row {
  display: flex;
  gap: 16px;
  align-items: stretch;
  margin-bottom: 20px;
}

.cmp-dropzone {
  flex: 1;
  border: 2px dashed var(--line);
  border-radius: 14px;
  background: var(--panel-soft);
  cursor: pointer;
  transition: border-color .2s, background .2s;
}
.cmp-dropzone:hover, .cmp-dropzone.drag-over {
  border-color: var(--accent);
  background: rgba(79,127,255,.06);
}
.cmp-dropzone.loaded {
  border-style: solid;
  border-color: var(--green);
  background: rgba(70,214,154,.05);
}
.cmp-drop-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 36px 24px;
  pointer-events: none;
}
.cmp-dropzone input[type=file] { display: none; }
.cmp-drop-inner svg {
  width: 32px;
  fill: var(--muted);
  margin-bottom: 4px;
}
.cmp-dropzone.loaded svg { fill: var(--green); }
.cmp-drop-label {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
}
.cmp-dropzone.loaded .cmp-drop-label { color: var(--green); }
.cmp-drop-hint {
  margin: 0;
  font-size: 11px;
  color: var(--muted);
  opacity: .7;
  max-width: 200px;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cmp-vs {
  display: flex;
  align-items: center;
  font: 700 13px "Space Grotesk", sans-serif;
  color: var(--muted);
  letter-spacing: .1em;
}

/* --- action buttons --- */

.cmp-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.cmp-btn-primary {
  padding: 10px 24px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: opacity .15s;
}
.cmp-btn-primary:disabled { opacity: .4; cursor: default; }
.cmp-btn-primary:not(:disabled):hover { opacity: .85; }
.cmp-btn-secondary {
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: color .15s, border-color .15s;
}
.cmp-btn-secondary:disabled { opacity: .4; cursor: default; }
.cmp-btn-secondary:not(:disabled):hover { color: var(--text); border-color: var(--accent); }
.cmp-check {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  color: var(--muted);
  cursor: pointer;
  margin-left: auto;
}
.cmp-check input { accent-color: var(--accent); width: 14px; height: 14px; }

/* --- hex view --- */

.cmp-hex-area {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  overflow: hidden;
}
.cmp-hex-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}
.cmp-hex-col {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  background: var(--panel-soft);
}
.cmp-col-label {
  font: 700 10px "Space Grotesk", sans-serif;
  letter-spacing: .1em;
  padding: 2px 8px;
  border-radius: 4px;
}
.cmp-col-ori { background: rgba(79,127,255,.15); color: #6b95ff; }
.cmp-col-mod { background: rgba(70,214,154,.12); color: var(--green); }
.cmp-col-name { font-size: 11px; color: var(--muted); }

.cmp-hex-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
  height: 560px;
}

.cmp-hex-pane {
  position: relative;
  overflow-y: scroll;
  overflow-x: auto;
  background: #090d13;
  scrollbar-width: thin;
  scrollbar-color: #2a3344 transparent;
}
.cmp-hex-pane::-webkit-scrollbar { width: 6px; }
.cmp-hex-pane::-webkit-scrollbar-track { background: transparent; }
.cmp-hex-pane::-webkit-scrollbar-thumb { background: #2a3344; border-radius: 3px; }

.cmp-spacer { pointer-events: none; }
.cmp-content {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  font: 11px/1 "Consolas", "Courier New", monospace;
  padding: 6px 12px;
}

.cmp-row {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 19px;
  white-space: pre;
}
.cmp-row.diff-row { background: rgba(244,185,66,.04); }

.cmp-row .off {
  color: #4a6699;
  min-width: 72px;
  flex-shrink: 0;
}
.cmp-row .hx {
  color: #c8d0dc;
  min-width: 305px;
  flex-shrink: 0;
  letter-spacing: .02em;
}
.cmp-row .asc {
  color: #5a6880;
}

.cmp-row em.db {
  font-style: normal;
  background: rgba(244,185,66,.22);
  color: #f4b942;
  border-radius: 2px;
}
.cmp-row em.miss {
  font-style: normal;
  background: rgba(239,83,80,.15);
  color: #ef5350;
  border-radius: 2px;
}