/* Nizhenets Screen — file & clipboard transfer overlay ("Nöbet" design system)
   The overlay markup is a fixed template inside transfers.js (data-field / data-action attributes
   are read by the controller and checked by tests), so only these selectors change. */

.transfer-backdrop {
  position: fixed; inset: 0; z-index: 30; display: flex; align-items: center; justify-content: center;
  padding: var(--nz-space-6); overflow: auto;
  background: color-mix(in srgb, var(--nz-canvas) 70%, transparent);
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
}
.transfer-backdrop[hidden] { display: none; }
.transfer-panel {
  width: min(640px, 100%); max-height: calc(100dvh - 48px); overflow: auto; padding: var(--nz-space-6);
  border: 1px solid var(--nz-line); border-radius: var(--nz-radius-plate); background: var(--nz-surface); color: var(--nz-ink);
  box-shadow: var(--nz-shadow-float);
}
.transfer-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: var(--nz-space-4); }
.transfer-heading .eyebrow { margin-bottom: 4px; }
.transfer-heading h2 { margin: 0; font-size: var(--nz-text-xl); }
.transfer-heading .icon-button { margin: -6px -8px 0 0; font-family: var(--nz-font-sans); font-size: 22px; line-height: 1; }
.transfer-intro { margin: var(--nz-space-4) 0 var(--nz-space-3); font-size: var(--nz-text-sm); line-height: 1.6; color: var(--nz-ink-2); }
.transfer-section { margin-top: var(--nz-space-5); padding-top: var(--nz-space-4); border-top: 1px solid var(--nz-line); }
.transfer-section h3 { margin: 0 0 var(--nz-space-3); font-family: var(--nz-font-sans); font-size: var(--nz-text-sm); font-weight: 600; }
.transfer-section-heading { display: flex; justify-content: space-between; align-items: center; gap: var(--nz-space-3); margin-bottom: var(--nz-space-3); }
.transfer-section-heading h3 { margin: 0; }
.transfer-section-heading > span { font-size: var(--nz-text-xs); color: var(--nz-ink-2); }

.transfer-check {
  display: flex; align-items: center; gap: 8px; margin: var(--nz-space-3) 0; cursor: pointer;
  font-size: var(--nz-text-sm); line-height: 1.5; color: var(--nz-ink);
}
.transfer-check input, .transfer-file input { flex: none; width: 16px; height: 16px; margin: 0; accent-color: var(--nz-accent); }

.transfer-drop {
  padding: var(--nz-space-5); text-align: center;
  border: 1px dashed var(--nz-line-strong); border-radius: var(--nz-radius-control); background: var(--nz-canvas);
  transition: background-color var(--nz-fast) var(--nz-ease), border-color var(--nz-fast) var(--nz-ease);
}
.transfer-drop.dragging { border-color: var(--nz-accent); background: var(--nz-accent-soft); }
.transfer-drop > strong { display: block; font-size: var(--nz-text-sm); font-weight: 600; }
.transfer-drop > span { display: block; margin-top: 4px; font-size: var(--nz-text-xs); color: var(--nz-ink-2); }
.transfer-actions { display: flex; flex-wrap: wrap; gap: var(--nz-space-2); margin-top: var(--nz-space-3); }
.transfer-drop .transfer-actions { justify-content: center; }
.transfer-note { margin: var(--nz-space-3) 0 0; font-size: var(--nz-text-xs); line-height: 1.6; color: var(--nz-ink-2); }

.transfer-file-list { max-height: 200px; overflow: auto; margin: var(--nz-space-3) 0; border-top: 1px solid var(--nz-line); }
.transfer-file-list:empty { margin: 0; border-top: 0; }
.transfer-file {
  display: flex; align-items: center; gap: 10px; padding: 8px 2px; cursor: pointer;
  border-bottom: 1px solid var(--nz-line); font-size: var(--nz-text-sm);
}
.transfer-file > span { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.transfer-file > small { flex: none; font-family: var(--nz-font-mono); font-size: var(--nz-text-xs); color: var(--nz-ink-2); font-variant-numeric: tabular-nums; }

.transfer-link {
  padding: 2px 0; border: 0; background: none; cursor: pointer;
  font-size: var(--nz-text-xs); font-weight: 500; color: var(--nz-accent);
  text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.18em;
  text-decoration-color: color-mix(in srgb, var(--nz-accent) 45%, transparent);
}
.transfer-link:hover { text-decoration-color: currentColor; }

.transfer-progress { margin-top: var(--nz-space-4); }
.transfer-progress > div { display: flex; align-items: center; justify-content: space-between; gap: var(--nz-space-3); margin-bottom: 6px; }
.transfer-progress > div > span { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: var(--nz-text-xs); color: var(--nz-ink-2); }
.transfer-progress progress {
  display: block; width: 100%; height: 6px; overflow: hidden;
  -webkit-appearance: none; appearance: none; border: 0; border-radius: var(--nz-radius-pill);
  background: var(--nz-raised); accent-color: var(--nz-accent);
}
.transfer-progress progress::-webkit-progress-bar { background: var(--nz-raised); border-radius: var(--nz-radius-pill); }
.transfer-progress progress::-webkit-progress-value { background: var(--nz-accent); border-radius: var(--nz-radius-pill); transition: width 240ms var(--nz-ease); }
.transfer-progress progress::-moz-progress-bar { background: var(--nz-accent); border-radius: var(--nz-radius-pill); }

.transfer-remote-result:empty { display: none; }
.transfer-result-card { margin-top: var(--nz-space-3); padding: var(--nz-space-3) var(--nz-space-4); border-radius: var(--nz-radius-control); background: var(--nz-raised); }
.transfer-result-card p { margin: 0 0 var(--nz-space-3); font-size: var(--nz-text-sm); line-height: 1.5; overflow-wrap: anywhere; }
.transfer-error {
  margin-top: var(--nz-space-4); padding: 10px 12px;
  border: 1px solid var(--nz-line); border-left: 3px solid var(--nz-bad); border-radius: var(--nz-radius-control);
  background: var(--nz-surface); color: var(--nz-bad); font-size: var(--nz-text-sm); line-height: 1.5;
}

.transfer-panel textarea, .transfer-companion input {
  display: block; width: 100%; min-height: 36px; padding: 6px 12px;
  border: 1px solid var(--nz-line-strong); border-radius: var(--nz-radius-control);
  background: var(--nz-surface); color: var(--nz-ink); font-size: var(--nz-text-md); line-height: 1.4;
  transition: border-color var(--nz-fast) var(--nz-ease);
}
.transfer-panel textarea { min-height: 96px; resize: vertical; }
.transfer-panel textarea:hover, .transfer-companion input:hover { border-color: var(--nz-ink-3); }
.transfer-panel textarea:focus-visible, .transfer-companion input:focus-visible { border-color: var(--nz-accent); box-shadow: var(--nz-focus); }

.transfer-companion { margin-top: var(--nz-space-5); padding-top: var(--nz-space-4); border-top: 1px solid var(--nz-line); }
.transfer-companion summary { cursor: pointer; font-size: var(--nz-text-sm); font-weight: 600; color: var(--nz-ink); }
.transfer-companion p, .transfer-companion li { font-size: var(--nz-text-sm); line-height: 1.6; color: var(--nz-ink-2); }
.transfer-companion p { margin: var(--nz-space-3) 0; }
.transfer-companion ol { margin: var(--nz-space-3) 0; padding-left: 20px; }
.transfer-companion label { display: block; margin-top: var(--nz-space-3); font-size: var(--nz-text-xs); font-weight: 500; color: var(--nz-ink-2); }
.transfer-companion input { margin-top: 6px; }
.transfer-limit-note { margin: var(--nz-space-5) 0 0; font-size: var(--nz-text-xs); line-height: 1.6; color: var(--nz-ink-2); }

/* Off-screen textarea that receives browser paste events for the remote screen. */
.transfer-paste-proxy { position: fixed; left: -10000px; top: 0; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.transfer-panel [hidden] { display: none !important; }

@media (max-width: 650px) {
  .transfer-backdrop { padding: var(--nz-space-3); }
  .transfer-panel { padding: var(--nz-space-5); max-height: calc(100dvh - 24px); }
  .transfer-heading h2 { font-size: var(--nz-text-lg); }
  .transfer-section-heading { align-items: flex-start; }
  .transfer-drop { padding: var(--nz-space-4) var(--nz-space-3); }
}
@media (max-height: 550px) {
  .transfer-backdrop { padding: var(--nz-space-3); }
  .transfer-panel { max-height: calc(100dvh - 24px); }
}