:root {
  color-scheme: light dark;
  --bg: #0f1115;
  --panel: #171a21;
  --border: #2a2f3a;
  --text: #e8eaed;
  --text-muted: #9aa1ac;
  --primary: #4f8cff;
  --primary-hover: #3f78e0;
  --danger: #e15b5b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  padding: 24px;
}

.app {
  width: 100%;
  max-width: 420px;
  text-align: center;
}

h1 { margin-bottom: 4px; }
.tagline { color: var(--text-muted); margin-top: 0; margin-bottom: 32px; }

.panel { display: flex; flex-direction: column; align-items: center; gap: 16px; }
.hidden { display: none; }

button {
  font-size: 1rem;
  padding: 12px 20px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  width: 100%;
  max-width: 280px;
}

button.primary { background: var(--primary); border-color: var(--primary); color: white; }
button.primary:hover { background: var(--primary-hover); }
button.secondary:hover { background: #1f2430; }

input[type="text"], input[type="file"] {
  font-size: 1rem;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  width: 100%;
  max-width: 280px;
}

input[type="text"] { text-align: center; letter-spacing: 0.15em; text-transform: uppercase; }

#qr-container svg { width: 220px; height: 220px; background: white; padding: 12px; border-radius: 8px; }

#scanner-ui { display: flex; flex-direction: column; align-items: center; gap: 12px; width: 100%; }
#scanner-video { width: 100%; max-width: 320px; border-radius: 8px; background: black; }
.scanner-controls { display: flex; gap: 12px; width: 100%; max-width: 320px; }
.scanner-controls button { max-width: none; }

#clipboard-widget {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
#remembered-peers-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
  max-width: 280px;
}
.remembered-peer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--panel);
}
.remembered-peer-label { flex: 1; text-align: left; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.remembered-peer-actions { display: flex; gap: 6px; }
.remembered-peer-actions button { width: auto; max-width: none; padding: 6px 10px; font-size: 0.85rem; }

#clipboard-received-text {
  max-width: 280px;
  word-break: break-word;
  color: var(--text-secondary, var(--text-muted));
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  max-height: 6em;
  overflow-y: auto;
}

.status { color: var(--text-muted); min-height: 1.2em; }
.progress { width: 100%; max-width: 280px; display: flex; flex-direction: column; gap: 6px; }
progress { width: 100%; }

#panel-error p { color: var(--danger); }