/* Brainy – reines CSS mit CSS-Variablen (Light/Dark) */
:root {
  --bg: #0b0c10;
  --panel: #111317;
  --text: #e8eaed;
  --muted: #9aa0a6;
  --accent: #4f8cff;
  --accent-2: #22c55e;
  --danger: #ef4444;
  --border: #21242c;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}

.light {
  --bg: #f7f7fb;
  --panel: #ffffff;
  --text: #111317;
  --muted: #444b55;
  --accent: #1e66ff;
  --accent-2: #0ea565;
  --danger: #d73737;
  --border: #e8e8ef;
  --shadow: 0 8px 24px rgba(0,0,0,.07);
}

* { box-sizing: border-box; }
html, body, #root { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

header.appbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; background: var(--panel);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.app-title { font-weight: 700; letter-spacing: .2px; }
.app-title small { color: var(--muted); font-weight: 500; }

.spacer { flex: 1; }

.keybox {
  display: flex; align-items: center; gap: 8px;
  background: transparent; border: 1px solid var(--border);
  padding: 6px 8px; border-radius: 10px;
}

.keybox input {
  background: transparent; color: var(--text);
  border: none; outline: none; width: 260px;
}

.icon-btn {
  border: 1px solid var(--border); background: transparent;
  color: var(--text); padding: 8px 10px; border-radius: 10px;
  cursor: pointer;
}
.icon-btn[disabled] { opacity: .45; cursor: not-allowed; }
.icon-btn.primary { background: var(--accent); border-color: var(--accent); color: white; }
.icon-btn.success { background: var(--accent-2); border-color: var(--accent-2); color: white; }
.icon-btn.danger { background: var(--danger); border-color: var(--danger); color: white; }
.icon-btn.ghost { background: transparent; }
.icon-btn.tiny { padding: 6px 8px; font-size: 12px; }

main.layout {
  display: grid; gap: 12px; padding: 14px; margin: 0 auto; max-width: 1400px;
  grid-template-columns: 1fr 320px 1fr;
}

@media (max-width: 1020px) {
  main.layout { grid-template-columns: 1fr; }
}

.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 16px; padding: 14px; box-shadow: var(--shadow);
  min-height: 220px;
}

.panel h3 { margin: 0 0 10px; font-size: 14px; text-transform: uppercase; letter-spacing: .7px; color: var(--muted); }

.tabs {
  display: flex; gap: 8px; padding: 8px 14px 0;
  overflow-x: auto;
}
.tab {
  border: 1px solid var(--border); padding: 8px 10px; border-radius: 999px;
  background: transparent; color: var(--text); cursor: pointer; white-space: nowrap;
}
.tab.active { background: var(--accent); border-color: var(--accent); color: white; }

textarea, select, input[type="text"], input[type="password"] {
  width: 100%; border-radius: 12px; border: 1px solid var(--border);
  background: transparent; color: var(--text); padding: 10px; resize: vertical;
}
select { height: 36px; }
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 6px; }

.row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
@media (max-width: 720px) { .row, .row-3 { grid-template-columns: 1fr; }}

.controls { display: flex; flex-direction: column; gap: 12px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.outbox {
  white-space: pre-wrap; word-wrap: break-word;
  border-radius: 12px; padding: 12px; border: 1px dashed var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(0,0,0,.02));
  min-height: 200px;
}

.error {
  color: white; background: linear-gradient(0deg, rgba(239, 68, 68, .85), rgba(239, 68, 68, .85));
  border: 1px solid #ef4444; padding: 10px 12px; border-radius: 10px;
}

.badge { font-size: 12px; color: var(--muted); }

.loader {
  position: relative; height: 48px; overflow: hidden;
  border: 1px dashed var(--border); border-radius: 10px; display: flex; align-items: center;
  padding: 8px 10px; gap: 10px; color: var(--muted);
}
.dog-track { position: relative; flex: 1; height: 20px; background: repeating-linear-gradient(90deg, transparent 0 12px, rgba(255,255,255,.06) 12px 24px); border-radius: 8px; }
.dog { position: absolute; top: -8px; left: -40px; font-size: 28px; animation: run 1.4s linear infinite; filter: drop-shadow(0 6px 10px rgba(0,0,0,.25)); }
@keyframes run { 0% { left: -40px; } 100% { left: calc(100% + 10px); } }

.gate-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.gate-card { width: 100%; max-width: 420px; }
.footer-note { text-align: center; color: var(--muted); padding: 10px 0 18px; }