:root {
  --bg: #0f1420;
  --panel: #171e2e;
  --panel-2: #1d2637;
  --border: #2a3550;
  --text: #e6ebf5;
  --muted: #8b96ad;
  --accent: #3ddc97;
  --accent-2: #38bdf8;
  --danger: #f87171;
  --warn: #fbbf24;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", system-ui, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  padding: 14px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 16px;
}
.brand { font-size: 1.2rem; }
.badge {
  background: var(--warn);
  color: #000;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 20px;
  vertical-align: middle;
  margin-left: 6px;
}
.brand-sub { color: var(--muted); font-size: 0.85rem; }

.layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 20px;
  padding: 20px;
  flex: 1;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  height: fit-content;
}
.panel.wide { min-width: 0; }

h2 { font-size: 1rem; margin: 14px 0 10px; color: var(--accent-2); }
h2:first-child { margin-top: 0; }

label { display: block; font-size: 0.85rem; color: var(--muted); margin: 10px 0 4px; }
textarea, input[type="text"], input[type="file"] {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 11px;
  font-size: 0.9rem;
}
textarea { resize: vertical; }
input[type="file"] { padding: 7px; }

button {
  margin-top: 14px;
  width: 100%;
  background: var(--accent);
  color: #04120c;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  padding: 11px;
  font-size: 0.95rem;
  cursor: pointer;
}
button:hover { filter: brightness(1.08); }
button:disabled { opacity: 0.5; cursor: wait; }

.or-divider { text-align: center; color: var(--muted); font-size: 0.8rem; margin: 10px 0 2px; }

.status-box { margin-top: 12px; padding: 10px; border-radius: 8px; font-size: 0.9rem; }
.status-box.ok { background: rgba(61,220,151,.12); border: 1px solid var(--accent); }
.status-box.err { background: rgba(248,113,113,.12); border: 1px solid var(--danger); }
.status-box.pending { background: rgba(56,189,248,.1); border: 1px solid var(--accent-2); }

.metrics { font-size: 0.85rem; color: var(--muted); line-height: 1.6; }
.metrics b { color: var(--text); }

.history { max-height: 320px; overflow-y: auto; }
.history-item {
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
  cursor: pointer;
  background: var(--panel-2);
  font-size: 0.85rem;
}
.history-item:hover { border-color: var(--accent-2); }
.history-item .meta { color: var(--muted); font-size: 0.75rem; margin-top: 3px; }
.pill {
  display: inline-block;
  font-size: 0.68rem;
  padding: 1px 7px;
  border-radius: 10px;
  font-weight: 600;
  margin-left: 6px;
}
.pill.ok { background: rgba(61,220,151,.2); color: var(--accent); }
.pill.error { background: rgba(248,113,113,.2); color: var(--danger); }
.pill.pending, .pill.running { background: rgba(56,189,248,.2); color: var(--accent-2); }

.result { min-height: 220px; }
.result pre {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-size: 0.85rem;
  line-height: 1.55;
}
.usage-line { font-size: 0.8rem; color: var(--muted); margin-top: 10px; }
.usage-line b { color: var(--accent-2); }

.feedback-row { display: flex; gap: 8px; margin-top: 12px; align-items: center; }
.fb-btn {
  width: auto;
  margin: 0;
  padding: 7px 16px;
  font-size: 0.9rem;
}
.fb-btn.up { background: var(--accent); }
.fb-btn.down { background: var(--danger); color: #fff; }
.fb-btn.active { outline: 2px solid #fff; }
.feedback-row input {
  flex: 1;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 10px;
}

.muted { color: var(--muted); }
.footer {
  padding: 12px 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.8rem;
  text-align: center;
}
a { color: var(--accent-2); }

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
}