:root {
  --bg: #0f1419;
  --card: #1a2332;
  --text: #e8edf4;
  --muted: #8b9bb4;
  --accent: #3d8bfd;
  --accent2: #2dd4bf;
  --danger: #f87171;
  --border: #2a3548;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: #121820;
}

.header h1 { margin: 0; font-size: 1.1rem; font-weight: 600; }

.auth-bar { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }

.app { padding: 1.5rem; max-width: 1200px; margin: 0 auto; }

input, button, select, textarea {
  font: inherit;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  padding: 0.5rem 0.75rem;
}

button {
  cursor: pointer;
  background: var(--accent);
  border-color: transparent;
  color: #fff;
}
button.secondary { background: var(--card); border-color: var(--border); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  cursor: pointer;
  transition: border-color 0.15s;
}
.card:hover { border-color: var(--accent); }
.card h3 { margin: 0 0 0.5rem; font-size: 1rem; }
.muted { color: var(--muted); font-size: 0.85rem; }
.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  background: #243044;
}
.badge.ok { background: #134e4a; color: var(--accent2); }
.badge.warn { background: #7f1d1d; color: var(--danger); }

.toolbar { display: flex; gap: 0.5rem; margin-bottom: 1rem; flex-wrap: wrap; }

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

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
}

.chat-log {
  height: 320px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  padding: 0.5rem;
  background: #111820;
  border-radius: 8px;
}

.msg { padding: 0.5rem 0.75rem; border-radius: 8px; max-width: 90%; }
.msg.user { align-self: flex-end; background: #1e3a5f; }
.msg.bot { align-self: flex-start; background: #1f2937; }

.chat-input { display: flex; gap: 0.5rem; }
.chat-input input { flex: 1; }

.suggestions li {
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
  list-style: none;
}
.suggestions ul { padding: 0; margin: 0; }

.login-form {
  max-width: 360px;
  margin: 4rem auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.error { color: var(--danger); font-size: 0.9rem; }

.row { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }
.row input, .row select { flex: 1; min-width: 120px; }

.create-panel { margin-bottom: 1rem; }
.create-panel h3 { margin-top: 0; }

.card-meta { display: flex; gap: 0.35rem; margin-top: 0.5rem; flex-wrap: wrap; }

.subtabs { display: flex; gap: 0.5rem; margin-bottom: 1rem; }
.subtabs button.active { background: var(--accent); color: #fff; }

.page-title { margin: 0 0 1rem; }

.task-list { display: flex; flex-direction: column; gap: 0.5rem; max-height: 480px; overflow-y: auto; }
.task-row {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.5rem; background: #111820; border-radius: 8px;
}
.task-check { display: flex; gap: 0.5rem; align-items: center; flex: 1; }
.task-check input { width: auto; }
textarea { width: 100%; min-height: 120px; resize: vertical; }
.sep { border: none; border-top: 1px solid var(--border); margin: 1rem 0; }
hr.sep { height: 0; }

button.secondary.active { background: var(--accent); color: #fff; border-color: transparent; }