:root {
  --bg: #f7f8fa;
  --card: #ffffff;
  --border: #e5e7eb;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #4f46e5;
  --primary-dark: #4338ca;
  --danger: #dc2626;
  --danger-bg: #fef2f2;
  --success: #059669;
  --radius: 10px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container { max-width: 960px; margin: 0 auto; padding: 0 20px; width: 100%; }

/* Navbar */
.navbar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.navbar-inner { display: flex; justify-content: space-between; align-items: center; }
.brand { font-size: 1.25rem; font-weight: 700; text-decoration: none; color: var(--text); }
.nav-links { display: flex; align-items: center; gap: 16px; }
.nav-links a { color: var(--text); text-decoration: none; font-weight: 500; }
.nav-links a:hover { color: var(--primary); }
.nav-user { color: var(--muted); }
.inline { display: inline; }

main { flex: 1; padding: 32px 20px; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.btn:hover { background: #f3f4f6; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-danger { background: var(--card); border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: var(--danger-bg); }
.btn-link { background: none; border: none; color: var(--muted); padding: 4px 8px; }
.btn-sm { padding: 6px 12px; font-size: 0.85rem; }

/* Cards */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
}

/* Hero (home) */
.hero { text-align: center; padding: 64px 0 40px; }
.hero h1 { font-size: 2.5rem; margin-bottom: 16px; }
.hero p { color: var(--muted); font-size: 1.15rem; max-width: 560px; margin: 0 auto 28px; }
.hero-cta { display: flex; gap: 12px; justify-content: center; }
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 48px;
}
.feature { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.feature h3 { margin-bottom: 8px; }
.feature p { color: var(--muted); font-size: 0.95rem; }

/* Forms */
.form-group { margin-bottom: 16px; }
label { display: block; font-weight: 500; margin-bottom: 6px; }
input, textarea, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: inherit;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79,70,229,0.15); }
textarea { min-height: 90px; resize: vertical; }
.form-actions { display: flex; gap: 12px; align-items: center; margin-top: 8px; }

/* Errors */
.errors { background: var(--danger-bg); border: 1px solid var(--danger); color: var(--danger); border-radius: var(--radius); padding: 12px 16px; margin-bottom: 16px; }
.errors ul { margin: 0; padding-left: 18px; }
.alert { border-radius: var(--radius); padding: 12px 16px; margin-bottom: 16px; }
.alert-success { background: #ecfdf5; border: 1px solid var(--success); color: var(--success); }
.alert-info { background: #eff6ff; border: 1px solid #3b82f6; color: #1e40af; }

/* Page header */
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; flex-wrap: wrap; gap: 12px; }
.page-header h1 { font-size: 1.6rem; }
.muted { color: var(--muted); }
.hint { color: var(--muted); font-size: 0.875rem; }

/* Bot cards grid */
.bot-list { list-style: none; }
.bot-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
}
.bot-item .bot-name { font-weight: 600; }
.status-badge { font-size: 0.8rem; padding: 3px 10px; border-radius: 999px; font-weight: 500; }
.status-connected { background: #ecfdf5; color: var(--success); }
.status-pending { background: #fffbeb; color: #b45309; }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.tabs a { padding: 10px 16px; text-decoration: none; color: var(--muted); font-weight: 500; border-bottom: 2px solid transparent; }
.tabs a.active { color: var(--primary); border-bottom-color: var(--primary); }

/* Tables */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.03em; }

/* Catalog entries */
.entry-row { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--border); }
.entry-row:last-child { border-bottom: none; }
.entry-title { font-weight: 600; }
.entry-desc { color: var(--muted); font-size: 0.9rem; }
.row-actions { display: flex; gap: 8px; flex-shrink: 0; }

/* Chat messages */
.chat-msg { margin-bottom: 12px; }
.chat-msg .role { font-weight: 600; font-size: 0.8rem; color: var(--muted); }
.chat-msg.assistant .role { color: var(--primary); }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 20px 0; text-align: center; color: var(--muted); }

/* Utils */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mb-2 { margin-bottom: 8px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .grid-2 { grid-template-columns: 1fr; } }