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

body {
  background: #0a0a1a;
  color: #e0e0e0;
  font-family: 'Segoe UI', sans-serif;
  min-height: 100vh;
  padding: 20px;
}

/* HEADER */
header {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 15px 20px;
  background: #0d0d2b;
  border: 1px solid #1a1a4e;
  border-radius: 10px;
  margin-bottom: 20px;
}
.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #00d4ff;
  letter-spacing: 2px;
}
.tagline {
  font-size: 0.85rem;
  color: #888;
  flex: 1;
}
.badge {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: bold;
  letter-spacing: 1px;
}
.badge.nominal  { background: #003300; color: #00ff88; border: 1px solid #00ff88; }
.badge.warning  { background: #332200; color: #ffaa00; border: 1px solid #ffaa00; }
.badge.critical { background: #330000; color: #ff4444; border: 1px solid #ff4444; }

/* GRIDS */
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 15px; margin-bottom: 15px; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 15px; margin-bottom: 15px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 15px; margin-bottom: 15px; }

@media(max-width:768px) {
  .grid-4,.grid-2,.grid-3 { grid-template-columns: 1fr; }
}

/* CARDS */
.card {
  background: #0d0d2b;
  border: 1px solid #1a1a4e;
  border-radius: 10px;
  padding: 18px;
}
.card-label {
  font-size: 0.75rem;
  color: #00d4ff;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.card-value {
  font-size: 2rem;
  font-weight: bold;
  color: #ffffff;
  margin-bottom: 8px;
}
.card-value.green  { color: #00ff88; }
.card-value.yellow { color: #ffaa00; }
.card-value.red    { color: #ff4444; }
.card-sub { font-size: 0.75rem; color: #666; }

/* BARS */
.bar-wrap {
  background: #1a1a3e;
  border-radius: 4px;
  height: 6px;
  overflow: hidden;
}
.bar {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
  width: 0%;
}
.cpu-bar  { background: linear-gradient(90deg, #00d4ff, #0088ff); }
.ram-bar  { background: linear-gradient(90deg, #00ff88, #00aa55); }
.disk-bar { background: linear-gradient(90deg, #ffaa00, #ff6600); }

/* TABLE */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}
th {
  color: #00d4ff;
  padding: 8px;
  border-bottom: 1px solid #1a1a4e;
  text-align: left;
}
td {
  padding: 8px;
  border-bottom: 1px solid #111130;
  color: #ccc;
}
.empty { color: #444; text-align: center; }

/* AGENT */
#agent-log {
  height: 200px;
  overflow-y: auto;
  background: #050510;
  border-radius: 6px;
  padding: 10px;
  margin-bottom: 10px;
  font-size: 0.8rem;
  line-height: 1.6;
}
.agent-msg { margin-bottom: 8px; padding: 6px 10px; border-radius: 6px; }
.agent-msg.system { color: #00d4ff; background: #0a0a2e; }
.agent-msg.user   { color: #ffffff; background: #1a1a3e; text-align: right; }
.agent-msg.ai     { color: #00ff88; background: #001a0d; }
.agent-msg.error  { color: #ff4444; background: #1a0000; }

.agent-input-row {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
}
.agent-input-row input {
  flex: 1;
  background: #0a0a2e;
  border: 1px solid #1a1a4e;
  border-radius: 6px;
  padding: 8px 12px;
  color: #fff;
  font-size: 0.85rem;
  outline: none;
}
.agent-input-row input:focus { border-color: #00d4ff; }
.agent-input-row button,
.agent-presets button,
.btn-small,
.btn-heal {
  background: #00d4ff22;
  border: 1px solid #00d4ff;
  color: #00d4ff;
  border-radius: 6px;
  padding: 8px 14px;
  cursor: pointer;
  font-size: 0.8rem;
  transition: all 0.2s;
}
.agent-presets button:hover,
.agent-input-row button:hover,
.btn-heal:hover { background: #00d4ff; color: #000; }

.agent-presets { display: flex; gap: 6px; flex-wrap: wrap; }

.btn-heal {
  padding: 12px 30px;
  font-size: 1rem;
  border-color: #ff6600;
  color: #ff6600;
  background: #ff660011;
}
.btn-heal:hover { background: #ff6600; color: #000; }

.center-row {
  display: flex;
  justify-content: center;
  margin: 10px 0 20px;
}