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

:root {
  --bg: #0f0f1a;
  --bg2: #1a1a2e;
  --bg3: #16213e;
  --card: #1e1e36;
  --border: #2a2a4a;
  --text: #e0e0e0;
  --text2: #a0a0b8;
  --accent: #4a9eff;
  --green: #4caf50;
  --red: #f44336;
  --yellow: #ffc107;
  --orange: #ff9800;
}

body {
  font-family: 'Segoe UI', 'Roboto', sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
}

#app { height: 100vh; display: flex }

.login-screen {
  display: flex; align-items: center; justify-content: center;
  width: 100%; height: 100vh;
  background: linear-gradient(135deg, var(--bg) 0%, var(--bg2) 100%);
}

.login-box {
  background: var(--card); padding: 40px; border-radius: 12px;
  border: 1px solid var(--border); width: 360px;
  text-align: center;
}

.login-box h1 { font-size: 1.5rem; margin-bottom: 4px }
.login-subtitle { color: var(--text2); font-size: 0.85rem; margin-bottom: 24px }

.login-box input {
  width: 100%; padding: 12px 16px; margin-bottom: 12px;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); font-size: 0.95rem;
  outline: none; transition: border 0.2s;
}

.login-box input:focus { border-color: var(--accent) }

.login-box button {
  width: 100%; padding: 12px; background: var(--accent); color: #fff;
  border: none; border-radius: 8px; font-size: 1rem; cursor: pointer;
  transition: opacity 0.2s;
}

.login-box button:hover { opacity: 0.9 }

.login-error { color: var(--red); font-size: 0.85rem; margin-top: 8px; min-height: 20px }

/* Sidebar */
#sidebar {
  width: 220px; background: var(--bg2); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; flex-shrink: 0;
}

.sidebar-header { padding: 20px; border-bottom: 1px solid var(--border) }
.sidebar-header h2 { font-size: 1.1rem; color: var(--accent) }

.nav-list { list-style: none; flex: 1; overflow-y: auto; padding: 8px 0 }

.nav-item {
  padding: 12px 20px; cursor: pointer; display: flex; align-items: center;
  gap: 10px; color: var(--text2); transition: all 0.2s;
  border-left: 3px solid transparent;
}

.nav-item:hover { background: var(--bg3); color: var(--text) }
.nav-item.active { background: var(--bg3); color: var(--accent); border-left-color: var(--accent) }

.nav-icon { font-size: 1.1rem; width: 20px; text-align: center }

.sidebar-footer { padding: 16px 20px; border-top: 1px solid var(--border) }

.btn-logout {
  width: 100%; padding: 10px; background: transparent;
  border: 1px solid var(--border); border-radius: 8px;
  color: var(--red); cursor: pointer; transition: all 0.2s;
}

.btn-logout:hover { background: var(--red); color: #fff }

/* Main */
#main-content { flex: 1; overflow-y: auto; padding: 24px }

.page-header {
  display: flex; align-items: center; gap: 12px; margin-bottom: 24px;
  flex-wrap: wrap;
}

.page-header h1 { font-size: 1.5rem; flex: 1 }

.vm-host { color: var(--text2); font-size: 0.85rem; font-family: monospace }

.btn-refresh, .btn-back {
  padding: 8px 16px; background: var(--bg3); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px; cursor: pointer;
  font-size: 0.85rem; transition: all 0.2s;
}

.btn-refresh:hover, .btn-back:hover { background: var(--accent); color: #fff }

.btn-sm {
  padding: 4px 10px; background: var(--bg3); color: var(--text);
  border: 1px solid var(--border); border-radius: 4px; cursor: pointer;
  font-size: 0.8rem; transition: all 0.2s;
}

.btn-sm:hover { background: var(--accent); color: #fff }

/* VM Grid */
.vm-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px }

.vm-card {
  background: var(--card); border-radius: 10px; border: 1px solid var(--border);
  padding: 16px; cursor: pointer; transition: all 0.2s;
}

.vm-card:hover { border-color: var(--accent); transform: translateY(-2px) }

.vm-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px }

.vm-card-header h3 { font-size: 1rem }

.vm-status-indicator {
  font-size: 0.7rem; padding: 3px 8px; border-radius: 10px;
  font-weight: 600; letter-spacing: 0.5px;
}

.vm-status-indicator.online { background: rgba(76,175,80,0.15); color: var(--green) }
.vm-status-indicator.offline { background: rgba(244,67,54,0.15); color: var(--red) }

.vm-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 12px }

.metric {
  display: flex; flex-direction: column; background: var(--bg2);
  padding: 8px 10px; border-radius: 6px;
}

.metric-label { font-size: 0.7rem; color: var(--text2); text-transform: uppercase }
.metric-value { font-size: 0.95rem; font-weight: 600; font-family: monospace }

.vm-services { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 8px }

.svc-badge {
  font-size: 0.7rem; padding: 2px 8px; border-radius: 8px;
  font-family: monospace; letter-spacing: 0.3px;
}

.svc-ok { background: rgba(76,175,80,0.15); color: var(--green) }
.svc-fail { background: rgba(244,67,54,0.15); color: var(--red) }

.vm-pm2 { display: flex; flex-wrap: wrap; gap: 4px }

.pm2-badge {
  font-size: 0.7rem; padding: 2px 8px; border-radius: 8px;
  font-family: monospace;
}

.pm2-on { background: rgba(76,175,80,0.15); color: var(--green) }
.pm2-off { background: rgba(244,67,54,0.15); color: var(--red) }
.pm2-na { font-size: 0.75rem; color: var(--text2); font-style: italic }

.vm-error { color: var(--red); font-size: 0.85rem; text-align: center; padding: 12px }

/* Detail */
.vm-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px }

.detail-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  padding: 16px;
}

.detail-card h3 { font-size: 0.9rem; color: var(--accent); margin-bottom: 12px; text-transform: uppercase; letter-spacing: 0.5px }

.detail-card-full { grid-column: 1 / -1 }

.detail-metrics { display: grid; gap: 8px }

.detail-metrics .metric { flex-direction: row; justify-content: space-between; align-items: center }

.svc-list, .pm2-list { display: flex; flex-direction: column; gap: 6px }

.svc-item, .pm2-item {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--bg2); padding: 8px 12px; border-radius: 6px;
}

.pm2-item { flex-direction: column; align-items: stretch; gap: 6px }

.pm2-info { display: flex; align-items: center; gap: 8px; flex-wrap: wrap }

.pm2-name { font-weight: 600; font-family: monospace; font-size: 0.9rem }
.pm2-cpu, .pm2-mem { font-size: 0.8rem; color: var(--text2); font-family: monospace }

.pm2-actions { display: flex; gap: 4px }

/* Logs */
.log-viewer {
  background: #0a0a14; border: 1px solid var(--border); border-radius: 6px;
  padding: 12px; font-family: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  font-size: 0.75rem; line-height: 1.5; max-height: 500px; overflow-y: auto;
  white-space: pre-wrap; word-break: break-all; color: #c0c0d0;
}

.global-log { max-height: 70vh; min-height: 300px }

.logs-controls {
  display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap;
}

.logs-controls select, .logs-controls input, .logs-toolbar select {
  padding: 8px 12px; background: var(--bg2); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text); font-size: 0.85rem; outline: none;
}

.logs-controls input { flex: 1; min-width: 150px }
.logs-controls select:focus, .logs-controls input:focus { border-color: var(--accent) }

.logs-toolbar { display: flex; gap: 8px; margin-bottom: 8px }

.log-viewer mark { background: rgba(255,193,7,0.3); color: var(--yellow); padding: 0 2px; border-radius: 2px }

/* Loading */
.loading { text-align: center; padding: 60px; color: var(--text2); font-size: 1.1rem }
.loading-sm { text-align: center; padding: 20px; color: var(--text2); font-size: 0.85rem }

.error { color: var(--red); padding: 20px; text-align: center }

/* Scrollbar */
::-webkit-scrollbar { width: 6px }
::-webkit-scrollbar-track { background: transparent }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px }
::-webkit-scrollbar-thumb:hover { background: var(--text2) }

@media (max-width: 768px) {
  #sidebar { width: 60px }
  .nav-text, .sidebar-header h2, .sidebar-footer { display: none }
  .nav-item { justify-content: center; padding: 12px }
  .vm-grid { grid-template-columns: 1fr }
  .vm-detail-grid { grid-template-columns: 1fr }
}