:root {
  --bg: #0b0f14;
  --bg-elevated: #121820;
  --bg-card: #151c26;
  --border: #243041;
  --text: #e8eef7;
  --text-muted: #8b9cb3;
  --primary: #f97316;
  --primary-hover: #fb923c;
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #eab308;
  --info: #3b82f6;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

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

body {
  font-family: Inter, Segoe UI, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a { color: var(--primary); text-decoration: none; }

.app {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 8px;
}

.logo {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, #f97316, #ea580c);
  display: grid;
  place-items: center;
  font-weight: 800;
  color: #111;
}

.brand small { color: var(--text-muted); display: block; }

.nav { display: flex; flex-direction: column; gap: 8px; }

.nav-item {
  background: transparent;
  border: 0;
  color: var(--text-muted);
  text-align: left;
  padding: 12px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.95rem;
}

.nav-item:hover, .nav-item.active {
  background: rgba(249, 115, 22, 0.12);
  color: var(--text);
}

.sidebar-footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 8px 0;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.875rem;
}

.content { padding: 24px 28px; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.topbar h1 { font-size: 1.6rem; }
.topbar p { color: var(--text-muted); font-size: 0.95rem; }

.topbar-actions { display: flex; gap: 10px; }

.view { display: none; }
.view.active { display: block; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.card-header {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.stat-card .label { color: var(--text-muted); font-size: 0.85rem; }
.stat-card .value { font-size: 1.8rem; font-weight: 700; margin-top: 6px; }

.server-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 16px;
  padding: 20px;
}

.server-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  background: rgba(255,255,255,0.02);
}

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

.server-card h3 { font-size: 1.05rem; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-running { background: rgba(34,197,94,0.15); color: var(--success); }
.badge-stopped { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge-pending { background: rgba(234,179,8,0.15); color: var(--warning); }

.meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 12px 0;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.meta-grid strong { color: var(--text); display: block; }

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.btn {
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 0.875rem;
  cursor: pointer;
  font-weight: 600;
  transition: 0.15s ease;
}

.btn-sm { padding: 6px 10px; font-size: 0.78rem; }
.btn-block { width: 100%; }
.btn-primary { background: var(--primary); color: #111; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: #1f2937; color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: #273449; }
.btn-success { background: rgba(34,197,94,0.18); color: var(--success); border: 1px solid rgba(34,197,94,0.35); }
.btn-danger { background: rgba(239,68,68,0.18); color: var(--danger); border: 1px solid rgba(239,68,68,0.35); }
.btn-warning { background: rgba(234,179,8,0.18); color: var(--warning); border: 1px solid rgba(234,179,8,0.35); }
.btn-info { background: rgba(59,130,246,0.18); color: var(--info); border: 1px solid rgba(59,130,246,0.35); }
.btn-ghost { background: transparent; color: var(--text-muted); }

.table-wrap { overflow-x: auto; }

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th, .data-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}

.data-table th {
  color: var(--text-muted);
  font-weight: 600;
  background: rgba(255,255,255,0.02);
}

.tasks-list { padding: 16px; display: flex; flex-direction: column; gap: 12px; }

.task-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.task-item.running { border-color: rgba(59,130,246,0.4); }

.modal.hidden { display: none; }
.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.65);
}

.modal-content {
  position: relative;
  width: min(560px, calc(100vw - 32px));
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  max-height: calc(100vh - 40px);
  overflow: auto;
}

.modal-lg { width: min(900px, calc(100vw - 32px)); }

.modal-header, .modal-footer {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-footer {
  border-bottom: 0;
  border-top: 1px solid var(--border);
  justify-content: flex-end;
  gap: 10px;
}

.modal-body { padding: 20px; }
.modal-close {
  background: transparent;
  border: 0;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-grid label.full { grid-column: 1 / -1; }

.form-grid span { font-size: 0.82rem; color: var(--text-muted); }

.field-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

input, textarea, select {
  background: #0f1520;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
}

input:focus, textarea:focus { outline: 2px solid rgba(249,115,22,0.35); }

.console-body { display: flex; flex-direction: column; gap: 12px; }

.console-status {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.console-output {
  background: #05080d;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  min-height: 360px;
  max-height: 50vh;
  overflow: auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.console-input-row {
  display: flex;
  gap: 10px;
}

.console-input-row input { flex: 1; }

.task-meta {
  margin-bottom: 12px;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.toast-container {
  position: fixed;
  right: 20px;
  bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 2000;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-left: 4px solid var(--primary);
  padding: 12px 16px;
  border-radius: 10px;
  min-width: 260px;
  box-shadow: var(--shadow);
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at top, rgba(249,115,22,0.12), transparent 40%), var(--bg);
}

.login-card {
  width: min(420px, calc(100vw - 32px));
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.login-header { text-align: center; margin-bottom: 24px; }
.login-header .logo {
  margin: 0 auto 12px;
}
.login-header p { color: var(--text-muted); }

.login-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.alert {
  padding: 12px 14px;
  border-radius: 10px;
  margin-bottom: 16px;
  font-size: 0.875rem;
}

.alert-error {
  background: rgba(239,68,68,0.12);
  border: 1px solid rgba(239,68,68,0.35);
  color: #fecaca;
}

.live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-muted);
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}

.live-indicator.connected {
  color: var(--success);
  border-color: rgba(34,197,94,0.35);
  background: rgba(34,197,94,0.08);
}

.live-indicator.disconnected {
  color: var(--danger);
  border-color: rgba(239,68,68,0.35);
}

.live-value {
  font-variant-numeric: tabular-nums;
}

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .form-grid { grid-template-columns: 1fr; }
}