:root {
  --bg-dark: #0b0d14;
  --bg-surface: #141724;
  --bg-card: #1c2033;
  --bg-card-hover: #232840;
  --border: #2a304d;
  --border-focus: #3b82f6;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.15);
  --warning: #f59e0b;
  --warning-bg: rgba(245, 158, 11, 0.15);
  --danger: #ef4444;
  --danger-bg: rgba(239, 68, 68, 0.15);
  --purple: #8b5cf6;
  --purple-bg: rgba(139, 92, 246, 0.15);

  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Menlo, Monaco, Consolas, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* Scrollbar moderno */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-dark);
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-dim);
}

/* Header */
.app-header {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 40;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: #fff;
}

.brand-icon {
  width: 2rem;
  height: 2rem;
  background: linear-gradient(135deg, #10b981, #059669);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.3rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.status-badge.online {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-badge.offline {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.status-badge.online .status-dot {
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
  animation: pulse 2s infinite;
}
.status-badge.offline .status-dot {
  background: var(--danger);
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.9); }
}

/* Layout Principal */
.app-container {
  display: flex;
  flex: 1;
}

/* Sidebar Desktop */
.app-sidebar {
  width: 240px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 1rem 0.5rem;
  gap: 0.35rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: 8px;
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.15s ease;
  border: 1px solid transparent;
}

.nav-item:hover {
  background: var(--bg-card);
  color: var(--text-main);
}

.nav-item.active {
  background: rgba(59, 130, 246, 0.12);
  color: var(--primary);
  border-color: rgba(59, 130, 246, 0.3);
  font-weight: 600;
}

.nav-item .icon {
  font-size: 1.25rem;
}

/* Main Content */
.main-content {
  flex: 1;
  padding: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

/* Cards & Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.card-title {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.metric-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
}

.metric-sub {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-weight: 400;
}

/* Progress bar */
.progress-bar-bg {
  width: 100%;
  height: 6px;
  background: var(--border);
  border-radius: 9999px;
  margin-top: 0.75rem;
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  border-radius: 9999px;
  transition: width 0.3s ease;
}

.fill-cpu { background: linear-gradient(90deg, #3b82f6, #60a5fa); }
.fill-mem { background: linear-gradient(90deg, #10b981, #34d399); }

/* Quick Action Buttons */
.action-bar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: all 0.15s ease;
  user-select: none;
}

.btn:active {
  transform: scale(0.98);
}

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

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #059669; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border);
}
.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-dim);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Console Terminal */
.console-wrapper {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 220px);
  min-height: 480px;
  background: #080a10;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.console-header {
  background: var(--bg-surface);
  padding: 0.6rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
}

.console-logs {
  flex: 1;
  padding: 1rem;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.5;
  color: #e2e8f0;
  white-space: pre-wrap;
  word-break: break-all;
}

.console-input-bar {
  display: flex;
  padding: 0.6rem 0.8rem;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  gap: 0.5rem;
}

.console-input {
  flex: 1;
  background: #080a10;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  outline: none;
}

.console-input:focus {
  border-color: var(--primary);
}

/* Quick Commands */
.quick-commands {
  display: flex;
  gap: 0.5rem;
  padding: 0.4rem 0.8rem;
  background: rgba(0, 0, 0, 0.4);
  overflow-x: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.quick-cmd-btn {
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
  white-space: nowrap;
}
.quick-cmd-btn:hover {
  color: #fff;
  border-color: var(--primary);
}

/* File Manager */
.file-manager {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.fm-header {
  padding: 0.85rem 1.25rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.fm-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  overflow-x: auto;
  max-width: 60%;
}

.fm-crumb {
  color: var(--primary);
  cursor: pointer;
  text-decoration: underline;
}

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

.fm-table th, .fm-table td {
  padding: 0.75rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.fm-table th {
  background: rgba(0, 0, 0, 0.2);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.fm-row {
  cursor: pointer;
  transition: background 0.1s ease;
}

.fm-row:hover {
  background: var(--bg-card-hover);
}

.fm-name {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
}

.fm-actions {
  display: flex;
  gap: 0.4rem;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 1rem;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.modal-header {
  padding: 1rem 1.25rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-body {
  padding: 1.25rem;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 0.85rem 1.25rem;
  background: var(--bg-surface);
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

.code-editor {
  width: 100%;
  height: 400px;
  background: #080a10;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 0.75rem;
  resize: vertical;
  outline: none;
}

/* Config Form */
.config-group {
  margin-bottom: 1.25rem;
}

.config-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.config-desc {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 0.5rem;
}

.input-text, .input-select {
  width: 100%;
  background: #080a10;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.65rem 0.85rem;
  color: #fff;
  font-size: 0.9rem;
  outline: none;
}

.input-text:focus, .input-select:focus {
  border-color: var(--primary);
}

/* Addons Cards */
.addons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
}

.addon-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.addon-badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.addon-badge.behavior { background: var(--purple-bg); color: var(--purple); }
.addon-badge.resource { background: var(--warning-bg); color: var(--warning); }

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  padding: 0.75rem 1.25rem;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  animation: slideIn 0.2s ease-out;
}

.toast.success { border-color: var(--success); color: var(--success); }
.toast.error { border-color: var(--danger); color: var(--danger); }
.toast.info { border-color: var(--primary); color: #fff; }

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* Mobile Bottom Navigation */
.mobile-nav {
  display: none;
}

@media (max-width: 768px) {
  .app-sidebar {
    display: none;
  }

  .main-content {
    padding: 1rem;
    padding-bottom: 5.5rem; /* Espaço para o menu inferior */
  }

  .mobile-nav {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    justify-content: space-around;
    padding: 0.5rem 0.25rem;
    z-index: 50;
    backdrop-filter: blur(8px);
  }

  .mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    color: var(--text-dim);
    font-size: 0.68rem;
    cursor: pointer;
    padding: 0.35rem 0.5rem;
    border-radius: 8px;
    flex: 1;
    text-align: center;
  }

  .mobile-nav-item.active {
    color: var(--primary);
    background: rgba(59, 130, 246, 0.1);
  }

  .mobile-nav-item .icon {
    font-size: 1.25rem;
  }

  .console-wrapper {
    height: calc(100vh - 270px);
    min-height: 380px;
  }

  .fm-breadcrumbs {
    max-width: 100%;
  }

  .toast-container {
    top: 0.75rem;
    right: 0.75rem;
    left: 0.75rem;
  }
}