/**
 * Decentralized Internet UI - Styles
 */

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

:root {
  --primary-color: #00a8ff;
  --success-color: #2ecc71;
  --danger-color: #e74c3c;
  --warning-color: #f39c12;
  --dark-bg: #1a1a2e;
  --darker-bg: #0f0f1e;
  --card-bg: #16213e;
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --border-color: #2d3561;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--dark-bg);
  color: var(--text-primary);
  overflow: hidden;
}

.app-container {
  display: flex;
  height: 100vh;
}

/* Sidebar */
.sidebar {
  width: 250px;
  background: var(--darker-bg);
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-color);
}

.logo {
  padding: 20px;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.logo h1 {
  font-size: 24px;
  margin-bottom: 5px;
}

.logo .version {
  color: var(--text-secondary);
  font-size: 12px;
}

.nav-menu {
  flex: 1;
  padding: 10px 0;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  padding: 12px 20px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.3s;
}

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

.nav-item.active {
  background: var(--primary-color);
  color: var(--text-primary);
}

.nav-item .icon {
  margin-right: 10px;
  font-size: 18px;
}

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

/* Main Content */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.header {
  padding: 20px 30px;
  background: var(--darker-bg);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header h2 {
  font-size: 24px;
}

.header-actions {
  display: flex;
  gap: 15px;
  align-items: center;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--success-color);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.content-area {
  flex: 1;
  overflow-y: auto;
  padding: 30px;
}

/* Pages */
.page {
  display: none;
}

.page.active {
  display: block;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.stat-card {
  background: var(--card-bg);
  padding: 20px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 15px;
  border: 1px solid var(--border-color);
}

.stat-icon {
  font-size: 40px;
}

.stat-info h3 {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 5px;
}

.stat-value {
  font-size: 28px;
  font-weight: bold;
  color: var(--primary-color);
}

/* Chart Grid */
.chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.chart-card {
  background: var(--card-bg);
  padding: 20px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.chart-card h3 {
  margin-bottom: 15px;
  color: var(--text-secondary);
}

/* Components */
.components-overview {
  background: var(--card-bg);
  padding: 20px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

.components-list {
  display: grid;
  gap: 15px;
  margin-top: 15px;
}

.component-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
  background: var(--darker-bg);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.component-info {
  flex: 1;
}

.component-name {
  font-weight: bold;
  margin-bottom: 5px;
}

.component-status {
  font-size: 12px;
  color: var(--text-secondary);
}

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

/* Component Cards */
.component-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 20px;
}

.component-card {
  background: var(--card-bg);
  border-radius: 10px;
  padding: 25px;
  border: 1px solid var(--border-color);
}

.component-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 15px;
}

.component-card h3 {
  font-size: 20px;
  margin-bottom: 5px;
}

.component-card-status {
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: bold;
}

.component-card-status.running {
  background: var(--success-color);
  color: white;
}

.component-card-status.stopped {
  background: var(--danger-color);
  color: white;
}

.component-card-body {
  margin-bottom: 15px;
}

.component-card-footer {
  display: flex;
  gap: 10px;
}

/* Buttons */
.btn {
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.3s;
}

.btn-primary {
  background: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background: #0097e6;
}

.btn-success {
  background: var(--success-color);
  color: white;
}

.btn-danger {
  background: var(--danger-color);
  color: white;
}

.btn-danger:hover {
  background: #c0392b;
}

.btn-block {
  width: 100%;
  margin-bottom: 10px;
}

.btn-icon {
  padding: 8px 12px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  font-size: 18px;
}

/* Task Buttons */
.task-types {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
  margin: 20px 0;
}

.task-btn {
  padding: 20px;
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 16px;
  color: var(--text-primary);
}

.task-btn:hover {
  border-color: var(--primary-color);
  background: var(--darker-bg);
}

/* Network Graph */
.network-graph {
  background: var(--card-bg);
  border-radius: 10px;
  height: calc(100vh - 250px);
  border: 1px solid var(--border-color);
}

.network-controls {
  margin-bottom: 20px;
  display: flex;
  gap: 10px;
}

/* Logs */
.logs-container {
  background: var(--darker-bg);
  border-radius: 10px;
  padding: 20px;
  height: calc(100vh - 250px);
  overflow-y: auto;
  font-family: 'Courier New', monospace;
  font-size: 12px;
  border: 1px solid var(--border-color);
}

.log-entry {
  margin-bottom: 5px;
  padding: 5px;
}

.log-entry.stdout {
  color: #2ecc71;
}

.log-entry.stderr {
  color: #e74c3c;
}

.logs-controls {
  margin-bottom: 20px;
  display: flex;
  gap: 10px;
}

/* Inputs */
.input, .select {
  padding: 10px;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 14px;
}

/* Settings */
.settings-content {
  max-width: 600px;
}

.settings-group {
  margin-bottom: 20px;
}

.settings-group label {
  display: block;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: var(--card-bg);
  padding: 30px;
  border-radius: 10px;
  min-width: 500px;
  max-width: 80%;
  max-height: 80%;
  overflow-y: auto;
  border: 1px solid var(--border-color);
}

.modal-close {
  float: right;
  font-size: 28px;
  cursor: pointer;
  color: var(--text-secondary);
}

.modal-close:hover {
  color: var(--text-primary);
}

/* Monitoring */
.monitoring-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
}

.monitor-card {
  background: var(--card-bg);
  padding: 20px;
  border-radius: 10px;
  border: 1px solid var(--border-color);
}

/* Task History */
.task-history {
  background: var(--card-bg);
  padding: 20px;
  border-radius: 10px;
  margin-top: 20px;
  border: 1px solid var(--border-color);
}

.task-item {
  padding: 15px;
  background: var(--darker-bg);
  border-radius: 8px;
  margin-bottom: 10px;
  border: 1px solid var(--border-color);
}

.task-item-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

.task-status {
  padding: 4px 10px;
  border-radius: 15px;
  font-size: 11px;
  font-weight: bold;
}

.task-status.completed {
  background: var(--success-color);
}

.task-status.running {
  background: var(--warning-color);
}

.task-status.failed {
  background: var(--danger-color);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--darker-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}