@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg-color: #f3f6f8;
  --panel-bg: rgba(255, 255, 255, 0.9);
  --panel-border: rgba(0, 0, 0, 0.08);
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --accent-color: #3b82f6;
  --accent-hover: #2563eb;
  --error-color: #ef4444;
  --success-color: #10b981;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  background-image: radial-gradient(circle at top right, rgba(59, 130, 246, 0.15) 0%, transparent 40%),
                    radial-gradient(circle at bottom left, rgba(16, 185, 129, 0.1) 0%, transparent 40%);
  background-attachment: fixed;
}

.glass-panel {
  background: var(--panel-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--panel-bg);
  color: var(--text-primary);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.btn:hover:not(:disabled) {
  background-color: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.12);
}

.btn-primary {
  background-color: var(--accent-color);
  color: #fff;
  border: none;
  box-shadow: 0 0 16px rgba(88, 166, 255, 0.3);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--accent-hover);
  box-shadow: 0 0 24px rgba(88, 166, 255, 0.5);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.input-field {
  width: 100%;
  background: #ffffff;
  border: 1px solid var(--panel-border);
  color: var(--text-primary);
  padding: 12px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 14px;
  transition: border-color 0.2s;
}

.input-field:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.2);
}

.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.header h1 {
  font-size: 28px;
  font-weight: 700;
  background: linear-gradient(90deg, #1f2937, #6b7280);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.grid-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 900px) {
  .grid-layout {
    grid-template-columns: 1fr 1fr;
  }
}

.terminal-container {
  background: #000;
  border-radius: 8px;
  padding: 16px;
  font-family: 'Consolas', 'Monaco', monospace;
  font-size: 13px;
  height: 300px;
  overflow-y: auto;
  color: #a5d6ff;
  border: 1px solid rgba(0,0,0,0.1);
  margin-bottom: 16px;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.terminal-input-group {
  display: flex;
  gap: 12px;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

.status-badge.connected {
  color: var(--success-color);
  background: rgba(46, 160, 67, 0.1);
  border-color: rgba(46, 160, 67, 0.2);
}

.status-badge.disconnected {
  color: var(--error-color);
  background: rgba(248, 81, 73, 0.1);
  border-color: rgba(248, 81, 73, 0.2);
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: currentColor;
}

.status-indicator.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(46, 160, 67, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(46, 160, 67, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(46, 160, 67, 0); }
}

.file-drop-area {
  border: 2px dashed rgba(0,0,0,0.15);
  border-radius: 8px;
  padding: 40px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  background: rgba(255,255,255,0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.file-drop-area:hover, .file-drop-area.drag-over {
  border-color: var(--accent-color);
  background: rgba(88, 166, 255, 0.05);
}

.file-drop-icon {
  color: var(--text-secondary);
  width: 48px;
  height: 48px;
  margin-bottom: 8px;
}

.hidden-input {
  display: none;
}

.nav-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--panel-border);
  padding-bottom: 1px;
}

.nav-tab {
  background: transparent;
  color: var(--text-secondary);
  border: none;
  font-size: 15px;
  font-weight: 500;
  padding: 12px 20px;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
  font-family: inherit;
}

.nav-tab:hover {
  color: var(--text-primary);
}

.nav-tab.active {
  color: var(--accent-color);
  border-bottom-color: var(--accent-color);
}

.tab-content {
  display: none;
  animation: fadeIn 0.3s ease;
  margin-top: 24px;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}