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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: #0d1117;
  color: #c9d1d9;
  height: 100vh;
  overflow: hidden;
}

.app-layout {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.app-header {
  height: 56px;
  background-color: #161b22;
  border-bottom: 1px solid #30363d;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.header-brand h1 {
  font-size: 1.1rem;
  color: #f0f6fc;
}

.status-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #238636;
}

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

.tab-btn {
  background: transparent;
  border: 1px solid transparent;
  color: #8b949e;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
}

.tab-btn.active {
  background-color: #1f6feb;
  color: #ffffff;
}

.app-main {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.view-panel {
  display: none;
  height: 100%;
  padding: 20px;
  overflow-y: auto;
}

.view-panel.active {
  display: flex;
  flex-direction: column;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.action-btn {
  background-color: #21262d;
  border: 1px solid #30363d;
  color: #c9d1d9;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
}

.action-btn.primary { background-color: #238636; color: #fff; border-color: rgba(240,246,252,0.1); }
.action-btn.success { background-color: #1f6feb; color: #fff; }
.action-btn.danger { background-color: #da3633; color: #fff; }
.action-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.accounts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.account-card {
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 6px;
  padding: 16px;
}

.account-card h3 {
  font-size: 1rem;
  color: #58a6ff;
  margin-bottom: 8px;
  word-break: break-all;
}

.browser-controls {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
  align-items: center;
}

.browser-controls input, .form-group input {
  background: #0d1117;
  border: 1px solid #30363d;
  color: #c9d1d9;
  padding: 8px 12px;
  border-radius: 6px;
  outline: none;
}

.vnc-container {
  flex: 1;
  background: #000;
  border: 1px solid #30363d;
  border-radius: 6px;
  overflow: hidden;
}

.vnc-container iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.form-card {
  max-width: 500px;
  margin: 40px auto;
  background: #161b22;
  border: 1px solid #30363d;
  border-radius: 8px;
  padding: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}