:root {
  --air-force-blue: #628395;
  --burnt-umber: #99281e;
  --space-cadet: #2e294e;
  --platinum: #e6e6ea;
  --ghost-white: #f4f4f8;
  --indian-red: #dd6055;
}

/* Reset default styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  color: var(--space-cadet);
  background-color: var(--air-force-blue);
  min-height: 100vh;
}

.layout-container {
  display: flex;
  min-height: 100vh;
  background-color: var(--ghost-white);
}

.sidebar {
  width: 300px;
  padding: 2rem;
  background-color: var(--platinum);
  box-shadow: 2px 0 5px rgba(0,0,0,0.1);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  position: sticky;
  top: 0;
  height: 100vh;
}

.main-content {
  flex: 1;
  padding: 2rem 3rem;
  max-width: 800px;
  background-color: var(--ghost-white);
}

.logo {
  max-width: 100%;
  height: auto;
  display: block;
}

h1 {
  color: var(--burnt-umber);
  margin-bottom: 1rem;
  font-size: 2.5em;
}

h2 {
  color: var(--burnt-umber);
  margin-bottom: 1.5rem;
  font-size: 2em;
}

p {
  margin-bottom: 1rem;
}

.notice {
  background-color: var(--air-force-blue);
  color: var(--ghost-white);
  padding: 1rem;
  border-radius: 4px;
  margin: 1rem 0;
}

.notice strong {
  color: var(--ghost-white);
}

strong {
  color: var(--burnt-umber);
}

a {
  color: var(--air-force-blue);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

footer {
  color: var(--space-cadet);
  font-size: 0.9em;
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--platinum);
  opacity: 0.9;
}

/* Responsive design */
@media (max-width: 768px) {
  .layout-container {
    flex-direction: column;
  }

  .sidebar {
    width: 100%;
    height: auto;
    position: static;
    padding: 1.5rem;
  }

  .main-content {
    padding: 1.5rem;
  }

  .logo {
    max-width: 200px;
    margin: 0 auto;
  }
}