.admin-layout {
  display: flex;
  min-height: 100vh;
  background-color: var(--paper-color);
  background-image: var(--paper-texture);
}

.admin-sidebar {
  width: 250px;
  background-color: var(--wood-medium);
  color: var(--paper-color);
  padding: 1.5em 0;
  position: relative;
  box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
  z-index: 100;
}

.admin-logo {
  padding: 0 1.5em 1.5em;
  border-bottom: 2px solid var(--wood-dark);
  margin-bottom: 1.5em;
}

.admin-logo h2 {
  font-size: 1.5rem;
  text-align: center;
  position: relative;
}

.admin-logo h2 a {
  color: var(--paper-color);
  text-decoration: none;
}

.admin-logo h2::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background: var(--paper-color);
}

.admin-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.admin-nav li {
  margin: 0.5em 0;
}

.admin-nav a {
  display: block;
  padding: 0.8em 1.5em;
  color: var(--paper-color);
  text-decoration: none;
  transition: var(--transition);
  position: relative;
  border-left: 3px solid transparent;
}

.admin-nav a:hover,
.admin-nav a.active {
  background-color: rgba(255, 255, 255, 0.1);
  border-left-color: var(--paper-color);
}

.admin-nav a::before {
  content: "•";
  margin-right: 0.8em;
  color: var(--paper-color);
  opacity: 0.6;
}

.admin-main {
  flex: 1;
  padding: 2em;
  background-color: rgba(245, 240, 230, 0.5);
}

.admin-content {
  max-width: 1200px;
  margin: 0 auto;
  background-color: var(--paper-dark);
  border: 1px solid var(--wood-medium);
  border-radius: var(--border-radius);
  padding: 2em;
  box-shadow: var(--box-shadow);
  position: relative;
}

.admin-content::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 15px;
  background: var(--stitching-pattern);
  background-size: 8px 1px;
  opacity: 0.3;
}

@media (max-width: 768px) {
  .admin-layout {
    flex-direction: column;
  }

  .admin-sidebar {
    width: 100%;
    padding: 1em 0;
  }

  .admin-nav {
    display: flex;
    overflow-x: auto;
  }

  .admin-nav li {
    white-space: nowrap;
  }

  .admin-main {
    padding: 1em;
  }
}