:root {
  --bg-color: #121212;
  --panel-bg: #1a1a1a;
  --border-color: #333;
  --text-color: #a0a0a0;
  --accent-color: #666;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'Courier New', Courier, monospace;
  font-size: 13px;
  /* Scanline effect overlay */
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), 
              linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
  background-size: 100% 2px, 3px 100%;
}

.blog-container {
  display: flex;
  max-width: 900px;
  margin: 50px auto;
  gap: 20px;
}

/* Sidebar & Entry Box */
.sidebar { width: 250px; }

.entry-box {
  border: 1px solid var(--border-color);
  background: var(--panel-bg);
  padding: 10px;
  margin-bottom: 20px;
  height: 200px;
  overflow-y: auto;
}

.entry-box h3 {
  border-bottom: 1px solid var(--border-color);
  margin-top: 0;
  padding-bottom: 5px;
  font-size: 14px;
  letter-spacing: 2px;
}

/* Tab Labels */
.tab-label {
  display: block;
  padding: 15px;
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  margin-bottom: 5px;
  cursor: pointer;
  text-align: center;
  border-radius: 10px 0 0 10px;
  transition: 0.3s;
}

.tab-label:hover { background: #252525; }

/* Main Content Styling */
.main-content {
  flex-grow: 1;
  border: 1px solid var(--border-color);
  border-radius: 20px;
  background: var(--panel-bg);
  padding: 20px;
  position: relative;
}

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

.header-image-placeholder {
  flex-grow: 1;
  border: 1px solid var(--border-color);
  padding: 10px;
  margin-right: 15px;
  text-align: center;
}

.profile-icon {
  width: 80px;
  height: 80px;
  border: 4px solid var(--border-color);
  border-radius: 50%;
  background: #222;
}

/* Post Styling */
.post {
  border: 1px solid var(--border-color);
  padding: 15px;
  margin-bottom: 15px;
}

.post h4 {
  margin-top: 0;
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
}

.post a {
  color: #888;
  text-decoration: none;
  font-style: italic;
}

input[type="radio"] {
  display: none;
}

.panel {
  display: none;
  max-height: 500px;
  overflow-y: auto;
}

#tab1:checked ~ .tab-panels #content1 { display: block; }
#tab2:checked ~ .tab-panels #content2 { display: block; }
#tab3:checked ~ .tab-panels #content3 { display: block; }
#tab4:checked ~ .tab-panels #content4 { display: block; }
#tab5:checked ~ .tab-panels #content5 { display: block; }

.header-image-placeholder {
  display: none;
}

#tab1:checked ~ .header-strip .header1 { display: block; }
#tab2:checked ~ .header-strip .header2 { display: block; }
#tab3:checked ~ .header-strip .header3 { display: block; }
#tab4:checked ~ .header-strip .header4 { display: block; }
#tab5:checked ~ .header-strip .header5 { display: block; }


/* Scrollbar Aesthetic */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #111; }
::-webkit-scrollbar-thumb { background: #333; }