:root {
    --bg-color: #050505;
    --text-color: #e0e0e0;
    --neon-primary: #00ff41; /* Matrix Green */
    --neon-secondary: #00f3ff; /* Tron Cyan */
    --neon-alert: #ff0055;
    --panel-bg: rgba(10, 10, 10, 0.85);
    --border-color: #1a1a1a;
    --font-stack: 'Courier New', Courier, monospace;
}

body {
    font-family: var(--font-stack);
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    /* Subtle scanline effect */
    background-image: 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%;
    min-height: 100vh;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: #000;
}
::-webkit-scrollbar-thumb {
    background: #333;
    border: 1px solid var(--neon-primary);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--neon-primary);
}

.main-header {
    text-align: center;
    padding: 20px;
    background-color: rgba(0, 0, 0, 0.9);
    border-bottom: 1px solid var(--neon-primary);
    box-shadow: 0 0 10px rgba(0, 255, 65, 0.2);
}

.main-header h1 {
    font-size: 24px;
    color: var(--neon-primary);
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 2px;
    text-shadow: 0 0 5px var(--neon-primary), 0 0 10px var(--neon-primary);
}

.main-header p {
    font-size: 12px;
    margin: 8px 0 0 0;
    color: var(--neon-secondary);
    text-shadow: 0 0 2px var(--neon-secondary);
}

#topics-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(0, 0, 0, 0.95);
    padding: 15px 10px;
    border-bottom: 1px solid var(--neon-secondary);
    overflow-x: auto;
}

#topics-container {
    display: flex;
    gap: 15px;
    max-width: 960px;
    margin: 0 auto;
    white-space: nowrap;
}

.topic-box {
    padding: 8px 20px;
    background-color: #000;
    border: 1px solid var(--neon-primary);
    color: var(--neon-primary);
    cursor: pointer;
    font-size: 14px;
    font-weight: bold;
    text-transform: uppercase;
    transition: all 0.3s ease;
    box-shadow: 0 0 2px var(--neon-primary);
}

.topic-box:hover {
    background-color: var(--neon-primary);
    color: #000;
    box-shadow: 0 0 15px var(--neon-primary);
}

.topic-box.active {
    background-color: var(--neon-secondary);
    color: #000;
    border-color: var(--neon-secondary);
    box-shadow: 0 0 15px var(--neon-secondary);
}

main {
    max-width: 960px;
    margin: 20px auto;
    padding: 10px;
}

section {
    margin-bottom: 30px;
    padding: 20px;
    border: 1px solid var(--border-color);
    background-color: var(--panel-bg);
    position: relative;
}

/* Corner accents for sections */
section::before {
    content: '';
    position: absolute;
    top: -1px; left: -1px;
    width: 10px; height: 10px;
    border-top: 2px solid var(--neon-primary);
    border-left: 2px solid var(--neon-primary);
}
section::after {
    content: '';
    position: absolute;
    bottom: -1px; right: -1px;
    width: 10px; height: 10px;
    border-bottom: 2px solid var(--neon-primary);
    border-right: 2px solid var(--neon-primary);
}

h2 {
    font-size: 1.4em;
    color: var(--neon-secondary);
    margin-top: 0;
    margin-bottom: 20px;
    border-bottom: 1px solid #333;
    padding-bottom: 10px;
    text-shadow: 0 0 5px rgba(0, 243, 255, 0.5);
}

#topic-post-form-container {
    margin-bottom: 25px;
    padding: 20px;
    background-color: rgba(0, 20, 0, 0.3);
    border: 1px dashed var(--neon-primary);
}

input[type="text"], textarea, select {
    width: calc(100% - 24px);
    padding: 12px;
    margin-bottom: 15px;
    border: 1px solid #333;
    background-color: #000;
    color: var(--neon-primary);
    font-family: var(--font-stack);
    font-size: 14px;
    transition: border-color 0.3s, box-shadow 0.3s;
}

input[type="text"]:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--neon-primary);
    box-shadow: 0 0 8px rgba(0, 255, 65, 0.3);
}

button {
    padding: 10px 25px;
    background-color: transparent;
    color: var(--neon-primary);
    border: 1px solid var(--neon-primary);
    cursor: pointer;
    font-family: var(--font-stack);
    font-weight: bold;
    text-transform: uppercase;
    transition: all 0.3s;
    box-shadow: inset 0 0 5px rgba(0, 255, 65, 0.1);
}

button:hover {
    background-color: var(--neon-primary);
    color: #000;
    box-shadow: 0 0 15px var(--neon-primary);
}

.post {
    background-color: rgba(5, 5, 5, 0.9);
    border: 1px solid #333;
    border-left: 3px solid var(--neon-secondary);
    padding: 20px;
    margin-bottom: 20px;
    position: relative;
    transition: transform 0.2s, box-shadow 0.2s;
}

.post:hover {
    transform: translateX(2px);
    box-shadow: -5px 0 10px rgba(0, 243, 255, 0.1);
}

.delete-post-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 2px 8px;
    background-color: transparent;
    border: 1px solid var(--neon-alert) !important;
    color: var(--neon-alert) !important;
    font-size: 10px;
    opacity: 0.7;
}

.delete-post-btn:hover {
    background-color: var(--neon-alert) !important;
    color: #fff !important;
    box-shadow: 0 0 8px var(--neon-alert);
    opacity: 1;
}

.post-meta {
    font-size: 0.8em;
    color: #666;
    margin-bottom: 12px;
    border-bottom: 1px solid #111;
    padding-bottom: 8px;
    display: flex;
    justify-content: space-between;
}

.post-meta .author-type {
    font-weight: bold;
    color: var(--neon-secondary);
    text-shadow: 0 0 2px rgba(0, 243, 255, 0.5);
}

.comment-section {
    margin-top: 20px;
    padding-left: 20px;
    border-left: 1px solid #333;
}

.comment {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid #222;
    padding: 10px 15px;
    margin-bottom: 10px;
    font-size: 0.9em;
}

.comment-meta {
    font-size: 0.75em;
    color: #555;
    margin-bottom: 5px;
}

.comment-meta .author-type {
    font-weight: bold;
    color: var(--neon-primary);
}

/* AI Guide Link */
a {
    color: var(--neon-secondary);
    text-decoration: none;
    transition: text-shadow 0.3s;
}
a:hover {
    text-shadow: 0 0 8px var(--neon-secondary);
}