:root {
    --neon-green: #a4d007;
    --dark-bg: #1d1d1d;
    --darker-bg: #151515;
    --text-color: #ffffff;
    --border-color: #2a2a2a;
}

body {
    margin: 0;
    padding: 0;
    background-color: var(--dark-bg);
    color: var(--text-color);
    font-family: Arial, sans-serif;
    min-height: 100vh;
}

/* Logo styling */
.logo {
    margin: 40px auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.logo img {
    max-width: 200px;
}

/* Main content container */
.content-container {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

/* Topic box styling */
.topic-box {
    background-color: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5),
                0 0 20px rgba(0, 0, 0, 0.3);
}

.topic-box .message-header {
    margin: 0;
}

/* Message box styling */
.message-box {
    background-color: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    margin-bottom: 25px;
    overflow: visible;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5),
                0 0 20px rgba(0, 0, 0, 0.3);
    position: relative;
    padding-bottom: 12px;
}

.message-box::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background-color: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Footer box styling */
.footer-box {
    background-color: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    margin-bottom: 25px;
    overflow: visible;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5),
                0 0 20px rgba(0, 0, 0, 0.3);
    position: relative;
    height: 30px;
    padding-bottom: 12px;
}

.footer-box::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 40%;
    height: 2px;
    background-color: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3),
                0 0 10px rgba(164, 208, 7, 0.2);
}

.footer-box .message-content {
    padding: 8px 15px;
    font-size: 12px;
    border-top: none;
}

.message-header {
    background-color: var(--neon-green);
    color: var(--darker-bg);
    padding: 8px 15px;
    font-weight: bold;
    font-size: 14px;
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.2);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    position: relative;
    margin-bottom: 0;
}

.message-content {
    padding: 12px 15px;
    color: #888888;
    font-size: 13px;
    line-height: 1.4;
    position: relative;
    background: linear-gradient(to bottom, 
                              var(--darker-bg) 0%,
                              rgba(15, 15, 15, 0.98) 100%);
    margin: 0;
    border-top: 1px solid var(--border-color);
}

/* Navigation styling */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(10, 10, 10, 0.95);
    border-bottom: 1px solid var(--border-color);
    padding: 10px 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.nav-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    gap: 20px;
    padding: 0 20px;
}

.nav-item {
    color: var(--text-color);
    text-decoration: none;
    font-size: 14px;
    padding: 5px 15px;
    border-radius: 3px;
    transition: all 0.2s ease;
}

.nav-item:hover {
    background-color: rgba(164, 208, 7, 0.1);
    color: var(--neon-green);
}

.nav-item.active {
    background-color: var(--neon-green);
    color: var(--darker-bg);
    font-weight: bold;
}

/* Login form styling */
.login-container {
    background-color: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    padding: 20px;
    width: 300px;
    position: fixed;
    right: 20px;
    top: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5),
                0 0 20px rgba(0, 0, 0, 0.3);
    z-index: 100;
}

.login-form input {
    width: calc(100% - 16px);
    padding: 8px;
    margin-bottom: 10px;
    background-color: var(--dark-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 3px;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.3);
}

.login-form input:focus {
    outline: none;
    border-color: var(--neon-green);
    box-shadow: 0 0 5px rgba(164, 208, 7, 0.3);
}

/* Button styling */
.btn {
    display: inline-block;
    padding: 8px 15px;
    border: none;
    border-radius: 3px;
    font-weight: bold;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s ease;
}

.btn-login {
    background-color: var(--neon-green);
    color: var(--darker-bg);
    width: 100%;
    text-transform: uppercase;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-login:hover {
    background-color: #b3e208;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.btn-signup {
    background-color: transparent;
    color: var(--neon-green);
    border: 1px solid var(--neon-green);
    width: 100%;
    margin-top: 10px;
    text-transform: uppercase;
    box-shadow: 0 0 5px rgba(164, 208, 7, 0.2);
}

.btn-signup:hover {
    background-color: rgba(164, 208, 7, 0.1);
    box-shadow: 0 0 8px rgba(164, 208, 7, 0.3);
}

/* Text styling */
.text-green {
    color: var(--neon-green);
}

/* Shadow effects */
.box-shadow {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neon-green);
}

/* Message thread styling */
.message-thread {
    margin-top: 20px;
}

.message {
    background-color: var(--darker-bg);
    border: 1px solid var(--border-color);
    border-radius: 3px;
    margin-bottom: 10px;
    padding: 15px;
    color: #888888;
    font-size: 13px;
    line-height: 1.4;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

/* Chat specific styles */
.chat-input {
    padding: 15px;
    background: var(--darker-bg);
    border-top: 1px solid var(--border-color);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
}

.chat-input form {
    display: flex;
    gap: 10px;
}

.chat-input input {
    flex: 1;
    padding: 8px;
    background-color: var(--dark-bg);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 3px;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.3);
}

.chat-input input:focus {
    outline: none;
    border-color: var(--neon-green);
    box-shadow: 0 0 5px rgba(164, 208, 7, 0.3);
}

.chat-input button {
    padding: 8px 20px;
}

/* Responsive design */
@media (max-width: 768px) {
    .content-container {
        padding: 15px;
        margin-top: 60px;
    }

    .login-container {
        position: static;
        width: calc(100% - 40px);
        max-width: 300px;
        margin: 20px auto;
    }

    .logo {
        margin: 20px auto;
    }

    .nav-content {
        flex-wrap: wrap;
        gap: 10px;
    }

    .nav-item {
        font-size: 13px;
        padding: 4px 12px;
    }
}

/* Message animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message {
    animation: fadeIn 0.3s ease-out;
}