/* Import Fira Code for that terminal look */
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;700&display=swap');

:root {
    --bg-color: #020202; /* Darker black */
    --bg-secondary: #0a0a0a;
    --term-green: #00ff41; /* Brighter neon green */
    --term-green-dim: rgba(0, 255, 65, 0.2);
    --term-red: #ff3333;
    --font-stack: 'Fira Code', 'Courier New', monospace;
    --glow-spread: 10px;
}

body {
    background-color: var(--bg-color);
    /* The Grid Pattern */
    background-image: 
        linear-gradient(rgba(0, 255, 65, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 255, 65, 0.05) 1px, transparent 1px);
    background-size: 30px 30px;
    color: var(--term-green);
    font-family: var(--font-stack);
    margin: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    letter-spacing: 0.5px;
}

/* --- UTILITIES --- */
.hidden { display: none !important; }
.glow-text { text-shadow: 0 0 var(--glow-spread) var(--term-green); }
.glow-red { text-shadow: 0 0 var(--glow-spread) var(--term-red); color: var(--term-red) !important; }

/* --- LAYOUT CONTAINERS --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
    flex: 1; /* Fills space between header and footer */
    display: flex;
    flex-direction: column;
}

.main-content {
    justify-content: center; /* Centers vertical content */
}

.screen {
    display: flex;
    flex-direction: column;
    gap: 25px;
    width: 100%;
}

.centered-screen {
    align-items: center;
    text-align: center;
}

.full-height {
    height: 100%;
    justify-content: space-between;
}

/* --- HEADERS & FOOTERS --- */
.site-header {
    display: flex;
    justify-content: space-between;
    padding: 15px 30px;
    border-bottom: 1px solid var(--term-green-dim);
    font-size: 0.9em;
    letter-spacing: 1px;
}

.status-dot {
    height: 10px; width: 10px;
    background-color: var(--term-green);
    border-radius: 50%;
    display: inline-block;
    margin-left: 8px;
    box-shadow: 0 0 8px var(--term-green);
}

.site-footer {
    text-align: center;
    padding: 15px;
    font-size: 0.7em;
    opacity: 0.7;
    letter-spacing: 2px;
    border-top: 1px solid var(--term-green-dim);
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4 { margin: 0; font-weight: 700; text-transform: uppercase; }

.mega-title {
    font-size: 3em;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.hero-list {
    list-style: none;
    padding: 0;
    text-align: left;
    margin-bottom: 40px;
    font-size: 1.1em;
}
.hero-list li { margin-bottom: 10px; opacity: 0.9; }

.welcome-text { font-size: 1.2em; margin-bottom: 30px; }

/* --- INPUTS & BUTTONS --- */
.input-group {
    margin-bottom: 15px;
    width: 100%;
}

input {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--term-green);
    color: var(--term-green);
    padding: 15px;
    font-family: var(--font-stack);
    font-size: 1em;
    outline: none;
    width: 100%;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

input:focus {
    box-shadow: 0 0 15px var(--term-green-dim);
    background: rgba(0, 20, 0, 0.8);
}

button {
    font-family: var(--font-stack);
    cursor: pointer;
    font-weight: bold;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

/* The big green glowing buttons */
.btn-hero {
    background: transparent;
    color: var(--term-green);
    border: 2px solid var(--term-green);
    padding: 15px 30px;
    font-size: 1.1em;
    width: 100%;
    box-shadow: 0 0 5px var(--term-green-dim);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-hero:hover {
    background: var(--term-green);
    color: #000;
    box-shadow: 0 0 20px var(--term-green);
}

.btn-small { padding: 10px 20px; font-size: 0.9em; width: auto; }

/* Outline buttons (Logout, Leave) */
.btn-outline {
    background: transparent;
    color: var(--term-green);
    border: 1px solid var(--term-green-dim);
    padding: 8px 15px;
}
.btn-outline:hover { border-color: var(--term-green); background: var(--term-green-dim); }

.btn-danger { border-color: var(--term-red); color: var(--term-red); }
.btn-danger:hover { background: var(--term-red); color: #000; box-shadow: 0 0 15px var(--term-red); }


/* --- CYBER BOXES (The containers for forms and features) --- */
.cyber-box {
    background: rgba(10, 10, 10, 0.8);
    border: 1px solid var(--term-green-dim);
    padding: 30px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
}

.identity-box { max-width: 500px; width: 100%; }
.identity-box h3 { margin-bottom: 25px; text-align: left; }


/* --- LOBBY GRID SYSTEM --- */
.hero-buttons {
    display: flex;
    gap: 30px;
    width: 100%;
    margin-bottom: 50px;
}

.action-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
}
.action-panel h3 { margin-bottom: 10px; font-size: 1.3em; }


.features-grid {
    display: flex;
    gap: 30px;
    width: 100%;
}

.feature-box {
    flex: 1;
    border: 1px solid var(--term-green-dim);
    padding: 25px;
    background: rgba(0, 15, 0, 0.3);
}
.feature-box h4 { color: var(--term-green); margin-bottom: 15px; }
.feature-box p { opacity: 0.8; font-size: 0.9em; line-height: 1.5; }


/* --- CHAT SCREEN SPECIFICS --- */
.chat-header, .lobby-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--term-green-dim);
    padding-bottom: 15px;
}

.room-info { display: flex; align-items: center; gap: 15px; }

.timer { font-size: 1.2em; font-weight: bold; }

#chat-box {
    flex-grow: 1;
    overflow-y: auto;
    border: 1px solid var(--term-green-dim);
    padding: 20px;
    margin: 20px 0;
    background: rgba(0, 0, 0, 0.6);
    scroll-behavior: smooth; 
    height: 50vh; /* Fixed height for scroll */
}

/* Scrollbar styling */
#chat-box::-webkit-scrollbar { width: 8px; }
#chat-box::-webkit-scrollbar-track { background: #000; }
#chat-box::-webkit-scrollbar-thumb { background: var(--term-green-dim); border-radius: 4px; }
#chat-box::-webkit-scrollbar-thumb:hover { background: var(--term-green); }

.message { margin-bottom: 12px; width: 100%; }
.message .user { font-weight: bold; margin-right: 8px; }
.message .text { opacity: 0.9; word-wrap: break-word; white-space: pre-wrap; }
.sys-msg { color: var(--term-green-dim); font-style: italic; border-left: 2px solid var(--term-green-dim); padding-left: 10px; }

.input-area { display: flex; gap: 15px; margin-top: 10px; }

.typing-text { color: var(--term-green-dim); font-style: italic; font-size: 0.9em; min-height: 1.2em;}

#btn-copy-id, .host-tag, .admin-tag {
    border: 1px solid var(--term-green-dim);
    padding: 4px 8px;
    font-size: 0.8em;
    text-transform: uppercase;
}
#btn-copy-id:hover { background: var(--term-green); color: black; }
.admin-tag { border-color: var(--term-red); color: var(--term-red); }


/* --- MODAL FIX (CENTERING) --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;   /* Force full viewport width */
    height: 100vh;  /* Force full viewport height */
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
    
    /* THE FIX: Flexbox Centering */
    display: flex;
    justify-content: center; /* Horizontally Center */
    align-items: center;     /* Vertically Center */
    
    z-index: 10000;
}

.modal-box { 
    text-align: center; 
    border: 2px solid var(--term-green); 
    max-width: 450px; 
    width: 90%;
    /* Remove any top margin to let Flexbox handle the centering */
    margin: 0; 
    box-shadow: 0 0 30px rgba(0, 255, 65, 0.2);
}

#modal-title { border-bottom: 1px solid var(--term-green-dim); padding-bottom: 15px; margin-bottom: 20px; }
.modal-buttons { display: flex; justify-content: center; gap: 20px; margin-top: 25px; }


/* --- RESPONSIVE MEDIA QUERIES --- */
@media (max-width: 768px) {
    .mega-title { font-size: 2em; }
    
    /* Stack the hero buttons and feature boxes vertically on mobile */
    .hero-buttons, .features-grid {
        flex-direction: column;
        gap: 20px;
    }

    .site-header { padding: 10px 15px; font-size: 0.8em; }
    
    /* Adjust chat header for small screens */
    .chat-header { flex-direction: column; gap: 15px; align-items: flex-start; }
    .controls { width: 100%; justify-content: space-between; }
    .room-info { flex-wrap: wrap; }
}