:root {
            /* Default Theme: Green Phosphor */
            --terminal-main: #33ff00;
            --terminal-glow: #33ff00;
            --terminal-bg: #0a0a0a;
            --bezel-color: #222;
            
            /* Secondary colors */
            --system-color: #ffaa00; 
            --chat-color: #00ccff;
            --error-color: #ff3333;
            --radio-color: #ff33cc;
        }

        body {
            margin: 0;
            padding: 0;
            background-color: var(--terminal-bg);
            height: 100dvh; 
            width: 100vw;
            font-family: 'VT323', monospace;
            overflow: hidden;
        }

        .crt-container {
            width: 100%;
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .bezel-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            border: 25px solid var(--bezel-color);
            border-radius: 20px;
            box-shadow: inset 0 0 20px #000;
            pointer-events: none;
            z-index: 20;
        }

        .crt-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            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% 4px, 3px 100%;
            pointer-events: none;
            z-index: 10;
            animation: flicker 0.15s infinite;
        }

        .crt-overlay::before {
            content: " ";
            display: block;
            position: absolute;
            top: 0;
            left: 0;
            bottom: 0;
            right: 0;
            background: radial-gradient(circle, rgba(0,0,0,0) 60%, rgba(0,0,0,0.4) 100%);
            z-index: 10;
        }

        /* Flash Animation for Notifications */
        @keyframes screen-flash {
            0% { background-color: transparent; }
            50% { background-color: rgba(255, 51, 51, 0.3); }
            100% { background-color: transparent; }
        }

        .notification-flash {
            animation: screen-flash 0.5s ease-in-out;
        }

        .terminal-content {
            height: 100%;
            width: 100%;
            padding: 40px;
            box-sizing: border-box;
            color: var(--terminal-main);
            text-shadow: 0 0 4px var(--terminal-glow);
            font-size: 1.5rem;
            display: flex;
            flex-direction: column;
            position: relative;
            z-index: 1;
            overflow: hidden; 
        }

        /* Scrollbar styles */
        #chat-history::-webkit-scrollbar { width: 10px; }
        #chat-history::-webkit-scrollbar-track { background: #000; }
        #chat-history::-webkit-scrollbar-thumb { background-color: var(--terminal-main); border: 2px solid #000; }

        #chat-history {
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            padding-bottom: 20px;
            overflow-y: auto; 
            min-height: 0; 
            padding-right: 10px; 
        }

        /* Flexible bottom alignment */
        #chat-history > :first-child {
            margin-top: auto;
        }

        .message-line {
            margin-bottom: 0.5rem;
            word-wrap: break-word;
            line-height: 1.4;
            opacity: 0;
            animation: fadeIn 0.1s forwards;
            max-width: 90%;
            white-space: pre-wrap; 
            transition: opacity 0.5s ease-out;
            flex-shrink: 0; 
        }

        .highlight-mention {
            background-color: var(--terminal-main);
            color: var(--terminal-bg);
            padding: 0 4px;
            font-weight: bold;
        }

        .ascii-art {
            white-space: pre;
            font-size: 0.6rem; /* Small font for high density */
            line-height: 0.6rem;
            overflow-x: auto; /* Allow scrolling if needed */
            color: var(--terminal-main);
            margin: 10px 0;
            display: block;
            font-family: monospace;
            
            /* Hide scrollbar visuals */
            scrollbar-width: none; /* Firefox */
            -ms-overflow-style: none;  /* IE 10+ */
        }
        
        /* Hide scrollbar for Chrome/Safari/Opera */
        .ascii-art::-webkit-scrollbar { 
            display: none;
        }

        .system-msg { color: var(--system-color); text-shadow: 0 0 4px var(--system-color); }
        .chat-msg { color: var(--chat-color); text-shadow: 0 0 4px var(--chat-color); }
        .radio-msg { color: var(--radio-color); text-shadow: 0 0 4px var(--radio-color); }
        .error-msg { color: var(--error-color); text-shadow: 0 0 4px var(--error-color); }
        .user-prefix { font-weight: bold; margin-right: 0.5rem; }

        .status-dot { display: inline-block; margin-right: 8px; font-size: 1.2rem; }
        .status-online { color: var(--terminal-main); text-shadow: 0 0 5px var(--terminal-main); }
        .status-away { color: var(--system-color); text-shadow: 0 0 5px var(--system-color); }
        .status-busy { color: var(--error-color); text-shadow: 0 0 5px var(--error-color); }

        .burn-timer { color: var(--error-color); margin-left: 10px; font-size: 0.8em; font-weight: bold; }

        .input-line {
            display: flex;
            align-items: baseline; 
            border-top: 1px dashed rgba(51, 255, 0, 0.3);
            padding-top: 15px;
            padding-bottom: 5px;
            background-color: var(--terminal-bg); 
            position: relative;
            opacity: 0; 
            transition: opacity 0.5s;
            flex-shrink: 0; 
            z-index: 5;
        }

        .prompt { 
            margin-right: 15px; 
            font-weight: bold; 
            margin-top: 0; 
            white-space: nowrap;
        }

        .cmd-wrapper {
            position: relative;
            flex-grow: 1;
            display: flex;
            align-items: flex-start;
            min-height: 1.5rem; 
            height: auto;
        }

        #command-input {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            z-index: 10;
            cursor: text;
            font-family: 'VT323', monospace;
            font-size: 1.5rem;
            line-height: 1.5rem;
            border: none;
            outline: none;
            background: transparent;
            color: transparent;
            resize: none;
            overflow: hidden;
            white-space: pre-wrap; 
            word-break: break-all;
            padding: 0;
            margin: 0;
        }

        #cmd-display {
            font-family: 'VT323', monospace;
            font-size: 1.5rem;
            line-height: 1.5rem;
            color: var(--terminal-main);
            text-shadow: 0 0 4px var(--terminal-glow);
            white-space: pre-wrap; 
            word-break: break-all;
            pointer-events: none;
            display: block; 
            width: 100%;
            overflow: visible;
            min-height: 1.5rem;
        }

        #cmd-cursor {
            background-color: var(--terminal-main);
            color: var(--terminal-bg);
            animation: blink 1s step-end infinite;
            min-width: 1ch;
            display: inline-block;
            text-align: center;
            vertical-align: baseline; 
            line-height: 1;
        }

        .input-line:not(:focus-within) #cmd-cursor {
            background-color: transparent;
            color: var(--terminal-main);
            border: 1px solid var(--terminal-main);
            animation: none;
        }

        #autocomplete-menu {
            position: absolute;
            bottom: 100%; 
            left: 0;
            min-width: 200px;
            max-height: 250px;
            background-color: var(--terminal-bg);
            border: 1px solid var(--terminal-main);
            box-shadow: 0 0 10px rgba(0,0,0,0.8);
            display: none; 
            flex-direction: column;
            overflow-y: auto;
            z-index: 100;
        }
        
        #autocomplete-menu::-webkit-scrollbar { width: 5px; }
        #autocomplete-menu::-webkit-scrollbar-track { background: #000; }
        #autocomplete-menu::-webkit-scrollbar-thumb { background-color: var(--terminal-main); }

        .suggestion-item {
            padding: 5px 10px;
            color: var(--terminal-main);
            cursor: pointer;
            font-family: 'VT323', monospace;
            font-size: 1.3rem;
            border-bottom: 1px dotted rgba(51, 255, 0, 0.2);
        }

        .suggestion-item.selected, .suggestion-item:hover {
            background-color: var(--terminal-main);
            color: var(--terminal-bg);
        }

        /* --- TAB Button Styling --- */
        #tab-btn {
            background: transparent;
            border: 1px solid var(--terminal-main);
            color: var(--terminal-main);
            font-family: 'VT323', monospace;
            font-size: 1.2rem;
            padding: 0 10px;
            height: 1.5rem;
            margin-left: 10px;
            cursor: pointer;
            text-shadow: 0 0 4px var(--terminal-glow);
            box-shadow: 0 0 4px var(--terminal-glow);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            user-select: none;
            margin-top: 0;
            align-self: flex-end; /* Stick to bottom of input line */
        }

        #tab-btn:active {
            background: var(--terminal-main);
            color: var(--terminal-bg);
        }

        /* --- Profile Editor Overlay --- */
        #profile-editor-overlay {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 90%;
            max-width: 600px;
            background-color: var(--terminal-bg);
            border: 2px solid var(--terminal-main);
            z-index: 50;
            display: none; /* Hidden by default */
            flex-direction: column;
            padding: 2px;
            box-shadow: 0 0 20px rgba(0,0,0,0.9);
        }

        .editor-header {
            background-color: var(--terminal-main);
            color: var(--terminal-bg);
            text-align: center;
            padding: 5px;
            font-weight: bold;
            margin-bottom: 10px;
        }

        .editor-row {
            display: flex;
            justify-content: space-between;
            align-items: center; /* Better vertical alignment with input */
            padding: 8px 10px;
            border-bottom: 1px dotted rgba(51, 255, 0, 0.2);
            font-size: 1.2rem;
            cursor: pointer;
            user-select: none; 
        }

        .editor-row.active {
            background-color: rgba(51, 255, 0, 0.2);
        }
        
        .editor-row.editing .field-value {
            /* No longer blinking background for whole cell, using input style */
        }

        .field-label { width: 30%; font-weight: bold; }
        .field-value { 
            width: 65%; 
            white-space: pre-wrap; 
            word-break: break-all; 
            min-height: 1.5em; 
            border-bottom: 1px dashed var(--terminal-main); 
            display: flex; 
            align-items: center;
        }
        
        /* New Style for Inline Input */
        .terminal-inline-input {
            background: transparent;
            border: none;
            color: var(--terminal-main);
            font-family: 'VT323', monospace;
            font-size: 1.2rem;
            width: 100%;
            outline: none;
            padding: 0;
            margin: 0;
            text-shadow: 0 0 4px var(--terminal-glow);
        }

        .editor-actions {
            margin-top: 10px;
            display: flex;
            justify-content: center;
            gap: 20px;
            padding: 10px;
        }

        .action-btn {
            border: 1px solid var(--terminal-main);
            padding: 5px 15px;
            cursor: pointer;
            user-select: none;
        }
        
        .action-btn.active {
            background-color: var(--terminal-main);
            color: var(--terminal-bg);
        }

        @keyframes flicker {
            0% { opacity: 0.97; } 50% { opacity: 0.99; } 100% { opacity: 0.94; }
        }
        
        @keyframes blink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0; }
        }

        @keyframes fadeIn { to { opacity: 1; } }

        .power-led {
            width: 10px; height: 10px; background-color: #ff0000; border-radius: 50%;
            position: absolute; bottom: 30px; right: 30px; box-shadow: 0 0 8px #ff0000;
            z-index: 25; pointer-events: none;
        }

        .brand-logo {
            position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%);
            color: #333; font-size: 1rem; font-family: sans-serif; letter-spacing: 4px;
            font-weight: bold; z-index: 25; pointer-events: none;
            text-shadow: 0 1px 1px rgba(255,255,255,0.1);
        }

        @media (max-width: 768px) {
            .bezel-overlay { border-width: 10px; border-radius: 12px; }
            .terminal-content { padding: 15px; padding-bottom: 20px; font-size: 1.2rem; }
            .input-line { padding-top: 10px; }
            .prompt { margin-right: 5px; }
            #command-input, #cmd-display { font-size: 1.2rem; }
            .brand-logo { font-size: 0.7rem; bottom: 2px; letter-spacing: 1px; opacity: 0.5; }
            .power-led { width: 6px; height: 6px; bottom: 10px; right: 10px; }
            #autocomplete-menu { max-height: 180px; min-width: 150px; bottom: 100%; left: 0; }
            .suggestion-item { font-size: 1.2rem; padding: 8px; }
            
            /* Tab button adjustment for mobile */
            #tab-btn {
                font-size: 1rem;
                padding: 0 6px;
                margin-left: 6px;
                height: 1.4rem;
            }
        }