/* RESET E ESTRUTURA DARK */
    * { box-sizing: border-box; }
    body, html {
        margin: 0;
        padding: 0;
        height: 100%;
        overflow: hidden;
        background: #0a0a0a; /* Fundo bem escuro */
        color: #eee;
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        display: flex;
        flex-direction: column;
    }

    /* HEADER ESTILO SOLTUX */
    .main-header {
        padding: 15px;
        background: #000;
        border-bottom: 2px solid #1a1a1a;
        text-align: center;
    }
    .logo { 
        font-weight: bold; 
        font-size: 1.4em; 
        letter-spacing: 2px;
        color: #fff;
        text-shadow: 0 0 10px rgba(255,255,255,0.2);
    }
    .dev-info { font-size: 0.75em; color: #666; margin-top: 5px; }

    /* MENU DE ABAS NEON */
    .tab-menu {
        display: flex;
        background: #111;
        border-bottom: 1px solid #333;
    }
    .tab-btn {
        flex: 1;
        padding: 12px;
        background: none;
        border: none;
        color: #888;
        font-weight: bold;
        cursor: pointer;
        transition: 0.3s;
        text-transform: uppercase;
        font-size: 0.85em;
    }
    .tab-btn.active {
        background: #1a1a1a;
        color: #00ffff; /* Ciano Neon */
        border-bottom: 2px solid #00ffff;
    }

    /* ÁREA DE CONTEÚDO */
    .main-content {
        flex: 1;
        display: flex;
        position: relative;
        overflow: hidden;
        background: #000;
    }
    .content {
        display: none;
        width: 100%;
        height: 100%;
        flex-direction: column;
    }
    .content.active { display: flex; }

    /* EDITOR DE CÓDIGO PRO */
    #code-editor {
        flex: 1;
        overflow-y: auto;
        overflow-x: auto;
        white-space: pre;
        padding: 20px;
        background: #0f0f0f;
        color: #d4d4d4;
        font-family: 'Consolas', 'Monaco', monospace;
        font-size: 14px;
        line-height: 1.5;
        outline: none;
        border: none;
    }

    /* RODAPÉ DE AÇÕES */
    .editor-footer {
        display: flex;
        gap: 8px;
        padding: 12px;
        background: #111;
        border-top: 1px solid #222;
        flex-shrink: 0;
    }

    /* BOTÕES ESTILIZADOS */
    .action-btn {
        flex: 1;
        padding: 10px;
        background: #1a1a1a;
        color: #fff;
        border: 1px solid #333;
        border-radius: 4px;
        font-weight: bold;
        font-size: 0.75em;
        cursor: pointer;
        transition: 0.2s;
    }
    .action-btn:active { transform: scale(0.95); background: #222; }
    
    .action-btn.red {
        background: #c0392b;
        border: none;
        color: #fff;
        box-shadow: 0 0 10px rgba(192, 57, 43, 0.3);
    }

    /* CONSOLE & TERMINAL */
    #log-output, #soltux-display {
        flex: 1;
        overflow-y: auto;
        padding: 15px;
        background: #000;
        color: #00ff00; /* Verde clássico de terminal */
        font-family: 'Courier New', monospace;
        font-size: 13px;
    }
    
    #soltux-input {
        width: 100%;
        padding: 12px;
        background: #050505;
        border: none;
        border-top: 1px solid #1a1a1a;
        color: #00ffff;
        font-family: monospace;
        outline: none;