:root {
    --dark-bg: #282c34; /* Fundo geral escuro */
    --container-bg: #353a40; /* Fundo do painel principal */
    --input-bg: #2c313a; /* Fundo de textareas, selects, header do terminal */
    --text-color: #abb2bf; /* Cor principal do texto (cinza claro) */
    --text-color-light: #dfe2e7; /* Um branco mais suave para títulos */
    --accent-color: #2976b6; /* Azul claro para destaque */
    --button-hover-bg: #7bc6f8; /* Hover do botão de destaque */
    --border-color: #21252b; /* Cor de borda sutil */

    --terminal-dots-red: #ff5f57;
    --terminal-dots-yellow: #febc2e;
    --terminal-dots-green: #28c840;

    --font-primary: 'Roboto', sans-serif;
    --font-code: 'Fira Code', monospace;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    background-color: var(--dark-bg);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px; /* Espaçamento para o main não colar nas bordas */
}

main {
    background-color: var(--container-bg);
    padding: 35px 30px;
    border-radius: 10px;
    max-width: 950px;
    width: 100%;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
}

h1 {
    color: var(--text-color-light);
    font-family: var(--font-primary);
    text-align: center;
    margin-bottom: 30px;
    font-size: 2em;
    font-weight: 700;
}

.controls {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    justify-content: space-between;
    flex-wrap: wrap; /* Para melhor responsividade */
}

.controls .left-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-grow: 1; /* Permite que o select ocupe espaço */
}

.controls label {
    font-weight: 400;
    color: var(--text-color);
    font-size: 0.95em;
}

.controls select,
.controls button {
    padding: 10px 18px;
    font-family: var(--font-primary);
    font-size: 0.9em;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--input-bg);
    color: var(--text-color);
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.controls select {
    min-width: 220px;
    appearance: none; /* Remove estilo padrão do select */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23abb2bf' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 35px; /* Espaço para a seta */
}


.controls select:focus,
.controls button:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px var(--accent-color);
}

.controls button { /* Botão "Processar Código" */
    background-color: var(--accent-color);
    color: #fff;
    font-weight: 500;
    border-color: var(--accent-color);
}

.controls button:hover {
    background-color: var(--button-hover-bg);
    border-color: var(--button-hover-bg);
}

.terminal-container {
    display: flex;
    gap: 20px;
    min-height: 300px; /* Altura mínima para as textareas */
}

.terminal-window {
    flex: 1;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
}

.terminal-header {
    background-color: var(--input-bg); /* Pode ser um pouco diferente se quiser mais contraste */
    padding: 9px 15px;
    font-family: var(--font-code);
    font-size: 0.8em;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    user-select: none; /* Impede seleção do texto do header */
}

.terminal-header .window-dots {
    display: flex;
    gap: 7px;
    margin-right: 12px;
}

.terminal-header .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.dot.red { background-color: var(--terminal-dots-red); }
.dot.yellow { background-color: var(--terminal-dots-yellow); }
.dot.green { background-color: var(--terminal-dots-green); }

.terminal-header span {
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 500;
}

textarea {
    flex-grow: 1;
    width: 100%;
    background-color: var(--input-bg);
    color: var(--text-color);
    border: none;
    padding: 15px;
    font-family: var(--font-code);
    font-size: 0.9em;
    line-height: 1.5;
    resize: none;
    white-space: pre;
    overflow-wrap: normal;
    overflow-x: auto;
}

textarea:focus {
    outline: none;
}

textarea::placeholder {
    color: #6c757d;
}

footer {
    text-align: center;
    padding-top: 25px;
    font-size: 0.85em;
    color: var(--text-color);
    opacity: 0.6;
}

.process-info {
    background-color: var(--input-bg); /* Mesmo fundo dos inputs/terminais */
    color: var(--text-color);
    padding: 10px 15px;
    border-radius: 6px;
    margin-bottom: 20px; /* Espaçamento antes dos terminais */
    font-size: 0.85em;
    font-family: var(--font-code); /* Para manter a sensação de "log" */
    border: 1px solid var(--border-color);
    min-height: 1.5em; /* Para não colapsar quando vazio */
    line-height: 1.4;
    opacity: 0; /* Começa invisível, aparecerá com JS */
    transition: opacity 0.3s ease-in-out;
    text-align: left; /* Alinhamento padrão */
}

.process-info.visible {
    opacity: 1;
}

.process-info.error {
    color: var(--terminal-dots-red); /* Usa a cor vermelha dos "dots" para erro */
    border-left: 3px solid var(--terminal-dots-red);
}

.process-info.success {
    color: var(--text-color); /* Cor normal para sucesso */
    border-left: 3px solid var(--terminal-dots-green); /* Usa a cor verde para sucesso */
}

@media (max-width: 800px) {
    .terminal-container {
        flex-direction: column;
        min-height: auto;
    }
    .terminal-window {
        min-height: 250px;
    }
    .controls {
        gap: 15px;
    }
}

@media (max-width: 600px) {
    body {
        padding: 15px;
        align-items: flex-start; 
    }
    main {
        padding: 25px 20px;
    }
    h1 {
        font-size: 1.7em;
        margin-bottom: 25px;
    }
    .controls {
        flex-direction: column;
        align-items: stretch;
    }
    .controls .left-controls {
        flex-direction: column;
        align-items: stretch;
        margin-bottom: 15px;
        gap: 8px;
    }
    .controls select {
        min-width: auto;
    }
}