body {
    font-family: Arial, sans-serif;
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #141e30, #243b55);
    padding: 20px;
    gap: 20px;
}

h1 {
    color: #f5f5f5;
    font-size: 28px;
    text-align: center;
    margin: 0;
}

/* Card principal centralizado */
.divTarefas {
    background-color: #1f2933;
    border-radius: 12px;
    padding: 24px 20px;
    border: 1px solid #334155;
    box-shadow: 0 8px 20px rgba(0,0,0,0.4);
    max-width: 520px;
    width: 100%;
    color: #e5e7eb;
}

/* Título da lista centralizado */
.divTarefas strong {
    display: block;
    text-align: center;
    font-size: 20px;
    margin-bottom: 20px;
    color: #f5f5f5;
}

/* Input de mensagem embaixo */
.area-entrada {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

#inputTarefa {
    width: 100%;
    max-width: 400px;
    padding: 12px 16px;
    border: 1px solid #4b5563;
    border-radius: 8px;
    font-size: 16px;
    outline: none;
    background-color: #111827;
    color: #f9fafb;
    text-align: center;
}

#inputTarefa::placeholder {
    color: #9ca3af;
    text-align: center;
}

/* Botões embaixo centralizados */
.divBtn {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 16px;
}

.btnListaTarefas {
    padding: 12px 20px;
    background-color: #3b82f6;
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.2s ease;
    flex: 1;
    max-width: 140px;
}

.btnListaTarefas:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(37, 99, 235, 0.4);
}

/* Lista no meio */
#listaTarefas {
    list-style: none;
    padding: 0;
    margin: 20px 0;
    max-height: 300px;
    overflow-y: auto;
}

.item-tarefa {
    background-color: #111827;
    padding: 12px 16px;
    margin-bottom: 10px;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid #1f2937;
}

.btnLixeira {
    width: 20px;
    cursor: pointer;
    opacity: 0.8;
    transition: all 0.2s ease;
}

.btnLixeira:hover {
    opacity: 1;
    transform: scale(1.2);
}

/* Seções extras */
.objetivo, .dica {
    max-width: 520px;
    width: 100%;
    background-color: #374151;
    padding: 15px;
    border-radius: 8px;
    border-left: 4px solid #3b82f6;
    color: #e5e7eb;
}