/* ========================
   Fonte e corpo
======================== */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #e0f2ff; /* azul claro */
    color: #111;
    padding: 20px;
    transition: background-color 0.3s, color 0.3s;
}

.agenda {
    max-width: 650px;
    margin: 0 auto;
    background-color: #ffffff;
    padding: 30px 35px;
    border-radius: 14px;
    box-shadow: 0px 8px 25px rgba(0,0,0,0.2);
}

/* ========================
   Título
======================== */
.titulo-agenda {
    text-align: center;
    font-size: 2.5em;
    font-weight: bold;
    margin-bottom: 30px;
    color: #0077b6;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.2);
}

/* ========================
   Inputs e botão
======================== */
.input-group {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 25px;
}

input[type="text"], input[type="date"] {
    padding: 14px 18px;
    font-size: 1em;
    border-radius: 10px;
    border: 1px solid #aaa;
    transition: all 0.3s;
}

input[type="text"]:focus, input[type="date"]:focus {
    outline: none;
    border-color: #0077b6;
    box-shadow: 0 0 6px rgba(0,119,182,0.4);
}

.input-group input[type="date"].input-data {
    cursor: pointer;
}

/* Botão adicionar tarefa */
button {
    padding: 14px 30px;
    background-color: #0077b6;
    color: white;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: bold;
    font-size: 1.1em;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

button:hover {
    background-color: #023e8a;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.3);
}

/* ========================
   Switch de tema
======================== */
.switch-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    gap: 12px;
}

.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    background-color: #ccc;
    border-radius: 26px;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    transition: 0.4s;
}

.slider::before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    border-radius: 50%;
    transition: 0.4s;
}

input:checked + .slider {
    background-color: #e63946; /* vermelho escuro */
}

input:checked + .slider::before {
    transform: translateX(24px);
}

.switch-label {
    font-weight: bold;
}

/* ========================
   Lista de tarefas
======================== */
#Lista-De-Tarefas > div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #caf0f8;
    margin: 10px 0;
    padding: 14px 18px;
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    position: relative;
    transition: background-color 0.3s, transform 0.2s;
}

#Lista-De-Tarefas > div:hover {
    transform: translateY(-2px);
}

/* Botão apagar */
#Lista-De-Tarefas button {
    background-color: #e63946;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.95em;
    font-weight: bold;
    transition: all 0.3s;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

#Lista-De-Tarefas button:hover {
    background-color: #9d0208;
    transform: translateY(-2px);
}

/* ========================
   Status de datas
======================== */
#Lista-De-Tarefas > div[data-status]::before {
    content: attr(data-status);
    font-size: 0.85em;
    font-weight: bold;
    margin-right: 12px;
}

.hoje { border-left: 6px solid #ffb703; }
.futuro-curto { border-left: 6px solid #52b788; }
.futuro-medio { border-left: 6px solid #2d6a4f; }
.futuro-longo { border-left: 6px solid #1b4332; }
.futuro-ano { border-left: 6px solid #081c15; }

.passado-curto { border-left: 6px solid #f94144; }
.passado-medio { border-left: 6px solid #c1121f; }
.passado-longo { border-left: 6px solid #8b0000; }
.passado-ano { border-left: 6px solid #610000; }

#Lista-De-Tarefas > div[data-data]::after {
    content: " (" attr(data-data) ")";
    font-size: 0.82em;
    color: #555;
    margin-left: 6px;
}

/* ========================
   Dark mode
======================== */
body.dark {
    background-color: #1a1a1a;
    color: #f0f0f0;
}

body.dark .agenda {
    background-color: #2a2a2a;
    box-shadow: 0px 6px 20px rgba(0,0,0,0.5);
}

body.dark button {
    background-color: #d00000;
}

body.dark button:hover {
    background-color: #9d0208;
}

body.dark #Lista-De-Tarefas > div {
    background-color: #3a3a3a;
}

/* ========================
   Responsividade
======================== */
@media (max-width: 600px){
    .input-group {
        flex-direction: column;
        gap: 14px;
    }

    #Lista-De-Tarefas > div {
        flex-direction: column;
        align-items: flex-start;
    }

    #Lista-De-Tarefas > div button {
        margin-top: 10px;
    }
}