body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 15px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
    transition: background-color 0.3s, color 0.3s;
}

/* Estilos para o modo escuro */
body.dark-mode {
    background-color: #1a1a1a;
    color: #f0f0f0;
}

body.dark-mode .calendar th {
    background-color: #2d2d2d;
    color: #f0f0f0;
}

body.dark-mode .calendar td {
    border-color: #444;
}

body.dark-mode .today {
    background-color: #2a4365;
}

body.dark-mode .work-day {
    background-color: #742a2a;
}

body.dark-mode .off-day {
    background-color: #2d4a2d;
}

body.dark-mode .month-selector button {
    background-color: #2d2d2d;
    color: #f0f0f0;
    border-color: #444;
}

body.dark-mode .month-selector button:hover {
    background-color: #3d3d3d;
}

body.dark-mode footer {
    border-color: #444;
    color: #aaa;
}

body.dark-mode #turma {
    background-color: #2d2d2d;
    color: #f0f0f0;
    border-color: #444;
}

/* Estilo do botão de modo escuro */
.theme-toggle {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 24px;
    padding: 5px;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f2f2f2;
    transition: background-color 0.3s;
}

body.dark-mode .theme-toggle {
    background-color: #2d2d2d;
    color: #f0f0f0;
}

.notification {
    padding: 12px;
    margin: 15px 0;
    border-radius: 5px;
    display: none;
    font-size: 14px;
}
.folga {
    background-color: #d4edda;
    color: #155724;
}
.trabalho {
    background-color: #f8d7da;
    color: #721c24;
}
.calendar {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
    font-size: 14px;
}
.calendar th {
    background-color: #f2f2f2;
    padding: 8px;
    text-align: center;
    font-size: 12px;
    transition: background-color 0.3s, color 0.3s;
}
.calendar td {
    border: 1px solid #ddd;
    padding: 5px;
    height: 60px;
    vertical-align: top;
    font-size: 12px;
    transition: background-color 0.3s, border-color 0.3s;
}
.today {
    background-color: #e6f7ff;
    font-weight: bold;
}
.work-day {
    background-color: #ffebee;
}
.off-day {
    background-color: #e8f5e9;
}
.calendar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}
.day-number {
    font-weight: bold;
    margin-bottom: 2px;
    font-size: 14px;
}
.legend {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 15px 0;
}
.legend-item {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 12px;
}
.legend-color {
    width: 15px;
    height: 15px;
    border: 1px solid #ddd;
    transition: background-color 0.3s;
}
#turma {
    padding: 8px;
    font-size: 16px;
    margin-bottom: 15px;
    width: 100%;
    box-sizing: border-box;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}
h1 {
    font-size: 35px;
    margin-bottom: 15px;
    font-family: 'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
}
h2 {
    font-size: 18px;
}
.month-selector {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
}
.month-selector button {
    padding: 8px 15px;
    background-color: #f2f2f2;
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s, color 0.3s, border-color 0.3s;
}
.month-selector button:hover {
    background-color: #e6e6e6;
}
.month-selector button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
footer {
    margin-top: auto;
    padding: 15px 0;
    text-align: center;
    font-size: 12px;
    color: #666;
    border-top: 1px solid #eee;
    font-style: 'Quicksand';
    transition: border-color 0.3s, color 0.3s;
}

/* Melhorias específicas para celulares */
@media (max-width: 600px) {
    body {
        padding: 10px;
    }
    .calendar td {
        height: 50px;
        padding: 3px;
    }
    .day-number {
        font-size: 12px;
    }
    .calendar td span {
        font-size: 10px;
        display: block;
        margin-top: 2px;
    }
    .notification {
        padding: 10px;
        font-size: 13px;
    }
    footer {
        font-size: 11px;
        padding: 10px 0;
    }
    .theme-toggle {
        top: 10px;
        right: 10px;
        width: 35px;
        height: 35px;
        font-size: 20px;
    }
}

/* Ajustes para telas muito pequenas */
@media (max-width: 400px) {
    .calendar td {
        height: 45px;
    }
    .day-number {
        font-size: 11px;
    }
    .calendar td span {
        font-size: 9px;
    }
    h1 {
        font-size: 20px;
    }
}