:root {
    --fundo: #051f20;
    --titulo: #8eb69b;
    --paragrafo: #daf1de;
    --green1: #235347;
    --green2: #163832;
    --green3: #0b2b26;
}




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

body {
    font-family: Arial, sans-serif;
    background-color: var(--fundo);
    color: var(--paragrafo);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: var(--green3);
    color: var(--paragrafo);
    padding: 20px 0;
    text-align: center;
    
}

main {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 40px;
    
}

.clock-section, .stopwatch, .notes-section, .schedule-section {
    background-color: var(--green3);
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--green1) 1px 1px 1px 1px;
}

#download-notes {
    margin-top: 10px;
}

#clock {
    font-size: 4em;
    text-align: center;
    margin-bottom: 20px;
    
}

.stopwatch h2, .notes-section h2, .schedule-section h2 {
    margin-bottom: 10px;
    color: var(--titulo);
}

#stopwatch-display {
    font-size: 2em;
    text-align: center;
    margin-bottom: 10px;
    
}

.stopwatch-buttons, .notes-section button {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.stopwatch-buttons button, #save-notes, #download-notes {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    background-color: var(--green1);
    color: white;
    transition: background-color 0.3s;
    
}

.stopwatch-buttons button:hover, #save-notes:hover, #download-notes:hover {
    background-color: var(--green1);
}

#notes {
    width: 100%;
    height: 150px;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
    border: 1px solid #ccc;
    resize: vertical;
    box-shadow: var(--green1) 1px 1px 1px 1px;
}

.schedule-section table {
    width: 100%;
    border-collapse: collapse;
    box-shadow: var(--green1) 1px 1px 1px 1px;
}

.schedule-section th, .schedule-section td {
    border: 1px solid #ddd;
    padding: 12px;
    text-align: center;
}

.schedule-section th {
    background-color: var(--green1);
    color: white;
}

footer {
    background-color: var(--green1);
    color: white;
    text-align: center;
    padding: 10px 0;
    box-shadow: var(--green1) 1px 1px 1px 1px;
}

.quiz-section {
    background-color: var(--green3);
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--green1) 1px 1px 1px 1px   ;
        


}

.quiz-section h2 {
    color: #4CAF50;
    margin-bottom: 10px;
}

#questions-container {
    margin-top: 20px;
}

.question {
    margin-top: 10px;
    margin-bottom: 20px;
    padding: 10px;
    box-shadow: var(--green1) 1px 1px 1px 1px;
}

.question p {
    font-size: 1.1em;
    margin-bottom: 10px;
}

.question .options {
    list-style-type: none;
    padding: 0;
}

.question .options li {
    margin: 5px 0;
}

.question .options input {
    margin-right: 10px;
}

#generate-questions {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    background-color: var(--green1);
    color: white;
    transition: background-color 0.3s;
}

#generate-questions:hover {
    background-color: var(--titulo);
}