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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #FFDAD6 0%, #FDC7BF 100%);
    min-height: 100%;
    padding: 20px;
}

.flex-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
}

h1 {
    background: #FFEAE7;
    color: #7A1200;
    padding: 20px;
    border-radius: 5px;
    text-align: center;
    font-size: 40px;
    margin-bottom: 15px;
    border: 2px solid #7A1200;
}

h2 {
    color: #7A1200;
    font-size: 28px;
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 2px solid #7A1200;
}

h3 {
    color: #7A1200;
    font-size: 22px;
    margin: 10px 0 8px 0;
}

.objasnjenje {
    background: #FFEAE7;
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 15px;
    border: 2px solid #7A1200;
}

.rezultat {
    background: #FFEAE7;
    padding: 15px;
    border-radius: 5px;
    display: flex;
    flex-direction: column;
    margin-bottom: 15px;
    border: 2px solid #7A1200;
}

p.tekst {
    font-size: 20px;
    line-height: 26px;
    color: #333;
    text-align: justify;
    margin-bottom: 8px;
}

p.info {
    font-size: 20px;
    line-height: 26px;
    color: #333;
    margin-bottom: 8px;
}

strong {
    color: #7A1200;
    font-weight: 550;
}

pre {
    background: white;
    border: 2px solid #FDC7BF;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: 'Courier New', monospace;
    font-size: 18px;
    font-weight: 500;
    line-height: 24px;
    color: #000;
    margin: 8px 0;
}

.ispis-box {
    background: #FFDAD6;
    padding: 15px;
    border-radius: 5px;
    margin: 10px 0;
    border: 2px solid #7A1200;
    display: flex;
    flex-direction: column;
}

.ispis-box pre {
    background: white;
    border: 2px solid #FDC7BF;
    margin: 8px 0;
}

.objasnjenje-box {
    background: #FDC7BF;
    border: 2px solid #7A1200;
    padding: 15px;
    margin: 10px 0;
    border-radius: 5px;
}

em {
    color: #7A1200;
    font-style: italic;
}