body {
    font-family: 'Georgia', serif;
    max-width: 1000px;
    margin: 20px auto;
    padding: 20px;
    background-color: #F0F4F8;
    color: #2C3E50;
}

.container {
    border: 2px solid #6A7B8B;
    padding: 20px;
    border-radius: 8px;
    background-color: #FFFFFF;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.section {
    margin-bottom: 30px;
    padding: 15px;
    border-left: 4px solid #D4AF37;
    border-top: 4px solid #D4AF37;
    background-color: #F8F9FA;
}

input {
    width: 200px;
    margin: 5px;
    padding: 8px;
    border: 1px solid #6A7B8B;
    border-radius: 4px;
}

button {
    background: #D4AF37;
    color: #2C3E50;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
    font-weight: bold;
}

button:hover {
    background: #B8992E;
}

.result {
    margin-top: 10px;
    padding: 15px;
    background-color: #E8EEF4;
    border-radius: 4px;
    border: 1px solid #6A7B8B;
}

.wzor,
.metodo {
    font-family: 'Courier New', monospace;
    font-style: italic;
    font-size: 1.0em;
    color: #2C3E50;
    font-weight: 300;
    letter-spacing: 0.5px;
}

.heder {
    font-family: 'Georgia', serif;
    font-style: italic;
    font-size: 0.9em;
    color: #2C3E50;
    font-weight: 300;
    letter-spacing: 0.5px;
}

.frac {
    display: inline-block;
    vertical-align: middle;
    text-align: center;
}

.frac > span {
    display: block;
    padding: 0 3px;
}

.frac .num {
    border-bottom: 2px solid #D4AF37;
}

.var {
    font-style: italic;
    color: #6A7B8B;
}

table {
    border-collapse: collapse;
    margin: 10px 0;
    width: 100%;
}

td,
th {
    border: 2px solid #6A7B8B;
    padding: 10px;
    text-align: left;
}

th {
    background-color: #6A7B8B;
    color: white;
}

.info-box {
    background-color: #E8EEF4;
    padding: 15px;
    margin: 15px 0;
    border-radius: 4px;
    border: 1px dashed #6A7B8B;
}

h1,
h2,
h3 {
    color: #2C3E50;
}

h1 {
    border-bottom: 5px solid #D4AF37;
    padding-bottom: 10px;
}

.metodologia {
    background: #F8F9FA;
    border-left: 2px solid #6A7B8B;
    border-top: 2px solid #6A7B8B;
    margin-bottom: 30px;
    padding: 15px;
    font-size: 0.95em;
}

.wzor-blok {
    margin: 8px 0 18px 0;
    font-size: 0.9em;
}

.copy-container {
    margin-top: 15px;
    padding: 15px;
    background: #E8EEF4;
    border-radius: 4px;
    border: 1px solid #6A7B8B;
    display: none;
}

.copy-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.copy-btn {
    background: #2C3E50;
    color: #D4AF37;
    padding: 6px 12px;
    font-size: 0.9em;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
}

.copy-btn:hover {
    background: #6A7B8B;
    color: #fff;
}

#savePngContainer {
    margin-top: 10px;
    display: none;
}

#savePngButton {
    background: #2C3E50;
    color: #D4AF37;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
}

#savePngButton:hover {
    background: #6A7B8B;
}

#savePngContainer2 {
    margin-top: 10px;
    display: none;
}

#savePngButton2 {
    background: #2C3E50;
    color: #D4AF37;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
}

#savePngButton2:hover {
    background: #6A7B8B;
}