html, body {
    height: 100%;
    margin: 0;
    display: flex;
    flex-direction: column;
    background-color: #121212;
    color: #ffffff;
}

.container {
    flex: 1;
    padding-bottom: 80px;
}

.card-panel {
    background-color: #1e1e1e;
}

input, label {
    color: #ffffff;
}

.input-field input[type=number] {
    border-bottom: 1px solid #ffffff;
    box-sizing: border-box;
    margin: 0;
    height: 5rem;
}

.btn {
    background-color: #bb86fc;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.logo {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #121212;
}

.result-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 20px;
}

.result-text {
    font-size: 1.2rem;
    color: #bb86fc;
    margin-bottom: 10px;
}

.result-circle {
    width: 120px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: bold;
    color: #ffffff;
    background-color: #bb86fc;
    border-radius: 50%;
}

.percentage-table {
    margin-top: 20px;
    text-align: center;
    display: none;
}

.percentage-table th, .percentage-table td {
    padding: 10px;
    border: 1px solid #bb86fc;
}

.percentage-table th {
    background-color: #bb86fc;
    color: #121212;
}

footer {
    text-align: center;
    padding: 20px;
    background-color: #1e1e1e;
    color: #bb86fc;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
}

footer a {
    color: #bb86fc;
    text-decoration: none;
}

.input-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 5px;
    margin-bottom: 20px;
}

.input-field {
    flex: 1;
    max-width: 150px;
    padding: 10px;
}

#weight, #reps {
    color: #000000;
    background-color: #ffffff;
    font-weight: bold;
    padding: 10px;
    border-radius: 4px;
}

#weight {
    text-align: right;
}

#reps {
    text-align: left;
}

.multiplier {
    display: flex;
    align-items: center;
    font-size: 24px;
    color: #bb86fc;
    padding: auto;
}

.collapsible-header {
    background-color: #1e1e1e;
    color: #bb86fc;
    font-weight: bold;
}

.collapsible-body {
    background-color: #2c2c2c;
    color: #ffffff;
}