* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

body {
    background-color: #121113;
    background-image: url(./image1.png);
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    width: 100%;
    height: 100vh;
}

.container {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

h1 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 18px;
    background-color: rgba(32, 33, 53, 0.9);
    color: white;
    width: 100%;
    line-height: 68px;
}

.option-group {
    display: flex;
    height: 280px;
    flex-direction: column;
    gap: 24px;
    width: 80%;
    max-width: 380px;
    align-items: center;
}

.option {
    position: relative;
    width: 80%;
    max-width: 380px;
    height: 72px;
    background-color: rgba(32, 33, 53, 0.9);
    color: white;
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.option input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.option input:checked + label {
    color: yellow;
    border: 1px solid yellow;
    border-radius: 16px;
}

.option label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    height: 100%;
    padding: 0 30px;
    cursor: pointer;
    font-size: 16px;
    transition: all 0.2s ease;
}

.label-days {
    text-align: right;
    min-width: 60px;
}

.btn {
    background-color: #f3eb28;
    color: #3f3c5a;
    border-radius: 66px;
    height: 56px;
    width: 300px;
    color: #202135;
    font-size: 18px;
    font-weight: 600;
    border: none;
    outline: none;
    cursor: pointer;
}

.btn:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
    transform: none;
}

.link-container {
    width: 300px;
    display: block;
    margin-top: 10px;
    animation: fadeIn 0.3s ease;
}

.link-input {
    width: 300px;
    min-height: 150px;
    border: 2px solid #3f3c5a;
    background-color: rgba(32, 33, 53, 0.9);
    color: white;
    border-radius: 16px;
    resize: none;
    overflow-wrap: break-word;
    white-space: pre-wrap;
    text-align: center;
    padding: 22px;
    margin: 0;
    font-size: 16px;
}

.link-input:focus {
    border-color: #3498db;
}

.status {
    margin-top: 6px;
    text-align: center;
    font-size: 14px;
    min-height: 20px;
    padding: 8px;
    margin-bottom: 6px;
    border-radius: 4px;
}

.success {
    color: #27ae60;
    margin-top: 1px;
    background-color: rgba(39, 174, 96, 0.1);
}

.error {
    color: #e74c3c;
    margin-top: 1px;
    background-color: rgba(231, 76, 60, 0.1);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}