.airtime-container {
    background: #f8f9fa;
    min-height: 100vh;
    padding: 80px 0;
}

.airtime-container label {
    margin-left: 0 !important;
    padding-left: 0 !important;
}

.airtime-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(1, 64, 115, 0.1);
    padding: 40px;
    max-width: 500px;
    margin: 0 auto;
    border-top: 4px solid #014073;
}

.icon-container {
    text-align: center;
    margin-bottom: 20px;
}

.icon-container i {
    font-size: 60px;
    color: #014073;
}

.airtime-title {
    color: #014073;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-align: center;
}

.airtime-subtitle {
    color: #6c757d;
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.1rem;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    font-weight: 600;
    color: #014073;
    margin-bottom: 8px;
    margin-left: 0;
    padding-left: 0;
    display: block;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: #014073;
    box-shadow: 0 0 0 3px rgba(1, 64, 115, 0.1);
}

.quick-amounts {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 10px;
}

.quick-amount-btn {
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    color: #014073;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.quick-amount-btn:hover {
    background: #014073;
    color: white;
    border-color: #014073;
}

.quick-amount-btn.active {
    background: #014073;
    color: white;
    border-color: #014073;
}

.custom-control {
    position: relative;
    display: block;
    min-height: 1.5rem;
    padding-left: 1.5rem;
}

.custom-control-input {
    position: absolute;
    z-index: -1;
    opacity: 0;
}

.custom-control-label {
    position: relative;
    margin-bottom: 0;
    vertical-align: top;
    color: #014073;
    font-weight: 500;
}

.custom-control-label::before {
    position: absolute;
    top: 0.25rem;
    left: -1.5rem;
    display: block;
    width: 1rem;
    height: 1rem;
    pointer-events: none;
    content: "";
    background-color: #fff;
    border: 2px solid #014073;
    border-radius: 0.25rem;
}

.custom-control-input:checked ~ .custom-control-label::before {
    color: #fff;
    border-color: #014073;
    background-color: #014073;
}

.custom-control-input:checked ~ .custom-control-label::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%23fff' d='m6.564.75-3.59 3.612-1.538-1.55L0 4.26 2.974 7.25 8 2.193z'/%3e%3c/svg%3e");
}

.custom-control-label::after {
    position: absolute;
    top: 0.25rem;
    left: -1.5rem;
    display: block;
    width: 1rem;
    height: 1rem;
    content: "";
    background: no-repeat 50%/50% 50%;
}

.form-text {
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: #6c757d;
}

.info-box {
    background: #e3f2fd;
    border-left: 4px solid #2196f3;
    padding: 15px 20px;
    border-radius: 5px;
    margin: 20px 0;
}

.info-box p {
    margin: 0;
    color: #1976d2;
    font-size: 0.95rem;
}

.info-box i {
    margin-right: 8px;
}

.fee-info {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin: 20px 0;
    border: 1px solid #e9ecef;
    display: none;
}

.fee-info p {
    margin: 8px 0;
    color: #495057;
}

.fee-info hr {
    margin: 15px 0;
    border-color: #e9ecef;
}

#displayTotal {
    font-size: 1.2rem;
    color: #014073;
    font-weight: bold;
}

#airtime_number_group {
    display: none;
}

.btn-submit {
    background: #014073;
    border: none;
    color: white;
    padding: 15px 30px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    width: 100%;
    margin-top: 20px;
    transition: all 0.3s;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-submit:hover {
    background: #ff9d34;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(1, 64, 115, 0.3);
}

.btn-submit:active {
    transform: translateY(0);
}

.text-muted {
    color: #6c757d !important;
    text-decoration: none;
    transition: color 0.3s;
}

.text-muted:hover {
    color: #014073 !important;
    text-decoration: none;
}

.text-muted i {
    margin-right: 5px;
}

@media (max-width: 768px) {
    .airtime-container {
        padding: 40px 0;
    }

    .airtime-card {
        margin: 0 20px;
        padding: 30px 20px;
    }

    .quick-amounts {
        justify-content: center;
    }

    .quick-amount-btn {
        flex: 1;
        min-width: 80px;
    }
}