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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #00BCD4 0%, #0097A7 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.payment-container {
    width: 100%;
    max-width: 400px;
}

.payment-card {
    background: white;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    position: relative;
}

.header {
    text-align: center;
    margin-bottom: 32px;
}

.rupee-symbol {
    font-size: 48px;
    font-weight: 300;
    color: #424242;
    margin-bottom: 8px;
}

.amount-text {
    color: #9E9E9E;
    font-size: 16px;
    font-weight: 400;
}

.title {
    font-size: 24px;
    font-weight: 600;
    color: #424242;
    margin-bottom: 32px;
    text-align: left;
}

.payment-options {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.payment-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid transparent;
}

.payment-option:hover {
    background: #F5F5F5;
}

.payment-option.selected {
    background: linear-gradient(135deg, #E1F5FE 0%, #B3E5FC 100%);
    border: 2px solid #00BCD4;
}

.option-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.icon {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.phonepe-icon {
    background: #5F259F;
    color: white;
}

.phonepe-text {
    font-size: 18px;
    font-weight: 700;
}

.paytm-icon {
    background: #00BAF2;
    color: white;
}

.paytm-text {
    font-size: 12px;
    font-weight: 700;
}

.googlepay-icon {
    background: white;
    border: 1px solid #E0E0E0;
}

.google-colors {
    display: flex;
    width: 24px;
    height: 16px;
    border-radius: 2px;
    overflow: hidden;
}

.google-colors span {
    flex: 1;
    height: 100%;
}

.color-1 { background: #4285F4; }
.color-2 { background: #34A853; }
.color-3 { background: #FBBC05; }
.color-4 { background: #EA4335; }

.mobikwik-icon {
    background: #0066CC;
    color: white;
}

.mobikwik-text {
    font-size: 24px;
    font-weight: 700;
}

.other-icon {
    background: #37474F;
    color: white;
}

.other-graphic {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.screen {
    width: 20px;
    height: 12px;
    background: #00BCD4;
    border-radius: 2px;
    margin-bottom: 2px;
}

.stand {
    width: 12px;
    height: 4px;
    background: white;
    border-radius: 1px;
}

.option-name {
    font-size: 18px;
    font-weight: 500;
    color: #424242;
}

.radio-container {
    position: relative;
}

.radio-container input[type="radio"] {
    display: none;
}

.custom-radio {
    width: 24px;
    height: 24px;
    border: 2px solid #E0E0E0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.payment-option.selected .custom-radio {
    background: #FF9800;
    border-color: #FF9800;
}

.checkmark {
    color: white;
    font-size: 14px;
    font-weight: bold;
}

.fingerprint {
    display: flex;
    justify-content: center;
    margin-bottom: 24px;
}

.pay-button {
    width: 100%;
    background: linear-gradient(135deg, #00BCD4 0%, #0097A7 100%);
    color: white;
    border: none;
    border-radius: 12px;
    padding: 16px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 24px;
}

.pay-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 188, 212, 0.3);
}

.pay-button:active {
    transform: translateY(0);
}

.security-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.security-text {
    color: #9E9E9E;
    font-size: 14px;
}

/* Mobile responsiveness */
@media (max-width: 480px) {
    .payment-card {
        padding: 20px;
        margin: 10px;
        border-radius: 12px;
    }
    
    .title {
        font-size: 20px;
    }
    
    .option-name {
        font-size: 16px;
    }
    
    .icon {
        width: 40px;
        height: 40px;
    }
    
    .phonepe-text {
        font-size: 16px;
    }
    
    .mobikwik-text {
        font-size: 20px;
    }
}