* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #f5f7fa, #e4e8ee);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.accordion-container {
    margin-top: 20px;
    border: 1px solid #ccc;
    border-radius: 8px;
    background: #f9f9f9;
    overflow: hidden;
    max-width: 100%;
}

.accordion-toggle {
    width: 100%;
    background-color: #eee;
    cursor: pointer;
    padding: 12px 16px;
    text-align: left;
    border: none;
    outline: none;
    font-size: 16px;
    transition: background-color 0.2s ease;
}

.accordion-toggle:hover {
    background-color: #ddd;
}

.accordion-content {
    padding: 12px 16px;
    display: none;
    white-space: pre-wrap;
    word-wrap: break-word;
    max-width: 100%;
}

.accordion-content p {
    margin: 2px 0;
    line-height: 1.3;
}

.payment-card {
    background: #ffffff;
    width: 100%;
    max-width: 420px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    padding: 28px;
}

.payment-header {
    text-align: center;
    margin-bottom: 24px;
}

.payment-header h1 {
    font-size: 22px;
    font-weight: 600;
    margin: 0 0 8px;
    color: #111827;
}

.payment-header p {
    margin: 0;
    font-size: 14px;
    color: #6b7280;
}

.payment-info {
    background: #f9fafb;
    border-radius: 14px;
    padding: 16px;
    margin-bottom: 20px;
}

.payment-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
    font-size: 14px;
    color: #374151;
}

.payment-row:last-child {
    margin-bottom: 0;
    font-weight: 600;
    font-size: 16px;
}

.price-input-wrapper {
    display: flex;
    align-items: center;
    background: #ffffff;
    border: 1px solid #d1d5db;
    border-radius: 12px;
    padding: 10px 14px;
    min-width: 120px;
}

.currency {
    color: #6b7280;
    font-weight: 500;
    margin-right: 6px;
}

.price-input {
    border: none;
    outline: none;
    background: transparent;
    width: 100%;
    font-size: 16px;
    font-weight: 600;
    color: #111827;
}

.price-input::placeholder {
    color: #9ca3af;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
}

.payment-widget {
    border-radius: 14px;
    border: 1px dashed #d1d5db;
    padding: 22px;
    text-align: center;
    color: #9ca3af;
    font-size: 14px;
}

.pay-button {
    width: 100%;
    margin-top: 16px;
    padding: 14px 16px;
    border-radius: 14px;
    border: none;
    background: #111827;
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease, opacity 0.2s ease;
}

.pay-button:hover {
    background: #1f2937;
}

.pay-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.payment-footer {
    margin-top: 20px;
    text-align: center;
    font-size: 12px;
    color: #9ca3af;
}

@media (max-width: 480px) {
    .payment-card {
        border-radius: 0;
        min-height: 100vh;
        max-width: none;
        box-shadow: none;
    }
}