/* Модальное окно предоплаты */
.prepayment-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.prepayment-modal-overlay.prepayment-modal-visible {
    opacity: 1;
}

.prepayment-modal {
    background: var(--bg-color, #ffffff);
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.prepayment-modal-visible .prepayment-modal {
    transform: scale(1);
}

.prepayment-modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color, #e0e0e0);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.prepayment-modal-header h2 {
    margin: 0;
    font-size: 20px;
    color: var(--text-color, #000000);
}

.prepayment-modal-close {
    background: none;
    border: none;
    font-size: 28px;
    color: var(--hint-color, #999999);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s;
}

.prepayment-modal-close:hover {
    background: var(--secondary-bg-color, #f0f0f0);
}

.prepayment-modal-body {
    padding: 20px;
}

.prepayment-warning {
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
}

.prepayment-warning p {
    margin: 8px 0;
    color: #856404;
    font-size: 14px;
}

.prepayment-warning strong {
    font-weight: 600;
}

.prepayment-info {
    background: var(--secondary-bg-color, #f8f9fa);
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
}

.prepayment-info h3 {
    margin: 0 0 16px 0;
    font-size: 16px;
    color: var(--text-color, #000000);
}

.prepayment-field {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color, #e0e0e0);
}

.prepayment-field:last-child {
    border-bottom: none;
}

.prepayment-field.prepayment-amount {
    margin-top: 8px;
    padding-top: 12px;
    border-top: 2px solid var(--border-color, #e0e0e0);
}

.prepayment-label {
    color: var(--hint-color, #999999);
    font-size: 14px;
}

.prepayment-value {
    font-weight: 500;
    color: var(--text-color, #000000);
    font-size: 14px;
}

.prepayment-amount .prepayment-value {
    font-size: 18px;
    font-weight: 600;
    color: #28a745;
}

.prepayment-instruction {
    background: #e7f3ff;
    border: 1px solid #b3d9ff;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
}

.prepayment-instruction p {
    margin: 0 0 12px 0;
    font-weight: 600;
    color: #004085;
}

.prepayment-instruction ol {
    margin: 0;
    padding-left: 20px;
    color: #004085;
}

.prepayment-instruction li {
    margin: 8px 0;
    font-size: 14px;
}

.prepayment-instruction strong {
    font-weight: 600;
}

.prepayment-confirmation {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
}

.prepayment-confirm-text {
    margin: 0;
    color: #721c24;
    font-size: 14px;
    text-align: center;
}

.prepayment-modal-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color, #e0e0e0);
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.prepayment-modal-footer .btn {
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

.prepayment-modal-footer .btn-secondary {
    background: var(--secondary-bg-color, #f0f0f0);
    color: var(--text-color, #000000);
}

.prepayment-modal-footer .btn-secondary:hover {
    background: var(--border-color, #e0e0e0);
}

.prepayment-modal-footer .btn-primary {
    background: var(--button-color, #007bff);
    color: var(--button-text-color, #ffffff);
}

.prepayment-modal-footer .btn-primary:hover {
    background: #0056b3;
}

.prepayment-modal-footer .btn-primary:disabled {
    background: #6c757d;
    cursor: not-allowed;
}

/* Успешное сообщение */
.prepayment-success {
    text-align: center;
    padding: 40px 20px;
}

.prepayment-success-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.prepayment-success h3 {
    color: var(--text-color, #000000);
    margin: 0 0 16px 0;
}

.prepayment-success p {
    color: var(--hint-color, #999999);
    margin: 8px 0;
    font-size: 14px;
}

/* Сообщение об ошибке */
.prepayment-error-message {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 16px;
}

.prepayment-error-message .error-text {
    margin: 0;
    color: #721c24;
    font-size: 14px;
}

/* Адаптация под темную тему Telegram */
.theme-dark .prepayment-modal {
    background: var(--bg-color, #1c1c1e);
}

.theme-dark .prepayment-modal-header h2 {
    color: var(--text-color, #ffffff);
}

.theme-dark .prepayment-info {
    background: var(--secondary-bg-color, #2c2c2e);
}

.theme-dark .prepayment-value {
    color: var(--text-color, #ffffff);
}

.theme-dark .prepayment-warning {
    background: #3c3014;
    border-color: #5c4814;
}

.theme-dark .prepayment-warning p {
    color: #ffc107;
}

.theme-dark .prepayment-instruction {
    background: #1a2a3a;
    border-color: #2a4a6a;
}

.theme-dark .prepayment-instruction p,
.theme-dark .prepayment-instruction li {
    color: #66b3ff;
}

.theme-dark .prepayment-confirmation {
    background: #3a1a1a;
    border-color: #5a2a2a;
}

.theme-dark .prepayment-confirm-text {
    color: #ff9999;
}