.modal-overlay {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    text-align: center;
    max-width: 400px;
    width: 90%;
}

.modal-content h3 {
    margin-top: 0;
    color: var(--text-primary);
    font-size: 1.5em;
    font-weight: 600;
    margin-bottom: 10px;
}

.modal-content p {
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-size: 14px;
}

.modal-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.modal-btn {
    padding: 12px 20px;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.2s;
    outline: none;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.modal-btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.modal-btn-primary:hover {
    background-color: var(--dark-primary);
}

.modal-btn-secondary {
    background-color: var(--online-status);
    color: white;
}

.modal-btn-secondary:hover {
    background-color: #388E3C;
}

.modal-btn-cancel {
    background-color: var(--text-secondary);
    color: white;
}

.modal-btn-cancel:hover {
    background-color: #545b62;
}

/* Transaction modal specific styles */
.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 14px;
}

.form-input {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.2s;
    box-sizing: border-box;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.fixed-recipient {
    padding: 10px 12px;
    background-color: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 500;
}

/* Validate trade button */
.validate-trade-btn {
    background-color: var(--online-status);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.validate-trade-btn i {
    color: white !important;
    opacity: 1;
}

.validate-trade-btn:hover i {
    color: white !important;
}

.validate-trade-btn:hover {
    background-color: #388E3C;
    transform: translateY(-1px);
}

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

/* Proposal and finalization message styles */
.proposal-message .message {
    border-left: 4px solid #FFC107;
    background-color: #FFFBF0;
}

.finalization-message .message {
    border-left: 4px solid #4CAF50;
    background-color: #F0F8F0;
}

.proposal-actions {
    margin-top: 10px;
    display: flex;
    gap: 8px;
    justify-content: flex-start;
}

.proposal-btn {
    padding: 6px 12px;
    border: none;
    border-radius: 15px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 4px;
}

.accept-btn {
    background-color: #4CAF50;
    color: white;
}

.accept-btn:hover {
    background-color: #45a049;
}

.refuse-btn {
    background-color: #f44336;
    color: white;
}

.refuse-btn:hover {
    background-color: #da190b;
}


/* Responsive modal */
@media (max-width: 576px) {
    .modal-content {
        padding: 20px;
        margin: 20px;
    }
    
    .modal-buttons {
        gap: 8px;
    }
    
    .modal-btn {
        padding: 10px 16px;
        font-size: 14px;
    }
    
    .validate-trade-btn {
        padding: 6px 12px;
        font-size: 12px;
    }
}