/* Global Styles */
body {
    font-family: 'Inter', sans-serif;
    background-color: #f4f6f9;
    color: #333;
    padding-top: 40px;
    padding-bottom: 40px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    color: #2c3e50;
}

.container {
    max-width: 600px;
    background-color: #ffffff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    margin: 0 auto;
}

/* Buttons */
.btn-primary {
    background-color: #0056b3;
    border-color: #0056b3;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: #004494;
    border-color: #004494;
    transform: translateY(-1px);
}

.btn-success {
    background-color: #28a745;
    border-color: #28a745;
}

.btn-info {
    background-color: #17a2b8;
    border-color: #17a2b8;
    color: white;
}

/* Forms */
.form-control {
    border-radius: 8px;
    padding: 10px 15px;
    border: 1px solid #ced4da;
}

.form-control:focus {
    box-shadow: 0 0 0 0.2rem rgba(0, 86, 179, 0.25);
    border-color: #80bdff;
}

/* Hint Styles */
.hint-container {
    position: relative;
    display: inline-block;
    margin-left: 10px;
    vertical-align: middle;
}

.hint-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #e9ecef;
    color: #6c757d;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

.hint-btn:hover {
    background-color: #dee2e6;
    color: #495057;
}

#hintBox {
    position: absolute;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    min-width: 220px;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, 0.1);
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    display: none;
    z-index: 1050;
    font-size: 0.9rem;
    text-align: left;
}

#hintBox::before {
    content: "";
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-width: 0 6px 6px 6px;
    border-style: solid;
    border-color: transparent transparent #fff transparent;
}

#hintBox p {
    margin-bottom: 5px;
}

#hintBox p:last-child {
    margin-bottom: 0;
}

/* Contact List */
.list-group-item {
    border: 1px solid #e9ecef;
    margin-bottom: 5px;
    border-radius: 8px !important;
    transition: background-color 0.2s;
}

.contact-item.selected {
    background-color: #e3f2fd;
    border-color: #90caf9;
}

.contact-name {
    color: #343a40;
    font-size: 1.05rem;
}

.contact-details {
    font-size: 0.85rem;
}

/* Transactions */
.tx-item {
    padding: 15px;
    border-left: 4px solid transparent;
}

.tx-deposit .tx-amount {
    color: #28a745;
}

.tx-send .tx-amount {
    color: #dc3545;
}

.tx-amount {
    font-weight: 700;
    font-size: 1.1rem;
}

/* Animations */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive adjustments */
@media (max-width: 576px) {
    .container {
        padding: 20px;
        margin: 10px;
        width: auto;
    }

    h2 {
        font-size: 1.5rem;
    }
}