.btn {
    display: inline-block;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: all .3s;
    -webkit-user-select: none;
    user-select: none
}

.btn:disabled {
    opacity: .6;
    cursor: not-allowed
}

.btn-primary {
    background-color: #6325f6;
    border-color: #6325f6;
    color: #fff
}

.btn-primary:hover:not(:disabled) {
    background-color: #ae8bff;
    border-color: #ae8bff
}

.btn-secondary {
    background-color: #f0f0f0;
    border-color: #d9d9d9;
    color: #333
}

.btn-secondary:hover:not(:disabled) {
    background-color: #e0e0e0;
    border-color: #bfbfbf
}

.btn-success {
    background-color: #52c41a;
    border-color: #52c41a;
    color: #fff
}

.btn-success:hover:not(:disabled) {
    background-color: #73d13d;
    border-color: #73d13d
}

.btn-warning {
    background-color: #faad14;
    border-color: #faad14;
    color: #fff
}

.btn-warning:hover:not(:disabled) {
    background-color: #ffc53d;
    border-color: #ffc53d
}

.btn-danger {
    background-color: #ff4d4f;
    border-color: #ff4d4f;
    color: #fff
}

.btn-danger:hover:not(:disabled) {
    background-color: #ff7875;
    border-color: #ff7875
}

.btn-lg {
    padding: 12px 24px;
    font-size: 16px
}

.btn-sm {
    padding: 4px 8px;
    font-size: 12px
}

.form-group {
    margin-bottom: 16px
}

.form-label {
    display: block;
    margin-bottom: 4px;
    font-weight: 500;
    color: #333
}

.form-control {
    display: block;
    width: 100%;
    padding: 8px 12px;
    font-size: 14px;
    line-height: 1.5;
    color: #333;
    background-color: #fff;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    transition: border-color .3s
}

.form-control:focus {
    border-color: #1890ff;
    box-shadow: 0 0 0 2px #1890ff33
}

.form-control:disabled {
    background-color: #f5f5f5;
    color: #999;
    cursor: not-allowed
}

.form-control.is-invalid {
    border-color: #ff4d4f
}

.form-control.is-valid {
    border-color: #52c41a
}

.form-text {
    margin-top: 4px;
    font-size: 12px;
    color: #666
}

.form-text.text-danger {
    color: #ff4d4f
}

.form-text.text-success {
    color: #52c41a
}

.card {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 8px #0000001a;
    overflow: hidden;
    transition: box-shadow .3s
}

.card:hover {
    box-shadow: 0 4px 12px #00000026
}

.card-header {
    padding: 16px 20px;
    background-color: #f8f9fa;
    border-bottom: 1px solid #eee;
    font-weight: 500
}

.card-body {
    padding: 20px
}

.card-footer {
    padding: 16px 20px;
    background-color: #f8f9fa;
    border-top: 1px solid #eee
}

.card-title {
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: 600;
    color: #333
}

.card-text {
    margin: 0;
    color: #666;
    line-height: 1.6
}

.badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 12px;
    font-weight: 500;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 4px
}

.badge-primary {
    background-color: #1890ff;
    color: #fff
}

.badge-secondary {
    background-color: #6c757d;
    color: #fff
}

.badge-success {
    background-color: #52c41a;
    color: #fff
}

.badge-warning {
    background-color: #faad14;
    color: #fff
}

.badge-danger {
    background-color: #ff4d4f;
    color: #fff
}

.badge-light {
    background-color: #f8f9fa;
    color: #333
}

.badge-dark {
    background-color: #343a40;
    color: #fff
}

.alert {
    padding: 12px 16px;
    margin-bottom: 16px;
    border: 1px solid transparent;
    border-radius: 4px;
    font-size: 14px
}

.alert-primary {
    background-color: #e6f7ff;
    border-color: #91d5ff;
    color: #0050b3
}

.alert-secondary {
    background-color: #f6f6f6;
    border-color: #d9d9d9;
    color: #333
}

.alert-success {
    background-color: #f6ffed;
    border-color: #b7eb8f;
    color: #389e0d
}

.alert-warning {
    background-color: #fffbe6;
    border-color: #ffe58f;
    color: #d46b08
}

.alert-danger {
    background-color: #fff2f0;
    border-color: #ffccc7;
    color: #cf1322
}

.alert-dismissible {
    position: relative;
    padding-right: 40px
}

.alert-dismissible .close {
    position: absolute;
    top: 0;
    right: 0;
    padding: 12px 16px;
    color: inherit;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #00000080;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000
}

.modal-dialog {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 20px #0000004d;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid #eee;
    display: flex;
    align-items: center;
    justify-content: space-between
}

.modal-title {
    margin: 0;
    font-size: 18px;
    font-weight: 600
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #999
}

.modal-close:hover {
    color: #333
}

.modal-body {
    padding: 20px
}

.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid #eee;
    display: flex;
    justify-content: flex-end;
    gap: 10px
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    margin: 20px 0
}

.pagination-item {
    display: inline-block;
    padding: 8px 12px;
    border: 1px solid #d9d9d9;
    background: #fff;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    transition: all .3s
}

.pagination-item:hover {
    border-color: #1890ff;
    color: #1890ff
}

.pagination-item.active {
    background-color: #1890ff;
    border-color: #1890ff;
    color: #fff
}

.pagination-item.disabled {
    opacity: .6;
    cursor: not-allowed
}

.tabs {
    border-bottom: 1px solid #eee;
    margin-bottom: 20px
}

.tabs-nav {
    display: flex;
    gap: 0
}

.tabs-item {
    padding: 12px 20px;
    border: none;
    background: none;
    color: #666;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all .3s
}

.tabs-item:hover {
    color: #1890ff
}

.tabs-item.active {
    color: #1890ff;
    border-bottom-color: #1890ff
}

.tabs-content {
    padding: 20px 0
}

.tabs-panel {
    display: none
}

.tabs-panel.active {
    display: block
}

.progress {
    height: 8px;
    background-color: #f0f0f0;
    border-radius: 4px;
    overflow: hidden
}

.progress-bar {
    height: 100%;
    background-color: #1890ff;
    transition: width .3s
}

.progress-bar-success {
    background-color: #52c41a
}

.progress-bar-warning {
    background-color: #faad14
}

.progress-bar-danger {
    background-color: #ff4d4f
}

.tooltip {
    position: relative;
    display: inline-block
}

.tooltip-content {
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translate(-50%);
    background-color: #333;
    color: #fff;
    padding: 6px 8px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all .3s;
    z-index: 1000
}

.tooltip-content:after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translate(-50%);
    border: 4px solid transparent;
    border-top-color: #333
}

.tooltip:hover .tooltip-content {
    opacity: 1;
    visibility: visible
}

@media (max-width: 768px) {
    .btn {
        padding:6px 12px;
        font-size: 13px
    }

    .btn-lg {
        padding: 10px 20px;
        font-size: 15px
    }

    .card-body {
        padding: 16px
    }

    .modal-dialog {
        width: 95%;
        margin: 20px
    }

    .pagination,.tabs-nav {
        flex-wrap: wrap
    }

    .tabs-item {
        padding: 10px 16px;
        font-size: 14px
    }
}