/* Base Button Styles */
.btn {
    display: inline-block;
    padding: 6px 12px;
    margin-bottom: 0;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.42857143;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    background-image: none;
    border: 1px solid transparent;
    border-radius: 4px;
    user-select: none;
}

/* Button Colors */
.btn-default {
    color: #333;
    background-color: #fff;
    border-color: #ccc;
}

.btn-primary {
    color: #fff;
    background-color: #337ab7;
    border-color: #2e6da4;
}

.btn-success {
    color: #fff;
    background-color: #5cb85c;
    border-color: #4cae4c;
}

.btn-info {
    color: #fff;
    background-color: #5bc0de;
    border-color: #46b8da;
}

.btn-warning {
    color: #fff;
    background-color: #f0ad4e;
    border-color: #eea236;
}

.btn-danger {
    color: #fff;
    background-color: #d9534f;
    border-color: #d43f3a;
}

/* Button Sizes */
.btn-lg {
    padding: 10px 16px;
    font-size: 18px;
    line-height: 1.3333333;
    border-radius: 6px;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
    line-height: 1.5;
    border-radius: 3px;
}

.btn-xs {
    padding: 1px 5px;
    font-size: 12px;
    line-height: 1.5;
    border-radius: 3px;
}

/* Disabled State */
.btn[disabled],
.btn.disabled {
    cursor: not-allowed;
    opacity: 0.65;
    background-color: #ccc;
    border-color: #ccc;
}

/* Hover and Active States */
.btn:hover,
.btn:focus,
.btn:active {
    text-decoration: none;
    outline: none;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: #286090;
    border-color: #204d74;
}

.btn-success:hover,
.btn-success:focus {
    background-color: #449d44;
    border-color: #398439;
}

.btn-info:hover,
.btn-info:focus {
    background-color: #31b0d5;
    border-color: #269abc;
}

.btn-warning:hover,
.btn-warning:focus {
    background-color: #ec971f;
    border-color: #d58512;
}

.btn-danger:hover,
.btn-danger:focus {
    background-color: #c9302c;
    border-color: #ac2925;
}