/* Reset & Base */
button, input, select, textarea {
    overflow: visible;
    text-transform: none;
    font-family: inherit;
}

[type=reset], [type=submit], button, html [type=button] {
    -webkit-appearance: button;
    cursor: pointer;
}

/* Typography */
.display-1, .display-2, .display-3, .display-4 {
    line-height: 1.2;
    font-weight: 300;
}

.h1, h1 { font-size: 2.1875rem; }
.h2, h2 { font-size: 1.75rem; }
.h3, h3 { font-size: 1.53125rem; }
.h4, h4 { font-size: 1.3125rem; }
.h5, h5 { font-size: 1.09375rem; }
.h6, h6 { font-size: .875rem; }

/* Grid System (Bootstrap-like) */
.container, .container-fluid {
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -15px;
    margin-left: -15px;
}

.col, [class*="col-"] {
    position: relative;
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
}

/* Utilities */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }

.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.text-left { text-align: left !important; }

.m-0 { margin: 0 !important; }
.p-0 { padding: 0 !important; }

/* Buttons */
.btn {
    display: inline-block;
    font-weight: 400;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    padding: .375rem .75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: .25rem;
    transition: color .15s ease-in-out, background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out;
}

.btn-primary {
    color: #fff;
    background-color: #007bff;
    border-color: #007bff;
}

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

/* Forms */
.form-control {
    display: block;
    width: 100%;
    padding: .375rem .75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: .25rem;
    transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out;
}

/* Alerts */
.alert {
    position: relative;
    padding: .75rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: .25rem;
}

.alert-primary {
    color: #004085;
    background-color: #cce5ff;
    border-color: #b8daff;
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1050;
    display: none;
    width: 100%;
    height: 100%;
    overflow: hidden;
    outline: 0;
}

.modal-dialog {
    position: relative;
    width: auto;
    margin: .5rem;
    pointer-events: none;
}

.modal.fade .modal-dialog {
    transition: -webkit-transform .3s ease-out;
    transition: transform .3s ease-out;
    transition: transform .3s ease-out, -webkit-transform .3s ease-out;
    -webkit-transform: translate(0, -50px);
    transform: translate(0, -50px);
}

.modal.show .modal-dialog {
    -webkit-transform: none;
    transform: none;
}

/* Font Awesome (if needed for icons) */
.fa {
    display: inline-block;
    font: normal normal normal 14px/1 FontAwesome;
    font-size: inherit;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}