/* ========================================
   FLEXBOX GRID SYSTEM - Modern Replacement for Bootstrap 3
   No float, pure Flexbox-based grid
   ======================================== */

/* CSS Reset */
* {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 14px;
    line-height: 1.428571429;
    color: #333333;
    background-color: #f5f7fa;
}

/* ========================================
   CONTAINER
   ======================================== */
.container {
    margin-right: auto;
    margin-left: auto;
    padding-left: 15px;
    padding-right: 15px;
}

@media (min-width: 768px) {
    .container {
        width: 750px;
    }
}

@media (min-width: 992px) {
    .container {
        width: 970px;
    }
}

@media (min-width: 1200px) {
    .container {
        width: 1170px;
    }
}

.container-fluid {
    margin-right: auto;
    margin-left: auto;
    padding-left: 15px;
    padding-right: 15px;
    width: 100%;
}

/* ========================================
   FLEXBOX ROW SYSTEM
   ======================================== */
.row {
    display: flex;
    flex-wrap: wrap;
    margin-left: -15px;
    margin-right: -15px;
}

.row::after,
.row::before {
    content: "";
    display: table;
    clear: both;
}

/* Column Base */
[class*="col-"] {
    position: relative;
    min-height: 1px;
    padding-left: 15px;
    padding-right: 15px;
    width: 100%;
}

/* ========================================
   MOBILE FIRST (XS) - Default
   ======================================== */
.col-xs-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
.col-xs-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
.col-xs-3 { flex: 0 0 25%; max-width: 25%; }
.col-xs-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-xs-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
.col-xs-6 { flex: 0 0 50%; max-width: 50%; }
.col-xs-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
.col-xs-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
.col-xs-9 { flex: 0 0 75%; max-width: 75%; }
.col-xs-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
.col-xs-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
.col-xs-12 { flex: 0 0 100%; max-width: 100%; }

/* ========================================
   SMALL (SM) - Tablets ≥768px
   ======================================== */
@media (min-width: 768px) {
    .col-sm-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
    .col-sm-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-sm-3 { flex: 0 0 25%; max-width: 25%; }
    .col-sm-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-sm-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
    .col-sm-6 { flex: 0 0 50%; max-width: 50%; }
    .col-sm-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
    .col-sm-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-sm-9 { flex: 0 0 75%; max-width: 75%; }
    .col-sm-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
    .col-sm-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
    .col-sm-12 { flex: 0 0 100%; max-width: 100%; }
}

/* ========================================
   MEDIUM (MD) - Tablets & Desktops ≥768px
   ======================================== */
@media (min-width: 768px) {
    .col-md-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
    .col-md-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-md-3 { flex: 0 0 25%; max-width: 25%; }
    .col-md-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-md-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
    .col-md-6 { flex: 0 0 50%; max-width: 50%; }
    .col-md-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
    .col-md-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-md-9 { flex: 0 0 75%; max-width: 75%; }
    .col-md-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
    .col-md-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
    .col-md-12 { flex: 0 0 100%; max-width: 100%; }
}

/* ========================================
   LARGE (LG) - Large Desktops ≥1200px
   ======================================== */
@media (min-width: 1200px) {
    .col-lg-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
    .col-lg-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
    .col-lg-3 { flex: 0 0 25%; max-width: 25%; }
    .col-lg-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
    .col-lg-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
    .col-lg-6 { flex: 0 0 50%; max-width: 50%; }
    .col-lg-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
    .col-lg-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
    .col-lg-9 { flex: 0 0 75%; max-width: 75%; }
    .col-lg-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
    .col-lg-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
    .col-lg-12 { flex: 0 0 100%; max-width: 100%; }
}

/* ========================================
   OFFSET CLASSES
   ======================================== */
@media (min-width: 768px) {
    .col-sm-offset-1 { margin-left: 8.333333%; }
    .col-sm-offset-2 { margin-left: 16.666667%; }
    .col-sm-offset-3 { margin-left: 25%; }
    .col-sm-offset-4 { margin-left: 33.333333%; }
    .col-sm-offset-5 { margin-left: 41.666667%; }
    .col-sm-offset-6 { margin-left: 50%; }
    .col-sm-offset-7 { margin-left: 58.333333%; }
    .col-sm-offset-8 { margin-left: 66.666667%; }
    .col-sm-offset-9 { margin-left: 75%; }
    .col-sm-offset-10 { margin-left: 83.333333%; }
    .col-sm-offset-11 { margin-left: 91.666667%; }
}

@media (min-width: 768px) {
    .col-md-offset-1 { margin-left: 8.333333%; }
    .col-md-offset-2 { margin-left: 16.666667%; }
    .col-md-offset-3 { margin-left: 25%; }
    .col-md-offset-4 { margin-left: 33.333333%; }
    .col-md-offset-5 { margin-left: 41.666667%; }
    .col-md-offset-6 { margin-left: 50%; }
    .col-md-offset-7 { margin-left: 58.333333%; }
    .col-md-offset-8 { margin-left: 66.666667%; }
    .col-md-offset-9 { margin-left: 75%; }
    .col-md-offset-10 { margin-left: 83.333333%; }
    .col-md-offset-11 { margin-left: 91.666667%; }
}

@media (min-width: 1200px) {
    .col-lg-offset-1 { margin-left: 8.333333%; }
    .col-lg-offset-2 { margin-left: 16.666667%; }
    .col-lg-offset-3 { margin-left: 25%; }
    .col-lg-offset-4 { margin-left: 33.333333%; }
    .col-lg-offset-5 { margin-left: 41.666667%; }
    .col-lg-offset-6 { margin-left: 50%; }
    .col-lg-offset-7 { margin-left: 58.333333%; }
    .col-lg-offset-8 { margin-left: 66.666667%; }
    .col-lg-offset-9 { margin-left: 75%; }
    .col-lg-offset-10 { margin-left: 83.333333%; }
    .col-lg-offset-11 { margin-left: 91.666667%; }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.clearfix::after,
.clearfix::before {
    content: "";
    display: table;
    clear: both;
}

.pull-left {
    float: left !important;
}

.pull-right {
    float: right !important;
}

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

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

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

.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

/* Responsive utilities */
@media (max-width: 767px) {
    .hidden-xs {
        display: none !important;
    }
}

@media (min-width: 768px) and (max-width: 991px) {
    .hidden-sm {
        display: none !important;
    }
}

@media (min-width: 992px) and (max-width: 1199px) {
    .hidden-md {
        display: none !important;
    }
}

@media (min-width: 1200px) {
    .hidden-lg {
        display: none !important;
    }
}

/* ========================================
   BASIC TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-family: inherit;
    font-weight: 500;
    line-height: 1.1;
    color: inherit;
}

h1 { font-size: 36px; }
h2 { font-size: 30px; }
h3 { font-size: 24px; }
h4 { font-size: 18px; }
h5 { font-size: 14px; }
h6 { font-size: 12px; }

p {
    margin: 0 0 10px;
}

a {
    color: #667eea;
    text-decoration: none;
}

a:hover,
a:focus {
    color: #764ba2;
    text-decoration: underline;
}

/* ========================================
   BUTTONS (Basic)
   ======================================== */
.btn {
    display: inline-block;
    padding: 6px 12px;
    margin-bottom: 0;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.428571429;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: 4px;
    user-select: none;
}

.btn:hover,
.btn:focus {
    text-decoration: none;
}

.btn-primary {
    color: #ffffff;
    background-color: #667eea;
    border-color: #667eea;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: #5568d3;
    border-color: #4e5fc7;
}

.btn-success {
    color: #ffffff;
    background-color: #10b981;
    border-color: #10b981;
}

.btn-danger {
    color: #ffffff;
    background-color: #ef4444;
    border-color: #ef4444;
}

.btn-warning {
    color: #ffffff;
    background-color: #f59e0b;
    border-color: #f59e0b;
}

.btn-info {
    color: #ffffff;
    background-color: #3b82f6;
    border-color: #3b82f6;
}

.btn-lg {
    padding: 10px 16px;
    font-size: 18px;
    border-radius: 6px;
}

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

.btn-block {
    display: block;
    width: 100%;
}

/* ========================================
   FORMS (Basic)
   ======================================== */
.form-control {
    display: block;
    width: 100%;
    height: 34px;
    padding: 6px 12px;
    font-size: 14px;
    line-height: 1.428571429;
    color: #555555;
    background-color: #ffffff;
    background-image: none;
    border: 1px solid #cccccc;
    border-radius: 4px;
    box-shadow: inset 0 1px 1px rgba(0,0,0,0.075);
    transition: border-color ease-in-out 0.15s, box-shadow ease-in-out 0.15s;
}

.form-control:focus {
    border-color: #667eea;
    outline: 0;
    box-shadow: inset 0 1px 1px rgba(0,0,0,0.075), 0 0 8px rgba(102, 126, 234, 0.6);
}

select.form-control {
    height: 34px;
    line-height: 34px;
}

textarea.form-control {
    height: auto;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: inline-block;
    max-width: 100%;
    margin-bottom: 5px;
    font-weight: 600;
}

/* ========================================
   TABLE (Basic)
   ======================================== */
table {
    background-color: transparent;
    border-collapse: collapse;
    border-spacing: 0;
}

.table {
    width: 100%;
    max-width: 100%;
    margin-bottom: 20px;
}

.table > thead > tr > th,
.table > tbody > tr > th,
.table > tfoot > tr > th,
.table > thead > tr > td,
.table > tbody > tr > td,
.table > tfoot > tr > td {
    padding: 8px;
    line-height: 1.428571429;
    vertical-align: top;
    border-top: 1px solid #dddddd;
}

.table > thead > tr > th {
    vertical-align: bottom;
    border-bottom: 2px solid #dddddd;
}

.table-striped > tbody > tr:nth-of-type(odd) {
    background-color: #f9f9f9;
}

.table-bordered {
    border: 1px solid #dddddd;
}

.table-bordered > thead > tr > th,
.table-bordered > tbody > tr > th,
.table-bordered > tfoot > tr > th,
.table-bordered > thead > tr > td,
.table-bordered > tbody > tr > td,
.table-bordered > tfoot > tr > td {
    border: 1px solid #dddddd;
}

/* ========================================
   SPACING UTILITIES
   ======================================== */
.m-0 { margin: 0 !important; }
.mt-0 { margin-top: 0 !important; }
.mr-0 { margin-right: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.ml-0 { margin-left: 0 !important; }

.m-1 { margin: 0.25rem !important; }
.mt-1 { margin-top: 0.25rem !important; }
.mr-1 { margin-right: 0.25rem !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.ml-1 { margin-left: 0.25rem !important; }

.m-2 { margin: 0.5rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mr-2 { margin-right: 0.5rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.ml-2 { margin-left: 0.5rem !important; }

.m-3 { margin: 1rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mr-3 { margin-right: 1rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.ml-3 { margin-left: 1rem !important; }

.m-4 { margin: 1.5rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.mr-4 { margin-right: 1.5rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.ml-4 { margin-left: 1.5rem !important; }

.m-5 { margin: 3rem !important; }
.mt-5 { margin-top: 3rem !important; }
.mr-5 { margin-right: 3rem !important; }
.mb-5 { margin-bottom: 3rem !important; }
.ml-5 { margin-left: 3rem !important; }

.p-0 { padding: 0 !important; }
.pt-0 { padding-top: 0 !important; }
.pr-0 { padding-right: 0 !important; }
.pb-0 { padding-bottom: 0 !important; }
.pl-0 { padding-left: 0 !important; }

.p-1 { padding: 0.25rem !important; }
.pt-1 { padding-top: 0.25rem !important; }
.pr-1 { padding-right: 0.25rem !important; }
.pb-1 { padding-bottom: 0.25rem !important; }
.pl-1 { padding-left: 0.25rem !important; }

.p-2 { padding: 0.5rem !important; }
.pt-2 { padding-top: 0.5rem !important; }
.pr-2 { padding-right: 0.5rem !important; }
.pb-2 { padding-bottom: 0.5rem !important; }
.pl-2 { padding-left: 0.5rem !important; }

.p-3 { padding: 1rem !important; }
.pt-3 { padding-top: 1rem !important; }
.pr-3 { padding-right: 1rem !important; }
.pb-3 { padding-bottom: 1rem !important; }
.pl-3 { padding-left: 1rem !important; }

.p-4 { padding: 1.5rem !important; }
.pt-4 { padding-top: 1.5rem !important; }
.pr-4 { padding-right: 1.5rem !important; }
.pb-4 { padding-bottom: 1.5rem !important; }
.pl-4 { padding-left: 1.5rem !important; }

.p-5 { padding: 3rem !important; }
.pt-5 { padding-top: 3rem !important; }
.pr-5 { padding-right: 3rem !important; }
.pb-5 { padding-bottom: 3rem !important; }
.pl-5 { padding-left: 3rem !important; }

/* ========================================
   DISPLAY UTILITIES
   ======================================== */
.d-none { display: none !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }

/* Flexbox utilities */
.flex-row { flex-direction: row !important; }
.flex-column { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }

.justify-content-start { justify-content: flex-start !important; }
.justify-content-end { justify-content: flex-end !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-around { justify-content: space-around !important; }

.align-items-start { align-items: flex-start !important; }
.align-items-end { align-items: flex-end !important; }
.align-items-center { align-items: center !important; }
.align-items-baseline { align-items: baseline !important; }
.align-items-stretch { align-items: stretch !important; }

/* ========================================
   RESPONSIVE IMAGES
   ======================================== */
img {
    vertical-align: middle;
    border: 0;
}

.img-responsive {
    display: block;
    max-width: 100%;
    height: auto;
}

.img-rounded {
    border-radius: 6px;
}

.img-circle {
    border-radius: 50%;
}

/* ========================================
   ALERTS (Basic)
   ======================================== */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    border-radius: 4px;
}

.alert-success {
    color: #0f5132;
    background-color: #d1f5e8;
    border-color: #10b981;
}

.alert-danger {
    color: #842029;
    background-color: #fee2e2;
    border-color: #ef4444;
}

.alert-warning {
    color: #664d03;
    background-color: #fff3cd;
    border-color: #f59e0b;
}

.alert-info {
    color: #084298;
    background-color: #dbeafe;
    border-color: #3b82f6;
}