/* Minimal replacement for Bootstrap */

*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #333;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  margin-top: 1.4em;
  margin-bottom: 0.6em;
  font-weight: 700;
  line-height: 1.2;
}
h1 { font-size: 2.4em; }
h2 { font-size: 1.8em; }
h3 { font-size: 1.4em; }
h4 { font-size: 1.15em; }
h5 { font-size: 0.85em; }
h6 { font-size: 0.8em; }

a { color: #2563eb; text-decoration: none; }
a:hover { text-decoration: underline; }

p { margin: 0 0 1em; }

pre {
  background: #f5f5f5;
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 12px 16px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.5;
}

code {
  background: #f5f5f5;
  padding: 2px 5px;
  border-radius: 3px;
  font-size: 90%;
}
pre code {
  background: none;
  padding: 0;
  font-size: inherit;
}

hr {
  border: none;
  border-top: 1px solid #ddd;
  margin: 1.5em 0;
}

img { max-width: 100%; height: auto; }

/* Layout */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.col-sm-4, .col-sm-6, .col-sm-8, .col-lg-3, .col-lg-4 { width: 100%; }
@media (min-width: 576px) {
  .col-sm-4 { flex: 0 0 auto; width: calc(33.333% - 14px); }
  .col-sm-6 { flex: 0 0 auto; width: calc(50% - 10px); }
  .col-sm-8 { flex: 1 1 0; min-width: 0; }
}
@media (min-width: 992px) {
  .col-lg-3 { flex: 0 0 auto; width: calc(25% - 15px); }
  .col-lg-4 { flex: 0 0 auto; width: calc(33.333% - 14px); }
}

/* Navigation */
.nav {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 4px;
  flex-wrap: wrap;
}
.nav-pills li a {
  display: block;
  padding: 8px 14px;
  border-radius: 4px;
  color: #555;
  font-size: 15px;
}
.nav-pills li a:hover {
  background: #f0f0f0;
  text-decoration: none;
}
.nav-pills li.active a {
  background: #2563eb;
  color: #fff;
}

.pull-right { margin-left: auto; }

.muted, .text-muted { color: #777; }

/* Jumbotron */
.jumbotron {
  background: #f8f9fa;
  border-radius: 6px;
  padding: 2em;
  text-align: center;
}
.jumbotron h1 {
  margin-top: 0;
}

/* Lead text */
.lead {
  font-size: 1.15em;
  color: #555;
}

/* Labels / Badges */
.label {
  display: inline-block;
  padding: 4px 8px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
  border-radius: 3px;
  color: #fff;
  vertical-align: middle;
  white-space: nowrap;
}
.label-default { background: #6b7280; }
.label-primary { background: #2563eb; }
.label-success { background: #16a34a; }
.label-warning { background: #d97706; }

/* Alerts */
.alert {
  padding: 14px 18px;
  border-radius: 4px;
  margin-bottom: 1em;
}
.alert-success {
  background: #dcfce7;
  border: 1px solid #86efac;
  color: #166534;
}
.alert-danger {
  background: #fee2e2;
  border: 1px solid #fca5a5;
  color: #991b1b;
}

/* Well */
.well {
  background: #f8f9fa;
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 16px;
  margin-bottom: 1em;
  height: 100%;
}

/* Tables */
.table-responsive { overflow-x: auto; }
.table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 1em;
}
.table th, .table td {
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}
.table thead th {
  border-bottom: 2px solid #ddd;
  font-weight: 600;
}
.table-bordered th, .table-bordered td {
  border: 1px solid #ddd;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 8px 18px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.5;
  align-self: flex-start;
}
.btn:hover { text-decoration: none; opacity: 0.9; }
.btn-primary { background: #2563eb; color: #fff; }
.btn-primary:hover { background: #1d4ed8; }
.btn-secondary { background: #6b7280; color: #fff; }
.btn-secondary:hover { background: #4b5563; }

/* Forms */
.form-control {
  display: block;
  width: 100%;
  padding: 8px 12px;
  font-size: 15px;
  line-height: 1.5;
  border: 1px solid #ccc;
  border-radius: 4px;
}
.form-control:focus {
  outline: none;
  border-color: #2563eb;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}
.form-group { margin-bottom: 1em; }
.form-inline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.form-inline .form-control { width: auto; flex: 1; }

/* Text utilities */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-danger { color: #dc2626; }

/* Spacing utilities */
.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.my-2 { margin-top: 20px; margin-bottom: 20px; }
.mx-auto { margin-left: auto; margin-right: auto; }
.p-3 { padding: 30px; }
.py-4 { padding-top: 40px; padding-bottom: 40px; }

/* Pricing */
.price { font-size: 48px; font-weight: bold; margin: 10px 0; }

/* Icons */
i.icon {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -0.125em;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}
.label i.icon { filter: brightness(0) invert(1); }
i.icon-chrome { background-image: url(/images/icons/browser-chrome.svg); }
i.icon-firefox { background-image: url(/images/icons/browser-firefox.svg); }
i.icon-safari { background-image: url(/images/icons/browser-safari.svg); }
i.icon-edge { background-image: url(/images/icons/browser-edge.svg); }
i.icon-check { background-image: url(/images/icons/check.svg); }

.stack-list { list-style: none; padding-left: 0; }
.stack-list li { padding: 4px 0; font-size: 15px; }
.stack-list i { font-size: 20px; width: 28px; text-align: center; vertical-align: middle; margin-right: 6px; }

/* Responsive utilities */
@media (max-width: 575px) {
  .hidden-xs { display: none; }
}