/**
 * Lightweight Bootstrap Replacement
 * Replaces ~240KB Bootstrap with ~3KB custom CSS
 *
 * Covers: reboot/normalize, grid system, flexbox utilities, text utilities, spacing
 */

/* ==========================================================================
   CSS Custom Properties (matching Bootstrap breakpoints)
   ========================================================================== */
:root {
  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 992px;
  --breakpoint-xl: 1200px;
}

/* ==========================================================================
   Reboot / Normalize (essential Bootstrap base styles)
   ========================================================================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

body {
  margin: 0;
  line-height: 1.5;
}

main {
  display: block;
}

hr {
  box-sizing: content-box;
  height: 0;
  overflow: visible;
  margin-top: 1rem;
  margin-bottom: 1rem;
  border: 0;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

/* Typography resets */
h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: 0.5rem;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

/* List resets */
ol,
ul {
  margin-top: 0;
  margin-bottom: 1rem;
  padding-left: 2rem;
}

ol ol,
ul ul,
ol ul,
ul ol {
  margin-bottom: 0;
}

/* Link styles */
a {
  text-decoration: none;
  background-color: transparent;
}

a:hover {
  text-decoration: underline;
}

/* Image resets */
img,
svg {
  vertical-align: middle;
}

/* Table resets */
table {
  border-collapse: collapse;
}

/* Form resets */
label {
  display: inline-block;
  margin-bottom: 0.5rem;
}

button {
  border-radius: 0;
}

button:focus {
  outline: 1px dotted;
  outline: 5px auto -webkit-focus-ring-color;
}

input,
button,
select,
optgroup,
textarea {
  margin: 0;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

button,
input {
  overflow: visible;
}

button,
select {
  text-transform: none;
}

button,
[type="button"],
[type="reset"],
[type="submit"] {
  -webkit-appearance: button;
}

textarea {
  overflow: auto;
  resize: vertical;
}

/* Fieldset/legend */
fieldset {
  min-width: 0;
  padding: 0;
  margin: 0;
  border: 0;
}

legend {
  display: block;
  width: 100%;
  max-width: 100%;
  padding: 0;
  margin-bottom: 0.5rem;
  font-size: 1.5rem;
  line-height: inherit;
  color: inherit;
  white-space: normal;
}

/* Summary/details */
summary {
  display: list-item;
  cursor: pointer;
}

/* Hidden attribute */
[hidden] {
  display: none !important;
}

/* ==========================================================================
   Container
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1140px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 15px;
  padding-right: 15px;
  box-sizing: border-box;
}

.container-fluid {
  width: 100%;
  padding-left: 15px;
  padding-right: 15px;
  box-sizing: border-box;
}

/* ==========================================================================
   Grid System
   ========================================================================== */
.row {
  display: flex;
  flex-wrap: wrap;
  margin-left: -15px;
  margin-right: -15px;
}

/* Base column styles */
[class*="col-"] {
  position: relative;
  width: 100%;
  padding-left: 15px;
  padding-right: 15px;
  box-sizing: border-box;
}

/* Extra small (default - mobile first) */
.col-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }
.col-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
.col-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
.col-9 { flex: 0 0 75%; max-width: 75%; }
.col-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
.col-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
.col-12 { flex: 0 0 100%; max-width: 100%; }

/* XS columns (always apply) */
.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 devices (576px and up) */
@media (min-width: 576px) {
  .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 devices (768px and up) */
@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 devices (992px and up) */
@media (min-width: 992px) {
  .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%; }

  /* Offsets for lg */
  .offset-lg-1 { margin-left: 8.333333%; }
  .offset-lg-2 { margin-left: 16.666667%; }
  .offset-lg-3 { margin-left: 25%; }
}

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

.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-stretch { align-items: stretch !important; }

/* Order utilities */
.order-1 { order: 1 !important; }
.order-2 { order: 2 !important; }
.order-3 { order: 3 !important; }

/* Responsive order utilities */
@media (min-width: 768px) {
  .order-md-1 { order: 1 !important; }
  .order-md-2 { order: 2 !important; }
  .order-md-3 { order: 3 !important; }
}

@media (min-width: 992px) {
  .order-lg-1 { order: 1 !important; }
  .order-lg-2 { order: 2 !important; }
  .order-lg-3 { order: 3 !important; }
}

/* Responsive display utilities */
@media (min-width: 576px) {
  .d-sm-none { display: none !important; }
  .d-sm-block { display: block !important; }
  .d-sm-flex { display: flex !important; }
}

@media (min-width: 768px) {
  .d-md-none { display: none !important; }
  .d-md-block { display: block !important; }
  .d-md-flex { display: flex !important; }
}

@media (min-width: 992px) {
  .d-lg-none { display: none !important; }
  .d-lg-block { display: block !important; }
  .d-lg-flex { display: flex !important; }
}

/* ==========================================================================
   Text Utilities
   ========================================================================== */
.text-left { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }

/* ==========================================================================
   Spacing Utilities (margin/padding)
   ========================================================================== */
/* Margin */
.m-0 { margin: 0 !important; }
.m-1 { margin: 0.25rem !important; }
.m-2 { margin: 0.5rem !important; }
.m-3 { margin: 1rem !important; }
.m-4 { margin: 1.5rem !important; }
.m-5 { margin: 3rem !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 0.25rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.mt-5 { margin-top: 3rem !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }

.ml-0 { margin-left: 0 !important; }
.ml-auto { margin-left: auto !important; }
.mr-0 { margin-right: 0 !important; }
.mr-auto { margin-right: auto !important; }
.mx-auto { margin-left: auto !important; margin-right: auto !important; }

/* Padding */
.p-0 { padding: 0 !important; }
.p-1 { padding: 0.25rem !important; }
.p-2 { padding: 0.5rem !important; }
.p-3 { padding: 1rem !important; }
.p-4 { padding: 1.5rem !important; }
.p-5 { padding: 3rem !important; }

.pt-0 { padding-top: 0 !important; }
.pt-3 { padding-top: 1rem !important; }
.pt-4 { padding-top: 1.5rem !important; }
.pt-5 { padding-top: 3rem !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-3 { padding-bottom: 1rem !important; }
.pb-4 { padding-bottom: 1.5rem !important; }
.pb-5 { padding-bottom: 3rem !important; }

/* ==========================================================================
   Button Base (theme handles specific styles)
   ========================================================================== */
.btn {
  display: inline-block;
  font-weight: 400;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  padding: 0.375rem 0.75rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: 0.25rem;
  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out;
  text-decoration: none;
  border: 1px solid transparent;
}

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

.btn-lg {
  padding: 0.5rem 1rem;
  font-size: 1.25rem;
  border-radius: 0.3rem;
}

/* ==========================================================================
   Navbar (minimal - theme handles most styling)
   ========================================================================== */
.navbar-collapse {
  flex-basis: 100%;
  flex-grow: 1;
  align-items: center;
}

.navbar-collapse.collapse:not(.show) {
  display: none;
}

.navbar-collapse.show {
  display: block;
}

@media (min-width: 992px) {
  .navbar-expand-lg .navbar-collapse {
    display: flex !important;
    flex-basis: auto;
  }

  .navbar-expand-lg .navbar-toggler {
    display: none;
  }
}

.navbar-nav {
  display: flex;
  flex-direction: column;
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
}

@media (min-width: 992px) {
  .navbar-nav {
    flex-direction: row;
  }
}

.nav-link {
  display: block;
  padding: 0.5rem 1rem;
}

.nav-item {
  list-style: none;
}

/* Screen reader only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   Dropdown (for nav walker)
   ========================================================================== */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 1000;
  display: none;
  min-width: 10rem;
  padding: 0.5rem 0;
  margin: 0.125rem 0 0;
  background-color: #fff;
  border: 1px solid rgba(0, 0, 0, 0.15);
  border-radius: 0.25rem;
}

.dropdown-menu.show {
  display: block;
}

.dropdown-item {
  display: block;
  width: 100%;
  padding: 0.25rem 1.5rem;
  clear: both;
  font-weight: 400;
  color: #212529;
  text-align: inherit;
  white-space: nowrap;
  background-color: transparent;
  border: 0;
  text-decoration: none;
}

.dropdown-item:hover,
.dropdown-item:focus {
  color: #16181b;
  background-color: #f8f9fa;
}

.dropdown-divider {
  height: 0;
  margin: 0.5rem 0;
  overflow: hidden;
  border-top: 1px solid #e9ecef;
}

.dropdown-header {
  display: block;
  padding: 0.5rem 1.5rem;
  margin-bottom: 0;
  font-size: 0.875rem;
  color: #6c757d;
  white-space: nowrap;
}