/* CLEAN CSS - NO FRAMEWORKS - JUST REAL CSS */

/* Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  line-height: 1.6;
  color: #333;
  background: #f8f9fa;
}

/* LAYOUT SYSTEM */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.flex {
  display: flex;
}

.flex-wrap {
  flex-wrap: wrap;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.justify-center {
  justify-content: center;
}

.flex-1 {
  flex: 1;
}

/* GRID SYSTEM - SIMPLE AND CLEAN */
.grid {
  display: grid;
}

.grid-2 {
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.grid-3 {
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
}

.grid-4 {
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 20px;
}

/* SPACING */
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }

.m-0 { margin: 0; }
.m-1 { margin: 0.25rem; }
.m-2 { margin: 0.5rem; }
.m-3 { margin: 0.75rem; }
.m-4 { margin: 1rem; }
.m-5 { margin: 1.25rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }
.mt-6 { margin-top: 1.5rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: 1.5rem; }

.ml-1 { margin-left: 0.25rem; }
.ml-2 { margin-left: 0.5rem; }
.ml-3 { margin-left: 0.75rem; }
.ml-4 { margin-left: 1rem; }

.mr-1 { margin-right: 0.25rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 0.75rem; }
.mr-4 { margin-right: 1rem; }

.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }

.px-1 { padding-left: 0.25rem; padding-right: 0.25rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }

.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-5 { padding-top: 1.25rem; padding-bottom: 1.25rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }

/* BUTTONS - CLEAN AND SIMPLE */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
}

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

.btn-primary:hover {
  background: #0056b3;
}

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

.btn-secondary:hover {
  background: #545b62;
}

.btn-success {
  background: #28a745;
  color: white;
}

.btn-success:hover {
  background: #1e7e34;
}

.btn-danger {
  background: #dc3545;
  color: white;
}

.btn-danger:hover {
  background: #c82333;
}

.btn-outline-primary {
  background: transparent;
  color: #007bff;
  border: 1px solid #007bff;
}

.btn-outline-primary:hover {
  background: #007bff;
  color: white;
}

.btn-outline-secondary {
  background: transparent;
  color: #6c757d;
  border: 1px solid #6c757d;
}

.btn-outline-secondary:hover {
  background: #6c757d;
  color: white;
}

/* CARDS */
.card {
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  overflow: hidden;
}

.card-header {
  padding: 20px;
  border-bottom: 1px solid #e9ecef;
  background: #f8f9fa;
}

.card-body {
  padding: 20px;
}

.card-footer {
  padding: 20px;
  border-top: 1px solid #e9ecef;
  background: #f8f9fa;
}

.card-title {
  margin: 0 0 10px 0;
  font-size: 18px;
  font-weight: 600;
}

/* FORMS */
input, textarea, select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 14px;
  background: white;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: #007bff;
  box-shadow: 0 0 0 3px rgba(0,123,255,0.1);
}

label {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
  color: #333;
}

/* TABLES */
table {
  width: 100%;
  border-collapse: collapse;
  background: white;
}

th, td {
  padding: 12px;
  text-align: left;
  border-bottom: 1px solid #e9ecef;
}

th {
  background: #f8f9fa;
  font-weight: 600;
}

/* NAVIGATION */
.navbar {
  background: #343a40;
  color: white;
  padding: 15px 0;
}

.navbar-brand {
  font-size: 20px;
  font-weight: bold;
  color: white;
  text-decoration: none;
}

.nav-link {
  color: rgba(255,255,255,0.8);
  text-decoration: none;
  padding: 8px 15px;
  border-radius: 4px;
}

.nav-link:hover {
  color: white;
  background: rgba(255,255,255,0.1);
}

/* SIDEBAR */
.sidebar {
  width: 250px;
  background: white;
  border-right: 1px solid #e9ecef;
  min-height: 100vh;
  position: fixed;
  left: 0;
  top: 0;
  overflow-y: auto;
}

.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid #e9ecef;
}

.nav-menu {
  list-style: none;
  padding: 0;
  margin: 0;
}

.nav-item {
  margin: 0;
}

.nav-item .nav-link {
  display: flex;
  align-items: center;
  padding: 12px 20px;
  color: #333;
  text-decoration: none;
  border-left: 3px solid transparent;
}

.nav-item .nav-link:hover {
  background: #f8f9fa;
  border-left-color: #007bff;
}

.nav-item .nav-link.active {
  background: #e3f2fd;
  border-left-color: #007bff;
  color: #007bff;
}

/* MAIN CONTENT */
.main-content {
  margin-left: 250px;
  padding: 20px;
  min-height: 100vh;
}

/* UTILITIES */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: #007bff; }
.text-secondary { color: #6c757d; }
.text-success { color: #28a745; }
.text-danger { color: #dc3545; }
.text-warning { color: #ffc107; }
.text-info { color: #17a2b8; }

.bg-primary { background: #007bff; }
.bg-secondary { background: #6c757d; }
.bg-success { background: #28a745; }
.bg-danger { background: #dc3545; }
.bg-warning { background: #ffc107; }
.bg-info { background: #17a2b8; }
.bg-light { background: #f8f9fa; }
.bg-dark { background: #343a40; }
.bg-white { background: white; }

.border { border: 1px solid #e9ecef; }
.border-top { border-top: 1px solid #e9ecef; }
.border-bottom { border-bottom: 1px solid #e9ecef; }
.border-left { border-left: 1px solid #e9ecef; }
.border-right { border-right: 1px solid #e9ecef; }

.rounded { border-radius: 4px; }
.rounded-lg { border-radius: 8px; }
.rounded-full { border-radius: 50%; }

.shadow { box-shadow: 0 2px 4px rgba(0,0,0,0.1); }
.shadow-lg { box-shadow: 0 4px 8px rgba(0,0,0,0.15); }

.w-full { width: 100%; }
.h-full { height: 100%; }

.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }
.hidden { display: none; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }

.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }

/* RESPONSIVE */
@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s;
  }
  
  .sidebar.open {
    transform: translateX(0);
  }
  
  .main-content {
    margin-left: 0;
  }
  
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ENTERPRISE-LEVEL PURE CSS FRAMEWORK REPLACEMENT */

/* Container System - Replaces Bootstrap containers */
.container-fluid { 
  width: 100%; 
  padding-right: 1rem;
  padding-left: 1rem;
  margin-right: auto;
  margin-left: auto;
}

.container {
  width: 100%;
  padding-right: 1rem;
  padding-left: 1rem;
  margin-right: auto;
  margin-left: auto;
  max-width: 1200px;
}

/* Grid System - Replaces Bootstrap grid */
.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -0.75rem;
  margin-left: -0.75rem;
}

.col, .col-1, .col-2, .col-3, .col-4, .col-5, .col-6,
.col-7, .col-8, .col-9, .col-10, .col-11, .col-12 {
  position: relative;
  width: 100%;
  padding-right: 0.75rem;
  padding-left: 0.75rem;
}

.col { flex: 1 0 0%; }
.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%; }

/* Medium screens 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%; }
}

/* Navigation System - Replaces Bootstrap navbar */
.navbar {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
}

.navbar-expand-lg {
  flex-flow: row nowrap;
  justify-content: flex-start;
}

.navbar-light {
  background-color: #f8f9fa;
}

.navbar-dark {
  background-color: #343a40;
}

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

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

.nav-item {
  margin: 0;
}

.nav-link {
  display: block;
  padding: 0.5rem 1rem;
  color: #007bff;
  text-decoration: none;
  transition: color 0.15s ease-in-out;
}

.nav-link:hover {
  color: #0056b3;
  text-decoration: none;
}

/* Utility Classes */
.ms-auto { margin-left: auto; }
.me-2 { margin-right: 0.5rem; }

.d-flex { display: flex; }
.d-none { display: none; }
.d-block { display: block; }
.d-lg-block { display: block; }

.justify-content-between { justify-content: space-between; }
.align-items-center { align-items: center; }

.w-100 { width: 100%; }
.rounded-pill { border-radius: 50px; }

/* INERTIA LINK BUTTON FIXES */
button.block {
  display: block;
}

button.w-full {
  width: 100%;
}

button.text-left {
  text-align: left;
}

button.border-none {
  border: none;
}

button.bg-transparent {
  background: transparent;
}

button.cursor-pointer {
  cursor: pointer;
}