/* Comprehensive Mobile-First Responsive Framework */
/* This file provides a complete responsive design system for the entire application */

/* Base mobile styles - these apply to all screen sizes */
* {
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f8f9fa;
  color: #333;
  line-height: 1.6;
}

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

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

.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: 15px;
  padding-left: 15px;
}

.col-12 {
  flex: 0 0 100%;
  max-width: 100%;
}

.col-11 {
  flex: 0 0 91.666667%;
  max-width: 91.666667%;
}

.col-10 {
  flex: 0 0 83.333333%;
  max-width: 83.333333%;
}

.col-9 {
  flex: 0 0 75%;
  max-width: 75%;
}

.col-8 {
  flex: 0 0 66.666667%;
  max-width: 66.666667%;
}

.col-7 {
  flex: 0 0 58.333333%;
  max-width: 58.333333%;
}

.col-6 {
  flex: 0 0 50%;
  max-width: 50%;
}

.col-5 {
  flex: 0 0 41.666667%;
  max-width: 41.666667%;
}

.col-4 {
  flex: 0 0 33.333333%;
  max-width: 33.333333%;
}

.col-3 {
  flex: 0 0 25%;
  max-width: 25%;
}

.col-2 {
  flex: 0 0 16.666667%;
  max-width: 16.666667%;
}

.col-1 {
  flex: 0 0 8.333333%;
  max-width: 8.333333%;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-weight: 600;
  line-height: 1.2;
}

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.75rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
}

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

/* Buttons */
.btn {
  display: inline-block;
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  user-select: none;
  border: 1px solid transparent;
  padding: 0.375rem 0.75rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: 0.25rem;
  transition: all 0.15s ease-in-out;
  cursor: pointer;
}

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

/* Cards */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  word-wrap: break-word;
  background-color: #fff;
  background-clip: border-box;
  border: 1px solid rgba(0, 0, 0, 0.125);
  border-radius: 0.25rem;
  margin-bottom: 1rem;
}

.card-body {
  flex: 1 1 auto;
  padding: 1.25rem;
}

.card-title {
  margin-bottom: 0.75rem;
}

.card-text {
  margin-bottom: 1rem;
}

/* Forms */
.form-group {
  margin-bottom: 1rem;
}

.form-control {
  display: block;
  width: 100%;
  padding: 0.375rem 0.75rem;
  font-size: 1rem;
  line-height: 1.5;
  color: #495057;
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid #ced4da;
  border-radius: 0.25rem;
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
  color: #495057;
  background-color: #fff;
  border-color: #80bdff;
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-label {
  display: inline-block;
  margin-bottom: 0.5rem;
}

/* Tables */
.table {
  width: 100%;
  margin-bottom: 1rem;
  color: #212529;
  background-color: transparent;
}

.table th,
.table td {
  padding: 0.75rem;
  vertical-align: top;
  border-top: 1px solid #dee2e6;
}

.table thead th {
  vertical-align: bottom;
  border-bottom: 2px solid #dee2e6;
}

/* Table Responsive */
.table-responsive {
  display: block;
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

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

.navbar-brand {
  display: inline-block;
  padding-top: 0.3125rem;
  padding-bottom: 0.3125rem;
  margin-right: 1rem;
  font-size: 1.25rem;
  line-height: inherit;
  white-space: nowrap;
}

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

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

/* Utility Classes */
.text-center {
  text-align: center;
}

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

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

.d-flex {
  display: flex;
}

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

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

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

.m-0 {
  margin: 0;
}

.mt-0 {
  margin-top: 0;
}

.mb-0 {
  margin-bottom: 0;
}

.mt-1 {
  margin-top: 0.25rem;
}

.mb-1 {
  margin-bottom: 0.25rem;
}

.mt-2 {
  margin-top: 0.5rem;
}

.mb-2 {
  margin-bottom: 0.5rem;
}

.mt-3 {
  margin-top: 1rem;
}

.mb-3 {
  margin-bottom: 1rem;
}

.mt-4 {
  margin-top: 1.5rem;
}

.mb-4 {
  margin-bottom: 1.5rem;
}

.mt-5 {
  margin-top: 3rem;
}

.mb-5 {
  margin-bottom: 3rem;
}

.p-0 {
  padding: 0;
}

.pt-0 {
  padding-top: 0;
}

.pb-0 {
  padding-bottom: 0;
}

.pt-1 {
  padding-top: 0.25rem;
}

.pb-1 {
  padding-bottom: 0.25rem;
}

.pt-2 {
  padding-top: 0.5rem;
}

.pb-2 {
  padding-bottom: 0.5rem;
}

.pt-3 {
  padding-top: 1rem;
}

.pb-3 {
  padding-bottom: 1rem;
}

.pt-4 {
  padding-top: 1.5rem;
}

.pb-4 {
  padding-bottom: 1.5rem;
}

.pt-5 {
  padding-top: 3rem;
}

.pb-5 {
  padding-bottom: 3rem;
}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
  .container {
    max-width: 750px;
  }
  
  .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%;
  }
  
  .navbar {
    flex-flow: row nowrap;
    justify-content: flex-start;
  }
  
  .navbar-nav {
    flex-direction: row;
  }
  
  .navbar-nav .nav-link {
    padding-right: 0.5rem;
    padding-left: 0.5rem;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  h3 {
    font-size: 1.75rem;
  }
  
  h4 {
    font-size: 1.5rem;
  }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
  .container {
    max-width: 970px;
  }
  
  .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%;
  }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
  .container {
    max-width: 1170px;
  }
  
  .col-xl-1 {
    flex: 0 0 8.333333%;
    max-width: 8.333333%;
  }
  
  .col-xl-2 {
    flex: 0 0 16.666667%;
    max-width: 16.666667%;
  }
  
  .col-xl-3 {
    flex: 0 0 25%;
    max-width: 25%;
  }
  
  .col-xl-4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
  }
  
  .col-xl-5 {
    flex: 0 0 41.666667%;
    max-width: 41.666667%;
  }
  
  .col-xl-6 {
    flex: 0 0 50%;
    max-width: 50%;
  }
  
  .col-xl-7 {
    flex: 0 0 58.333333%;
    max-width: 58.333333%;
  }
  
  .col-xl-8 {
    flex: 0 0 66.666667%;
    max-width: 66.666667%;
  }
  
  .col-xl-9 {
    flex: 0 0 75%;
    max-width: 75%;
  }
  
  .col-xl-10 {
    flex: 0 0 83.333333%;
    max-width: 83.333333%;
  }
  
  .col-xl-11 {
    flex: 0 0 91.666667%;
    max-width: 91.666667%;
  }
  
  .col-xl-12 {
    flex: 0 0 100%;
    max-width: 100%;
  }
}

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

.d-block {
  display: block !important;
}

.d-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;
  }
}

@media (min-width: 1200px) {
  .d-xl-none {
    display: none !important;
  }
  
  .d-xl-block {
    display: block !important;
  }
  
  .d-xl-flex {
    display: flex !important;
  }
}

/* Mobile-specific enhancements */
@media (max-width: 767px) {
  .mobile-full-width {
    width: 100% !important;
    margin-left: 0 !important;
    margin-right: 0 !important;
  }
  
  .mobile-p-0 {
    padding: 0 !important;
  }
  
  .mobile-m-0 {
    margin: 0 !important;
  }
  
  .mobile-text-center {
    text-align: center !important;
  }
  
  .mobile-stack {
    flex-direction: column !important;
  }
  
  .btn {
    padding: 0.5rem 1rem;
    font-size: 1rem;
    width: 100%;
    margin-bottom: 0.5rem;
  }
  
  .form-control {
    margin-bottom: 1rem;
  }
  
  .card {
    margin-bottom: 1rem;
  }
  
  .table-responsive {
    display: block;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* Touch device enhancements */
@media (hover: none) and (pointer: coarse) {
  .btn:hover {
    transform: none;
  }
  
  a:hover {
    color: inherit;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  body {
    background-color: #fff;
    color: #000;
  }
  
  .card {
    border: 2px solid #000;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}