/* ========================================
   Firefox Afterglow Bootstrap Theme
   ======================================== */

/* CSS Custom Properties (Variables) */
:root {
  /* Afterglow Colors */
  --afterglow-coral: #FFA7A6;
  --afterglow-pink: #FF6A8A;
  --afterglow-blue: #5A78FF;
  --afterglow-purple: #9D4FFF;
  
  /* Primary color scheme */
  --primary: #FF6A8A;
  --secondary: #5A78FF;
  --success: #28a745;
  --info: #9D4FFF;
  --warning: #ffc107;
  --danger: #dc3545;
  --light: #f8f9fa;
  --dark: #343a40;
  
  /* Neutral colors */
  --white: #ffffff;
  --gray-100: #f8f9fa;
  --gray-200: #e9ecef;
  --gray-300: #dee2e6;
  --gray-400: #ced4da;
  --gray-500: #adb5bd;
  --gray-600: #6c757d;
  --gray-700: #495057;
  --gray-800: #343a40;
  --gray-900: #212529;
  --black: #000000;
  
  /* Gradient */
  --gradient-afterglow: linear-gradient(135deg, var(--afterglow-coral) 0%, var(--afterglow-pink) 33%, var(--afterglow-blue) 66%, var(--afterglow-purple) 100%);
  
  /* Typography */
  --font-family-sans-serif: "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-family-monospace: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  
  /* Spacing */
  --spacer: 1rem;
  
  /* Border radius */
  --border-radius: 0.25rem;
  --border-radius-lg: 0.5rem;
  --border-radius-sm: 0.2rem;
  
  /* Shadows */
  --box-shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  --box-shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
}

/* ========================================
   Base Styles
   ======================================== */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-family-sans-serif);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--gray-900);
  background-color: var(--white);
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-weight: 500;
  line-height: 1.2;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.15s ease-in-out;
}

a:hover {
  color: var(--afterglow-purple);
  text-decoration: underline;
}

/* ========================================
   Container & Grid System
   ======================================== */

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

@media (min-width: 576px) {
  .container { max-width: 540px; }
}

@media (min-width: 768px) {
  .container { max-width: 720px; }
}

@media (min-width: 992px) {
  .container { max-width: 960px; }
}

@media (min-width: 1200px) {
  .container { max-width: 1140px; }
}

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

.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -15px;
  margin-left: -15px;
}

[class*="col-"] {
  position: relative;
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
}

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

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-block;
  font-weight: 400;
  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: var(--border-radius);
  transition: all 0.15s ease-in-out;
  cursor: pointer;
}

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

.btn:focus {
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(255, 106, 138, 0.25);
}

.btn-primary {
  color: var(--white);
  background-color: var(--primary);
  border-color: var(--primary);
}

.btn-primary:hover {
  background-color: #ff5678;
  border-color: #ff4a6d;
}

.btn-secondary {
  color: var(--white);
  background-color: var(--secondary);
  border-color: var(--secondary);
}

.btn-secondary:hover {
  background-color: #4866ff;
  border-color: #3654ff;
}

.btn-gradient {
  color: var(--white);
  background: var(--gradient-afterglow);
  border: none;
  font-weight: 500;
}

.btn-gradient:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: var(--box-shadow);
}

.btn-outline-primary {
  color: var(--primary);
  background-color: transparent;
  border-color: var(--primary);
}

.btn-outline-primary:hover {
  color: var(--white);
  background-color: var(--primary);
  border-color: var(--primary);
}

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

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
  border-radius: var(--border-radius-sm);
}

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

/* ========================================
   Cards
   ======================================== */

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  word-wrap: break-word;
  background-color: var(--white);
  background-clip: border-box;
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow-sm);
  transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow);
}

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

.card-title {
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
  font-weight: 500;
}

.card-text {
  margin-bottom: 0;
}

.card-header {
  padding: 0.75rem 1.25rem;
  margin-bottom: 0;
  background-color: var(--gray-100);
  border-bottom: 1px solid var(--gray-300);
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.card-footer {
  padding: 0.75rem 1.25rem;
  background-color: var(--gray-100);
  border-top: 1px solid var(--gray-300);
  border-radius: 0 0 var(--border-radius) var(--border-radius);
}

.card-img-top {
  width: 100%;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}

/* Card with gradient accent */
.card-afterglow {
  border-top: 4px solid;
  border-image: var(--gradient-afterglow) 1;
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  background-color: var(--white);
  box-shadow: var(--box-shadow-sm);
}

.navbar-brand {
  display: inline-block;
  padding-top: 0.3125rem;
  padding-bottom: 0.3125rem;
  margin-right: 1rem;
  font-size: 1.25rem;
  font-weight: 600;
  line-height: inherit;
  white-space: nowrap;
  background: var(--gradient-afterglow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.nav-link {
  display: block;
  padding: 0.5rem 1rem;
  color: var(--gray-700);
  transition: color 0.15s ease-in-out;
}

.nav-link:hover {
  color: var(--primary);
  text-decoration: none;
}

.nav-link.active {
  color: var(--primary);
  font-weight: 500;
}

/* ========================================
   Badges
   ======================================== */

.badge {
  display: inline-block;
  padding: 0.25em 0.4em;
  font-size: 75%;
  font-weight: 700;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: var(--border-radius-sm);
}

.badge-primary {
  color: var(--white);
  background-color: var(--primary);
}

.badge-secondary {
  color: var(--white);
  background-color: var(--secondary);
}

.badge-gradient {
  color: var(--white);
  background: var(--gradient-afterglow);
}

/* ========================================
   Alerts
   ======================================== */

.alert {
  position: relative;
  padding: 0.75rem 1.25rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-radius: var(--border-radius);
}

.alert-primary {
  color: #842d49;
  background-color: #ffe3ec;
  border-color: #ffd6e3;
}

.alert-info {
  color: #522980;
  background-color: #ede0ff;
  border-color: #e4d1ff;
}

/* ========================================
   Utilities
   ======================================== */

/* Text Colors */
.text-primary { color: var(--primary) !important; }
.text-secondary { color: var(--secondary) !important; }
.text-muted { color: var(--gray-600) !important; }
.text-white { color: var(--white) !important; }
.text-dark { color: var(--gray-900) !important; }

.text-gradient {
  background: var(--gradient-afterglow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Background Colors */
.bg-primary { background-color: var(--primary) !important; }
.bg-secondary { background-color: var(--secondary) !important; }
.bg-light { background-color: var(--gray-100) !important; }
.bg-white { background-color: var(--white) !important; }

.bg-gradient {
  background: var(--gradient-afterglow) !important;
}

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

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

/* Flexbox Utilities */
.justify-content-start { justify-content: flex-start !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-end { justify-content: flex-end !important; }
.justify-content-between { justify-content: space-between !important; }
.align-items-start { align-items: flex-start !important; }
.align-items-center { align-items: center !important; }
.align-items-end { align-items: flex-end !important; }

/* Spacing Utilities */
.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-1 { margin-left: 0.25rem !important; }
.ml-2 { margin-left: 0.5rem !important; }
.ml-3 { margin-left: 1rem !important; }
.ml-auto { margin-left: auto !important; }

.mr-0 { margin-right: 0 !important; }
.mr-1 { margin-right: 0.25rem !important; }
.mr-2 { margin-right: 0.5rem !important; }
.mr-3 { margin-right: 1rem !important; }
.mr-auto { margin-right: auto !important; }

.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-1 { padding-top: 0.25rem !important; }
.pt-2 { padding-top: 0.5rem !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-1 { padding-bottom: 0.25rem !important; }
.pb-2 { padding-bottom: 0.5rem !important; }
.pb-3 { padding-bottom: 1rem !important; }
.pb-4 { padding-bottom: 1.5rem !important; }
.pb-5 { padding-bottom: 3rem !important; }

/* Border Utilities */
.border { border: 1px solid var(--gray-300) !important; }
.border-0 { border: 0 !important; }
.border-top { border-top: 1px solid var(--gray-300) !important; }
.border-bottom { border-bottom: 1px solid var(--gray-300) !important; }

.rounded { border-radius: var(--border-radius) !important; }
.rounded-lg { border-radius: var(--border-radius-lg) !important; }
.rounded-circle { border-radius: 50% !important; }

/* Shadow Utilities */
.shadow-sm { box-shadow: var(--box-shadow-sm) !important; }
.shadow { box-shadow: var(--box-shadow) !important; }
.shadow-lg { box-shadow: var(--box-shadow-lg) !important; }

/* Width Utilities */
.w-25 { width: 25% !important; }
.w-50 { width: 50% !important; }
.w-75 { width: 75% !important; }
.w-100 { width: 100% !important; }

/* ========================================
   Hero Section
   ======================================== */

.hero {
  padding: 4rem 0;
  text-align: center;
  background: linear-gradient(135deg, rgba(255, 167, 166, 0.1) 0%, rgba(157, 79, 255, 0.1) 100%);
}

.hero h1 {
  background: var(--gradient-afterglow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 700;
  margin-bottom: 1rem;
}

/* ========================================
   Footer
   ======================================== */

.footer {
  padding: 2rem 0;
  margin-top: 3rem;
  background-color: var(--gray-100);
  border-top: 1px solid var(--gray-300);
}

.footer p {
  margin-bottom: 0;
  color: var(--gray-600);
}

/* ========================================
   Animations
   ======================================== */

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fadeIn 0.5s ease-in;
}

/* ========================================
   Responsive Utilities
   ======================================== */

@media (max-width: 767.98px) {
  .d-md-none { display: none !important; }
  .navbar-nav { flex-direction: column; }
}

@media (min-width: 768px) {
  .d-md-block { display: block !important; }
}