/* Enhanced Typography */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Poppins:wght@300;400;500;600;700;800;900&display=swap');

/* CSS Custom Properties for Better Theme Management */
:root {
  /* Colors */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-900: #1e3a8a;
  
  --secondary-500: #8b5cf6;
  --secondary-600: #7c3aed;
  
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  --success-500: #10b981;
  --warning-500: #f59e0b;
  --error-500: #ef4444;
  --info-500: #06b6d4;
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Spacing Scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Breakpoints */
  --bp-sm: 640px;
  --bp-md: 768px;
  --bp-lg: 1024px;
  --bp-xl: 1280px;
  --bp-2xl: 1536px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-base: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-base: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 9999px;
}

/* Enhanced Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-feature-settings: 'cv02', 'cv03', 'cv04', 'cv11';
  font-variation-settings: normal;
  tab-size: 4;
}

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Enhanced Typography System */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-4);
  color: var(--gray-900);
}

h1 { font-size: clamp(2rem, 4vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--space-4);
  color: var(--gray-600);
}

a {
  color: var(--primary-600);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--primary-700);
}

/* Enhanced Container System */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

@media (min-width: 640px) {
  .container { padding-left: var(--space-6); padding-right: var(--space-6); }
}

@media (min-width: 1024px) {
  .container { padding-left: var(--space-8); padding-right: var(--space-8); }
}

/* Enhanced Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  line-height: 1;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  position: relative;
  overflow: hidden;
}

.btn:focus-visible {
  outline: 2px solid var(--primary-500);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Button Variants */
.btn-primary {
  background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-600);
  border-color: var(--primary-300);
}

.btn-secondary:hover {
  background: var(--primary-50);
  border-color: var(--primary-500);
}

.btn-ghost {
  background: transparent;
  color: var(--gray-600);
}

.btn-ghost:hover {
  background: var(--gray-100);
  color: var(--gray-900);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: 0.75rem;
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: 1rem;
}

.btn-xl {
  padding: var(--space-5) var(--space-10);
  font-size: 1.125rem;
}

/* Enhanced Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-4);
  max-width: 1280px;
  margin: 0 auto;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.logo {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 1.5rem;
  font-family: var(--font-display);
  box-shadow: var(--shadow-md);
}

.nav-brand h1 {
  font-size: clamp(1.25rem, 2.5vw, 1.5rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav-link {
  position: relative;
  color: var(--gray-600);
  font-weight: 500;
  padding: var(--space-2) 0;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--primary-600);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
  transition: width 0.3s ease;
}

.nav-link:hover::after {
  width: 100%;
}

/* Mobile Navigation */
.hamburger {
  display: none;
  flex-direction: column;
  gap: var(--space-1);
  cursor: pointer;
  padding: var(--space-2);
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--primary-600);
  border-radius: var(--radius-full);
  transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* Mobile Menu */
@media (max-width: 767px) {
  .nav-menu {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    border-top: 1px solid var(--gray-200);
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-6);
    transform: translateY(-100vh);
    transition: transform 0.3s ease;
  }
  
  .nav-menu.active {
    transform: translateY(0);
  }
  
  .hamburger {
    display: flex;
  }
}

/* Enhanced Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  text-align: center;
  color: white;
}

.hero-background {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg, 
    rgba(59, 130, 246, 0.9) 0%, 
    rgba(139, 92, 246, 0.9) 100%
  );
  z-index: 1;
}

.hero-background::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: var(--space-6);
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.highlight {
  background: linear-gradient(135deg, #fcd34d, #f59e0b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  margin-bottom: var(--space-8);
  color: rgba(255, 255, 255, 0.9);
  font-weight: 400;
}

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

/* Enhanced Sections */
section {
  padding: var(--space-24) 0;
  position: relative;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-16);
  max-width: 768px;
  margin-left: auto;
  margin-right: auto;
}

.section-header h2 {
  background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-4);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--gray-600);
}

/* Enhanced Grid Systems */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-8);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-10);
}

/* Enhanced Cards */
.feature-card,
.service-card,
.stat-card,
.dashboard-card,
.info-card {
  background: white;
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
  border: 1px solid var(--gray-100);
}

.feature-card:hover,
.service-card:hover,
.dashboard-card:hover,
.info-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2xl);
  border-color: var(--primary-200);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-6);
  color: white;
  box-shadow: var(--shadow-lg);
}

.feature-icon svg {
  width: 40px;
  height: 40px;
  stroke-width: 2;
}

/* Enhanced Forms */
.form-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  padding: var(--space-4);
}

.form-card {
  background: white;
  padding: var(--space-10);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  width: 100%;
  max-width: 480px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.form-header {
  text-align: center;
  margin-bottom: var(--space-8);
}

.form-header .logo {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-4);
  font-size: 1.875rem;
}

.form-group {
  margin-bottom: var(--space-5);
}

.form-group label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 600;
  color: var(--gray-700);
  font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--space-4) var(--space-4);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  font-size: 1rem;
  font-family: var(--font-sans);
  transition: all 0.2s ease;
  background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  transform: translateY(-1px);
}

.form-group input::placeholder {
  color: var(--gray-400);
}

/* Enhanced Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.modal-overlay.visible {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: white;
  border-radius: var(--radius-2xl);
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  transform: scale(0.95) translateY(20px);
  transition: transform 0.3s ease;
  box-shadow: var(--shadow-2xl);
}

.modal-overlay.visible .modal-content {
  transform: scale(1) translateY(0);
}

/* Enhanced Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  font-size: 0.875rem;
}

.data-table th,
.data-table td {
  padding: var(--space-4) var(--space-6);
  text-align: left;
  border-bottom: 1px solid var(--gray-200);
}

.data-table th {
  background: var(--gray-50);
  font-weight: 600;
  color: var(--gray-700);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.data-table tbody tr:hover {
  background: var(--gray-50);
}

/* Enhanced Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-success {
  background: var(--success-50);
  color: var(--success-700);
  border: 1px solid var(--success-200);
}

.badge-warning {
  background: var(--warning-50);
  color: var(--warning-700);
  border: 1px solid var(--warning-200);
}

.badge-error {
  background: var(--error-50);
  color: var(--error-700);
  border: 1px solid var(--error-200);
}

.badge-info {
  background: var(--info-50);
  color: var(--info-700);
  border: 1px solid var(--info-200);
}

/* Enhanced Alerts */
.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  margin: var(--space-4) 0;
  border: 1px solid transparent;
  font-size: 0.875rem;
}

.alert-success {
  background: var(--success-50);
  border-color: var(--success-200);
  color: var(--success-800);
}

.alert-warning {
  background: var(--warning-50);
  border-color: var(--warning-200);
  color: var(--warning-800);
}

.alert-error {
  background: var(--error-50);
  border-color: var(--error-200);
  color: var(--error-800);
}

.alert-info {
  background: var(--info-50);
  border-color: var(--info-200);
  color: var(--info-800);
}

/* Enhanced Progress */
.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
  border-radius: var(--radius-full);
  transition: width 0.5s ease;
}

/* Enhanced Dashboard Styles */
.dashboard-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: calc(80px + var(--space-6)) var(--space-4) var(--space-12);
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-10);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.dashboard-title {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-600), var(--secondary-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 0;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-10);
}

/* Enhanced Responsive Design */

/* Extra Small Devices (phones, 320px and up) */
@media (max-width: 479px) {
  :root {
    --space-4: 0.75rem;
    --space-6: 1rem;
    --space-8: 1.25rem;
    --space-10: 1.5rem;
    --space-12: 2rem;
    --space-16: 2.5rem;
    --space-20: 3rem;
    --space-24: 4rem;
  }
  
  .container {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .form-card {
    padding: var(--space-6);
    margin: var(--space-4);
  }
  
  .features-grid,
  .services-grid,
  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .nav-container {
    padding: var(--space-3);
  }
  
  .logo {
    width: 40px;
    height: 40px;
    font-size: 1.25rem;
  }
  
  .nav-brand h1 {
    font-size: 1.125rem;
  }
}

/* Small Devices (landscape phones, 480px and up) */
@media (min-width: 480px) and (max-width: 639px) {
  .features-grid,
  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .hero-buttons {
    flex-direction: row;
  }
}

/* Medium Devices (tablets, 640px and up) */
@media (min-width: 640px) and (max-width: 767px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Large Devices (desktops, 768px and up) */
@media (min-width: 768px) {
  .nav-menu {
    position: static;
    transform: none;
    flex-direction: row;
    background: transparent;
    border: none;
    padding: 0;
  }
  
  .hamburger {
    display: none;
  }
  
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Extra Large Devices (large desktops, 1024px and up) */
@media (min-width: 1024px) {
  section {
    padding: var(--space-24) 0;
  }
  
  .dashboard-container {
    padding-top: calc(80px + var(--space-8));
  }
  
  .hero-content {
    max-width: 1000px;
  }
}

/* Ultra Wide Displays (1400px and up) */
@media (min-width: 1400px) {
  .container {
    max-width: 1400px;
  }
  
  .dashboard-container {
    max-width: 1600px;
  }
}

/* High DPI Displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .logo {
    box-shadow: var(--shadow-xl);
  }
  
  .btn-primary {
    box-shadow: var(--shadow-xl);
  }
}

/* Landscape Orientation on Mobile */
@media (max-width: 767px) and (orientation: landscape) {
  .hero {
    min-height: 100vh;
    padding: var(--space-4) 0;
  }
  
  .hero-title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    margin-bottom: var(--space-4);
  }
  
  .hero-subtitle {
    font-size: 1rem;
    margin-bottom: var(--space-6);
  }
  
  .navbar {
    padding: var(--space-2) 0;
  }
  
  .nav-container {
    padding: var(--space-2) var(--space-4);
  }
}

/* Print Styles */
@media print {
  * {
    -webkit-print-color-adjust: exact !important;
    color-adjust: exact !important;
  }
  
  .navbar,
  .hero,
  .footer,
  .btn:not(.print-btn),
  button:not(.print-btn),
  .hamburger,
  .modal-overlay,
  .alert {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
    font-size: 12pt;
    line-height: 1.4;
  }
  
  .container {
    max-width: none;
    padding: 0;
  }
  
  .form-card,
  .dashboard-card,
  .transaction-form {
    box-shadow: none !important;
    border: 1px solid #000;
    border-radius: 0;
    page-break-inside: avoid;
  }
  
  h1, h2, h3, h4, h5, h6 {
    color: black !important;
    page-break-after: avoid;
  }
  
  .page-break {
    page-break-before: always;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  .btn-primary {
    background: var(--primary-700);
    border: 2px solid var(--primary-900);
  }
  
  .nav-link {
    color: var(--gray-900);
  }
  
  .form-group input:focus,
  .form-group select:focus,
  .form-group textarea:focus {
    border-color: var(--primary-700);
    box-shadow: 0 0 0 3px var(--primary-200);
  }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
  :root {
    --gray-50: #111827;
    --gray-100: #1f2937;
    --gray-200: #374151;
    --gray-300: #4b5563;
    --gray-400: #6b7280;
    --gray-500: #9ca3af;
    --gray-600: #d1d5db;
    --gray-700: #e5e7eb;
    --gray-800: #f3f4f6;
    --gray-900: #f9fafb;
  }
  
  body {
    background-color: var(--gray-50);
    color: var(--gray-800);
  }
  
  .navbar {
    background: rgba(31, 41, 55, 0.95);
    border-bottom-color: var(--gray-200);
  }
  
  .form-card,
  .dashboard-card,
  .feature-card,
  .service-card,
  .stat-card {
    background: var(--gray-100);
    border-color: var(--gray-200);
  }
}

/* Focus-within support for better form UX */
.form-group:focus-within label {
  color: var(--primary-600);
  transform: translateY(-2px);
  transition: all 0.2s ease;
}

/* Enhanced Loading States */
.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--gray-300);
  border-top: 2px solid var(--primary-500);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  display: inline-block;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.skeleton {
  background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Enhanced Transitions */
.fade-in {
  animation: fadeIn 0.6s ease-out;
}

.slide-up {
  animation: slideUp 0.6s ease-out;
}

.slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

.zoom-in {
  animation: zoomIn 0.4s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.font-black { font-weight: 900; }

.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }

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

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

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }

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

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.p-0 { padding: 0; }
.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.m-0 { margin: 0; }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-5 { margin: var(--space-5); }
.m-6 { margin: var(--space-6); }
.m-8 { margin: var(--space-8); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

.rounded-sm { border-radius: var(--radius-sm); }
.rounded { border-radius: var(--radius-base); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow-base); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-2xl { box-shadow: var(--shadow-2xl); }

.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

.select-none { user-select: none; }
.select-text { user-select: text; }
.select-all { user-select: all; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-scroll { overflow: scroll; }

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

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

.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gray-300);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--gray-400);
}

/* Selection Styling */
::selection {
  background: var(--primary-100);
  color: var(--primary-900);
}

::-moz-selection {
  background: var(--primary-100);
  color: var(--primary-900);
}

/* Enhanced Transaction Form Styles */
.transaction-container {
  padding: calc(80px + var(--space-6)) var(--space-4) var(--space-12);
  min-height: 100vh;
  background: var(--gray-50);
}

.transaction-form {
  max-width: 900px;
  margin: 0 auto;
  background: white;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-2xl);
  overflow: hidden;
  border: 1px solid var(--gray-200);
}

.form-banner {
  background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
  color: white;
  padding: var(--space-10);
  text-align: center;
}

.form-banner .logo {
  width: 96px;
  height: 96px;
  margin: 0 auto var(--space-4);
  font-size: 2.5rem;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
}

.form-body {
  padding: var(--space-10);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-5);
  margin-bottom: var(--space-5);
}

.attendance-summary {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  margin: var(--space-8) 0;
}

.attendance-summary h4 {
  color: white;
  margin-bottom: var(--space-5);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 1.25rem;
}

.attendance-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.attendance-stat {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.attendance-stat .number {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: var(--space-1);
  display: block;
}

.attendance-stat .label {
  font-size: 0.875rem;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.submit-section {
  text-align: center;
  padding-top: var(--space-8);
  border-top: 1px solid var(--gray-200);
  margin-top: var(--space-8);
}

/* Enhanced Contact Section */
.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.contact-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-50);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-600);
  flex-shrink: 0;
}

.contact-icon svg {
  width: 24px;
  height: 24px;
  stroke-width: 2;
}

.contact-form-container {
  background: var(--gray-50);
  padding: var(--space-8);
  border-radius: var(--radius-2xl);
  border: 1px solid var(--gray-200);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* Enhanced Footer */
.footer {
  background: var(--gray-900);
  color: var(--gray-300);
  padding: var(--space-12) 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.footer-brand .logo {
  background: linear-gradient(135deg, var(--primary-500), var(--secondary-500));
}

.footer-brand p {
  font-size: 1.125rem;
  font-weight: 600;
  color: white;
  margin: 0;
}

/* Responsive Contact Section */
@media (max-width: 767px) {
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  
  .contact-form-container {
    padding: var(--space-6);
  }
}

/* Responsive Transaction Form */
@media (max-width: 767px) {
  .transaction-container {
    padding: calc(80px + var(--space-4)) var(--space-3) var(--space-8);
  }
  
  .form-banner {
    padding: var(--space-8) var(--space-4);
  }
  
  .form-body {
    padding: var(--space-6) var(--space-4);
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .attendance-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .attendance-summary {
    padding: var(--space-6);
  }
}

@media (max-width: 479px) {
  .attendance-grid {
    grid-template-columns: 1fr;
  }
  
  .submit-section > div {
    flex-direction: column;
    align-items: stretch;
  }
  
  .submit-section .btn {
    width: 100%;
    margin: var(--space-2) 0;
  }
}
