/*
 * AILA Tech Solutions - Theme Enhancements
 * Comprehensive theme improvements for modern, consistent design
 */

/* ================================================
 * GLOBAL THEME IMPROVEMENTS
 * ================================================ */

/* Blue and White Theme Color Palette */
:root {
         /* Primary Blue Colors - No Purple */
         --aila-primary: #1E40AF;
         --aila-primary-dark: #1E3A8A;
         --aila-primary-light: #2563EB;
         --aila-primary-lighter: #DBEAFE;
         --aila-primary-50: #EFF6FF;
         --aila-primary-100: #DBEAFE;
         --aila-primary-200: #BFDBFE;
         --aila-primary-300: #93C5FD;
         --aila-primary-400: #60A5FA;
         --aila-primary-500: #3B82F6;
         --aila-primary-600: #2563EB;
         --aila-primary-700: #1D4ED8;
         --aila-primary-800: #1E40AF;
         --aila-primary-900: #1E3A8A;

         /* Secondary Blue Colors - No Purple */
         --aila-secondary: #1E40AF;
         --aila-secondary-light: #3B82F6;
         --aila-secondary-dark: #1D4ED8;

         /* Accent Blue Colors */
         --aila-accent: #1E40AF;
         --aila-accent-light: #2563EB;
         --aila-accent-dark: #1E3A8A;

  /* Status colors - Blue and White theme */
  --success: #1E40AF;
  --success-light: #DBEAFE;
  --success-dark: #1E3A8A;
  --warning: #2563EB;
  --warning-light: #DBEAFE;
  --warning-dark: #1D4ED8;
  --error: #DC2626;
  --error-light: #FEE2E2;
  --error-dark: #B91C1C;
  --info: #1E40AF;
  --info-light: #DBEAFE;
  --info-dark: #1E3A8A;

         /* White and Blue-Tinted Neutral Scale */
         --white: #FFFFFF;
         --gray-50: #F8FAFC;
         --gray-100: #F1F5F9;
         --gray-200: #E2E8F0;
         --gray-300: #CBD5E1;
         --gray-400: #94A3B8;
         --gray-500: #64748B;
         --gray-600: #475569;
         --gray-700: #334155;
         --gray-800: #1E293B;
         --gray-900: #0F172A;

  /* Enhanced shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
         --shadow-glow: 0 0 20px rgba(37, 99, 235, 0.3);
         --shadow-glow-success: 0 0 20px rgba(37, 99, 235, 0.3);
         --shadow-glow-warning: 0 0 20px rgba(59, 130, 246, 0.3);
         --shadow-glow-error: 0 0 20px rgba(220, 38, 38, 0.3);
         --shadow-glow-blue: 0 0 20px rgba(37, 99, 235, 0.4);

  /* Enhanced transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 400ms cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --transition-smooth: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 600ms cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ================================================
 * ENHANCED BODY & TYPOGRAPHY
 * ================================================ */

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--gray-900);
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Enhanced typography hierarchy */
h1, .heading-1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--gray-900);
  margin-bottom: 1.5rem;
  letter-spacing: -0.025em;
}

h2, .heading-2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
  margin-bottom: 1.25rem;
  letter-spacing: -0.025em;
}

h3, .heading-3 {
  font-size: clamp(1.25rem, 3vw, 1.875rem);
  font-weight: 600;
  line-height: 1.3;
  color: var(--gray-800);
  margin-bottom: 1rem;
}

h4, .heading-4 {
  font-size: clamp(1.125rem, 2.5vw, 1.5rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--gray-800);
  margin-bottom: 0.75rem;
}

p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--gray-700);
  margin-bottom: 1rem;
}

/* ================================================
 * ENHANCED HEADER & NAVIGATION
 * ================================================ */

.main-header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
  transition: all var(--transition-normal);
}

.main-header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
  border-bottom-color: var(--gray-300);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: transform var(--transition-normal);
}

.logo:hover {
  transform: scale(1.05);
}

.logo img {
  height: 40px;
  width: auto;
  transition: filter var(--transition-normal);
}

.logo:hover img {
  filter: brightness(1.1);
}

/* Enhanced navigation links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  font-weight: 500;
  color: var(--gray-700);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.nav-links a::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 0;
  background: var(--aila-primary-100);
  transition: width var(--transition-normal);
  z-index: -1;
}

.nav-links a:hover::before,
.nav-links a:focus::before {
  width: 100%;
}

.nav-links a:hover,
.nav-links a:focus {
  color: var(--aila-primary);
  transform: translateY(-1px);
}

/* Enhanced dropdown */
.dropdown-menu {
  position: relative;
}

.dropdown-content {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-xl);
  padding: 0.5rem;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(-10px);
  transition: all var(--transition-normal);
  z-index: 1000;
}

.dropdown-menu:hover .dropdown-content {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-content a {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--gray-700);
  text-decoration: none;
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-fast);
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.dropdown-content a:hover {
  background: var(--aila-primary-50);
  color: var(--aila-primary);
  transform: translateX(4px);
}

.dropdown-content a:last-child {
  margin-bottom: 0;
}

/* ================================================
 * ENHANCED BUTTONS
 * ================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--border-radius-lg);
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  user-select: none;
  outline: none;
}

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

.btn:disabled,
.btn.disabled {
  opacity: 0.6;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary button */
.btn-primary {
  background: linear-gradient(135deg, var(--aila-primary) 0%, var(--aila-primary-dark) 100%);
  color: var(--white);
  border-color: var(--aila-primary);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--aila-primary-dark) 0%, var(--aila-primary-800) 100%);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Secondary button - Blue theme */
.btn-secondary {
  background: linear-gradient(135deg, var(--aila-primary-100) 0%, var(--aila-primary-200) 100%);
  color: var(--aila-primary-700);
  border-color: var(--aila-primary-300);
}

.btn-secondary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--aila-primary-200) 0%, var(--aila-primary-300) 100%);
  border-color: var(--aila-primary-400);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

/* Outline button */
.btn-outline {
  background: transparent;
  color: var(--aila-primary);
  border-color: var(--aila-primary);
}

.btn-outline:hover:not(:disabled) {
  background: var(--aila-primary);
  color: var(--white);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

/* ================================================
 * ENHANCED CARDS
 * ================================================ */

.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--aila-primary-200);
}

.card-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--gray-200);
  background: var(--gray-50);
}

.card-body {
  padding: 1.5rem;
}

.card-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--gray-200);
  background: var(--gray-50);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: 0.5rem;
}

.card-subtitle {
  font-size: 0.875rem;
  color: var(--gray-600);
  margin-bottom: 1rem;
}

/* ================================================
 * ENHANCED FORMS
 * ================================================ */

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

.form-label.required::after {
  content: ' *';
  color: var(--error);
}

.form-input,
.form-textarea,
.form-select {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--gray-900);
  background-color: var(--white);
  border: 1px solid var(--gray-300);
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-normal);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--gray-500);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--aila-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input:hover:not(:focus):not(:disabled),
.form-textarea:hover:not(:focus):not(:disabled),
.form-select:hover:not(:focus):not(:disabled) {
  border-color: var(--gray-400);
}

.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
  background-color: var(--gray-50);
  color: var(--gray-500);
  cursor: not-allowed;
}

.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--error);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-input.success,
.form-textarea.success,
.form-select.success {
  border-color: var(--success);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* ================================================
 * ENHANCED ALERTS & NOTIFICATIONS
 * ================================================ */

.alert {
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

.alert::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: currentColor;
}

.alert-success {
  background: var(--success-light);
  color: var(--success-dark);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.alert-warning {
  background: var(--warning-light);
  color: var(--warning-dark);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.alert-error {
  background: var(--error-light);
  color: var(--error-dark);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-info {
  background: var(--info-light);
  color: var(--info-dark);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

/* ================================================
 * ENHANCED ANIMATIONS
 * ================================================ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes bounce {
  0%, 20%, 53%, 80%, 100% {
    transform: translate3d(0, 0, 0);
  }
  40%, 43% {
    transform: translate3d(0, -30px, 0);
  }
  70% {
    transform: translate3d(0, -15px, 0);
  }
  90% {
    transform: translate3d(0, -4px, 0);
  }
}

/* Animation utility classes */
.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

.animate-fade-in-down {
  animation: fadeInDown 0.6s ease-out;
}

.animate-fade-in-left {
  animation: fadeInLeft 0.6s ease-out;
}

.animate-fade-in-right {
  animation: fadeInRight 0.6s ease-out;
}

.animate-scale-in {
  animation: scaleIn 0.4s ease-out;
}

.animate-pulse {
  animation: pulse 2s infinite;
}

.animate-bounce {
  animation: bounce 1s infinite;
}

/* ================================================
 * ENHANCED RESPONSIVE DESIGN
 * ================================================ */

@media (max-width: 768px) {
  .navbar {
    padding: 0.75rem 1rem;
  }
  
  .nav-links {
    display: none;
  }
  
  .logo img {
    height: 32px;
  }
  
  h1, .heading-1 {
    font-size: 2rem;
  }
  
  h2, .heading-2 {
    font-size: 1.5rem;
  }
  
  .btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
  }
  
  .card-body,
  .card-header,
  .card-footer {
    padding: 1rem;
  }
}

@media (max-width: 480px) {
  .navbar {
    padding: 0.5rem 0.75rem;
  }
  
  .logo img {
    height: 28px;
  }
  
  h1, .heading-1 {
    font-size: 1.75rem;
  }
  
  h2, .heading-2 {
    font-size: 1.25rem;
  }
  
  .btn {
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
  }
}

/* ================================================
 * DARK MODE SUPPORT
 * ================================================ */

@media (prefers-color-scheme: dark) {
  :root {
    --white: #0F172A;
    --gray-50: #1E293B;
    --gray-100: #334155;
    --gray-200: #475569;
    --gray-300: #64748B;
    --gray-400: #94A3B8;
    --gray-500: #CBD5E1;
    --gray-600: #E2E8F0;
    --gray-700: #F1F5F9;
    --gray-800: #F8FAFC;
    --gray-900: #FFFFFF;
  }
  
  body {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--white) 100%);
  }
  
  .main-header {
    background: rgba(15, 23, 42, 0.95);
    border-bottom-color: var(--gray-200);
  }
  
  .main-header.scrolled {
    background: rgba(15, 23, 42, 0.98);
  }
  
  .card {
    background: var(--gray-100);
    border-color: var(--gray-200);
  }
  
  .card-header,
  .card-footer {
    background: var(--gray-50);
    border-color: var(--gray-200);
  }
  
  .form-input,
  .form-textarea,
  .form-select {
    background: var(--gray-100);
    border-color: var(--gray-200);
    color: var(--gray-800);
  }
}

/* ================================================
 * ACCESSIBILITY ENHANCEMENTS
 * ================================================ */

/* Focus indicators */
*:focus-visible {
  outline: 2px solid var(--aila-primary);
  outline-offset: 2px;
}

/* High contrast mode */
@media (prefers-contrast: high) {
  .btn {
    border-width: 2px;
  }
  
  .card {
    border-width: 2px;
  }
  
  .form-input,
  .form-textarea,
  .form-select {
    border-width: 2px;
  }
}

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

/* ================================================
 * PRINT STYLES
 * ================================================ */

@media print {
  .main-header,
  .btn,
  .mobile-menu-btn {
    display: none !important;
  }
  
  .card {
    box-shadow: none;
    border: 1px solid var(--gray-300);
  }
  
  body {
    background: white !important;
    color: black !important;
  }
}