/* Material Design 3 Global Styles for info1325.cd */

:root {
  /* Material Design 3 Color Palette */
  --primary: #1A76D1;
  --on-primary: #ffffff;
  --primary-container: #d4e4ff;
  --on-primary-container: #001345;
  
  --secondary: #00b4d8;
  --secondary-container: #cffaff;
  --on-secondary-container: #001f28;
  
  --tertiary: #0077b6;
  --tertiary-container: #b2e7ff;
  --on-tertiary-container: #001f2e;
  
  --error: #dc3545;
  --on-error: #ffffff;
  --error-container: #f9dedc;
  --on-error-container: #410e0b;
  
  --background: #fefdfb;
  --on-background: #1c1b1f;
  
  --surface: #fffbfe;
  --on-surface: #1c1b1f;
  --on-surface-variant: #49454f;
  
  --outline: #79747e;
  --outline-variant: #cac4d0;
  
  /* Elevation shadows */
  --elevation-0: none;
  --elevation-1: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  --elevation-2: 0 3px 6px rgba(0, 0, 0, 0.15), 0 2px 4px rgba(0, 0, 0, 0.12);
  --elevation-3: 0 10px 20px rgba(0, 0, 0, 0.15), 0 3px 6px rgba(0, 0, 0, 0.10);
  --elevation-4: 0 15px 25px rgba(0, 0, 0, 0.15), 0 5px 10px rgba(0, 0, 0, 0.05);
  --elevation-5: 0 20px 35px rgba(0, 0, 0, 0.2);
  
  /* Radius */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  
  /* Duration */
  --duration-short: 200ms;
  --duration-medium: 300ms;
  --duration-long: 400ms;
  
  /* Easing */
  --easing-standard: cubic-bezier(0.2, 0, 0.38, 0.9);
  --easing-emphasized: cubic-bezier(0.4, 0, 0.6, 1);
  --easing-decelerate: cubic-bezier(0, 0, 0.2, 1);
  --easing-accelerate: cubic-bezier(0.4, 0, 1, 1);
}

/* Base Styles */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--on-background);
  background: var(--background);
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin: 0;
  color: var(--on-background);
}

h1 {
  font-size: 2.75rem;
}

h2 {
  font-size: 2.25rem;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1.125rem;
}

p {
  color: var(--on-surface-variant);
  line-height: 1.6;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: all var(--duration-short) var(--easing-standard);
}

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

/* Button Base */
.btn,
button,
[role="button"],
input[type="button"],
input[type="submit"],
input[type="reset"] {
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 0.875rem 1.5rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--duration-medium) var(--easing-standard);
  outline: none;
  position: relative;
  overflow: hidden;
  box-shadow: var(--elevation-1);
}

button:hover,
.btn:hover {
  box-shadow: var(--elevation-3);
  transform: translateY(-2px);
}

button:active,
.btn:active {
  box-shadow: var(--elevation-1);
  transform: translateY(0);
}

button:disabled,
.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Button Variants */
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--tertiary));
  color: var(--on-primary);
}

.btn-secondary {
  background: var(--secondary);
  color: #ffffff;
}

.btn-tertiary {
  background: var(--tertiary);
  color: #ffffff;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: rgba(17, 82, 147, 0.08);
}

/* Card Component */
.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--elevation-2);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: all var(--duration-medium) var(--easing-standard);
  overflow: hidden;
  position: relative;
}

.card:hover {
  box-shadow: var(--elevation-4);
  transform: translateY(-4px);
}

.card-header {
  padding: 1.5rem 2rem 1rem;
  border-bottom: 1px solid var(--outline-variant);
}

.card-body {
  padding: 1.5rem 2rem;
}

.card-footer {
  padding: 1rem 2rem;
  border-top: 1px solid var(--outline-variant);
  background: rgba(0, 0, 0, 0.02);
}

/* Input & Form Elements */
input,
textarea,
select {
  font-family: inherit;
  font-size: 1rem;
  padding: 0.875rem 1rem;
  border: 2px solid var(--outline-variant);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--on-surface);
  transition: all var(--duration-short) var(--easing-standard);
  outline: none;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(17, 82, 147, 0.1);
  background: rgba(17, 82, 147, 0.02);
}

input:disabled,
textarea:disabled,
select:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  background: rgba(0, 0, 0, 0.03);
}

/* Alerts */
.alert {
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  border-left: 4px solid;
  box-shadow: var(--elevation-1);
  animation: slideDown var(--duration-medium) var(--easing-standard);
}

.alert-success {
  background: rgba(40, 167, 69, 0.1);
  border-color: #28a745;
  color: #155724;
}

.alert-danger {
  background: rgba(220, 53, 69, 0.1);
  border-color: #dc3545;
  color: #721c24;
}

.alert-warning {
  background: rgba(255, 193, 7, 0.1);
  border-color: #ffc107;
  color: #856404;
}

.alert-info {
  background: rgba(17, 82, 147, 0.1);
  border-color: var(--primary);
  color: #0c5460;
}

/* Grid System Enhancement */
.container {
  max-width: 1200px;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: -0.75rem;
}

[class*="col-"] {
  padding: 0.75rem;
}

.col {
  flex: 1 0 0%;
}

.col-12 { flex: 0 0 100%; }
.col-6 { flex: 0 0 50%; }
.col-4 { flex: 0 0 33.33%; }
.col-3 { flex: 0 0 25%; }
.col-2 { flex: 0 0 16.66%; }
.col-1 { flex: 0 0 8.33%; }

@media (max-width: 991px) {
  .col-lg-6 { flex: 0 0 100%; }
  .col-md-6 { flex: 0 0 50%; }
  .col-md-4 { flex: 0 0 33.33%; }
}

@media (max-width: 576px) {
  .col-md-6,
  .col-lg-6 { flex: 0 0 100%; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
}

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }

.shadow { box-shadow: var(--elevation-2); }
.shadow-lg { box-shadow: var(--elevation-4); }

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

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }

/* Animations */
@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-16px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
  20%, 40%, 60%, 80% { transform: translateX(4px); }
}

.animate-slideDown { animation: slideDown var(--duration-medium) var(--easing-standard); }
.animate-slideUp { animation: slideUp var(--duration-medium) var(--easing-standard); }
.animate-slideIn { animation: slideIn var(--duration-medium) var(--easing-standard); }
.animate-fadeIn { animation: fadeIn var(--duration-medium) var(--easing-standard); }
.animate-pulse { animation: pulse 2s var(--easing-standard) infinite; }