/* B-esper Site Global CSS - Shared across all pages */

/* CSS Custom Properties (Variables) */
:root {
  /* Colors - Professional design system matching B-esper brand */
  --primary-blue: #022d54;
  --secondary-blue: #0052a3;
  --dark-blue: #011831;
  --light-blue: #e3f2fd;
  --success-green: #10b981;
  --warning-orange: #f59e0b;
  --error-red: #ef4444;
  --text-primary: #022d54;
  --text-secondary: #6c757d;
  --text-muted: #718096;
  --background-primary: #ffffff;
  --background-secondary: #f7fafc;
  --background-tertiary: #edf2f7;
  --border-color: #e2e8f0;
  --border-light: #f1f5f9;

  /* Typography */
  --font-family-primary:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial,
    sans-serif;
  --font-family-mono:
    'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New',
    monospace;

  /* Font Sizes */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;

  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;

  /* Border Radius */
  --radius-sm: 0.125rem;
  --radius-base: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-base:
    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);

  /* Transitions */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 200ms ease-in-out;
  --transition-slow: 300ms ease-in-out;

  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

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

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-primary);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container Classes */
.bsp-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-4);
}

.bsp-container-fluid {
  width: 100%;
  padding: 0 var(--spacing-4);
}

.bsp-container-sm {
  max-width: 640px;
}

.bsp-container-md {
  max-width: 768px;
}

.bsp-container-lg {
  max-width: 1024px;
}

.bsp-container-xl {
  max-width: 1280px;
}

/* Typography Classes */
.bsp-heading-1 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-6) 0;
}

.bsp-heading-2 {
  font-size: var(--font-size-3xl);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-5) 0;
}

.bsp-heading-3 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-4) 0;
}

.bsp-heading-4 {
  font-size: var(--font-size-xl);
  font-weight: 500;
  line-height: 1.4;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-3) 0;
}

.bsp-text-body {
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-4) 0;
}

.bsp-text-small {
  font-size: var(--font-size-sm);
  line-height: 1.5;
  color: var(--text-secondary);
}

.bsp-text-muted {
  color: var(--text-muted);
}

.bsp-text-center {
  text-align: center;
}

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

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

/* Button Classes */
.bsp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-3) var(--spacing-6);
  font-size: var(--font-size-base);
  font-weight: 500;
  line-height: 1;
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  user-select: none;
}

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

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

.bsp-btn-primary:hover:not(:disabled) {
  background-color: var(--secondary-blue);
  border-color: var(--secondary-blue);
}

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

.bsp-btn-secondary:hover:not(:disabled) {
  background-color: var(--primary-blue);
  color: white;
}

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

.bsp-btn-outline:hover:not(:disabled) {
  background-color: var(--background-secondary);
  border-color: var(--text-secondary);
}

.bsp-btn-success {
  background-color: var(--success-green);
  color: white;
  border-color: var(--success-green);
}

.bsp-btn-warning {
  background-color: var(--warning-orange);
  color: white;
  border-color: var(--warning-orange);
}

.bsp-btn-danger {
  background-color: var(--error-red);
  color: white;
  border-color: var(--error-red);
}

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

.bsp-btn-lg {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-lg);
}

.bsp-btn-xl {
  padding: var(--spacing-5) var(--spacing-10);
  font-size: var(--font-size-xl);
}

/* Card Classes */
.bsp-card {
  background-color: var(--background-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.bsp-card-header {
  padding: var(--spacing-6);
  border-bottom: 1px solid var(--border-color);
  background-color: var(--background-secondary);
}

.bsp-card-body {
  padding: var(--spacing-6);
}

.bsp-card-footer {
  padding: var(--spacing-6);
  border-top: 1px solid var(--border-color);
  background-color: var(--background-secondary);
}

/* Form Classes */
.bsp-form-group {
  margin-bottom: var(--spacing-5);
}

.bsp-form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--spacing-2);
}

.bsp-form-input {
  width: 100%;
  padding: var(--spacing-3);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--background-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.bsp-form-input:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(88, 151, 222, 0.1);
}

.bsp-form-textarea {
  resize: vertical;
  min-height: 100px;
}

.bsp-form-select {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
  appearance: none;
}

/* Layout Classes */
.bsp-flex {
  display: flex;
}

.bsp-flex-col {
  flex-direction: column;
}

.bsp-flex-wrap {
  flex-wrap: wrap;
}

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

.bsp-items-start {
  align-items: flex-start;
}

.bsp-items-end {
  align-items: flex-end;
}

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

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

.bsp-justify-around {
  justify-content: space-around;
}

.bsp-justify-evenly {
  justify-content: space-evenly;
}

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

/* Grid Classes */
.bsp-grid {
  display: grid;
}

.bsp-grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}
.bsp-grid-cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.bsp-grid-cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.bsp-grid-cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.bsp-grid-cols-6 {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}
.bsp-grid-cols-12 {
  grid-template-columns: repeat(12, minmax(0, 1fr));
}

/* Spacing Classes */
.bsp-m-0 {
  margin: 0;
}
.bsp-m-1 {
  margin: var(--spacing-1);
}
.bsp-m-2 {
  margin: var(--spacing-2);
}
.bsp-m-3 {
  margin: var(--spacing-3);
}
.bsp-m-4 {
  margin: var(--spacing-4);
}
.bsp-m-5 {
  margin: var(--spacing-5);
}
.bsp-m-6 {
  margin: var(--spacing-6);
}
.bsp-m-8 {
  margin: var(--spacing-8);
}

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

/* Utility Classes */
.bsp-w-full {
  width: 100%;
}
.bsp-h-full {
  height: 100%;
}
.bsp-min-h-screen {
  min-height: 100vh;
}

.bsp-block {
  display: block;
}
.bsp-inline {
  display: inline;
}
.bsp-inline-block {
  display: inline-block;
}
.bsp-hidden {
  display: none;
}

.bsp-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Loading Indicators */
.bsp-loading-spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-light);
  border-top: 3px solid var(--primary-blue);
  border-radius: 50%;
  animation: bsp-spin 1s linear infinite;
}

.bsp-loading-indicator {
  text-align: center;
  padding: var(--spacing-12);
  color: var(--text-muted);
}

.bsp-loading-message {
  margin-top: var(--spacing-5);
  font-family: var(--font-family-primary);
}

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

/* Alert Classes */
.bsp-alert {
  padding: var(--spacing-4);
  margin-bottom: var(--spacing-4);
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
}

.bsp-alert-info {
  color: #0c4a6e;
  background-color: #e0f2fe;
  border-color: #7dd3fc;
}

.bsp-alert-success {
  color: #064e3b;
  background-color: #dcfce7;
  border-color: #86efac;
}

.bsp-alert-warning {
  color: #92400e;
  background-color: #fef3c7;
  border-color: #fcd34d;
}

.bsp-alert-error {
  color: #991b1b;
  background-color: #fee2e2;
  border-color: #fca5a5;
}

/* Responsive Design */
@media (max-width: 640px) {
  .bsp-container {
    padding: 0 var(--spacing-2);
  }

  .bsp-grid-cols-2,
  .bsp-grid-cols-3,
  .bsp-grid-cols-4,
  .bsp-grid-cols-6 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }

  .bsp-heading-1 {
    font-size: var(--font-size-3xl);
  }

  .bsp-heading-2 {
    font-size: var(--font-size-2xl);
  }
}

@media (min-width: 641px) and (max-width: 768px) {
  .bsp-grid-cols-3,
  .bsp-grid-cols-4,
  .bsp-grid-cols-6 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .bsp-grid-cols-4,
  .bsp-grid-cols-6 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}