@import "tailwindcss/preflight";
@import "tailwindcss/utilities";

/* CSS Custom Properties (CSS Variables) */
:root {
  --foreground-rgb: 0, 0, 0;
  --background-start-rgb: 214, 219, 220;
  --background-end-rgb: 255, 255, 255;
  
  /* Custom color variables for consistency */
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-danger: #ef4444;
  --color-danger-hover: #dc2626;
  --color-warning: #f59e0b;
  --color-warning-hover: #d97706;
  --color-success: #10b981;
  --color-success-hover: #059669;
  
  /* Border and spacing variables */
  --border-color: #d1d5db;
  --border-radius: 0.375rem;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --foreground-rgb: 255, 255, 255;
    --background-start-rgb: 0, 0, 0;
    --background-end-rgb: 0, 0, 0;
    --border-color: #374151;
  }
}

/* Base body styles */
body {
  color: rgb(var(--foreground-rgb));
  background: linear-gradient(
      to bottom,
      transparent,
      rgb(var(--background-end-rgb))
    )
    rgb(var(--background-start-rgb));
}

/* =================================
   TABLE STYLES
   ================================= */

table {
  border-collapse: collapse;
  width: 100%;
  margin-bottom: var(--spacing-md);
  background-color: white;
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
}

table th,
table td {
  border: 1px solid var(--border-color);
  padding: var(--spacing-sm);
  text-align: left;
  vertical-align: top;
  position: relative;
  min-width: 120px;
}

table th {
  background-color: #f9fafb;
  font-weight: 600;
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 2px solid var(--border-color);
}

/* Dark mode table styles */
@media (prefers-color-scheme: dark) {
  table {
    background-color: #1f2937;
  }
  
  table th {
    background-color: #374151;
    color: #f9fafb;
  }
  
  table td {
    background-color: #1f2937;
    color: #f9fafb;
  }
}

/* =================================
   DELETE BUTTON STYLES
   ================================= */

.delete-button {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 20px;
  height: 20px;
  background-color: var(--color-danger);
  color: white;
  border: none;
  border-radius: 50%;
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  transition: background-color 0.2s ease-in-out;
}

.delete-button:hover {
  background-color: var(--color-danger-hover);
  transform: scale(1.1);
}

.delete-button:focus {
  outline: 2px solid var(--color-danger);
  outline-offset: 2px;
}

.item-delete {
  background-color: var(--color-danger);
}

.property-delete {
  background-color: var(--color-warning);
}

.property-delete:hover {
  background-color: var(--color-warning-hover);
}

/* =================================
   EDITABLE CELL STYLES
   ================================= */

.editable-cell {
  position: relative;
  width: 100%;
  min-height: 2rem;
}

.editable-cell input,
.editable-cell textarea {
  width: 100%;
  border: none;
  outline: none;
  background: transparent;
  resize: none;
  padding: var(--spacing-xs);
  font-family: inherit;
  font-size: inherit;
  transition: all 0.2s ease-in-out;
}

.editable-cell input:focus,
.editable-cell textarea:focus {
  background-color: #fef3c7;
  border: 2px solid var(--color-warning);
  border-radius: var(--border-radius);
}

.focused-cell {
  background-color: #fef3c7 !important;
  border: 2px solid var(--color-warning) !important;
  border-radius: var(--border-radius);
}

/* =================================
   TYPEAHEAD STYLES
   ================================= */

.typeahead-container {
  position: relative;
  width: 100%;
}

.suggestions-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: white;
  border: 1px solid var(--border-color);
  border-top: none;
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  z-index: 50;
  max-height: 200px;
  overflow-y: auto;
}

.suggestion-item {
  padding: var(--spacing-sm);
  cursor: pointer;
  border-bottom: 1px solid #f3f4f6;
  transition: background-color 0.15s ease-in-out;
}

.suggestion-item:hover,
.suggestion-item.selected {
  background-color: #dbeafe;
}

.suggestion-item:last-child {
  border-bottom: none;
}

/* Dark mode typeahead styles */
@media (prefers-color-scheme: dark) {
  .suggestions-dropdown {
    background: #374151;
    border-color: #4b5563;
  }
  
  .suggestion-item {
    color: #f9fafb;
    border-bottom-color: #4b5563;
  }
  
  .suggestion-item:hover,
  .suggestion-item.selected {
    background-color: #4b5563;
  }
}

/* =================================
   FORM INPUT STYLES
   ================================= */

#new-property {
  padding: var(--spacing-sm);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  width: 300px;
  margin-right: var(--spacing-sm);
  transition: border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

#new-property:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* =================================
   LOADING SPINNER
   ================================= */

.loading-spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid #f3f4f6;
  border-radius: 50%;
  border-top-color: var(--color-primary);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

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

.table-container {
  overflow-x: auto;
  border-radius: var(--border-radius);
  border: 1px solid var(--border-color);
}

@media (max-width: 768px) {
  table {
    min-width: 600px;
  }
  
  table th,
  table td {
    min-width: 100px;
    padding: var(--spacing-xs);
    font-size: 0.875rem;
  }
  
  .delete-button {
    width: 18px;
    height: 18px;
    font-size: 10px;
  }
  
  #new-property {
    width: 250px;
  }
}

@media (max-width: 480px) {
  table th,
  table td {
    min-width: 80px;
    padding: 0.125rem;
    font-size: 0.75rem;
  }
  
  #new-property {
    width: 200px;
  }
}

/* =================================
   UTILITY CLASSES
   ================================= */

.text-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

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

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.new-row {
  animation: fadeIn 0.3s ease-in-out;
}

.slide-in {
  animation: slideIn 0.2s ease-in-out;
}

/* =================================
   ACCESSIBILITY IMPROVEMENTS
   ================================= */

/* Focus indicators */
button:focus,
input:focus,
textarea:focus,
select:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

/* High contrast mode support */
@media (prefers-contrast: high) {
  table th,
  table td {
    border-width: 2px;
  }
  
  .delete-button {
    border: 2px solid white;
  }
}