/* ===========================================================
   CSS Utilities - Utility classes (使用 !important 是合理的)
   =========================================================== */

/* Import CSS Variables */
@import url('./variables.css');

/* ===========================================================
   LAYOUT UTILITIES
   =========================================================== */

/* Display - 這些需要 !important 來覆蓋組件樣式 */
.hidden { display: none !important; }
.block { display: block !important; }
.inline { display: inline !important; }
.inline-block { display: inline-block !important; }
.flex { display: flex !important; }
.grid { display: grid !important; }

/* Flexbox - 這些需要 !important 來覆蓋組件樣式 */
.flex-row { flex-direction: row !important; }
.flex-col { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }
.justify-start { justify-content: flex-start !important; }
.justify-center { justify-content: center !important; }
.justify-end { justify-content: flex-end !important; }
.justify-between { justify-content: space-between !important; }
.justify-around { justify-content: space-around !important; }
.items-start { align-items: flex-start !important; }
.items-center { align-items: center !important; }
.items-end { align-items: flex-end !important; }
.items-stretch { align-items: stretch !important; }

/* Grid - 這些需要 !important 來覆蓋組件樣式 */
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)) !important; }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)) !important; }
.gap-sm { gap: var(--spacing-sm) !important; }
.gap-md { gap: var(--spacing-md) !important; }
.gap-lg { gap: var(--spacing-lg) !important; }
.gap-xl { gap: var(--spacing-xl) !important; }

/* ===========================================================
   SPACING UTILITIES
   =========================================================== */

/* Margin */
.m-0 { margin: 0 !important; }
.m-auto { margin: auto !important; }
.mx-auto { margin-left: auto !important; margin-right: auto !important; }
.my-auto { margin-top: auto !important; margin-bottom: auto !important; }

.m-xs { margin: var(--spacing-xs) !important; }
.m-sm { margin: var(--spacing-sm) !important; }
.m-md { margin: var(--spacing-md) !important; }
.m-lg { margin: var(--spacing-lg) !important; }
.m-xl { margin: var(--spacing-xl) !important; }
.m-2xl { margin: var(--spacing-2xl) !important; }
.m-3xl { margin: var(--spacing-3xl) !important; }

.mt-xs { margin-top: var(--spacing-xs) !important; }
.mt-sm { margin-top: var(--spacing-sm) !important; }
.mt-md { margin-top: var(--spacing-md) !important; }
.mt-lg { margin-top: var(--spacing-lg) !important; }
.mt-xl { margin-top: var(--spacing-xl) !important; }
.mt-2xl { margin-top: var(--spacing-2xl) !important; }
.mt-3xl { margin-top: var(--spacing-3xl) !important; }

.mb-xs { margin-bottom: var(--spacing-xs) !important; }
.mb-sm { margin-bottom: var(--spacing-sm) !important; }
.mb-md { margin-bottom: var(--spacing-md) !important; }
.mb-lg { margin-bottom: var(--spacing-lg) !important; }
.mb-xl { margin-bottom: var(--spacing-xl) !important; }
.mb-2xl { margin-bottom: var(--spacing-2xl) !important; }
.mb-3xl { margin-bottom: var(--spacing-3xl) !important; }

.ml-xs { margin-left: var(--spacing-xs) !important; }
.ml-sm { margin-left: var(--spacing-sm) !important; }
.ml-md { margin-left: var(--spacing-md) !important; }
.ml-lg { margin-left: var(--spacing-lg) !important; }
.ml-xl { margin-left: var(--spacing-xl) !important; }

.mr-xs { margin-right: var(--spacing-xs) !important; }
.mr-sm { margin-right: var(--spacing-sm) !important; }
.mr-md { margin-right: var(--spacing-md) !important; }
.mr-lg { margin-right: var(--spacing-lg) !important; }
.mr-xl { margin-right: var(--spacing-xl) !important; }

/* Padding */
.p-0 { padding: 0 !important; }
.p-xs { padding: var(--spacing-xs) !important; }
.p-sm { padding: var(--spacing-sm) !important; }
.p-md { padding: var(--spacing-md) !important; }
.p-lg { padding: var(--spacing-lg) !important; }
.p-xl { padding: var(--spacing-xl) !important; }
.p-2xl { padding: var(--spacing-2xl) !important; }
.p-3xl { padding: var(--spacing-3xl) !important; }

.px-xs { padding-left: var(--spacing-xs) !important; padding-right: var(--spacing-xs) !important; }
.px-sm { padding-left: var(--spacing-sm) !important; padding-right: var(--spacing-sm) !important; }
.px-md { padding-left: var(--spacing-md) !important; padding-right: var(--spacing-md) !important; }
.px-lg { padding-left: var(--spacing-lg) !important; padding-right: var(--spacing-lg) !important; }
.px-xl { padding-left: var(--spacing-xl) !important; padding-right: var(--spacing-xl) !important; }

.py-xs { padding-top: var(--spacing-xs) !important; padding-bottom: var(--spacing-xs) !important; }
.py-sm { padding-top: var(--spacing-sm) !important; padding-bottom: var(--spacing-sm) !important; }
.py-md { padding-top: var(--spacing-md) !important; padding-bottom: var(--spacing-md) !important; }
.py-lg { padding-top: var(--spacing-lg) !important; padding-bottom: var(--spacing-lg) !important; }
.py-xl { padding-top: var(--spacing-xl) !important; padding-bottom: var(--spacing-xl) !important; }

/* ===========================================================
   TYPOGRAPHY UTILITIES
   =========================================================== */

/* Text Alignment */
.text-left { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.text-justify { text-align: justify !important; }

/* Font Size */
.text-xs { font-size: var(--font-size-xs) !important; }
.text-sm { font-size: var(--font-size-sm) !important; }
.text-base { font-size: var(--font-size-base) !important; }
.text-lg { font-size: var(--font-size-lg) !important; }
.text-xl { font-size: var(--font-size-xl) !important; }
.text-2xl { font-size: var(--font-size-2xl) !important; }
.text-3xl { font-size: var(--font-size-3xl) !important; }
.text-4xl { font-size: var(--font-size-4xl) !important; }
.text-5xl { font-size: var(--font-size-5xl) !important; }

/* Font Weight */
.font-light { font-weight: var(--font-weight-light) !important; }
.font-normal { font-weight: var(--font-weight-normal) !important; }
.font-medium { font-weight: var(--font-weight-medium) !important; }
.font-semibold { font-weight: var(--font-weight-semibold) !important; }
.font-bold { font-weight: var(--font-weight-bold) !important; }
.font-extrabold { font-weight: var(--font-weight-extrabold) !important; }

/* Font Family */
.font-primary { font-family: var(--font-family-primary) !important; }
.font-heading { font-family: var(--font-family-heading) !important; }
.font-chinese { font-family: var(--font-family-chinese) !important; }

/* Text Transform */
.uppercase { text-transform: uppercase !important; }
.lowercase { text-transform: lowercase !important; }
.capitalize { text-transform: capitalize !important; }
.normal-case { text-transform: none !important; }

/* Letter Spacing */
.tracking-tight { letter-spacing: var(--letter-spacing-tight) !important; }
.tracking-normal { letter-spacing: var(--letter-spacing-normal) !important; }
.tracking-wide { letter-spacing: var(--letter-spacing-wide) !important; }
.tracking-wider { letter-spacing: var(--letter-spacing-wider) !important; }
.tracking-widest { letter-spacing: var(--letter-spacing-widest) !important; }

/* Line Height */
.leading-tight { line-height: var(--line-height-tight) !important; }
.leading-snug { line-height: var(--line-height-snug) !important; }
.leading-normal { line-height: var(--line-height-normal) !important; }
.leading-relaxed { line-height: var(--line-height-relaxed) !important; }
.leading-loose { line-height: var(--line-height-loose) !important; }

/* ===========================================================
   COLOR UTILITIES
   =========================================================== */

/* Text Colors */
.text-primary { color: var(--color-primary) !important; }
.text-secondary { color: var(--color-secondary) !important; }
.text-white { color: var(--color-white) !important; }
.text-black { color: var(--color-black) !important; }
.text-gray-500 { color: var(--color-gray-500) !important; }
.text-gray-600 { color: var(--color-gray-600) !important; }
.text-gray-700 { color: var(--color-gray-700) !important; }
.text-gray-800 { color: var(--color-gray-800) !important; }
.text-gray-900 { color: var(--color-gray-900) !important; }

/* Background Colors */
.bg-primary { background-color: var(--color-primary) !important; }
.bg-secondary { background-color: var(--color-secondary) !important; }
.bg-white { background-color: var(--color-white) !important; }
.bg-gray-100 { background-color: var(--color-gray-100) !important; }
.bg-gray-200 { background-color: var(--color-gray-200) !important; }
.bg-gray-300 { background-color: var(--color-gray-300) !important; }

/* ===========================================================
   BORDER UTILITIES
   =========================================================== */

/* Border Radius */
.rounded-none { border-radius: 0 !important; }
.rounded-sm { border-radius: var(--border-radius-sm) !important; }
.rounded-md { border-radius: var(--border-radius-md) !important; }
.rounded-lg { border-radius: var(--border-radius-lg) !important; }
.rounded-xl { border-radius: var(--border-radius-xl) !important; }
.rounded-full { border-radius: var(--border-radius-full) !important; }

/* ===========================================================
   SHADOW UTILITIES
   =========================================================== */

.shadow-none { box-shadow: none !important; }
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-xl { box-shadow: var(--shadow-xl) !important; }

/* ===========================================================
   TRANSITION UTILITIES
   =========================================================== */

.transition-none { transition: none !important; }
.transition-fast { transition: all var(--transition-fast) !important; }
.transition-normal { transition: all var(--transition-normal) !important; }
.transition-slow { transition: all var(--transition-slow) !important; }

/* ===========================================================
   RESPONSIVE UTILITIES
   =========================================================== */

/* Mobile-first responsive utilities */
.hidden-mobile { max-height: 0 !important; overflow: hidden !important; }
.show-mobile { max-height: 400px !important; }

@media (min-width: 768px) {
  .hidden-mobile { display: block !important; }
  .hidden-desktop { display: none !important; }
  
  .md\:block { display: block !important; }
  .md\:flex { display: flex !important; }
  .md\:grid { display: grid !important; }
  .md\:hidden { display: none !important; }
  
  .md\:text-left { text-align: left !important; }
  .md\:text-center { text-align: center !important; }
  .md\:text-right { text-align: right !important; }
  
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)) !important; }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)) !important; }
}

@media (min-width: 1000px) {
  .lg\:block { display: block !important; }
  .lg\:flex { display: flex !important; }
  .lg\:grid { display: grid !important; }
  .lg\:hidden { display: none !important; }
  
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)) !important; }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)) !important; }
}