/* ===================================
   COMMON CSS - COMPILED DARK THEME STYLES
   NTL TECHNOLOGIES, LLC
   
   This file imports and combines all common styles:
   - Variables (colors, spacing, typography)
   - Reset (normalize browser defaults)
   - Base (typography, links, media)
   - Layout (header, nav, footer, grid)
   ================================= */

/* ===== IMPORT ALL COMMON STYLES ===== */
@import '_variables.css';
@import '_reset.css';
@import 'base.css';
@import 'layout.css';

/* ===== ADDITIONAL COMMON COMPONENTS ===== */

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  font-family: var(--font-family-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-tight);
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--border-radius-lg);
  cursor: pointer;
  transition: all var(--duration-200) var(--ease-out);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  user-select: none;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left var(--duration-500) var(--ease-out);
}

.btn:hover::before {
  left: 100%;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

.btn:disabled {
  opacity: var(--opacity-50);
  cursor: not-allowed;
  transform: none !important;
}

/* Button variants */
.btn--primary {
  background: var(--gradient-primary);
  color: var(--color-light-100);
  border-color: var(--color-primary-600);
}

.btn--primary:hover {
  background: var(--gradient-primary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--glow-primary);
}

.btn--secondary {
  background: var(--color-surface-elevated);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.btn--secondary:hover {
  background: var(--color-dark-600);
  border-color: var(--color-primary-500);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary-400);
  border-color: var(--color-primary-500);
}

.btn--outline:hover {
  background: var(--color-primary-500);
  color: var(--color-light-100);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md), var(--glow-primary);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: transparent;
}

.btn--ghost:hover {
  background: var(--gradient-glass);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

/* Button sizes */
.btn--sm {
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-xs);
  gap: var(--spacing-1);
}

.btn--lg {
  padding: var(--spacing-4) var(--spacing-8);
  font-size: var(--font-size-base);
  gap: var(--spacing-3);
}

.btn--xl {
  padding: var(--spacing-5) var(--spacing-10);
  font-size: var(--font-size-lg);
  gap: var(--spacing-3);
}

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

.card {
  background: var(--gradient-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-2xl);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-md);
  transition: all var(--duration-300) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient-glass);
  opacity: 0;
  transition: opacity var(--duration-300) var(--ease-out);
  pointer-events: none;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-500);
}

.card:hover::before {
  opacity: 1;
}

.card__header {
  margin-bottom: var(--spacing-4);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: var(--spacing-4);
}

.card__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
}

.card__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

.card__content {
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.card__footer {
  margin-top: var(--spacing-4);
  padding-top: var(--spacing-4);
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Card variants */
.card--glass {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: var(--backdrop-blur-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.card--elevated {
  box-shadow: var(--shadow-xl);
}

.card--flat {
  box-shadow: none;
  border: 1px solid var(--color-border);
}

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

.form-group {
  margin-bottom: var(--spacing-6);
}

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

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  transition: all var(--duration-200) var(--ease-out);
  appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  background: var(--color-surface-elevated);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-input--error,
.form-textarea--error,
.form-select--error {
  border-color: var(--color-error-500);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-error {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--color-error-400);
  margin-top: var(--spacing-1);
}

.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 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right var(--spacing-3) center;
  background-repeat: no-repeat;
  background-size: 16px;
  padding-right: var(--spacing-10);
}

/* Checkbox and Radio */
.checkbox-label,
.radio-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.checkbox-input,
.radio-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.checkbox-custom,
.radio-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background: var(--color-surface);
  transition: all var(--duration-200) var(--ease-out);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.radio-custom {
  border-radius: 50%;
}

.checkbox-input:checked + .checkbox-custom,
.radio-input:checked + .radio-custom {
  background: var(--color-primary-500);
  border-color: var(--color-primary-500);
}

.checkbox-input:checked + .checkbox-custom::after {
  content: '✓';
  color: var(--color-light-100);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
}

.radio-input:checked + .radio-custom::after {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--color-light-100);
  border-radius: 50%;
}

/* ===== BADGES & PILLS ===== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  padding: var(--spacing-1) var(--spacing-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-none);
  border-radius: var(--border-radius-full);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

.badge--primary {
  background: rgba(59, 130, 246, 0.15);
  color: var(--color-primary-300);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge--success {
  background: rgba(34, 197, 94, 0.15);
  color: var(--color-success-300);
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.badge--warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--color-warning-300);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge--error {
  background: rgba(239, 68, 68, 0.15);
  color: var(--color-error-300);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* ===== LOADING & SPINNERS ===== */

.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: 50%;
  border-top-color: var(--color-primary-500);
  animation: spin 1s ease-in-out infinite;
}

.spinner--lg {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

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

.loading-dots {
  display: inline-flex;
  gap: var(--spacing-1);
}

.loading-dots::before,
.loading-dots::after,
.loading-dots {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-primary-500);
  border-radius: 50%;
  animation: loading-dots 1.4s ease-in-out infinite both;
}

.loading-dots::before {
  animation-delay: -0.32s;
}

.loading-dots::after {
  animation-delay: -0.16s;
}

@keyframes loading-dots {
  0%, 80%, 100% {
    transform: scale(0.8);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* ===== TOOLTIPS ===== */

.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip__content {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-bottom: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-3);
  background: var(--color-dark-800);
  color: var(--color-light-100);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--border-radius-md);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-200) var(--ease-out);
  z-index: var(--z-index-tooltip);
  pointer-events: none;
}

.tooltip__content::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 4px solid transparent;
  border-top-color: var(--color-dark-800);
}

.tooltip:hover .tooltip__content {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-4px);
}

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

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

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

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  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;
  }
}

/* Animation utility classes */
.animate-fade-in {
  animation: fadeIn var(--duration-500) var(--ease-out);
}

.animate-slide-in-left {
  animation: slideInLeft var(--duration-500) var(--ease-out);
}

.animate-slide-in-right {
  animation: slideInRight var(--duration-500) var(--ease-out);
}

.animate-scale-in {
  animation: scaleIn var(--duration-300) var(--ease-out);
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

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

/* Spacing utilities */
.mt-auto { margin-top: auto; }
.mb-auto { margin-bottom: auto; }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }

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

.m-0 { margin: 0; }
.m-1 { margin: var(--spacing-1); }
.m-2 { margin: var(--spacing-2); }
.m-3 { margin: var(--spacing-3); }
.m-4 { margin: var(--spacing-4); }
.m-5 { margin: var(--spacing-5); }
.m-6 { margin: var(--spacing-6); }

/* Flexbox utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }

/* Grid utilities */
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

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

/* Width and height utilities */
.w-full { width: 100%; }
.w-auto { width: auto; }
.h-full { height: 100%; }
.h-auto { height: auto; }

/* Position utilities */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Z-index utilities */
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

/* Border radius utilities */
.rounded-none { border-radius: 0; }
.rounded-sm { border-radius: var(--border-radius-sm); }
.rounded { border-radius: var(--border-radius-base); }
.rounded-lg { border-radius: var(--border-radius-lg); }
.rounded-xl { border-radius: var(--border-radius-xl); }
.rounded-full { border-radius: var(--border-radius-full); }

/* Shadow utilities */
.shadow-none { box-shadow: none; }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow-base); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

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

@media (max-width: 767px) {
  .mobile\:hidden { display: none; }
  .mobile\:block { display: block; }
  .mobile\:flex { display: flex; }
  .mobile\:grid { display: grid; }
  
  .mobile\:text-center { text-align: center; }
  .mobile\:text-left { text-align: left; }
  
  .mobile\:flex-col { flex-direction: column; }
  .mobile\:items-center { align-items: center; }
  .mobile\:justify-center { justify-content: center; }
  
  .mobile\:w-full { width: 100%; }
  .mobile\:h-auto { height: auto; }
  
  .mobile\:p-3 { padding: var(--spacing-3); }
  .mobile\:p-4 { padding: var(--spacing-4); }
  .mobile\:m-0 { margin: 0; }
  .mobile\:mb-4 { margin-bottom: var(--spacing-4); }
}

@media (min-width: 768px) {
  .tablet\:block { display: block; }
  .tablet\:flex { display: flex; }
  .tablet\:grid { display: grid; }
  .tablet\:hidden { display: none; }
  
  .tablet\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tablet\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 1200px) {
  .desktop\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .desktop\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}