/*
 * VibePostAI Core - Main Styles
 * Version: 1.2.0
 * 
 * Comprehensive styling system for all core plugin interactions
 */

/* ====== IMPORTS & DEPENDENCIES ====== */
@import url('core-buttons.css');
@import url('core-notifications.css');
@import url('core-animations.css');

/* ====== CORE LAYOUT COMPONENTS ====== */
.vpa-core-container {
  max-width: 100%;
  margin: 0 auto;
  padding: 0 16px;
}

.vpa-interaction-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 16px 0;
}

.vpa-user-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
  background: var(--vpa-core-bg-lighter);
  border: 1px solid var(--vpa-core-border);
  border-radius: 12px;
  transition: all var(--vpa-anim-normal) ease;
}

.vpa-user-actions:hover {
  background: var(--vpa-core-bg-hover);
  border-color: var(--vpa-core-primary);
  box-shadow: 0 2px 8px rgba(58, 163, 255, 0.1);
}

/* ====== USER PROFILE INTEGRATION ====== */
.vpa-user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--vpa-core-bg);
  border: 1px solid var(--vpa-core-border);
  border-radius: 16px;
  margin-bottom: 24px;
}

.vpa-user-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--vpa-core-primary);
  transition: transform var(--vpa-anim-normal) ease;
}

.vpa-user-avatar:hover {
  transform: scale(1.1);
}

.vpa-user-info {
  flex: 1;
}

.vpa-user-name {
  font-weight: 600;
  color: var(--vpa-core-text);
  margin: 0 0 4px 0;
  font-size: 16px;
}

.vpa-user-meta {
  color: var(--vpa-core-text-secondary);
  font-size: 14px;
  margin: 0;
}

/* ====== STATS DISPLAY ====== */
.vpa-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.vpa-stat-item {
  text-align: center;
  padding: 20px 16px;
  background: var(--vpa-core-bg-lighter);
  border: 1px solid var(--vpa-core-border);
  border-radius: 12px;
  transition: all var(--vpa-anim-normal) ease;
}

.vpa-stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  border-color: var(--vpa-core-primary);
}

.vpa-stat-number {
  display: block;
  font-size: 28px;
  font-weight: 700;
  color: var(--vpa-core-primary);
  margin-bottom: 8px;
  line-height: 1;
}

.vpa-stat-label {
  font-size: 14px;
  color: var(--vpa-core-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

/* ====== ENGAGEMENT INDICATORS ====== */
.vpa-engagement-bar {
  width: 100%;
  height: 6px;
  background: var(--vpa-core-bg-lighter);
  border-radius: 3px;
  overflow: hidden;
  margin: 12px 0;
}

.vpa-engagement-fill {
  height: 100%;
  background: linear-gradient(90deg, 
    var(--vpa-core-primary), 
    var(--vpa-core-success));
  border-radius: 3px;
  transition: width var(--vpa-anim-slow) ease;
  position: relative;
}

.vpa-engagement-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(255, 255, 255, 0.3), 
    transparent);
  animation: vpa-shimmer 2s ease-in-out infinite;
}

@keyframes vpa-shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ====== ACTIVITY FEED ====== */
.vpa-activity-feed {
  background: var(--vpa-core-bg);
  border: 1px solid var(--vpa-core-border);
  border-radius: 16px;
  padding: 24px;
  margin: 24px 0;
}

.vpa-activity-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--vpa-core-border);
}

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

.vpa-activity-icon {
  width: 32px;
  height: 32px;
  background: var(--vpa-core-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 14px;
  flex-shrink: 0;
}

.vpa-activity-content {
  flex: 1;
}

.vpa-activity-text {
  color: var(--vpa-core-text);
  margin: 0 0 4px 0;
  line-height: 1.5;
}

.vpa-activity-time {
  color: var(--vpa-core-text-secondary);
  font-size: 12px;
  margin: 0;
}

/* ====== MODAL OVERLAYS ====== */
.vpa-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(11, 15, 20, 0.8);
  backdrop-filter: blur(8px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.vpa-modal {
  background: var(--vpa-core-bg);
  border: 1px solid var(--vpa-core-border);
  border-radius: 20px;
  max-width: 500px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.vpa-modal-header {
  padding: 24px 24px 0;
  border-bottom: 1px solid var(--vpa-core-border);
  margin-bottom: 24px;
}

.vpa-modal-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--vpa-core-text);
  margin: 0 0 16px 0;
}

.vpa-modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 32px;
  height: 32px;
  border: none;
  background: none;
  cursor: pointer;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--vpa-core-text-secondary);
  transition: all var(--vpa-anim-fast) ease;
}

.vpa-modal-close:hover {
  background: var(--vpa-core-bg-hover);
  color: var(--vpa-core-text);
}

.vpa-modal-body {
  padding: 0 24px 24px;
}

/* ====== RESPONSIVE DESIGN ====== */
@media (max-width: 768px) {
  .vpa-interaction-wrapper {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  
  .vpa-user-actions {
    justify-content: center;
  }
  
  .vpa-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  
  .vpa-stat-item {
    padding: 16px 12px;
  }
  
  .vpa-stat-number {
    font-size: 24px;
  }
  
  .vpa-modal {
    margin: 20px;
    max-height: calc(100vh - 40px);
  }
  
  .vpa-modal-header,
  .vpa-modal-body {
    padding-left: 16px;
    padding-right: 16px;
  }
}

@media (max-width: 480px) {
  .vpa-core-container {
    padding: 0 12px;
  }
  
  .vpa-stats-grid {
    grid-template-columns: 1fr;
  }
  
  .vpa-user-profile {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }
  
  .vpa-activity-item {
    flex-direction: column;
    gap: 8px;
  }
  
  .vpa-activity-icon {
    align-self: center;
  }
}

/* ====== THEME INTEGRATION ====== */
body.vpa-theme-dark {
  --vpa-core-bg: #0B0F14;
  --vpa-core-bg-lighter: #1a1f26;
  --vpa-core-bg-hover: #252b34;
  --vpa-core-text: #ffffff;
  --vpa-core-text-secondary: #9ca3af;
  --vpa-core-border: #374151;
}

body.vpa-theme-light {
  --vpa-core-bg: #ffffff;
  --vpa-core-bg-lighter: #f9fafb;
  --vpa-core-bg-hover: #f3f4f6;
  --vpa-core-text: #111827;
  --vpa-core-text-secondary: #6b7280;
  --vpa-core-border: #e5e7eb;
}

/* ====== ACCESSIBILITY ENHANCEMENTS ====== */
.vpa-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;
}

.vpa-focus-visible:focus-visible {
  outline: 2px solid var(--vpa-core-primary);
  outline-offset: 2px;
}

.vpa-high-contrast {
  filter: contrast(1.2) brightness(1.1);
}

/* ====== PRINT STYLES ====== */
@media print {
  .vpa-modal-overlay,
  .vpa-notification,
  .vpa-button,
  .vpa-user-actions {
    display: none !important;
  }
  
  .vpa-core-container {
    max-width: none;
    padding: 0;
  }
  
  * {
    background: white !important;
    color: black !important;
    box-shadow: none !important;
  }
}

/* ====== LEGACY BROWSER SUPPORT ====== */
@supports not (backdrop-filter: blur(8px)) {
  .vpa-modal-overlay {
    background: rgba(11, 15, 20, 0.95);
  }
}

@supports not (display: grid) {
  .vpa-stats-grid {
    display: flex;
    flex-wrap: wrap;
  }
  
  .vpa-stat-item {
    flex: 1;
    min-width: 120px;
  }
}

/* ====== PERFORMANCE OPTIMIZATIONS ====== */
.vpa-core-container * {
  box-sizing: border-box;
}

.vpa-gpu-layer {
  transform: translateZ(0);
  will-change: transform;
}

.vpa-contain-layout {
  contain: layout style paint;
}

/* ====== CUSTOM PROPERTIES FOR THEMING ====== */
:root {
  --vpa-spacing-xs: 4px;
  --vpa-spacing-sm: 8px;
  --vpa-spacing-md: 16px;
  --vpa-spacing-lg: 24px;
  --vpa-spacing-xl: 32px;
  
  --vpa-radius-sm: 6px;
  --vpa-radius-md: 12px;
  --vpa-radius-lg: 16px;
  --vpa-radius-xl: 20px;
  
  --vpa-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --vpa-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --vpa-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
  --vpa-shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* ====== UTILITY CLASSES ====== */
.vpa-hidden { display: none !important; }
.vpa-visible { display: block !important; }
.vpa-flex { display: flex; }
.vpa-grid { display: grid; }
.vpa-relative { position: relative; }
.vpa-absolute { position: absolute; }
.vpa-fixed { position: fixed; }

.vpa-text-center { text-align: center; }
.vpa-text-left { text-align: left; }
.vpa-text-right { text-align: right; }

.vpa-m-0 { margin: 0; }
.vpa-mt-1 { margin-top: var(--vpa-spacing-xs); }
.vpa-mb-1 { margin-bottom: var(--vpa-spacing-xs); }
.vpa-p-0 { padding: 0; }
.vpa-pt-1 { padding-top: var(--vpa-spacing-xs); }
.vpa-pb-1 { padding-bottom: var(--vpa-spacing-xs); }