/* ========================================
   4i4A Group - Step 5: News Terminal System
   Gradual Migration - News Component
   ======================================== */

/* ===== GLOBAL UI SYSTEM ===== */
:root {
  /* Global panel transparency control - ultra transparent (90% transparent) */
  --panel-opacity: 0.1;
  --item-opacity: 0.05;
  
  /* Unified UI styling system with ultra-dark backgrounds */
  --ui-bg-primary: linear-gradient(135deg, rgba(0, 0, 0, var(--panel-opacity)) 0%, rgba(8, 8, 8, var(--panel-opacity)) 100%);
  --ui-bg-accent: repeating-linear-gradient(45deg, transparent 2px, rgba(0, 255, 136, 0.06) 2px, rgba(0, 255, 136, 0.06) 4px);
  --ui-border: 2px solid var(--electric-cyan);
  --ui-border-radius: 17px;
  --ui-shadow: 0 8px 25px rgba(0,0,0,0.4);
  --ui-padding: 20px;
  --ui-text-color: var(--light-blue);
  --ui-accent-color: var(--electric-cyan);
  --ui-transition: all 0.2s ease;
}

/* ===== UNIVERSAL PANEL STYLING ===== */
.u-panel,
.custom-eth-price,
.solana-price-panel,
.doge-panel,
.oi-panel,
.sentiment-panel,
.news-section {
  background: var(--ui-bg-primary), var(--ui-bg-accent) !important;
  border: var(--ui-border) !important;
  border-radius: var(--ui-border-radius) !important;
  box-shadow: var(--ui-shadow) !important;
  padding: var(--ui-padding) !important;
  color: var(--ui-text-color) !important;
  transition: var(--ui-transition) !important;
  position: relative !important;
  overflow: hidden !important;
  box-sizing: border-box !important;
}

/* Universal panel hover effect */
.u-panel:hover,
.custom-eth-price:hover,
.solana-price-panel:hover,
.doge-panel:hover,
.oi-panel:hover,
.sentiment-panel:hover,
.news-section:hover {
  border-color: var(--terminal-green) !important;
  box-shadow: 0 0 15px rgba(0, 255, 136, 0.3), var(--ui-shadow) !important;
}

/* ===== THEME SUPPORT FOR UNIFIED UI ===== */
/* Industrial Hacker Theme (default) - ultra-dark backgrounds */
:root {
  --ui-bg-primary: linear-gradient(135deg, rgba(0, 0, 0, var(--panel-opacity)) 0%, rgba(8, 8, 8, var(--panel-opacity)) 100%);
}

/* Cyber Neon Theme - ultra-dark backgrounds */
[data-theme="cyber-neon"] {
  --ui-accent-color: #00ff65;
  --ui-border: 2px solid #00ff65;
  --ui-bg-primary: linear-gradient(135deg, rgba(0, 0, 0, var(--panel-opacity)) 0%, rgba(2, 8, 3, var(--panel-opacity)) 100%);
  --ui-bg-accent: repeating-linear-gradient(45deg, transparent 2px, rgba(0, 255, 101, 0.04) 2px, rgba(0, 255, 101, 0.04) 4px);
}

/* Retro Wave Theme - ultra-dark backgrounds */
[data-theme="retro-wave"] {
  --ui-accent-color: #ff0080;
  --ui-border: 2px solid #ff0080;
  --ui-bg-primary: linear-gradient(135deg, rgba(0, 0, 0, var(--panel-opacity)) 0%, rgba(8, 2, 5, var(--panel-opacity)) 100%);
  --ui-bg-accent: repeating-linear-gradient(45deg, transparent 2px, rgba(255, 0, 128, 0.04) 2px, rgba(255, 0, 128, 0.04) 4px);
}

/* Matrix Green Theme - ultra-dark backgrounds */
[data-theme="matrix-green"] {
  --ui-accent-color: #39ff14;
  --ui-border: 2px solid #39ff14;
  --ui-bg-primary: linear-gradient(135deg, rgba(0, 0, 0, var(--panel-opacity)) 0%, rgba(1, 5, 1, var(--panel-opacity)) 100%);
  --ui-bg-accent: repeating-linear-gradient(45deg, transparent 2px, rgba(57, 255, 20, 0.04) 2px, rgba(57, 255, 20, 0.04) 4px);
}

/* Minimal Dark Theme - ultra-dark backgrounds */
[data-theme="minimal-dark"] {
  --ui-accent-color: #007acc;
  --ui-border: 2px solid #007acc;
  --ui-bg-primary: linear-gradient(135deg, rgba(0, 0, 0, var(--panel-opacity)) 0%, rgba(2, 3, 8, var(--panel-opacity)) 100%);
  --ui-bg-accent: repeating-linear-gradient(45deg, transparent 2px, rgba(0, 122, 204, 0.04) 2px, rgba(0, 122, 204, 0.04) 4px);
}

/* ===== NEWS TERMINAL VARIABLES ===== */
:root {
  /* News terminal colors */
  --news-bg-primary: rgba(26, 26, 26, var(--panel-opacity));
  --news-bg-secondary: rgba(0, 0, 0, var(--panel-opacity));
  --news-border-primary: var(--electric-cyan, #00ffff);
  --news-border-width: 3px;
  --news-border-radius: 8px;
  
  /* News content styling */
  --news-text-primary: var(--light-blue, #cfe3ff);
  --news-text-secondary: var(--muted-blue, #bcd4ff);
  --news-text-accent: var(--electric-cyan, #00ffff);
  --news-text-warning: var(--toxic-yellow, #ffff00);
  
  /* News item styling */
  --news-item-bg: rgba(0, 0, 0, var(--item-opacity));
  --news-item-border: rgba(0, 255, 136, 0.3);
  --news-item-padding: 10px 12px;
  --news-item-border-radius: 5px;
  --news-item-font-size: 10px;
  --news-item-line-height: 1.5;
  --news-item-min-height: 70px;
  
  /* News animations */
  --news-scan-duration: 2s;
  --news-fade-duration: 0.6s;
  --news-hover-transform: translateX(5px);
  
  /* News grid */
  --news-grid-gap: 12px;
  --news-grid-padding: 8px 4px;
}

/* ===== NEWS TERMINAL BASE ===== */

.u-news-terminal {
  height: 100% !important;
  display: flex !important;
  flex-direction: column !important;
  background: var(--news-bg-secondary) !important;
  border-radius: 4px !important;
  overflow-x: hidden !important;
  overflow-y: visible !important;
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
}

.u-news-panel {
  width: 100% !important;
  max-width: 100% !important;
  padding: 22px !important;
  background: var(--news-bg-primary) !important;
  border: var(--news-border-width) solid var(--news-border-primary) !important;
  border-radius: 17px !important;
  box-shadow: 0 0 28px rgba(0, 255, 136, 0.3), inset 0 0 28px rgba(0, 255, 136, 0.1) !important;
  box-sizing: border-box !important;
  max-height: calc(100vh - 40px) !important;
  overflow-y: auto !important;
  overflow-x: hidden !important;
  word-wrap: break-word !important;
  min-height: 300px !important;
  position: relative !important;
  transition: all 0.3s ease !important;
}

.u-news-panel:hover {
  border-color: var(--news-text-warning) !important;
  box-shadow: 0 0 25px rgba(255, 255, 0, 0.4), inset 0 0 25px rgba(255, 255, 0, 0.1) !important;
}

/* ===== NEWS TERMINAL EFFECTS ===== */

.u-news-panel::before {
  content: '' !important;
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: 2px !important;
  background: linear-gradient(90deg, transparent, var(--news-border-primary), transparent) !important;
  animation: newsScanLine var(--news-scan-duration) linear infinite !important;
}

.u-news-panel::after {
  content: '' !important;
  position: absolute !important;
  bottom: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: 2px !important;
  background: linear-gradient(90deg, transparent, var(--news-text-warning), transparent) !important;
  animation: newsScanLine var(--news-scan-duration) linear infinite reverse !important;
}

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

/* ===== NEWS HEADER ===== */

.u-news-header {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  margin-bottom: 12px !important;
  padding: 8px !important;
  background: rgba(0, 0, 0, 0.3) !important;
  border-radius: 4px !important;
  border: 1px solid var(--news-item-border) !important;
}

.u-news-title {
  margin: 0 !important;
  font-size: 18px !important;
  font-weight: 600 !important;
  opacity: 0.9 !important;
  text-align: center !important;
  color: var(--news-text-primary) !important;
  font-family: 'Share Tech Mono', monospace !important;
  text-transform: uppercase !important;
  letter-spacing: 2px !important;
}

.u-news-title::before {
  content: '[ ' !important;
  color: var(--news-text-accent) !important;
}

.u-news-title::after {
  content: ' ]' !important;
  color: var(--news-text-accent) !important;
}

/* ===== NEWS GRID SYSTEM ===== */

.u-news-grid {
  flex: 1 !important;
  overflow-y: auto !important;
  overflow-x: hidden !important;
  display: grid !important;
  grid-template-columns: 1fr !important;
  gap: var(--news-grid-gap) !important;
  scrollbar-width: thin !important;
  scrollbar-color: var(--news-border-primary) rgba(0, 0, 0, 0.3) !important;
  padding: var(--news-grid-padding) !important;
  scroll-behavior: smooth !important;
  will-change: scroll-position !important;
  width: 100% !important;
  max-width: none !important;
  box-sizing: border-box !important;
}

.u-news-grid::-webkit-scrollbar {
  width: 6px !important;
}

.u-news-grid::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.3) !important;
}

.u-news-grid::-webkit-scrollbar-thumb {
  background: var(--news-border-primary) !important;
  border-radius: 3px !important;
}

/* ===== NEWS ITEMS ===== */

.u-news-item {
  background: var(--news-item-bg) !important;
  border: 1px solid var(--news-item-border) !important;
  border-radius: var(--news-item-border-radius) !important;
  padding: var(--news-item-padding) !important;
  font-family: 'Share Tech Mono', monospace !important;
  font-size: var(--news-item-font-size) !important;
  color: var(--news-text-primary) !important;
  transition: all 0.3s ease !important;
  position: relative !important;
  line-height: var(--news-item-line-height) !important;
  min-height: var(--news-item-min-height) !important;
  display: flex !important;
  flex-direction: column !important;
  justify-content: space-between !important;
  word-wrap: break-word !important;
  overflow-wrap: break-word !important;
  width: 100% !important;
  max-width: 100% !important;
  overflow-x: hidden !important;
  box-sizing: border-box !important;
  opacity: 0 !important;
  transform: translateY(10px) !important;
  animation: newsItemFadeIn var(--news-fade-duration) ease-out forwards !important;
}

.u-news-item:hover {
  background: rgba(0, 255, 136, 0.1) !important;
  border-color: var(--news-border-primary) !important;
  transform: var(--news-hover-transform) !important;
  box-shadow: 0 0 8px rgba(0, 255, 136, 0.2) !important;
}

@keyframes newsItemFadeIn {
  0% {
    opacity: 0;
    transform: translateY(10px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== NEWS ITEM CONTENT ===== */

.u-news-item-title {
  color: var(--news-border-primary) !important;
  font-weight: 600 !important;
  margin-bottom: 4px !important;
  font-size: 11px !important;
  font-family: 'Share Tech Mono', monospace !important;
  display: block !important;
  line-height: 1.4 !important;
  max-width: calc(100% - 50px) !important;
  overflow: visible !important;
  white-space: normal !important;
  word-wrap: break-word !important;
}

.u-news-item-content {
  flex: 1 !important;
  margin-bottom: 8px !important;
  color: var(--news-text-primary) !important;
  line-height: var(--news-item-line-height) !important;
}

.u-news-item-meta {
  display: flex !important;
  justify-content: space-between !important;
  align-items: center !important;
  font-size: 8px !important;
  font-family: 'Share Tech Mono', monospace !important;
  color: var(--news-text-secondary) !important;
  border-top: 1px solid rgba(255, 255, 255, 0.1) !important;
  padding-top: 6px !important;
  margin-top: auto !important;
}

.u-news-item-source {
  color: var(--news-text-accent) !important;
  font-weight: 600 !important;
  text-transform: uppercase !important;
}

.u-news-item-time {
  color: var(--news-text-secondary) !important;
  font-style: italic !important;
}

/* ===== NEWS ITEM VARIANTS ===== */

.u-news-item-breaking {
  border-color: var(--news-text-warning) !important;
  background: rgba(255, 255, 0, 0.05) !important;
  animation: newsBreaking 1s ease-in-out infinite alternate !important;
}

.u-news-item-breaking .u-news-item-title::before {
  content: '🚨 BREAKING: ' !important;
  color: var(--news-text-warning) !important;
  animation: flicker 0.5s infinite !important;
}

@keyframes newsBreaking {
  0% { border-color: var(--news-text-warning); }
  100% { border-color: var(--hacker-red, #ff0040); }
}

.u-news-item-important {
  border-color: var(--hacker-red, #ff0040) !important;
  background: rgba(255, 0, 64, 0.05) !important;
}

.u-news-item-positive {
  border-color: var(--neon-green, #00ff88) !important;
  background: rgba(0, 255, 136, 0.05) !important;
}

.u-news-item-positive .u-news-item-title {
  color: var(--neon-green, #00ff88) !important;
}

/* ===== NEWS LOADING STATES ===== */

.u-news-loading {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  padding: 40px !important;
  color: var(--news-text-secondary) !important;
  font-family: 'Share Tech Mono', monospace !important;
}

.u-news-loading::before {
  content: 'LOADING NEURAL NETWORK FEED' !important;
  animation: newsLoadingDots 1.5s infinite !important;
}

@keyframes newsLoadingDots {
  0%, 33% { content: 'LOADING NEURAL NETWORK FEED'; }
  34%, 66% { content: 'LOADING NEURAL NETWORK FEED.'; }
  67%, 100% { content: 'LOADING NEURAL NETWORK FEED..'; }
}

/* ===== NEWS RESPONSIVE ===== */

@media (max-width: 768px) {
  .u-news-panel {
    padding: 16px !important;
    min-height: 350px !important;
  }
  
  .u-news-item {
    padding: 16px !important;
    min-height: 100px !important;
  }
  
  .u-news-item-title {
    font-size: 14px !important;
    max-width: 100% !important;
  }
  
  .u-news-grid {
    gap: 16px !important;
  }
}

/* ===== NEWS TERMINAL ENHANCEMENTS ===== */

.u-news-enhanced {
  position: relative !important;
}

.u-news-enhanced::before {
  content: '█' !important;
  position: absolute !important;
  top: 10px !important;
  right: 10px !important;
  color: var(--neon-green, #00ff88) !important;
  animation: blink 1s infinite !important;
  font-family: monospace !important;
  font-size: 12px !important;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* ===== STEP 5 COMPLETE - NEWS TERMINAL SYSTEM READY ===== */