@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-color: #060a13;
  --bg-secondary: #0c1220;
  --panel-bg: rgba(14, 20, 35, 0.75);
  --panel-bg-solid: #0e1423;
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-hover: rgba(255, 255, 255, 0.15);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.45);
  --primary: #22d3ee;
  --primary-dim: #0891b2;
  --primary-glow: rgba(34, 211, 238, 0.25);
  --secondary: #818cf8;
  --secondary-glow: rgba(129, 140, 248, 0.25);
  --accent: #a78bfa;
  --success: #34d399;
  --success-glow: rgba(52, 211, 153, 0.3);
  --danger: #fb7185;
  --danger-glow: rgba(251, 113, 133, 0.3);
  --warning: #fbbf24;
  --info: #38bdf8;
  --info-glow: rgba(56, 189, 248, 0.3);
  --text-main: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-color);
  background-image:
    radial-gradient(ellipse at 10% 20%, rgba(34, 211, 238, 0.07), transparent 50%),
    radial-gradient(ellipse at 90% 80%, rgba(129, 140, 248, 0.06), transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(167, 139, 250, 0.03), transparent 60%);
  background-attachment: fixed;
  color: var(--text-main);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

/* ========================================
   NAVBAR
   ======================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(6, 10, 19, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 0 2rem;
}

.navbar-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text-main);
}

.navbar-logo {
  width: 36px;
  height: 36px;
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.3);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.navbar-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.navbar-title span {
  color: var(--primary);
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.06);
}

.nav-link.active {
  color: var(--primary);
}

.nav-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #000;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ========================================
   GLASSMORPHISM PANELS
   ======================================== */
.glass-panel {
  background: var(--panel-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.glass-panel:hover {
  border-color: var(--glass-border-hover);
}

/* ========================================
   DASHBOARD METRIC CARDS
   ======================================== */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.metric-card {
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: transform 0.2s ease, border-color 0.2s ease;
  position: relative;
  overflow: hidden;
}

.metric-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(15, 23, 42, 0.6);
}

.metric-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--primary);
  opacity: 0.5;
}

.metric-card.success::before { background: var(--success); }
.metric-card.warning::before { background: var(--warning); }
.metric-card.danger::before { background: var(--danger); }
.metric-card.neutral::before { background: var(--text-muted); }

.metric-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.5rem;
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

/* ========================================
   SCORE RINGS
   ======================================== */
.score-ring-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.score-ring-svg {
  transform: rotate(-90deg);
  filter: drop-shadow(0 0 8px rgba(0,0,0,0.5));
}

.score-ring-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.05);
}

.score-ring-progress {
  fill: none;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s ease-out;
}

.score-ring-text {
  fill: var(--text-primary);
  font-family: inherit;
  font-weight: 700;
  text-anchor: middle;
  dominant-baseline: middle;
}
/* ========================================
   IMAGE ZOOM MODAL & HOVER EFFECTS
   ======================================== */
.zoomable-image-container {
  position: relative;
  cursor: zoom-in;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  background: rgba(0, 0, 0, 0.2);
}

.zoomable-image-container:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
}

.zoomable-image-container img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 0.3s ease;
}

.zoomable-image-container:hover img {
  transform: scale(1.02);
}

.zoom-overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s ease;
  color: white;
}

.zoomable-image-container:hover .zoom-overlay {
  opacity: 1;
}

.image-modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(6, 10, 19, 0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  cursor: zoom-out;
  padding: 2rem;
  animation: fadeIn 0.2s ease-out forwards;
}

.image-modal-content {
  width: 100%;
  height: 100%;
  max-width: 95vw;
  max-height: 95vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  animation: scaleIn 0.2s ease-out forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.close-modal-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10000;
}

.close-modal-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

/* ========================================
   FILE UPLOAD COMPONENT
   ======================================== */

/* ========================================
   LAYOUT
   ======================================== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem;
  width: 100%;
}

.page-content {
  padding-top: 1rem;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
  text-align: center;
  padding: 4rem 0 2rem;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.2);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  margin-bottom: 1.5rem;
  letter-spacing: 0.3px;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #f1f5f9 0%, #94a3b8 50%, #f1f5f9 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: textShine 4s linear infinite;
}

@keyframes textShine {
  0% {
    background-position: 0% center;
  }

  100% {
    background-position: 200% center;
  }
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  font-weight: 400;
  max-width: 600px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

/* ========================================
   STATS GRID (New Professional Look)
   ======================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3.5rem;
  width: 100%;
}

.stat-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.5rem;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: rgba(34, 211, 238, 0.2);
}

.stat-card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-card-icon {
  color: var(--primary);
}

.stat-card-value {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}

.info-callout-content p strong {
  color: var(--text-main);
  font-weight: 600;
}

/* Lucide Spin Animation */
.lucide-spin {
  animation: lucide-spin 2s linear infinite;
}

@keyframes lucide-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.stat-value {
  color: var(--text-main);
  font-weight: 600;
}

/* ========================================
   UPLOAD ZONE
   ======================================== */
.upload-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  border: 2px dashed rgba(100, 116, 139, 0.3);
  border-radius: var(--radius-xl);
  cursor: pointer;
  transition: all var(--transition-base);
  margin-bottom: 3rem;
  position: relative;
  overflow: hidden;
}

.upload-zone::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(34, 211, 238, 0.03), transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.upload-zone:hover::before,
.upload-zone.drag-active::before {
  opacity: 1;
}

.upload-zone:hover,
.upload-zone.drag-active {
  border-color: var(--primary);
  background: rgba(34, 211, 238, 0.03);
  transform: translateY(-3px);
  box-shadow: 0 0 40px var(--primary-glow), 0 20px 40px rgba(0, 0, 0, 0.3);
}

.upload-icon-container {
  width: 80px;
  height: 80px;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.15);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: all var(--transition-base);
}

.upload-zone:hover .upload-icon-container {
  background: rgba(34, 211, 238, 0.12);
  border-color: rgba(34, 211, 238, 0.3);
  transform: scale(1.05);
}

.upload-icon {
  font-size: 2rem;
  color: var(--primary);
}

.upload-text {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.upload-hint {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.upload-formats {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.format-tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  padding: 0.2rem 0.6rem;
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ========================================
   HOW IT WORKS
   ======================================== */
.how-it-works {
  margin-bottom: 4rem;
}

.section-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  text-align: center;
  margin-bottom: 2rem;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.step-card {
  padding: 1.5rem;
  text-align: center;
  position: relative;
}

.step-number {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.step-1 .step-number {
  background: rgba(34, 211, 238, 0.12);
  color: var(--primary);
}

.step-2 .step-number {
  background: rgba(129, 140, 248, 0.12);
  color: var(--secondary);
}

.step-3 .step-number {
  background: rgba(167, 139, 250, 0.12);
  color: var(--accent);
}

.step-4 .step-number {
  background: rgba(52, 211, 153, 0.12);
  color: var(--success);
}

.step-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.step-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* ========================================
   PROCESSING / PROGRESS
   ======================================== */
.processing-container {
  max-width: 700px;
  margin: 2rem auto;
  animation: fadeSlideIn 0.6s ease forwards;
}

.processing-header {
  text-align: center;
  margin-bottom: 2rem;
}

.processing-header h2 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.processing-header p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.progress-card {
  padding: 2rem;
  margin-bottom: 1.5rem;
}

.progress-bar-bg {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 3px;
  overflow: hidden;
  margin: 1.25rem 0;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 3px;
  position: relative;
}

.progress-bar-fill::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg,
      rgba(255, 255, 255, 0) 0%,
      rgba(255, 255, 255, 0.35) 50%,
      rgba(255, 255, 255, 0) 100%);
  animation: shimmer 1.8s infinite;
}

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

  100% {
    transform: translateX(100%);
  }
}

.progress-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}

.progress-info span:first-child {
  color: var(--text-muted);
}

.progress-info span:last-child {
  color: var(--primary);
  font-weight: 600;
}

.pipeline-steps {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.pipeline-step {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1.2rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid transparent;
  transition: all var(--transition-base);
  font-size: 0.9rem;
}

.pipeline-step.active {
  background: rgba(34, 211, 238, 0.05);
  border-color: rgba(34, 211, 238, 0.15);
}

.pipeline-step.done {
  opacity: 0.5;
}

.pipeline-step-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.pipeline-step.active .pipeline-step-icon {
  background: rgba(34, 211, 238, 0.15);
  animation: pulse 1.5s ease infinite;
}

.pipeline-step.done .pipeline-step-icon {
  background: rgba(52, 211, 153, 0.15);
  color: var(--success);
}

.pipeline-step.pending .pipeline-step-icon {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-muted);
}

@keyframes pulse {

  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(34, 211, 238, 0.3);
  }

  50% {
    box-shadow: 0 0 0 8px rgba(34, 211, 238, 0);
  }
}

.pipeline-step-label {
  color: var(--text-secondary);
  font-weight: 500;
}

.pipeline-step.active .pipeline-step-label {
  color: var(--text-main);
}

.pipeline-step.done .pipeline-step-label {
  color: var(--text-muted);
}

/* ========================================
   REPORT DASHBOARD
   ======================================== */
.dashboard {
  animation: fadeSlideIn 0.7s ease forwards;
}

@keyframes fadeSlideIn {
  from {
    opacity: 0;
    transform: translateY(24px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Verdict */
.verdict-card {
  padding: 1.5rem;
  text-align: center;
  margin-bottom: 0;
  position: relative;
  box-sizing: border-box;
  width: 100%;
}

.verdict-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--danger), #ef4444);
  box-shadow: 0 0 20px var(--danger-glow);
}

.verdict-card.authentic::before {
  background: linear-gradient(90deg, var(--success), var(--primary));
  box-shadow: 0 0 20px var(--success-glow);
}

.verdict-icon {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.verdict-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
  font-weight: 600;
  line-height: 1.4;
}

.verdict-result {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
  line-height: 1.25;
  overflow-wrap: break-word;
  word-break: break-word;
  max-width: 100%;
}

.verdict-fake .verdict-result {
  color: var(--danger);
}

.verdict-card.authentic .verdict-result {
  color: var(--success);
}

.verdict-score {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.02);
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.verdict-score strong {
  font-size: 1.4rem;
}

.verdict-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.verdict-meta-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: left;
  line-height: 1.2;
}

/* Tabs */
.tab-bar {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
  background: rgba(255, 255, 255, 0.03);
  padding: 0.3rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  overflow-x: auto;
  /* scrollbar-width: none; */ /* Removed to show scrollbar */
}

/* Custom Scrollbar for Tab Bar */
.tab-bar::-webkit-scrollbar {
  height: 6px;
}

.tab-bar::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.1);
  border-radius: var(--radius-sm);
}

.tab-bar::-webkit-scrollbar-thumb {
  background: var(--glass-border);
  border-radius: var(--radius-sm);
}

.tab-bar::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

.tab-btn {
  padding: 0.6rem 0.75rem;
  border: none;
  background: none;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
  white-space: nowrap;
  flex-shrink: 0;
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}

.tab-btn.active {
  color: var(--text-main);
  background: rgba(34, 211, 238, 0.1);
  border: 1px solid rgba(34, 211, 238, 0.2);
}

/* Analysis panels */
.analysis-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.analysis-panel {
  padding: 1.75rem;
  min-width: 0;
  overflow-x: hidden;
}

.result-img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  display: block;
  cursor: zoom-in;
  transition: transform var(--transition-fast);
}
.result-img:hover {
  transform: scale(1.02);
}

.image-container {
  min-width: 0;
  overflow: hidden;
}

.image-caption {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 0.5rem;
}

.panel-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--glass-border);
}

.panel-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
}

.panel-icon.gradcam {
  background: rgba(251, 113, 133, 0.12);
}

.panel-icon.shap {
  background: rgba(129, 140, 248, 0.12);
}

.panel-icon.sync {
  background: rgba(251, 191, 36, 0.12);
}

.panel-icon.meta {
  background: rgba(34, 211, 238, 0.12);
}

.panel-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-main);
}

.panel-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

/* Heatmap Image */
.heatmap-container {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  margin-bottom: 1rem;
}

.heatmap-image {
  width: 100%;
  display: block;
  border-radius: var(--radius-md);
  cursor: zoom-in;
  transition: transform var(--transition-fast);
}
.heatmap-image:hover {
  transform: scale(1.02);
}

/* Fullscreen Image Modal */
.image-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(5px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
  padding: 2rem;
  animation: fadeIn 0.2s ease-out;
}

.image-modal-content {
  max-width: 95vw;
  max-height: 95vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 50px rgba(0,0,0,0.5);
  animation: scaleUp 0.2s ease-out;
}

@keyframes scaleUp {
  from { transform: scale(0.95); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.heatmap-legend {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.6;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.heatmap-legend-icon {
  flex-shrink: 0;
  margin-top: 2px;
}

/* Feature List */
.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--text-secondary);
  transition: all var(--transition-fast);
}

.feature-item:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
}

.feature-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.feature-dot.high {
  background: var(--danger);
  box-shadow: 0 0 6px var(--danger-glow);
}

.feature-dot.medium {
  background: var(--warning);
}

.feature-dot.low {
  background: var(--success);
}

/* Sync Score */
.sync-section {
  margin-top: 1.5rem;
}

.sync-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.75rem;
}

.sync-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.sync-value {
  font-size: 1.3rem;
  font-weight: 700;
}

.sync-value.danger {
  color: var(--danger);
}

.sync-value.warning {
  color: var(--warning);
}

.sync-value.success {
  color: var(--success);
}

.sync-description {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
  line-height: 1.5;
}

/* Metadata Table */
.meta-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 0.35rem;
}

.meta-table tr td {
  padding: 0.6rem 0.75rem;
  font-size: 0.85rem;
}

.meta-table tr td:first-child {
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
  width: 45%;
}

.meta-table tr td:last-child {
  color: var(--text-main);
  font-weight: 500;
}

.meta-table tr {
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-sm);
}

.meta-table tr td:first-child {
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.meta-table tr td:last-child {
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* Action Buttons */
.action-bar {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1.5rem;
}

.btn {
  border: none;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-dim), var(--secondary));
  color: #fff;
  box-shadow: 0 4px 20px rgba(34, 211, 238, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(34, 211, 238, 0.3);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  border: 1px solid var(--glass-border);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  border-color: var(--glass-border-hover);
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
  text-align: center;
  padding: 2rem;
  margin-top: 2rem;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--glass-border);
}

.footer a {
  color: var(--primary);
  text-decoration: none;
}

/* ========================================
   DASHBOARD SPLIT LAYOUT (UX OVERHAUL)
   ======================================== */
.dashboard-split {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 2rem;
  max-width: 1440px;
  margin: 0 auto;
  align-items: flex-start;
}

.dashboard-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.dashboard-main {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  min-width: 0;
  overflow-x: hidden;
}

/* Elegant Info Callouts */
.info-callout {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  background: linear-gradient(to right, rgba(34, 211, 238, 0.05), transparent);
  border-left: 3px solid var(--primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-top: 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  overflow: hidden;
  min-width: 0;
}

.info-callout-content {
  min-width: 0;
  overflow-wrap: break-word;
  word-break: break-word;
}

.info-icon {
  font-size: 1.2rem;
}

/* Advanced Accordions */
.expert-accordion {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.expert-accordion:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--glass-border-hover);
}

.expert-accordion summary {
  color: var(--text-secondary);
  font-weight: 600;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.expert-accordion summary::-webkit-details-marker {
  display: none;
}

.expert-accordion summary::after {
  content: '▼';
  font-size: 0.8em;
  transition: transform 0.3s ease;
  color: var(--text-muted);
}

.expert-accordion[open] summary::after {
  transform: rotate(-180deg);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 1024px) {
  .dashboard-split {
    grid-template-columns: 1fr;
  }

  .dashboard-sidebar {
    position: static;
  }
}

@media (max-width: 900px) {
  .hero h1 {
    font-size: 2.4rem;
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .analysis-grid {
    grid-template-columns: 1fr;
  }

  .action-bar {
    grid-template-columns: 1fr;
  }

  .navbar-links {
    display: none;
  }
}

@media (max-width: 600px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .stats-bar {
    gap: 1rem;
  }

  .steps-grid {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 1rem;
  }
}

/* ========================================
   MODERN TABS UI
   ======================================== */
.modern-tab-container {
  display: flex;
  gap: 0.5rem;
  padding: 0.4rem;
  background: rgba(14, 20, 35, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  flex-wrap: wrap;
  box-shadow: inset 0 2px 10px rgba(0,0,0,0.2);
}

.modern-tab-btn {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  font-family: inherit;
}

.modern-tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.modern-tab-btn.active {
  color: #fff;
  background: rgba(34, 211, 238, 0.15);
  border-color: rgba(34, 211, 238, 0.3);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.15);
  font-weight: 600;
}

.modern-tab-btn .tab-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
}

.modern-tab-btn.active .tab-icon {
  opacity: 1;
  color: var(--primary);
}

.analysis-grid {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.analysis-panel {
  max-width: 100%;
  box-sizing: border-box;
  overflow-x: auto;
}

/* ========================================
   HOMEPAGE REDESIGN ANIMATIONS & GRIDS
   ======================================== */

.hero-bg-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 200px;
  background: radial-gradient(ellipse, rgba(34, 211, 238, 0.15), transparent 70%);
  filter: blur(80px);
  z-index: -1;
  animation: pulse-glow 6s infinite alternate ease-in-out;
  pointer-events: none;
}

@keyframes pulse-glow {
  0% { opacity: 0.5; transform: translate(-50%, -50%) scale(0.9); }
  100% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

.upload-zone {
  border: 2px solid transparent;
  background: linear-gradient(var(--bg-color), var(--bg-color)) padding-box,
              linear-gradient(135deg, rgba(34, 211, 238, 0.5), rgba(129, 140, 248, 0.5)) border-box;
  box-shadow: inset 0 0 40px rgba(34, 211, 238, 0.05);
}

.upload-zone:hover, .upload-zone.drag-active {
  background: linear-gradient(var(--bg-color), var(--bg-color)) padding-box,
              linear-gradient(135deg, var(--primary), var(--secondary)) border-box;
  box-shadow: 0 0 40px var(--primary-glow), 0 20px 40px rgba(0, 0, 0, 0.3), inset 0 0 40px rgba(34, 211, 238, 0.1);
  transform: translateY(-5px);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  width: 100%;
}

.feature-card-modern {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 2rem;
  background: rgba(15, 23, 42, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(12px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.feature-card-modern::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, rgba(255,255,255,0.02) 0%, transparent 100%);
  pointer-events: none;
}

.feature-card-modern:hover {
  transform: translateY(-5px);
  background: rgba(15, 23, 42, 0.7);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
  border-color: rgba(255,255,255,0.15);
}

.feature-card-icon-wrapper {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.fade-in-stagger {
  animation: fadeSlideUp 0.6s ease forwards;
  opacity: 0;
  transform: translateY(20px);
}

@keyframes fadeSlideUp {
  to { opacity: 1; transform: translateY(0); }
}