/* ImgDrop Web - Design System & Modern UI */
:root {
  --bg-main: #090A0F;
  --bg-gradient: radial-gradient(circle at 50% -20%, rgba(255, 255, 255, 0.08) 0%, #090A0F 70%);
  --surface-card: rgba(22, 25, 38, 0.85);
  --surface-hover: rgba(255, 255, 255, 0.06);
  --surface-active: rgba(255, 255, 255, 0.16);
  --border-glass: rgba(255, 255, 255, 0.1);
  --border-focus: #FFFFFF;
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --accent-pill: #FFFFFF;
  --accent-pill-text: #090A0F;
  --ad-slot-bg: rgba(255, 255, 255, 0.02);
  --shadow-card: 0 16px 40px rgba(0, 0, 0, 0.4);
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
}

[data-theme="light"] {
  --bg-main: #F5F5F7;
  --bg-gradient: radial-gradient(circle at 50% -20%, rgba(0, 0, 0, 0.03) 0%, #F5F5F7 70%);
  --surface-card: #FFFFFF;
  --surface-hover: rgba(0, 0, 0, 0.04);
  --surface-active: #1C1C1E;
  --border-glass: rgba(0, 0, 0, 0.08);
  --border-focus: #000000;
  --text-primary: #1C1C1E;
  --text-secondary: #636366;
  --text-muted: #8E8E93;
  --accent-pill: #1C1C1E;
  --accent-pill-text: #FFFFFF;
  --ad-slot-bg: rgba(0, 0, 0, 0.02);
  --shadow-card: 0 10px 30px rgba(0, 0, 0, 0.06);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", sans-serif;
  background-color: var(--bg-main);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Navigation Header */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  background: rgba(9, 10, 15, 0.75);
  border-bottom: 1px solid var(--border-glass);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

[data-theme="light"] .site-nav {
  background: rgba(245, 245, 247, 0.85);
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
}

.brand-icon {
  width: 32px;
  height: 32px;
}

.brand-name {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.brand-tag {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  background: var(--surface-hover);
  border-radius: 4px;
  color: var(--text-secondary);
  border: 1px solid var(--border-glass);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: var(--surface-hover);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle-btn {
  background: var(--surface-hover);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
}

.chrome-install-btn {
  background: var(--accent-pill);
  color: var(--accent-pill-text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 100px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(255, 255, 255, 0.15);
  transition: all 0.2s ease;
}

.chrome-install-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.25);
}

/* Page Layout */
.main-content {
  flex: 1;
  max-width: 1040px;
  width: 100%;
  margin: 0 auto;
  padding: 32px 20px 64px 20px;
}

/* Hero Section */
.hero-header {
  text-align: center;
  margin-bottom: 28px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-hover);
  border: 1px solid var(--border-glass);
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.hero-title {
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -0.8px;
  line-height: 1.15;
  margin-bottom: 10px;
}

.hero-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto;
}

/* Ad Placement Slots */
.ad-slot-leaderboard {
  max-width: 728px;
  min-height: 90px;
  margin: 0 auto 24px auto;
  background: var(--ad-slot-bg);
  border: 1px dashed var(--border-glass);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
}

.ad-slot-native {
  width: 100%;
  min-height: 250px;
  margin: 20px 0;
  background: var(--ad-slot-bg);
  border: 1px dashed var(--border-glass);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
}

/* Tool Container Workspace */
.tool-card {
  background: var(--surface-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 24px;
  margin-bottom: 40px;
}

/* Dropzone */
.dropzone-container {
  border: 2px dashed var(--border-glass);
  background: var(--surface-hover);
  border-radius: var(--radius-md);
  padding: 48px 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.dropzone-container:hover, .dropzone-container.drag-active {
  border-color: var(--border-focus);
  background: rgba(255, 255, 255, 0.08);
  transform: scale(1.005);
}

[data-theme="light"] .dropzone-container:hover {
  background: rgba(0, 0, 0, 0.05);
}

.drop-icon-circle {
  width: 56px;
  height: 56px;
  background: var(--surface-hover);
  border: 1px solid var(--border-glass);
  border-radius: 50%;
  margin: 0 auto 16px auto;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dropzone-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 6px;
}

.dropzone-sub {
  font-size: 13px;
  color: var(--text-secondary);
}

/* Result Deck & Settings Panel */
.result-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 768px) {
  .result-section {
    grid-template-columns: 1fr;
  }
}

.preview-box-wrapper {
  background: #000000;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.preview-box-wrapper img {
  max-width: 100%;
  max-height: 380px;
  object-fit: contain;
  display: block;
}

/* Stats Comparison Bar */
.stats-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: var(--surface-hover);
  border-radius: var(--radius-sm);
  margin-top: 12px;
  font-size: 13px;
  font-weight: 600;
}

.savings-pill {
  background: rgba(70, 240, 210, 0.15);
  color: #46f0d2;
  border: 1px solid rgba(70, 240, 210, 0.3);
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 800;
}

/* Settings Controls */
.settings-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.control-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.pills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  gap: 6px;
}

.pill-btn {
  background: var(--surface-hover);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.18s ease;
  text-align: center;
}

.pill-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
}

.pill-btn.active {
  background: var(--surface-active) !important;
  border-color: var(--border-focus) !important;
  color: #FFFFFF !important;
  font-weight: 700;
}

[data-theme="light"] .pill-btn.active {
  background: #1C1C1E !important;
  color: #FFFFFF !important;
}

.input-field {
  width: 100%;
  height: 38px;
  background: var(--surface-hover);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  padding: 0 12px;
  font-size: 13px;
  outline: none;
}

.input-field:focus {
  border-color: var(--border-focus);
}

/* Hero Action Buttons */
.btn-primary {
  width: 100%;
  height: 44px;
  background: var(--accent-pill);
  color: var(--accent-pill-text);
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  box-shadow: 0 4px 14px rgba(255, 255, 255, 0.15);
  transition: all 0.2s ease;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.25);
}

.btn-secondary {
  width: 100%;
  height: 38px;
  background: var(--surface-hover);
  border: 1px solid var(--border-glass);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
}

/* Feature Showcase Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin: 48px 0;
}

.feature-card {
  background: var(--surface-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 24px;
  text-decoration: none;
  color: var(--text-primary);
  transition: all 0.2s ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-focus);
}

.feature-icon-box {
  width: 44px;
  height: 44px;
  background: var(--surface-hover);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.feature-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 6px;
}

.feature-desc {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* SEO & FAQ Content Section */
.seo-section {
  margin: 56px 0;
}

.seo-title {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 24px;
  text-align: center;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--surface-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 20px;
}

.faq-q {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}

.faq-a {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Site Footer */
.site-footer {
  border-top: 1px solid var(--border-glass);
  background: var(--surface-card);
  padding: 32px 24px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
}

.footer-link:hover {
  color: var(--text-primary);
}

.hidden {
  display: none !important;
}

/* Cookie Consent Banner */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 20px;
  right: 20px;
  max-width: 600px;
  margin: 0 auto;
  background: rgba(22, 25, 38, 0.95);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  padding: 18px 22px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 14px;
  animation: slideUp 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] .cookie-banner {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.cookie-content {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.cookie-icon {
  font-size: 24px;
  line-height: 1;
  flex-shrink: 0;
}

.cookie-text {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.55;
}

.cookie-text a {
  color: var(--text-primary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.cookie-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.cookie-btn {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.cookie-btn-primary {
  background: var(--text-primary);
  color: var(--bg-main);
  border: none;
}

.cookie-btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.cookie-btn-secondary {
  background: var(--surface-hover);
  color: var(--text-secondary);
  border: 1px solid var(--border-glass);
}

.cookie-btn-secondary:hover {
  background: var(--surface-active);
  color: var(--text-primary);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}