/* Demo Page Layout */
:root {
  --bg-dark: #050918;
  --bg-alt: #080d20;
  --surface: rgba(14, 19, 32, 0.85);
  --accent: #5d5dff;
  --accent-hover: #7c5dfa;
  --text: #f5f7ff;
  --text-muted: rgba(245, 247, 255, 0.7);
  --border: rgba(255, 255, 255, 0.08);
  --popup-bg: #ffffff;
  --popup-text: #333333;
  --popup-border: #e0e0e0;
  --popup-input-bg: #f9fafb;
  --popup-input-border: #d1d5db;
}

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

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at 20% 20%, rgba(93, 93, 255, 0.12), transparent 55%),
    radial-gradient(circle at 80% 0%, rgba(0, 217, 255, 0.18), transparent 45%),
    var(--bg-dark);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* Navigation */
.demo-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem clamp(1.5rem, 5vw, 3.5rem);
  backdrop-filter: blur(18px);
  background: linear-gradient(180deg, rgba(5, 9, 24, 0.9) 0%, rgba(5, 9, 24, 0.1) 100%);
  position: sticky;
  top: 0;
  z-index: 100;
}

.back-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.25s ease;
}

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

.demo-title {
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Demo Container */
.demo-container {
  display: grid;
  grid-template-columns: 350px 1fr;
  gap: 3rem;
  max-width: 1400px;
  margin: 0 auto;
  padding: 3rem clamp(1.5rem, 5vw, 3.5rem);
}

/* Sidebar */
.demo-sidebar {
  position: sticky;
  top: 120px;
  height: fit-content;
}

.demo-sidebar h2 {
  font-size: 1.8rem;
  margin-bottom: 0.75rem;
}

.demo-sidebar > p {
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 2rem;
}

.demo-instructions {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.demo-instructions h3 {
  font-size: 1rem;
  margin-bottom: 0.75rem;
  color: var(--accent);
}

.demo-instructions ul {
  list-style: none;
  padding: 0;
}

.demo-instructions li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-muted);
  line-height: 1.6;
}

.demo-instructions li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent);
}

.demo-note {
  background: rgba(93, 93, 255, 0.1);
  border: 1px solid rgba(93, 93, 255, 0.3);
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.demo-note strong {
  color: var(--text);
}

.demo-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.demo-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.25rem;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.25s ease;
  font-size: 0.95rem;
}

.demo-btn-primary {
  background: linear-gradient(135deg, var(--accent), #31add6);
  color: #fff;
  box-shadow: 0 18px 32px rgba(93, 93, 255, 0.35);
}

.demo-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 40px rgba(93, 93, 255, 0.45);
}

.demo-btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text);
}

.demo-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* Browser Chrome */
.demo-main {
  display: flex;
  justify-content: center;
  align-items: flex-start;
}

.browser-chrome {
  width: 100%;
  max-width: 480px;
  background: rgba(18, 25, 42, 0.6);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 40px 80px rgba(10, 10, 45, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.browser-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: rgba(12, 16, 28, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.browser-dots {
  display: flex;
  gap: 0.5rem;
}

.browser-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
}

.browser-dots span:nth-child(1) {
  background: #ff5f56;
}

.browser-dots span:nth-child(2) {
  background: #ffbd2e;
}

.browser-dots span:nth-child(3) {
  background: #27c93f;
}

.browser-title {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Popup Replica Styles */
.popup-replica {
  padding: 1.5rem;
  background: rgba(8, 13, 32, 0.4);
}

.popup-container {
  width: 400px;
  background: var(--popup-bg);
  border-radius: 12px;
  border: 1px solid var(--popup-border);
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.popup-header {
  text-align: center;
  padding: 1.5rem 1.5rem 1rem;
  border-bottom: 1px solid var(--popup-border);
}

.popup-header h1 {
  font-size: 1.5rem;
  color: var(--popup-text);
  margin-bottom: 0.25rem;
}

.popup-version {
  font-size: 0.75rem;
  color: #999;
  font-weight: 500;
}

/* Main Tabs */
.main-tabs {
  display: flex;
  gap: 4px;
  padding: 0.75rem;
  background: #f5f5f5;
}

.main-tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem;
  background: transparent;
  border: none;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #666;
  cursor: pointer;
  transition: all 0.2s ease;
}

.main-tab:hover {
  background: rgba(0, 0, 0, 0.05);
}

.main-tab.active {
  background: white;
  color: var(--popup-text);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.main-tab svg {
  stroke: currentColor;
}

/* Tab Content */
.tab-content {
  display: none;
  padding: 1.5rem;
  animation: fadeIn 0.3s ease;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Form Elements */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: #374151;
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-group input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--popup-input-border);
  border-radius: 8px;
  font-size: 0.95rem;
  background: var(--popup-input-bg);
  color: var(--popup-text);
  font-family: inherit;
  transition: all 0.2s ease;
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(93, 93, 255, 0.1);
  background: white;
}

/* Search Options */
.search-options {
  display: flex;
  gap: 1.25rem;
  margin-bottom: 1rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: #666;
  cursor: pointer;
  user-select: none;
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  cursor: pointer;
}

/* Buttons */
.btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1rem;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s ease;
  font-family: inherit;
  margin-bottom: 0.75rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #31add6);
  color: white;
  box-shadow: 0 4px 12px rgba(93, 93, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(93, 93, 255, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: #f3f4f6;
  color: var(--popup-text);
  border: 1px solid var(--popup-input-border);
}

.btn-secondary:hover {
  background: #e5e7eb;
}

.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Status Message */
.status-message {
  padding: 0.75rem;
  border-radius: 8px;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  display: none;
  animation: slideIn 0.3s ease;
}

.status-message.show {
  display: block;
}

.status-message.info {
  background: #dbeafe;
  color: #1e40af;
  border: 1px solid #93c5fd;
}

.status-message.success {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #6ee7b7;
}

.status-message.error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
}

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

/* Results Section */
.results-section {
  margin-top: 1.5rem;
  display: none;
  animation: fadeIn 0.3s ease;
}

.results-section.show {
  display: block;
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--popup-border);
}

.results-header h3 {
  font-size: 1rem;
  color: var(--popup-text);
}

.results-count {
  font-size: 0.85rem;
  color: #666;
  font-weight: 600;
}

.results-list {
  max-height: 400px;
  overflow-y: auto;
}

/* Result Item */
.result-item {
  padding: 0.85rem;
  background: var(--popup-input-bg);
  border: 1px solid var(--popup-input-border);
  border-radius: 8px;
  margin-bottom: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
  animation: resultAppear 0.3s ease;
}

@keyframes resultAppear {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.result-item:hover {
  background: white;
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transform: translateX(4px);
}

.result-path {
  font-family: "Fira Code", monospace;
  font-size: 0.85rem;
  color: var(--popup-text);
  font-weight: 500;
  margin-bottom: 0.25rem;
  word-break: break-all;
}

.result-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.75rem;
  color: #999;
}

.result-type {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

/* Settings Note */
.settings-note {
  display: flex;
  gap: 0.75rem;
  padding: 1rem;
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-radius: 8px;
  margin-top: 1rem;
}

.settings-note svg {
  flex-shrink: 0;
  stroke: #0284c7;
}

.settings-note p {
  font-size: 0.85rem;
  line-height: 1.5;
  color: #0c4a6e;
  margin: 0;
}

/* Footer */
.popup-footer {
  padding: 1rem 1.5rem;
  background: #f9fafb;
  border-top: 1px solid var(--popup-border);
  text-align: center;
  font-size: 0.8rem;
  color: #666;
}

.popup-footer .version {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

/* Utility Classes */
.hidden {
  display: none !important;
}

/* Loading Animation */
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading {
  animation: spin 1s linear infinite;
}

/* Responsive */
@media (max-width: 1100px) {
  .demo-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .demo-sidebar {
    position: static;
  }

  .browser-chrome {
    margin: 0 auto;
  }
}

@media (max-width: 600px) {
  .demo-container {
    padding: 2rem 1rem;
  }

  .popup-container {
    width: 100%;
  }

  .popup-replica {
    padding: 0.5rem;
  }

  .demo-nav {
    padding: 1rem;
  }

  .demo-title {
    font-size: 1rem;
  }
}