:root {
  --bg-primary: #0a0a0a;
  --bg-secondary: #151515;
  --bg-hover: #1f1f1f;
  --text-primary: #e8e8e8;
  --text-secondary: #a0a0a0;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --border: #2a2a2a;
  --shadow: rgba(0, 0, 0, 0.5);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

/* Header */
header {
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 1.5rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background-color: rgba(21, 21, 21, 0.95);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

h1 {
  font-size: 1.5rem;
  font-weight: 600;
}

h1 a {
  text-decoration: none;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: opacity 0.2s ease;
}

h1 a:hover {
  opacity: 0.8;
}

/* Search Bar */
.search-container {
  position: relative;
  flex: 1;
  max-width: 400px;
  min-width: 200px;
}

.search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.5rem;
  background-color: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.search-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  pointer-events: none;
  font-size: 0.9rem;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--bg-hover);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: 0.5rem;
  border: 1px solid var(--border);
  transition: all 0.2s ease;
  font-size: 0.9rem;
}

.back-btn:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  transform: translateX(-2px);
}

/* Main Container */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
}

/* Paste List */
.paste-list {
  display: grid;
  gap: 1rem;
}

.paste-item {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  transition: all 0.2s ease;
  cursor: pointer;
}

.paste-item:hover {
  background-color: var(--bg-hover);
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--shadow);
}

.paste-item a {
  text-decoration: none;
  color: inherit;
  display: block;
  padding: 1.5rem;
}

.paste-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.paste-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.paste-meta span {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* Individual Paste View */
.paste-container {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 2rem;
  margin-bottom: 2rem;
}

.paste-header {
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.paste-header h2 {
  font-size: 1.75rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.paste-actions {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.btn {
  padding: 0.5rem 1rem;
  background-color: var(--accent);
  color: white;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  font-size: 0.9rem;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn:hover {
  background-color: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

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

.paste-content {
  background-color: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 1.5rem;
  white-space: pre-wrap;
  word-wrap: break-word;
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--text-primary);
  overflow-x: auto;
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-secondary);
}

.empty-state h2 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

/* Loading State */
.loading {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-secondary);
}

/* Error State */
.error {
  background-color: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin: 2rem 0;
  color: #fca5a5;
}

/* Toast Notification */
.toast {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background-color: var(--accent);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 0.5rem;
  box-shadow: 0 4px 12px var(--shadow);
  opacity: 0;
  transform: translateY(1rem);
  transition: all 0.3s ease;
  pointer-events: none;
  z-index: 1000;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
  header {
    padding: 1rem;
  }

  h1 {
    font-size: 1.25rem;
  }

  .search-container {
    width: 100%;
    max-width: 100%;
  }

  main {
    padding: 1rem;
  }

  .paste-container {
    padding: 1.5rem;
  }

  .paste-header h2 {
    font-size: 1.5rem;
  }

  .paste-content {
    padding: 1rem;
    font-size: 0.85rem;
  }

  .paste-meta {
    flex-direction: column;
    gap: 0.25rem;
  }

  .toast {
    bottom: 1rem;
    right: 1rem;
    left: 1rem;
  }
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}