:root {
  --bg-color: #f9fafb;
  --text-color: #111827;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --danger: #ef4444;
  --card-bg: #ffffff;
  --border: #e5e7eb;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  margin: 0;
  padding: 20px;
  display: flex;
  justify-content: center;
}

.container {
  width: 100%;
  max-width: 600px;
  background: var(--card-bg);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.hidden {
  display: none !important;
}

h1, h2 {
  margin-top: 0;
}

.input-group {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

input {
  flex: 1;
  padding: 10px 15px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 16px;
  text-transform: uppercase;
}

button {
  padding: 10px 20px;
  background-color: var(--primary);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.2s;
}

button:hover {
  background-color: var(--primary-hover);
}

.btn-outline {
  background-color: transparent;
  color: var(--danger);
  border: 1px solid var(--danger);
}
.btn-outline:hover {
  background-color: var(--danger);
  color: white;
}

.btn-primary {
  width: 100%;
  margin: 20px 0;
  padding: 15px;
  font-weight: bold;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
  padding-bottom: 20px;
}

.info-text {
  color: #6b7280;
  text-align: center;
  margin-bottom: 20px;
}

.feed {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.paste-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 15px;
  background: #fdfdfd;
}

.paste-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  font-size: 12px;
  color: #6b7280;
}

.paste-content {
  background: #f3f4f6;
  padding: 10px;
  border-radius: 6px;
  font-family: monospace;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 200px;
  overflow-y: auto;
  font-size: 14px;
}

.paste-actions {
  margin-top: 10px;
  display: flex;
  justify-content: flex-end;
}

.paste-actions button {
  padding: 6px 12px;
  font-size: 14px;
}

.error {
  color: var(--danger);
  margin-top: 10px;
  font-size: 14px;
}

.paste-card {
  cursor: pointer;
  transition: transform 0.1s;
}

.paste-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.thumbnail {
  max-width: 100%;
  max-height: 200px;
  object-fit: contain;
  border-radius: 4px;
  margin-top: 10px;
}