/* Premium Stylesheet for Free Online PDF To Markdown Converter Generator */
:root {
  --bg-dark: #0a0e17;
  --panel-bg: rgba(18, 26, 44, 0.65);
  --primary-glow: #3b82f6;
  --secondary-glow: #10b981;
  --border-color: rgba(255, 255, 255, 0.08);
  --text-primary: #f3f4f6;
  --text-muted: #9ca3af;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: 'Outfit', sans-serif;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
}

.tool-card {
  background: var(--panel-bg);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 2.5rem;
  width: 100%;
  max-width: 650px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 40px rgba(59, 130, 246, 0.15);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tool-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6), 0 0 50px rgba(59, 130, 246, 0.25);
  border-color: rgba(59, 130, 246, 0.3);
}

h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, #60a5fa, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-align: center;
}

.description {
  color: var(--text-muted);
  text-align: center;
  font-size: 0.95rem;
  margin-bottom: 2rem;
  line-height: 1.5;
}

.input-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

input[type="text"], input[type="number"], select, textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border-color);
  background: rgba(0, 0, 0, 0.25);
  color: var(--text-primary);
  font-size: 1rem;
  box-sizing: border-box;
  transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary-glow);
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.25);
}

.action-btn {
  width: 100%;
  padding: 1rem;
  border-radius: 10px;
  border: none;
  background: linear-gradient(135deg, #3b82f6, #10b981);
  color: #ffffff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
  transition: all 0.2s;
}

.action-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.action-btn:active {
  transform: translateY(1px);
}

.results-panel {
  margin-top: 2rem;
  padding: 1.5rem;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px dashed var(--border-color);
  display: none;
  animation: fadeIn 0.4s ease-out forwards;
}

.result-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.result-row:last-child {
  margin-bottom: 0;
}

.result-label {
  color: var(--text-muted);
}

.result-value {
  font-weight: 600;
  color: var(--secondary-glow);
}

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