:root {
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --secondary: #06b6d4;
  --bg-dark: #0f172a;
  --bg-card: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --accent: #f43f5e;
  --glass: rgba(30, 41, 59, 0.7);
  --border: rgba(255, 255, 255, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 40%);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  width: 100%;
}

header {
  padding: 2rem 0;
  text-align: center;
  margin-bottom: 2rem;
}

h1 {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(to right, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 0.5rem;
}

p.subtitle {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.app-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 900px) {
  .app-grid {
    grid-template-columns: 1fr;
  }
}

.card {
  background: var(--glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

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

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.9rem;
}

input, textarea, select {
  width: 100%;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  color: white;
  font-size: 1rem;
  transition: all 0.3s ease;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.2);
}

textarea {
  min-height: 150px;
  resize: vertical;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: white;
  border: none;
  border-radius: 12px;
  padding: 1.2rem;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  width: 100%;
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(99, 102, 241, 0.4);
}

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

.label-preview {
  min-height: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 2px dashed var(--border);
  border-radius: 20px;
  color: var(--text-muted);
  position: relative;
  overflow: hidden;
}

.label-content {
  background: white;
  color: black;
  width: 100%;
  padding: 2rem;
  border-radius: 4px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  display: none;
}

.label-content.visible {
  display: block;
  animation: slideUp 0.5s ease-out;
}

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

.allergen {
  font-weight: bold;
  text-decoration: underline;
}

.nutrition-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.8rem;
}

.nutrition-table th, .nutrition-table td {
  border: 1px solid #ddd;
  padding: 4px 8px;
  text-align: left;
}

.nutrition-table th {
  background: #f4f4f4;
}

.loading-spinner {
  display: none;
  width: 40px;
  height: 40px;
  border: 4px solid rgba(255,255,255,0.1);
  border-left-color: var(--primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.print-actions {
  margin-top: 1rem;
  display: none;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: bold;
  margin-right: 0.5rem;
}

.badge-success { background: rgba(34, 197, 94, 0.2); color: #4ade80; border: 1px solid rgba(34, 197, 94, 0.2); }

@media print {
  body * {
    visibility: hidden;
  }
  .label-content, .label-content * {
    visibility: visible;
  }
  .label-content {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    box-shadow: none;
  }
}