@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap");

:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: #f8fafc;
  color: #0f172a;
  -webkit-tap-highlight-color: transparent;
}

.custom-scrollbar::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
.custom-scrollbar::-webkit-scrollbar-track {
  background: #f1f5f9;
}
.custom-scrollbar::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 9999px;
}
.custom-scrollbar::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* Card & Interactive UI */
.card-hover {
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.card-hover:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: white;
  transition: all 0.2s ease;
}
.btn-primary:hover {
  background: linear-gradient(135deg, #1d4ed8 0%, #1e40af 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}
.btn-primary:active {
  transform: translateY(0);
}

/* Modal Animations */
.modal-backdrop {
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  animation: fadeIn 0.2s ease-out;
}
.modal-content {
  animation: slideUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* High-precision Print Styles */
@media print {
  @page {
    size: A4 portrait;
    margin: 6mm;
  }

  html, body {
    background: #ffffff !important;
    color: #000000 !important;
    margin: 0 !important;
    padding: 0 !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .no-print, header, nav, footer, button, .btn, #sidebar, .mobile-bottom-nav {
    display: none !important;
  }

  .print-only {
    display: block !important;
  }

  .invoice-printable {
    box-shadow: none !important;
    border: 1px solid #94a3b8 !important;
    border-radius: 8px !important;
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 auto !important;
    padding: 16px !important;
  }

  .thermal-mode {
    width: 80mm !important;
    max-width: 80mm !important;
    padding: 2mm !important;
    font-size: 11px !important;
    border: none !important;
  }
}