/* Custom styles */
html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: #f8f9fa;
}

.card {
  border-radius: 12px;
}

.btn-lg {
  padding: 12px 30px;
  font-size: 1.1rem;
}

/* Date input styling */
input[type="date"] {
  position: relative;
}

input[type="date"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
}

/* Card hover effects */
.card-hover {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}

/* Modern Navbar Styling */
.navbar {
  padding: 0.3rem 0;
  border: none;
  box-shadow: none;
}

.navbar-brand {
  text-decoration: none;
}

.navbar-brand img {
  border: none;
  box-shadow: none;
}

/* Header - clean, no effects */
header {
  background: white;
  border: none;
  box-shadow: none;
}

/* Contact Buttons - Floating on the right side */
.contact-buttons {
  position: fixed;
  right: 20px;
  bottom: 80px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.contact-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: white;
  font-size: 24px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
  animation: pulse 2s infinite;
}

.contact-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Phone Button - Green */
.phone-btn {
  background: linear-gradient(135deg, #4ade80 0%, #22c55e 100%);
}

.phone-btn:hover {
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
}

/* Facebook Button - Blue */
.facebook-btn {
  background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
}

.facebook-btn:hover {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
}

/* Zalo Button - Light Blue */
.zalo-btn {
  background: linear-gradient(135deg, #7dd3fc 0%, #38bdf8 100%);
  font-weight: bold;
  font-size: 16px;
}

.zalo-btn:hover {
  background: linear-gradient(135deg, #38bdf8 0%, #0ea5e9 100%);
}

.zalo-text {
  font-family: Arial, sans-serif;
  font-weight: 600;
}

/* TikTok Button - Black/Dark */
.tiktok-btn {
  background: linear-gradient(135deg, #000000 0%, #161823 100%);
}

.tiktok-btn:hover {
  background: linear-gradient(135deg, #161823 0%, #000000 100%);
}

.tiktok-btn svg {
  width: 24px;
  height: 24px;
}

/* Pulse animation */
@keyframes pulse {
  0%, 100% {
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  }
  50% {
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.4);
  }
}

/* Mobile responsive */
@media (max-width: 768px) {
  .contact-buttons {
    right: 15px;
    bottom: 60px;
    gap: 12px;
  }
  
  .contact-btn {
    width: 50px;
    height: 50px;
    font-size: 20px;
  }
  
  .zalo-btn {
    font-size: 14px;
  }
}