/* SONG HÀ CAR - Main Stylesheet */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Pacifico&display=swap');

/* Tailwind CSS */
@import url('https://cdn.tailwindcss.com/3.4.16');

/* Custom CSS Variables */
:root {
  --primary: #1e40af;
  --secondary: #0ea5e9;
  --border-radius: 8px;
  --border-radius-button: 8px;
}

/* Remix Icons Fix */
:where([class^="ri-"])::before { 
  content: "\f3c2"; 
}

/* Custom Components */
.custom-checkbox {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.custom-checkbox input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.checkmark {
  height: 20px;
  width: 20px;
  background-color: #fff;
  border: 2px solid #d1d5db;
  border-radius: 4px;
  position: relative;
}

.custom-checkbox input:checked ~ .checkmark {
  background-color: var(--primary);
  border-color: var(--primary);
}

.checkmark:after {
  content: "";
  position: absolute;
  display: none;
}

.custom-checkbox input:checked ~ .checkmark:after {
  display: block;
}

.custom-checkbox .checkmark:after {
  left: 6px;
  top: 2px;
  width: 6px;
  height: 12px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.custom-radio {
  display: flex;
  align-items: center;
  cursor: pointer;
}

.custom-radio input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
}

.radio-mark {
  height: 20px;
  width: 20px;
  background-color: #fff;
  border: 2px solid #d1d5db;
  border-radius: 50%;
  position: relative;
}

.custom-radio input:checked ~ .radio-mark {
  border-color: var(--primary);
}

.radio-mark:after {
  content: "";
  position: absolute;
  display: none;
  top: 3px;
  left: 3px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
}

.custom-radio input:checked ~ .radio-mark:after {
  display: block;
}

.switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #e5e7eb;
  transition: .4s;
  border-radius: 24px;
}

.slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: .4s;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: var(--primary);
}

input:checked + .slider:before {
  transform: translateX(24px);
}

/* Gallery Grid */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  grid-auto-rows: 200px;
  grid-auto-flow: dense;
  gap: 16px;
}

.gallery-item:nth-child(3n) {
  grid-row: span 2;
}

.gallery-item:nth-child(5n) {
  grid-column: span 2;
}

/* Before-After Slider */
.before-after-slider {
  position: relative;
  overflow: hidden;
}

.before-after-slider .before-image,
.before-after-slider .after-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.before-after-slider .after-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
}

.before-after-slider .slider-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background: white;
  cursor: ew-resize;
  transform: translateX(-50%);
  z-index: 10;
}

.before-after-slider .slider-handle::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 10px rgba(0,0,0,0.3);
}

.before-after-slider .slider-handle::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(90deg);
  width: 20px;
  height: 20px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' width='24' height='24'%3E%3Cpath fill='none' d='M0 0h24v24H0z'/%3E%3Cpath d='M16.172 11l-5.364-5.364 1.414-1.414L20 12l-7.778 7.778-1.414-1.414L16.172 13H4v-2z' fill='%231e40af'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

/* Timeline */
.timeline-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 40px;
  left: 20px;
  bottom: -40px;
  width: 2px;
  background-color: #e5e7eb;
  z-index: 0;
}

/* Price Slider */
.price-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 5px;
  background: #e5e7eb;
  outline: none;
}

.price-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
}

.price-slider::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* Smooth Scrolling */
html {
  scroll-behavior: smooth;
}

/* Loading Animation */
.loading-spinner {
  border: 4px solid #f3f4f6;
  border-top: 4px solid var(--primary);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Responsive Utilities */
@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  }
  
  .gallery-item:nth-child(3n) {
    grid-row: span 1;
  }
  
  .gallery-item:nth-child(5n) {
    grid-column: span 1;
  }
}

/* Custom Button Styles */
.btn-primary {
  background-color: var(--primary);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-button);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
}

.btn-primary:hover {
  background-color: #1e3a8a;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

.btn-secondary {
  background-color: transparent;
  color: var(--primary);
  padding: 0.75rem 1.5rem;
  border-radius: var(--border-radius-button);
  border: 2px solid var(--primary);
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
}

.btn-secondary:hover {
  background-color: var(--primary);
  color: white;
  transform: translateY(-1px);
}

/* Card Hover Effects */
.card-hover {
  transition: all 0.3s ease;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

/* Header Styles */
.header-sticky {
  backdrop-filter: blur(10px);
  background-color: rgba(255, 255, 255, 0.95);
}

/* Footer Styles */
.footer-gradient {
  background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
}