/* assets/css/style.css */

:root {
  --primary-blue: #0052cc;
  --primary-dark: #003d99;
  --accent-green: #00c853;
  --accent-green-dark: #009624;
  --bg-light: #f4f7f6;
  --text-main: #333333;
  --text-muted: #666666;
  --white: #ffffff;
  --border-color: #e0e0e0;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  background-color: var(--bg-light);
  color: var(--text-main);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

/* Utilitários */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }

.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }

.text-primary { color: var(--primary-blue); }
.text-accent { color: var(--accent-green); }
.text-muted { color: var(--text-muted); }
.text-white { color: var(--white); }

.bg-primary { background-color: var(--primary-blue); }
.bg-accent { background-color: var(--accent-green); }
.bg-white { background-color: var(--white); }
.bg-light { background-color: var(--bg-light); }

.flex { display: flex; }
.grid { display: grid; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }

.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }

.p-2 { padding: 0.5rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.rounded { border-radius: 0.25rem; }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: 9999px; }

.border { border: 1px solid var(--border-color); }
.border-2 { border: 2px solid var(--border-color); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.cursor-pointer { cursor: pointer; }
.transition { transition: all 0.3s ease; }
.hover-shadow:hover { box-shadow: var(--shadow-lg); }

/* Componentes Específicos */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  text-align: center;
  border-radius: var(--radius-md);
  transition: background-color 0.2s, transform 0.1s;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background-color: var(--primary-blue);
  color: var(--white);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
}

.btn-accent {
  background-color: var(--accent-green);
  color: var(--white);
}

.btn-accent:hover {
  background-color: var(--accent-green-dark);
}

.btn-outline {
  border: 2px solid var(--primary-blue);
  color: var(--primary-blue);
  background: transparent;
}

.btn-outline:hover {
  background-color: var(--primary-blue);
  color: var(--white);
}

.card {
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.input-field {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: border-color 0.2s;
}

.input-field:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(0, 82, 204, 0.1);
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 9999px;
  text-transform: uppercase;
}

.badge-promo {
  background-color: var(--accent-green);
  color: var(--white);
}

.badge-category {
  background-color: #e6f0ff;
  color: var(--primary-blue);
}

/* Header */
.header {
  background: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

/* Footer */
.footer {
  background: var(--text-main);
  color: var(--white);
  padding: 3rem 0;
  margin-top: 4rem;
}

/* Grid de Produtos */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
}

/* Modal Carrinho */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: var(--white);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 1.5rem;
  position: relative;
}

/* Checkout Steps */
.step-indicator {
  display: flex;
  justify-content: space-between;
  margin-bottom: 2rem;
  position: relative;
}

.step-indicator::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--border-color);
  z-index: 1;
}

.step {
  position: relative;
  z-index: 2;
  text-align: center;
  flex: 1;
}

.step-circle {
  width: 30px;
  height: 30px;
  background: var(--white);
  border: 2px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 0.5rem;
  font-weight: bold;
}

.step.active .step-circle {
  background: var(--primary-blue);
  border-color: var(--primary-blue);
  color: var(--white);
}

.step.completed .step-circle {
  background: var(--accent-green);
  border-color: var(--accent-green);
  color: var(--white);
}

/* Animação de Loading */
.spinner {
  border: 4px solid rgba(0, 0, 0, 0.1);
  border-left-color: var(--primary-blue);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

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

/* Responsivo */
@media (max-width: 768px) {
  .container {
    padding: 0 0.5rem;
  }
  
  .product-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1rem;
  }
  
  .text-3xl {
    font-size: 1.5rem;
  }
}