/*
 * Global styles for BestShop.
 * The design follows a glassmorphism aesthetic, utilizing translucent panels,
 * subtle blurs and soft shadows to create depth and a modern feel. The
 * underlying color scheme uses blue‑grey tones with gentle gradients and
 * balanced typography for readability.
 */

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

:root {
  /* Primary palette based on a professional blue with elegant neutrals */
  --primary-color: #0a5bd8; /* vivid accent color for buttons and highlights */
  --primary-color-dark: #0849a7; /* darker shade for hover effects */
  --secondary-color: #f5f8fc; /* ultra light background tone */
  --glass-bg: rgba(255, 255, 255, 0.5); /* semi‑transparent white for glass panels */
  --glass-border: rgba(255, 255, 255, 0.7); /* subtle border for glass panels */
  --glass-shadow: rgba(0, 0, 0, 0.08); /* softer shadow */
  --text-color: #243b53; /* deep navy for readability */
  --muted-text: #55677a; /* muted text color for secondary information */
  --light-text-color: #ffffff; /* pure white for text on dark backgrounds */
  --success-color: #2f9e44;
  --danger-color: #d94848;
}

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

body {
  font-family: 'Poppins', sans-serif;
  color: var(--text-color);
  background: linear-gradient(135deg, rgba(232, 241, 255, 0.8), rgba(217, 229, 255, 0.8));
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: var(--glass-bg);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 2px 8px var(--glass-shadow);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
  margin: 0;
  width: 100%;
}

.nav-brand {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary-color);
}

.nav-links {
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  font-weight: 500;
  position: relative;
  padding: 0.25rem 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

/* Hero section */
.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 4rem 2rem;
  flex: 1 0 auto;
  min-height: 70vh;
}

.hero .glass-box {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: 0 6px 30px var(--glass-shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: 20px;
  padding: 3rem;
  max-width: 800px;
  margin: 2rem auto;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  line-height: 1.5;
}

.btn {
  display: inline-block;
  background: var(--primary-color);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 32px;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
}

.btn:hover {
  background: var(--primary-color-dark);
  transform: translateY(-2px);
}

/* Product listing */
.products-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  padding: 2rem;
}

.product-card {
  flex: 1 1 260px;
  max-width: 300px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: 0 4px 30px var(--glass-shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  color: var(--text-color);
  overflow: hidden;
}

/* Product images */
.product-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 1rem;
}

.product-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.3rem;
  color: var(--primary-color);
}

.product-card p {
  font-size: 0.95rem;
  line-height: 1.4;
  margin-bottom: 1rem;
}

.product-card .price {
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 1rem;
}

/* Modal (order form) */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: 0 4px 30px var(--glass-shadow);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-radius: 16px;
  padding: 2rem;
  width: 100%;
  max-width: 500px;
  color: var(--text-color);
  position: relative;
}

.modal-content h2 {
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.modal-content label {
  display: block;
  margin-top: 1rem;
  font-weight: 500;
}

.modal-content input,
.modal-content select {
  width: 100%;
  padding: 0.6rem 0.8rem;
  margin-top: 0.3rem;
  border-radius: 8px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: rgba(255, 255, 255, 0.6);
  color: var(--text-color);
}

.modal-content .close-btn {
  position: absolute;
  top: 10px;
  right: 15px;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-color);
}

.confirmation-message {
  text-align: center;
  margin-top: 1rem;
  font-size: 1rem;
  color: var(--primary-color);
}

/* Footer */
footer {
  background: var(--glass-bg);
  border-top: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 1rem 2rem;
  margin-top: auto;
  text-align: center;
  font-size: 0.85rem;
}

footer a {
  color: var(--primary-color);
  margin: 0 0.5rem;
}

/* Admin styles */
.admin-container {
  padding: 2rem;
}

.admin-container h2 {
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 2rem;
}

.admin-table th,
.admin-table td {
  padding: 0.75rem 0.5rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  text-align: left;
  font-size: 0.9rem;
}

.admin-table th {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* Section for adding new products in admin */
.add-product-section {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 1rem;
  padding: 1rem 1.5rem;
  margin-bottom: 2rem;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.add-product-section h3 {
  margin-top: 0;
  color: var(--primary-color);
}

.form-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 0.8rem;
}

.form-row label {
  width: 140px;
  font-weight: 500;
  margin-right: 0.5rem;
}

.form-row input {
  flex: 1;
  padding: 0.4rem 0.5rem;
  border-radius: 6px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  font-size: 0.9rem;
}

.error-message {
  color: #e63946;
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

/* Delete button for products */
.delete-btn {
  background: #e63946;
  color: #fff;
  border: none;
  padding: 0.3rem 0.7rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 0.3s;
  margin-left: 0.5rem;
}

.delete-btn:hover {
  background: #b22234;
}

.status-select {
  padding: 0.3rem 0.5rem;
  border-radius: 6px;
  border: 1px solid rgba(0,0,0,0.1);
}

.product-edit-input {
  width: 90%;
  padding: 0.4rem 0.5rem;
  border-radius: 6px;
  border: 1px solid rgba(0,0,0,0.1);
}

.save-btn {
  background: var(--primary-color);
  color: #fff;
  border: none;
  padding: 0.3rem 0.7rem;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 0.3s;
}

.save-btn:hover {
  background: #005fa3;
}

/* Login styles for admin page */
.login-box {
  max-width: 400px;
  margin: 6rem auto;
  padding: 2rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: 0 4px 30px var(--glass-shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: 16px;
  text-align: center;
}

.login-box h2 {
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.login-box input[type="password"] {
  width: 100%;
  padding: 0.6rem;
  margin-top: 0.5rem;
  border-radius: 8px;
  border: 1px solid rgba(0,0,0,0.1);
  background: rgba(255,255,255,0.6);
}

.login-box button {
  margin-top: 1rem;
  width: 100%;
  padding: 0.6rem;
  background: var(--primary-color);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  cursor: pointer;
}

.login-box button:hover {
  background: #005fa3;
}

/* Loading spinner */
#loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

#loader .spinner {
  width: 60px;
  height: 60px;
  border: 8px solid rgba(0, 0, 0, 0.1);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Responsive adjustments */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  .products-container {
    padding: 1rem;
  }
  .product-card {
    padding: 1.5rem;
  }
}