/* ===================================
   Museo dell'Assicurazione - Common Styles
   Biblioteca Digitale
   =================================== */

/* CSS Variables */
:root {
  --color-primary-green: #1B5E20;
  --color-dark-gray: #424242;
  --color-header-footer: #2b2b2b;
  --color-text-primary: #1a1a1a;
  --color-text-secondary: #666666;
  --color-background: #ffffff;
  --color-background-alt: #f5f5f5;
  --color-accent: #2D5F2E;
}

/* Reset and Base */
* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text-primary);
  margin: 0;
  padding: 0;
}

/* Museum Header */
.museum-header {
  background-color: var(--color-header-footer);
  color: #ffffff;
  padding: 15px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  position: relative;
  z-index: 100;
}

.museum-header .logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: #ffffff;
  gap: 12px;
  transition: opacity 0.3s ease;
}

.museum-header .logo-link:hover {
  opacity: 0.9;
}

.museum-header .header-logo {
  height: 45px;
  width: auto;
}

.museum-header .logo-link span {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.3px;
}

.museum-header .back-link {
  color: #ffffff;
  text-decoration: none;
  font-size: 14px;
  padding: 8px 16px;
  border-radius: 6px;
  transition: all 0.3s ease;
  background-color: rgba(255, 255, 255, 0.1);
}

.museum-header .back-link:hover {
  background-color: var(--color-primary-green);
  transform: translateX(-2px);
}

/* Museum Footer */
.museum-footer {
  background-color: #1a1a1a;
  color: #ffffff;
  padding: 25px 20px;
  text-align: center;
  margin-top: auto;
}

.museum-footer img {
  height: 30px;
  width: auto;
  margin-bottom: 10px;
  opacity: 0.9;
}

.museum-footer p {
  margin: 0;
  font-size: 13px;
  color: #cccccc;
  letter-spacing: 0.3px;
}

/* Modern Navigation Controls */
.topnav {
  margin-top: 15px !important;
  margin-bottom: 15px !important;
}

.topnav > div {
  background-color: rgba(255, 255, 255, 0.95) !important;
  padding: 12px 20px !important;
  border-radius: 8px !important;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.12) !important;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.topnav button {
  background-color: var(--color-primary-green);
  color: #ffffff;
  border: none;
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  min-width: 40px;
}

.topnav button:hover {
  background-color: var(--color-accent);
  transform: scale(1.05);
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
}

.topnav button:active {
  transform: scale(0.98);
}

.topnav .page-current {
  font-weight: 600;
  color: var(--color-primary-green);
  font-size: 16px;
}

.topnav .page-total {
  color: var(--color-text-secondary);
  font-size: 16px;
}

/* Index Page Styles */
.index-container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-background-alt);
}

.index-header {
  background-color: var(--color-header-footer);
  color: #ffffff;
  padding: 30px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.index-header img {
  height: 80px;
  width: auto;
  margin-bottom: 15px;
}

.index-header h1 {
  margin: 0;
  font-size: 32px;
  font-weight: 400;
  letter-spacing: 0.5px;
}

.index-header p {
  margin: 10px 0 0 0;
  font-size: 16px;
  opacity: 0.9;
  font-weight: 300;
}

.books-grid {
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  flex: 1;
}

.book-card {
  background-color: var(--color-background);
  border-radius: 8px;
  padding: 20px;
  text-decoration: none;
  color: var(--color-text-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  overflow: hidden;
}

.book-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
  transform: translateY(-4px);
}

.book-card .book-thumbnail {
  width: 100%;
  height: 240px;
  border-radius: 4px;
  margin-bottom: 15px;
  object-fit: cover;
  background-color: hsl(35, 55%, 98%);
  border: 1px solid hsl(35, 20%, 70%);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.book-card h2 {
  margin: 0 0 8px 0;
  font-size: 20px;
  font-weight: 600;
  color: var(--color-primary-green);
}

.book-card .book-subtitle {
  margin: 0;
  font-size: 16px;
  color: var(--color-text-secondary);
  font-weight: 400;
}

.book-card .book-year {
  margin: 8px 0 0 0;
  font-size: 14px;
  color: var(--color-text-secondary);
  font-style: italic;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .books-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
  }
}

@media (max-width: 768px) {
  .museum-header {
    padding: 12px 20px;
    flex-direction: column;
    gap: 10px;
  }

  .museum-header .logo-link span {
    font-size: 14px;
  }

  .museum-header .header-logo {
    height: 35px;
  }

  .index-header {
    padding: 25px 20px;
  }

  .index-header img {
    height: 60px;
  }

  .index-header h1 {
    font-size: 24px;
  }

  .index-header p {
    font-size: 14px;
  }

  .books-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin: 30px auto;
  }

  .topnav > div {
    padding: 10px 15px !important;
    gap: 8px;
  }

  .topnav button {
    padding: 6px 12px;
    font-size: 14px;
    min-width: 36px;
  }
}

/* Page Content Layout for Book Pages */
.page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page-wrapper .flex-container {
  flex: 1;
}