/* Modern Material Design Style for OJS */
:root {
  --primary-color: #684E32;
  --primary-light: #8C6B4A;  /* lighter variant */
  --primary-dark: #4C3A24;
  --secondary-color: #03A9F4;
  --accent-color: #FF4081;
  --footer-color: #684E32; /* Footer color as requested */
  --text-primary: #212121;
  --text-secondary: #757575;
  --text-hint: #9e9e9e;
  --text-on-dark: #FFFFFF;
  --divider-color: #EEEEEE;
  --background: #F5F5F5;
  --card-background: #FFFFFF;
  --error-color: #F44336;
  --success-color: #4CAF50;
  --warning-color: #FFC107;
  --shadow-light: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-medium: 0 4px 8px rgba(0,0,0,0.12);
  --shadow-strong: 0 8px 16px rgba(0,0,0,0.15);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --radius: 8px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
}

/* Base Styles */
body {
  background-color: var(--background);
  color: var(--text-primary);
  font-family: 'Roboto', 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container Layout */
.pkp_structure_page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.pkp_structure_content {
  flex: 1;
  margin: var(--spacing-lg) auto;
  max-width: 1200px;
  padding: 0 var(--spacing-md);
  width: calc(100% - var(--spacing-md) * 2);
}

/* Main Content */
.pkp_structure_main {
  background-color: var(--card-background);
  border-radius: var(--radius);
  box-shadow: var(--shadow-light);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-xl);
  transition: var(--transition);
}

.pkp_structure_main:hover {
  box-shadow: var(--shadow-medium);
}

/* Card Components */
.obj_article_summary, 
.obj_issue_summary, 
.obj_announcement_summary,
.additional_content,
.page_register,
.page_lost_password,
.page_login {
  background-color: var(--card-background);
  border-left: 4px solid var(--primary-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-light);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-lg);
  position: relative;
  transition: var(--transition);
}

.obj_article_summary:hover, 
.obj_issue_summary:hover, 
.obj_announcement_summary:hover {
  box-shadow: var(--shadow-medium);
  transform: translateY(-2px);
}

/* Article Titles */
.obj_article_summary .title {
  font-size: 1.4rem;
  font-weight: 500;
  margin-bottom: var(--spacing-md);
}

.obj_article_summary .title a {
  color: var(--primary-color);
  text-decoration: none;
  transition: var(--transition);
}

.obj_article_summary .title a:hover {
  color: var(--primary-dark);
}

/* Meta Information */
.obj_article_summary .meta {
  color: var(--text-secondary);
  display: flex;
  flex-wrap: wrap;
  font-size: 0.9rem;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.obj_article_summary .meta .label {
  color: var(--text-hint);
  font-weight: 500;
  margin-right: var(--spacing-xs);
}

/* Abstract */
.obj_article_summary .description {
  border-top: 1px solid var(--divider-color);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
}

/* Buttons */
.pkp_button, .button, .action, 
button[type="submit"],
input[type="button"],
input[type="submit"] {
  background-color: var(--primary-color);
  border: none;
  border-radius: var(--spacing-xs);
  box-shadow: var(--shadow-light);
  color: white;
  cursor: pointer;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.5px;
  margin: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  text-transform: uppercase;
  transition: var(--transition);
}

.pkp_button:hover, .button:hover, .action:hover,
button[type="submit"]:hover,
input[type="button"]:hover,
input[type="submit"]:hover {
  background-color: var(--primary-dark);
  box-shadow: var(--shadow-medium);
}

/* Secondary buttons */
.pkp_button.secondary {
  background-color: transparent;
  border: 1px solid var(--primary-color);
  color: var(--primary-color);
}

.pkp_button.secondary:hover {
  background-color: rgba(25, 118, 210, 0.08);
}

/* Sidebar */
.pkp_structure_sidebar {
  padding-left: var(--spacing-lg);
}

/* Standard Card Style for Information and Language blocks 
   (matching the Information style from the image) */
.block_information,
.block_language,
.language-panel,
.information-panel,
#languagePanelForm,
.pkp_structure_sidebar .block {
  background-color: var(--card-background);
  border-radius: var(--radius);
  border-left: 4px solid var(--primary-color);
  box-shadow: var(--shadow-light);
  margin-bottom: var(--spacing-lg);
  overflow: hidden;
  transition: var(--transition);
}

.block_information:hover,
.block_language:hover,
.language-panel:hover,
.information-panel:hover,
#languagePanelForm:hover,
.pkp_structure_sidebar .block:hover {
  box-shadow: var(--shadow-medium);
}

/* Heading style for Information and Language blocks 
   (matching the Information style from the image) */
.block_information h2,
.block_language h2,
.language-panel h2,
.information-panel h2,
#languagePanelForm h2,
.pkp_structure_sidebar .block_heading,
.block_information .block_heading,
.block_language .block_heading {
  background-color: transparent;
  color: var(--text-primary);
  font-size: 1.2rem;
  font-weight: 500;
  margin: 0;
  padding: var(--spacing-md) var(--spacing-md) var(--spacing-sm);
  border-bottom: none;
}

/* Content padding */
.block_information .block_content,
.block_language .block_content,
.language-panel .panel-body,
.information-panel .panel-body,
#languagePanelForm .block_content,
#languagePanelForm form,
.pkp_structure_sidebar .block_content {
  padding: 0 var(--spacing-md) var(--spacing-md);
}

/* List styles for sidebar blocks */
.block_information ul,
.block_language ul,
.language-panel ul,
.information-panel ul,
#languagePanelForm ul,
.pkp_structure_sidebar .block_content ul,
ul.locale_languages {
  list-style: none;
  margin: 0;
  padding: 0;
}

.block_information li,
.block_language li,
.language-panel li,
.information-panel li,
#languagePanelForm li,
.pkp_structure_sidebar .block_content li,
ul.locale_languages li {
  margin-bottom: var(--spacing-xs);
}

/* Link styles for sidebar blocks */
.block_information li a,
.block_language li a,
.language-panel li a,
.information-panel li a,
#languagePanelForm li a,
.pkp_structure_sidebar .block_content li a,
ul.locale_languages li a {
  color: var(--primary-color);
  display: block;
  padding: var(--spacing-sm) 0;
  text-decoration: none;
  transition: var(--transition);
}

.block_information li a:hover,
.block_language li a:hover,
.language-panel li a:hover,
.information-panel li a:hover,
#languagePanelForm li a:hover,
.pkp_structure_sidebar .block_content li a:hover,
ul.locale_languages li a:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

/* Forms */
.form .field {
  margin-bottom: var(--spacing-lg);
}

.form .label {
  color: var(--text-secondary);
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

input[type="text"], 
input[type="email"], 
input[type="password"], 
input[type="search"],
select, 
textarea {
  background-color: rgba(0, 0, 0, 0.04);
  border: none;
  border-bottom: 2px solid var(--text-hint);
  border-radius: var(--spacing-xs) var(--spacing-xs) 0 0;
  font-size: 1rem;
  padding: var(--spacing-md) var(--spacing-md);
  transition: var(--transition);
  width: 100%;
}

input[type="text"]:focus, 
input[type="email"]:focus, 
input[type="password"]:focus,
input[type="search"]:focus,
select:focus, 
textarea:focus {
  background-color: rgba(25, 118, 210, 0.05);
  border-bottom: 2px solid var(--primary-color);
  outline: none;
}

/* Pagination */
.cmp_pagination {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin: var(--spacing-lg) 0;
}

.cmp_pagination a,
.cmp_pagination .current {
  align-items: center;
  background-color: var(--card-background);
  border-radius: 50%;
  box-shadow: var(--shadow-light);
  color: var(--text-primary);
  display: flex;
  height: 40px;
  justify-content: center;
  margin: var(--spacing-xs);
  text-decoration: none;
  transition: var(--transition);
  width: 40px;
}

.cmp_pagination a:hover {
  background-color: var(--primary-color);
  box-shadow: var(--shadow-medium);
  color: white;
}

.cmp_pagination .current {
  background-color: var(--primary-color);
  color: white;
}

/* Breadcrumbs */
.cmp_breadcrumbs {
  background-color: var(--card-background);
  border-radius: var(--radius);
  box-shadow: var(--shadow-light);
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
}

.cmp_breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  margin: 0;
  padding: 0;
}

.cmp_breadcrumbs li {
  font-size: 0.9rem;
  margin-right: var(--spacing-md);
  position: relative;
}

.cmp_breadcrumbs li:not(:last-child):after {
  content: '/';
  margin-left: var(--spacing-md);
  color: var(--text-hint);
}

.cmp_breadcrumbs a {
  color: var(--primary-color);
  text-decoration: none;
}

.cmp_breadcrumbs a:hover {
  text-decoration: underline;
}

/* Footer */
.pkp_structure_footer_wrapper {
  background-color: var(--footer-color);
  color: white;
  margin-top: auto;
  padding: var(--spacing-xl) 0;
}

.pkp_structure_footer {
  margin: 0 auto;
  max-width: 1200px;
  padding: 0 var(--spacing-lg);
}

.pkp_footer_content {
  display: grid;
  gap: var(--spacing-lg);
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.pkp_footer_content a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: var(--transition);
}

.pkp_footer_content a:hover {
  color: white;
  text-decoration: underline;
}

/* Remove OJS brand image */
.pkp_brand_footer {
  display: none;
}

/* Tables */
table {
  border-collapse: separate;
  border-spacing: 0;
  margin: var(--spacing-lg) 0;
  width: 100%;
}

table th {
  background-color: rgba(25, 118, 210, 0.08);
  border-bottom: 2px solid var(--primary-color);
  color: var(--primary-dark);
  font-weight: 500;
  padding: var(--spacing-md);
  text-align: left;
}

table td {
  border-bottom: 1px solid var(--divider-color);
  padding: var(--spacing-md);
}

table tr:last-child td {
  border-bottom: none;
}

table tr:hover td {
  background-color: rgba(25, 118, 210, 0.04);
}

/* Mobile-specific enhancements */
@media (max-width: 768px) {
  .pkp_structure_content {
    display: flex;
    flex-direction: column;
  }
  
  .pkp_structure_main {
    order: 1;
    padding: var(--spacing-lg);
  }
  
  .pkp_structure_sidebar {
    order: 2;
    padding-left: 0;
  }
  
  /* Make forms more touch-friendly */
  input[type="text"], 
  input[type="email"], 
  input[type="password"], 
  input[type="search"],
  select, 
  textarea {
    font-size: 16px; /* Prevents iOS zoom on focus */
    padding: var(--spacing-md);
  }
  
  /* Better touch targets for mobile */
  .pkp_button, .button, .action, 
  button[type="submit"],
  input[type="button"],
  input[type="submit"] {
    padding: var(--spacing-md) var(--spacing-lg);
    width: 100%;
    margin: var(--spacing-sm) 0;
  }
  
  /* Card adjustments for smaller screens */
  .obj_article_summary, 
  .obj_issue_summary, 
  .obj_announcement_summary,
  .block_information {
    padding: var(--spacing-md);
  }
  
  /* Footer adjustments */
  .pkp_footer_content {
    grid-template-columns: 1fr;
  }
}

/* Tablet adjustments */
@media (min-width: 769px) and (max-width: 1024px) {
  .pkp_structure_main {
    padding: var(--spacing-lg);
  }
  
  .pkp_structure_sidebar {
    padding-left: var(--spacing-md);
  }
}

/* Print styles */
@media print {
  .pkp_structure_head,
  .pkp_structure_footer_wrapper,
  .pkp_structure_sidebar {
    display: none;
  }
  
  .pkp_structure_main {
    box-shadow: none;
    margin: 0;
    padding: 0;
    width: 100%;
  }
  
  body {
    background: white;
    color: black;
  }
}

/* Accessibility improvements */
a:focus, button:focus, input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

.visually-hidden {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}