/*
===================
FlatRead Modern CSS Styles
===================
Modern sidebar/column styling
-------------------
Name: FlatRead Modern
Author: Marc Thibeault (Modernized)
Version: 2.0
Module: column.css
*/

/* Modern Sidebar */
.modern-sidebar {
  /* Remove order properties to prevent layout swapping */
}

.sidebar-sticky {
  position: sticky;
  top: calc(120px + var(--space-lg));
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

/* Table of Contents Widget */
.toc-widget {
  background: var(--color-background);
  border-radius: var(--border-radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
}

.widget-title {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-xs);
  border-bottom: 2px solid var(--color-border-light);
}

.toc-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toc-section-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.toc-section {
  margin-bottom: var(--space-md);
}

.toc-section:last-child {
  margin-bottom: 0;
}

.toc-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border-light);
  margin-bottom: var(--space-sm);
}

.toc-section-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0;
}

.toc-toggle {
  background: none;
  border: none;
  color: var(--color-text-secondary);
  cursor: pointer;
  font-size: var(--font-size-sm);
  padding: var(--space-xs);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.toc-toggle:hover {
  background-color: var(--color-background-tertiary);
  color: var(--color-primary);
}

.toc-section-content {
  max-height: 200px;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.toc-section-content.collapsed {
  max-height: 0;
}

.toc-section-content.expanded {
  max-height: 1000px;
}

/* Show first few items when collapsed */
.toc-section-content.collapsed .toc-nav ul li:nth-child(n+4) {
  display: none;
}

/* TOC Links */
.toc-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.toc-nav li {
  margin-bottom: var(--space-xs);
}

.toc-nav a {
  display: block;
  padding: var(--space-xs) var(--space-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
  font-size: var(--font-size-xs);
  font-weight: 500;
  position: relative;
  letter-spacing: -0.01em;
}

.toc-nav a:hover {
  color: var(--color-primary);
  background-color: var(--color-background-tertiary);
  transform: translateX(4px);
}

.toc-nav a.active {
  color: var(--color-primary);
  background-color: var(--color-background-tertiary);
  font-weight: 600;
}

.toc-nav a:hover::before {
  content: '';
  position: absolute;
  left: -2px;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--color-primary);
  border-radius: 2px;
}

/* Special styling for different widget types */
.widget-content ul {
  list-style: none;
  padding: 0;
}

.widget-content li {
  border-bottom: 1px solid var(--color-border-light);
  padding: var(--space-sm) 0;
}

.widget-content li:last-child {
  border-bottom: none;
}

.widget-content a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.widget-content a:hover {
  background-color: var(--color-background-tertiary);
  transform: translateX(2px);
}

/* Widget Styling */
.widget, #column > div {
  background-color: var(--color-background);
  border-radius: var(--border-radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
}

.widget h4, #column h4 {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-border-light);
}

.widget p, #column p,
.widget div, #column div {
  margin: var(--space-sm) 0;
  font-size: var(--font-size-sm);
}

.widget a, #column a {
  color: var(--color-primary);
  font-weight: 500;
  font-size: var(--font-size-sm);
  transition: color var(--transition-fast);
}

.widget a:hover, #column a:hover {
  color: var(--color-primary-hover);
  text-decoration: underline;
}

/* Widget Lists */
.widget ul, #column ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.widget li, #column li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border-light);
}

.widget li:last-child, #column li:last-child {
  border-bottom: none;
}

.widget li a, #column li a {
  display: block;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.widget li a:hover, #column li a:hover {
  background-color: var(--color-background-tertiary);
  text-decoration: none;
}

/* Widget Forms */
.widget fieldset, #column fieldset {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
  padding: var(--space-md);
  margin: var(--space-sm) 0;
}

.widget legend, #column legend {
  font-size: var(--font-size-sm);
  font-weight: 600;
  padding: 0 var(--space-sm);
  color: var(--color-text);
}

.widget input, #column input,
.widget textarea, #column textarea,
.widget select, #column select {
  font-size: var(--font-size-sm);
  padding: var(--space-sm);
  margin-bottom: var(--space-sm);
}

/* Search Widget Specific */
#widget-searchbox {
  text-align: center;
}

#widget-searchbox input[type="text"] {
  width: 100%;
  margin-bottom: var(--space-sm);
}

#widget-searchbox input[type="submit"] {
  width: 100%;
  background-color: var(--color-primary);
  color: white;
  border: none;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--border-radius-md);
  cursor: pointer;
  font-weight: 500;
  transition: background-color var(--transition-fast);
}

#widget-searchbox input[type="submit"]:hover {
  background-color: var(--color-primary-hover);
}

/* Archive/Category Lists */
.widget-archive ul, .widget-categories ul {
  display: grid;
  gap: var(--space-xs);
}

.widget-archive li, .widget-categories li {
  background-color: var(--color-background-tertiary);
  border-radius: var(--border-radius-sm);
  border: none;
  padding: 0;
}

.widget-archive li a, .widget-categories li a {
  padding: var(--space-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Recent Posts Widget */
.widget-recent-posts li {
  padding: var(--space-md) 0;
}

.widget-recent-posts li:first-child {
  padding-top: 0;
}

.widget-recent-posts .post-date {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  display: block;
  margin-top: var(--space-xs);
}

/* Tag Cloud */
.widget-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  align-items: center;
}

.widget-tag-cloud a {
  padding: var(--space-xs) var(--space-sm);
  background-color: var(--color-background-tertiary);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.widget-tag-cloud a:hover {
  background-color: var(--color-primary);
  color: white;
  transform: translateY(-1px);
}

/* Search Widget Special Styling */
.search-widget .widget-content {
  text-align: center;
}

.search-widget input[type="text"] {
  width: 100%;
  margin-bottom: var(--space-sm);
  padding: var(--space-md);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
  transition: border-color var(--transition-fast);
}

.search-widget input[type="text"]:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.search-widget input[type="submit"] {
  width: 100%;
  background: var(--color-primary);
  color: white;
  border: none;
  padding: var(--space-md);
  border-radius: var(--border-radius-md);
  font-weight: 500;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.search-widget input[type="submit"]:hover {
  background: var(--color-primary-hover);
}

/* Mobile Responsiveness */
@media (max-width: 767px) {
  .modern-sidebar {
    margin-top: var(--space-xl);
  }
  
  .modern-widget, #column > div {
    padding: var(--space-md);
  }
  
  .widget-title, #column h4 {
    font-size: var(--font-size-base);
  }
  
  .sidebar-sticky {
    position: static;
  }
}

/* Legacy column support */
#column {
  /* This maintains compatibility with existing widget structure */
}