/* ==========================================================================
   Contao 5.3 CSS Template mit Custom Properties
   Basis-Stylesheet für Contao CMS 5.3
   ========================================================================== */

/* CSS Custom Properties (Variablen)
   ========================================================================== */

:root {
  /* Farben */
  --color-primary: #333;
  --color-primary-dark: #555;
  --color-secondary: #666;
  --color-accent: #0066cc;
  --color-accent-hover: #0052a3;

  --color-text: #333;
  --color-text-light: #666;
  --color-link: #0066cc;
  --color-link-hover: #0052a3;

  --color-background: #ffffff;
  --color-background-light: #f9f9f9;
  --color-background-gray: #f5f5f5;
  --color-background-dark: #e8e8e8;

  --color-border: #ddd;
  --color-border-light: #eee;
  --color-error: #c00;
  --color-success: #28a745;

  /* Abstände */
  --spacing-xs: 5px;
  --spacing-sm: 10px;
  --spacing-md: 15px;
  --spacing-lg: 20px;
  --spacing-xl: 30px;
  --spacing-2xl: 40px;

  /* Schriftgrößen */
  --font-size-xs: 0.8em;
  --font-size-sm: 0.9em;
  --font-size-base: 1em;
  --font-size-lg: 1.125em;
  --font-size-xl: 1.25em;
  --font-size-2xl: 1.5em;
  --font-size-3xl: 2em;

  /* Schriftfamilien */
  --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-family-heading: inherit;
  --font-family-mono: "Courier New", Courier, monospace;

  /* Schriftstärke */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-bold: 700;

  /* Zeilenhöhe */
  --line-height-tight: 1.2;
  --line-height-base: 1.5;
  --line-height-relaxed: 1.75;

  /* Breiten */
  --max-width-container: 1200px;
  --width-sidebar: 250px;

  /* Border Radius */
  --border-radius-sm: 4px;
  --border-radius-md: 6px;
  --border-radius-lg: 8px;

  /* Schatten */
  --box-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --box-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --box-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);

  /* Übergänge */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Z-Index */
  --z-index-dropdown: 1000;
  --z-index-sticky: 1020;
  --z-index-fixed: 1030;
  --z-index-modal: 1050;
  --z-index-tooltip: 1070;
}

/* Basis-Styles
   ========================================================================== */

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-background);
}

/* Headlines */
h1 {
  font-size: var(--font-size-3xl);
}

/* Layout & Grid
   ========================================================================== */

#wrapper {
  max-width: var(--max-width-container);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

#header {
  padding: var(--spacing-lg) 0;
}

#container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  margin: var(--spacing-lg) 0;
}

#main {
  flex: 1;
  min-width: 0;
}

#left {
  width: var(--width-sidebar);
  flex-shrink: 0;
}

#right {
  width: var(--width-sidebar);
  flex-shrink: 0;
}

#footer {
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-2xl);
  border-top: 1px solid var(--color-border);
}

/* Navigation
   ========================================================================== */

#mainnav ul,
.mod_customnav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
}

#mainnav li,
.mod_customnav li {
  position: relative;
}

#mainnav a,
.mod_customnav a {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  color: var(--color-text);
  transition: background-color var(--transition-base);
}

#mainnav a:hover,
.mod_customnav a:hover {
  background-color: var(--color-background-gray);
}

#mainnav .active,
.mod_customnav .active {
  font-weight: var(--font-weight-bold);
  background-color: var(--color-background-dark);
  padding: var(--spacing-sm) var(--spacing-md);
}

#mainnav .trail,
.mod_customnav .trail {
  background-color: var(--color-background-light);
}

/* Untermenü-Ebenen */
#mainnav .level_2,
.mod_customnav .level_2 {
  padding-left: var(--spacing-lg);
}

#mainnav .level_3,
.mod_customnav .level_3 {
  padding-left: var(--spacing-2xl);
}

/* Breadcrumb Navigation */
.mod_breadcrumb {
  padding: var(--spacing-sm) 0;
  font-size: var(--font-size-sm);
}

.mod_breadcrumb ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mod_breadcrumb li {
  display: inline;
}

.mod_breadcrumb li::after {
  content: " / ";
  padding: 0 var(--spacing-xs);
}

.mod_breadcrumb li:last-child::after {
  content: "";
}

/* Content-Elemente
   ========================================================================== */

.content-text,
.content-html,
.content-markdown {
  margin-bottom: var(--spacing-lg);
}

.content-headline {
  margin-bottom: var(--spacing-md);
}

.content-image,
.content-gallery {
  margin-bottom: var(--spacing-lg);
}

.content-image figure,
.content-gallery figure {
  margin: 0;
}

.content-image img,
.content-gallery img {
  max-width: 100%;
  height: auto;
  display: block;
}

.content-image figcaption,
.content-gallery figcaption {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-top: var(--spacing-xs);
  font-style: italic;
}

/* Bildausrichtung */
.content-image.float_left {
  float: left;
  margin: 0 var(--spacing-lg) var(--spacing-lg) 0;
}

.content-image.float_right {
  float: right;
  margin: 0 0 var(--spacing-lg) var(--spacing-lg);
}

/* Liste */
.content-list ul,
.content-list ol {
  margin-bottom: var(--spacing-lg);
  padding-left: 25px;
}

.content-list li {
  margin-bottom: 8px;
}

/* Tabelle */
.content-table {
  margin-bottom: var(--spacing-lg);
  overflow-x: auto;
}

.content-table table {
  width: 100%;
  border-collapse: collapse;
}

.content-table th,
.content-table td {
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  text-align: left;
}

.content-table th {
  background-color: var(--color-background-gray);
  font-weight: var(--font-weight-bold);
}

.content-table tr:nth-child(even) {
  background-color: var(--color-background-light);
}

/* Accordion */
.ce_accordionStart {
  margin-bottom: var(--spacing-lg);
}

.accordion {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
}

.accordion .toggler {
  padding: var(--spacing-md);
  background-color: var(--color-background-gray);
  cursor: pointer;
  border-bottom: 1px solid var(--color-border);
  transition: background-color var(--transition-base);
}

.accordion .toggler:hover {
  background-color: var(--color-background-dark);
}

.accordion .accordion-content {
  padding: var(--spacing-md);
  display: none;
}

.accordion .accordion-content.active {
  display: block;
}

/* Slider */
.ce_sliderStart {
  position: relative;
  margin-bottom: var(--spacing-lg);
}

.content-slider {
  overflow: hidden;
  border-radius: var(--border-radius-md);
}

.slider-wrapper {
  display: flex;
  transition: transform var(--transition-base);
}

.slider-control {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0, 0, 0, 0.5);
  color: var(--color-background);
  border: none;
  padding: var(--spacing-md);
  cursor: pointer;
  z-index: var(--z-index-dropdown);
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-base);
}

.slider-control:hover {
  background: rgba(0, 0, 0, 0.7);
}

.slider-control.prev {
  left: var(--spacing-sm);
}

.slider-control.next {
  right: var(--spacing-sm);
}

/* Downloads */
.content-download,
.content-downloads {
  margin-bottom: var(--spacing-lg);
}

.content-download a,
.content-downloads a {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-background-gray);
  text-decoration: none;
  color: var(--color-text);
  border-radius: var(--border-radius-sm);
  transition: background-color var(--transition-base);
}

.content-download a:hover,
.content-downloads a:hover {
  background-color: var(--color-background-dark);
}

.content-downloads ul {
  list-style: none;
  padding: 0;
}

.content-downloads li {
  margin-bottom: var(--spacing-sm);
}

/* Formulare
   ========================================================================== */

.content-form,
.mod_form {
  margin-bottom: var(--spacing-lg);
}

.widget {
  margin-bottom: var(--spacing-lg);
}

.widget label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: var(--font-weight-medium);
}

.widget input[type="text"],
.widget input[type="email"],
.widget input[type="tel"],
.widget input[type="password"],
.widget input[type="number"],
.widget input[type="date"],
.widget textarea,
.widget select {
  width: 100%;
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  box-sizing: border-box;
  transition: border-color var(--transition-fast);
}

.widget input:focus,
.widget textarea:focus,
.widget select:focus {
  outline: none;
  border-color: var(--color-accent);
}

.widget textarea {
  min-height: 120px;
  resize: vertical;
}

.widget input[type="checkbox"],
.widget input[type="radio"] {
  margin-right: 8px;
}

.widget .checkbox_container,
.widget .radio_container {
  margin-bottom: 8px;
}

.widget .mandatory {
  color: var(--color-error);
}

.widget .error {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-xs);
}

.widget.error input,
.widget.error textarea,
.widget.error select {
  border-color: var(--color-error);
}

.submit_container {
  margin-top: var(--spacing-lg);
}

button[type="submit"],
input[type="submit"] {
  padding: 12px 25px;
  background-color: var(--color-primary);
  color: var(--color-background);
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  transition: background-color var(--transition-base);
}

button[type="submit"]:hover,
input[type="submit"]:hover {
  background-color: var(--color-primary-dark);
}

/* News & Events Module
   ========================================================================== */

.mod_newslist,
.mod_eventlist {
  margin-bottom: var(--spacing-xl);
}

.layout_latest,
.layout_simple {
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-light);
}

.layout_latest:last-child,
.layout_simple:last-child {
  border-bottom: none;
}

.layout_latest h3,
.layout_simple h3 {
  margin-top: 0;
}

.layout_latest .info,
.layout_simple .info {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
}

.layout_latest .more,
.layout_simple .more {
  margin-top: var(--spacing-sm);
}

.layout_full {
  margin-bottom: var(--spacing-xl);
}

.layout_full .info {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

/* News/Event Archive Menü */
.mod_newsmenu ul,
.mod_eventmenu ul {
  list-style: none;
  padding: 0;
}

.mod_newsmenu li,
.mod_eventmenu li {
  margin-bottom: 8px;
}

.mod_newsmenu a,
.mod_eventmenu a {
  text-decoration: none;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.mod_newsmenu a:hover,
.mod_eventmenu a:hover {
  color: var(--color-link-hover);
}

.mod_newsmenu .active,
.mod_eventmenu .active {
  font-weight: var(--font-weight-bold);
  color: var(--color-accent);
}

/* Pagination
   ========================================================================== */

.pagination {
  margin: var(--spacing-xl) 0;
  text-align: center;
}

.pagination ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: inline-flex;
  gap: var(--spacing-xs);
}

.pagination li {
  display: inline-block;
}

.pagination a,
.pagination span {
  display: block;
  padding: 8px 12px;
  border: 1px solid var(--color-border);
  text-decoration: none;
  color: var(--color-text);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
}

.pagination .active {
  background-color: var(--color-primary);
  color: var(--color-background);
  border-color: var(--color-primary);
}

.pagination a:hover {
  background-color: var(--color-background-gray);
}

/* Suche
   ========================================================================== */

.mod_search {
  margin-bottom: var(--spacing-lg);
}

.mod_search .formbody {
  display: flex;
  gap: var(--spacing-sm);
}

.mod_search input[type="text"] {
  flex: 1;
  padding: var(--spacing-sm);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-base);
}

.mod_search button {
  padding: var(--spacing-sm) var(--spacing-lg);
  background-color: var(--color-primary);
  color: var(--color-background);
  border: none;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-base);
}

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

/* Login-Modul
   ========================================================================== */

.mod_login {
  max-width: 400px;
}

.mod_login .widget {
  margin-bottom: var(--spacing-md);
}

.mod_login .login-info {
  margin-top: var(--spacing-md);
  padding: var(--spacing-sm);
  background-color: var(--color-background-gray);
  border-radius: var(--border-radius-sm);
}

/* Kommentare
   ========================================================================== */

.content-comments {
  margin-bottom: var(--spacing-xl);
}

.comment {
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  background-color: var(--color-background-light);
  border-left: 3px solid var(--color-border);
  border-radius: var(--border-radius-sm);
}

.comment .info {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-sm);
}

.comment .reply {
  margin-left: var(--spacing-xl);
  border-left-color: var(--color-secondary);
}

/* Sitemap
   ========================================================================== */

.mod_sitemap ul {
  list-style: none;
  padding-left: 0;
}

.mod_sitemap .level_2 {
  padding-left: var(--spacing-lg);
}

.mod_sitemap .level_3 {
  padding-left: var(--spacing-2xl);
}

.mod_sitemap a {
  text-decoration: none;
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.mod_sitemap a:hover {
  color: var(--color-link-hover);
  text-decoration: underline;
}

/* Helper Classes
   ========================================================================== */

.float_left {
  float: left;
  margin: 0 var(--spacing-lg) var(--spacing-lg) 0;
}

.float_right {
  float: right;
  margin: 0 0 var(--spacing-lg) var(--spacing-lg);
}

.clear {
  clear: both;
}

.invisible {
  border: 0;
  clip: rect(0 0 0 0);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
}

/* Responsive
   ========================================================================== */

@media (max-width: 992px) {
  #container {
    flex-direction: column;
  }

  #left,
  #right {
    width: 100%;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-lg: 15px;
    --spacing-xl: 20px;
    --spacing-2xl: 30px;
  }

  #wrapper {
    padding: 0 var(--spacing-md);
  }

  .content-image.float_left,
  .content-image.float_right {
    float: none;
    margin: 0 0 var(--spacing-lg) 0;
  }

  .content-table {
    font-size: var(--font-size-sm);
  }

  .pagination ul {
    flex-wrap: wrap;
  }
}

@media (max-width: 576px) {
  #mainnav a,
  .mod_customnav a {
    padding: 8px var(--spacing-sm);
  }

  button[type="submit"],
  input[type="submit"] {
    width: 100%;
  }

  .mod_search .formbody {
    flex-direction: column;
  }
}

/* Dark Mode Support (optional)
   ========================================================================== */

@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #f5f5f5;
    --color-primary-dark: #e8e8e8;
    --color-text: #e0e0e0;
    --color-text-light: #a0a0a0;
    --color-background: #1a1a1a;
    --color-background-light: #2a2a2a;
    --color-background-gray: #333;
    --color-background-dark: #404040;
    --color-border: #444;
    --color-border-light: #333;
  }
}