/*
 * Bounty Cortez – Basis-CSS (ersetzt Bootstrap 5).
 *
 * Enthält nur, was die Seite wirklich nutzt: Grundlayout, Raster (container/row/col-*), Navigation,
 * Karten, Buttons, Hinweise, Karussell und Hilfsklassen. Klassennamen und Maße entsprechen Bootstrap 5.3,
 * damit das HTML unverändert bleibt und die Optik gleich aussieht.
 * Danach werden custom.css und die seitenbezogenen Styles geladen.
 */

/* ---------- Farben & Grundwerte ---------- */
:root {
  --c-primary: #0d6efd;
  --c-primary-hover: #0b5ed7;
  --c-primary-active: #0a58ca;
  --c-secondary: #6c757d;
  --c-success: #198754;
  --c-warning: #ffc107;
  --c-danger: #dc3545;
  --c-light: #f8f9fa;
  --c-dark: #212529;
  --c-white: #fff;

  --c-text: #212529;
  --c-text-muted: rgba(33, 37, 41, 0.75);
  --c-bg: #fff;
  --c-border: #dee2e6;
  --c-border-translucent: rgba(0, 0, 0, 0.175);
  --c-link: #0d6efd;
  --c-link-hover: #0a58ca;

  --font-system: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", "Liberation Sans", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";

  --radius: 0.375rem;
  --radius-sm: 0.25rem;
  --radius-lg: 0.5rem;
  --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
  --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
  --focus-ring: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
  --gutter-x: 1.5rem;
}

/* ---------- Reset / Grundlayout ---------- */
*, *::before, *::after { box-sizing: border-box; }

@media (prefers-reduced-motion: no-preference) {
  :root { scroll-behavior: smooth; }
}

body {
  margin: 0;
  font-family: var(--font-system);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--c-text);
  background-color: var(--c-bg);
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

hr { margin: 1rem 0; color: inherit; border: 0; border-top: 1px solid; opacity: 0.25; }

h1, h2, h3, h4, h5, .h1, .h2, .h3, .h4, .h5 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-weight: 500;
  line-height: 1.2;
}
/* min(): fließend wie Bootstraps RFS, ab 1200px fest */
h1, .h1 { font-size: min(calc(1.375rem + 1.5vw), 2.5rem); }
h2, .h2 { font-size: min(calc(1.325rem + 0.9vw), 2rem); }
h3, .h3 { font-size: min(calc(1.3rem + 0.6vw), 1.75rem); }
h4, .h4 { font-size: min(calc(1.275rem + 0.3vw), 1.5rem); }
h5, .h5 { font-size: 1.25rem; }

p { margin-top: 0; margin-bottom: 1rem; }
ul, ol { padding-left: 2rem; margin-top: 0; margin-bottom: 1rem; }
ul ul { margin-bottom: 0; }
strong, b { font-weight: bolder; }
small, .small { font-size: 0.875em; }
kbd {
  padding: 0.1875rem 0.375rem;
  font-family: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.875em;
  color: var(--c-bg);
  background-color: var(--c-text);
  border-radius: 0.25rem;
}

a { color: var(--c-link); text-decoration: underline; }
a:hover { color: var(--c-link-hover); }
a:not([href]):not([class]), a:not([href]):not([class]):hover { color: inherit; text-decoration: none; }

img, svg { vertical-align: middle; }
label { display: inline-block; }

button { border-radius: 0; text-transform: none; }
button:focus:not(:focus-visible) { outline: 0; }
input, button, select, textarea { margin: 0; font-family: inherit; font-size: inherit; line-height: inherit; }
button, [type=button], [type=submit] { -webkit-appearance: button; }
button:not(:disabled), [type=button]:not(:disabled), [type=submit]:not(:disabled), [role=button] { cursor: pointer; }
[hidden] { display: none !important; }

/* ---------- Typografie-Klassen ---------- */
.lead { font-size: 1.25rem; font-weight: 300; }
.display-3, .display-4, .display-5 { font-weight: 300; line-height: 1.2; }
.display-3 { font-size: min(calc(1.525rem + 3.3vw), 4rem); }
.display-4 { font-size: min(calc(1.475rem + 2.7vw), 3.5rem); }
.display-5 { font-size: min(calc(1.425rem + 2.1vw), 3rem); }
.img-fluid { max-width: 100%; height: auto; }

/* ---------- Raster ---------- */
.container, .container-fluid {
  width: 100%;
  padding-right: calc(var(--gutter-x) * 0.5);
  padding-left: calc(var(--gutter-x) * 0.5);
  margin-right: auto;
  margin-left: auto;
}
@media (min-width: 576px)  { .container { max-width: 540px; } }
@media (min-width: 768px)  { .container { max-width: 720px; } }
@media (min-width: 992px)  { .container { max-width: 960px; } }
@media (min-width: 1200px) { .container { max-width: 1140px; } }
@media (min-width: 1400px) { .container { max-width: 1320px; } }

.row {
  --gutter-x: 1.5rem;
  --gutter-y: 0;
  display: flex;
  flex-wrap: wrap;
  margin-top: calc(-1 * var(--gutter-y));
  margin-right: calc(-0.5 * var(--gutter-x));
  margin-left: calc(-0.5 * var(--gutter-x));
}
.row > * {
  flex-shrink: 0;
  width: 100%;
  max-width: 100%;
  padding-right: calc(var(--gutter-x) * 0.5);
  padding-left: calc(var(--gutter-x) * 0.5);
  margin-top: var(--gutter-y);
}
.g-4 { --gutter-x: 1.5rem; --gutter-y: 1.5rem; }

.col   { flex: 1 0 0%; }
.col-2 { flex: 0 0 auto; width: 16.66666667%; }
.col-8 { flex: 0 0 auto; width: 66.66666667%; }
@media (min-width: 768px) {
  .col-md-5 { flex: 0 0 auto; width: 41.66666667%; }
  .col-md-6 { flex: 0 0 auto; width: 50%; }
  .col-md-7 { flex: 0 0 auto; width: 58.33333333%; }
}
@media (min-width: 992px) {
  .col-lg-4  { flex: 0 0 auto; width: 33.33333333%; }
  .col-lg-6  { flex: 0 0 auto; width: 50%; }
  .col-lg-8  { flex: 0 0 auto; width: 66.66666667%; }
  .col-lg-10 { flex: 0 0 auto; width: 83.33333333%; }
}

/* ---------- Formulare (Galerie-Login) ---------- */
.form-label { margin-bottom: 0.5rem; }
.form-control {
  display: block;
  width: 100%;
  padding: 0.375rem 0.75rem;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--c-text);
  appearance: none;
  background-color: var(--c-bg);
  background-clip: padding-box;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}
.form-control:focus { border-color: #86b7fe; outline: 0; box-shadow: var(--focus-ring); }
.form-control::placeholder { color: var(--c-text-muted); opacity: 1; }

/* ---------- Buttons ---------- */
.btn {
  --btn-color: var(--c-text);
  --btn-bg: transparent;
  --btn-border: transparent;
  --btn-hover-color: var(--btn-color);
  --btn-hover-bg: var(--btn-bg);
  --btn-hover-border: var(--btn-border);
  --btn-focus-rgb: 13, 110, 253;
  --btn-pad-y: 0.375rem;
  --btn-pad-x: 0.75rem;
  --btn-font-size: 1rem;
  --btn-radius: var(--radius);
  display: inline-block;
  padding: var(--btn-pad-y) var(--btn-pad-x);
  font-size: var(--btn-font-size);
  font-weight: 400;
  line-height: 1.5;
  color: var(--btn-color);
  text-align: center;
  text-decoration: none;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  background-color: var(--btn-bg);
  border: 1px solid var(--btn-border);
  border-radius: var(--btn-radius);
  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}
.btn:hover, .btn:focus-visible, .btn:active, .btn.active {
  color: var(--btn-hover-color);
  background-color: var(--btn-hover-bg);
  border-color: var(--btn-hover-border);
}
.btn:focus-visible { outline: 0; box-shadow: 0 0 0 0.25rem rgba(var(--btn-focus-rgb), 0.5); }
.btn:disabled { pointer-events: none; opacity: 0.65; }

.btn-primary { --btn-color: #fff; --btn-bg: #0d6efd; --btn-border: #0d6efd; --btn-hover-bg: #0b5ed7; --btn-hover-border: #0a58ca; --btn-focus-rgb: 49, 132, 253; }
.btn-success { --btn-color: #fff; --btn-bg: #198754; --btn-border: #198754; --btn-hover-bg: #157347; --btn-hover-border: #146c43; --btn-focus-rgb: 60, 153, 110; }
.btn-warning { --btn-color: #000; --btn-bg: #ffc107; --btn-border: #ffc107; --btn-hover-bg: #ffca2c; --btn-hover-border: #ffc720; --btn-focus-rgb: 217, 164, 6; }
.btn-danger  { --btn-color: #fff; --btn-bg: #dc3545; --btn-border: #dc3545; --btn-hover-bg: #bb2d3b; --btn-hover-border: #b02a37; --btn-focus-rgb: 225, 83, 97; }
.btn-dark    { --btn-color: #fff; --btn-bg: #212529; --btn-border: #212529; --btn-hover-bg: #424649; --btn-hover-border: #373b3e; --btn-focus-rgb: 66, 70, 73; }
.btn-outline-primary   { --btn-color: #0d6efd; --btn-border: #0d6efd; --btn-hover-color: #fff; --btn-hover-bg: #0d6efd; --btn-hover-border: #0d6efd; --btn-focus-rgb: 13, 110, 253; }
.btn-outline-secondary { --btn-color: #6c757d; --btn-border: #6c757d; --btn-hover-color: #fff; --btn-hover-bg: #6c757d; --btn-hover-border: #6c757d; --btn-focus-rgb: 108, 117, 125; }
.btn-outline-light     { --btn-color: #f8f9fa; --btn-border: #f8f9fa; --btn-hover-color: #000; --btn-hover-bg: #f8f9fa; --btn-hover-border: #f8f9fa; --btn-focus-rgb: 248, 249, 250; }

.btn-lg { --btn-pad-y: 0.5rem; --btn-pad-x: 1rem; --btn-font-size: 1.25rem; --btn-radius: var(--radius-lg); }
.btn-sm { --btn-pad-y: 0.25rem; --btn-pad-x: 0.5rem; --btn-font-size: 0.875rem; --btn-radius: var(--radius-sm); }

.btn-group { position: relative; display: inline-flex; vertical-align: middle; border-radius: var(--radius); }
.btn-group > .btn { position: relative; flex: 1 1 auto; }
.btn-group > .btn:hover, .btn-group > .btn:focus, .btn-group > .btn:active, .btn-group > .btn.active { z-index: 1; }
.btn-group > .btn + .btn { margin-left: -1px; }
.btn-group > .btn:not(:last-child) { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.btn-group > .btn:not(:first-child) { border-top-left-radius: 0; border-bottom-left-radius: 0; }

/* ---------- Navigation ---------- */
.navbar {
  --nav-color: rgba(0, 0, 0, 0.65);
  --nav-hover-color: rgba(0, 0, 0, 0.8);
  --nav-active-color: #000;
  --nav-brand-color: #000;
  --nav-toggler-border: rgba(0, 0, 0, 0.15);
  --nav-toggler-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2833, 37, 41, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 0;
}
.navbar-dark {
  --nav-color: rgba(255, 255, 255, 0.55);
  --nav-hover-color: rgba(255, 255, 255, 0.75);
  --nav-active-color: #fff;
  --nav-brand-color: #fff;
  --nav-toggler-border: rgba(255, 255, 255, 0.1);
  --nav-toggler-icon: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.55%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
.navbar > .container, .navbar > .container-fluid {
  display: flex;
  flex-wrap: inherit;
  align-items: center;
  justify-content: space-between;
}
.navbar-brand {
  padding-top: 0.3125rem;
  padding-bottom: 0.3125rem;
  margin-right: 1rem;
  font-size: 1.25rem;
  color: var(--nav-brand-color);
  text-decoration: none;
  white-space: nowrap;
}
.navbar-brand:hover, .navbar-brand:focus { color: var(--nav-brand-color); }
.navbar-nav {
  display: flex;
  flex-direction: column;
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
}
.nav-link {
  display: block;
  padding: 0.5rem 0;
  color: var(--nav-color);
  text-decoration: none;
  background: none;
  border: 0;
  transition: color 0.15s ease-in-out;
}
.nav-link:hover, .nav-link:focus { color: var(--nav-hover-color); }
.nav-link:focus-visible { outline: 0; box-shadow: var(--focus-ring); }
.navbar-nav .nav-link.active { color: var(--nav-active-color); }
.navbar-collapse { flex-basis: 100%; flex-grow: 1; align-items: center; }
.navbar-toggler {
  padding: 0.25rem 0.75rem;
  font-size: 1.25rem;
  line-height: 1;
  color: var(--nav-color);
  background-color: transparent;
  border: 1px solid var(--nav-toggler-border);
  border-radius: var(--radius);
  transition: box-shadow 0.15s ease-in-out;
}
.navbar-toggler:focus { outline: 0; box-shadow: 0 0 0 0.25rem; }
.navbar-toggler-icon {
  display: inline-block;
  width: 1.5em;
  height: 1.5em;
  vertical-align: middle;
  background: var(--nav-toggler-icon) center / 100% no-repeat;
}
.collapse:not(.show) { display: none; }
.collapsing { height: 0; overflow: hidden; transition: height 0.35s ease; }

@media (min-width: 992px) {
  .navbar-expand-lg { flex-wrap: nowrap; justify-content: flex-start; }
  .navbar-expand-lg .navbar-nav { flex-direction: row; }
  .navbar-expand-lg .navbar-nav .nav-link { padding-right: 0.5rem; padding-left: 0.5rem; }
  .navbar-expand-lg .navbar-collapse { display: flex !important; flex-basis: auto; height: auto !important; overflow: visible; }
  .navbar-expand-lg .navbar-toggler { display: none; }
}

/* ---------- Karten, Badges, Hinweise ---------- */
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  color: var(--c-text);
  word-wrap: break-word;
  background-color: var(--c-bg);
  background-clip: border-box;
  border: 1px solid var(--c-border-translucent);
  border-radius: var(--radius);
}
.card > hr { margin-right: 0; margin-left: 0; }
.card-body { flex: 1 1 auto; padding: 1rem; }
.card-title { margin-bottom: 0.5rem; }
.card-text:last-child { margin-bottom: 0; }

.badge {
  display: inline-block;
  padding: 0.35em 0.65em;
  font-size: 0.75em;
  font-weight: 700;
  line-height: 1;
  color: #fff;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: var(--radius);
}
.badge:empty { display: none; }

.alert { position: relative; padding: 1rem; margin-bottom: 1rem; border: 1px solid transparent; border-radius: var(--radius); }
.alert-info   { color: #055160; background-color: #cff4fc; border-color: #9eeaf9; }
.alert-danger { color: #58151c; background-color: #f8d7da; border-color: #f1aeb5; }

/* ---------- Karussell (Überblenden; Steuerung in assets/js/site.js) ---------- */
.carousel { position: relative; }
.carousel-inner { position: relative; display: grid; width: 100%; overflow: hidden; }
.carousel-item {
  grid-area: 1 / 1;
  position: relative;
  width: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s ease-in-out, visibility 0s linear 0.6s;
}
.carousel-item.active { z-index: 1; opacity: 1; visibility: visible; transition: opacity 0.6s ease-in-out; }

.carousel-control-prev, .carousel-control-next {
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 15%;
  padding: 0;
  color: #fff;
  text-align: center;
  background: none;
  border: 0;
  opacity: 0.5;
  transition: opacity 0.15s ease;
}
.carousel-control-prev:hover, .carousel-control-prev:focus,
.carousel-control-next:hover, .carousel-control-next:focus { color: #fff; outline: 0; opacity: 0.9; }
.carousel-control-prev { left: 0; }
.carousel-control-next { right: 0; }
.carousel-control-prev-icon, .carousel-control-next-icon {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  background: center / 100% 100% no-repeat;
}
.carousel-control-prev-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23fff'%3e%3cpath d='M11.354 1.646a.5.5 0 0 1 0 .708L5.707 8l5.647 5.646a.5.5 0 0 1-.708.708l-6-6a.5.5 0 0 1 0-.708l6-6a.5.5 0 0 1 .708 0z'/%3e%3c/svg%3e"); }
.carousel-control-next-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23fff'%3e%3cpath d='M4.646 1.646a.5.5 0 0 1 .708 0l6 6a.5.5 0 0 1 0 .708l-6 6a.5.5 0 0 1-.708-.708L10.293 8 4.646 2.354a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e"); }

.carousel-indicators {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 3;
  display: flex;
  justify-content: center;
  padding: 0;
  margin: 0 15% 1rem;
}
.carousel-indicators [data-bs-target] {
  box-sizing: content-box;
  flex: 0 1 auto;
  width: 30px;
  height: 3px;
  padding: 0;
  margin: 0 3px;
  text-indent: -999px;
  cursor: pointer;
  background-color: #fff;
  background-clip: padding-box;
  border: 0;
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
  opacity: 0.5;
  transition: opacity 0.6s ease;
}
.carousel-indicators .active { opacity: 1; }
.carousel-caption {
  position: absolute;
  right: 15%;
  bottom: 1.25rem;
  left: 15%;
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
  color: #fff;
  text-align: center;
}

@media (prefers-reduced-motion: reduce) {
  .btn, .nav-link, .form-control, .collapsing, .carousel-item, .carousel-item.active,
  .carousel-control-prev, .carousel-control-next, .carousel-indicators [data-bs-target] { transition: none; }
}

/* ---------- Hilfsklassen (wie Bootstrap mit !important) ---------- */
.fixed-top { position: fixed; top: 0; right: 0; left: 0; z-index: 1030; }
.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.d-block { display: block !important; }
.d-flex { display: flex !important; }
.flex-column { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.justify-content-center { justify-content: center !important; }
.align-items-center { align-items: center !important; }
.gap-3 { gap: 1rem !important; }
.w-100 { width: 100% !important; }
.h-100 { height: 100% !important; }

.shadow { box-shadow: var(--shadow) !important; }
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.border-top { border-top: 1px solid var(--c-border) !important; }
.rounded { border-radius: var(--radius) !important; }
.rounded-circle { border-radius: 50% !important; }

.mx-auto { margin-right: auto !important; margin-left: auto !important; }
.my-3 { margin-top: 1rem !important; margin-bottom: 1rem !important; }
.my-5 { margin-top: 3rem !important; margin-bottom: 3rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.mt-5 { margin-top: 3rem !important; }
.mt-auto { margin-top: auto !important; }
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }
.me-2 { margin-right: 0.5rem !important; }
.me-3 { margin-right: 1rem !important; }
.ms-2 { margin-left: 0.5rem !important; }
.ms-3 { margin-left: 1rem !important; }
.ms-auto { margin-left: auto !important; }
.py-4 { padding-top: 1.5rem !important; padding-bottom: 1.5rem !important; }
.py-5 { padding-top: 3rem !important; padding-bottom: 3rem !important; }
.pt-4 { padding-top: 1.5rem !important; }

.fw-bold { font-weight: 700 !important; }
.text-center { text-align: center !important; }
.text-decoration-none { text-decoration: none !important; }
.text-success { color: var(--c-success) !important; }
.text-warning { color: var(--c-warning) !important; }
.text-danger { color: var(--c-danger) !important; }
.text-dark { color: var(--c-dark) !important; }
.text-white { color: var(--c-white) !important; }
.text-muted { color: var(--c-text-muted) !important; }
.bg-warning { background-color: var(--c-warning) !important; }
.bg-danger { background-color: var(--c-danger) !important; }
.bg-light { background-color: var(--c-light) !important; }
.bg-dark { background-color: var(--c-dark) !important; }

@media (min-width: 768px) {
  .order-md-1 { order: 1 !important; }
  .order-md-2 { order: 2 !important; }
  .mb-md-0 { margin-bottom: 0 !important; }
  .text-md-start { text-align: left !important; }
  .text-md-end { text-align: right !important; }
}

/* ---------- Fußzeile: Versionszeile (assets/js/layout.js) ---------- */
.site-version, .site-version a, a.site-version { color: #999; font-size: 0.7rem; }
small.site-version { display: inline-block; margin-top: 5px; }