/* STYLE FROM MODULES */

:root {
  --bcg-col: white;
  --text-color: #2d3142;
  --lecture-bcg: #ebebeb;
  --btn-hover: #c47a5a;
  --btn: #C2C9D6;
  --lecture-hover: #dadfe7;
  --tags: #c1cbd7;
  --accent-green: #85bf8e;
  --sidebar-hover: color-mix(in srgb, var(--btn) 30%, transparent);

  /* radius scales */
  --r-sm: .4rem;
  --r-md: .6rem;
  --r-lg: 1rem;
  --r-pill: 999px;

  /* semantic alias */
  --r-card: var(--r-lg);
  --r-input: var(--r-card);
  --r-button: var(--r-lg);

  /* spacing */
  --space-actions: .75rem;

  /* misc */
  --surface-2: var(--lecture-bcg);
  --border-subtle: var(--btn);

  /* typography scale */
  --fs-page-title: clamp(1.5rem, 2vw, 1.8rem);
  --fs-card-title: 1.2rem;
  --fs-body: 1rem;
  --fs-muted: 0.9rem;

  /* Glossary frequency tint */
  --glossary-tint: hsl(145, 50%, 52%);

  /* Glassy surfaces like dashboard plates */
  --surface-glass: color-mix(in srgb, var(--lecture-bcg) 72%, transparent);
  --surface-glass-hover: color-mix(in srgb, var(--lecture-bcg) 88%, transparent);
  --surface-glass-2: color-mix(in srgb, var(--lecture-bcg) 30%, transparent);;

  /* Subtle borders like tiles/cards */
  --border-glass: color-mix(in srgb, var(--btn) 35%, transparent);

  /* Shadows like tiles */
  --shadow-tile: 0 4px 12px rgba(0,0,0,0.05);
  --shadow-tile-soft: 0 3px 8px rgba(0,0,0,0.04);
}

.darkmode {
  --bcg-col: #1f1f1f;
  --text-color: rgb(193, 194, 198);
  --lecture-bcg: #3c3c3f;
  --btn-hover: #a85f47;
  --btn: #34435b;
  --lecture-hover: #555559;
  --tags: #505053;
  --accent-green: #72b07a;

  --surface-2: var(--lecture-bcg);
  --border-subtle: var(--btn);
  --sidebar-hover: rgba(255,255,255,.08);

  --glossary-tint: hsl(145, 35%, 38%);

  --surface-glass: rgba(255,255,255,.06);
  --surface-glass-hover: rgba(255,255,255,.10);
  --surface-glass-2: rgba(255,255,255,.04);
  --border-glass: rgba(255,255,255,.10);

  --shadow-tile: 0 4px 12px rgba(0,0,0,0.20);
  --shadow-tile-soft: 0 3px 8px rgba(0,0,0,0.15);
}


* { box-sizing: border-box; }

html {
  font-family: "Barlow Semi Condensed", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  max-width: 1100px;
  margin-inline: auto;
  padding-inline: clamp(0.75rem, 4vw, 2rem);
  color: var(--text-color);
  background-color: var(--bcg-col);
}

.page-content {
  padding-top: 2rem;
}

.page-content > *:first-child {
  margin-top: 0;
}

body.no-sidebar .page-content {
  padding-top: 0;
}

a {
  color: var(--text-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--btn-hover);
}


/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  right: 0;
  margin: 0;
  padding-inline-start: 0;
  height: 100vh;
  width: 400px;
  max-width: 90vw;
  z-index: 999;

  background-color: var(--lecture-bcg);
  box-shadow: -10px 0 10px rgba(0, 0, 0, 0.1);
  
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  padding: 1.5rem 1rem;
  gap: 0.75rem;
  
  transform: translateX(100%); /* rechts versteckt */
  transition: transform 0.25s ease;
  
  overflow-y: auto;
  min-height: 0;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch; /* optional, gut für iOS */

  height: 100vh;     /* Fallback */
  max-height: 100dvh;    /* wichtig für Mobile */

  padding-bottom: calc(2.5rem + env(safe-area-inset-bottom));
}

.sidebar-top {
  display: inline-flex;
  justify-content: flex-end;
  align-self: flex-end;
  position: sticky;
  top: 0;
  background: transparent;
  padding-bottom: .5rem;
  z-index: 2;
  
}

.sidebar a{
  display: flex;
  align-items: center;
  gap: .85rem;
}

.sidebar a svg{
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  opacity: .85;
}

/* Hover/Focus: guter Kontrast (Light) */
.sidebar a:hover,
.sidebar a:focus-visible{
  background: color-mix(in srgb, var(--btn) 30%, transparent);
  color: var(--bcg-col);
}

/* Hover/Focus (Darkmode überschreibt Light-Regel) */
.darkmode .sidebar a:hover,
.darkmode .sidebar a:focus-visible{
  background-color: var(--sidebar-hover);
  background: rgba(255,255,255,.08);
  color: var(--text-color);
}

/* Active Link bleibt klar sichtbar */
.sidebar a.is-active{
  background-color: color-mix(in srgb, var(--btn) 70%, transparent);
  color: var(--text-color);
  font-weight: 600;
}

/* Active Link im Darkmode: neutraler, besser lesbar */
.darkmode .sidebar a.is-active{
  background-color: rgba(255,255,255,.12);
  color: var(--text-color);
}

.sidebar.open { 
  transform: translateX(0); 
}

.sidebar a { 
  width: 100%;
  display: flex;
  align-items: center;
  gap: .85rem;
  padding: 0.75rem 0.9rem;
  border-radius: var(--r-card);
  color: var(--text-color);
  text-decoration: none;
}

.sidebar-section {
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid color-mix(in srgb, var(--btn) 30%, transparent);
}

.sidebar-title {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0 0 0.3rem 0.5rem;
  color: var(--text-color);
  opacity: 0.8;
}

.sidebar .module-link {
  display: block;
  padding: 0.6rem 0.75rem;  /* ähnlich wie deine normalen Links */
  border-radius: 0.75rem;
  text-decoration: none;
}

.module-list {
  list-style: none;
  margin: 0;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  border-radius: var(--r-card);
}

.module-list li a {
  display: block;
  padding: 0.3rem 0.4rem;
  text-decoration: none;
  color: var(--text-color);
  border-radius: var(--r-sm);
  transition: background-color 0.2s ease;
}


/* Module Active im Darkmode */
.darkmode .module-link.is-active{
  background-color: rgba(255,255,255,.12);
}

.module-link.is-active {
  text-decoration: underline;
  font-weight: 500;
}

body.nav-open { overflow: hidden; }

/* Navbar Search */
.nav-search{
  gap: .5rem;
}


/* Suchformular standardmäßig verstecken */
.nav-search-form{
  display: none;
}

/* Wenn offen → anzeigen */
.nav-search.is-open .nav-search-form{
  display: flex;
}

/* Optional etwas Abstand */
.nav-search{
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* Messages – konsistent in Light/Dark */
.messages { margin: .75rem 0 1.25rem; }

.messages .message {
  display: inline-flex;
  align-items: center;
  gap: .6rem;

  padding: .55rem .9rem;
  border-radius: var(--r-pill);
  background: var(--surface-2);
  border: 1px solid var(--border-subtle);
  color: var(--text-color);
  line-height: 1.2;
}

/* Icon-Badge links (statt Emoji) */
.messages .message::before {
  content: "i";
  display: inline-grid;
  place-items: center;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: var(--r-sm);

  font-weight: 700;
  font-size: .95rem;

  background: var(--btn);
  color: var(--text-color);
}

/* Typen aus Django: info/success/warning/error */
.messages .message.success {
  border-color: color-mix(in srgb, var(--accent-green) 70%, var(--border-subtle));
}
.messages .message.success::before {
  content: "✓";
  background: var(--accent-green);
}

.messages .message.warning {
  border-color: color-mix(in srgb, var(--btn-hover) 55%, var(--border-subtle));
}
.messages .message.warning::before {
  content: "!";
  background: var(--btn-hover);
}

.messages .message.error { border-color: rgba(176,0,32,.55); }
.messages .message.error::before {
  content: "!";
  background: rgba(176,0,32,.8);
  color: white;
}

.messages .message.info::before { content: "i"; }

/* Navbar */

.title-short {
  display: none;
}

nav {
  z-index: 100;
}

nav ul {
  width: 100%;
  list-style: none;
  display: flex;
  justify-content: flex-end;
}

.main {
  padding-inline-start: 0;
  margin-block-start: 0;
  margin-block-end: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.main:first-child { margin-right: auto; }

nav a {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  color: var(--text-color);
}

nav a:hover { background-color: var(--btn); }

.menu-btn { z-index: 51; }

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-actions);
  justify-content: flex-end;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: fit-content;
  padding: 1rem 0;
  gap: .75rem;
}

.nav-container h1 {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  font-size: clamp(1.9rem, 3vw, 2.4rem);
  font-weight: 700;
  line-height: 1.15;
}

/* Ellipsis am Link (Text-Element) */
.nav-container h1 a{
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Actions rechts: niemals schrumpfen/umbrechen */
.nav-container .main{
  flex: 0 0 auto;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  flex-wrap: nowrap;
  margin: 0;
  padding: 0;
  list-style: none;
}

nav ul.main {
  width: auto;          /* WICHTIG: nimmt nicht mehr 100% */
  margin-left: auto;    /* schiebt Icons nach rechts */
}

.close-btn { 
  margin-bottom: 1rem;
  align-items: end;
}



.icon-btn,
.theme-switch {
  appearance: none;
  border: 0;
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  padding: .4rem;
}

.icon-btn { 
  background: none; 
  border: 0; 
  cursor: pointer; 

}

.icon-btn svg,
.theme-switch svg { 
  display: block;
}

/* Darkmode switch */
.theme-switch {
  height: 50px;
  width: 50px;
  padding: 0;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  top: 20px;
  right: 20px;
  z-index: 5;
}

.theme-switch svg { 
  fill: var(--text-color); 
}

.theme-switch svg:last-child { 
  display: none; 
}

.darkmode .theme-switch svg:first-child { 
  display: none; 

}
.darkmode .theme-switch svg:last-child { 
  display: block; 
}


/* Filter banner */
.filter-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .6rem 1rem;
  margin-bottom: 1rem;
  background: var(--surface-alt-color, #f0f4ff);
  border: 1px solid var(--accent-color, #4f6ef7);
  border-radius: var(--radius, 6px);
  font-size: .95rem;
}

.filter-banner__reset {
  white-space: nowrap;
  font-weight: 500;
  color: var(--accent-color, #4f6ef7);
}


/* Stylings body */
.lectures-container {
  display: grid;
  gap: .9rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: stretch;
}

.lecture {
  position: relative;
  background-color: var(--surface-glass);
  padding: 1.1rem 1.15rem;
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-tile);
  border-radius: var(--r-card, 1rem);
  display: flex;
  flex-direction: column;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.12s ease;
}

.lecture:hover {
  background-color: var(--surface-glass-hover);
}

.lecture:hover,
.lecture:focus-within {
  background-color: var(--surface-glass-hover);
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(0,0,0,0.10);
}

/* Button general styling */
button,
a.btn,
input.btn {
  margin-top: 0;

  background: color-mix(in srgb, var(--btn) 22%, var(--bcg-col));
  border: 1px solid color-mix(in srgb, var(--btn) 28%, transparent);

  font-weight: 500;

  background-color: var(--btn);
  color: var(--text-color);
  text-decoration: none;
  transition: transform 0.2s ease, background-color 0.3s ease;
  border-radius: var(--r-button);
  padding: 0.5rem 0.75rem;
  font-family: inherit;
  font-size: 1rem;
  display: inline-flex;
}

button:hover,
a.btn:hover,
input.btn:hover {
  background: color-mix(in srgb, var(--btn) 30%, var(--bcg-col));
  box-shadow: 0 10px 26px rgba(0,0,0,0.08);
  transform: none;
}


.svg { 
  color: var(--text-color); 
}

.btn.btn-icon-text {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  line-height: 1;
  white-space: nowrap;
}
.btn.btn-icon-text svg { 
  display: block; 
  flex: 0 0 auto; 
}
.btn.btn-icon-text span { 
  line-height: 1; 
}

/* ========= btn-primary =========== */
.btn-primary{
  background: color-mix(in srgb, var(--accent-green) 50%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-green) 60%, transparent);
}
.btn-primary:hover{
  background: color-mix(in srgb, var(--accent-green) 70%, transparent);
}


/* ========= Danger Button ========== */
.btn-danger{
  background: color-mix(in srgb, var(--btn-hover) 55%, transparent);
  border: 1px solid color-mix(in srgb, var(--btn-hover) 60%, transparent);
}

.btn-danger:hover{
  background: var(--btn-hover);
  border-color: var(--btn-hover);
}

/* ===== Danger button (Delete) ===== */
a.btn.btn-danger,
button.btn.btn-danger,
input.btn.btn-danger{
  background: color-mix(in srgb, var(--btn-hover) 55%, transparent);
  border: 1px solid color-mix(in srgb, var(--btn-hover) 55%, transparent);
}

a.btn.btn-danger:hover,
button.btn.btn-danger:hover,
input.btn.btn-danger:hover{
  background: color-mix(in srgb, var(--btn-hover) 75%, transparent);
  border-color: color-mix(in srgb, var(--btn-hover) 75%, transparent);
  box-shadow: var(--shadow-tile-soft);
}

/* Tags und styling */
.terms {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin: 0.5rem 0;
}

.badge {
  background: color-mix(in srgb, var(--tags) 55%, transparent);
  border: 1px solid color-mix(in srgb, var(--btn) 25%, transparent);
  color: var(--text-color);
  padding: 0.2rem 0.6rem;
  border-radius: var(--r-input);
}

.muted { 
  color: #888; 
}

/* Input styling */
.form-inline {
  display: flex;
  flex-flow: row wrap;
  align-items: center;
  gap: 0.5rem;
  font-family: "Barlow Semi Condensed", sans-serif;
}

.form-inline input {
  vertical-align: middle;
  margin: 5px 10px 5px 0;
  background-color: #fff;
  border: 1px solid #ddd;
  box-sizing: border-box;
  line-height: 1.6rem;
  border-radius: var(--r-input);
}


/* small screens */
@media (min-width: 480px) {
  .title-long { 
    display: none; 
  }

  .title-short { 
    display: inline; 
  }
}

@media (min-width: 340px) {
  .title-short { 
    font-size: 1.1rem; 
  }
}

@media screen and (max-width: 765px) {
  .nav-container {
    padding: 0.4rem 0.5rem 0.4rem 0;
    gap: 0.5rem;
  }
  .lectures-container { grid-template-columns: 1fr; }

  /* spacing mobile */
  .form-row > label {
  margin-top: 1.25rem;
  margin-bottom: 1rem;
  }
}

@media (max-width: 820px) {
  .lectures-container {
    grid-template-columns: 1fr;
  }
}

/* medium screens */
@media screen and (min-width: 766px) {
  .sidebar { transform: translateX(100%); }
  .sidebar.open { transform: translateX(0); }
}

/* large screens */
@media screen and (min-width: 1600px) {
  .lectures-container { grid-template-columns: 1fr 1fr 1fr; }
}

/* Modal */
dialog {
  padding: 1.5rem;
  border-radius: var(--r-card);
  background-color: var(--lecture-hover);
  line-height: 1.5rem;
}

dialog::backdrop { background-color: rgb(0, 0, 0, 0.6); }

body.darkmode dialog {
  background-color: var(--lecture-hover);
  color: var(--text-color);
}

body.darkmode dialog input,
body.darkmode dialog textarea,
body.darkmode dialog select {
  background-color: #1e1e1e;
  color: var(--text-color);
  border: 1px solid var(--btn);
}

body.darkmode dialog button {
  background-color: var(--btn);
  color: var(--text-color);
}


/* Navbar Entry-Detail View – minimal hover */
.module-nav a {
  color: var(--text-color);
  text-decoration: none;
}
.module-nav a:hover {
  text-decoration: none;
  color: var(--text-color);
  background: none;
}

/* Entry-detail-links */
.file-list {
  list-style: none;
  padding-left: 0;
  margin: .5rem 0 1rem;
}
.file-list li { margin: .25rem 0; }
.file-list a { text-decoration: none; }
.file-list a:hover { text-decoration: underline; }

/* entry-form styling */
/* Grid-Wrapper: 2 Spalten – links Label (fixbreit), rechts Feld (flex) */
.form-grid {
  display: grid;
  grid-template-columns: minmax(160px, 260px) 1fr;
  column-gap: 1.25rem;
  row-gap: 0.9rem;
  align-items: start;

  padding: 1.1rem 1.15rem;
  border-radius: var(--r-card);
  background: var(--surface-glass-2);
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-tile);
}

/* Kinder der form-row direkt im Grid platziert */
.form-row { 
  display: contents; 
}

/* Label links, sauber ausgerichtet */
.form-row > label {
  grid-column: 1;
  align-self: start;
  font-weight: 600;
  color: var(--text-color);
  padding-top: 0.4rem;
}

/* Alle anderen Elemente rechts */
.form-row > :not(label) { grid-column: 2; }

/* Inputs / Textareas optisch angleichen */
.form-row input[type="text"],
.form-row input[type="file"],
.form-row textarea,
.form-row select {
  width: 100%;
  padding: .6rem .75rem;
  border-radius: var(--r-input);
  
  border: 1px solid var(--border-glass);
  background: var(--surface-glass);
  box-shadow: var(--shadow-tile-soft);

  color: var(--text-color);
  outline: none;
}

/* Detailansicht: Werte wie Inputs aussehen lassen */
.form-row .form-value {
  width: 100%;
  padding: .6rem .75rem;

  border: 1px solid var(--border-glass);
  background: var(--surface-glass);
  box-shadow: var(--shadow-tile-soft);
  
  border-radius: var(--r-input);
  color: var(--text-color);
}

/* File-Input innerhalb form-value: kein eigener Rahmen */
.form-row .form-value input[type="file"] {
  border: none;
  background: transparent;
  padding: 0;
  border-radius: 0;
}

/* mehrzeilige Felder wirken wie textarea */
.form-row .form-value.multiline {
  min-height: 7.5rem;
  white-space: pre-wrap;
}

.form-row textarea { min-height: 7.5rem; resize: vertical; }

.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus{
  border-color: color-mix(in srgb, var(--btn) 55%, var(--btn-hover));
  box-shadow:
    0 0 0 3px color-mix(in srgb, var(--btn) 30%, transparent),
    var(--shadow-tile-soft);
}

/* Fehler */
.form-row .errorlist,
.form-row .error {
  margin-top: .35rem;
  color: #b00020;
  font-size: .9rem;
}

/* Buttons */
.form-actions {
  margin-top: 1.25rem;
  display: flex;
  gap: .75rem;
  justify-content: center;
}

@media (max-width: 560px) {
  .form-actions .btn.btn-icon-text span {
    display: none;
  }

  .form-value .sub-actions {
    flex-direction: column;
  }

  .form-value .sub-actions > a,
  .form-value .sub-actions > a > button {
    width: 100%;
  }

  .form-value .sub-actions button {
    justify-content: center;
  }
}

.card-actions { margin-top: 0; }

/* Responsive: auf Mobil einspaltig */
@media (max-width: 640px) {
  .form-grid {
    grid-template-columns: 1fr;
    row-gap: 1.4rem;
  }
  .form-row { display: block; }
  .form-row > label {
    padding-top: 0;
    margin-bottom: .5rem;
  }
  .form-row + .form-row {
    padding-top: 0.25rem;
  }
}

/* aktuelle Datei-Links */
.current-file a {
  background: var(--accent-green);
  color: var(--text-color);
  text-decoration: none;
  padding: .3rem .6rem;
  border-radius: var(--r-sm);
}
.current-file a:hover { color: var(--lecture-hover); }

.file-widget {
  display: flex;
  flex-direction: column;
  gap: .45rem;
}
.file-widget .clear-chk {
  font-size: .9rem;
  opacity: .8;
}

.picker-row {
  display: flex;
  gap: .75rem;
  align-items: center;
  flex-wrap: wrap;
}

.clear-chk-inline {
  font-size: .9rem;
  opacity: .85;
  display: flex;
  align-items: center;
  gap: .35rem;
}

/* keine Datei */
.current-file.none { opacity: 0.7; }

/* INLINE neben dem Link erzwingen */
.file-widget .current-file {
  display: flex;
  align-items: center;
  gap: .75rem;
  flex-wrap: wrap;
}
.file-widget .clear-chk-inline {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .9rem;
  opacity: .85;
}
.file-widget .current-file a:hover {
  background: var(--btn-hover);
  color: var(--text-color);
}

/* Einheitliche Schrift in Formular-Controls */
input, textarea, select, button {
  font: inherit;
  color: inherit;
  line-height: 1.4;
}

/* Tag-/Select-Widgets (taggit/select2) */
.select2-container,
.select2-selection,
.select2-results__option,
.tagify, .tagify__input {
  font-family: inherit;
  font-size: 1rem;
}

/* ===== Taggit / Select2 chips (ruhig, nicht grün) ===== */
.select2-container--default .select2-selection--multiple{
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--r-input);
  min-height: 44px;
  padding: .25rem .35rem;
}

/* die einzelnen "chips" */
.select2-container--default .select2-selection--multiple .select2-selection__choice{
  background: color-mix(in srgb, var(--btn) 55%, transparent);
  border: 1px solid color-mix(in srgb, var(--btn) 35%, transparent);
  color: var(--text-color);
  border-radius: var(--r-pill);
  padding: .2rem .55rem;
  margin: .25rem .25rem 0 0;
  box-shadow: none;
}

/* das kleine X zum entfernen */
.select2-container--default .select2-selection__choice__remove{
  color: inherit;
  opacity: .65;
  margin-right: .35rem;
}
.select2-container--default .select2-selection__choice__remove:hover{
  opacity: 1;
  background: none;
}

/* Error Pages */
.error-page {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  padding-block: 3rem;
}

.error-page__code {
  font-size: clamp(3rem, 8vw, 5rem);
  font-weight: 700;
  color: var(--btn);
  margin: 0;
  line-height: 1;
}

.error-page__title {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 600;
  margin: 0;
}

.error-page__text {
  color: color-mix(in srgb, var(--text-color) 65%, transparent);
  margin: 0 0 0.5rem;
}

/* Footer */
footer.site-footer {
  margin-top: 4rem;
  padding: 2rem 0;
  color: var(--text-color);
  background-color: var(--bcg-col);
  text-align: center;
  font-size: 0.9rem;
}

.footer-links { margin: 1rem 0; }

.footer-links a {
  margin: 0 0.8rem;
  text-decoration: none;
  color: var(--text-color);
  transition: color 0.2s ease;
}

.footer-links a:hover { color: var(--btn-hover); }

.footer-top p {
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.footer-bottom p {
  font-size: 0.85rem;
  opacity: 0.8;
}

/* Kontaktformular */
.form .form-row { margin-bottom: 1rem; }

.form label {
  display: block;
  margin-bottom: 0.25rem;
  font-weight: 500;
}

.form input[type="text"],
.form input[type="password"],
.form input[type="email"],
.form textarea {
  width: 100%;
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--lecture-hover);
  background: var(--bcg-col);
  color: var(--text-color);
  border-radius: var(--r-card);
}

.form .checkbox label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 400;
}

.form .error {
  margin-top: 0.3rem;
  font-size: 0.85rem;
  color: #b00020;
}

.auth-wrapper input:-webkit-autofill,
.auth-wrapper input:-webkit-autofill:hover,
.auth-wrapper input:-webkit-autofill:focus {
  -webkit-box-shadow: 0 0 0 1000px var(--lecture-bcg) inset;
  box-shadow: 0 0 0 1000px var(--lecture-bcg) inset;
  -webkit-text-fill-color: var(--text-color);
}

/* about */
.about {
  margin: 2rem auto;
  max-width: 75ch;
}

.about h1,
.about h2,
.about h3 {
  color: var(--text-color);
  font-weight: 600;
}

.about p,
.about ul {
  line-height: 1.6;
  margin-bottom: 1rem;
}

.about ul { padding-left: 1.2rem; }

.grid-cards {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin: 1.5rem 0;
}

.card {
  padding: 1rem 1.2rem;
  border: 1px solid var(--border-glass);
  border-radius: var(--r-card);
  background: var(--surface-glass);
}

.card h3 { margin-top: 0; }

.about-footer {
  margin-top: 2rem;
  font-size: 0.95rem;
  opacity: 0.85;
}

/* optional – etwas mehr Raum auf großen Screens */
@media screen and (min-width: 768px) {
  .grid-cards { grid-template-columns: 1fr 1fr; }
}

input[type="file"]::file-selector-button {
  border: none;
  border-radius: var(--r-button);
  padding: 0.45rem 0.75rem;
  margin-right: 0.75rem;

  background: var(--btn);
  color: var(--text-color);
  font-family: inherit;
  font-size: 1rem;
  cursor: pointer;

  transition: background-color 0.3s ease, transform 0.2s ease;
}

input[type="file"]::file-selector-button:hover {
  background: var(--btn-hover);
  transform: scale(1.03);
}


/* Aufgabentypen */
.tasktype-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.tasktype-item {
  border: 1px solid var(--border-glass);
  border-radius: var(--r-card);
  background: var(--surface-glass);
  overflow: hidden;
}

.tasktype-item[open] {
  border-color: color-mix(in srgb, var(--btn) 60%, transparent);
}

.tasktype-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  cursor: pointer;
  list-style: none;
  gap: 1rem;
}

.tasktype-summary::-webkit-details-marker { display: none; }

.tasktype-summary:hover {
  background: var(--surface-glass-hover);
}

.tasktype-name {
  font-weight: 600;
  font-size: 1rem;
}

.tasktype-meta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
  color: color-mix(in srgb, var(--text-color) 60%, transparent);
}

.tasktype-count {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text-color);
  font-variant-numeric: tabular-nums;
  min-width: 1.8rem;
  text-align: right;
}

.tasktype-count-label {
  display: inline-block;
  width: 3.6rem;
}

.tasktype-count-label {
  font-size: 0.85rem;
}

.tasktype-chevron {
  transition: transform 0.2s ease;
  opacity: 0.5;
}

.tasktype-item[open] .tasktype-chevron {
  transform: rotate(180deg);
}

.tasktype-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem 1rem;
  border-top: 1px solid var(--border-glass);
}

.tasktype-module-link {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  border-radius: var(--r-pill);
  background: color-mix(in srgb, var(--btn) 30%, transparent);
  border: 1px solid var(--border-glass);
  font-size: 0.9rem;
  color: var(--text-color);
  text-decoration: none;
  transition: background 0.15s ease;
}

.tasktype-module-link:hover {
  background: color-mix(in srgb, var(--btn) 55%, transparent);
}

/* Lernbegriffe */
.tag-grid{
  display: grid;
  gap: .75rem;
  margin-top: .75rem;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));

  background: transparent; 
}

.tag-card{
  border: 2px solid var(--border-glass);
  border-radius: var(--r-card);
  background: var(--surface-glass);
  overflow: hidden;

}

/* Summary = Pill/Kachel-Header */
.tag-pill {
  list-style: none;
  cursor: pointer;

  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;

  padding: 1rem 1.1rem;
  font-weight: 600;
  user-select: none;
}
/* Pfeil/Marker in Webkit ausblenden */
.tag-pill::-webkit-details-marker { display: none; }

/* Name & Count */
.tag-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tag-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  padding: .15rem .55rem;
  border-radius: var(--r-pill);
  background: var(--tags);
  font-size: .9rem;
  font-weight: 600;
}

/* Hover-Effekt */
.tag-card:hover {
  transform: translateY(-2px);
  transition: transform .15s ease;
}

/* Offener Zustand — kein Farbakzent */
.tag-card[open] { border-color: var(--border-glass); }
.glossary-card--exam[open] { border-color: var(--text-color); }

/* Panel mit Modulen */
/* Glossary: rechte Gruppe (Counter + Stern) */
.tag-pill__meta {
  display: flex;
  align-items: center;
  gap: .4rem;
  flex-shrink: 0;
}

/* ================================
   Glossary Toolbar & Controls
   ================================ */

.glossary-header {
  margin-bottom: 1rem;
}

.glossary-toolbar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  margin: 0.75rem 0 0.5rem;
}

.glossary-search-input {
  flex: 1;
  min-width: 160px;
  padding: 0.35rem 0.75rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--border-glass);
  background: var(--surface-glass);
  color: var(--text-color);
  font-family: inherit;
  font-size: 0.95rem;
}

.glossary-search-input:focus {
  outline: none;
  border-color: var(--btn-hover);
}

.filter-group {
  display: flex;
  gap: 0.3rem;
  flex-wrap: nowrap;
}

.filter-group--sort {
  border-left: 1px solid var(--border-glass);
  padding-left: 0.6rem;
}

.filter-pill {
  display: inline-block;
  padding: 0.3rem 0.7rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--border-glass);
  background: var(--surface-glass);
  color: var(--text-color);
  font-size: 0.9rem;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
}

.filter-pill:hover {
  background: var(--surface-glass-hover);
  color: var(--text-color);
}

.filter-pill.is-active {
  background: var(--text-color);
  border-color: var(--text-color);
  color: var(--bcg-col);
}

.glossary-stats {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  opacity: 0.65;
  margin-bottom: 0.25rem;
}

.glossary-stats__sep {
  opacity: 0.5;
}

.glossary-stats__item--shown {
  opacity: 1;
  font-weight: 600;
}

.glossary-no-results {
  text-align: center;
  opacity: 0.6;
  margin-top: 2rem;
}

/* Glossary: 2 Spalten, mehr Luft */
.glossary-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.1rem;
}

@media (max-width: 600px) {
  .glossary-grid { grid-template-columns: 1fr; }
}

/* Glossary: two explicit columns (exam left, non-exam right) */
.glossary-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  align-items: start;
}

.glossary-col {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (max-width: 700px) {
  .glossary-columns { grid-template-columns: 1fr; }
}

/* Glossary: Farbkodierung nach Häufigkeit — nur Summary-Header, Panel bleibt neutral */
.glossary-card {
  background: var(--surface-glass);
  border-color: var(--border-glass);
}

.glossary-card > summary {
  background: color-mix(in srgb, var(--glossary-tint) var(--freq-pct, 0%), transparent);
  border-radius: var(--r-lg);
  transition: background .2s;
}

.glossary-card[open] > summary {
  border-radius: var(--r-lg) var(--r-lg) 0 0;
}

.glossary-card--exam {
  border: 2px solid var(--text-color);
}

.glossary-count {
  background: var(--tags);
  color: var(--text-color);
}

.tag-panel {
  padding: .85rem 1rem 1rem;
  border-top: 1px solid color-mix(in srgb, var(--text-color) 20%, transparent);
  background: var(--bcg-col);
  border-radius: 0 0 var(--r-card) var(--r-card);
  display: grid;
  gap: .5rem;
}

/* Module Links */
.tag-module {
  margin: 0;
  font-size: 1rem;
}

.tag-module a {
  display: inline-block;
  padding: .35rem .6rem;
  border-radius: var(--r-input);
  background: rgba(0,0,0,.06);
}

.darkmode .tag-module a { background: rgba(255,255,255,.06); }

@media (max-width: 560px) {
  .tag-grid {
    grid-template-columns: 1fr;
  }

  .tag-card {
    transform: none;
  }
}

@media (max-width: 560px) {
  .glossary-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .glossary-search-input {
    width: 100%;
    min-width: 0;
  }

  .filter-group {
    flex-wrap: wrap;
  }

  .filter-group--sort {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--border-glass);
    padding-top: 0.4rem;
  }
}

/* Navbar Entry-Detail View */
.module-nav {
  position: sticky;
  bottom: 0;
  z-index: 50;

  margin-top: 2rem;
  padding: 0.75rem 0;

  background: color-mix(in srgb, var(--bcg-col) 85%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--border-glass);
}

.module-nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.module-nav-btn,
.module-nav-center {
  padding: 0.5rem 0.9rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--border-glass);
  background: var(--surface-glass);
  color: var(--text-color);
  text-decoration: none;
  font-size: 0.95rem;
  transition: background 0.12s, border-color 0.12s;
}

.module-nav-btn:hover,
.module-nav-center:hover {
  background: var(--surface-glass-hover);
  color: var(--text-color);
}

.module-nav-btn.is-disabled {
  opacity: 0.35;
  pointer-events: none;
  border-color: transparent;
  background: transparent;
}

/* Audio */
.audio-caption {
  font-weight: 400;
  font-size: 0.9rem;
  opacity: 0.75;
  margin-top: 0.25rem;
  line-height: 1.2;
}

.form-value.audio-block{
  background: var(--surface-glass);     /* oder transparent, je nach Geschmack */
  border: 1px solid var(--border-glass);
  border-radius: var(--r-input);
  padding: .6rem .75rem;
  box-shadow: var(--shadow-tile-soft);
}
.audio-player{ width: 100%; }


/* Misc */
.is-hidden { display: none; }


/* Glossar Stuff */
.star-form { margin: 0; }

.exam-badge,
.exam-toggle {
  display: inline-flex;
  align-items: center;
  padding: 0.1rem 0.45rem;
  border-radius: var(--r-pill);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  white-space: nowrap;
  text-transform: uppercase;
}

.exam-badge {
  background: color-mix(in srgb, var(--text-color) 10%, transparent);
  color: var(--text-color);
  border: 1px solid color-mix(in srgb, var(--text-color) 30%, transparent);
}

.exam-toggle {
  background: transparent;
  border: 1px solid color-mix(in srgb, var(--text-color) 15%, transparent);
  color: color-mix(in srgb, var(--text-color) 35%, transparent);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.exam-toggle--active {
  background: color-mix(in srgb, var(--text-color) 10%, transparent);
  border-color: color-mix(in srgb, var(--text-color) 40%, transparent);
  color: var(--text-color);
}

.exam-toggle:hover {
  background: color-mix(in srgb, var(--text-color) 8%, transparent);
  color: var(--text-color);
  border-color: color-mix(in srgb, var(--text-color) 40%, transparent);
}

.form-collapsible {
  border-radius: 14px;
  padding: 0.25rem 0.5rem;
}

.form-collapsible__summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.4rem;
  font-weight: 600;
}

.form-collapsible__summary::-webkit-details-marker {
  display: none;
}

.form-collapsible[open] .form-collapsible__summary {
  opacity: 0.9;
}

.form-collapsible__content {
  padding: 0.5rem 0.25rem 0.25rem;
}

.form-collapsible__content > div > div {
  break-inside: avoid;
}

@media (min-width: 820px) {
  .form-collapsible__content > div {
    columns: 2;
    column-gap: 1.5rem;
  }
}

.form-collapsible__meta {
  opacity: 0.7;
  font-weight: 500;
  font-size: 0.9em;
}


/* Completion button */

/* Completion button states */
.completion-btn.is-complete {
  background: var(--accent-green);
  color: var(--text-color);
}

/* Optional: leicht anderer Hover für completed, damit er nicht orange wird */
.completion-btn.is-complete:hover {
  background: color-mix(in srgb, var(--accent-green) 75%, var(--btn-hover));
}


/* Page title */
.page-title{
  font-size: var(--fs-page-title);
  font-weight: 600;
  margin-bottom: 1rem;
}


/* ===== Module cards: header + actions (icons only) ===== */

/* Header layout: title left, actions right */
.lecture .card-header{
  align-items: center;
  gap: 1rem;
}

/* Title can shrink, actions keep their width */
.lecture .card-title{
  margin: 0;
  min-width: 0;
  flex: 1 1 auto;

  font-size: var(--fs-card-title);
  font-weight: 600;
}

.lecture .card-title a{
  display: inline-block;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Action cluster: single row, no wrap */
.lecture .card-actions.btn-group{
  flex-wrap: nowrap;
  gap: .5rem;
  align-items: center;
  justify-content: flex-end;
  flex-shrink: 0;
  margin-top: 0;
}

/* Optional pill "plate" behind icons (mockup look) */
.lecture .card-actions{
  background: color-mix(in srgb, var(--btn) 55%, transparent);
  padding: .35rem;
  border-radius: var(--r-pill);
}

/* Icons only: hide labels */
.lecture .card-actions .btn.btn-icon-text span,
.lecture .card-actions button.btn.btn-icon-text span{
  display: none;
}

/* Icon button sizing */
.lecture .card-actions .btn.btn-icon-text,
.lecture .card-actions button.btn.btn-icon-text{
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border-radius: var(--r-pill);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Prevent layout jitter from global hover scaling */
.lecture .card-actions .btn:hover,
.lecture .card-actions button:hover{
  transform: none;
}

/* Actions: show only on hover/focus (desktop). Always visible on touch. */

@media (hover: hover) and (pointer: fine) {
  /* default hidden */
  .lecture .card-actions {
    opacity: 0;
    transform: translateY(-2px);
    transition: opacity 160ms ease, transform 160ms ease;
  }

  /* show on hover or keyboard focus */
  .lecture:hover .card-actions,
  .lecture:focus-within .card-actions {
    opacity: 1;
    transform: translateY(0);
  }

  /* optional: desktop lift */
  .lecture:hover {
    transform: translateY(-2px);
  }
}

@media (hover: none), (pointer: coarse) {
  .lecture .card-actions {
    opacity: 1;
    transform: none;
  }
}


/* ===== Completed card styling ===== */

.lecture.is-complete{
  background: color-mix(in srgb, var(--accent-green) 10%, var(--surface-glass));
  border-color: color-mix(in srgb, var(--accent-green) 35%, var(--border-glass));
  border-left: 3px solid color-mix(in srgb, var(--accent-green) 65%, var(--btn));
}

.darkmode .lecture.is-complete{
  background: color-mix(in srgb, var(--accent-green) 8%, var(--surface-glass));
  border-color: color-mix(in srgb, var(--accent-green) 30%, var(--border-glass));
  border-left: 3px solid color-mix(in srgb, var(--accent-green) 55%, var(--btn));
}

.lecture.is-complete:hover,
.lecture.is-complete:focus-within{
  background: color-mix(in srgb, var(--accent-green) 15%, var(--surface-glass-hover));
}

.darkmode .lecture.is-complete:hover,
.darkmode .lecture.is-complete:focus-within{
  background: color-mix(in srgb, var(--accent-green) 12%, var(--surface-glass-hover));
}

/* ===== Whole card clickable (stretched link) ===== */

.lecture{
  position: relative;
}

/* Overlay-Link füllt die Card */
.lecture > .card-link{
  position: absolute;
  inset: 0;
  border-radius: inherit;
  z-index: 1;
}

/* Normaler Inhalt soll Klicks NICHT abfangen */
.lecture .card-header,
.lecture .terms{
  position: relative;
  z-index: 2;
  pointer-events: none;
}

/* Aber interaktive Elemente sollen weiterhin klickbar sein */
.lecture .card-actions,
.lecture .card-actions *,
.lecture .terms a{
  pointer-events: auto;
}


/* Nav-Titel soll keinen Hover-Hintergrund bekommen */
nav h1 a:hover,
nav h1 a:focus {
  background: none;
  color: var(--text-color);
}

/* ===== Prüfungsanforderungen / Prüfungs-Card (ohne Inline-Styles) ===== */

.exam-card__header{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.exam-card__title{
  margin: 0;
}

.exam-card__meta{
  margin: 0;
}

.exam-card__body{
  margin-top: 0.75rem;
  display: grid;
  gap: 0.75rem;
}

.exam-subblock{
  display: grid;
  gap: 0.35rem;
}

.exam-subblock__title{
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.2;
}

/* Liste im gleichen Look, aber mit sauberem Abstand */
.exam-list{
  margin: 0 0 0 1.1rem;
  line-height: 1.6;
  padding: 0;
}

.exam-list--tight{
  margin-top: 0;
}

/* Mobile: Titel + Badges untereinander */
@media (max-width: 640px){
  .exam-card__header{
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ===== Nav Search (icon → smooth expand) ===== */

.nav-container .main .nav-search {
  display: flex;
  align-items: center;
  gap: .5rem;
}

/* Standard: eingeklappt */
.nav-container .main .nav-search form.nav-search-form {
  display: flex;              /* bleibt flex wegen .form-inline */
  align-items: center;
  gap: .5rem;

  max-width: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;

  transition: max-width 220ms ease, opacity 160ms ease;
}

/* Open state */
.nav-container .main .nav-search.is-open form.nav-search-form {
  max-width: 520px;           /* genug Platz für Input + Button */
  opacity: 1;
  pointer-events: auto;
}

/* Input im Overlay integriert */
.nav-container .main .nav-search > form.nav-search-form input{
  margin: 0;
  width: min(46vw, 280px);

  padding: .55rem .75rem;
  border: 0;                     /* Rahmen weg */
  border-radius: var(--r-pill);
  background: transparent;        /* integriert */
  color: var(--text-color);

  outline: none;
  box-shadow: none;
}

/* Subtiler Fokus */
.nav-container .main .nav-search > form.nav-search-form input:focus{
  border: var(--lecture-bcg)
}

/* ============ Teacher Dashboard ============= */

.teacher-dashboard {
  padding: 0;
}

.dashboard-header h1 {
  margin: 0 0 1rem 0;
}

/* KPI row */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.kpi {
  background: var(--surface-glass);
  border-radius: var(--r-card, 1rem);
  padding: 0.9rem 1rem;
  box-shadow: var(--shadow-tile-soft);
  border: 1px solid var(--border-glass);
}

.kpi-label {
  font-size: 0.9rem;
  opacity: 0.8;
}

.kpi-value {
  font-size: 1.6rem;
  font-weight: 700;
  margin-top: 0.25rem;
}

/* Tiles */
.tile-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.tile {
  display: block;
  text-decoration: none;
  color: inherit;

  background: var(--surface-glass);
  border-radius: var(--r-card, 1rem);
  padding: 1.1rem 1.15rem;

  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-tile);

  transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.12s ease;
}

.tile:hover,
.tile:focus-visible {
  background-color: var(--surface-glass-hover);
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(0,0,0,0.10);
  outline: none;
}

.tile-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.tile-sub {
  font-size: 0.95rem;
  opacity: 0.85;
}

/* "Als nächstes" section */
.dashboard-notes {
  margin-top: 1.4rem;
  background: var(--surface-glass);
  border-radius: var(--r-card, 1rem);
  padding: 1rem 1.1rem;
  border: 1px solid var(--border-glass);
}

.dashboard-notes h2 {
  margin-top: 0;
}

/* Responsive */
@media (max-width: 820px) {
  .kpi-row {
    grid-template-columns: 1fr;
  }
  .tile-grid {
    grid-template-columns: 1fr;
  }
}

/* ================================
   Teacher Submissions Dashboard
   ================================ */

/* Outer table: mehr Luft zwischen Units */
.teacher-dashboard table{
  width: 100%;
  border-collapse: separate;
  border-spacing: 0 .8rem; /* spacing zwischen Unit-Blöcken */
}


/* Details "Card" */
.unit-details__box{
  margin-top: .5rem;
  padding: 1rem;
  border-radius: var(--r-card);
  border: 1px solid var(--border-glass);
  background: var(--surface-glass-2);
  box-shadow: var(--shadow-tile-soft);
}


/* Inner submissions table */
.submissions-table{
  width: 100%;
  border-collapse: collapse;
}

.submissions-table th{
  text-align: left;
  font-size: .9rem;
  opacity: .75;
  padding: .35rem .5rem;
}

.submissions-table td{
  border-top: none;
  vertical-align: middle;
}

/* Hover pro Schülerzeile */
.submissions-table tbody tr:hover{
  background: color-mix(in srgb, var(--btn) 18%, transparent);
}

/* Name etwas stärker */
.submissions-table td:first-child{
  font-weight: 600;
}

/* sub actions */
.sub-actions{
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
}
.sub-actions form{ margin: 0; } /* verhindert Form-Spacing */
.sub-actions button{ white-space: nowrap; }

button:disabled{
  opacity: .45;
  cursor: not-allowed;
  box-shadow: none;
}

@media (max-width: 760px){
  .teacher-dashboard table{
    border-spacing: 0 .6rem;
  }

  .unit-details__box{
    overflow-x: auto;
  }
}
/* Details wrapper acts like table row spacing */
.unit-accordion{
  display: block;
  margin: 0 0 .8rem 0;
}

/* summary looks like your old unit-row */
.unit-row--summary{
  list-style: none;
  cursor: pointer;
}
.unit-row--summary::-webkit-details-marker{ display:none; }

/* grid = columns */
.unit-grid{
  display: grid;
  grid-template-columns: 1.4fr .6fr .9fr 1.1fr;
}

/* cells styled like your table cells */
.unit-cell{
  background: transparent;
  padding: .95rem .9rem;
  display: flex;
  align-items: flex-start;
  min-width: 0;
}
.unit-cell--module{ font-weight: 600; }
.unit-title{
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.unit-cell--module .muted{
  display: block;
  margin-top:.2rem;
  font-size:.9rem;
}

/* hover state */
.unit-accordion > summary:hover{
  background: var(--surface-glass-2);
}

.unit-cell--module .unit-meta{
  display: flex;
  flex-direction: column;
  gap: .2rem;
  min-width: 0;                   /* für ellipsis */
}

.unit-cell--module .unit-title{
  font-weight: 600;
  line-height: 1.2;

  /* optional ellipsis */
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.unit-cell--module .unit-sub{
  display: block;
  line-height: 1.2;
}

/* open state */
.unit-accordion[open] > summary .unit-cell{
  border-color: color-mix(in srgb, var(--btn-hover) 25%, var(--border-glass));
}

/* ===== Homework row: file check + mini statusbar ===== */

.subm-files{
  white-space: nowrap;
}

.file-check{
  display: inline-grid;
  place-items: center;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: var(--r-sm);
  background: color-mix(in srgb, var(--accent-green) 55%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-green) 60%, transparent);
  font-weight: 800;
}

.file-check.is-empty{
  background: color-mix(in srgb, var(--btn) 45%, transparent);
  border-color: color-mix(in srgb, var(--btn) 55%, transparent);
  font-weight: 600;
  opacity: .8;
}

.subm-statusbar{
  display: grid;
  gap: .35rem;
  min-width: 180px;
}

.subm-statusbar__labels{
  font-size: .92rem;
  opacity: .9;
}

/* reuse your existing bar, just make it slimmer in this context */
.subm-statusbar .course-progress__bar{
  height: 8px;
}

/* optional: different fill “moods” without new colors */
.course-progress__fill.is-submitted{
  background: var(--btn-hover);
}

.course-progress__fill.is-corrected{
  background: var(--accent-green);
}

/* mobile: stack */
@media (max-width: 860px){
  .unit-grid{
    grid-template-columns: 1fr;
  }
  .unit-cell{
    border-radius: 0;
  }

  .unit-cell:first-child{ border-top-left-radius: var(--r-card); border-top-right-radius: var(--r-card); }
  .unit-cell:last-child{ border-bottom-left-radius: var(--r-card); border-bottom-right-radius: var(--r-card); }
}

/* Mobile: weniger Spalten/Buttons, damit nix overflowt */
@media (max-width: 620px){

  /* Spalte "Datei vorhanden" komplett weg */
  .teacher-submissions .submissions-table td.subm-files,
  .teacher-submissions .submissions-table th.subm-files{
    display: none;
  }

  /* "Als korrigiert markieren" auf Mobile ausblenden (Öffnen bleibt) */
  .teacher-submissions .submissions-table .mark-corrected{
    display: none;
  }
}

@media (max-width: 640px){
  .teacher-submissions .subm-statusbar {
    min-width: 0;
  }
}

/* One Card */

/* ===========================
   Unit accordion = ONE card
   =========================== */

/* Ganze Einheit ist eine Card */
.unit-accordion{
  border-radius: var(--r-card);
  background: var(--surface-glass);              /* weich, integriert */
  border: 1px solid var(--border-glass);
  box-shadow: var(--shadow-tile-soft);
  overflow: hidden;                              /* damit Kanten sauber sind */
  margin: 0 0 1rem 0;                            /* Abstand nur zwischen Units */
}

/* Summary ist nur der Header-Bereich (kein eigener Shadow) */
.unit-row--summary{
  list-style: none;
  cursor: pointer;
  user-select: none;
  padding: 1rem 1.1rem;
  background: var(--surface-glass);
}

/* Marker ausblenden */
.unit-row--summary::-webkit-details-marker{ display:none; }

/* Grid innen: keine Linien mehr */
.unit-grid{
  display: grid;
  grid-template-columns: 1.4fr .6fr .9fr 1.1fr;  /* Modul | Datum | Status | Aktionen */
  gap: 1rem;
  align-items: center;
}

/* Die bisherigen Spaltentrenner entfernen */
.unit-grid .unit-cell{
  border-left: none;
}

/* Optional: wenn du bisher vertikale Trennlinien hattest */
.unit-cell + .unit-cell{
  border-left: none;
}


/* Detailbereich fließt direkt drunter */
.unit-details__box{
  margin: 0;                                     /* wichtig: keine Lücke */
  padding: .9rem 1.1rem 1.1rem;
  background: transparent;                        /* keine zweite Card */
  border-top: 1px solid color-mix(in srgb, var(--border-glass) 80%, transparent);
}

/* Inner table: keine Card Optik, nur content */
.submissions-table{
  width: 100%;
  border-collapse: collapse;
}

/* Zeilen-Linien sehr subtil oder aus */
.submissions-table td,
.submissions-table th{
  padding: .5rem .4rem;
  border-top: none;

}


/* Bulk Button: wirkt wie "Footer" der Card */
.unit-bulk{
  margin-top: .9rem;
}

/* Wenn du willst: Aktionen rechts bündig sauber */
.unit-cell--actions .sub-actions{
  display: flex;
  justify-content: flex-end;
  gap: .5rem;
  flex-wrap: wrap;
}




/* Toggle */
.toggle{
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  cursor: pointer;
  user-select: none;
}

.toggle input{
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

/* Track */
.toggle__track{
  width: 3.2rem;
  height: 1.6rem;
  border-radius: var(--r-pill);
  background: color-mix(in srgb, var(--btn) 65%, transparent);
  border: 1px solid var(--border-glass);
  position: relative;
  transition: background-color .18s ease, border-color .18s ease;
  box-shadow: var(--shadow-tile-soft);
}

/* Knob */
.toggle__track::after{
  content:"";
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 999px;
  background: var(--bcg-col);
  position: absolute;
  top: 50%;
  left: .1rem;
  transform: translateY(-50%);
  transition: left .18s ease;
  border: 1px solid color-mix(in srgb, var(--btn) 35%, transparent);
}

/* Checked state */
.toggle input:checked + .toggle__track{
  background: color-mix(in srgb, var(--btn-hover) 35%, var(--btn) 65%);
  border-color: color-mix(in srgb, var(--btn-hover) 35%, var(--border-glass));
}

.toggle input:checked + .toggle__track::after{
  left: 1.7rem;
}

/* Label text */
.toggle__label{
  font-weight: 600;
  font-size: .95rem;
  opacity: .9;
}

/* Focus */
.toggle input:focus-visible + .toggle__track{
  outline: none;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--btn-hover) 20%, transparent), var(--shadow-tile-soft);
}




/* ======= Role Icon ======== */

.role-icon {
  display: inline-flex;
  align-items: center;
  margin-left: 0.35rem;
  opacity: 0.65;
  transform: translateY(1px);
}

.role-icon svg {
  display: block;
}

.title-short a:hover .role-icon,
.title-long a:hover .role-icon {
  opacity: 0.9;
}

/* ===== Role Badge ===== */
.role-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.8rem;
  border-radius: var(--r-pill);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  border: 1px solid transparent;
  letter-spacing: 0.01em;
}

.role-badge svg {
  flex-shrink: 0;
}

.role-badge__name {
  font-weight: 600;
}

.role-badge__role {
  opacity: 0.7;
  font-weight: 400;
}

.role-badge__role::before {
  content: "·";
  margin-right: 0.4rem;
}

.role-badge--teacher {
  background: color-mix(in srgb, var(--btn) 30%, transparent);
  border-color: color-mix(in srgb, var(--btn) 55%, transparent);
  color: var(--text-color);
}

.darkmode .role-badge--teacher {
  background: color-mix(in srgb, var(--btn) 25%, transparent);
  border-color: color-mix(in srgb, var(--btn) 50%, transparent);
  color: var(--text-color);
}

.role-badge--student {
  background: color-mix(in srgb, var(--btn) 30%, transparent);
  border-color: color-mix(in srgb, var(--btn) 55%, transparent);
  color: var(--text-color);
}

/* In Navbar: Desktop only */
.role-badge-nav {
  display: flex;
  align-items: center;
}

@media (max-width: 765px) {
  .role-badge-nav {
    display: none;
  }
}

/* In Sidebar: oberstes Element nach Close-Button */
.sidebar-role-badge {
  display: flex;
  align-items: center;
  padding: 0.25rem 0.75rem 0.5rem;
}

.form-grid .materials-nav{
  background: transparent;
  border: 0;
  box-shadow: none;

  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  padding: 0;            /* <- wichtig */
  margin: 0;             /* <- wichtig */
}


/* --- Badges (Status) --- */
.badge {
  display: inline-block;
  margin-left: 0.5rem;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  font-size: 0.85rem;
  line-height: 1.2;
  vertical-align: middle;
  border: 1px solid transparent;
}

/* Offen: neutral */
.badge--open {
  background: var(--tags);
  color: var(--text-color);
}

/* In Korrektur: highlight */
.badge--submitted {
  background: var(--btn-hover);
  color: var(--bcg-col);
}

/* Korrigiert: positiv (falls du kein grün hast, nimm lecture-hover als “soft”) */
.badge--corrected {
  background: var(--lecture-hover);
  color: var(--text-color);
  border-color: var(--tags);
}

/* Gesperrt: stärkerer Kontrast */
.badge--locked {
  background: var(--text-color);
  color: var(--bcg-col);
}


/* ---- Abgabe-Datei-Liste (Detail) ---- */
.submission-file-list {
  list-style: none;
  padding: 0;
  margin: .75rem 0;
  display: flex;
  flex-direction: column;
  gap: .4rem;
}

.submission-file-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .5rem .75rem;
  border: 1px solid var(--border-glass);
  border-radius: var(--r-card);
  background: var(--surface-glass);
}

.submission-file-item__name {
  flex: 1;
  font-weight: 500;
}

.course-progress {
  margin: 0.75rem 0 1.25rem;
}

.course-progress__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 0.5rem;
}

.course-progress__label {
  opacity: 0.9;
}

.course-progress__percent { 
  opacity: 0.75; 
}

.course-progress__bar {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: var(--tags);
  overflow: hidden;
}

.course-progress__fill {
  height: 100%;
  background: var(--btn-hover);
  border-radius: 999px;
}


/* =========================================
   Teacher Submissions – Summary row layout
   passt zu deinem <summary> + .unit-grid
   ========================================= */

.teacher-submissions .unit-row--summary{
  list-style: none;
  cursor: pointer;
}

/* Safari/Chrome marker weg */
.teacher-submissions .unit-row--summary::-webkit-details-marker{ display: none; }

.teacher-submissions .unit-grid{
  display: grid;
  grid-template-columns: 1.4fr .7fr .8fr 1fr; /* Modul | Datum | Toggle | Aktionen */
  gap: .9rem;
  align-items: center;
}

/* Zellen dürfen schrumpfen (wichtig gegen overflow) */
.teacher-submissions .unit-cell{
  min-width: 0;
}

/* Modulblock: Text darf umbrechen/ellipsis */
.teacher-submissions .unit-title{
  font-weight: 700;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.teacher-submissions .unit-sub.muted{
  display: block;        /* erzwingt neue Zeile */
  margin-top: .25rem;
  line-height: 1.2;
  white-space: normal;
}

/* Actions nicht überbreit */
.teacher-submissions .unit-cell--actions .sub-actions{
  display: flex;
  justify-content: flex-end;
  gap: .5rem;
  flex-wrap: wrap;
}

.teacher-submissions .unit-cell--actions button{
  white-space: nowrap;
}

/* Toggle-Zelle: wrap erlaubt, damit label nicht rausläuft */
.teacher-submissions .unit-cell--status .toggle{
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  flex-wrap: wrap;
  min-width: 0;
}

/* =========================================
   Mobile – echte “Card”-Anordnung
   ========================================= */
@media (max-width: 640px){

  .teacher-submissions table{
    border-collapse: separate;
    border-spacing: 0 .7rem;
  }

  .teacher-submissions .unit-grid{
    grid-template-columns: 1fr;     /* alles untereinander */
    gap: .5rem;
    padding: .3rem;
  }

  /* Reihenfolge: Modul, Datum, Toggle, Button */
  .teacher-submissions .unit-cell--module{ order: 1; }
  .teacher-submissions .unit-cell--date{ order: 2; font-weight: 600; }
  .teacher-submissions .unit-cell--status{ order: 3; }
  .teacher-submissions .unit-cell--actions{ order: 4; }

  /* Titel darf auf Mobile umbrechen (kein Ellipsis-Zwang) */
  .teacher-submissions .unit-title{
    white-space: normal;
  }

  /* Toggle + Label sollen nicht aneinander kleben */
  .teacher-submissions .unit-cell--status .toggle__label{
    white-space: nowrap;
  }

  /* Button volle Breite, damit nix rausläuft */
  .teacher-submissions .unit-cell--actions .sub-actions{
    justify-content: stretch;
  }

  .teacher-submissions .unit-cell--actions a,
  .teacher-submissions .unit-cell--actions button{
    width: 100%;
  }

  .teacher-submissions .unit-cell--actions button{
    justify-content: center;
  }
}

/* ================================
   Schülerfortschritt – List View
   ================================ */

.student-table-wrap {
  overflow-x: auto;
}

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

.student-table thead th {
  text-align: left;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: color-mix(in srgb, var(--text-color) 55%, transparent);
  padding: 0 1rem 0.6rem;
  border-bottom: 1px solid var(--border-glass);
}

.student-table thead th.col-stat {
  text-align: center;
}

.student-row {
  cursor: pointer;
  border-radius: var(--r-card);
  transition: background 0.15s ease;
}

.student-row:hover td {
  background: var(--surface-glass-hover);
}

.student-row td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-glass);
  vertical-align: middle;
}

.student-row:last-child td {
  border-bottom: none;
}

.student-row td:first-child { border-radius: var(--r-card) 0 0 var(--r-card); }
.student-row td:last-child  { border-radius: 0 var(--r-card) var(--r-card) 0; }

.student-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.col-progress { width: 35%; min-width: 180px; }
.col-stat     { width: 10%; text-align: center; white-space: nowrap; }

.student-progress-cell {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.student-progress-label {
  font-size: 0.8rem;
  color: color-mix(in srgb, var(--text-color) 60%, transparent);
}

.stat-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.8rem;
  height: 1.8rem;
  border-radius: var(--r-pill);
  font-size: 0.85rem;
  font-weight: 600;
  background: color-mix(in srgb, var(--btn) 30%, transparent);
  color: color-mix(in srgb, var(--text-color) 70%, transparent);
  padding: 0 0.5rem;
}

.stat-num--open {
  background: color-mix(in srgb, var(--btn-hover) 18%, transparent);
  color: var(--btn-hover);
}

.stat-num--waiting {
  background: color-mix(in srgb, var(--btn) 45%, transparent);
  color: var(--text-color);
}

.stat-num--done {
  background: color-mix(in srgb, var(--accent-green) 20%, transparent);
  color: var(--accent-green);
}

.thead-meta th {
  padding-bottom: 0.2rem;
  border-bottom: none;
}

.thead-meta__label {
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  color: color-mix(in srgb, var(--text-color) 50%, transparent);
}

.thead-meta__hw {
  text-align: center;
}

/* Marker auf Fortschrittsbalken */
.course-progress__bar {
  position: relative;
}

.progress-marker {
  position: absolute;
  top: -3px;
  bottom: -3px;
  width: 2px;
  background: var(--text-color);
  border-radius: 1px;
  opacity: 0.35;
  transform: translateX(-50%);
  pointer-events: none;
}

/* ================================
   Schülerfortschritt – Detail View
   ================================ */

.progress-table {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.progress-table__head {
  display: grid;
  grid-template-columns: 1fr 9rem 9rem 9rem;
  gap: 0.75rem;
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
  opacity: 0.6;
  font-weight: 500;
}

.progress-table__row {
  display: grid;
  grid-template-columns: 1fr 9rem 9rem 9rem;
  gap: 0.75rem;
  align-items: center;
  background: var(--surface-glass);
  border-radius: var(--r-card);
  padding: 0.65rem 1rem;
  border: 1px solid var(--border-glass);
  transition: background 0.12s ease;
}

.progress-table__row--done {
  opacity: 0.65;
}

.progress-table__row:hover {
  background: var(--surface-glass-hover);
}

.progress-table__title a {
  text-decoration: none;
  color: inherit;
  font-weight: 500;
}

.progress-table__title a:hover {
  text-decoration: underline;
}

.progress-table__action form {
  display: flex;
  justify-content: flex-end;
}

.btn-sm {
  font-size: 0.85rem;
  padding: 0.3rem 0.65rem;
}

.btn-outline {
  background: transparent;
  border: 1px solid color-mix(in srgb, var(--btn) 40%, transparent);
  color: var(--text-color);
}

.btn-outline:hover {
  background: color-mix(in srgb, var(--btn) 12%, transparent);
}

@media (max-width: 700px) {
  .progress-table__head {
    display: none;
  }

  .progress-table__row {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
  }

  .progress-table__title {
    grid-column: 1 / -1;
  }

  .progress-table__action {
    grid-column: 1 / -1;
  }
}


.invite-link-row {
  display: flex;
  align-items: center;
  gap: .4rem;
}

.invite-link-input {
  flex: 1;
  font-size: .8rem;
  min-width: 0;
}

.form-row-inline {
  display: flex;
  gap: .75rem;
}

.form-col {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  flex: 1;
  min-width: 0;
}

.invite-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.invite-card__name {
  font-weight: 600;
  font-size: 1rem;
}

.glass-card {
  background: var(--surface-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--r-card);
  padding: 1.1rem 1.25rem;
  box-shadow: var(--shadow-tile-soft);
}