/* BX-Talk theme — angelehnt an ppwr-konform.de: warmes Kraftpapier statt Weiß,
   Space Grotesk (Überschriften) + Inter (Fließtext) + IBM Plex Mono (Labels/Buttons),
   gestrichelte Ränder, harte Versatz-Schatten statt weicher Blur-Schatten. */

:root {
  --bx-paper: #F5F1E8;
  --bx-paper-dark: #EDE6D6;
  --bx-kraft: #A9784F;
  --bx-kraft-dark: #8A5F3B;
  --bx-ink: #1F2421;
  --bx-ink-70: rgba(31, 36, 33, .7);
  --bx-band: #E8622C;
  --bx-green: #4F7942;
  --bx-border: #D8CBB8;
  --bx-radius: 3px;
  --font-display: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
}

body {
  font-family: var(--font-body);
  background-color: var(--bx-paper);
  color: var(--bx-ink);
  /* sehr dezente Kraftpapier-Textur */
  background-image: radial-gradient(circle at 1px 1px, rgba(31, 36, 33, .045) 1px, transparent 0);
  background-size: 22px 22px;
}

h1, h2, h3, h4, h5, h6, .card-title {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--bx-ink);
  letter-spacing: -0.01em;
}

/* Navbar */
.bx-navbar {
  background: var(--bx-paper);
  border-bottom: 2px dashed var(--bx-border);
}
.bx-logo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bx-kraft);
  display: inline-block;
}
/* Warnbox: für unumkehrbare Konsequenzen (z.B. Passphrase-Verlust bei E2EE = Datenverlust) -
   bewusst auffälliger als normale Hinweistexte, damit sie nicht überlesen wird. */
.bx-warning-box {
  border: 2px dashed var(--bx-band);
  background: rgba(232, 98, 44, .08);
  border-radius: var(--bx-radius);
  padding: .75rem .9rem;
  font-size: .82rem;
  color: var(--bx-ink);
}

/* "Stempel"-Badge: wie ein handgestempeltes Echtheits-/Sicherheitssiegel */
.bx-badge-soft {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  border: 2px solid var(--bx-green);
  color: var(--bx-green);
  background: transparent;
  padding: .35rem .8rem;
  border-radius: 999px;
  transform: rotate(-4deg);
  display: inline-block;
}

/* Cards: weißer "Aufkleber" mit hartem Versatz-Schatten auf dem Kraftpapier-Hintergrund */
.bx-card {
  border: 2px dashed var(--bx-border);
  border-radius: var(--bx-radius);
  box-shadow: 4px 4px 0 var(--bx-kraft);
  background: #fff;
}

/* Drag & Drop: aktive Zielfläche beim Drüberziehen einer Datei */
.bx-dropzone-active {
  outline: 3px dashed var(--bx-band);
  outline-offset: 4px;
  background: var(--bx-paper-dark);
  border-radius: var(--bx-radius);
  transition: outline-color .15s, background-color .15s;
}
.bx-icon-badge {
  width: 44px;
  height: 44px;
  border-radius: var(--bx-radius);
  background: var(--bx-paper-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}
.bx-eyebrow {
  font-family: var(--font-mono);
  color: var(--bx-ink-70);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .1em;
}

/* Buttons: gestempelte Versandlabel-Optik — Mono, Großbuchstaben, Ink -> Band beim Hover */
.btn-bx-primary {
  background: var(--bx-ink);
  border: 2px solid var(--bx-ink);
  color: var(--bx-paper);
  font-family: var(--font-mono);
  font-size: .85rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: .7rem 1.4rem;
  border-radius: var(--bx-radius);
  transition: transform .15s ease, background-color .15s ease, border-color .15s ease;
}
.btn-bx-primary:hover, .btn-bx-primary:focus {
  background: var(--bx-band);
  border-color: var(--bx-band);
  color: #fff;
  transform: translateY(-1px);
}
.btn-bx-outline {
  background: transparent;
  border: 2px dashed var(--bx-ink);
  color: var(--bx-ink);
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  border-radius: var(--bx-radius);
}
.btn-bx-outline:hover {
  background: transparent;
  border-color: var(--bx-band);
  color: var(--bx-band);
}
.btn-bx-outline.active {
  background: var(--bx-ink);
  border: 2px solid var(--bx-ink);
  color: var(--bx-paper);
}

/* Forms */
.form-control, .form-select {
  font-family: var(--font-body);
  border: 2px solid var(--bx-border);
  border-radius: var(--bx-radius);
  background: #fff;
  color: var(--bx-ink);
}
.form-control:focus, .form-select:focus {
  border-color: var(--bx-kraft);
  box-shadow: 0 0 0 3px rgba(169, 120, 79, .18);
}
.form-floating > label {
  font-family: var(--font-body);
  color: var(--bx-ink-70);
}

/* Chat window */
.bx-chat-window {
  height: 420px;
  overflow-y: auto;
  background: #fff;
  border: 2px dashed var(--bx-border);
  border-radius: var(--bx-radius);
  padding: 1rem;
}
.bx-chat-window > div {
  background: var(--bx-paper-dark);
  border-radius: var(--bx-radius);
  padding: .6rem .95rem;
  margin-bottom: .6rem;
  max-width: 85%;
  font-size: .925rem;
  line-height: 1.4;
}
.bx-chat-window:empty::before {
  content: "Noch keine Nachrichten — sende die erste verschlüsselte Nachricht.";
  color: var(--bx-ink-70);
  font-size: .9rem;
}
.bx-bubble-own {
  background: var(--bx-ink) !important;
  color: var(--bx-paper) !important;
  margin-left: auto;
}
.bx-bubble-meta {
  font-family: var(--font-mono);
  font-size: .68rem;
  opacity: .65;
  display: block;
  margin-bottom: .2rem;
  letter-spacing: .03em;
}

/* Chat-Liste */
.bx-list-item {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  border-radius: var(--bx-radius);
  padding: .5rem .6rem;
  font-family: var(--font-body);
  color: var(--bx-ink);
  cursor: pointer;
}
.bx-list-item:hover {
  background: var(--bx-paper-dark);
}
.bx-list-item.active {
  background: var(--bx-ink);
  color: var(--bx-paper);
}
.bx-list-item + .bx-list-item {
  margin-top: .15rem;
}

/* Auswahl-Chips (Neuer Chat / Mitglied hinzufügen) */
.bx-chip {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .03em;
  border: 2px dashed var(--bx-kraft);
  color: var(--bx-kraft-dark);
  border-radius: 999px;
  padding: .25rem .6rem;
}
.bx-chip button {
  background: none;
  border: none;
  color: inherit;
  line-height: 1;
  padding: 0;
  font-size: .9rem;
}

/* Medien-Raster (Punkte) */
.bx-media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: .75rem;
}
.bx-media-item {
  border: 2px dashed var(--bx-border);
  border-radius: var(--bx-radius);
  background: #fff;
  overflow: hidden;
  text-decoration: none;
  color: var(--bx-ink);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  font-family: var(--font-mono);
  font-size: .68rem;
  text-align: center;
  padding: .4rem;
  gap: .3rem;
}
.bx-media-item:hover {
  border-color: var(--bx-kraft);
}
.bx-media-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.bx-media-item .bx-media-icon {
  font-size: 1.8rem;
}
.bx-media-item img {
  cursor: zoom-in;
}

/* Breite Kachel für Audio-/MIDI-Player im Noten-Raster (Liederbuch): braucht Platz für
   Bedienelemente statt eines quadratischen Vorschaubilds. */
.bx-media-item.bx-media-item-wide {
  grid-column: 1 / -1;
  aspect-ratio: auto;
  align-items: stretch;
  padding: .6rem .75rem;
}
.bx-media-item.bx-media-item-wide audio,
.bx-media-item.bx-media-item-wide midi-player {
  width: 100%;
}

/* Lightbox: Bild aus dem Raster groß anzeigen (Vorschau-Kacheln sind zum Lesen zu klein) */
.bx-lightbox {
  position: fixed;
  inset: 0;
  background: rgba(31, 36, 33, .92);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 2rem;
  cursor: zoom-out;
}
.bx-lightbox img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  box-shadow: 4px 4px 0 var(--bx-kraft);
  border-radius: var(--bx-radius);
  cursor: default;
  background: #fff;
}
.bx-lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  background: var(--bx-paper);
  border: 2px solid var(--bx-ink);
  border-radius: 999px;
  width: 40px;
  height: 40px;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--bx-ink);
  font-family: var(--font-mono);
}

.bx-payload-box {
  font-family: var(--font-mono);
  font-size: .82rem;
  background: var(--bx-paper-dark);
  border: 2px dashed var(--bx-border);
  border-radius: var(--bx-radius);
}

/* Schlüssel-Zeremonie: Zeichenfeld zum Erzeugen des Passphrase-Vorschlags per Maus/Finger */
.bx-ceremony-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  grid-template-rows: repeat(8, 1fr);
  width: 3cm;
  height: 3cm;
  border: 2px dashed var(--bx-border);
  border-radius: var(--bx-radius);
  overflow: hidden;
  background: #fff;
  cursor: crosshair;
  user-select: none;
  touch-action: none;
}
.bx-ceremony-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--bx-ink-70);
  transition: background .15s, color .15s;
}
.bx-ceremony-cell.bx-ceremony-pick {
  background: var(--bx-band);
  color: #fff;
}
.bx-ceremony .progress {
  background-color: var(--bx-paper-dark);
}
.bx-ceremony .progress-bar {
  background-color: var(--bx-band) !important;
}
.bx-ceremony-hint {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .03em;
}

footer.bx-footer {
  font-family: var(--font-mono);
  color: var(--bx-ink-70);
  font-size: .75rem;
  letter-spacing: .03em;
}

/* ===== Mobile-freundliche Menüführung ===== */

/* Aktueller Bereich in der Kopfzeile (zwischen Logo und ⋮-Menü) */
.bx-section-label {
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--bx-ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ⋮-Menü */
.bx-menu-dropdown {
  position: absolute;
  top: calc(100% + .4rem);
  right: 0;
  background: #fff;
  border: 2px dashed var(--bx-border);
  border-radius: var(--bx-radius);
  box-shadow: 4px 4px 0 var(--bx-kraft);
  min-width: 180px;
  z-index: 1100;
  padding: .4rem;
}
.bx-menu-item {
  display: block;
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  border-radius: var(--bx-radius);
  padding: .5rem .6rem;
  font-family: var(--font-body);
  font-size: .85rem;
  color: var(--bx-ink);
  cursor: pointer;
}
.bx-menu-item:hover {
  background: var(--bx-paper-dark);
}
.bx-menu-item-static {
  cursor: default;
  font-family: var(--font-mono);
  font-size: .72rem;
  border-bottom: 1px dashed var(--bx-border);
  margin-bottom: .3rem;
  padding-bottom: .6rem;
}
.bx-menu-item-static:hover {
  background: none;
}

/* Generisches zentriertes Modal-Overlay (Info-Fenster etc.) */
.bx-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(31, 36, 33, .55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1900;
  padding: 1rem;
}
.bx-modal-card {
  max-width: 420px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
}

/* Navigationsleiste (Chats/Punkte/Global/Liederbuch): Position per Einstellungen wählbar */
.bx-bottom-nav {
  display: flex;
  background: #fff;
  z-index: 1000;
}
/* Variante "unten": fixiert am unteren Rand, v. a. für Handy-Bedienung per Daumen */
.bx-bottom-nav.bx-nav-bottom {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  border-top: 2px dashed var(--bx-border);
  padding-bottom: env(safe-area-inset-bottom, 0);
}
/* Variante "oben": direkt unter dem Header, v. a. für Desktop-Bedienung per Maus */
.bx-bottom-nav.bx-nav-top {
  position: static;
  border-bottom: 2px dashed var(--bx-border);
}
.bx-bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .15rem;
  background: none;
  border: 0;
  padding: .5rem 0 .4rem;
  font-family: var(--font-mono);
  color: var(--bx-ink-70);
}
.bx-bottom-nav-item span {
  font-size: 1.25rem;
  line-height: 1;
}
.bx-bottom-nav-item small {
  font-size: .62rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.bx-bottom-nav-item.active {
  color: var(--bx-band);
}

/* Ungelesen-Punkt: sowohl in der Navigation (absolut über dem Icon) als auch inline
   in Listen (z.B. Chat-Liste) nutzbar. */
.bx-nav-item-icon {
  position: relative;
  display: inline-block;
}
.bx-unread-dot {
  display: inline-block;
  width: .5rem;
  height: .5rem;
  border-radius: 50%;
  background: var(--bx-band);
}
.bx-nav-item-icon .bx-unread-dot {
  position: absolute;
  top: -.1rem;
  right: -.4rem;
}
.bx-list-item .bx-unread-dot {
  margin-left: .4rem;
  vertical-align: middle;
}

/* Platz für die Bottom-Navigation lassen, damit Inhalte nicht darunter verschwinden */
body.bx-has-bottom-nav {
  padding-bottom: 64px;
}

/* Mobile: Liste ODER Detail anzeigen, nie beide gleichzeitig (spart Scrollen).
   Ab lg-Breakpoint (wie gehabt) stehen Liste und Detail nebeneinander. */
@media (max-width: 991.98px) {
  .bx-master-detail.bx-detail-open .bx-md-list {
    display: none;
  }
  .bx-master-detail:not(.bx-detail-open) .bx-md-detail {
    display: none;
  }
}