/* ==========================================================================
   BookPlay Backend — Theme
   Design system: DESIGN.md (Kraken-Struktur) × BookPlay-Branding × BookSense-Look
   - Eine kommandierende Markenfarbe (Lila), weiße Flächen, 12px-Radius,
     flüsterleise Schatten, Amifer-Typo. Lokal, keine externen Requests (DSGVO).
   - Recolort Bootstrap 5.3 global + Komponenten-Feinschliff im BookSense-Stil.
   ========================================================================== */

/* ------------------------------------------------------------------ Fonts */
@font-face {
  font-family: "Amifer";
  src: url("../fonts/fonnts.com-Amifer_Regular.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Amifer";
  src: url("../fonts/fonnts.com-Amifer_Medium.otf") format("opentype");
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Amifer";
  src: url("../fonts/fonnts.com-Amifer_Bold.otf") format("opentype");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Amifer";
  src: url("../fonts/fonnts.com-Amifer_ExtraBold.otf") format("opentype");
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

/* ----------------------------------------------------------------- Tokens */
:root {
  /* Brand — Lila */
  --bp-brand: #821cd9;
  --bp-brand-hover: #6e16ba;
  --bp-brand-active: #5a1199;
  --bp-brand-subtle: rgba(130, 28, 217, 0.12);
  --bp-brand-subtle-text: #6e16ba;
  --bp-brand-rgb: 130, 28, 217;

  /* Success — Mint */
  --bp-success: #78c7ad;
  --bp-success-hover: #5fb397;
  --bp-success-active: #4c9c81;
  --bp-success-subtle: rgba(120, 200, 173, 0.18);
  --bp-success-subtle-text: #2f7d63;
  --bp-success-rgb: 120, 200, 173;

  /* Warning / Highlight — Gelb */
  --bp-warning: #fad485;
  --bp-warning-hover: #f4c75f;
  --bp-warning-active: #e9b53c;
  --bp-warning-subtle: rgba(250, 212, 133, 0.28);
  --bp-warning-subtle-text: #8a6516;
  --bp-warning-rgb: 250, 212, 133;

  /* Danger — kontrolliertes Rot */
  --bp-danger: #e5484d;
  --bp-danger-hover: #d23b40;
  --bp-danger-subtle: rgba(229, 72, 77, 0.12);
  --bp-danger-subtle-text: #b42318;
  --bp-danger-rgb: 229, 72, 77;

  /* Ink / Text */
  --bp-ink: #101114;
  --bp-ink-muted: #5a5e6b;
  --bp-ink-subtle: #9497a9;

  /* Linien & Flächen */
  --bp-line: #e4e4eb;
  --bp-line-strong: #d2d3dc;
  --bp-surface: #ffffff;
  --bp-surface-2: #f7f8fa;
  --bp-surface-3: #eff0f4;

  /* Radien */
  --bp-radius-btn: 12px;
  --bp-radius-card: 16px;
  --bp-radius-badge: 8px;
  --bp-radius-chip: 6px;

  /* Schatten (flüsterleise) */
  --bp-shadow-micro: 0 1px 4px rgba(16, 24, 40, 0.04);
  --bp-shadow-card: 0 1px 2px rgba(16, 24, 40, 0.04), 0 4px 24px rgba(0, 0, 0, 0.03);
  --bp-shadow-pop: 0 8px 28px rgba(16, 24, 40, 0.1);

  /* Typo */
  --bp-font: "Amifer", "Helvetica Neue", Helvetica, Arial, sans-serif;

  /* Brand-Gradient (Login-Panel) */
  --bp-brand-gradient: radial-gradient(120% 120% at 0% 0%, #9b3cf0 0%, #821cd9 45%, #5a1199 100%);
}

/* ----------------------------------------- Bootstrap-Variablen-Overrides */
:root,
[data-bs-theme="light"] {
  --bs-font-sans-serif: var(--bp-font);
  --bs-body-font-family: var(--bp-font);
  --bs-body-color: var(--bp-ink);
  --bs-body-color-rgb: 16, 17, 20;
  --bs-body-bg: var(--bp-surface-2);
  --bs-body-bg-rgb: 247, 248, 250;
  --bs-emphasis-color: var(--bp-ink);
  --bs-secondary-color: var(--bp-ink-muted);
  --bs-tertiary-color: var(--bp-ink-subtle);
  --bs-tertiary-bg: var(--bp-surface-3);

  --bs-border-color: var(--bp-line);
  --bs-border-color-translucent: var(--bp-line);
  --bs-border-radius: var(--bp-radius-btn);
  --bs-border-radius-sm: 10px;
  --bs-border-radius-lg: var(--bp-radius-card);
  --bs-border-radius-xl: 20px;
  --bs-border-radius-2xl: 24px;

  --bs-primary: var(--bp-brand);
  --bs-primary-rgb: var(--bp-brand-rgb);
  --bs-primary-text-emphasis: var(--bp-brand-active);
  --bs-primary-bg-subtle: var(--bp-brand-subtle);
  --bs-primary-border-subtle: rgba(var(--bp-brand-rgb), 0.3);

  --bs-link-color: var(--bp-brand);
  --bs-link-color-rgb: var(--bp-brand-rgb);
  --bs-link-hover-color: var(--bp-brand-hover);
  --bs-link-hover-color-rgb: 110, 22, 186;

  --bs-success: var(--bp-success);
  --bs-success-rgb: var(--bp-success-rgb);
  --bs-warning: var(--bp-warning);
  --bs-warning-rgb: var(--bp-warning-rgb);
  --bs-danger: var(--bp-danger);
  --bs-danger-rgb: var(--bp-danger-rgb);

  --bs-secondary-bg: var(--bp-surface-3);
  --bs-yellow: var(--bp-warning);
}

/* -------------------------------------------------------------- Basis */
html,
body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--bp-font);
  color: var(--bp-ink);
  background-color: var(--bp-surface-2);
}

/* App-Shell: Platz für die fixe Navbar */
body.bp-app {
  padding-top: 60px;
}

/* Auth-/Ergebnis-/Fehlerseiten (ohne Navbar) */
body.bp-auth-body {
  min-height: 100vh;
  background-color: var(--bp-surface-2);
}

h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: var(--bp-font);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--bp-ink);
}

h1, .h1 { letter-spacing: -0.02em; }

main h1:first-child,
.bp-page-title {
  margin-bottom: 1.25rem;
}

a {
  text-decoration: none;
  color: var(--bp-brand);
}
a:hover { color: var(--bp-brand-hover); }

::selection {
  background: var(--bp-brand-subtle);
  color: var(--bp-brand-active);
}

/* Dezente Scrollbars */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--bp-line-strong) transparent;
}
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb {
  background: var(--bp-line-strong);
  border-radius: 9999px;
  border: 3px solid transparent;
  background-clip: content-box;
}

/* Lucide-Icons */
.bp-icon {
  display: inline-block;
  vertical-align: -0.18em;
  flex: none;
  stroke: currentColor;
}

/* -------------------------------------------------------------- Buttons */
.btn {
  --bs-btn-border-radius: var(--bp-radius-btn);
  font-weight: 700;
  border-radius: var(--bp-radius-btn);
  transition: transform 0.15s ease, background-color 0.15s ease,
    box-shadow 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(var(--bp-brand-rgb), 0.3);
}

.btn-primary {
  --bs-btn-bg: var(--bp-brand);
  --bs-btn-border-color: var(--bp-brand);
  --bs-btn-color: #fff;
  --bs-btn-hover-bg: var(--bp-brand-hover);
  --bs-btn-hover-border-color: var(--bp-brand-hover);
  --bs-btn-hover-color: #fff;
  --bs-btn-active-bg: var(--bp-brand-active);
  --bs-btn-active-border-color: var(--bp-brand-active);
  --bs-btn-active-color: #fff;
  --bs-btn-disabled-bg: var(--bp-brand);
  --bs-btn-disabled-border-color: var(--bp-brand);
  --bs-btn-disabled-color: #fff;
  box-shadow: var(--bp-shadow-micro);
}

.btn-outline-primary {
  --bs-btn-color: var(--bp-brand);
  --bs-btn-border-color: rgba(var(--bp-brand-rgb), 0.4);
  --bs-btn-hover-bg: var(--bp-brand-subtle);
  --bs-btn-hover-border-color: var(--bp-brand);
  --bs-btn-hover-color: var(--bp-brand-active);
  --bs-btn-active-bg: var(--bp-brand);
  --bs-btn-active-border-color: var(--bp-brand);
  --bs-btn-active-color: #fff;
}

.btn-secondary {
  --bs-btn-bg: var(--bp-surface-3);
  --bs-btn-border-color: var(--bp-surface-3);
  --bs-btn-color: var(--bp-ink);
  --bs-btn-hover-bg: #e6e8ee;
  --bs-btn-hover-border-color: #e6e8ee;
  --bs-btn-hover-color: var(--bp-ink);
  --bs-btn-active-bg: #dfe2e9;
  --bs-btn-active-border-color: #dfe2e9;
  --bs-btn-active-color: var(--bp-ink);
  --bs-btn-disabled-bg: var(--bp-surface-3);
  --bs-btn-disabled-border-color: var(--bp-surface-3);
  --bs-btn-disabled-color: var(--bp-ink-subtle);
}

.btn-success {
  --bs-btn-bg: var(--bp-success);
  --bs-btn-border-color: var(--bp-success);
  --bs-btn-color: #0c3a2c;
  --bs-btn-hover-bg: var(--bp-success-hover);
  --bs-btn-hover-border-color: var(--bp-success-hover);
  --bs-btn-hover-color: #0c3a2c;
  --bs-btn-active-bg: var(--bp-success-active);
  --bs-btn-active-border-color: var(--bp-success-active);
}

.btn-danger {
  --bs-btn-bg: var(--bp-danger);
  --bs-btn-border-color: var(--bp-danger);
  --bs-btn-color: #fff;
  --bs-btn-hover-bg: var(--bp-danger-hover);
  --bs-btn-hover-border-color: var(--bp-danger-hover);
  --bs-btn-active-bg: var(--bp-danger-hover);
}
.btn-outline-danger {
  --bs-btn-color: var(--bp-danger);
  --bs-btn-border-color: rgba(var(--bp-danger-rgb), 0.4);
  --bs-btn-hover-bg: var(--bp-danger);
  --bs-btn-hover-border-color: var(--bp-danger);
  --bs-btn-hover-color: #fff;
}

/* Brand-subtle Button (DESIGN.md „Purple Subtle") */
.btn-brand-subtle {
  --bs-btn-bg: var(--bp-brand-subtle);
  --bs-btn-border-color: transparent;
  --bs-btn-color: var(--bp-brand-subtle-text);
  --bs-btn-hover-bg: rgba(var(--bp-brand-rgb), 0.2);
  --bs-btn-hover-border-color: transparent;
  --bs-btn-hover-color: var(--bp-brand-active);
}

.btn-link {
  --bs-btn-color: var(--bp-brand);
  --bs-btn-hover-color: var(--bp-brand-hover);
  font-weight: 600;
}

/* btn-check Filter (Buch-Status) */
.btn-check:checked + .btn-outline-primary {
  background-color: var(--bp-brand);
  border-color: var(--bp-brand);
  color: #fff;
}

/* ---------------------------------------------------------------- Forms */
.form-control,
.form-select {
  border-color: var(--bp-line);
  border-radius: var(--bp-radius-btn);
  color: var(--bp-ink);
  background-color: var(--bp-surface);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.form-control::placeholder { color: var(--bp-ink-subtle); }
.form-control:focus,
.form-select:focus {
  border-color: var(--bp-brand);
  box-shadow: 0 0 0 3px rgba(var(--bp-brand-rgb), 0.18);
}
.form-label {
  font-weight: 600;
  color: var(--bp-ink);
  margin-bottom: 0.375rem;
}
.form-text { color: var(--bp-ink-subtle); }

.form-floating > label { color: var(--bp-ink-subtle); }

.input-group-text {
  background-color: var(--bp-surface-3);
  border-color: var(--bp-line);
  color: var(--bp-ink-muted);
}
.bp-pw-toggle { cursor: pointer; }
.bp-pw-toggle:hover { color: var(--bp-ink); }
.bp-pw-toggle .bp-pw-off { display: none; }
.bp-pw-toggle.bp-show .bp-pw-on { display: none; }
.bp-pw-toggle.bp-show .bp-pw-off { display: inline-block; }

.form-check-input:checked {
  background-color: var(--bp-brand);
  border-color: var(--bp-brand);
}
.form-check-input:focus {
  border-color: var(--bp-brand);
  box-shadow: 0 0 0 3px rgba(var(--bp-brand-rgb), 0.18);
}

/* ------------------------------------------- Such-/Filterleisten (Übersichten) */
/* .sr-only fehlt in der vendored Bootstrap-5-CSS (war BS4) → wiederherstellen,
   sonst werden „versteckte" Filter-Labels sichtbar und gequetscht. */
.sr-only {
  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;
}

/* Verbundene „-sm"-Suchgruppe → separate, abgerundete, vollwertige Controls (DESIGN.md) */
.input-group-sm {
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}
.input-group-sm > .form-control,
.input-group-sm > .form-select,
.input-group-sm > .btn {
  border-radius: var(--bp-radius-btn) !important;
  margin-left: 0 !important;
  min-height: 44px;
  font-size: 0.95rem;
  padding: 0.5rem 0.9rem;
}
.input-group-sm > .form-control { flex: 1 1 16rem; min-width: 12rem; width: auto; }
.input-group-sm > .form-select { flex: 0 1 auto; width: auto; min-width: 11rem; padding-right: 2.25rem; }
.input-group-sm > .btn { flex: 0 0 auto; padding-left: 1.1rem; padding-right: 1.1rem; }

/* Suchkarte: Luft zwischen Titel, Filtern und Feldern */
.card-body > h2:first-child,
.card-body > .h4:first-child { margin-bottom: 1rem; }
.card-body > form .row + .input-group-sm { margin-top: 1.1rem; }

/* ---------------------------------------------------------------- Cards */
.card {
  --bs-card-border-color: var(--bp-line);
  --bs-card-border-radius: var(--bp-radius-card);
  --bs-card-inner-border-radius: calc(var(--bp-radius-card) - 1px);
  --bs-card-bg: var(--bp-surface);
  --bs-card-cap-bg: var(--bp-surface);
  border-radius: var(--bp-radius-card);
  box-shadow: var(--bp-shadow-card);
}
.card-header {
  border-bottom-color: var(--bp-line);
  font-weight: 700;
}
.card-footer {
  background-color: var(--bp-surface);
  border-top-color: var(--bp-line);
}
.card-title { font-weight: 800; letter-spacing: -0.01em; }

/* card-group im neuen Look: echte Lücken statt zusammengeklebter Karten */
.card-group {
  gap: 1rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.card-group > .card {
  border-radius: var(--bp-radius-card) !important;
}

/* --------------------------------------------------------------- Tables */
.table {
  --bs-table-bg: var(--bp-surface);
  --bs-table-color: var(--bp-ink);
  --bs-table-border-color: var(--bp-line);
  --bs-table-striped-bg: var(--bp-surface-2);
  --bs-table-striped-color: var(--bp-ink);
  --bs-table-hover-bg: var(--bp-brand-subtle);
  --bs-table-hover-color: var(--bp-ink);
  vertical-align: middle;
}
.table > thead {
  --bs-table-color: var(--bp-ink-muted);
}
.table > thead th {
  font-weight: 700;
  text-transform: none;
  border-bottom: 2px solid var(--bp-line);
  color: var(--bp-ink-muted);
  white-space: nowrap;
}
/* Tabellen in eine Card-artige Hülle setzen.
   WICHTIG: kein overflow:hidden — das würde Zeilen-Dropdowns („Aktionen") abschneiden.
   Runde Ecken kommen über den abgerundeten Tabellen-Hintergrund + Eck-Zellen. */
.table-striped {
  border-radius: var(--bp-radius-card);
  box-shadow: var(--bp-shadow-card);
  border: 1px solid var(--bp-line);
  background: var(--bp-surface);
  border-collapse: separate;
  border-spacing: 0;
}
.table-striped > thead > tr:first-child > *:first-child { border-top-left-radius: var(--bp-radius-card); }
.table-striped > thead > tr:first-child > *:last-child { border-top-right-radius: var(--bp-radius-card); }
.table-striped > tbody > tr:last-child > *:first-child { border-bottom-left-radius: var(--bp-radius-card); }
.table-striped > tbody > tr:last-child > *:last-child { border-bottom-right-radius: var(--bp-radius-card); }
/* Dropdown-Menüs in Tabellenzeilen über allem rendern */
.table-striped .dropdown-menu { z-index: 1030; }
.table-striped > :not(caption) > * > * { padding: 0.7rem 0.85rem; }

/* --------------------------------------------------------------- Badges */
.badge {
  font-weight: 700;
  border-radius: var(--bp-radius-badge);
  padding: 0.35em 0.6em;
}
.text-bg-warning,
.bg-warning {
  background-color: var(--bp-warning) !important;
  color: var(--bp-warning-subtle-text) !important;
}
.bg-secondary { background-color: var(--bp-surface-3) !important; color: var(--bp-ink-muted) !important; }
.text-bg-success { background-color: var(--bp-success) !important; color: #0c3a2c !important; }
.bg-success { background-color: var(--bp-success) !important; }

/* Semantische Text-Utilities an Brand angleichen */
.text-primary { color: var(--bp-brand) !important; }
.text-success { color: var(--bp-success-subtle-text) !important; }
.text-danger { color: var(--bp-danger-subtle-text) !important; }
.text-muted { color: var(--bp-ink-subtle) !important; }
.text-dark { color: var(--bp-ink) !important; }
.link-primary { color: var(--bp-brand) !important; }

/* Status-Chips (für „Aktiv/Inaktiv" o.ä., optional nutzbar) */
.bp-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8125rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: var(--bp-radius-chip);
}
.bp-chip-success { background: var(--bp-success-subtle); color: var(--bp-success-subtle-text); }
.bp-chip-warning { background: var(--bp-warning-subtle); color: var(--bp-warning-subtle-text); }
.bp-chip-danger { background: var(--bp-danger-subtle); color: var(--bp-danger-subtle-text); }
.bp-chip-neutral { background: var(--bp-surface-3); color: var(--bp-ink-muted); }

/* ------------------------------------------------------------ Dropdowns */
.dropdown-menu {
  --bs-dropdown-border-color: var(--bp-line);
  --bs-dropdown-border-radius: 14px;
  --bs-dropdown-link-active-bg: var(--bp-brand-subtle);
  --bs-dropdown-link-active-color: var(--bp-brand-active);
  --bs-dropdown-link-hover-bg: var(--bp-surface-3);
  --bs-dropdown-link-color: var(--bp-ink-muted);
  border-radius: 14px;
  box-shadow: var(--bp-shadow-pop);
  padding: 0.375rem;
  animation: bp-fade-in-up 0.16s ease both;
}
.dropdown-item {
  border-radius: 9px;
  font-weight: 600;
  padding: 0.5rem 0.65rem;
}
.dropdown-item.text-danger:hover {
  background-color: var(--bp-danger-subtle);
  color: var(--bp-danger-subtle-text) !important;
}
.dropdown-item.text-success:hover {
  background-color: var(--bp-success-subtle);
  color: var(--bp-success-subtle-text) !important;
}
.dropdown-divider { border-top-color: var(--bp-line); }

/* --------------------------------------------------------------- Alerts */
.alert {
  --bs-alert-border-radius: 14px;
  border: 1px solid transparent;
  border-radius: 14px;
  font-weight: 500;
}
.alert-success { background-color: var(--bp-success-subtle); color: var(--bp-success-subtle-text); border-color: rgba(var(--bp-success-rgb), 0.4); }
.alert-danger,
.alert-error { background-color: var(--bp-danger-subtle); color: var(--bp-danger-subtle-text); border-color: rgba(var(--bp-danger-rgb), 0.35); }
.alert-warning { background-color: var(--bp-warning-subtle); color: var(--bp-warning-subtle-text); border-color: rgba(var(--bp-warning-rgb), 0.6); }
.alert-info,
.alert-primary { background-color: var(--bp-brand-subtle); color: var(--bp-brand-subtle-text); border-color: rgba(var(--bp-brand-rgb), 0.25); }

/* --------------------------------------------------------------- Navbar */
.navbar.fixed-top {
  background-color: var(--bp-surface) !important;
  border-bottom: 1px solid var(--bp-line);
  box-shadow: var(--bp-shadow-micro);
  min-height: 60px;
  padding-top: 0.4rem;
  padding-bottom: 0.4rem;
}
.navbar .navbar-brand img { height: 34px; width: auto; }
.navbar .nav-link {
  --bs-nav-link-color: var(--bp-ink-muted);
  --bs-nav-link-hover-color: var(--bp-ink);
  font-weight: 600;
  color: var(--bp-ink-muted);
  border-radius: 10px;
  padding: 0.45rem 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.navbar .navbar-nav .nav-link:hover {
  background-color: var(--bp-surface-3);
  color: var(--bp-ink);
}
.navbar .navbar-nav .nav-link.active {
  background-color: var(--bp-brand-subtle);
  color: var(--bp-brand-subtle-text);
}
.navbar .nav-item.text-muted .nav-link {
  color: var(--bp-ink-subtle);
  font-weight: 500;
}
.navbar .nav-item.text-muted .nav-link:hover { background-color: transparent; }
.navbar .dropdown-toggle::after { margin-left: 0.4rem; }

/* -------------------------------------------------------------- Sidebar */
#wrapper { min-height: calc(100vh - 60px); }
#sidebar-wrapper {
  width: 264px;
  flex: 0 0 264px;
  background-color: var(--bp-surface);
  border-right: 1px solid var(--bp-line);
  min-height: calc(100vh - 60px);
}
#page-content-wrapper {
  flex: 1 1 auto;
  min-width: 0;
}
#sidebar-wrapper .bp-sidebar-nav {
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
/* Sidebar-Einträge (bestehende list-group-Items im neuen Look) */
#sidebar-wrapper .list-group-item {
  border: 0;
  border-radius: var(--bp-radius-btn);
  padding: 0.6rem 0.75rem;
  font-weight: 600;
  font-size: 0.925rem;
  color: var(--bp-ink-muted);
  background: transparent;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  position: relative;
  transition: background-color 0.15s ease, color 0.15s ease;
}
#sidebar-wrapper .list-group-item .bp-icon { color: var(--bp-ink-subtle); transition: color 0.15s ease; }
#sidebar-wrapper a.list-group-item:hover {
  background-color: var(--bp-surface-3);
  color: var(--bp-ink);
}
#sidebar-wrapper a.list-group-item:hover .bp-icon { color: var(--bp-ink-muted); }
#sidebar-wrapper a.list-group-item.active {
  background-color: var(--bp-brand-subtle);
  color: var(--bp-brand-subtle-text);
}
#sidebar-wrapper a.list-group-item.active .bp-icon { color: var(--bp-brand); }
#sidebar-wrapper a.list-group-item.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  border-radius: 0 9999px 9999px 0;
  background: var(--bp-brand);
}
/* Abschnitts-Label */
#sidebar-wrapper .list-group-item.bp-sidebar-section,
#sidebar-wrapper .list-group-item.bg-light {
  background: transparent !important;
  color: var(--bp-ink-subtle);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.7rem;
  font-weight: 800;
  padding: 0.9rem 0.75rem 0.35rem;
  pointer-events: none;
}
#sidebar-wrapper .list-group-item.bp-sidebar-section .bp-icon { display: none; }

/* --------------------------------------------------------------- Modals */
.modal-content {
  border: 1px solid var(--bp-line);
  border-radius: var(--bp-radius-card);
  box-shadow: var(--bp-shadow-pop);
}
.modal-header {
  border-bottom-color: var(--bp-line);
  padding: 1.1rem 1.25rem;
}
.modal-title { font-weight: 800; }
.modal-body { padding: 1.25rem; }
.modal-backdrop.show { opacity: 0.4; }
.modal.fade .modal-dialog { transition: none; }
.modal.show .modal-dialog { animation: bp-pop-in 0.32s cubic-bezier(0.2, 0.6, 0.2, 1) both; }
.btn-close:focus { box-shadow: 0 0 0 3px rgba(var(--bp-brand-rgb), 0.3); }

/* ---------------------------------------------------------- nav-pills */
.nav-pills {
  --bs-nav-pills-border-radius: var(--bp-radius-btn);
  --bs-nav-pills-link-active-bg: var(--bp-brand);
  --bs-nav-pills-link-active-color: #fff;
  gap: 0.35rem;
}
.nav-pills .nav-link {
  color: var(--bp-ink-muted);
  font-weight: 700;
  border-radius: var(--bp-radius-btn);
}
.nav-pills .nav-link:hover { background-color: var(--bp-surface-3); color: var(--bp-ink); }
.nav-pills .nav-link.active { background-color: var(--bp-brand); color: #fff; }

/* ---------------------------------------------------------- KPI-Cards */
.bp-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(282px, 1fr));
  gap: 1rem;
}
.bp-kpi.card { transition: transform 0.15s ease, box-shadow 0.15s ease; }
.bp-kpi.card:hover { transform: translateY(-2px); box-shadow: var(--bp-shadow-pop); }
.bp-kpi .card-body { padding: 1.25rem 1.35rem; }
.bp-kpi-head {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  color: var(--bp-ink-muted);
  font-size: 0.95rem;
}
.bp-kpi-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--bp-brand-subtle);
  color: var(--bp-brand);
}
.bp-kpi-value {
  font-family: var(--bp-font);
  font-weight: 800;
  font-size: 2.1rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0.65rem 0 0.85rem;
  color: var(--bp-ink);
}
.bp-kpi-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; }
.bp-kpi-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.875rem;
  color: var(--bp-ink-muted);
  border-top: 1px solid var(--bp-line);
  padding: 0.4rem 0;
}
.bp-kpi-list li:last-child { padding-bottom: 0; }
.bp-kpi-num { font-weight: 700; color: var(--bp-ink); }
.bp-kpi-foot { display: flex; flex-wrap: wrap; gap: 0.25rem 1.1rem; }
.bp-kpi-foot a { font-size: 0.85rem; font-weight: 600; }

/* ----------------------------------------------------------- Animations */
@keyframes bp-pop-in {
  0% { transform: scale(0.92); opacity: 0; }
  60% { transform: scale(1.01); opacity: 1; }
  100% { transform: none; }
}
@keyframes bp-fade-in-up {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes bp-shake-x {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-5px); }
  40%, 80% { transform: translateX(5px); }
}

.bp-fade-in-up { animation: bp-fade-in-up 0.3s ease both; }
.bp-shake-x { animation: bp-shake-x 0.35s ease-in-out both; }

/* Sanft eingeblendeter Hauptinhalt */
#page-content-wrapper main,
.bp-fade-content { animation: bp-fade-in-up 0.28s ease both; }

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .btn:hover { transform: none; }
}

/* ---------------------------------------------------------------------------
   Breite Tabellen: horizontal scrollbar + angeheftete Aktionsspalte.

   Vorher lief eine breite Tabelle einfach aus dem Viewport: bei schmalem Fenster
   war die Aktionsspalte unerreichbar, ohne dass etwas darauf hinwies. Der Wrapper
   scrollt jetzt selbst (statt der Seite), und die letzte Spalte bleibt rechts
   stehen — bewusst durchgehend auf --bp-surface statt gestreift, damit sie klar
   als fixierte Ebene über dem Inhalt liegt und nicht wie eine kaputte Zeile.
   --------------------------------------------------------------------------- */
.bp-table-scroll {
  overflow-x: auto;
  /* Sonst schneidet overflow-x das offene Dropdown der Aktionsspalte ab. */
  overflow-y: visible;
  -webkit-overflow-scrolling: touch;
}

.bp-table-sticky-actions > thead > tr > th:last-child,
.bp-table-sticky-actions > tbody > tr > td:last-child {
  position: sticky;
  right: 0;
  z-index: 2;
  background-color: var(--bp-surface);
  border-left: 1px solid var(--bp-line);
  box-shadow: -8px 0 16px -12px rgba(16, 24, 40, 0.18);
}

.bp-table-sticky-actions > thead > tr > th:last-child {
  z-index: 3;
  background-color: var(--bp-surface-2);
}

/* Ohne Überlauf braucht es weder Kante noch Schatten — sonst sieht eine schmale
   Tabelle nach abgeschnittenem Inhalt aus, den es gar nicht gibt. */
@media (min-width: 1400px) {
  .bp-table-sticky-actions > thead > tr > th:last-child,
  .bp-table-sticky-actions > tbody > tr > td:last-child {
    box-shadow: none;
  }
}

/* ---------------------------------------------------------------------------
   Hilfe-Tooltip an Formularlabels: ein kleines "?" das auf Hover UND Fokus
   erklärt, was ein Feld bewirkt.

   Bewusst reines CSS statt Bootstrap-Tooltip: deren JS wird im Projekt nirgends
   initialisiert, ein Tooltip der nur manchmal erscheint wäre schlimmer als keiner.
   Farben/Radien/Schatten aus DESIGN.md.
   --------------------------------------------------------------------------- */
.bp-help {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  margin-left: 6px;
  border-radius: 50%;
  background-color: var(--bp-surface-3);
  color: var(--bp-ink-muted);
  font-size: 11px;
  font-weight: 700;
  line-height: 1;
  cursor: help;
  vertical-align: middle;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.bp-help:hover,
.bp-help:focus-visible {
  background-color: var(--bp-brand-subtle);
  color: var(--bp-brand);
  outline: none;
}

.bp-help > .bp-help-bubble {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  width: max-content;
  max-width: 280px;
  padding: 10px 12px;
  border: 1px solid var(--bp-line);
  border-radius: 8px;
  background-color: var(--bp-surface);
  box-shadow: var(--bp-shadow-pop);
  color: var(--bp-ink);
  font-size: 12px;
  font-weight: 400;
  line-height: 1.45;
  text-align: left;
  white-space: normal;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s ease, visibility 0.15s ease;
}

.bp-help:hover > .bp-help-bubble,
.bp-help:focus-visible > .bp-help-bubble {
  opacity: 1;
  visibility: visible;
}

/* Am linken Rand nach rechts ausrichten, damit die Bubble nicht abgeschnitten wird. */
.bp-help.bp-help-start > .bp-help-bubble {
  left: 0;
  transform: none;
}

/* ---------------------------------------------------------------------------
   Einspruchs-Detail: aufklappbare Lese-Sitzung.

   Der Debug-Snapshot als ein großer JSON-Block beantwortet keine Frage schnell.
   Die Kennzahlen stehen deshalb als Raster über dem Transkript, das als eigener
   Block lesbar bleibt statt in einer Tabellenzelle zu zerlaufen.
   --------------------------------------------------------------------------- */
.bp-session-detail {
  padding: 16px 20px 20px;
  background-color: var(--bp-surface-2);
  border-top: 1px solid var(--bp-line);
}

.bp-session-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px 24px;
  margin-bottom: 16px;
}

.bp-session-label {
  display: block;
  margin-bottom: 2px;
  color: var(--bp-ink-subtle);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.bp-session-transcript {
  max-height: 260px;
  margin: 4px 0 8px;
  padding: 12px 14px;
  overflow: auto;
  border: 1px solid var(--bp-line);
  border-radius: 8px;
  background-color: var(--bp-surface);
  color: var(--bp-ink);
  font-size: 13px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Die Detailzeile darf die Zebra-Streifen der Tabelle nicht mitnehmen. */
.ac-session-detail > td { background-color: transparent !important; }

/* ---------------------------------------------------------------------------
   Dashboard-Charts (server-gerendert, reines CSS).

   Kein Chart-Framework: das Dashboard ist Jinja + Bootstrap ohne Build-Schritt,
   eine JS-Bibliothek dafuer hiesse CDN-Abruf oder ein Bundle, das gepflegt werden
   muss. Balken wachsen beim Laden gestaffelt hoch — die Verzoegerung kommt aus
   --bp-bar-index, damit die Reihenfolge lesbar bleibt statt alles gleichzeitig
   zu springen.
   --------------------------------------------------------------------------- */
.bp-chart { display: flex; flex-direction: column; gap: 8px; }

.bp-chart-bars {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: var(--bp-chart-height, 140px);
}

.bp-chart-bar-wrap { flex: 1 1 0; height: 100%; display: flex; align-items: flex-end; }

.bp-chart-bar {
  width: 100%;
  min-height: 2px;
  height: var(--bp-bar-height, 0%);
  border-radius: 3px 3px 0 0;
  background: var(--bp-brand);
  opacity: 0.85;
  transform-origin: bottom;
  animation: bp-bar-grow 0.5s cubic-bezier(0.2, 0.6, 0.2, 1) both;
  animation-delay: calc(var(--bp-bar-index, 0) * 18ms);
  transition: opacity 0.15s ease;
}

.bp-chart-bar-wrap:hover .bp-chart-bar { opacity: 1; }

.bp-chart-axis {
  display: flex;
  justify-content: space-between;
  color: var(--bp-ink-subtle);
  font-size: 11px;
  font-weight: 700;
}

.bp-chart-empty {
  margin: 0;
  padding: 24px 0;
  color: var(--bp-ink-subtle);
  font-size: 14px;
  font-weight: 500;
  text-align: center;
}

@keyframes bp-bar-grow { from { transform: scaleY(0); } to { transform: scaleY(1); } }

/* Rangliste mit wachsendem Balken — fuer Top-Coupons / Top-Partner. */
.bp-ranked { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }

.bp-ranked-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 5px;
}

.bp-ranked-label { font-size: 14px; font-weight: 700; color: var(--bp-ink); }
.bp-ranked-sub { display: block; font-size: 12px; font-weight: 500; color: var(--bp-ink-muted); }
.bp-ranked-value { font-size: 14px; font-weight: 700; color: var(--bp-ink); font-variant-numeric: tabular-nums; }

.bp-ranked-track { height: 6px; border-radius: 999px; background: var(--bp-surface-3); overflow: hidden; }

.bp-ranked-fill {
  height: 100%;
  width: var(--bp-bar-width, 0%);
  border-radius: 999px;
  background: var(--bp-brand);
  transform-origin: left;
  animation: bp-bar-slide 0.5s cubic-bezier(0.2, 0.6, 0.2, 1) both;
  animation-delay: calc(var(--bp-bar-index, 0) * 60ms);
}

@keyframes bp-bar-slide { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* Zahlenblock innerhalb einer Chart-Karte. */
.bp-stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 16px 20px;
  margin-bottom: 18px;
}

.bp-stat { display: flex; flex-direction: column; gap: 2px; }
.bp-stat-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--bp-ink-subtle); }
.bp-stat-value { font-size: 24px; font-weight: 800; line-height: 1.15; color: var(--bp-ink); font-variant-numeric: tabular-nums; }
.bp-stat-hint { font-size: 12px; font-weight: 500; color: var(--bp-ink-muted); }

/* ---------------------------------------------------------------------------
   PDF-Import: Textauszug in der Vorschau.

   Reiner Extraktions-Text, umbruchgetreu und scrollbar in einem eigenen Block —
   damit ein Reviewer sofort sieht, ob die PDF sauber ausgelesen wurde oder ob
   Spalten/Silbentrennung den Text zerlegt haben.
   --------------------------------------------------------------------------- */
.bp-pdf-excerpt {
  max-height: 240px;
  margin: 4px 0 8px;
  padding: 12px 14px;
  overflow: auto;
  border: 1px solid var(--bp-line);
  border-radius: 8px;
  background-color: var(--bp-surface-2);
  color: var(--bp-ink);
  font-size: 13px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ---------------------------------------------------------------------------
   Bestätigungs-Modal (ersetzt das native confirm()). Bootstrap-Modal-Gerüst,
   Optik nach DESIGN.md — Karten-Radius, weicher Schatten, Amifer-Titel.
   --------------------------------------------------------------------------- */
.bp-modal {
  border: none;
  border-radius: 16px;
  box-shadow: var(--bp-shadow-pop);
  overflow: hidden;
}

.bp-modal-header {
  border-bottom: 1px solid var(--bp-line);
  padding: 18px 22px;
}

.bp-modal-title {
  margin: 0;
  font-family: var(--bp-font);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--bp-ink);
}

.bp-modal-body {
  padding: 20px 22px;
  color: var(--bp-ink-muted);
  font-size: 15px;
  line-height: 1.5;
}

.bp-modal-footer {
  border-top: 1px solid var(--bp-line);
  padding: 14px 22px;
  gap: 8px;
}

/* Der Bestätigen-Button während des Submits: kein Doppel-Klick mehr. */
.bp-btn-loading {
  position: relative;
  pointer-events: none;
  opacity: 0.85;
}

.bp-btn-loading::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-right: 8px;
  vertical-align: -2px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: bp-spin 0.6s linear infinite;
}

@keyframes bp-spin { to { transform: rotate(360deg); } }

/* ---------------------------------------------------------------------------
   Breite, lange Tabellen: Scrollleiste und Blaettern immer erreichbar
   ---------------------------------------------------------------------------
   Ausgangsproblem: Bei 100 Zeilen lagen die horizontale Scrollleiste UND das
   Blaettern am Seitenende — man musste erst komplett runterscrollen, um ueberhaupt
   nach rechts scrollen oder umblaettern zu koennen.

   position:sticky half hier nicht: ein sticky Element braucht Inhalt unterhalb, an
   dem es "vorbeiscrollen" kann. Als letztes Element im <main> hat die Leiste diesen
   Spielraum nicht und bleibt wirkungslos.

   Loesung: die Tabelle scrollt in einer Box, deren Hoehe an den Viewport gebunden
   ist (per JS gesetzt, siehe table_tools.html). Damit sitzen ihre eigene
   Scrollleiste und die Fussleiste direkt darunter immer im Bild, ganz ohne
   Positionierungstricks.
   --------------------------------------------------------------------------- */
.bp-table-scroll {
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  /* Fallback, falls das JS nicht laeuft — nie hoeher als der Bildschirm. */
  max-height: calc(100vh - 320px);
  min-height: 240px;
  border-bottom: 1px solid var(--bp-line);
}

/* Kopfzeile bleibt beim Scrollen in der Box stehen — ohne sie waere die
   gebundene Hoehe eine Verschlechterung. */
.bp-table-scroll > table > thead > tr > th {
  position: sticky;
  top: 0;
  z-index: 4;
  background-color: var(--bp-surface-2);
}

.bp-table-footbar {
  background: var(--bp-surface);
  border-top: 1px solid var(--bp-line);
  padding: 10px 12px;
  margin: 0 -12px;
}

/* Device-Token: die Spalte hat die Tabelle frueher auseinandergezogen, weil der
   komplette FCM-Token (150+ Zeichen) in der Zelle stand. Jetzt nur ein Icon. */
.bp-token-cell { width: 1%; white-space: nowrap; }
.bp-token-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  padding: 0;
  border: 1px solid var(--bp-line);
  border-radius: 8px;
  background: var(--bp-surface);
  color: var(--bp-ink-subtle);
  cursor: pointer;
}
.bp-token-btn:hover { color: var(--bp-brand); border-color: var(--bp-brand); }
.bp-token-btn svg { width: 16px; height: 16px; }

/* Token im Modal: umbrechend und monospace, sonst sprengt er den Dialog. */
.bp-token-value {
  display: block;
  padding: 12px 14px;
  border: 1px solid var(--bp-line);
  border-radius: 12px;
  background: var(--bp-surface-2);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.5;
  color: var(--bp-ink);
  word-break: break-all;
  max-height: 220px;
  overflow-y: auto;
}

/* Offenes Aktions-Dropdown muss ueber den folgenden Zeilen liegen. Die sticky
   Aktionsspalte gibt jeder Zelle denselben z-index, sonst gewinnt die naechste
   Zeile schlicht durch ihre spaetere Position im Dokument. */
.bp-table-sticky-actions > tbody > tr > td:last-child.bp-dropdown-open {
  z-index: 30;
}