:root {
  /* =====================================================================
     FARBPALETTE — VERBINDLICH · NICHT ENTFERNEN
     Diese Design-Variablen bilden die feste Palette des Projekts und
     dürfen NICHT gelöscht werden, auch wenn einzelne davon gerade nicht
     verwendet werden. (Quelle: Bootstrap-Variablen-Override.)
     ===================================================================== */
  --primary:   #322D55;
  --secondary: #6E6A85;
  --success:   #2E9E7A;
  --danger:    #A8323E;
  --warning:   #D9A441;
  --info:      #3D7A8A;
  --light:     #F4F3F7;
  --dark:      #191731;

  --body-color:   #23213A;
  --body-bg:      #FFFFFF;
  --border-color: #DDD9E4;
  --text-muted:   #8F8A9E;
  --link-color:   var(--primary);

  --font-sans: "Inter", system-ui, sans-serif;
  /* ============================ Ende Palette ============================ */

  /* ---------------------------------------------------------------------
     CORPORATE DESIGN — baut ausschließlich auf der Palette oben auf.
     Domainnamen als technische Adressen → monospace „Registry-Stimme".
     --------------------------------------------------------------------- */
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --radius:      12px;
  --radius-sm:   8px;
  --radius-pill: 999px;

  /* Semantische Oberflächen-Tokens (Theme: hell) */
  --bg:             #F7F6FA;
  --surface:        #FFFFFF;
  --surface-sunken: #F0EEF6;
  --surface-hover:  #ECEAF3;
  --border:         var(--border-color);
  --border-strong:  #C9C4D6;
  --text:           var(--body-color);
  --heading:        var(--dark);
  --muted:          var(--text-muted);

  --accent:         var(--primary);
  --accent-soft:    rgba(50, 45, 85, .08);
  --on-accent:      #FFFFFF;

  --brand-bg:       var(--dark);
  --brand-text:     #F4F3F7;
  --brand-muted:    #A6A1BC;
  --brand-line:     rgba(255, 255, 255, .10);

  --ring: rgba(50, 45, 85, .35);
  --shadow-sm: 0 1px 2px rgba(25, 23, 49, .05);
  --shadow-md: 0 1px 2px rgba(25, 23, 49, .05), 0 10px 30px -16px rgba(25, 23, 49, .30);
}

/* Standard-Theme ist IMMER hell (Basis-:root oben). Das dunkle Theme
   greift ausschließlich, wenn der Umschalter im Footer data-theme="dark"
   setzt — die OS-Präferenz wird bewusst NICHT automatisch übernommen. */
:root[data-theme="dark"] {
  --bg:             #131127;
  --surface:        #1C1937;
  --surface-sunken: #171530;
  --surface-hover:  #262247;
  --border:         #2F2A4E;
  --border-strong:  #3C3663;
  --text:           #E7E5F0;
  --heading:        #F4F3F7;
  --muted:          #9A94B0;
  --accent:         #9F98DB;
  --accent-soft:    rgba(159, 152, 219, .14);
  --on-accent:      #17152E;
  --brand-bg:       #0F0E22;
  --brand-text:     #F4F3F7;
  --brand-muted:    #A6A1BC;
  --brand-line:     rgba(255, 255, 255, .08);
  --ring: rgba(159, 152, 219, .45);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, .35);
  --shadow-md: 0 1px 2px rgba(0, 0, 0, .35), 0 14px 34px -18px rgba(0, 0, 0, .70);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--accent);
  color: var(--on-accent);
}

a { color: var(--link-color); }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ============================ Marken-Band ============================ */
.site-header {
  position: relative;
  overflow: hidden;
  padding: 2.75rem 1.5rem 2.5rem;
  text-align: center;
  background: var(--brand-bg);
  color: var(--brand-text);
}

/* Feines Punktraster — Anmutung eines Depot-/Register-Rasters */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--brand-line) 1px, transparent 1px);
  background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(120% 100% at 50% 0%, #000 40%, transparent 100%);
  mask-image: radial-gradient(120% 100% at 50% 0%, #000 40%, transparent 100%);
  pointer-events: none;
}

.brand {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  margin: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .10);
  border: 1px solid var(--brand-line);
  font-size: 1.05rem;
  color: var(--brand-text);
}

.brand-name {
  margin: 0;
  font-size: clamp(1.6rem, 5vw, 2rem);
  font-weight: 700;
  letter-spacing: -.03em;
  line-height: 1;
}

.brand-tagline {
  position: relative;
  margin: .9rem 0 0;
  font-size: .95rem;
  color: var(--brand-muted);
  text-wrap: balance;
}

/* ============================ Layout ============================ */
.container {
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
  padding: 0 1.5rem 1.5rem;
  flex: 1;
}

/* Schwebende, klebende Werkzeugleiste */
.toolbar {
  position: sticky;
  top: 0;
  z-index: 20;
  margin-inline: -1.5rem;
  padding: 1rem 1.5rem;
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: .85rem;
  align-items: center;
  justify-content: space-between;
}

.search {
  flex: 1 1 240px;
  min-width: 0;
  padding: .65rem .95rem;
  font-family: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  box-shadow: var(--shadow-sm);
  transition: border-color .15s ease, box-shadow .15s ease;
}

.search::placeholder { color: var(--muted); }

.search:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.filter {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .45rem .85rem;
  font-family: inherit;
  font-size: .875rem;
  font-weight: 500;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: color .15s ease, background-color .15s ease, border-color .15s ease;
}

.filter i {
  font-size: .9rem;
  color: var(--cat-color, var(--muted));
}

.filter:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
}

/* Aktiver Zustand immer im Marken-Akzent (kontrastsicherer Weiß-/On-Accent-Text),
   nicht im Kategorie-Ton — Gold/Grün würden Weißtext nicht tragen. */
.filter.is-active {
  color: var(--on-accent);
  background: var(--accent);
  border-color: var(--accent);
}

.filter.is-active i { color: var(--on-accent); }

.count {
  margin: 1.25rem 0 1.5rem;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .01em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* ============================ Kategorien ============================ */
.category {
  margin-bottom: 2.75rem;
}

.category-bar {
  display: flex;
  align-items: center;
  gap: .7rem;
  padding: .7rem 1rem;
  margin-bottom: 1rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--cat-color, var(--accent));
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.category-bar i {
  color: var(--cat-color, var(--accent));
  font-size: 1.05rem;
  width: 1.25rem;
  text-align: center;
}

.category-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--heading);
}

.category-count {
  margin-left: auto;
  padding: .2rem .6rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  font-weight: 500;
  color: var(--muted);
  background: var(--surface-sunken);
  border-radius: var(--radius-pill);
  font-variant-numeric: tabular-nums;
}

/* ============================ Karten-Raster ============================ */
.grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
  gap: 1rem;
}

.card {
  display: flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
}

.card:hover {
  border-color: var(--cat-color, var(--accent));
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Domains, die als Gruppe (mehrere TLDs) verfügbar sind */
.card.is-grouped {
  border-left: 3px solid var(--cat-color, var(--accent));
}

.card.is-highlight {
  border-color: var(--cat-color, var(--accent));
  box-shadow: 0 0 0 2px var(--cat-color, var(--accent)), var(--shadow-md);
}

.card-link {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: 1.1rem 1.15rem;
  color: inherit;
  text-decoration: none;
}

.card-name {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -.01em;
  color: var(--heading);
  word-break: break-all;
  transition: color .15s ease;
}

.card-link:hover .card-name {
  color: var(--cat-color, var(--accent));
}

.card-desc {
  margin: 0;
  color: var(--muted);
  font-size: .9rem;
}

.card-cta {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color .15s ease;
}

.card-cta i { transition: transform .15s ease; }

.card-link:hover .card-cta {
  color: var(--cat-color, var(--accent));
}

.card-link:hover .card-cta i {
  transform: translateX(3px);
}

.empty {
  text-align: center;
  color: var(--muted);
  padding: 3rem 0;
}

/* ============================ Fußzeile ============================ */
.site-footer {
  margin-top: auto;
  padding: 2.5rem 1.5rem;
  text-align: center;
  background: var(--brand-bg);
  color: var(--brand-muted);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--brand-text);
}

.footer-contact {
  margin: .85rem 0 .35rem;
  font-size: .9rem;
}

.footer-contact a {
  color: var(--brand-text);
  font-family: var(--font-mono);
  text-decoration: none;
  border-bottom: 1px solid var(--brand-line);
  transition: border-color .15s ease;
}

.footer-contact a:hover { border-color: var(--brand-text); }

.footer-legal {
  margin: 0;
  font-size: .8rem;
  color: var(--brand-muted);
  font-variant-numeric: tabular-nums;
}

/* Theme-Umschalter — sitzt auf dem dunklen Marken-Band, in beiden Themes */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin: 0 auto 1.25rem;
  padding: .5rem .95rem;
  font-family: inherit;
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--brand-text);
  background: rgba(255, 255, 255, .06);
  border: 1px solid var(--brand-line);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: background-color .15s ease, border-color .15s ease;
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, .12);
  border-color: rgba(255, 255, 255, .28);
}

.theme-toggle i {
  font-size: .9rem;
  color: var(--brand-muted);
}

/* ============================ Bewegung reduzieren ============================ */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  .card:hover { transform: none; }
  .card-link:hover .card-cta i { transform: none; }
}