:root {
      --bg: #f4f6f8;
      --panel: #ffffff;
      --panel-2: #f8fafc;
      --text: #1f2937;
      --muted: #6b7280;
      --border: #e5e7eb;
      --accent: #2563eb;
      --accent-2: #dbeafe;
      --danger: #dc2626;
      --shadow: 0 8px 24px rgba(0,0,0,.06);
      --radius: 16px;
    }

    html[data-theme="dark"] {
      --bg: #0f172a;
      --panel: #111827;
      --panel-2: #172033;
      --text: #e5e7eb;
      --muted: #94a3b8;
      --border: #2a3548;
      --accent: #60a5fa;
      --accent-2: #1e3a5f;
      --danger: #f87171;
      --shadow: 0 8px 24px rgba(0,0,0,.22);
    }

    * { box-sizing: border-box; }
    body {
      margin: 0;
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      background: var(--bg);
      color: var(--text);
    }

    button, input, select { font: inherit; }

    .app {
      min-height: 100vh;
      display: grid;
      grid-template-rows: auto 1fr;
    }

    header {
      position: sticky;
      top: 0;
      z-index: 20;
      backdrop-filter: blur(12px);
      background: color-mix(in srgb, var(--bg) 88%, transparent);
      border-bottom: 1px solid var(--border);
    }

    .topbar {
      max-width: 1280px;
      margin: 0 auto;
      padding: 18px 20px;
      display: grid;
      grid-template-columns: minmax(220px, 1fr) minmax(280px, 520px) auto;
      gap: 14px;
      align-items: center;
    }

    .brand h1 {
      margin: 0;
      font-size: clamp(1.35rem, 2vw, 2rem);
      letter-spacing: -.02em;
    }

    .brand p {
      margin: 4px 0 0;
      color: var(--muted);
      font-size: .92rem;
    }

    .search-wrap {
      position: relative;
    }

    .search-wrap input {
      width: 100%;
      border: 1px solid var(--border);
      background: var(--panel);
      color: var(--text);
      border-radius: 12px;
      padding: 12px 42px 12px 14px;
      outline: none;
    }

    .search-wrap input:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
    }

    .search-icon {
      position: absolute;
      right: 13px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--muted);
    }

    .actions {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      justify-content: flex-end;
    }

    .btn {
      border: 1px solid var(--border);
      background: var(--panel);
      color: var(--text);
      border-radius: 10px;
      padding: 10px 12px;
      cursor: pointer;
      transition: .15s ease;
    }

    .btn:hover {
      transform: translateY(-1px);
      border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
    }

    .btn.primary {
      background: var(--accent);
      color: white;
      border-color: transparent;
    }

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

    main {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 26px 20px 50px;
    }

    .section-title {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 10px;
      margin: 0 0 14px;
    }

    .section-title h2 {
      margin: 0;
      font-size: 1.05rem;
    }

    .hint {
      color: var(--muted);
      font-size: .86rem;
    }

    .favorites {
      margin-bottom: 26px;
    }

    .cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  align-items: start;
}

    .category {
      background: var(--panel);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      overflow: hidden;
    }

    .category.drag-over {
      outline: 2px dashed var(--accent);
      outline-offset: 3px;
    }

    .category-header {
      padding: 14px 16px;
      display: flex;
      align-items: center;
      gap: 10px;
      border-bottom: 1px solid var(--border);
      background: var(--panel-2);
    }

    .category-title {
      flex: 1;
      min-width: 0;
      font-weight: 700;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .category-title span:last-child {
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .category-tools {
      display: flex;
      gap: 4px;
    }

    .icon-btn {
      border: 0;
      background: transparent;
      color: var(--muted);
      cursor: pointer;
      padding: 6px 7px;
      border-radius: 8px;
      line-height: 1;
    }

    .icon-btn:hover {
      background: var(--accent-2);
      color: var(--text);
    }

    .links {
      list-style: none;
      padding: 8px;
      margin: 0;
    }

    .link-item {
      display: grid;
      grid-template-columns: 32px minmax(0,1fr) auto;
      gap: 10px;
      align-items: center;
      padding: 9px;
      border-radius: 11px;
      cursor: grab;
    }

    .link-item:hover {
      background: var(--panel-2);
    }

    .link-item.dragging {
      opacity: .45;
    }

    .favicon {
      width: 28px;
      height: 28px;
      border-radius: 7px;
      background: var(--panel-2);
      border: 1px solid var(--border);
      object-fit: contain;
      padding: 3px;
    }

    .link-main {
      min-width: 0;
    }

    .link-main a {
      display: block;
      color: var(--text);
      text-decoration: none;
      font-weight: 650;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .link-main small {
      display: block;
      color: var(--muted);
      margin-top: 2px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .link-tools {
      display: flex;
      align-items: center;
      gap: 2px;
    }

    .star {
      color: #f59e0b;
    }

    .empty {
      padding: 18px;
      color: var(--muted);
      text-align: center;
      font-size: .92rem;
    }

    .hidden { display: none !important; }

    .modal-backdrop {
      position: fixed;
      inset: 0;
      z-index: 100;
      display: grid;
      place-items: center;
      background: rgba(15,23,42,.55);
      padding: 20px;
    }

    .modal {
      width: min(560px, 100%);
      background: var(--panel);
      color: var(--text);
      border: 1px solid var(--border);
      border-radius: 18px;
      box-shadow: 0 24px 70px rgba(0,0,0,.35);
      padding: 20px;
    }

    .modal h3 {
      margin: 0 0 18px;
    }

    .form-grid {
      display: grid;
      gap: 14px;
    }

    label {
      display: grid;
      gap: 6px;
      font-size: .9rem;
      color: var(--muted);
    }

    input, select {
      width: 100%;
      padding: 11px 12px;
      border-radius: 10px;
      border: 1px solid var(--border);
      background: var(--panel-2);
      color: var(--text);
      outline: none;
    }

    input:focus, select:focus {
      border-color: var(--accent);
    }

    .modal-actions {
      display: flex;
      justify-content: flex-end;
      gap: 8px;
      margin-top: 18px;
    }

    .toast {
      position: fixed;
      right: 20px;
      bottom: 20px;
      z-index: 200;
      background: var(--text);
      color: var(--bg);
      border-radius: 10px;
      padding: 10px 14px;
      box-shadow: var(--shadow);
      opacity: 0;
      transform: translateY(12px);
      pointer-events: none;
      transition: .2s ease;
      max-width: min(380px, calc(100vw - 40px));
    }

    .toast.show {
      opacity: 1;
      transform: translateY(0);
    }

    @media (max-width: 900px) {
      .topbar {
        grid-template-columns: 1fr;
      }
      .actions {
        justify-content: flex-start;
      }
    }

    @media (max-width: 560px) {
      .cards { grid-template-columns: 1fr; }
      main { padding-left: 12px; padding-right: 12px; }
      .topbar { padding-left: 12px; padding-right: 12px; }
      .btn { padding: 9px 10px; }
    }


/* Symbolauswahl */
.category-icon {
  font-size: 1.15rem;
  line-height: 1;
}

.link-visual {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
}

.emoji-icon {
  font-size: 1.35rem;
  line-height: 1;
}

.icon-field {
  display: grid;
  gap: 8px;
}

.icon-label {
  color: var(--muted);
  font-size: .9rem;
}

.icon-note {
  font-size: .78rem;
  opacity: .85;
}

.icon-picker {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(42px, 1fr));
  gap: 8px;
  max-height: 190px;
  overflow-y: auto;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel-2);
}

.icon-choice {
  min-width: 42px;
  height: 42px;
  padding: 0 6px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel);
  color: var(--text);
  font-size: 1.25rem;
  cursor: pointer;
  transition: .15s ease;
}

.icon-choice:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
}

.icon-choice.selected {
  border-color: var(--accent);
  background: var(--accent-2);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 18%, transparent);
}

.icon-choice[data-icon=""] {
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .02em;
}


/* Webseiten-Vorschauen */
.link-item {
  grid-template-columns: 124px minmax(0, 1fr) auto;
  align-items: center;
}

.link-preview {
  width: 124px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  display: grid;
  place-items: center;
}

.preview-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.link-preview.fallback {
  background: var(--panel-2);
}

.preview-emoji {
  font-size: 2rem;
  line-height: 1;
}

.preview-favicon {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

@media (max-width: 680px) {
  .link-item {
    grid-template-columns: 96px minmax(0, 1fr) auto;
  }

  .link-preview {
    width: 96px;
  }

  .link-tools {
    flex-direction: column;
  }
}

@media (max-width: 460px) {
  .link-item {
    grid-template-columns: 1fr auto;
  }

  .link-preview {
    display: none;
  }

  .link-main {
    grid-column: 1;
  }

  .link-tools {
    grid-column: 2;
    grid-row: 1;
  }
}


/* Breitere Kategorien: maximal zwei Spalten */
@media (max-width: 980px) {
  .cards {
    grid-template-columns: 1fr;
  }
}

/* Linktext bekommt auch bei langen Titeln zuverlässig Platz */
.link-main {
  min-width: 0;
}

.link-main a,
.link-main small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Auf sehr breiten Displays bleibt es bewusst bei zwei Kategorien */
@media (min-width: 1400px) {
  main,
  .topbar {
    max-width: 1440px;
  }
}


/* =========================================================
   Master-Detail-Layout: Kategorien links, Links rechts
   ========================================================= */

main {
  max-width: 1500px;
  padding-top: 22px;
}

.workspace {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

.sidebar {
  position: sticky;
  top: 108px;
  max-height: calc(100vh - 130px);
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.sidebar-head {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--panel);
  padding: 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar-head h2 {
  margin: 0;
  font-size: 1rem;
}

.sidebar-head small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
}

.category-nav {
  display: grid;
  gap: 6px;
  padding: 10px;
}

.category-nav-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 9px;
  align-items: center;
  width: 100%;
  padding: 10px;
  border: 1px solid transparent;
  border-radius: 11px;
  background: transparent;
  color: var(--text);
  text-align: left;
  cursor: pointer;
  transition: .15s ease;
}

.category-nav-item:hover {
  background: var(--panel-2);
}

.category-nav-item.active {
  background: var(--accent-2);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
}

.category-nav-item.drag-over {
  outline: 2px dashed var(--accent);
  outline-offset: -2px;
}

.category-nav-icon {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  font-size: 1.2rem;
  border-radius: 8px;
  background: var(--panel-2);
}

.category-nav-text {
  min-width: 0;
}

.category-nav-name {
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.category-nav-count {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: .76rem;
}

.category-nav-tools {
  display: flex;
  gap: 2px;
}

.content-panel {
  min-width: 0;
}

.content-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  padding: 4px 2px;
}

.content-head h2 {
  margin: 0;
  font-size: clamp(1.2rem, 2vw, 1.7rem);
}

.content-head p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: .9rem;
}

.link-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 16px;
}

.link-card {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 16px;
  align-items: stretch;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: .15s ease;
}

.link-card:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
}

.link-card.dragging {
  opacity: .45;
}

.link-card-preview {
  min-height: 126px;
  background: var(--panel-2);
  overflow: hidden;
  display: grid;
  place-items: center;
  border-right: 1px solid var(--border);
}

.link-card-preview img.preview-image {
  width: 100%;
  height: 100%;
  min-height: 126px;
  object-fit: cover;
}

.link-card-preview.fallback {
  min-height: 126px;
}

.link-card-preview .preview-emoji {
  font-size: 2.4rem;
}

.link-card-body {
  min-width: 0;
  padding: 15px 15px 13px 0;
  display: flex;
  flex-direction: column;
}

.link-card-title-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.link-card-title {
  min-width: 0;
  flex: 1;
}

.link-card-title a {
  display: block;
  color: var(--text);
  text-decoration: none;
  font-weight: 750;
  font-size: 1.05rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.link-card-description {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.4;
  font-size: .9rem;
}

.link-card-url {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: .78rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.link-card-actions {
  display: flex;
  gap: 4px;
  justify-content: flex-end;
  margin-top: auto;
  padding-top: 12px;
}

.content-empty {
  background: var(--panel);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  padding: 46px 20px;
  text-align: center;
  color: var(--muted);
}

@media (max-width: 1050px) {
  .workspace {
    grid-template-columns: 230px minmax(0, 1fr);
  }

  .link-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .workspace {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    max-height: none;
  }

  .category-nav {
    display: flex;
    overflow-x: auto;
    padding-bottom: 12px;
  }

  .category-nav-item {
    min-width: 190px;
  }

  .content-head {
    align-items: flex-start;
    flex-direction: column;
  }
}

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

  .link-card-preview {
    min-height: 170px;
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .link-card-preview img.preview-image {
    min-height: 170px;
  }

  .link-card-body {
    padding: 14px;
  }
}


/* Vorschaubild ist ebenfalls ein Link */
.link-card-preview {
  cursor: pointer;
}

.link-card-preview:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: -3px;
}

/* Technische Kombi-Symbole wie Rack, Switch, LAN, VPN usw. */
.icon-choice {
  font-size: 1.05rem;
  white-space: nowrap;
}
.category-nav-icon {
  font-size: 1rem;
  white-space: nowrap;
}


/* Fix: Symbole und technische Kürzel bleiben innerhalb ihrer Rahmen */
.icon-picker {
  grid-template-columns: repeat(auto-fill, minmax(48px, 1fr));
}

.icon-choice {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.icon-choice.compact {
  font-size: .68rem;
  font-weight: 750;
  letter-spacing: 0;
}

.category-nav-icon {
  width: 32px;
  min-width: 32px;
  max-width: 32px;
  overflow: hidden;
  white-space: nowrap;
  font-size: .78rem;
  line-height: 1;
  text-align: center;
}

.preview-emoji {
  max-width: 100%;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: 1.25rem !important;
  padding: 4px;
  text-align: center;
}

.link-card-preview .preview-emoji {
  max-width: calc(100% - 12px);
}

@media (max-width: 560px) {
  .icon-choice.compact {
    font-size: .64rem;
  }
}