@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
  * { margin: 0; padding: 0; box-sizing: border-box; }
  /*
   * Theme-CSS-Variablen ([data-theme="…"]) werden server-seitig in admin.php
   * aus der kanonischen Palette (backend/config/themes.php) generiert.
   * Hier bewusst KEINE hartcodierten Themes mehr (Single Source of Truth).
   */
  body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg); color: var(--text);
    line-height: 1.5; min-height: 100vh;
  }
  .container { max-width: 1140px; margin: 0 auto; padding: 2rem 1.5rem; }

  /* Login */
  .login-wrap {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh;
  }
  .login-box {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 16px; padding: 2.5rem; width: 100%; max-width: 380px;
  }
  .login-box h1 {
    font-size: 1.5rem; font-weight: 700; text-align: center; margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  }

  /* Forms */
  .form-group { margin-bottom: 1rem; }
  .form-group label {
    display: block; font-size: 0.8rem; font-weight: 600;
    color: var(--muted); margin-bottom: 0.25rem; text-transform: uppercase;
    letter-spacing: 0.04em;
  }
  input, select, textarea {
    width: 100%; padding: 0.6rem 0.75rem; background: var(--surface);
    border: 1px solid var(--border); border-radius: 8px; color: var(--text);
    font-family: inherit; font-size: 0.9rem; outline: none;
    transition: border-color 0.2s;
  }
  input:focus, select:focus, textarea:focus { border-color: var(--accent); }
  textarea { resize: vertical; min-height: 60px; }
  .form-hint { font-size: 0.7rem; color: var(--muted); margin-top: 0.15rem; }
  select {
    cursor: pointer; appearance: none; -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 0.75rem center;
    padding-right: 2rem;
  }
  select[multiple] {
    background-image: none; padding-right: 0.75rem;
  }
  select option {
    background: var(--surface); color: var(--text); padding: 0.3rem;
  }

  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
    padding: 0.6rem 1.25rem; border-radius: 8px; border: none;
    font-family: inherit; font-size: 0.875rem; font-weight: 600;
    cursor: pointer; transition: transform 0.15s, box-shadow 0.15s;
    text-decoration: none;
  }
  .btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.3); }
  .btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent2)); color: var(--bg);
    width: 100%;
  }
  .btn-sm { padding: 0.4rem 0.75rem; font-size: 0.8rem; width: auto; }
  .btn-success { background: var(--success); color: var(--bg); }
  .btn-danger { background: var(--danger); color: var(--bg); }
  .brand { display: flex; align-items: center; gap: 0.75rem; }
  .brand-logo { height: 92px; width: auto; display: block; }
  .brand-login { flex-direction: column; gap: 0.7rem; margin-bottom: 1.25rem; }
  .brand-login .brand-logo { height: 80px; }
  .env-chip { display: inline-block; padding: 0.2rem 0.7rem; border-radius: 999px;
    font-size: 0.72rem; font-weight: 700; letter-spacing: 0.03em; white-space: nowrap; }
  .env-dev { background: rgba(34,197,94,0.15); color: #22c55e; border: 1px solid rgba(34,197,94,0.5); }
  .env-prod { background: rgba(245,158,11,0.15); color: #f59e0b; border: 1px solid rgba(245,158,11,0.6); }
  .btn-secondary { background: var(--card-alt); color: var(--text); border: 1px solid var(--border); }
  .btn-warning { background: var(--xp); color: var(--bg); }

  .checkbox-row {
    display: flex; align-items: center; gap: 0.6rem; margin-bottom: 1rem;
  }
  .checkbox-row input[type="checkbox"] {
    width: 18px; height: 18px; flex-shrink: 0;
    appearance: none; -webkit-appearance: none;
    background: var(--surface); border: 2px solid var(--border); border-radius: 4px;
    cursor: pointer; position: relative; transition: all 0.15s;
  }
  .checkbox-row input[type="checkbox"]:checked {
    background: var(--accent); border-color: var(--accent);
  }
  .checkbox-row input[type="checkbox"]:checked::after {
    content: ''; position: absolute; left: 4px; top: 1px;
    width: 6px; height: 10px;
    border: solid var(--bg); border-width: 0 2px 2px 0;
    transform: rotate(45deg);
  }
  .checkbox-row input[type="checkbox"]:focus-visible {
    outline: 2px solid var(--accent); outline-offset: 2px;
  }
  .checkbox-row label {
    margin: 0; text-transform: none; font-size: 0.85rem; color: var(--text); cursor: pointer;
  }

  /* Header */
  .admin-header {
    display: flex; align-items: center; justify-content: space-between;
    padding-bottom: 1.5rem; margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
  }
  .admin-header h1 {
    font-size: 1.5rem; font-weight: 700;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  }
  .admin-header .user-info {
    font-size: 0.85rem; color: var(--muted);
    display: flex; align-items: center; gap: 1rem;
  }

  /* Tabs */
  .tabs {
    display: flex; gap: 0.25rem; margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border); padding-bottom: 0;
    flex-wrap: wrap;
  }
  .tab {
    padding: 0.6rem 1rem; font-size: 0.85rem; font-weight: 600;
    color: var(--muted); cursor: pointer; border: none; background: none;
    border-bottom: 2px solid transparent; transition: color 0.2s;
    font-family: inherit;
  }
  .tab:hover { color: var(--text); }
  .tab.active { color: var(--accent); border-bottom-color: var(--accent); }
  .tab-panel { display: none; }
  .tab-panel.active { display: block; }

  /* Level-2 sub-tabs (segmented control, groups Quests / Erfolge / System) */
  .l2-tabs {
    display: inline-flex; gap: 0.2rem; margin-bottom: 1.5rem; flex-wrap: wrap;
    padding: 0.25rem; background: var(--surface);
    border: 1px solid var(--border); border-radius: 8px;
  }
  .l2-tab {
    padding: 0.45rem 1rem; font-size: 0.82rem; font-weight: 600;
    color: var(--muted); cursor: pointer; background: none; border: none;
    border-radius: 6px; transition: color 0.2s, background 0.2s;
    font-family: inherit;
  }
  .l2-tab:hover { color: var(--text); }
  .l2-tab.active { color: var(--accent); background: var(--card); }
  .l2-panel { display: none; }
  .l2-panel.active { display: block; }

  /* Sub-tabs (pill style, within a panel) */
  .subtabs { display: flex; gap: 0.4rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
  .subtab {
    padding: 0.4rem 0.9rem; font-size: 0.8rem; font-weight: 600;
    color: var(--muted); cursor: pointer; background: none;
    border: 1px solid var(--border); border-radius: 999px;
    transition: color 0.2s, background 0.2s, border-color 0.2s; font-family: inherit;
  }
  .subtab:hover { color: var(--text); }
  .subtab.active { color: var(--accent); border-color: var(--accent); background: rgba(96,165,250,0.12); }
  .subtab-panel { display: none; }
  .subtab-panel.active { display: block; }

  /* Group selector — single inline row; all controls share one baseline. */
  .group-bar {
    display: flex; align-items: center; gap: 0.75rem;
    margin-bottom: 1.5rem; flex-wrap: wrap;
  }
  .group-bar-label {
    font-size: 0.8rem; font-weight: 600; color: var(--muted);
    text-transform: uppercase; letter-spacing: 0.04em;
  }
  /* Compact dropdown matching the theme select in the header. */
  .group-bar select {
    width: auto; max-width: 260px; font-size: 0.8rem;
  }
  .group-bar .role-badge {
    font-size: 0.75rem; font-weight: 600; padding: 0.2rem 0.6rem;
    border-radius: 999px;
  }
  .role-admin { background: rgba(96,165,250,0.2); color: var(--accent); }
  .role-member { background: rgba(122,139,165,0.2); color: var(--muted); }

  /* Cards / panels */
  .panel {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 12px; margin-bottom: 1.25rem; overflow: hidden;
  }
  .panel.editing {
    border-color: var(--xp);
  }
  .panel-header {
    padding: 0.875rem 1.25rem; border-bottom: 1px solid var(--border);
    font-weight: 600; font-size: 0.875rem; color: var(--accent);
    display: flex; align-items: center; justify-content: space-between;
  }

  /* Tables */
  table { width: 100%; border-collapse: collapse; }
  th {
    text-align: left; font-size: 0.7rem; color: var(--muted);
    text-transform: uppercase; letter-spacing: 0.05em;
    padding: 0.625rem 1rem; border-bottom: 1px solid var(--border);
  }
  td {
    padding: 0.625rem 1rem; font-size: 0.85rem;
    border-bottom: 1px solid var(--border);
  }
  tr:last-child td { border-bottom: none; }
  tr:hover td { background: var(--card-alt); }

  .badge {
    display: inline-block; font-size: 0.7rem; font-weight: 600;
    padding: 0.15rem 0.5rem; border-radius: 999px;
  }
  .badge-xp { background: rgba(251,191,36,0.15); color: var(--xp); }
  .badge-success { background: rgba(52,211,153,0.15); color: var(--success); }
  .badge-danger { background: rgba(248,113,113,0.15); color: var(--danger); }
  .badge-accent { background: rgba(96,165,250,0.15); color: var(--accent); }

  .assign-summary {
    display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
  }
  .assign-summary .sdot {
    display: inline-flex; align-items: center; gap: 3px;
    font-size: 0.75rem; font-weight: 600; white-space: nowrap;
  }
  .assign-summary .sdot::before {
    content: ''; width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0;
  }
  .sdot-assigned::before { background: var(--accent); }
  .sdot-accepted::before { background: var(--accent); }
  .sdot-completed::before { background: var(--success); }
  .sdot-pending::before { background: var(--xp); }
  .sdot-failed::before { background: var(--danger); }

  .assign-modal-row {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 0; border-bottom: 1px solid var(--border);
    font-size: 0.85rem;
  }
  .assign-modal-row:last-child { border-bottom: none; }
  .assign-modal-row .dot {
    width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0;
  }
  .assign-modal-row .amname { font-weight: 600; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
  .assign-modal-row .amactions { display: flex; align-items: center; gap: 4px; margin-left: auto; flex-shrink: 0; }

  /* Toast */
  .toast {
    position: fixed; bottom: 2rem; right: 2rem;
    background: var(--card); border: 1px solid var(--border);
    border-radius: 10px; padding: 0.75rem 1.25rem;
    font-size: 0.85rem; z-index: 1000;
    transform: translateY(120%); opacity: 0;
    transition: transform 0.3s, opacity 0.3s;
  }
  .toast.show { transform: translateY(0); opacity: 1; }
  .toast.success { border-color: var(--success); color: var(--success); }
  .toast.error { border-color: var(--danger); color: var(--danger); }

  .empty-state {
    text-align: center; padding: 2rem; color: var(--muted); font-size: 0.9rem;
  }

  /* Inline form row */
  .form-row {
    display: flex; gap: 0.75rem; align-items: flex-end; flex-wrap: wrap;
  }
  .form-row .form-group { flex: 1; min-width: 150px; margin-bottom: 0; }
  .form-row .btn { align-self: flex-end; white-space: nowrap; }

  .btn-row { display: flex; gap: 0.5rem; align-items: center; }

  .mt-1 { margin-top: 1rem; }
  .mb-1 { margin-bottom: 1rem; }

  /* =================================================================
     Übersicht — gethemtes Hierarchie-Diagramm (Quest → Reihe → Meta)
     ================================================================= */
  .diagram { display: flex; flex-direction: column; gap: 2rem; }
  .dg-section { display: flex; flex-direction: column; gap: 0.85rem; }
  .dg-section-title {
    font-size: 0.7rem; font-weight: 700; color: var(--muted);
    text-transform: uppercase; letter-spacing: 0.08em;
    padding-bottom: 0.35rem; border-bottom: 1px solid var(--border);
  }

  /* ---- gemeinsame Quest-Karte (dezenteste Ebene) ---- */
  .dg-quest {
    display: flex; align-items: center; gap: 0.5rem;
    padding: 0.4rem 0.6rem; border-radius: 8px;
    background: var(--surface); border: 1px solid var(--border);
    font-size: 0.82rem; cursor: pointer; transition: background 0.15s, border-color 0.15s;
  }
  .dg-quest:hover { background: var(--card-alt); border-color: var(--accent); }
  .dg-quest-icon { min-width: 1.2rem; text-align: center; }
  .dg-quest-title { flex: 1; font-weight: 500; }
  .dg-quest-xp {
    font-size: 0.68rem; font-weight: 700; color: var(--xp);
    background: color-mix(in srgb, var(--xp) 16%, transparent);
    padding: 0.1rem 0.4rem; border-radius: 999px; white-space: nowrap;
  }
  .dg-quest-who { font-size: 0.7rem; color: var(--muted); white-space: nowrap; }
  .dg-quest.is-done { border-color: color-mix(in srgb, var(--success) 55%, var(--border)); }
  .dg-quest.is-done .dg-quest-title {
    color: var(--success); text-decoration: line-through;
    text-decoration-color: color-mix(in srgb, var(--success) 45%, transparent);
  }
  .dg-step {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 1.3rem; height: 1.3rem; border-radius: 999px;
    font-size: 0.66rem; font-weight: 700; color: var(--bg);
    background: var(--accent2);
  }

  /* ---- Achievement-Chip (Auslöser-Marker an Quests) ---- */
  .dg-ach-chip {
    display: inline-flex; align-items: center; gap: 0.3rem;
    margin: 0.25rem 0 0 1.7rem; padding: 0.12rem 0.45rem;
    font-size: 0.66rem; font-weight: 600;
    color: var(--xp); cursor: pointer;
    background: color-mix(in srgb, var(--xp) 12%, transparent);
    border: 1px dashed color-mix(in srgb, var(--xp) 55%, transparent);
    border-radius: 999px; max-width: 100%;
  }
  .dg-ach-chip:hover { background: color-mix(in srgb, var(--xp) 22%, transparent); }
  .dg-ach-ap {
    font-size: 0.6rem; color: var(--muted); font-weight: 700;
    padding-left: 0.3rem; border-left: 1px solid color-mix(in srgb, var(--xp) 40%, transparent);
  }

  /* ---- Quest-Reihe (mittlere Ebene, sequenzielle Kette) ---- */
  .dg-series {
    background: var(--card); border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: 12px; padding: 0.75rem 0.85rem;
    cursor: pointer; transition: border-color 0.15s;
  }
  .dg-series:hover { border-color: var(--accent); }
  .dg-series.is-nested { background: var(--card-alt); }
  .dg-series.is-done { border-left-color: var(--success); }
  .dg-series-head {
    display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.6rem;
  }
  .dg-series-icon { font-size: 1.05rem; }
  .dg-series-name { font-weight: 600; font-size: 0.9rem; flex: 1; color: var(--accent); }
  .dg-series-meta { font-size: 0.68rem; color: var(--muted); display: flex; align-items: center; gap: 0.4rem; }
  .dg-chain { display: flex; flex-direction: column; }
  .dg-chain-item { display: flex; flex-direction: column; }
  .dg-arrow {
    align-self: flex-start; margin-left: 0.55rem;
    color: var(--accent2); font-size: 0.85rem; line-height: 1; padding: 0.12rem 0;
  }

  /* ---- Meta-Quest (oberste Ebene, kräftig, Bündel) ---- */
  .dg-meta-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 1rem;
  }
  .dg-meta {
    background: var(--card); border: 1px solid var(--accent2);
    border-radius: 16px; overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.18);
  }
  .dg-meta.is-done { border-color: var(--success); }
  .dg-meta-head {
    display: flex; align-items: center; gap: 0.55rem;
    padding: 0.7rem 0.9rem; cursor: pointer;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: var(--bg);
  }
  .dg-meta.is-done .dg-meta-head {
    background: linear-gradient(135deg, var(--success), var(--accent));
  }
  .dg-meta-icon { font-size: 1.25rem; }
  .dg-meta-name { font-weight: 700; font-size: 1rem; flex: 1; }
  .dg-meta-meta {
    font-size: 0.66rem; font-weight: 600; opacity: 0.92;
    display: flex; align-items: center; gap: 0.4rem;
  }
  .dg-meta-body { padding: 0.75rem; display: flex; flex-direction: column; gap: 0.75rem; }
  .dg-member { display: flex; flex-direction: column; }
  .dg-singles {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: 12px; padding: 0.6rem 0.7rem; gap: 0.4rem;
  }
  .dg-singles-label {
    font-size: 0.64rem; font-weight: 700; color: var(--muted);
    text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 0.15rem;
  }

  /* ---- Hauptquest (Quest mit Anhängen) ---- */
  .dg-host {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 14px; padding: 0.75rem; display: flex;
    flex-direction: column; gap: 0.6rem;
  }
  .dg-host-head { border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); }
  .dg-attachments {
    display: flex; flex-direction: column; gap: 0.6rem;
    margin-left: 0.9rem; padding-left: 0.75rem;
    border-left: 2px solid color-mix(in srgb, var(--accent) 35%, var(--border));
  }

  /* ---- Grids für freistehende Reihen / Einzel-Quests ---- */
  .dg-series-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 1rem;
    align-items: start;
  }
  .dg-orphan-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 0.6rem;
    align-items: start;
  }
  .dg-orphan-item { display: flex; flex-direction: column; }

  /* ---- Bonus-Pille + Hinweise + Legende ---- */
  .dg-bonus {
    color: var(--xp); font-weight: 700;
    background: color-mix(in srgb, var(--xp) 16%, transparent);
    padding: 0.05rem 0.4rem; border-radius: 999px; white-space: nowrap;
  }
  .dg-empty-note { font-size: 0.75rem; color: var(--muted); font-style: italic; padding: 0.25rem 0.1rem; }
  .dg-legend {
    display: flex; flex-wrap: wrap; gap: 0.9rem 1.4rem;
    padding: 0.75rem 0.85rem; margin-top: 0.5rem;
    background: var(--surface); border: 1px solid var(--border); border-radius: 12px;
    font-size: 0.72rem; color: var(--muted);
  }
  .dg-legend-item { display: inline-flex; align-items: center; gap: 0.4rem; }
  .dg-swatch { width: 0.85rem; height: 0.85rem; border-radius: 4px; display: inline-block; }
  .dg-sw-meta { background: linear-gradient(135deg, var(--accent), var(--accent2)); }
  .dg-sw-series { background: var(--card); border: 1px solid var(--border); border-left: 3px solid var(--accent); }
  .dg-sw-quest { background: var(--surface); border: 1px solid var(--border); }

  /* ---- Übersicht: Stil-Umschalter + Workflow-Diagramm ---- */
  .overview-style-select {
    width: auto; max-width: 220px; font-size: 0.8rem;
    padding: 0.35rem 0.6rem;
  }
  .overview-workflow {
    width: 100%; overflow-x: auto;
    display: flex; justify-content: center;
  }
  .overview-workflow svg { max-width: 100%; height: auto; }

  /* Modal */
  .modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.6); z-index: 900;
    display: flex; align-items: center; justify-content: center;
    backdrop-filter: blur(4px);
    animation: modalFadeIn 0.2s ease;
  }
  @keyframes modalFadeIn { from { opacity: 0; } to { opacity: 1; } }
  .modal-content {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 16px; width: 92%; max-width: 780px;
    max-height: 85vh; overflow-y: auto;
    animation: modalSlideIn 0.2s ease;
  }
  @keyframes modalSlideIn { from { transform: translateY(-20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
  .modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 1rem 1.25rem; border-bottom: 1px solid var(--border);
    font-weight: 600; font-size: 0.9rem; color: var(--accent);
    position: sticky; top: 0; background: var(--card); z-index: 1;
    border-radius: 16px 16px 0 0;
  }
  .modal-close {
    background: none; border: none; color: var(--muted);
    font-size: 1.5rem; cursor: pointer; padding: 0 0.25rem;
    line-height: 1; transition: color 0.2s;
  }
  .modal-close:hover { color: var(--text); }
  .modal-body { padding: 1.25rem; }

  /* Sortable columns */
  th.sortable { cursor: pointer; user-select: none; white-space: nowrap; }
  th.sortable:hover { color: var(--accent); }
  th.sortable .sort-icon::after { content: '⇅'; opacity: 0.3; margin-left: 0.25rem; font-size: 0.7rem; }
  th.sortable.asc .sort-icon::after { content: '↑'; opacity: 1; }
  th.sortable.desc .sort-icon::after { content: '↓'; opacity: 1; }

  /* Avatar */
  .user-avatar {
    width: 32px; height: 32px; border-radius: 50%; object-fit: cover;
    background: var(--card-alt); border: 1px solid var(--border);
  }
  .user-avatar-placeholder {
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--card-alt); border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.75rem; color: var(--muted);
  }