:root {
    --dd-blue:        #1b405b;
    --dd-green:       #6ba944;
    --dd-grey:        #706f6f;
    --dd-light-bg:    #eef0ed;
    --dd-green-light: #eaf5e2;
    --dd-blue-light:  #e8edf2;
    --dd-white:       #ffffff;
    --dd-green-dark:  #5a9338;
    --dd-blue-dark:   #142f44;
    --dd-border:      #d8d5cf;
    --dd-text:        #2c2c2c;
    --dd-text-light:  #706f6f;
    --dd-red:         #c62828;
    --dd-red-light:   #ffebee;
    --dd-yellow-light:#fffde7;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; }

  body {
    background: var(--dd-light-bg);
    min-height: 100vh;
    color: var(--dd-text);
    /* Scroll-Flicker-Fix Teil 1: Subpixel-Antialiasing (ClearType) durch
       Grayscale-AA ersetzen. Verhindert rote/blaue Kantensäume beim Scrollen
       auf Monitoren mit BGR-Subpixel-Anordnung oder abweichender Gamma. */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: geometricPrecision;
  }

  /* Tool-Inhalt: System-Fonts (Homepage-Header/Footer erben Jura/Inter) */
  .main {
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  }

  /* Im Wizard-Kontext kein sticky Site-Header – step-nav-outer übernimmt die
     Scroll-Ankerrolle. Verhindert Überlappung beider Leisten. */
  .site-header { position: relative !important; z-index: 1100; }  /* über step-nav (1000) */

  /* Scroll-Flicker-Fix Teil 2: Haupt-Container auf eigene GPU-Layer zwingen,
     damit der Compositor beim Scroll nur verschiebt statt neu zu rastern.
     Betrifft sticky Header, Step-Nav-Leiste und die Karten. */
  .step-nav-outer, .step-nav-wrap, .card {
    transform: translateZ(0);
    backface-visibility: hidden;
  }

  /* ─── SCHRITT-NAVIGATION (sticky) ─── */
  .step-nav-outer {
    position: sticky; top: 0; z-index: 1000;
    display: flex; align-items: center;
    background: var(--dd-blue);
  }
  .step-nav-progress-right {
    margin-left: auto; flex-shrink: 0; padding-right: 24px;
  }
  .step-nav-pbar {
    width: 130px; height: 8px; border-radius: 4px;
    background: rgba(255,255,255,0.2); overflow: hidden;
  }
  .step-nav-pbar-fill {
    height: 100%; border-radius: 4px;
    background: linear-gradient(90deg, var(--dd-green), var(--dd-green-dark));
    transition: width 0.6s ease;
  }
  .header {
    background: var(--dd-white);
    padding: 14px 40px;
    display: flex; align-items: center; justify-content: space-between;
    border-bottom: 3px solid var(--dd-green);
    box-shadow: 0 2px 8px rgba(27,64,91,0.06);
  }
  .header-logo img { height: 44px; }
  .header-right { display: flex; align-items: center; gap: 20px; }
  .header-tagline { font-size: 12px; color: var(--dd-grey); font-weight: 600; }
  .header-progress-bar {
    width: 130px; height: 8px; border-radius: 4px;
    background: var(--dd-border); overflow: hidden;
  }
  .header-progress-fill {
    height: 100%; border-radius: 4px;
    background: linear-gradient(90deg, var(--dd-green), var(--dd-green-dark));
    transition: width 0.6s ease;
  }

  /* ─── STEP NAV ─── */
  .step-nav-wrap {
    background: var(--dd-blue);
    padding: 12px 40px;
    display: flex; align-items: center; gap: 8px;
  }
  .step-pip {
    width: 30px; height: 30px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 700; transition: all 0.3s; flex-shrink: 0;
    border: 2px solid transparent;
  }
  .step-pip.active {
    background: var(--dd-green); color: white;
    border-color: rgba(255,255,255,0.5);
    box-shadow: 0 0 12px rgba(107,169,68,0.4);
  }
  .step-pip.done {
    background: rgba(107,169,68,0.3); color: rgba(255,255,255,0.9);
  }
  .step-pip.locked {
    background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.25);
  }
  .step-pip-label {
    font-size: 12px; color: rgba(255,255,255,0.6); font-weight: 600;
    white-space: nowrap;
  }
  .step-pip-label.active { color: white; }
  .step-nav-sep {
    flex: 1; height: 1px; background: rgba(255,255,255,0.12); min-width: 16px; max-width: 60px;
  }

  /* ─── PROGRESS STRIP ─── */
  .progress-strip { background: var(--dd-blue-dark); height: 4px; }
  .progress-strip-inner {
    height: 100%;
    background: linear-gradient(90deg, var(--dd-green), #8fc95e);
    transition: width 0.6s; border-radius: 0 0 3px 3px;
  }

  /* ─── MAIN ─── */
  .main { max-width: 860px; margin: 0 auto; padding: 28px 20px 60px; }

  .card {
    background: var(--dd-white);
    border-radius: 12px;
    padding: 36px 40px;
    box-shadow: 0 2px 16px rgba(27,64,91,0.07);
    border: 1px solid var(--dd-border);
    margin-bottom: 20px;
  }
  .card-title {
    font-size: 22px; font-weight: 800; color: var(--dd-blue);
    margin-bottom: 6px;
  }
  .card-subtitle {
    font-size: 13px; color: var(--dd-grey); font-weight: 600;
    text-transform: uppercase; letter-spacing: 1.2px;
    margin-bottom: 20px;
  }
  .card-divider {
    height: 1px; background: var(--dd-border); margin: 20px 0;
  }

  /* ─── Hero kompakt (App-Kontext, nicht Landing Page) ─── */
  .leistung-hero { padding: 16px 0 12px !important; }
  .leistung-hero h1 { font-size: clamp(22px, 3vw, 28px); margin: 4px 0 4px !important; }
  .leistung-hero .back-link { margin-bottom: 4px; }
  .leistung-num { font-size: 11px !important; }
  .leistung-hero .lead { margin: 0 0 0 !important; font-size: 14px; color: var(--dd-grey); }
  .main { padding-top: 16px !important; }

  /* ─── INFO BOX ─── */
  .info-box {
    background: var(--dd-blue-light);
    border-left: 4px solid var(--dd-blue);
    border-radius: 8px; padding: 12px 16px;
    font-size: 13px; color: var(--dd-blue); margin-bottom: 20px;
    font-weight: 600;
  }

  /* ─── UPLOAD BLOCKS ─── */
  .upload-section { margin-top: 24px; }
  .upload-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 8px;
  }
  .upload-label {
    font-size: 13px; font-weight: 700; color: var(--dd-blue);
    text-transform: uppercase; letter-spacing: 1px;
  }
  .upload-label span { color: var(--dd-red); }

  /* Status-Badge neben dem Label (✓ ok, ⚠ Fehler, ⏳ läuft, ○ offen) */
  .upload-status {
    display: inline-block; margin-left: 10px;
    font-size: 11px; font-weight: 600; padding: 2px 9px;
    border-radius: 12px; letter-spacing: .3px;
    text-transform: none;
    vertical-align: middle;
  }
  .upload-status.pending    { background: #f0f0f0;                color: var(--dd-grey); }
  .upload-status.validating { background: #fff3e0;                color: #e65100; }
  .upload-status.ok         { background: var(--dd-green-light);  color: var(--dd-green-dark); }
  .upload-status.error      { background: var(--dd-red-light);    color: var(--dd-red); }

  /* Sammel-Meldung über dem Weiter-Button */
  .upload-summary {
    margin-top: 16px; padding: 10px 14px; border-radius: 6px;
    background: var(--dd-red-light); color: var(--dd-red);
    border-left: 4px solid var(--dd-red);
    font-size: 13px; font-weight: 600;
  }
  .upload-summary a { color: var(--dd-red); font-weight: 700; text-decoration: underline; }

  .field-warning {
    margin-top: 8px; padding: 10px 14px; border-radius: 6px;
    background: var(--dd-yellow-light); border: 1px solid #f9a825;
    font-size: 13px; color: #5a3e00; line-height: 1.5;
  }
  .field-warning strong { color: #b34700; }
  .file-chip.chip-warning { border-color: #f9a825; background: var(--dd-yellow-light); }
  .file-chip.chip-warning::after {
    content: ' ⚠'; color: #b34700; font-weight: 700; font-size: 12px;
  }

  /* B10: einmalige Reload-Hinweis-Box */
  .info-box-hint {
    background: var(--dd-blue-light);
    border: 1px solid #b0c8df;
    color: var(--dd-blue-dark);
    font-size: 13.5px;
    line-height: 1.55;
  }
  .info-box-hint button:hover { opacity: 1 !important; }

  .btn.btn-incomplete {
    opacity: 0.55; cursor: not-allowed;
  }
  .btn.btn-incomplete:hover { opacity: 0.65; }

  /* ─── DROP ZONE ─── */
  .drop-zone {
    border: 2px dashed var(--dd-border); border-radius: 10px;
    padding: 26px 20px; text-align: center; cursor: pointer;
    transition: .2s; background: var(--dd-light-bg);
    /* Scroll-Flicker-Fix: eigenes GPU-Layer erzwingen, damit der Browser
       beim Scrollen nicht jeden Frame neu rastert (verhindert Subpixel-
       Farbsäume und Dashed-Border-Moiré). */
    transform: translateZ(0);
    will-change: transform;
    backface-visibility: hidden;
  }
  .drop-zone:hover, .drop-zone.drag-over {
    border-color: var(--dd-green); background: var(--dd-green-light);
  }
  .drop-zone input[type=file] { display: none; }
  .drop-zone .dz-icon { font-size: 1.8rem; margin-bottom: 6px; }
  .drop-zone p { color: var(--dd-grey); font-size: 13px; font-weight: 600; }
  .drop-zone small { font-size: 11px; color: #aaa; }

  .file-list { margin-top: 8px; display: flex; flex-direction: column; gap: 5px; }
  .file-chip {
    display: flex; align-items: center; gap: 8px;
    background: var(--dd-green-light); border: 1px solid #c8e4b4;
    border-radius: 8px; padding: 7px 12px; font-size: 13px;
  }
  .file-chip.eda  { background: var(--dd-blue-light); border-color: #b8c8d8; }
  .file-chip.csv  { background: var(--dd-yellow-light); border-color: #f0e0a0; }
  .file-chip .name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; color: var(--dd-text); }
  .file-chip .size { font-size: 11px; color: var(--dd-grey); white-space: nowrap; }
  .file-chip .remove-btn {
    width: 20px; height: 20px; border-radius: 50%; border: none;
    background: rgba(27,64,91,0.12); color: var(--dd-blue);
    font-size: 11px; line-height: 20px; text-align: center;
    cursor: pointer; flex-shrink: 0; transition: .15s; padding: 0;
  }
  .file-chip .remove-btn:hover { background: var(--dd-red); color: #fff; }

  /* ── Validierungs-Panel (Upload-Prüfung) ───────────────────────────── */
  .validation-panel {
    margin-top: 16px;
    border-radius: 10px;
    padding: 16px 20px;
    border: 1px solid transparent;
    animation: fadeIn .25s ease-out;
  }
  .validation-panel.ok {
    background: transparent;
    border-color: transparent;
    color: var(--dd-green-dark);
    padding: 4px 0;
    margin-top: 8px;
  }
  .validation-panel.error {
    background: var(--dd-red-light);
    border-color: #f5c2c2;
    color: var(--dd-red);
  }
  .validation-panel.structural {
    background: var(--dd-red-light);
    border-color: #f5c2c2;
    color: var(--dd-red);
  }
  .validation-panel h4 {
    margin: 0 0 8px 0; font-size: 14px; font-weight: 700;
    display: flex; align-items: center; gap: 8px;
  }
  .validation-panel .v-sub {
    font-size: 13px; color: var(--dd-text); margin-bottom: 10px;
  }
  .validation-table {
    width: 100%; border-collapse: collapse; font-size: 12.5px;
    background: #fff; border-radius: 6px; overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,.06);
  }
  .validation-table th {
    background: var(--dd-red); color: #fff; text-align: left;
    padding: 8px 10px; font-weight: 600; font-size: 11.5px;
    text-transform: uppercase; letter-spacing: .4px;
  }
  .validation-table td {
    padding: 7px 10px; border-bottom: 1px solid #f0e0e0;
    color: var(--dd-text);
  }
  .validation-table tr:last-child td { border-bottom: none; }
  .validation-table td.zeile { font-weight: 700; color: var(--dd-red); width: 60px; }
  .validation-table td.name  { font-weight: 600; }
  .validation-panel .v-actions {
    margin-top: 12px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
  }
  .validation-panel .v-actions .btn-override {
    background: transparent; border: 1px solid var(--dd-red); color: var(--dd-red);
    padding: 6px 14px; font-size: 12px; border-radius: 6px; cursor: pointer;
  }
  .validation-panel .v-actions .btn-override:hover {
    background: var(--dd-red); color: #fff;
  }
  @keyframes fadeIn { from {opacity:0;transform:translateY(-4px)} to {opacity:1;transform:translateY(0)} }

  /* ─── PARAM TABS ─── */
  .param-tabs {
    display: flex; gap: 0; border: 1.5px solid var(--dd-border);
    border-radius: 8px 8px 0 0; overflow: hidden;
  }
  .param-tab {
    flex: 1; padding: 10px; border: none; background: var(--dd-light-bg);
    color: var(--dd-grey); font-size: 13px; font-weight: 700; cursor: pointer;
    transition: .15s; border-right: 1px solid var(--dd-border);
    font-family: inherit;
  }
  .param-tab:last-child { border-right: none; }
  .param-tab.active { background: var(--dd-white); color: var(--dd-green); }
  .param-tab-content {
    border: 1.5px solid var(--dd-border); border-top: none;
    border-radius: 0 0 8px 8px; padding: 18px; background: var(--dd-white);
  }

  /* ─── FORM ─── */
  .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 24px; }
  .field label {
    display: block; font-size: 12px; font-weight: 700; color: var(--dd-grey);
    margin-bottom: 5px; text-transform: uppercase; letter-spacing: .6px;
    position: relative;
  }
  /* Info-Button (?) neben Labels */
  /* Kleinunternehmer-Karten */
  .ku-card { user-select: none; }
  .ku-card--active { border-color: var(--dd-green,#1B5E20) !important; background: #f0f7f0 !important; }
  .ku-card:not(.ku-card--active) { border-color: #ccc !important; background: #fafafa !important; }

  .info-btn {
    display: inline-flex; align-items: center; justify-content: center;
    width: 15px; height: 15px; border-radius: 50%;
    background: var(--dd-border); color: var(--dd-grey);
    font-size: 9px; font-weight: 800; cursor: pointer;
    margin-left: 4px; vertical-align: middle;
    user-select: none; letter-spacing: 0; text-transform: none;
    transition: background .15s;
  }
  .info-btn:hover, .info-btn:focus { background: var(--dd-green); color: #fff; outline: none; }
  /* Info-Popup */
  .info-popup {
    position: absolute; top: 20px; left: 0; z-index: 200;
    background: #fff; border: 1.5px solid var(--dd-border);
    border-radius: 8px; padding: 10px 13px;
    font-size: 11px; font-weight: 400; color: var(--dd-text);
    text-transform: none; letter-spacing: 0; line-height: 1.7;
    box-shadow: 0 4px 16px rgba(0,0,0,.10); min-width: 220px;
    white-space: normal;
  }
  .info-popup code {
    background: #f0f4ec; border-radius: 3px; padding: 1px 4px;
    font-size: 10.5px; color: var(--dd-green);
  }
  .field input, .field select {
    width: 100%; padding: 10px 12px;
    border: 1.5px solid var(--dd-border); border-radius: 8px;
    font-size: 15px; outline: none; transition: .2s;
    font-family: inherit; color: var(--dd-text);
    background: var(--dd-white);
  }
  .field small { font-size: 12px; color: var(--dd-grey); margin-top: 4px; display: block; }
  .field input:focus, .field select:focus {
    border-color: var(--dd-green);
    box-shadow: 0 0 0 3px rgba(107,169,68,0.12);
  }
  .section-title {
    grid-column: 1/-1; font-size: 11px; font-weight: 800;
    color: var(--dd-green); text-transform: uppercase;
    letter-spacing: 1.2px; margin-top: 8px;
    padding-top: 12px; border-top: 1px solid var(--dd-border);
  }

  /* ─── BUTTONS ─── */
  .btn {
    padding: 10px 22px; border-radius: 8px; border: none; cursor: pointer;
    font-size: 14px; font-weight: 700; transition: all .2s;
    display: inline-flex; align-items: center; gap: 6px;
    font-family: inherit; letter-spacing: 0.2px;
  }
  .btn:hover:not(:disabled) { transform: translateY(-1px); }
  .btn:disabled { opacity: .4; cursor: not-allowed; }

  .btn-primary {
    background: linear-gradient(135deg, var(--dd-green), var(--dd-green-dark));
    color: white; box-shadow: 0 4px 14px rgba(107,169,68,0.3);
  }
  .btn-primary:hover:not(:disabled) { box-shadow: 0 6px 18px rgba(107,169,68,0.4); }

  .btn-secondary {
    background: var(--dd-light-bg); color: var(--dd-grey);
    border: 1.5px solid var(--dd-border);
  }
  .btn-secondary:hover:not(:disabled) { background: var(--dd-border); }

  .btn-outline {
    background: var(--dd-white); color: var(--dd-green);
    border: 1.5px solid var(--dd-green);
  }
  .btn-outline:hover:not(:disabled) { background: var(--dd-green-light); }

  .btn-sm { padding: 6px 14px; font-size: 12px; }

  .btn-download {
    background: linear-gradient(135deg, var(--dd-blue), var(--dd-blue-dark));
    color: white; font-size: 16px; padding: 14px 36px;
    box-shadow: 0 4px 14px rgba(27,64,91,0.3);
  }
  .btn-download:hover:not(:disabled) { box-shadow: 0 6px 20px rgba(27,64,91,0.4); }

  .actions { display: flex; gap: 12px; margin-top: 24px; justify-content: flex-end; }

  /* ─── TABLE ─── */
  table { width: 100%; border-collapse: collapse; font-size: 13px; }
  th {
    background: var(--dd-blue); color: white; padding: 10px 12px;
    text-align: left; font-weight: 700; font-size: 11px;
    text-transform: uppercase; letter-spacing: .8px;
  }
  th:first-child { border-radius: 8px 0 0 0; }
  th:last-child  { border-radius: 0 8px 0 0; }
  td { padding: 9px 12px; border-bottom: 1px solid var(--dd-border); }
  tr:last-child td { border-bottom: none; }
  tr:hover td { background: var(--dd-light-bg); }
  .kosten-pos { color: var(--dd-red); font-weight: 700; }
  .kosten-neg { color: var(--dd-green-dark); font-weight: 700; }
  .summary-row td { background: var(--dd-blue-light); font-weight: 800; color: var(--dd-blue); }

  /* ─── LOG BOX ─── */
  .log-box {
    background: #1a2733; border-radius: 10px; padding: 16px;
    font-family: 'Courier New', monospace;
    font-size: 12px; min-height: 180px; max-height: 320px;
    overflow-y: auto; color: #eceff1; line-height: 1.65;
    border: 1px solid rgba(107,169,68,0.2);
  }
  .log-entry.ERROR   { color: #ef9a9a; }
  .log-entry.WARNING { color: #ffe082; }
  .log-entry.INFO    { color: #a5d6a7; }
  .log-entry.DEBUG   { color: #78909c; }

  /* ─── STATUS CHIPS ─── */
  .badge {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 700;
  }
  .badge-ok  { background: var(--dd-green-light); color: var(--dd-green-dark); border: 1px solid #c8e4b4; }
  .badge-err { background: var(--dd-red-light); color: var(--dd-red); }

  /* ─── MISC ─── */
  .hidden { display: none !important; }
  .spinner {
    display: inline-block; width: 18px; height: 18px;
    border: 3px solid rgba(107,169,68,0.25);
    border-top-color: var(--dd-green); border-radius: 50%;
    animation: spin .7s linear infinite;
  }
  @keyframes spin { to { transform: rotate(360deg); } }

  .parsed-info {
    background: var(--dd-green-light); border-left: 3px solid var(--dd-green);
    border-radius: 8px; padding: 10px 14px; font-size: 13px;
    color: var(--dd-green-dark); margin-top: 10px; display: none; font-weight: 600;
  }
  .csv-dl-row { display: flex; justify-content: flex-end; margin-top: 12px; }

  /* Accordion */
  .acc-section {
    border: 1.5px solid var(--dd-border); border-radius: 10px;
    overflow: visible; margin-bottom: 8px;
  }
  .acc-header {
    width: 100%; text-align: left; padding: 11px 16px;
    background: var(--dd-white); border: none; cursor: pointer;
    font-weight: 700; font-size: 13px; color: var(--dd-text);
    display: flex; align-items: center; gap: 8px; transition: background .15s;
    border-radius: 10px;
  }
  .acc-header:hover { background: #f8f8f8; }
  .acc-header.open { color: var(--dd-green,#1B5E20); border-radius: 10px 10px 0 0; }
  .acc-header .acc-arrow {
    margin-left: auto; transition: transform .2s;
    display: inline-block; flex-shrink: 0;
    font-size: 16px; line-height: 1; color: inherit;
  }
  .acc-header.open .acc-arrow { transform: rotate(180deg); }
  .acc-body { padding: 12px 16px 16px; border-radius: 0 0 10px 10px; }

  /* ─── STEP HEADER (inside card) ─── */
  .step-tag {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 10px; font-weight: 800; text-transform: uppercase;
    letter-spacing: 1.5px; padding: 4px 14px; border-radius: 20px;
    background: var(--dd-green); color: white; margin-bottom: 12px;
  }

  /* ─── DONE SCREEN ─── */
  .done-big { font-size: 3.5rem; margin-bottom: 16px; }
  .done-title { font-size: 24px; font-weight: 800; color: var(--dd-blue); margin-bottom: 8px; }
  .done-sub { color: var(--dd-grey); font-size: 14px; margin-bottom: 8px; }
  .done-warn {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--dd-yellow-light); border: 1px solid #f0e0a0;
    border-radius: 8px; padding: 10px 16px; font-size: 13px;
    color: #9a7a1a; font-weight: 700; margin: 12px 0 24px;
  }

  /* ─── FOOTER ─── */
  .footer {
    background: var(--dd-blue); color: rgba(255,255,255,0.7);
    padding: 28px 40px; font-size: 13px; line-height: 1.6;
  }
  .footer-inner {
    max-width: 860px; margin: 0 auto;
    display: flex; justify-content: space-between;
    align-items: flex-start; gap: 32px; flex-wrap: wrap;
  }
  .footer a { color: var(--dd-green); text-decoration: none; font-weight: 600; }
  .footer a:hover { text-decoration: underline; }
  .footer-brand { font-size: 16px; font-weight: 700; color: white; margin-bottom: 4px; }
  .footer-legal { text-align: right; }

  /* ─── LICENSE / ZUGANGSCODE ─── */
  .license-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(255,255,255,0.10);
    border: 1px solid rgba(255,255,255,0.18);
    font-size: 12px;
    color: rgba(255,255,255,0.92);
    line-height: 1.3;
    max-width: 420px;
  }
  .license-badge.hidden { display: none; }
  .license-badge .lb-main { white-space: nowrap; }
  .license-badge .lb-tokens { font-weight: 700; }
  .license-badge .lb-sep {
    display: inline-block; width: 4px; height: 4px; border-radius: 50%;
    background: rgba(255,255,255,0.4); margin: 0 2px;
  }
  .license-badge .lb-logout {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.4);
    color: rgba(255,255,255,0.92);
    border-radius: 999px;
    padding: 2px 10px;
    font-size: 11px;
    cursor: pointer;
    font-weight: 500;
  }
  .license-badge .lb-logout:hover {
    background: rgba(255,255,255,0.12);
  }

  .uid-input {
    font-family: 'Courier New', Courier, monospace;
    font-size: 22px;
    letter-spacing: 2px;
    text-align: center;
    text-transform: uppercase;
    padding: 16px 14px;
    width: 100%;
    border: 2px solid var(--dd-border);
    border-radius: 10px;
    background: #fafafa;
    color: var(--dd-dark);
    transition: border-color .15s, background .15s;
  }
  .uid-input:focus {
    outline: none;
    border-color: var(--dd-green);
    background: white;
  }
  .uid-input.invalid {
    border-color: #c0392b;
    background: #fff5f4;
  }

  .login-error {
    margin-top: 14px;
    padding: 10px 14px;
    border-radius: 8px;
    background: #fdecea;
    border: 1px solid #f5c6c1;
    color: #8a1c10;
    font-size: 14px;
    display: none;
  }
  .login-error.visible { display: block; }

  .login-hint {
    margin-top: 18px;
    font-size: 13px;
    color: var(--dd-grey);
    line-height: 1.55;
  }

  /* ─── MODUL-AUSWAHL (Step 3 / Download) ─── */
  .package-panel {
    margin: 0 auto 24px;
    max-width: 520px;
    text-align: left;
    background: #fafbfc;
    border: 1px solid var(--dd-border);
    border-radius: 12px;
    padding: 20px 22px;
  }
  .package-panel h3 {
    margin: 0 0 14px;
    font-size: 16px;
    font-weight: 700;
    color: var(--dd-blue);
  }
  .package-panel .pp-sub {
    margin: -8px 0 14px;
    font-size: 12.5px;
    color: var(--dd-grey);
    line-height: 1.5;
  }
  .package-list { display: flex; flex-direction: column; gap: 10px; }
  .package-item {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 12px;
    border: 1px solid var(--dd-border);
    border-radius: 9px;
    background: white;
    cursor: pointer;
    transition: border-color .12s ease, background .12s ease;
  }
  .package-item:hover { border-color: var(--dd-green); background: #f3faf4; }
  .package-item input[type="checkbox"] {
    width: 18px; height: 18px; cursor: pointer; accent-color: var(--dd-green);
    flex-shrink: 0;
  }
  .package-item .pi-main { flex: 1; min-width: 0; }
  .package-item .pi-name {
    font-weight: 600; font-size: 14px; color: var(--dd-blue);
  }
  .package-item .pi-desc {
    font-size: 12px; color: var(--dd-grey); margin-top: 2px;
  }
  .package-item .pi-cost {
    flex-shrink: 0;
    font-weight: 700; font-size: 13px;
    color: var(--dd-blue);
    background: rgba(93,163,108,0.12);
    border: 1px solid rgba(93,163,108,0.35);
    padding: 3px 10px;
    border-radius: 999px;
    white-space: nowrap;
  }
  .package-item.is-disabled { opacity: .55; cursor: not-allowed; }
  .package-item.is-disabled:hover { border-color: var(--dd-border); background: white; }

  .cost-summary {
    margin-top: 16px;
    padding: 12px 14px;
    border-radius: 9px;
    background: white;
    border: 1px solid var(--dd-border);
    font-size: 13.5px;
    color: var(--dd-blue);
    line-height: 1.55;
    text-align: center;
  }
  .cost-summary .cs-cost   { font-weight: 700; }
  .cost-summary .cs-remain { color: var(--dd-grey); }
  .cost-summary.is-warn    { background: #fff5f4; border-color: #f5c6c1; color: #8a1c10; }
  .cost-summary.is-warn .cs-remain { color: #8a1c10; }

  .cost-warning {
    margin-top: 10px;
    padding: 10px 14px;
    border-radius: 8px;
    background: #fdecea;
    border: 1px solid #f5c6c1;
    color: #8a1c10;
    font-size: 13px;
    display: none;
  }
  .cost-warning.visible { display: block; }

  /* ─── MODULE STEP ─── */
  .mod-group { margin-bottom: 20px; }
  .mod-group-label {
    font-size: 11px; font-weight: 800; color: var(--dd-green);
    text-transform: uppercase; letter-spacing: 1.2px;
    margin-bottom: 10px; padding-bottom: 6px;
    border-bottom: 1px solid var(--dd-border);
  }
  .mod-mandatory {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 14px;
    border: 1px solid var(--dd-green); border-radius: 9px;
    background: var(--dd-green-light); opacity: 0.85;
  }
  .mod-radio-group { display: flex; flex-direction: column; gap: 8px; }
  .mod-radio-item {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 14px; border: 1.5px solid var(--dd-border);
    border-radius: 9px; background: white; cursor: pointer;
    transition: border-color .12s ease, background .12s ease;
  }
  .mod-radio-item input[type="radio"] {
    width: 18px; height: 18px; cursor: pointer; accent-color: var(--dd-green); flex-shrink: 0;
  }
  .mod-radio-item:hover { border-color: var(--dd-green); background: #f3faf4; }
  .mod-radio-item.mod-radio-selected { border-color: var(--dd-green); background: var(--dd-green-light); }
  .mod-optional-list { display: flex; flex-direction: column; gap: 8px; }
  .mod-optional-item {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 14px; border: 1px solid var(--dd-border);
    border-radius: 9px; background: white; cursor: pointer;
    transition: border-color .12s, background .12s;
  }
  .mod-optional-item input[type="checkbox"] {
    width: 18px; height: 18px; cursor: pointer; accent-color: var(--dd-green); flex-shrink: 0;
  }
  .mod-optional-item:hover { border-color: var(--dd-green); background: #f3faf4; }
  .mod-optional-item.mod-item-checked { border-color: #b8d8a8; background: #f5fbf2; }
  /* Inline-Info-Zeile unter Modulbeschreibung */
  .mod-info-row {
    display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
    margin-top: 5px; font-size: 11.5px; color: var(--dd-text-light); line-height: 1.35;
  }
  .mod-muster-link {
    display: inline-flex; align-items: center; gap: 3px;
    font-size: 11px; font-weight: 600; color: var(--dd-green);
    text-decoration: none; padding: 2px 7px;
    border: 1px solid var(--dd-green); border-radius: 4px; white-space: nowrap; flex-shrink: 0;
    transition: background .12s;
  }
  .mod-muster-link:hover { background: var(--dd-green-light); }

  /* ─── HOW-IT-WORKS expandable in Step 0 ─── */
  .how-it-works-details { margin-top: 20px; border-top: 1px solid var(--dd-border); padding-top: 14px; }
  .how-it-works-summary {
    cursor: pointer; font-size: 13px; font-weight: 600; color: var(--dd-blue);
    list-style: none; display: flex; align-items: center; gap: 6px; user-select: none;
  }
  .how-it-works-summary::-webkit-details-marker { display: none; }
  .how-it-works-summary::marker { display: none; }
  .how-step-list { margin-top: 14px; display: flex; flex-direction: column; gap: 10px; }
  .how-step { display: flex; align-items: flex-start; gap: 10px; }
  .how-step-badge {
    flex-shrink: 0; width: 22px; height: 22px; border-radius: 50%;
    background: var(--dd-green); color: #fff; font-size: 11px; font-weight: 800;
    display: flex; align-items: center; justify-content: center; margin-top: 1px;
  }
  .how-step-text { font-size: 13px; color: var(--dd-text); line-height: 1.45; }
  .how-step-text strong { color: var(--dd-blue); }
  .how-dl-row { margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--dd-border); }

  .package-panel-loading {
    padding: 16px 0;
    text-align: center;
    color: var(--dd-grey);
    font-size: 13px;
  }
  .package-panel-error {
    padding: 12px 14px;
    border-radius: 8px;
    background: #fdecea;
    border: 1px solid #f5c6c1;
    color: #8a1c10;
    font-size: 13px;
  }

  /* ─── RESPONSIVE ─── */
  @media (max-width: 680px) {
    .header { padding: 12px 16px; }
    .step-nav-wrap { padding: 10px 16px; }
    .main { padding: 16px 12px 40px; }
    .card { padding: 24px 18px; }
    .form-grid { grid-template-columns: 1fr; }
    .footer-inner { flex-direction: column; }
    .footer-legal { text-align: left; }
    .step-pip-label { display: none; }
  }