@import url("https://fonts.googleapis.com/css2?family=Work+Sans:ital,wght@0,100..900;1,100..900&display=swap");

      :root {
        --rot: #e3001b;
        --dunkelrot: #b0001a;
        --schwarz: #1a1a1a;
        --grau: #f4f4f4;
        --mittelgrau: #888;
        --weiss: #ffffff;
        --gruen: #1a8a3a;
        --orange: #e07000;
      }

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

      body {
        font-family: "Work Sans", normal;
        font-weight: 400;
        background: var(--grau);
        color: var(--schwarz);
        min-height: 100vh;
      }

      header {
        background: var(--rot);
        color: white;
        padding: 20px 24px 16px;
        position: relative;
        overflow: hidden;
      }

      header::before {
        content: "";
        position: absolute;
        top: -30px;
        right: -30px;
        width: 180px;
        height: 180px;
        background: rgba(255, 255, 255, 0.07);
        border-radius: 50%;
      }

      .logo-row {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 12px;
      }

      .logo-badge {
        background: white;
        color: var(--rot);
        font-family: "Work Sans", normal;
        font-weight: 900;
        font-size: 13px;
        padding: 4px 8px;
        letter-spacing: 0.5px;
        border-radius: 2px;
        line-height: 1.2;
        text-align: center;
      }

      .logo-badge span {
        display: block;
        font-size: 10px;
        font-weight: 600;
        opacity: 0.8;
      }

      header h1 {
        font-family: "Work Sans", normal;
        font-size: clamp(22px, 6vw, 34px);
        font-weight: 900;
        line-height: 1;
        letter-spacing: -0.5px;
        text-transform: uppercase;
      }

      header p {
        font-size: 13px;
        opacity: 0.9;
        margin-top: 6px;
        line-height: 1.4;
      }

      .container {
        max-width: 640px;
        margin: 0 auto;
        padding: 20px 16px 40px;
      }

      .card {
        background: white;
        border-radius: 6px;
        padding: 20px;
        margin-bottom: 16px;
        box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
        color: black;

        /* Ungültige Inputs einfärben */
        #miete:out-of-range {
          color: red;
          transition-property: color;
          transition-duration: 0,5s;
        }
        #flaeche:out-of-range {
          color: red;
          transition-property: color;
          transition-duration: 0,5s;
        }
        #baujahr:out-of-range {
          color: red;
          transition-property: color;
          transition-duration: 0,5s;
        }
        #hausnummer:out-of-range {
          color: red;
          transition-property: color;
          transition-duration: 0,5s;
        }
      }

      .card-title {
        font-family: "Work Sans", normal;
        font-size: 13px;
        font-weight: 900;
        text-transform: uppercase;
        letter-spacing: 1px;
        color: var(--rot);
        margin-bottom: 14px;
        display: flex;
        align-items: center;
        gap: 8px;
      }

      .step-num {
        background: var(--rot);
        color: white;
        width: 22px;
        height: 22px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 12px;
        font-weight: 700;
        flex-shrink: 0;
      }

      label {
        display: block;
        font-size: 13px;
        font-weight: 600;
        color: #444;
        margin-bottom: 5px;
        margin-top: 12px;
      }

      label:first-child {
        margin-top: 0;
      }

      input[type="text"],
      input[type="number"],
      select {
        width: 100%;
        border: 1.5px solid #ddd;
        border-radius: 4px;
        padding: 9px 12px;
        font-size: 15px;
        font-family: "Barlow", sans-serif;
        outline: none;
        transition: border-color 0.15s;
        background: white;
        color: var(--schwarz);
      }

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

      .row2 {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 12px;
      }

      .autocomplete-wrap {
        position: relative;
      }

      #suggestions {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        border: 1.5px solid var(--rot);
        border-top: none;
        border-radius: 0 0 4px 4px;
        max-height: 200px;
        overflow-y: auto;
        z-index: 100;
        display: none;
      }

      #suggestions div {
        padding: 8px 12px;
        cursor: pointer;
        font-size: 13px;
        border-bottom: 1px solid #f0f0f0;
      }

      #suggestions div:hover,
      #suggestions div.active {
        background: #fff0f0;
      }

      .wohnlage-badge {
        display: inline-block;
        margin-top: 6px;
        padding: 3px 10px;
        border-radius: 20px;
        font-size: 12px;
        font-weight: 600;
        background: #f0f0f0;
        color: #666;
      }
      .wohnlage-badge.Innenstadt {
        background: #f0f8f0;
        color: #226622;
      }
      .wohnlage-badge.Stadtgebiet {
        background: #f0f8f0;
        color: #226622;
      }
      .wohnlage-badge.Ortsteile {
        background: #f0f8f0;
        color: #226622;
      }

      /* Modernisierungen */
      .mod-grid {
        display: flex;
        flex-direction: column;
        gap: 10px;
      }

      .mod-item {
        display: grid;
        grid-template-columns: 1fr auto;
        gap: 8px;
        align-items: center;
        padding: 10px 12px;
        background: var(--grau);
        border-radius: 4px;
        border: 1.5px solid transparent;
        transition: border-color 0.15s;
      }

      .mod-item:has(select:not([value=""])):not(:has(select[value=""])) {
        border-color: #ddd;
      }

      .mod-name {
        font-size: 13px;
        font-weight: 500;
      }
      .mod-name small {
        display: block;
        color: var(--mittelgrau);
        font-size: 11px;
        font-weight: 400;
        margin-top: 1px;
      }

      .mod-item select {
        width: 120px;
        font-size: 12px;
        padding: 5px 6px;
        margin: 0;
      }

      .punkte-display {
        text-align: center;
        padding: 8px 12px;
        background: var(--grau);
        border-radius: 4px;
        font-size: 13px;
        color: #555;
      }

      .punkte-display strong {
        color: var(--schwarz);
        font-size: 16px;
      }

      .toggle-check {
        display: flex;
        gap: 10px;
        margin-top: 6px;
      }

      .toggle-check label {
        display: flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        font-weight: 400;
        margin: 0;
        cursor: pointer;
        padding: 7px 14px;
        border: 1.5px solid #ddd;
        border-radius: 4px;
        transition: all 0.15s;
        flex: 1;
        justify-content: center;
      }

      .toggle-check input[type="radio"] {
        display: none;
      }

      .toggle-check input[type="radio"]:checked + span {
        /* handled by parent */
      }

      .toggle-check label:has(input:checked) {
        border-color: var(--rot);
        background: #fff5f5;
        color: var(--rot);
        font-weight: 600;
      }

      .btn-calc {
        width: 100%;
        background: var(--rot);
        color: white;
        border: none;
        padding: 14px;
        font-family: "Work Sans", normal;
        font-size: 18px;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 1px;
        border-radius: 5px;
        cursor: pointer;
        transition: background 0.15s;
        margin-top: 4px;
      }

      .btn-calc:hover {
        background: var(--dunkelrot);
      }
      .btn-calc:disabled {
        background: #ccc;
        cursor: default;
      }

      /* Result */
      #result {
        display: none;
      }

      .result-hero {
        background: var(--schwarz);
        color: white;
        border-radius: 6px;
        padding: 24px 20px;
        margin-bottom: 12px;
        text-align: center;
      }

      .result-label {
        font-family: "Work Sans", normal;
        font-size: 13px;
        text-transform: uppercase;
        letter-spacing: 1px;
        opacity: 0.6;
        margin-bottom: 4px;
      }

      .result-vergleich {
        font-family: "Work Sans", normal;
        font-size: 48px;
        font-weight: 900;
        line-height: 1;
      }

      .result-unit {
        font-size: 18px;
        font-weight: 400;
        opacity: 0.7;
      }

      .result-total {
        margin-top: 10px;
        font-size: 14px;
        opacity: 0.75;
      }

      .result-total strong {
        opacity: 1;
        font-size: 18px;
      }

      .verdict-box {
        border-radius: 6px;
        padding: 18px 20px;
        margin-bottom: 12px;
      }

      .verdict-ok {
        background: #eafaf0;
        border: 2px solid #1a8a3a;
        color: #145c28;
      }
      .verdict-warn {
        background: #fff8ea;
        border: 2px solid var(--orange);
        color: #7a3d00;
      }
      .verdict-danger {
        background: #fff0f0;
        border: 2px solid var(--rot);
        color: #8a0010;
      }

      .verdict-title {
        font-family: "Work Sans", normal;
        font-size: 22px;
        font-weight: 800;
        text-transform: uppercase;
        margin-bottom: 6px;
        display: flex;
        align-items: center;
        gap: 8px;
      }

      .verdict-text {
        font-size: 14px;
        line-height: 1.5;
      }

      .detail-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 10px;
        margin-bottom: 12px;
      }

      .detail-item {
        background: white;
        border-radius: 5px;
        padding: 12px 14px;
        box-shadow: 0 1px 4px rgba(0, 0, 0, 0.07);
      }

      .detail-item .d-label {
        font-size: 11px;
        color: var(--mittelgrau);
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.5px;
      }
      .detail-item .d-val {
        font-size: 20px;
        font-family: "Work Sans", normal;
        font-weight: 700;
        margin-top: 2px;
      }

      .info-box {
        background: white;
        border-radius: 6px;
        padding: 16px 20px;
        font-size: 13px;
        color: #555;
        line-height: 1.6;
        box-shadow: 0 1px 4px rgba(0, 0, 0, 0.07);
      }

      .info-box a {
        color: var(--rot);
      }

      .info-box strong {
        color: var(--schwarz);
      }

      .divider {
        border: none;
        border-top: 1px solid #e8e8e8;
        margin: 14px 0;
      }

      .hint {
        font-size: 12px;
        color: var(--mittelgrau);
        margin-top: 5px;
      }

      .disclaimer {
        font-size: 12px;
        color: var(--mittelgrau);
        text-align: center;
        margin-top: 20px;
        line-height: 1.5;
      }

      @media (max-width: 400px) {
        .row2 {
          grid-template-columns: 1fr;
        }
        .detail-grid {
          grid-template-columns: 1fr;
        }
        .result-vergleich {
          font-size: 38px;
        }
      }

      .btn-print {
        width: 100%;
        background: var(--schwarz);
        color: white;
        border: none;
        padding: 12px;
        font-family: "Work Sans", normal;
        font-size: 16px;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 1px;
        border-radius: 5px;
        cursor: pointer;
        transition: background 0.15s;
        margin-top: 4px;
      }
      .btn-print:hover {
        background: #333;
      }

      /* ===== DRUCKLAYOUT ===== */
      @media print {
        body {
          background: white !important;
        }
        header {
          -webkit-print-color-adjust: exact;
          print-color-adjust: exact;
        }
        .card,
        .result-hero,
        .verdict-box,
        .detail-item,
        .info-box {
          box-shadow: none !important;
          -webkit-print-color-adjust: exact;
          print-color-adjust: exact;
        }
        /* Formularbereich ausblenden */
        .card,
        .btn-calc,
        #print-area,
        .disclaimer:last-of-type {
          display: none !important;
        }
        /* Ergebnis immer anzeigen */
        #result {
          display: block !important;
        }
        /* Druckheader */
        .print-header {
          display: block !important;
        }
        /* Keine Links blau */
        a {
          color: inherit !important;
          text-decoration: none !important;
        }
      }

      /* Druckheader (nur beim Drucken sichtbar) */
      .print-header {
        display: none;
        border-bottom: 2px solid var(--rot);
        padding-bottom: 10px;
        margin-bottom: 16px;
      }
      .print-header .print-logo {
        font-family: "Work Sans", normal;
        font-size: 20px;
        font-weight: 900;
        color: var(--rot);
      }
      .print-header .print-meta {
        font-size: 12px;
        color: #666;
        margin-top: 4px;
      }
      .print-summary {
        display: none;
        background: #f8f8f8;
        border-radius: 5px;
        padding: 12px 16px;
        margin-bottom: 12px;
        font-size: 13px;
        line-height: 1.7;
      }
      @media print {
        .print-summary {
          display: block !important;
        }
      }
/* ===== BERECHNUNGSSCHRITTE ===== */
.steps-details {
  background: white;
  border: 2px solid var(--rot);
  border-radius: 6px;
  margin-bottom: 12px;
  overflow: hidden;
}

.steps-summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  font-family: "Work Sans", sans-serif;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--rot);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.steps-summary::-webkit-details-marker { display: none; }

.steps-summary::before {
  content: "▶";
  font-size: 10px;
  transition: transform 0.2s;
  flex-shrink: 0;
}

.steps-details[open] .steps-summary::before {
  transform: rotate(90deg);
}

.steps-section-title {
  font-family: "Work Sans", sans-serif;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--rot);
  padding: 10px 18px 4px;
  border-top: 1px solid #f0d0d0;
}

.steps-details[open] .steps-section-title:first-of-type {
  border-top: 2px solid var(--rot);
}

.steps-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.steps-table tr:not(:last-child) td {
  border-bottom: 1px solid #f5e0e0;
}

.steps-table td {
  padding: 8px 18px;
  vertical-align: top;
  line-height: 1.4;
}

.steps-table td:first-child {
  color: #666;
  width: 55%;
}

.steps-table td:last-child {
  font-weight: 600;
  color: var(--schwarz);
  text-align: right;
}

@media (max-width: 400px) {
  .steps-table td:first-child { width: 50%; }
}

@media print {
  .steps-details { display: none !important; }
}