/* DOSIGNY — Tool roi-rechner: Logik unverändert aus tools/roi-rechner.php übernommen (umgewandelt von werkzeuge_umbauen.py). */
.dz-tool .tool-container { padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl); min-height: 100vh; }
.dz-tool .tool-header { text-align: center; margin-bottom: var(--spacing-xl); }
.dz-tool .tool-header__title { font-size: clamp(1.75rem, 4vw, 2.5rem); margin-bottom: var(--spacing-sm); }
.dz-tool .tool-header__desc { color: var(--color-text-muted); max-width: 600px; margin: 0 auto; }
.dz-tool .tool-back { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--color-text-muted); text-decoration: none; margin-bottom: var(--spacing-md); font-size: 0.9rem; }
.dz-tool .tool-back:hover { color: var(--color-primary); }
.dz-tool .tool-box {
            max-width: 700px;
            margin: 0 auto;
            background: rgba(255,255,255,0.03);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
        }
.dz-tool .input-group { margin-bottom: var(--spacing-md); }
.dz-tool .input-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 500;
        }
.dz-tool .input-group small {
            display: block;
            color: var(--color-text-muted);
            font-size: 0.85rem;
            margin-bottom: 0.5rem;
        }
.dz-tool .input-group input {
            width: 100%;
            padding: 0.875rem 1rem;
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-sm);
            color: var(--color-text);
            font-size: 1rem;
        }
.dz-tool .input-group input:focus {
            outline: none;
            border-color: var(--color-primary);
        }
.dz-tool .input-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-md);
        }
@media (max-width: 600px) {.dz-tool .input-row { grid-template-columns: 1fr; }

        }
.dz-tool .results {
            margin-top: var(--spacing-lg);
            padding: var(--spacing-lg);
            background: rgba(255,255,255,0.02);
            border-radius: var(--radius-md);
        }
.dz-tool .results__title {
            font-size: 1.1rem;
            margin-bottom: var(--spacing-md);
            padding-bottom: var(--spacing-sm);
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
.dz-tool .result-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: var(--spacing-md);
        }
.dz-tool .result-card {
            background: rgba(255,255,255,0.03);
            padding: var(--spacing-md);
            border-radius: var(--radius-sm);
            text-align: center;
        }
.dz-tool .result-card--highlight {
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
        }
.dz-tool .result-card__label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 0.25rem;
        }
.dz-tool .result-card--highlight .result-card__label {
            color: rgba(255,255,255,0.8);
        }
.dz-tool .result-card__value {
            font-size: 1.5rem;
            font-weight: 700;
        }
.dz-tool .insight {
            margin-top: var(--spacing-lg);
            padding: var(--spacing-md);
            background: rgba(99, 102, 241, 0.1);
            border-left: 3px solid var(--color-primary);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }
.dz-tool .insight__title {
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
.dz-tool .insight__text {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }