/**
 * Frontend-Styles für Sanierungs-ROI-Rechner
 */

/* === Variablen === */
:root {
    --tsr-primary: #1A2A4D;
    --tsr-primary-hover: #0f1a35;
    --tsr-secondary: #6b7280;
    --tsr-success: #10b981;
    --tsr-warning: #f59e0b;
    --tsr-error: #ef4444;
    --tsr-border: #e5e7eb;
    --tsr-bg: #f9fafb;
    --tsr-card-bg: #ffffff;
    --tsr-text: #1f2937;
    --tsr-text-muted: #6b7280;
    --tsr-radius: 12px;
    --tsr-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --tsr-shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
}

/* === Wrapper === */
.tsr-rechner-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* === Header === */
.tsr-header {
    text-align: center;
    margin-bottom: 3rem;
}

.tsr-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--tsr-text);
    margin: 0 0 1rem 0;
    line-height: 1.2;
}

.tsr-subtitle {
    font-size: 1.25rem;
    color: var(--tsr-text-muted);
    margin: 0 0 2.5rem 0;
    line-height: 1.6;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* USP Grid */
.tsr-usp-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.tsr-usp-item {
    text-align: center;
}

.tsr-usp-icon {
    width: 48px;
    height: 48px;
    color: var(--tsr-primary);
    margin: 0 auto 1rem;
    display: block;
}

.tsr-usp-content h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--tsr-text);
    margin: 0 0 0.5rem 0;
}

.tsr-usp-content p {
    font-size: 0.875rem;
    color: var(--tsr-text-muted);
    margin: 0;
    line-height: 1.5;
}

/* === Card === */
.tsr-card {
    background: var(--tsr-card-bg);
    border-radius: var(--tsr-radius);
    box-shadow: var(--tsr-shadow-lg);
    padding: 3rem 2.5rem;
    margin-bottom: 2rem;
}

/* === Form Sections === */
.tsr-form-section {
    display: none;
}

.tsr-form-section.active {
    display: block;
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.tsr-section-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tsr-section-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--tsr-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    flex-shrink: 0;
}

.tsr-section-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--tsr-text);
    margin: 0.25rem 0 0.5rem 0;
}

.tsr-section-subtitle {
    color: var(--tsr-text-muted);
    margin: 0;
}

/* === Form === */
.tsr-form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.tsr-form-group {
    display: flex;
    flex-direction: column;
}

.tsr-label {
    font-weight: 600;
    color: var(--tsr-text);
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.tsr-label-hint {
    font-weight: 400;
    color: var(--tsr-text-muted);
    font-size: 0.75rem;
}

.tsr-required {
    color: var(--tsr-error);
}

.tsr-input,
.tsr-select {
    padding: 0.75rem 1rem;
    border: 2px solid var(--tsr-border);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.2s;
    background: white;
}

.tsr-input:focus,
.tsr-select:focus {
    outline: none;
    border-color: var(--tsr-primary);
    box-shadow: 0 0 0 3px rgba(26, 42, 77, 0.1);
}

/* === Maßnahmen-Filter === */
.tsr-massnahmen-filter {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--tsr-border);
}

.tsr-filter-btn {
    padding: 0.625rem 1.25rem;
    border: 1px solid var(--tsr-border);
    background: white;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s;
    color: var(--tsr-text);
}

.tsr-filter-btn:hover {
    border-color: var(--tsr-primary);
    background: #f9fafb;
    color: var(--tsr-primary);
}

.tsr-filter-btn.active {
    background: var(--tsr-primary);
    color: white;
    border-color: var(--tsr-primary);
}

/* === Maßnahmen-Grid === */
.tsr-massnahmen-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.tsr-massnahme-card {
    border: 2px solid var(--tsr-border);
    border-radius: 12px;
    background: white;
    transition: all 0.2s;
    cursor: pointer;
}

.tsr-massnahme-card:hover {
    border-color: var(--tsr-primary);
    box-shadow: var(--tsr-shadow-lg);
    transform: translateY(-2px);
}

.tsr-massnahme-card.selected {
    border-color: var(--tsr-primary);
    background: #f0f4ff;
    box-shadow: 0 0 0 3px rgba(26, 42, 77, 0.1);
}

.tsr-massnahme-label {
    display: block;
    cursor: pointer;
}

.tsr-massnahme-checkbox {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.tsr-massnahme-content {
    padding: 1.5rem;
}

.tsr-massnahme-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.tsr-massnahme-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--tsr-text);
    margin: 0;
    line-height: 1.3;
}

.tsr-massnahme-prioritaet {
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.tsr-prioritaet-sehr_hoch {
    background: #fee2e2;
    color: #991b1b;
}

.tsr-prioritaet-hoch {
    background: #fef3c7;
    color: #92400e;
}

.tsr-prioritaet-mittel {
    background: #dbeafe;
    color: #1e40af;
}

.tsr-prioritaet-niedrig {
    background: #f3f4f6;
    color: #4b5563;
}

.tsr-massnahme-beschreibung {
    color: var(--tsr-text-muted);
    font-size: 0.875rem;
    margin: 0 0 1rem 0;
    line-height: 1.5;
}

.tsr-massnahme-stats {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: #f9fafb;
    border-radius: 8px;
}

.tsr-stat {
    flex: 1;
}

.tsr-stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--tsr-text-muted);
    margin-bottom: 0.25rem;
}

.tsr-stat-value {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: var(--tsr-text);
}

.tsr-roi-gut {
    color: var(--tsr-success);
}

.tsr-roi-mittel {
    color: var(--tsr-warning);
}

.tsr-massnahme-tipp {
    padding: 0.75rem;
    background: #fffbeb;
    border-left: 3px solid var(--tsr-warning);
    border-radius: 6px;
    font-size: 0.8125rem;
    line-height: 1.5;
}

/* === Buttons === */
.tsr-btn {
    padding: 0.875rem 2rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.tsr-btn-primary {
    background: var(--tsr-primary);
    color: white;
}

.tsr-btn-primary:hover {
    background: var(--tsr-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--tsr-shadow-lg);
}

.tsr-btn-secondary {
    background: white;
    color: var(--tsr-text);
    border: 2px solid var(--tsr-border);
}

.tsr-btn-secondary:hover {
    border-color: var(--tsr-primary);
    color: var(--tsr-primary);
}

.tsr-btn-success {
    background: var(--tsr-success);
    color: white;
}

.tsr-btn-success:hover {
    background: #059669;
}

.tsr-form-actions {
    display: flex;
    gap: 1rem;
    justify-content: space-between;
    margin-top: 2rem;
}

/* === Ergebnis === */
.tsr-ergebnis-zusammenfassung {
    margin-bottom: 2rem;
}

.tsr-ergebnis-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.tsr-ergebnis-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.tsr-ampel {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
}

.tsr-ampel-gruen {
    background: #d1fae5;
    color: #065f46;
}

.tsr-ampel-gelb {
    background: #fef3c7;
    color: #92400e;
}

.tsr-ampel-rot {
    background: #fee2e2;
    color: #991b1b;
}

.tsr-ergebnis-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.tsr-stat-box {
    padding: 1.5rem;
    background: #f9fafb;
    border-radius: 12px;
    border: 2px solid var(--tsr-border);
}

.tsr-stat-box.tsr-highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
}

.tsr-stat-box.tsr-highlight .tsr-stat-label,
.tsr-stat-box.tsr-highlight .tsr-stat-value,
.tsr-stat-box.tsr-highlight .tsr-stat-change {
    color: white;
}

.tsr-stat-box.tsr-positive {
    background: #d1fae5;
    border-color: var(--tsr-success);
}

.tsr-stat-box.tsr-negative {
    background: #fee2e2;
    border-color: var(--tsr-error);
}

.tsr-stat-box.tsr-roi-excellent {
    background: #d1fae5;
    border-color: var(--tsr-success);
}

.tsr-stat-box.tsr-roi-good {
    background: #dbeafe;
    border-color: #3b82f6;
}

.tsr-stat-box.tsr-roi-neutral {
    background: #fef3c7;
    border-color: var(--tsr-warning);
}

.tsr-stat-box.tsr-roi-bad {
    background: #fee2e2;
    border-color: var(--tsr-error);
}

.tsr-stat-box .tsr-stat-label {
    font-size: 0.875rem;
    color: var(--tsr-text-muted);
    margin-bottom: 0.5rem;
}

.tsr-stat-box .tsr-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--tsr-text);
}

.tsr-stat-box .tsr-stat-value.tsr-big {
    font-size: 2rem;
}

.tsr-stat-change {
    font-size: 0.875rem;
    color: var(--tsr-success);
    margin-top: 0.25rem;
}

/* === Empfehlung === */
.tsr-empfehlung {
    padding: 2rem;
    background: #fffbeb;
    border-radius: 12px;
    border: 2px solid var(--tsr-warning);
    margin-bottom: 2rem;
}

.tsr-empfehlung h4 {
    font-size: 1.25rem;
    margin: 0 0 1rem 0;
}

.tsr-prioritaeten ol {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.tsr-prioritaeten li {
    margin-bottom: 1rem;
}

.tsr-grund {
    color: var(--tsr-text-muted);
    font-size: 0.875rem;
}

.tsr-hinweise {
    margin-top: 1rem;
}

.tsr-hinweis {
    padding: 0.75rem 1rem;
    background: white;
    border-left: 3px solid var(--tsr-warning);
    border-radius: 6px;
    margin-bottom: 0.5rem;
}

/* === Detaillierte Maßnahmen === */
.tsr-massnahmen-details {
    margin-bottom: 2rem;
}

.tsr-massnahmen-details h4 {
    font-size: 1.25rem;
    margin: 0 0 1rem 0;
}

.tsr-massnahmen-table {
    overflow-x: auto;
}

.tsr-massnahmen-table table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
}

.tsr-massnahmen-table th {
    background: var(--tsr-primary);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

.tsr-massnahmen-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--tsr-border);
}

.tsr-massnahmen-table tr:last-child td {
    border-bottom: none;
}

.tsr-massnahmen-table .tsr-positive {
    color: var(--tsr-success);
    font-weight: 600;
}

.tsr-massnahmen-table .tsr-negative {
    color: var(--tsr-error);
    font-weight: 600;
}

.tsr-massnahmen-table .tsr-negative-row {
    background: #fef2f2;
}

/* === Kontaktformular === */
.tsr-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
}

.tsr-checkbox-label input[type="checkbox"] {
    margin-top: 0.25rem;
}

.tsr-datenschutz {
    padding: 1rem;
    background: #f9fafb;
    border-radius: 8px;
    margin: 1.5rem 0;
}

/* === Erfolgs-Nachricht === */
#tsr-success-message {
    text-align: center;
    padding: 3rem 2rem;
}

.tsr-success-icon {
    width: 80px;
    height: 80px;
    background: var(--tsr-success);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.tsr-success-icon svg {
    width: 48px;
    height: 48px;
}

.tsr-success-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 0 1rem 0;
}

.tsr-success-text {
    color: var(--tsr-text-muted);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.tsr-success-steps {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
    text-align: left;
}

.tsr-success-step {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.25rem;
    background: #f9fafb;
    border-radius: 8px;
    border: 1px solid var(--tsr-border);
}

.tsr-step-icon {
    width: 24px;
    height: 24px;
    color: var(--tsr-success);
    flex-shrink: 0;
}

.tsr-success-step span {
    font-size: 0.9375rem;
    color: var(--tsr-text);
    line-height: 1.5;
}

/* === Loading === */
#tsr-loading {
    text-align: center;
    padding: 3rem;
}

.tsr-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--tsr-border);
    border-top-color: var(--tsr-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1rem;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* === Info-Box === */
.tsr-info-box {
    background: var(--tsr-primary);
    color: white;
    padding: 3rem 2.5rem;
    border-radius: var(--tsr-radius);
    margin-top: 3rem;
}

.tsr-info-box h3 {
    text-align: center;
    font-size: 1.5rem;
    margin: 0 0 2.5rem 0;
    font-weight: 700;
}

.tsr-info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.tsr-info-item {
    text-align: center;
}

.tsr-info-icon {
    width: 48px;
    height: 48px;
    color: white;
    margin: 0 auto 1rem;
    display: block;
    opacity: 0.95;
}

.tsr-info-item h4 {
    font-size: 1.125rem;
    margin: 0 0 0.5rem 0;
    font-weight: 600;
}

.tsr-info-item p {
    font-size: 0.875rem;
    opacity: 0.85;
    margin: 0;
    line-height: 1.5;
}

/* === Responsive === */
@media (max-width: 1024px) {
    .tsr-usp-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tsr-ergebnis-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tsr-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .tsr-title {
        font-size: 1.75rem;
    }
    
    .tsr-subtitle {
        font-size: 1rem;
    }
    
    .tsr-usp-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .tsr-card {
        padding: 2rem 1.5rem;
    }
    
    .tsr-form-row {
        grid-template-columns: 1fr;
    }
    
    .tsr-massnahmen-grid {
        grid-template-columns: 1fr;
    }
    
    .tsr-massnahmen-filter {
        flex-direction: column;
    }
    
    .tsr-ergebnis-stats {
        grid-template-columns: 1fr;
    }
    
    .tsr-success-steps {
        grid-template-columns: 1fr;
    }
    
    .tsr-info-grid {
        grid-template-columns: 1fr;
    }
    
    .tsr-form-actions {
        flex-direction: column;
    }
}