/* ============================================================
   RICHTWERT CALCULATOR – immoengine Design
   Extends landing.css + vpi-calculator.css design tokens
   for richtwert calculator subpage
   ============================================================ */

/* --- Tab Navigation --- */
.ie-rw-tabs {
    display: flex;
    gap: 0;
    background: var(--ie-white);
    border-radius: var(--ie-radius-lg) var(--ie-radius-lg) 0 0;
    overflow-x: auto;
    border: 1px solid var(--ie-gray-200);
    border-bottom: 2px solid var(--ie-gray-200);
    -webkit-overflow-scrolling: touch;
}

.ie-rw-tab {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 24px;
    font-family: var(--ie-font);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--ie-gray-500);
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    transition: var(--ie-transition);
    white-space: nowrap;
    position: relative;
    margin-bottom: -2px;
}

.ie-rw-tab:hover {
    color: var(--ie-gray-700);
    background: var(--ie-gray-50);
}

.ie-rw-tab.active {
    color: var(--ie-red);
    border-bottom-color: var(--ie-red);
    background: rgba(242, 13, 13, 0.03);
    font-weight: 700;
}

.ie-rw-tab svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.ie-rw-badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 0.65rem;
    font-weight: 800;
    color: var(--ie-white);
    background: var(--ie-red);
    border-radius: 99px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    line-height: 1.3;
}

/* --- Tab Content --- */
.ie-rw-content {
    display: none;
    padding: 32px 0 0;
    animation: ieRwFadeIn 0.3s ease;
}

.ie-rw-content.active {
    display: block;
}

@keyframes ieRwFadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Richtwerte Cards Grid (Aktuelle Richtwerte) --- */
.ie-rw-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.ie-rw-card {
    background: var(--ie-white);
    border: 1px solid var(--ie-gray-200);
    border-radius: var(--ie-radius);
    padding: 20px 22px;
    transition: var(--ie-transition);
    cursor: default;
}

.ie-rw-card:hover {
    box-shadow: var(--ie-shadow);
    border-color: var(--ie-gray-300);
    transform: translateY(-2px);
}

.ie-rw-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.ie-rw-card-name {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--ie-dark);
}

.ie-rw-badge-highest {
    display: inline-block;
    padding: 2px 10px;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--ie-red);
    background: rgba(242, 13, 13, 0.08);
    border-radius: 99px;
}

.ie-rw-badge-lowest {
    display: inline-block;
    padding: 2px 10px;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--ie-gray-600);
    background: var(--ie-gray-100);
    border-radius: 99px;
}

.ie-rw-card-value {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--ie-red);
    letter-spacing: -0.02em;
}

.ie-rw-card-unit {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--ie-gray-500);
    margin-left: 2px;
}

/* --- Scope Box (Anwendungsbereich) --- */
.ie-rw-scope-box {
    background: var(--ie-gray-50);
    border: 1px solid var(--ie-gray-200);
    border-radius: var(--ie-radius);
    padding: 24px 28px;
}

.ie-rw-scope-box h4 {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--ie-dark);
    margin-bottom: 14px;
}

.ie-rw-scope-box h4 svg {
    color: var(--ie-red);
}

.ie-rw-scope-box ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ie-rw-scope-box li {
    position: relative;
    padding: 6px 0 6px 20px;
    font-size: 0.88rem;
    color: var(--ie-gray-700);
    line-height: 1.5;
}

.ie-rw-scope-box li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--ie-red);
    font-weight: 700;
}

.ie-rw-scope-box li strong {
    color: var(--ie-dark);
}

/* --- Historical Controls --- */
.ie-rw-historical-controls {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.ie-rw-historical-notes {
    margin-top: 20px;
    padding: 16px 20px;
    background: var(--ie-gray-50);
    border-radius: var(--ie-radius-sm);
    border: 1px solid var(--ie-gray-100);
}

.ie-rw-historical-notes p {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--ie-gray-600);
    margin-bottom: 6px;
}

.ie-rw-historical-notes ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ie-rw-historical-notes li {
    font-size: 0.78rem;
    color: var(--ie-gray-500);
    padding: 2px 0 2px 16px;
    position: relative;
    line-height: 1.5;
}

.ie-rw-historical-notes li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--ie-gray-400);
}

/* --- Footer --- */
.ie-rw-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 16px 28px;
    background: var(--ie-gray-50);
    border-top: 1px solid var(--ie-gray-200);
    border-radius: 0 0 var(--ie-radius-lg) var(--ie-radius-lg);
    margin-top: 32px;
    font-size: 0.78rem;
    color: var(--ie-gray-500);
}

.ie-rw-footer strong {
    font-weight: 700;
    color: var(--ie-gray-600);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .ie-rw-cards-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .ie-rw-tabs {
        border-radius: var(--ie-radius) var(--ie-radius) 0 0;
    }

    .ie-rw-tab {
        padding: 12px 16px;
        font-size: 0.82rem;
    }

    .ie-rw-tab svg {
        display: none;
    }

    .ie-rw-content {
        padding: 24px 0 0;
    }

    .ie-rw-cards-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .ie-rw-card {
        padding: 16px 18px;
    }

    .ie-rw-card-value {
        font-size: 1.3rem;
    }

    .ie-rw-scope-box {
        padding: 18px 20px;
    }

    .ie-rw-historical-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .ie-rw-footer {
        flex-direction: column;
        text-align: center;
    }

    .ie-calc-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .ie-rw-tab {
        padding: 10px 12px;
        font-size: 0.78rem;
    }
}

/* --- IE Mietzins Accordion & Checkboxes --- */
.ie-accordion {
    border: 1px solid var(--ie-gray-200);
    border-radius: var(--ie-radius);
    margin-bottom: 12px;
    background: var(--ie-white);
    overflow: hidden;
    transition: var(--ie-transition);
}

.ie-accordion.open {
    border-color: var(--ie-red);
    box-shadow: 0 4px 12px rgba(242, 13, 13, 0.08);
}

.ie-accordion-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: var(--ie-transition);
}

.ie-accordion-header:hover {
    background: var(--ie-gray-50);
}

.ie-accordion.open .ie-accordion-header {
    background: rgba(242, 13, 13, 0.03);
    border-bottom: 1px solid rgba(242, 13, 13, 0.1);
}

.ie-accordion-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--ie-dark);
}

.ie-accordion-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.ie-accordion-count {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--ie-gray-500);
    background: var(--ie-gray-100);
    padding: 2px 8px;
    border-radius: 99px;
}

.ie-accordion.open .ie-accordion-count {
    color: var(--ie-red);
    background: rgba(242, 13, 13, 0.1);
}

.ie-accordion-icon {
    font-size: 0.8rem;
    color: var(--ie-gray-400);
    transition: transform 0.3s;
}

.ie-accordion.open .ie-accordion-icon {
    transform: rotate(180deg);
    color: var(--ie-red);
}

.ie-accordion-content {
    display: none;
    padding: 12px;
}

.ie-accordion.open .ie-accordion-content {
    display: block;
    animation: ieRwFadeIn 0.3s ease;
}

.ie-checkbox-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    margin-bottom: 6px;
    border-radius: var(--ie-radius-sm);
    background: var(--ie-gray-50);
    border: 1px solid var(--ie-gray-100);
    cursor: pointer;
    transition: var(--ie-transition);
}

.ie-checkbox-row:last-child {
    margin-bottom: 0;
}

.ie-checkbox-row:hover {
    background: var(--ie-white);
    border-color: var(--ie-gray-300);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
}

.ie-checkbox-row.selected {
    background: rgba(242, 13, 13, 0.03);
    border-color: rgba(242, 13, 13, 0.3);
}

.ie-checkbox-label {
    font-size: 0.88rem;
    color: var(--ie-dark);
    font-weight: 500;
}

.ie-checkbox-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.ie-checkbox-value {
    font-size: 0.85rem;
    font-weight: 700;
}

.ie-checkbox-value.positive {
    color: var(--ie-green);
}

.ie-checkbox-value.negative {
    color: var(--ie-red);
}

.ie-checkbox-input {
    width: 20px;
    height: 20px;
    accent-color: var(--ie-red);
    cursor: pointer;
}

.ie-mz-result {
    background: var(--ie-white);
    border: 2px solid var(--ie-red);
    border-radius: var(--ie-radius-lg);
    box-shadow: 0 10px 30px rgba(242, 13, 13, 0.08);
    position: sticky;
    top: 24px;
}

.ie-mz-result-header {
    text-align: center;
    padding: 24px 24px 20px;
    background: rgba(242, 13, 13, 0.02);
    border-bottom: 1px solid rgba(242, 13, 13, 0.1);
    border-radius: calc(var(--ie-radius-lg) - 2px) calc(var(--ie-radius-lg) - 2px) 0 0;
}

.ie-mz-result-total {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--ie-red);
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin: 8px 0 4px;
}

.ie-mz-result-body {
    padding: 20px 24px;
}

.ie-mz-result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    font-size: 0.88rem;
    color: var(--ie-gray-600);
}

.ie-mz-result-row.total {
    border-top: 1px solid var(--ie-gray-200);
    margin-top: 8px;
    padding-top: 12px;
    font-weight: 700;
    color: var(--ie-dark);
}

/* ============================================================
   BUNDESLAND NAVIGATION CHIPS
   ============================================================ */
.ie-bl-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 24px 0 8px;
    justify-content: center;
}

.ie-bl-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--ie-white);
    border: 1px solid var(--ie-gray-200);
    border-radius: 99px;
    font-family: var(--ie-font);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--ie-gray-700);
    text-decoration: none;
    transition: var(--ie-transition);
    white-space: nowrap;
}

.ie-bl-chip:hover {
    border-color: var(--ie-red);
    color: var(--ie-red);
    box-shadow: 0 4px 12px rgba(242, 13, 13, 0.08);
    transform: translateY(-1px);
}

.ie-bl-chip.active {
    background: var(--ie-red);
    border-color: var(--ie-red);
    color: var(--ie-white);
    box-shadow: 0 4px 16px rgba(242, 13, 13, 0.2);
}

.ie-bl-chip.active .ie-bl-chip-value {
    color: rgba(255, 255, 255, 0.85);
}

.ie-bl-chip-value {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--ie-gray-400);
}

/* Active card in grid */
.ie-rw-card-active {
    border-color: var(--ie-red) !important;
    box-shadow: 0 4px 16px rgba(242, 13, 13, 0.1) !important;
}

/* Bundesland content from WP editor */
.ie-bl-content {
    background: var(--ie-white);
    border: 1px solid var(--ie-gray-200);
    border-radius: var(--ie-radius-lg);
    padding: 32px 40px;
    line-height: 1.7;
    font-size: 0.95rem;
    color: var(--ie-gray-700);
}

.ie-bl-content h2 {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--ie-dark);
    margin: 28px 0 12px;
}

.ie-bl-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--ie-dark);
    margin: 20px 0 10px;
}

.ie-bl-content p {
    margin-bottom: 16px;
}

.ie-bl-content ul,
.ie-bl-content ol {
    padding-left: 24px;
    margin-bottom: 16px;
}

.ie-bl-content li {
    margin-bottom: 6px;
}

.ie-bl-content strong {
    color: var(--ie-dark);
}

@media (max-width: 768px) {
    .ie-bl-nav {
        gap: 6px;
    }

    .ie-bl-chip {
        padding: 8px 14px;
        font-size: 0.78rem;
    }

    .ie-bl-chip-value {
        display: none;
    }

    .ie-bl-content {
        padding: 24px 20px;
    }
}