/* ============================================================
   VPI CALCULATOR – immoengine Design
   Extends landing.css design tokens for calculator subpage
   ============================================================ */

/* --- Subpage Hero (compact) --- */
.ie-subpage-hero {
    position: relative;
    min-height: 280px;
    display: flex;
    align-items: center;
    padding-top: 72px;
    overflow: hidden;
    background: var(--ie-dark);
}

.ie-subpage-hero .ie-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.ie-subpage-hero .ie-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.35;
}

.ie-subpage-hero .ie-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg,
            rgba(26, 26, 26, 0.88) 0%,
            rgba(26, 26, 26, 0.7) 50%,
            rgba(26, 26, 26, 0.5) 100%);
    z-index: 1;
}

.ie-subpage-hero-content {
    position: relative;
    z-index: 2;
    padding: 40px 0;
}

.ie-subpage-hero h1 {
    font-size: 36px;
    color: var(--ie-white);
    margin-bottom: 12px;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.ie-subpage-hero h1 .ie-accent {
    color: var(--ie-red);
}

.ie-subpage-hero p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    line-height: 1.6;
}

.ie-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.45);
}

.ie-breadcrumb a {
    color: rgba(255, 255, 255, 0.55);
    text-decoration: none;
    transition: var(--ie-transition-fast);
}

.ie-breadcrumb a:hover {
    color: var(--ie-white);
}

.ie-breadcrumb svg {
    width: 14px;
    height: 14px;
    opacity: 0.4;
}

/* --- Calculator Main Section --- */
.ie-calc-section {
    padding: 48px 0 80px;
    background: var(--ie-gray-50);
}

/* --- Info Banner --- */
.ie-calc-info {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 18px 22px;
    background: var(--ie-white);
    border-left: 4px solid var(--ie-red);
    border-radius: 0 var(--ie-radius-sm) var(--ie-radius-sm) 0 !important;
    margin-bottom: 32px;
    box-shadow: var(--ie-shadow-sm);
}

.ie-calc-info svg {
    width: 22px;
    height: 22px;
    color: var(--ie-red);
    flex-shrink: 0;
    margin-top: 2px;
}

.ie-calc-info p {
    font-size: 0.9rem;
    color: var(--ie-gray-700);
    line-height: 1.55;
}

.ie-calc-info strong {
    color: var(--ie-red);
    font-weight: 700;
}

/* --- Calculator Grid Layout --- */
.ie-calc-grid {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 32px;
    align-items: start;
}

/* --- Form Card --- */
.ie-calc-form {
    background: var(--ie-white);
    border-radius: var(--ie-radius-lg) !important;
    box-shadow: var(--ie-shadow);
    border: 1px solid var(--ie-gray-200);
    overflow: hidden;
}

.ie-calc-form-header {
    padding: 24px 28px 20px;
    border-bottom: 1px solid var(--ie-gray-100);
}

.ie-calc-form-header h3 {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--ie-dark);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.ie-calc-form-body {
    padding: 24px 28px 28px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* --- Form Groups --- */
.ie-form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ie-form-label {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--ie-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    display: flex;
    align-items: center;
    gap: 6px;
}

.ie-form-label svg {
    width: 16px;
    height: 16px;
    color: var(--ie-gray-500);
}

.ie-form-hint {
    font-size: 0.78rem;
    color: var(--ie-gray-500);
    margin-top: 4px;
    line-height: 1.4;
}

/* --- Input Fields --- */
.ie-input,
.ie-select {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--ie-font);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--ie-dark);
    background: var(--ie-white);
    border: 2px solid var(--ie-gray-200);
    border-radius: var(--ie-radius-sm) !important;
    transition: var(--ie-transition);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.ie-input:focus,
.ie-select:focus {
    border-color: var(--ie-red);
    box-shadow: 0 0 0 3px var(--ie-red-light);
}

.ie-input::placeholder {
    color: var(--ie-gray-400);
    font-weight: 400;
}

.ie-select {
    padding-right: 40px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23888888' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    cursor: pointer;
}

/* --- Input with prefix (EUR) --- */
.ie-input-prefix-wrap {
    position: relative;
}

.ie-input-prefix {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--ie-gray-500);
    pointer-events: none;
}

.ie-input-prefix-wrap .ie-input {
    padding-left: 52px;
}

/* --- Input with suffix (%) --- */
.ie-input-suffix-wrap {
    position: relative;
}

.ie-input-suffix {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--ie-gray-500);
    pointer-events: none;
}

.ie-input-suffix-wrap .ie-input {
    padding-right: 40px;
    text-align: right;
}

/* --- Row Grid (2 columns) --- */
.ie-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* --- Radio Cards --- */
.ie-radio-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ie-radio-card {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    background: var(--ie-white);
    border: 2px solid var(--ie-gray-200);
    border-radius: var(--ie-radius-sm) !important;
    cursor: pointer;
    transition: var(--ie-transition);
}

.ie-radio-card:hover {
    border-color: var(--ie-gray-300);
}

.ie-radio-card.active {
    border-color: var(--ie-red);
    background: rgba(242, 13, 13, 0.03);
}

.ie-radio-card input[type="radio"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--ie-red);
    flex-shrink: 0;
}

.ie-radio-card-title {
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--ie-dark);
    margin-bottom: 2px;
}

.ie-radio-card-desc {
    font-size: 0.78rem;
    color: var(--ie-gray-500);
    line-height: 1.4;
}

/* --- Section Divider --- */
.ie-form-divider {
    height: 1px;
    background: var(--ie-gray-100);
    margin: 4px 0;
}

/* --- Calculate Button --- */
.ie-btn-calculate {
    width: 100%;
    padding: 16px 32px;
    font-family: var(--ie-font);
    font-size: 1rem;
    font-weight: 800;
    color: var(--ie-white);
    background: var(--ie-red);
    border: none;
    border-radius: var(--ie-radius-sm) !important;
    cursor: pointer;
    transition: var(--ie-transition);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    box-shadow: var(--ie-shadow-red);
}

.ie-btn-calculate:hover {
    background: var(--ie-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(242, 13, 13, 0.4);
}

.ie-btn-calculate:active {
    transform: scale(0.97);
}

/* --- Reset Button ("Neue Berechnung") --- */
.ie-btn-reset {
    width: 100%;
    padding: 14px 24px;
    font-family: var(--ie-font);
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--ie-red);
    background: transparent;
    border: 2px solid var(--ie-red);
    border-radius: var(--ie-radius-sm) !important;
    cursor: pointer;
    transition: var(--ie-transition);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-top: 20px;
}

.ie-btn-reset:hover {
    background: var(--ie-red);
    color: var(--ie-white);
    box-shadow: var(--ie-shadow-red);
    transform: translateY(-1px);
}

.ie-btn-reset:active {
    transform: scale(0.97);
}

/* ============================================================
   RANGE SLIDER (Schwellenwert + Betrag)
   ============================================================ */
.ie-slider-wrap {
    position: relative;
    padding-top: 6px;
}

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

.ie-slider-value {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--ie-red);
    font-family: var(--ie-font);
    min-width: 60px;
    text-align: right;
}

.ie-slider-value span {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--ie-gray-500);
    margin-left: 2px;
}

.ie-slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.72rem;
    color: var(--ie-gray-400);
    font-weight: 500;
    margin-top: 6px;
}

/* Range input styling */
.ie-range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--ie-gray-200);
    border-radius: 999px !important;
    outline: none;
    transition: background 0.2s;
    cursor: pointer;
}

/* Track gradient fill (set via JS) */
.ie-range::-webkit-slider-runnable-track {
    height: 6px;
    border-radius: 999px;
}

.ie-range::-moz-range-track {
    height: 6px;
    border-radius: 999px;
    background: var(--ie-gray-200);
    border: none;
}

/* Thumb */
.ie-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    background: var(--ie-white);
    border: 3px solid var(--ie-red);
    border-radius: 50% !important;
    cursor: grab;
    transition: box-shadow 0.2s, transform 0.2s;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    margin-top: -8px;
}

.ie-range::-moz-range-thumb {
    width: 22px;
    height: 22px;
    background: var(--ie-white);
    border: 3px solid var(--ie-red);
    border-radius: 50% !important;
    cursor: grab;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.ie-range::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 2px 12px rgba(242, 13, 13, 0.3);
}

.ie-range::-moz-range-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 2px 12px rgba(242, 13, 13, 0.3);
}

.ie-range:active::-webkit-slider-thumb {
    cursor: grabbing;
    transform: scale(1.2);
}

/* --- Slider + Text Input Combo --- */
.ie-slider-combo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
}

.ie-slider-combo .ie-range {
    flex: 1;
}

.ie-slider-combo .ie-input {
    width: 110px;
    flex-shrink: 0;
    text-align: right;
    padding: 8px 12px;
    font-size: 0.9rem;
}

/* ============================================================
   RESULT SECTION
   ============================================================ */
.ie-result-card {
    background: var(--ie-white);
    border-radius: var(--ie-radius-lg) !important;
    box-shadow: var(--ie-shadow);
    border: 1px solid var(--ie-gray-200);
    overflow: hidden;
}

.ie-result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 28px;
    border-bottom: 1px solid var(--ie-gray-100);
}

.ie-result-header h3 {
    font-size: 1rem;
    font-weight: 800;
    color: var(--ie-dark);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.ie-result-body {
    padding: 28px;
}

/* --- Empty State --- */
.ie-result-empty {
    text-align: center;
    padding: 60px 20px;
    color: var(--ie-gray-400);
}

.ie-result-empty svg {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    opacity: 0.4;
    stroke: var(--ie-gray-300);
}

.ie-result-empty p {
    font-size: 0.9rem;
    line-height: 1.5;
}

/* --- Result Info Banners --- */
.ie-result-banner {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--ie-radius-sm) !important;
    margin-bottom: 16px;
    font-size: 0.85rem;
    line-height: 1.5;
}

.ie-result-banner svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 1px;
}

.ie-result-banner-info {
    background: var(--ie-gray-50);
    border: 1px solid var(--ie-gray-200);
    color: var(--ie-gray-700);
}

.ie-result-banner-warning {
    background: #FFF7ED;
    border: 1px solid #FED7AA;
    color: #92400E;
}

.ie-result-banner-contract {
    background: var(--ie-gray-50);
    border-left: 3px solid var(--ie-gray-400);
    border-radius: 0 var(--ie-radius-sm) var(--ie-radius-sm) 0 !important;
    color: var(--ie-gray-700);
}

/* --- Result Value Cards --- */
.ie-result-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.ie-result-value-card {
    padding: 18px;
    background: var(--ie-gray-50);
    border-radius: var(--ie-radius-sm) !important;
    border: 1px solid var(--ie-gray-100);
}

.ie-result-value-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ie-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 6px;
}

.ie-result-value-number {
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--ie-dark);
}

.ie-result-value-sub {
    font-size: 0.78rem;
    color: var(--ie-gray-500);
    margin-top: 4px;
}

/* --- Main Result Box --- */
.ie-result-main {
    padding: 28px;
    background: var(--ie-white);
    border: 2px solid var(--ie-red);
    border-radius: var(--ie-radius) !important;
    margin-bottom: 20px;
}

.ie-result-main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.ie-result-main-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
    color: var(--ie-gray-500);
    margin-bottom: 6px;
}

.ie-result-main-amount {
    font-size: 2rem;
    font-weight: 800;
    color: var(--ie-dark);
}

.ie-result-main-change {
    font-size: 2rem;
    font-weight: 800;
    text-align: right;
}

.ie-result-main-detail {
    font-size: 0.85rem;
    color: var(--ie-gray-600);
    margin-top: 4px;
    text-align: right;
}

.ie-text-green { color: #16A34A; }
.ie-text-red { color: var(--ie-red); }

/* --- Summary Row --- */
.ie-result-summary {
    padding: 14px 18px;
    background: var(--ie-gray-50);
    border-radius: var(--ie-radius-sm) !important;
    margin-bottom: 20px;
}

.ie-result-summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 4px 0;
    font-size: 0.88rem;
}

.ie-result-summary-row + .ie-result-summary-row {
    border-top: 1px solid var(--ie-gray-100);
    margin-top: 4px;
    padding-top: 8px;
}

.ie-result-summary-label {
    color: var(--ie-gray-600);
}

.ie-result-summary-value {
    font-weight: 700;
    color: var(--ie-dark);
}

/* --- Excel Export Button --- */
.ie-btn-export {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    min-width: 118px;
    padding: 9px 18px;
    font-family: var(--ie-font);
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--ie-dark);
    background: #fff;
    border: 1.5px solid var(--ie-gray-300);
    border-radius: var(--ie-radius-sm) !important;
    cursor: pointer;
    transition: var(--ie-transition);
}

.ie-btn-export:hover {
    background: var(--ie-gray-50);
    color: var(--ie-red);
    border-color: var(--ie-red);
}

.ie-btn-export svg {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}

/* ============================================================
   THRESHOLD TABLE
   ============================================================ */
.ie-threshold-section {
    margin-top: 24px;
    background: var(--ie-gray-50);
    border-radius: var(--ie-radius) !important;
    border: 1px solid var(--ie-gray-200);
    overflow: hidden;
}

.ie-threshold-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    background: var(--ie-white);
    border-bottom: 1px solid var(--ie-gray-200);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--ie-dark);
}

.ie-threshold-header svg {
    width: 18px;
    height: 18px;
    color: var(--ie-red);
}

.ie-threshold-table-wrap {
    overflow-x: auto;
}

.ie-threshold-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

.ie-threshold-table thead {
    background: var(--ie-white);
}

.ie-threshold-table th {
    padding: 10px 14px;
    font-weight: 700;
    color: var(--ie-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-size: 0.72rem;
    border-bottom: 2px solid var(--ie-gray-200);
    text-align: left;
    white-space: nowrap;
}

.ie-threshold-table th.text-right { text-align: right; }

.ie-threshold-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--ie-gray-100);
    color: var(--ie-gray-700);
}

.ie-threshold-table td.text-right { text-align: right; }

.ie-threshold-table tbody tr:nth-child(even) {
    background: var(--ie-white);
}

.ie-threshold-table tbody tr:hover {
    background: rgba(242, 13, 13, 0.02);
}

/* 3-Year highlight */
.ie-threshold-table tbody tr.ie-row-3year {
    background: #F0FDF4;
}

.ie-threshold-table tbody tr.ie-row-3year:hover {
    background: #DCFCE7;
}

.ie-row-3year-dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    background: #16A34A;
    border-radius: 50% !important;
    margin-left: 6px;
    vertical-align: middle;
}

/* Last row (result) */
.ie-threshold-table tbody tr.ie-row-result {
    background: #DCFCE7;
    font-weight: 700;
}

/* Total rows */
.ie-threshold-table tfoot tr {
    font-weight: 700;
}

.ie-threshold-total {
    background: var(--ie-gray-50);
    border-top: 2px solid var(--ie-gray-300);
}

.ie-threshold-total td {
    padding: 12px 14px;
    color: var(--ie-gray-700);
}

.ie-threshold-3year-total {
    background: #F0FDF4;
    border-top: 1px solid #BBF7D0;
}

.ie-threshold-3year-total td {
    color: #166534;
    padding: 12px 14px;
}

.ie-threshold-note {
    font-size: 0.72rem;
    font-weight: 400;
    color: var(--ie-gray-400);
    margin-right: 4px;
}

/* --- Explanation text below table --- */
.ie-threshold-explain {
    padding: 16px 20px;
    font-size: 0.85rem;
    color: var(--ie-gray-600);
    line-height: 1.6;
    border-top: 1px solid var(--ie-gray-200);
}

.ie-threshold-explain strong {
    color: var(--ie-dark);
}

/* --- Result Footer --- */
.ie-result-footer {
    text-align: center;
    padding: 16px 0 0;
    font-size: 0.82rem;
    color: var(--ie-gray-500);
    line-height: 1.5;
}

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

@media (max-width: 768px) {
    .ie-subpage-hero {
        min-height: 220px;
    }

    .ie-subpage-hero h1 {
        font-size: 28px;
    }

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

    .ie-result-main-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .ie-result-main-change {
        text-align: left;
    }

    .ie-result-main-detail {
        text-align: left;
    }

    .ie-result-main-amount,
    .ie-result-main-change {
        font-size: 1.5rem;
    }

    .ie-calc-form-body {
        padding: 20px;
    }

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

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

    .ie-threshold-table {
        font-size: 0.75rem;
    }

    .ie-threshold-table th,
    .ie-threshold-table td {
        padding: 8px 10px;
    }
}

@media (max-width: 480px) {
    .ie-subpage-hero h1 {
        font-size: 24px;
    }

    .ie-slider-value {
        font-size: 1.2rem;
    }

    .ie-result-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
}