/* ============================================================
   BETTERMANN IMMOBILIEN – Rechner-System (Welle 1 Pilot)
   Aufbauend auf shared.css. Wird von allen 9 Rechnern genutzt.
   ============================================================ */

/* --- Rechner-Shell --- */
.rechner-shell {
    background: var(--color-surface);
    border: 1px solid rgba(196, 154, 108, 0.18);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.04);
    padding: var(--space-40);
    margin-block: var(--space-32);
    scroll-margin-top: var(--space-fluid-xl);
}
@media (max-width: 768px) {
    .rechner-shell { padding: 1.5rem; }
}
.rechner-shell-header {
    border-bottom: 1px solid rgba(196, 154, 108, 0.15);
    padding-bottom: var(--space-24);
    margin-bottom: var(--space-32);
}
.rechner-shell-kicker {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin: 0 0 0.5rem;
}
.rechner-shell-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.15;
    color: #FFFFFF;
    margin: 0 0 0.75rem;
}
.rechner-shell-lead {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 300;
    line-height: 1.7;
    color: #FFFFFF;
    max-width: 56rem;
    margin: 0;
}

/* --- Zwei-Spalten-Layout: Eingabe links, Ausgabe rechts (Desktop) --- */
.rechner-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-40);
    align-items: start;
    min-width: 0;
}
@media (max-width: 960px) {
    .rechner-grid { grid-template-columns: 1fr; gap: 1.75rem; }
}

/* --- Eingabe-Bereich --- */
.rechner-inputs { min-width: 0; }
.rechner-inputs > * + * { margin-top: var(--space-24); }
.rechner-field {
    display: flex;
    flex-direction: column;
    gap: var(--space-8);
}
.rechner-field label,
.rechner-field .rechner-label {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-gold);
}
.rechner-field-hint {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    font-weight: 300;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.6) !important;
    margin: 0;
}

/* Inputs (Text, Number) */
.rechner-input,
.rechner-select {
    width: 100%;
    padding-block: var(--space-12);
    padding-inline: var(--space-16);
    background: rgba(10, 10, 15, 0.5);
    border: 1px solid rgba(196, 154, 108, 0.25);
    color: #FFFFFF;
    font-family: var(--font-body);
    font-size: 1.0625rem;
    font-weight: 500;
    transition: border-color 0.3s, background 0.3s, box-shadow 0.3s;
    appearance: none;
    -moz-appearance: textfield;
}
.rechner-input::-webkit-outer-spin-button,
.rechner-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
.rechner-input:focus,
.rechner-select:focus {
    border-color: var(--color-gold);
    background: rgba(10, 10, 15, 0.7);
    box-shadow: 0 0 0 3px rgba(196, 154, 108, 0.15);
}
.rechner-input:focus-visible,
.rechner-select:focus-visible,
.rechner-slider:focus-visible {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}
.rechner-select {
    background-image: url("data:image/svg+xml,%3Csvg fill='%23C49A6C' viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.875rem center;
    background-size: 1.25rem;
    padding-right: 2.75rem;
    cursor: pointer;
}

/* Input mit Suffix-Einheit (€, %, m²) */
.rechner-input-group {
    position: relative;
    display: flex;
    align-items: center;
}
.rechner-input-group .rechner-input {
    padding-right: 3rem;
}
.rechner-input-suffix {
    position: absolute;
    right: 1rem;
    pointer-events: none;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-gold);
}

/* Slider */
.rechner-slider-row {
    display: flex;
    align-items: center;
    gap: var(--space-16);
}
.rechner-slider {
    flex: 1;
    min-width: 0;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    background: rgba(196, 154, 108, 0.2);
    outline: none;
    cursor: pointer;
}
.rechner-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #D4B08C 0%, #C49A6C 50%, #A67C52 100%);
    border: 2px solid #0A0A0F;
    box-shadow: 0 2px 8px rgba(196, 154, 108, 0.5);
    cursor: pointer;
    border-radius: 50%;
    transition: transform 0.2s;
}
.rechner-slider::-webkit-slider-thumb:hover { transform: scale(1.15); }
.rechner-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #D4B08C 0%, #C49A6C 50%, #A67C52 100%);
    border: 2px solid #0A0A0F;
    box-shadow: 0 2px 8px rgba(196, 154, 108, 0.5);
    cursor: pointer;
    border-radius: 50%;
}
.rechner-slider-value {
    min-width: 6rem;
    padding-block: var(--space-8);
    padding-inline: var(--space-12);
    background: rgba(196, 154, 108, 0.08);
    border: 1px solid rgba(196, 154, 108, 0.25);
    color: var(--color-gold);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    text-align: center;
}

/* Radio Group */
.rechner-radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-16);
}
.rechner-radio {
    flex: 1 1 auto;
    min-width: 7rem;
    position: relative;
    cursor: pointer;
}
.rechner-radio input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
.rechner-radio-label {
    display: block;
    padding: 0.75rem 1rem;
    background: rgba(10, 10, 15, 0.5);
    border: 1px solid rgba(196, 154, 108, 0.2);
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: #FFFFFF;
    text-align: center;
    transition: all 0.3s;
}
.rechner-radio:hover .rechner-radio-label {
    border-color: rgba(196, 154, 108, 0.4);
}
.rechner-radio input:checked + .rechner-radio-label {
    background: rgba(196, 154, 108, 0.12);
    border-color: var(--color-gold);
    color: var(--color-gold);
}
.rechner-radio input:focus-visible + .rechner-radio-label {
    outline: 2px solid var(--color-gold);
    outline-offset: 2px;
}

/* Toggle */
.rechner-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-16);
    cursor: pointer;
}
.rechner-toggle input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}
.rechner-toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
    background: rgba(196, 154, 108, 0.15);
    border: 1px solid rgba(196, 154, 108, 0.3);
    transition: background 0.3s;
    flex-shrink: 0;
}
.rechner-toggle-switch::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    background: rgba(255, 255, 255, 0.6);
    transition: all 0.3s;
}
.rechner-toggle input:checked + .rechner-toggle-switch {
    background: var(--color-gold);
    border-color: var(--color-gold);
}
.rechner-toggle input:checked + .rechner-toggle-switch::after {
    left: 22px;
    background: #0A0A0F;
}
.rechner-toggle input:focus-visible + .rechner-toggle-switch {
    box-shadow: 0 0 0 3px rgba(196, 154, 108, 0.25);
}
.rechner-toggle-text {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: #FFFFFF;
}

/* Aufklappbare Sub-Felder (z.B. bei Toggle = an) */
.rechner-subfields {
    margin-top: var(--space-16);
    padding-left: var(--space-24);
    border-left: 2px solid rgba(196, 154, 108, 0.2);
    display: none;
}
.rechner-subfields.is-open {
    display: block;
    animation: fadeInUp 0.3s ease-out;
}
.rechner-subfields > * + * { margin-top: var(--space-24); }

/* --- Ausgabe-Block --- */
.rechner-output {
    min-width: 0;
    background: linear-gradient(180deg, rgba(196, 154, 108, 0.06), rgba(196, 154, 108, 0.02));
    border: 1px solid rgba(196, 154, 108, 0.25);
    border-left: 4px solid var(--color-gold);
    padding: var(--space-32);
}

@media (max-width: 380px) {
    .rechner-shell {
        width: 100%;
        max-width: 100%;
        padding: 1rem;
    }
    .rechner-grid,
    .rechner-inputs,
    .rechner-output,
    .rechner-field,
    .rechner-input-group {
        min-width: 0;
        max-width: 100%;
    }
    .rechner-slider-row { gap: 0.75rem; }
    .rechner-slider-value {
        min-width: 5.25rem;
        padding-inline: 0.5rem;
    }
}
.rechner-output-label {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin: 0 0 0.5rem;
}
.rechner-output-headline {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
    color: #FFFFFF;
    margin: 0 0 0.5rem;
    letter-spacing: -0.02em;
}
.rechner-output-headline .currency {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 400;
    color: var(--color-gold);
    margin-left: 0.25rem;
    vertical-align: 0.4em;
}
.rechner-output-sub {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.75) !important;
    margin: var(--space-24) 0;
}
.rechner-output-divider {
    height: 1px;
    background: linear-gradient(90deg, rgba(196, 154, 108, 0.3), transparent);
    margin: var(--space-24) 0;
}

/* Detail-Tabelle innerhalb Output */
.rechner-output-breakdown {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    line-height: 1.8;
}
.rechner-output-breakdown dl {
    margin: 0;
    display: grid;
    grid-template-columns: 1fr auto;
    column-gap: var(--space-24);
}
.rechner-output-breakdown dt {
    color: rgba(255, 255, 255, 0.75) !important;
    font-weight: 400;
}
.rechner-output-breakdown dd {
    margin: 0;
    color: #FFFFFF;
    font-weight: 500;
    text-align: right;
    font-variant-numeric: tabular-nums;
}
.rechner-output-breakdown dt.is-total,
.rechner-output-breakdown dd.is-total {
    color: var(--color-gold) !important;
    font-weight: 700;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(196, 154, 108, 0.2);
    margin-top: 0.5rem;
}

/* Vergleichsblock */
.rechner-compare {
    margin-top: var(--space-24);
    padding: var(--space-24);
    background: rgba(10, 10, 15, 0.4);
    border: 1px solid rgba(196, 154, 108, 0.15);
}
.rechner-compare-title {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin: 0 0 0.75rem;
}
.rechner-compare-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding: 0.4rem 0;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: #FFFFFF;
}
.rechner-compare-row + .rechner-compare-row {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}
.rechner-compare-row strong { color: var(--color-gold); font-variant-numeric: tabular-nums; }

/* --- Warn-Box (Sondertatbestand) --- */
.rechner-warn {
    margin-top: var(--space-24);
    padding: var(--space-24);
    background: rgba(218, 165, 32, 0.06);
    border: 1px solid rgba(218, 165, 32, 0.25);
    border-left: 4px solid #DAA520;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    line-height: 1.65;
    color: #FFFFFF;
    display: none;
}
.rechner-warn.is-visible {
    display: block;
    animation: fadeInUp 0.3s ease-out;
}
.rechner-warn strong { color: #DAA520; }
.rechner-warn-title {
    display: block;
    font-weight: 700;
    color: #DAA520;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    font-size: 0.8125rem;
    letter-spacing: 0.08em;
}

/* --- Disclaimer --- */
.rechner-disclaimer {
    margin-block: var(--space-40);
    padding: var(--space-32);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(196, 154, 108, 0.12);
    font-family: var(--font-body);
    font-size: 0.875rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.75) !important;
}
.rechner-disclaimer .disclaimer-headline {
    font-weight: 700;
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.75rem;
    margin: 0 0 0.5rem;
}
.rechner-disclaimer p { margin: 0; }
.rechner-disclaimer p + p { margin-top: 0.75rem; }
.rechner-disclaimer strong { color: #FFFFFF; }
.rechner-disclaimer a { color: var(--color-gold) !important; text-decoration: underline; text-underline-offset: 3px; }
.rechner-disclaimer .disclaimer-meta {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.6) !important;
}
.rechner-disclaimer--strict {
    border-color: rgba(196, 154, 108, 0.25);
    background: rgba(196, 154, 108, 0.04);
}

/* --- CTA-Block nach Rechner --- */
.rechner-cta {
    margin-block: var(--space-fluid-xl);
    padding-block: var(--space-fluid-lg);
    padding-inline: var(--space-40);
    background: linear-gradient(135deg, rgba(196, 154, 108, 0.08), rgba(196, 154, 108, 0.02));
    border: 1px solid rgba(196, 154, 108, 0.2);
    text-align: center;
}
.rechner-cta h3 {
    font-family: var(--font-heading);
    font-size: 1.875rem;
    font-weight: 700;
    color: #FFFFFF;
    margin: 0 0 1rem;
    line-height: 1.2;
}
.rechner-cta > p {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85) !important;
    max-width: 38rem;
    margin: 0 auto 1.75rem;
    font-weight: 300;
}
.rechner-cta .btn-gold { margin: 0 auto; }
.rechner-cta .cta-secondary {
    margin-top: 1.25rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7) !important;
}
.rechner-cta .cta-secondary a { color: var(--color-gold) !important; font-weight: 600; }

/* --- Quellen-Block --- */
.rechner-sources {
    margin-block: var(--space-40);
    padding: var(--space-32);
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid rgba(196, 154, 108, 0.08);
}
.rechner-sources h3 {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin: 0 0 1rem;
}
.rechner-sources ul {
    list-style: none;
    padding: 0;
    margin: 0;
    font-family: var(--font-body);
    font-size: 0.875rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7) !important;
}
.rechner-sources li {
    padding: 0.25rem 0;
    color: rgba(255, 255, 255, 0.7) !important;
}
.rechner-sources li::before {
    content: '§';
    color: var(--color-gold);
    margin-right: 0.5rem;
    font-weight: 600;
}

/* --- Hebesatz-Tabelle (T7 spezifisch, kann später ausgelagert) --- */
.hebesatz-table-wrap {
    margin-block: var(--space-40) var(--space-32);
    padding-top: var(--space-12);
    overflow: visible;
}
.hebesatz-filter {
    display: flex;
    gap: var(--space-16);
    margin-bottom: var(--space-24);
    flex-wrap: wrap;
    align-items: center;
}
.hebesatz-filter-btn {
    min-height: 2.5rem;
    padding-block: var(--space-8);
    padding-inline: var(--space-24);
    background: transparent;
    border: 1px solid rgba(196, 154, 108, 0.3);
    color: rgba(255, 255, 255, 0.8);
    font-family: var(--font-body);
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: all 0.3s;
}
.hebesatz-filter-btn:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
}
.hebesatz-filter-btn.is-active {
    background: rgba(196, 154, 108, 0.12);
    border-color: var(--color-gold);
    color: var(--color-gold);
}
.hebesatz-row.is-hidden { display: none; }
.hebesatz-row.is-current {
    background: rgba(196, 154, 108, 0.08) !important;
    border-left: 3px solid var(--color-gold);
}
.hebesatz-row.is-current td {
    color: #FFFFFF !important;
    font-weight: 600;
}

@media (max-width: 768px) {
    .hebesatz-table-wrap {
        overflow-x: auto;
        overflow-y: hidden;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    .hebesatz-table-wrap::-webkit-scrollbar {
        display: none;
    }
}

/* --- White Text Pass: no muted grey copy on calculator pages --- */
.rechner-field-hint,
.rechner-output-sub,
.rechner-output-breakdown dt,
.rechner-disclaimer,
.rechner-disclaimer .disclaimer-meta,
.rechner-cta > p,
.rechner-cta .cta-secondary,
.rechner-sources ul,
.rechner-sources li,
.hebesatz-filter-btn {
    color: #FFFFFF !important;
}
.hebesatz-filter-btn:hover,
.hebesatz-filter-btn.is-active,
.rechner-sources li::before {
    color: var(--color-gold) !important;
}

.rechner-shell-kicker,
.rechner-field label,
.rechner-field .rechner-label,
.rechner-field-hint,
.rechner-input-suffix,
.rechner-slider-value,
.rechner-radio-label,
.rechner-toggle-text,
.rechner-output-label,
.rechner-output-breakdown,
.rechner-compare-title,
.rechner-compare-row,
.rechner-warn,
.rechner-warn-title,
.rechner-disclaimer,
.rechner-disclaimer .disclaimer-headline,
.rechner-disclaimer .disclaimer-meta,
.rechner-cta .cta-secondary,
.rechner-sources h3,
.rechner-sources ul,
.rechner-sources li,
.hebesatz-filter-btn {
    font-size: var(--font-size-body) !important;
    line-height: 1.45 !important;
}