/* =========================================================
   BLACK TRAP – FREE MIX
   Clean dark interface inspired by modern Apple UI
   ========================================================= */

.bts-free-mix {
    --bt-bg: #050706;
    --bt-surface: rgba(18, 22, 19, 0.88);
    --bt-surface-solid: #111512;
    --bt-surface-soft: rgba(255, 255, 255, 0.04);
    --bt-surface-hover: rgba(255, 255, 255, 0.065);

    --bt-border: rgba(255, 255, 255, 0.10);
    --bt-border-strong: rgba(255, 255, 255, 0.16);

    --bt-text: #f5f5f7;
    --bt-muted: #a1a1a6;
    --bt-subtle: #727277;

    --bt-accent: #94e6b2;
    --bt-accent-soft: rgba(148, 230, 178, 0.12);
    --bt-accent-border: rgba(148, 230, 178, 0.30);

    --bt-warning: #f6c96b;
    --bt-danger: #ff7878;
    --bt-success: #94e6b2;

    --bt-radius-xl: 30px;
    --bt-radius-lg: 22px;
    --bt-radius-md: 16px;
    --bt-radius-sm: 12px;

    --bt-shadow:
        0 24px 70px rgba(0, 0, 0, 0.30),
        0 2px 8px rgba(0, 0, 0, 0.20);

    width: min(100%, 1280px);
    margin: 0 auto;
    padding: clamp(18px, 3vw, 42px);
    box-sizing: border-box;

    color: var(--bt-text);
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "SF Pro Display",
        "SF Pro Text",
        "Segoe UI",
        sans-serif;
    font-size: 15px;
    line-height: 1.5;
    color-scheme: dark;
}

.bts-free-mix *,
.bts-free-mix *::before,
.bts-free-mix *::after {
    box-sizing: border-box;
}

.bts-free-mix h2,
.bts-free-mix h3,
.bts-free-mix h4,
.bts-free-mix p,
.bts-free-mix dl,
.bts-free-mix dd {
    margin-top: 0;
}

.bts-free-mix button,
.bts-free-mix input,
.bts-free-mix select {
    font: inherit;
}

/* =========================================================
   HEADER
   ========================================================= */

.bts-free-mix__head {
    max-width: 900px;
    margin: 0 auto clamp(28px, 5vw, 56px);
    text-align: center;
}

.bts-free-mix__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;

    margin-bottom: 14px;
    color: var(--bt-accent);

    font-size: 12px;
    font-weight: 700;
    line-height: 1;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.bts-free-mix__eyebrow::before {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--bt-accent);
    box-shadow: 0 0 18px rgba(148, 230, 178, 0.65);
    content: "";
}

.bts-free-mix__head h2 {
    margin-bottom: 18px;
    color: var(--bt-text);

    font-size: clamp(36px, 5vw, 64px);
    font-weight: 650;
    line-height: 0.98;
    letter-spacing: -0.045em;
}

.bts-free-mix__head p {
    max-width: 720px;
    margin: 0 auto;
    color: var(--bt-muted);

    font-size: clamp(16px, 2vw, 19px);
    line-height: 1.55;
    letter-spacing: -0.01em;
}

/* =========================================================
   GUIDE
   ========================================================= */

.bts-free-mix__guide {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;

    margin-bottom: 16px;
}

.bts-free-mix__guide > div {
    position: relative;
    min-width: 0;
    padding: 22px;

    border: 1px solid var(--bt-border);
    border-radius: var(--bt-radius-lg);
    background:
        linear-gradient(
            145deg,
            rgba(255, 255, 255, 0.055),
            rgba(255, 255, 255, 0.018)
        ),
        var(--bt-surface);

    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.14);
    backdrop-filter: blur(22px);
    -webkit-backdrop-filter: blur(22px);
}

.bts-free-mix__guide span {
    display: grid;
    place-items: center;

    width: 30px;
    height: 30px;
    margin-bottom: 24px;

    border: 1px solid var(--bt-accent-border);
    border-radius: 50%;
    background: var(--bt-accent-soft);
    color: var(--bt-accent);

    font-size: 12px;
    font-weight: 750;
}

.bts-free-mix__guide strong {
    display: block;
    margin-bottom: 7px;

    color: var(--bt-text);
    font-size: 16px;
    font-weight: 650;
    letter-spacing: -0.015em;
}

.bts-free-mix__guide p {
    margin: 0;
    color: var(--bt-muted);
    font-size: 13px;
    line-height: 1.5;
}

/* =========================================================
   EXPLANATION
   ========================================================= */

.bts-free-mix__explain {
    margin-bottom: 24px;
    padding: 16px 18px;

    border: 1px solid var(--bt-accent-border);
    border-radius: var(--bt-radius-md);
    background: var(--bt-accent-soft);
    color: #c8ecd5;

    font-size: 13px;
    line-height: 1.55;
}

.bts-free-mix__explain strong {
    color: var(--bt-text);
}

/* =========================================================
   MAIN LAYOUT
   ========================================================= */

.bts-free-mix__layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
}

/* =========================================================
   BUILDER
   ========================================================= */

.bts-free-mix__builder {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));

    overflow: hidden;
    border: 1px solid var(--bt-border);
    border-radius: var(--bt-radius-xl);
    background:
        linear-gradient(
            160deg,
            rgba(255, 255, 255, 0.045),
            transparent 40%
        ),
        var(--bt-surface);
    box-shadow: var(--bt-shadow);

    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
}

.bts-free-mix__field {
    min-width: 0;
    padding: 24px;
    border-bottom: 1px solid var(--bt-border);
}

.bts-free-mix__field:first-child {
    border-right: 1px solid var(--bt-border);
}

.bts-free-mix__field label {
    display: block;
    margin-bottom: 9px;

    color: var(--bt-muted);
    font-size: 11px;
    font-weight: 750;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.bts-free-mix__field select {
    width: 100%;
    min-height: 48px;
    padding: 0 42px 0 15px;

    border: 1px solid var(--bt-border-strong);
    border-radius: var(--bt-radius-sm);
    outline: none;

    background-color: rgba(0, 0, 0, 0.24);
    color: var(--bt-text);

    font-size: 14px;
    transition:
        border-color 160ms ease,
        background-color 160ms ease,
        box-shadow 160ms ease;
}

.bts-free-mix__field select:hover {
    border-color: rgba(255, 255, 255, 0.24);
    background-color: rgba(255, 255, 255, 0.045);
}

.bts-free-mix__field select:focus {
    border-color: var(--bt-accent);
    box-shadow: 0 0 0 4px rgba(148, 230, 178, 0.12);
}

.bts-free-mix__field small,
.bts-free-mix__small {
    display: block;
    margin-top: 8px;
    color: var(--bt-subtle);
    font-size: 12px;
    line-height: 1.45;
}

/* =========================================================
   MATERIALS
   ========================================================= */

.bts-free-mix__materials {
    grid-column: 1 / -1;
    padding: 6px 24px 14px;
}

.bts-free-mix__material {
    display: grid;
    grid-template-columns: minmax(190px, 0.8fr) minmax(220px, 1.5fr) 66px;
    align-items: center;
    gap: 24px;

    min-height: 76px;
    padding: 14px 0;
    border-bottom: 1px solid var(--bt-border);

    transition:
        background-color 160ms ease,
        opacity 160ms ease;
}

.bts-free-mix__material:last-child {
    border-bottom: 0;
}

.bts-free-mix__material:hover {
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.025),
        transparent
    );
}

.bts-free-mix__material-title {
    color: var(--bt-text);
    font-size: 15px;
    font-weight: 650;
    letter-spacing: -0.01em;
}

.bts-free-mix__material-meta {
    margin-top: 3px;
    color: var(--bt-subtle);
    font-size: 12px;
}

/* Range */

.bts-free-mix input[type="range"] {
    width: 100%;
    height: 28px;
    margin: 0;

    appearance: none;
    -webkit-appearance: none;
    background: transparent;
    cursor: pointer;
}

.bts-free-mix input[type="range"]::-webkit-slider-runnable-track {
    height: 5px;
    border-radius: 999px;
    background: linear-gradient(
        90deg,
        var(--bt-accent),
        rgba(255, 255, 255, 0.18)
    );
}

.bts-free-mix input[type="range"]::-webkit-slider-thumb {
    width: 22px;
    height: 22px;
    margin-top: -8.5px;

    appearance: none;
    -webkit-appearance: none;

    border: 2px solid #ffffff;
    border-radius: 50%;
    background: #202521;
    box-shadow:
        0 4px 14px rgba(0, 0, 0, 0.45),
        0 0 0 4px rgba(148, 230, 178, 0.08);

    transition:
        transform 140ms ease,
        box-shadow 140ms ease;
}

.bts-free-mix input[type="range"]:hover::-webkit-slider-thumb {
    transform: scale(1.08);
    box-shadow:
        0 5px 16px rgba(0, 0, 0, 0.5),
        0 0 0 6px rgba(148, 230, 178, 0.12);
}

.bts-free-mix input[type="range"]::-moz-range-track {
    height: 5px;
    border: 0;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.18);
}

.bts-free-mix input[type="range"]::-moz-range-progress {
    height: 5px;
    border-radius: 999px;
    background: var(--bt-accent);
}

.bts-free-mix input[type="range"]::-moz-range-thumb {
    width: 19px;
    height: 19px;

    border: 2px solid #ffffff;
    border-radius: 50%;
    background: #202521;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.45);
}

.bts-free-mix input[type="range"]:focus-visible {
    outline: none;
}

.bts-free-mix input[type="range"]:focus-visible::-webkit-slider-thumb {
    box-shadow:
        0 0 0 4px var(--bt-bg),
        0 0 0 7px var(--bt-accent);
}

.bts-free-mix__material-percent {
    display: flex;
    align-items: center;
    justify-content: flex-end;

    min-width: 66px;
    color: var(--bt-text);

    font-size: 18px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.025em;
}

/* =========================================================
   RESULT AREA
   ========================================================= */

.bts-free-mix__result {
    position: static;

    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;

    padding: 24px;
    overflow: hidden;

    border: 1px solid var(--bt-border);
    border-radius: var(--bt-radius-xl);
    background:
        radial-gradient(
            circle at 100% 0,
            rgba(148, 230, 178, 0.08),
            transparent 32%
        ),
        var(--bt-surface);
    box-shadow: var(--bt-shadow);

    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
}

.bts-free-mix__sum,
.bts-free-mix__notice,
.bts-free-mix__cards,
.bts-free-mix__model,
.bts-free-mix__match {
    grid-column: 1 / -1;
}

/* Sum */

.bts-free-mix__sum {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 20px;

    padding: 4px 2px 20px;
    border-bottom: 1px solid var(--bt-border);
}

.bts-free-mix__sum > span:first-child {
    color: var(--bt-muted);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.bts-free-mix__sum strong {
    color: var(--bt-text);
    font-size: clamp(34px, 5vw, 54px);
    font-weight: 650;
    line-height: 0.9;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.055em;
}

/* Notice */

.bts-free-mix__notice {
    padding: 14px 16px;

    border: 1px solid var(--bt-border);
    border-radius: var(--bt-radius-md);
    background: var(--bt-surface-soft);
    color: var(--bt-muted);

    font-size: 13px;
    line-height: 1.5;
}

.bts-free-mix__notice.is-error {
    border-color: rgba(255, 120, 120, 0.34);
    background: rgba(255, 120, 120, 0.08);
    color: #ffc0c0;
}

/* Summary cards */

.bts-free-mix__cards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.bts-free-mix__card {
    min-width: 0;
    padding: 18px;

    border: 1px solid var(--bt-border);
    border-radius: var(--bt-radius-md);
    background: var(--bt-surface-soft);
}

.bts-free-mix__card span {
    display: block;
    margin-bottom: 8px;

    color: var(--bt-subtle);
    font-size: 10px;
    font-weight: 750;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.bts-free-mix__card strong {
    display: block;
    overflow-wrap: anywhere;

    color: var(--bt-text);
    font-size: clamp(18px, 2vw, 24px);
    font-weight: 650;
    font-variant-numeric: tabular-nums;
    letter-spacing: -0.025em;
}

/* =========================================================
   MODEL + RADAR
   ========================================================= */

.bts-free-mix__model {
    display: grid;
    grid-template-columns: minmax(300px, 0.85fr) minmax(0, 1.15fr);
    align-items: center;
    gap: 20px 42px;

    margin-top: 8px;
    padding: clamp(22px, 4vw, 36px);

    border: 1px solid var(--bt-border);
    border-radius: var(--bt-radius-lg);
    background:
        linear-gradient(
            145deg,
            rgba(255, 255, 255, 0.035),
            transparent 45%
        ),
        rgba(0, 0, 0, 0.16);
}

.bts-free-mix__model > h3,
.bts-free-mix__model > p,
.bts-free-mix__model > .bts-free-mix__small {
    grid-column: 1 / -1;
}

.bts-free-mix__model h3 {
    margin-bottom: 0;
    color: var(--bt-text);

    font-size: clamp(22px, 3vw, 30px);
    font-weight: 650;
    letter-spacing: -0.03em;
}

.bts-free-mix__model > p,
.bts-free-mix__model > .bts-free-mix__small {
    max-width: 760px;
    margin-bottom: 0;
    color: var(--bt-muted);
}

.bts-free-mix__radar {
    display: flex;
    align-items: center;
    justify-content: center;

    width: 100%;
    min-height: 340px;
    padding: 8px;
}

.bts-free-mix__radar svg {
    display: block;
    width: min(100%, 430px);
    height: auto;
    overflow: visible;
}

.bts-radar__ring {
    fill: none;
    stroke: rgba(255, 255, 255, 0.11);
    stroke-width: 1;
}

.bts-radar__axis {
    stroke: rgba(255, 255, 255, 0.10);
    stroke-width: 1;
}

.bts-radar__area {
    fill: rgba(148, 230, 178, 0.18);
    stroke: var(--bt-accent);
    stroke-width: 2;
    filter: drop-shadow(0 4px 16px rgba(148, 230, 178, 0.12));
}

.bts-radar__point {
    fill: var(--bt-accent);
    stroke: #07100a;
    stroke-width: 2;
}

.bts-radar__label {
    fill: var(--bt-muted);
    font-family:
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;
    font-size: 11px;
    font-weight: 650;
}

.bts-radar__scale {
    fill: var(--bt-subtle);
    font-size: 9px;
}

.bts-free-mix__radar-note {
    margin: -2px 0 0;
    color: var(--bt-subtle);
    font-size: 11px;
    text-align: center;
}

/* Values beside radar */

.bts-free-mix__model dl {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-self: stretch;
    gap: 10px;

    margin: 0;
}

.bts-free-mix__model dl > div {
    min-width: 0;
    padding: 15px 16px;

    border: 1px solid var(--bt-border);
    border-radius: var(--bt-radius-sm);
    background: var(--bt-surface-soft);
}

.bts-free-mix__model dt {
    margin-bottom: 5px;
    color: var(--bt-subtle);

    font-size: 10px;
    font-weight: 750;
    line-height: 1.3;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.bts-free-mix__model dd {
    margin: 0;
    color: var(--bt-text);

    font-size: 17px;
    font-weight: 650;
    font-variant-numeric: tabular-nums;
    line-height: 1.25;
    overflow-wrap: anywhere;
}

/* =========================================================
   CULTURE PROFILE MATCH
   ========================================================= */

.bts-free-mix__match {
    padding: clamp(22px, 4vw, 34px);

    border: 1px solid var(--bt-accent-border);
    border-radius: var(--bt-radius-lg);
    background:
        linear-gradient(
            135deg,
            rgba(148, 230, 178, 0.10),
            rgba(148, 230, 178, 0.025)
        );
}

.bts-free-mix__match h3 {
    margin-bottom: 12px;
    color: var(--bt-muted);

    font-size: 11px;
    font-weight: 750;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.bts-free-mix__match > strong {
    display: block;
    margin-bottom: 10px;

    color: var(--bt-text);
    font-size: clamp(24px, 3vw, 36px);
    font-weight: 650;
    line-height: 1.1;
    letter-spacing: -0.035em;
}

.bts-free-mix__match p {
    max-width: 850px;
    margin-bottom: 14px;
    color: #c3cdc6;
}

.bts-free-mix__match ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 24px;

    margin: 18px 0 0;
    padding: 0;
    list-style: none;
}

.bts-free-mix__match li {
    position: relative;
    padding: 11px 12px 11px 29px;

    border-radius: 10px;
    background: rgba(0, 0, 0, 0.14);
    color: var(--bt-muted);

    font-size: 13px;
    line-height: 1.45;
}

.bts-free-mix__match li::before {
    position: absolute;
    top: 17px;
    left: 13px;

    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--bt-accent);
    content: "";
}

.bts-free-mix__match li.is-warning::before {
    background: var(--bt-warning);
}

.bts-free-mix__match li.is-bad::before {
    background: var(--bt-danger);
}

/* =========================================================
   KNOWLEDGE / EXPLANATION CARDS
   ========================================================= */

.bts-free-mix__knowledge {
    margin-top: 28px;
    padding: clamp(24px, 4vw, 38px);

    border: 1px solid var(--bt-border);
    border-radius: var(--bt-radius-xl);
    background: var(--bt-surface);
    box-shadow: var(--bt-shadow);
}

.bts-free-mix__knowledge-head {
    max-width: 820px;
    margin-bottom: 26px;
}

.bts-free-mix__knowledge-head h3 {
    margin-bottom: 10px;
    color: var(--bt-text);

    font-size: clamp(26px, 4vw, 38px);
    font-weight: 650;
    letter-spacing: -0.035em;
}

.bts-free-mix__knowledge-head p {
    color: var(--bt-muted);
    font-size: 15px;
    line-height: 1.6;
}

.bts-free-mix__knowledge-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.bts-free-mix__knowledge-card {
    min-width: 0;
    padding: 22px;

    border: 1px solid var(--bt-border);
    border-radius: var(--bt-radius-lg);
    background: var(--bt-surface-soft);
}

.bts-free-mix__knowledge-card h4 {
    margin-bottom: 10px;
    color: var(--bt-text);

    font-size: 17px;
    font-weight: 650;
    letter-spacing: -0.015em;
}

.bts-free-mix__knowledge-card p {
    margin-bottom: 10px;
    color: var(--bt-muted);
    font-size: 13px;
    line-height: 1.6;
}

.bts-free-mix__knowledge-card p:last-child {
    margin-bottom: 0;
}

.bts-free-mix__knowledge-card strong {
    color: var(--bt-text);
}

.bts-free-mix__knowledge-card--ec {
    grid-column: 1 / -1;
}

.bts-free-mix__knowledge-ec-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
    gap: 24px;
    align-items: start;
}

.bts-free-mix__knowledge-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.bts-free-mix__knowledge-tag {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 5px 11px;

    border: 1px solid var(--bt-border);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.035);
    color: var(--bt-muted);

    font-size: 11px;
    font-weight: 650;
}

.bts-free-mix__ec-result {
    padding: 20px;

    border: 1px solid var(--bt-accent-border);
    border-radius: var(--bt-radius-md);
    background: var(--bt-accent-soft);
}

.bts-free-mix__ec-result > span {
    display: block;
    margin-bottom: 8px;

    color: var(--bt-accent);
    font-size: 10px;
    font-weight: 750;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.bts-free-mix__ec-result strong {
    display: block;
    margin-bottom: 7px;

    color: var(--bt-text);
    font-size: 20px;
    font-weight: 650;
    letter-spacing: -0.02em;
}

.bts-free-mix__model-notice {
    margin-top: 14px;
    padding: 15px 17px;

    border-left: 3px solid var(--bt-accent);
    border-radius: 0 var(--bt-radius-sm) var(--bt-radius-sm) 0;
    background: rgba(148, 230, 178, 0.07);
    color: var(--bt-muted);

    font-size: 12px;
    line-height: 1.55;
}

/* =========================================================
   DESKTOP WORKSPACE
   Mixer links – Live-Vorschau rechts
   ========================================================= */

@media (min-width: 1181px) {
    .bts-free-mix {
        position: relative;
        left: 50%;
        transform: translateX(-50%);

        width: calc(100vw - 32px);
        max-width: 1800px;
        margin: 0;
        padding: 30px clamp(22px, 2.2vw, 42px) 60px;
    }

    /* Kopfbereich kompakter */

    .bts-free-mix__head {
        max-width: 1000px;
        margin-bottom: 28px;
    }

    .bts-free-mix__head h2 {
        font-size: clamp(42px, 4vw, 64px);
    }

    .bts-free-mix__guide {
        margin-bottom: 14px;
    }

    .bts-free-mix__guide > div {
        display: grid;
        grid-template-columns: 34px minmax(0, 1fr);
        column-gap: 14px;
        align-items: start;
        padding: 17px 19px;
    }

    .bts-free-mix__guide span {
        grid-row: 1 / 3;
        margin: 0;
    }

    .bts-free-mix__guide strong {
        margin: 1px 0 3px;
    }

    .bts-free-mix__guide p {
        grid-column: 2;
    }

    /* Hauptarbeitsfläche */

    .bts-free-mix__layout {
        display: grid;
        grid-template-columns:
            minmax(560px, 1fr)
            minmax(590px, 1fr);
        align-items: start;
        gap: clamp(18px, 1.6vw, 28px);
    }

    /* Mixer links */

    .bts-free-mix__builder {
        min-width: 0;
    }

    .bts-free-mix__field {
        padding: 19px 22px;
    }

    .bts-free-mix__materials {
        padding: 4px 22px 12px;
    }

    .bts-free-mix__material {
        grid-template-columns:
            minmax(180px, 0.75fr)
            minmax(220px, 1.35fr)
            62px;

        min-height: 66px;
        gap: 18px;
        padding: 10px 0;
    }

    /* Live-Vorschau rechts bleibt sichtbar */

    .bts-free-mix__result {
        position: sticky;
        top: 118px;

        display: grid;
        grid-template-columns: minmax(150px, 0.55fr) minmax(0, 1.45fr);
        align-items: stretch;
        gap: 12px;

        max-height: calc(100vh - 138px);
        padding: 18px;
        overflow-x: hidden;
        overflow-y: auto;

        scrollbar-width: thin;
        scrollbar-color:
            rgba(148, 230, 178, 0.35)
            transparent;
    }

    .bts-free-mix__result::-webkit-scrollbar {
        width: 7px;
    }

    .bts-free-mix__result::-webkit-scrollbar-track {
        background: transparent;
    }

    .bts-free-mix__result::-webkit-scrollbar-thumb {
        border-radius: 999px;
        background: rgba(148, 230, 178, 0.30);
    }

    /* Neue Reihenfolge:
       1. Summe
       2. Preis und Gewicht
       3. Statusmeldung
       4. Eigenschaften
       5. Kulturprofil-Abgleich
    */

    .bts-free-mix__sum {
        grid-column: 1;
        grid-row: 1;
        order: 1;

        display: flex;
        flex-direction: column;
        align-items: flex-start;
        justify-content: center;
        gap: 8px;

        min-height: 94px;
        padding: 16px 18px;

        border: 1px solid var(--bt-accent-border);
        border-radius: var(--bt-radius-md);
        background: var(--bt-accent-soft);
    }

    .bts-free-mix__sum strong {
        font-size: clamp(34px, 3vw, 48px);
    }

    .bts-free-mix__cards {
        grid-column: 2;
        grid-row: 1;
        order: 2;

        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    /*
     * Im PHP haben die Preiskarten keine eigene Klassenbezeichnung.
     * Deshalb werden hier deren direkte Kind-Elemente gestaltet.
     */

    .bts-free-mix__cards > div {
        display: flex;
        flex-direction: column;
        justify-content: center;

        min-width: 0;
        min-height: 94px;
        padding: 15px 17px;

        border: 1px solid var(--bt-border);
        border-radius: var(--bt-radius-md);
        background: var(--bt-surface-soft);
    }

    .bts-free-mix__cards > div > span {
        display: block;
        margin-bottom: 7px;

        color: var(--bt-subtle);
        font-size: 10px;
        font-weight: 750;
        line-height: 1.35;
        letter-spacing: 0.09em;
        text-transform: uppercase;
    }

    .bts-free-mix__cards > div > strong {
        display: block;

        color: var(--bt-text);
        font-size: clamp(17px, 1.5vw, 23px);
        font-weight: 650;
        line-height: 1.15;
        font-variant-numeric: tabular-nums;
        letter-spacing: -0.025em;
    }

    .bts-free-mix__notice {
        grid-column: 1 / -1;
        grid-row: 2;
        order: 3;

        padding: 11px 14px;
    }

    .bts-free-mix__model {
        grid-column: 1 / -1;
        grid-row: 3;
        order: 4;

        display: grid;
        grid-template-columns: minmax(230px, 0.75fr) minmax(300px, 1.25fr);
        gap: 14px 22px;

        margin: 0;
        padding: 20px;
    }

    .bts-free-mix__model h3 {
        font-size: clamp(21px, 2vw, 27px);
    }

    .bts-free-mix__model > h3,
    .bts-free-mix__model > p,
    .bts-free-mix__model > .bts-free-mix__small {
        grid-column: 1 / -1;
    }

    .bts-free-mix__radar {
        min-height: 260px;
        padding: 0;
    }

    .bts-free-mix__radar svg {
        width: min(100%, 310px);
    }

    .bts-free-mix__model dl {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-content: center;
        gap: 8px;

        margin: 0;
    }

    .bts-free-mix__model dl > div {
        padding: 11px 12px;
    }

    .bts-free-mix__model dt {
        font-size: 9px;
    }

    .bts-free-mix__model dd {
        font-size: 15px;
    }

    .bts-free-mix__match {
        grid-column: 1 / -1;
        grid-row: 4;
        order: 5;

        padding: 20px;
    }

    .bts-free-mix__match > strong {
        font-size: clamp(22px, 2vw, 30px);
    }

    .bts-free-mix__match ul {
        gap: 7px 12px;
        margin-top: 14px;
    }

    .bts-free-mix__match li {
        padding-top: 9px;
        padding-bottom: 9px;
        font-size: 12px;
    }

    /* Erklärung bleibt darunter über die ganze Breite */

    .bts-free-mix__knowledge {
        width: 100%;
        margin-top: 28px;
    }

    .bts-free-mix__knowledge-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .bts-free-mix__knowledge-card--ec {
        grid-column: 1 / -1;
    }
}

/* Mittlere Bildschirmbreite */

@media (min-width: 1181px) and (max-width: 1380px) {
    .bts-free-mix__layout {
        grid-template-columns:
            minmax(500px, 0.95fr)
            minmax(540px, 1.05fr);
    }

    .bts-free-mix__model {
        grid-template-columns: 220px minmax(0, 1fr);
        gap: 14px;
    }

    .bts-free-mix__radar {
        min-height: 230px;
    }

    .bts-free-mix__radar svg {
        width: 250px;
    }
}

/* Unter 1180 px wieder untereinander */

@media (max-width: 1180px) {
    .bts-free-mix {
        left: auto;
        width: min(100%, 1280px);
        transform: none;
    }

    .bts-free-mix__layout {
        grid-template-columns: minmax(0, 1fr);
    }

    .bts-free-mix__result {
        position: static;
        max-height: none;
        overflow: visible;
    }

    .bts-free-mix__cards > div {
        padding: 18px;

        border: 1px solid var(--bt-border);
        border-radius: var(--bt-radius-md);
        background: var(--bt-surface-soft);
    }

    .bts-free-mix__cards > div > span {
        display: block;
        margin-bottom: 8px;

        color: var(--bt-subtle);
        font-size: 10px;
        font-weight: 750;
        letter-spacing: 0.1em;
        text-transform: uppercase;
    }

    .bts-free-mix__cards > div > strong {
        color: var(--bt-text);
        font-size: 22px;
        font-weight: 650;
    }
}

/* =========================================================
   ABGLEICH ÜBER DEM GESAMTEN WORKSPACE
   ========================================================= */

.bts-free-mix > .bts-free-mix__match {
    display: grid;
    grid-template-columns: minmax(230px, 0.55fr) minmax(0, 1.45fr);
    align-items: center;
    gap: 10px 26px;

    width: 100%;
    margin: 0 0 18px;
    padding: 22px 24px;

    border: 1px solid var(--bt-accent-border);
    border-radius: var(--bt-radius-lg);
    background:
        radial-gradient(
            circle at 0 0,
            rgba(148, 230, 178, 0.13),
            transparent 38%
        ),
        var(--bt-surface);

    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.18);
}

.bts-free-mix > .bts-free-mix__match h3 {
    grid-column: 1;
    grid-row: 1;

    margin: 0;
    color: var(--bt-accent);

    font-size: 10px;
    font-weight: 750;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.bts-free-mix > .bts-free-mix__match > strong {
    grid-column: 1;
    grid-row: 2;
    align-self: stretch;

    display: flex;
    align-items: center;

    min-height: 80px;
    margin: 0;
    padding: 16px 18px;

    border: 1px solid var(--bt-accent-border);
    border-radius: var(--bt-radius-md);
    background: var(--bt-accent-soft);
    color: var(--bt-text);

    font-size: clamp(20px, 2vw, 30px);
    font-weight: 650;
    line-height: 1.15;
    letter-spacing: -0.035em;
}

.bts-free-mix > .bts-free-mix__match-limit {
    grid-column: 1;
    grid-row: 3;

    padding: 11px 13px;

    border: 1px solid rgba(246, 201, 107, 0.35);
    border-radius: 11px;
    background: rgba(246, 201, 107, 0.08);
    color: var(--bt-warning);

    font-size: 12px;
    font-weight: 650;
    line-height: 1.4;
}

.bts-free-mix > .bts-free-mix__match-limit[hidden] {
    display: none;
}

.bts-free-mix > .bts-free-mix__match > p {
    grid-column: 2;
    grid-row: 1;

    margin: 0;
    color: var(--bt-muted);

    font-size: 13px;
    line-height: 1.5;
}

.bts-free-mix > .bts-free-mix__match ul {
    grid-column: 2;
    grid-row: 2 / 4;

    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-content: center;
    gap: 7px;

    margin: 0;
    padding: 0;
    list-style: none;
}

.bts-free-mix > .bts-free-mix__match ul:empty {
    display: none;
}

.bts-free-mix > .bts-free-mix__match li {
    position: relative;

    display: flex;
    align-items: center;

    min-height: 42px;
    padding: 9px 11px 9px 29px;

    border: 1px solid var(--bt-border);
    border-radius: 11px;
    background: var(--bt-surface-soft);
    color: var(--bt-muted);

    font-size: 12px;
    line-height: 1.4;
}

.bts-free-mix > .bts-free-mix__match li::before {
    position: absolute;
    top: 50%;
    left: 12px;

    width: 7px;
    height: 7px;
    border-radius: 50%;

    background: var(--bt-subtle);
    transform: translateY(-50%);
    content: "";
}

.bts-free-mix > .bts-free-mix__match li.is-ok::before {
    background: var(--bt-success);
}

.bts-free-mix > .bts-free-mix__match li.is-warning::before {
    background: var(--bt-warning);
}

.bts-free-mix > .bts-free-mix__match li.is-bad::before {
    background: var(--bt-danger);
}

/*
 * Im rechten Ergebnisbereich gibt es jetzt keinen Abgleich mehr.
 * Das Modell folgt deshalb direkt auf den Hinweis.
 */

@media (min-width: 1181px) {
    .bts-free-mix__result .bts-free-mix__model {
        grid-column: 1 / -1;
        grid-row: 3;
        order: 4;
    }
}

@media (max-width: 900px) {
    .bts-free-mix > .bts-free-mix__match {
        grid-template-columns: 1fr;
        padding: 19px;
    }

    .bts-free-mix > .bts-free-mix__match h3,
.bts-free-mix > .bts-free-mix__match > strong,
.bts-free-mix > .bts-free-mix__match-limit,
.bts-free-mix > .bts-free-mix__match > p,
.bts-free-mix > .bts-free-mix__match ul {
    grid-column: 1;
    grid-row: auto;
}

    .bts-free-mix > .bts-free-mix__match ul {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 580px) {
    .bts-free-mix > .bts-free-mix__match ul {
        grid-template-columns: 1fr;
    }
}

/* =========================================================
   GLEICHMÄSSIGE WORKSPACE-BOXEN
   ========================================================= */

@media (min-width: 1181px) {
    /*
     * Mixer und Ergebnis erhalten innerhalb der gemeinsamen
     * Grid-Zeile dieselbe Höhe.
     */

    .bts-free-mix__layout {
        align-items: stretch;
    }

    .bts-free-mix__builder {
        align-self: stretch;
        height: 100%;
    }

    .bts-free-mix__result {
        align-self: stretch;

        grid-template-columns: repeat(3, minmax(0, 1fr));

        height: 100%;
        min-height: 100%;
    }

    /*
     * Summe, Preis und Gewicht erhalten exakt gleich breite
     * Spalten und dieselbe Höhe.
     */

    .bts-free-mix__sum {
        grid-column: 1;
        grid-row: 1;

        width: 100%;
        min-width: 0;
        height: 94px;
        min-height: 94px;
    }

    .bts-free-mix__cards {
        grid-column: 2 / 4;
        grid-row: 1;

        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: stretch;
        gap: 12px;

        width: 100%;
        min-width: 0;
        height: 94px;
    }

    .bts-free-mix__cards > div {
        width: 100%;
        min-width: 0;
        height: 94px;
        min-height: 94px;
    }

    .bts-free-mix__notice {
        grid-column: 1 / -1;
        grid-row: 2;
    }

    .bts-free-mix__model {
        grid-column: 1 / -1;
        grid-row: 3;
    }

    /*
     * Sämtliche Eigenschaftenboxen rechts neben dem
     * Netzdiagramm bekommen dieselbe Mindesthöhe.
     */

    .bts-free-mix__model dl {
        grid-auto-rows: minmax(58px, auto);
        align-items: stretch;
    }

    .bts-free-mix__model dl > div {
        display: flex;
        flex-direction: column;
        justify-content: center;

        width: 100%;
        min-width: 0;
        min-height: 58px;
        height: 100%;
    }
}

	/* =========================================================
   FEHLENDE CORE-DATEN
   ========================================================= */

.bts-free-mix__model > .bts-free-mix__missing {
    grid-column: 1 / -1;
    padding: 16px 18px;

    border: 1px solid rgba(246, 201, 107, 0.28);
    border-radius: var(--bt-radius-md);
    background:
        linear-gradient(
            135deg,
            rgba(246, 201, 107, 0.09),
            rgba(246, 201, 107, 0.025)
        );
}

.bts-free-mix__missing-head {
    display: grid;
    grid-template-columns: minmax(190px, 0.4fr) minmax(0, 1.6fr);
    align-items: start;
    gap: 16px;
}

.bts-free-mix__missing-head strong {
    color: var(--bt-warning);
    font-size: 13px;
    font-weight: 700;
}

.bts-free-mix__missing-head p {
    margin: 0;
    color: var(--bt-muted);
    font-size: 12px;
    line-height: 1.5;
}

.bts-free-mix__missing-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;

    margin: 14px 0 0;
    padding: 0;
    list-style: none;
}

.bts-free-mix__missing-list li {
    display: grid;
    grid-template-columns: minmax(130px, 0.7fr) minmax(0, 1.3fr);
    gap: 10px;

    min-width: 0;
    padding: 10px 12px;

    border: 1px solid rgba(255, 255, 255, 0.075);
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.12);
}

.bts-free-mix__missing-list li > strong {
    color: var(--bt-text);
    font-size: 11px;
    font-weight: 650;
}

.bts-free-mix__missing-list li > span {
    color: var(--bt-muted);
    font-size: 11px;
    line-height: 1.45;
    overflow-wrap: anywhere;
}

@media (max-width: 760px) {
    .bts-free-mix__missing-head,
    .bts-free-mix__missing-list,
    .bts-free-mix__missing-list li {
        grid-template-columns: 1fr;
    }

    .bts-free-mix__missing-list li {
        gap: 3px;
    }
}

/* Netzdiagramm bleibt auch bei unvollständigen Daten sichtbar */

.bts-free-mix__radar {
    flex-direction: column;
    gap: 4px;
}

.bts-radar__area.is-incomplete {
    fill: rgba(246, 201, 107, 0.08);
    stroke: var(--bt-warning);
    stroke-dasharray: 6 5;
}

.bts-free-mix__radar-note {
    max-width: 340px;
    margin: 0 auto;
    color: var(--bt-subtle);

    font-size: 11px;
    line-height: 1.45;
    text-align: center;
}

.bts-free-mix__radar-note.is-warning {
    color: var(--bt-warning);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 980px) {
    .bts-free-mix__model {
        grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
        gap: 22px;
    }

    .bts-free-mix__model dl {
        grid-template-columns: 1fr;
    }

    .bts-free-mix__knowledge-ec-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .bts-free-mix {
        padding: 16px;
    }

    .bts-free-mix__guide {
        grid-template-columns: 1fr;
    }

    .bts-free-mix__guide > div {
        padding: 18px;
    }

    .bts-free-mix__guide span {
        margin-bottom: 14px;
    }

    .bts-free-mix__builder {
        grid-template-columns: 1fr;
        border-radius: 22px;
    }

    .bts-free-mix__field:first-child {
        border-right: 0;
    }

    .bts-free-mix__materials {
        padding-inline: 18px;
    }

    .bts-free-mix__material {
        grid-template-columns: minmax(0, 1fr) 62px;
        gap: 10px 16px;
        padding: 16px 0;
    }

    .bts-free-mix__material > div:first-child {
        grid-column: 1 / -1;
    }

    .bts-free-mix__material input[type="range"] {
        grid-column: 1;
    }

    .bts-free-mix__material-percent {
        grid-column: 2;
    }

    .bts-free-mix__result {
        grid-template-columns: 1fr;
        padding: 18px;
        border-radius: 22px;
    }

    .bts-free-mix__cards {
        grid-template-columns: 1fr;
    }

    .bts-free-mix__model {
        grid-template-columns: 1fr;
        padding: 20px;
    }

    .bts-free-mix__model > h3,
    .bts-free-mix__model > p,
    .bts-free-mix__model > .bts-free-mix__small {
        grid-column: 1;
    }

    .bts-free-mix__radar {
        min-height: 300px;
    }

    .bts-free-mix__model dl {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .bts-free-mix__match ul,
    .bts-free-mix__knowledge-grid {
        grid-template-columns: 1fr;
    }

    .bts-free-mix__knowledge-card--ec {
        grid-column: 1;
    }
}

@media (max-width: 520px) {
    .bts-free-mix__head {
        text-align: left;
    }

    .bts-free-mix__head p {
        margin-left: 0;
    }

    .bts-free-mix__sum {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
    }

    .bts-free-mix__model dl {
        grid-template-columns: 1fr;
    }

    .bts-free-mix__radar {
        min-height: 260px;
        padding-inline: 0;
    }

    .bts-free-mix__knowledge {
        padding: 20px;
        border-radius: 22px;
    }
}

/* =========================================================
   ACCESSIBILITY
   ========================================================= */

.bts-free-mix a:focus-visible,
.bts-free-mix button:focus-visible,
.bts-free-mix select:focus-visible {
    outline: 2px solid var(--bt-accent);
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
    .bts-free-mix *,
    .bts-free-mix *::before,
    .bts-free-mix *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}