/* =============================================================================
   Showcase / Produkt-Demo  -  eigenes, schlankes Overlay (kein Debug-GUI-Look).
   Tokens an die bestehende Konfigurator-Identitaet (Dark-Neon/Cyan) angelehnt.
   ========================================================================== */
:root {
    --bg: #11191f;
    --panel: rgba(13, 19, 23, 0.84);
    --panel-soft: rgba(22, 31, 36, 0.74);
    --line: rgba(145, 178, 188, 0.28);
    --cyan: #4fc7d8;
    --cyan-soft: #a9edf3;
    --amber: #d7b46a;
    --measure-basis: rgba(255, 95, 220, 0.9);
    --measure-basis-strong: #ff8fea;
    --measure-advanced: rgba(215, 180, 106, 0.74);
    --measure-advanced-strong: #ffd982;
    --text: #f2f7f8;
    --muted: #9fb0b6;
    --optimal: #35e86f;
    --warning: #ffc247;
    --danger: #ff5f7d;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    height: 100%;
    overflow: hidden;
    background: var(--bg);
    color: var(--text);
    font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

/* Buehne: vollflaechiger Canvas mit ruhigem Studio-Backdrop. */
.stage {
    position: fixed;
    inset: 0;
    background:
        radial-gradient(90% 64% at 50% 76%, rgba(215, 180, 106, 0.18), transparent 62%),
        radial-gradient(70% 56% at 50% 42%, rgba(169, 237, 243, 0.12), transparent 64%),
        linear-gradient(180deg, #26343d 0%, #18242b 56%, #11191f 100%);
}

.stage canvas {
    display: block;
    touch-action: none; /* Pan/Zoom an OrbitControls statt an den Browser */
}

.measure-overlay {
    position: absolute;
    inset: 0;
    z-index: 4;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.measure-line {
    cursor: pointer;
    outline: none;
    pointer-events: auto;
}

.measure-line__hit {
    stroke: transparent;
    stroke-width: 28;
}

.measure-line__stroke {
    stroke: var(--measure-advanced);
    stroke-width: 2.4;
    stroke-linecap: round;
    stroke-dasharray: 7 7;
    filter: drop-shadow(0 0 7px rgba(215, 180, 106, 0.22));
    transition: stroke 0.14s ease, stroke-width 0.14s ease;
}

.measure-line__dot {
    fill: var(--measure-advanced);
    stroke: rgba(7, 17, 21, 0.92);
    stroke-width: 2;
    transition: fill 0.14s ease, r 0.14s ease;
}

.measure-line--basis .measure-line__stroke {
    stroke: var(--measure-basis);
    filter: drop-shadow(0 0 8px rgba(255, 95, 220, 0.34));
}

.measure-line--basis .measure-line__dot {
    fill: var(--measure-basis);
}

.measure-line--advanced .measure-line__stroke {
    stroke: var(--measure-advanced);
    filter: drop-shadow(0 0 7px rgba(215, 180, 106, 0.22));
}

.measure-line--advanced .measure-line__dot {
    fill: var(--measure-advanced);
}

.measure-line--angle .measure-line__hit,
.measure-line--angle .measure-line__stroke,
.measure-line--angle .measure-line__dot {
    display: none;
}

.measure-angle__hit,
.measure-angle__arc,
.measure-angle__sector,
.measure-angle__reference {
    display: none;
}

.measure-line--angle .measure-angle__hit,
.measure-line--angle .measure-angle__arc,
.measure-line--angle .measure-angle__sector,
.measure-line--angle .measure-angle__reference {
    display: block;
}

.measure-angle__hit {
    fill: none;
    stroke: transparent;
    stroke-width: 34;
    pointer-events: stroke;
}

.measure-angle__sector {
    fill: rgba(255, 95, 220, 0.16);
    pointer-events: none;
}

.measure-angle__arc {
    fill: none;
    stroke: var(--measure-basis);
    stroke-width: 3.2;
    stroke-linecap: round;
    filter: drop-shadow(0 0 8px rgba(255, 95, 220, 0.36));
    pointer-events: none;
}

.measure-angle__reference {
    stroke: rgba(255, 95, 220, 0.5);
    stroke-width: 1.8;
    stroke-dasharray: 5 6;
    stroke-linecap: round;
    pointer-events: none;
}

.measure-angle__value {
    display: none;
    fill: var(--measure-basis-strong);
    font-size: 12px;
    font-weight: 700;
    paint-order: stroke;
    stroke: rgba(7, 17, 21, 0.94);
    stroke-width: 4px;
    stroke-linejoin: round;
    text-anchor: middle;
    dominant-baseline: central;
    user-select: none;
    pointer-events: none;
}

.measure-line--advanced.measure-line--angle .measure-angle__sector {
    fill: rgba(215, 180, 106, 0.13);
}

.measure-line--advanced.measure-line--angle .measure-angle__arc {
    stroke: var(--measure-advanced);
    filter: drop-shadow(0 0 8px rgba(215, 180, 106, 0.26));
}

.measure-line--advanced.measure-line--angle .measure-angle__reference {
    stroke: rgba(215, 180, 106, 0.46);
}

.measure-line--advanced.measure-line--angle .measure-angle__value {
    fill: var(--measure-advanced-strong);
}

.measure-line--angle:hover .measure-angle__arc,
.measure-line--angle:focus-visible .measure-angle__arc,
.measure-line--angle.is-active .measure-angle__arc {
    stroke: var(--measure-basis-strong);
    stroke-width: 4;
}

.measure-line--angle:hover .measure-angle__sector,
.measure-line--angle:focus-visible .measure-angle__sector,
.measure-line--angle.is-active .measure-angle__sector {
    fill: rgba(255, 95, 220, 0.24);
}

.measure-line--advanced.measure-line--angle:hover .measure-angle__arc,
.measure-line--advanced.measure-line--angle:focus-visible .measure-angle__arc,
.measure-line--advanced.measure-line--angle.is-active .measure-angle__arc {
    stroke: var(--measure-advanced-strong);
}

.measure-line--advanced.measure-line--angle:hover .measure-angle__sector,
.measure-line--advanced.measure-line--angle:focus-visible .measure-angle__sector,
.measure-line--advanced.measure-line--angle.is-active .measure-angle__sector {
    fill: rgba(215, 180, 106, 0.2);
}

.measure-line--angle:hover .measure-angle__value,
.measure-line--angle:focus-visible .measure-angle__value,
.measure-line--angle.is-active .measure-angle__value {
    display: block;
}

.measure-line__label {
    display: none;
    fill: rgba(242, 247, 248, 0.84);
    font-size: 13px;
    font-weight: 800;
    paint-order: stroke;
    stroke: rgba(7, 17, 21, 0.92);
    stroke-width: 4px;
    stroke-linejoin: round;
    user-select: none;
}

.measure-line:hover .measure-line__stroke,
.measure-line:focus-visible .measure-line__stroke,
.measure-line.is-active .measure-line__stroke {
    stroke-width: 4;
}

.measure-line--basis:hover .measure-line__stroke,
.measure-line--basis:focus-visible .measure-line__stroke,
.measure-line--basis.is-active .measure-line__stroke {
    stroke: var(--measure-basis-strong);
}

.measure-line--advanced:hover .measure-line__stroke,
.measure-line--advanced:focus-visible .measure-line__stroke,
.measure-line--advanced.is-active .measure-line__stroke {
    stroke: var(--measure-advanced-strong);
}

.measure-line:hover .measure-line__dot,
.measure-line:focus-visible .measure-line__dot,
.measure-line.is-active .measure-line__dot {
    r: 6;
}

.measure-line--basis:hover .measure-line__dot,
.measure-line--basis:focus-visible .measure-line__dot,
.measure-line--basis.is-active .measure-line__dot {
    fill: var(--measure-basis-strong);
}

.measure-line--advanced:hover .measure-line__dot,
.measure-line--advanced:focus-visible .measure-line__dot,
.measure-line--advanced.is-active .measure-line__dot {
    fill: var(--measure-advanced-strong);
}

.measure-line.is-hidden {
    display: none;
}

.measure-line.is-menu-highlight .measure-line__stroke {
    stroke-width: 3;
    filter: drop-shadow(0 0 6px currentColor);
}

.measure-line--basis.is-menu-highlight .measure-line__stroke {
    stroke: var(--measure-basis-strong);
}

.measure-line--advanced.is-menu-highlight .measure-line__stroke {
    stroke: var(--measure-advanced-strong);
}

.measure-line.is-menu-highlight .measure-line__dot {
    r: 5.5;
}

/* --- Kopfzeile ------------------------------------------------------------ */
.hud-top {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 22px;
    pointer-events: none;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
    letter-spacing: 0.02em;
    pointer-events: auto;
}

.brand-icon {
    display: block;
    width: 40px;
    height: 24px;
    object-fit: contain;
    flex-shrink: 0;
    filter: drop-shadow(0 0 5px rgba(79, 199, 216, 0.45));
}

.hud-title {
    text-align: right;
    line-height: 1.1;
}

.hud-title__eyebrow {
    display: block;
    font-size: 0.66rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--cyan-soft);
    opacity: 0.85;
}

.hud-title__name {
    display: block;
    font-size: 1.05rem;
    font-weight: 600;
}

/* --- Navigation (Pillen-Leiste) ------------------------------------------- */
/* Exakt in der Viewport-Mitte fixiert (nicht nur zwischen Brand und Titel),
   damit sie buendig ueber der ebenfalls zentrierten Namensleiste sitzt. */
.hud-nav {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 4px;
    padding: 5px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(12, 18, 22, 0.72);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    pointer-events: auto;
}

.hud-nav a {
    padding: 6px 14px;
    border-radius: 999px;
    color: var(--muted);
    text-decoration: none;
    font-size: 0.84rem;
    font-weight: 600;
    transition: color 0.12s ease, background 0.12s ease;
}

.hud-nav a:hover {
    color: var(--text);
    background: rgba(79, 199, 216, 0.12);
}

.hud-nav a[aria-current="page"] {
    color: #071115;
    background: rgba(169, 237, 243, 0.88);
}

/* --- Fahrradname + Speichern (mittig unter der Navigation) ----------------- */
.bike-name-bar {
    position: fixed;
    top: 74px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 8px;
    width: min(440px, calc(100vw - 44px));
    padding: 6px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(12, 18, 22, 0.72);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.bike-name-bar input {
    min-width: 0;
    min-height: 34px;
    border: 1px dashed rgba(145, 178, 188, 0.45);
    border-radius: 999px;
    padding: 0 14px 0 38px;
    color: var(--text);
    background-color: rgba(8, 14, 17, 0.72);
    /* Stift-Symbol signalisiert: hier laesst sich der Name bearbeiten. */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239fb0b6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M17 3a2.85 2.83 0 1 1 4 4L7.5 20.5 2 22l1.5-5.5Z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: 14px center;
    background-size: 14px;
    font: inherit;
    font-size: 0.88rem;
    font-weight: 700;
    cursor: text;
    outline: none;
    transition: border-color 0.14s ease, box-shadow 0.14s ease;
}

.bike-name-bar input:hover {
    border-color: var(--cyan-soft);
}

.bike-name-bar input:focus {
    border-style: solid;
    border-color: var(--cyan-soft);
    box-shadow: 0 0 0 3px rgba(79, 199, 216, 0.14);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23a9edf3' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M17 3a2.85 2.83 0 1 1 4 4L7.5 20.5 2 22l1.5-5.5Z'/%3E%3C/svg%3E");
}

.bike-name-bar .save-bike-button {
    min-height: 34px;
    padding: 0 16px;
    border-radius: 999px;
    white-space: nowrap;
}

/* Feedback (Gespeichert/Fehler/Sync-Hinweise) schwebt unter der Leiste. */
.bike-name-bar .bike-editor-message {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    width: max-content;
    max-width: min(560px, calc(100vw - 44px));
    min-height: 0;
    padding: 6px 12px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: rgba(9, 13, 16, 0.88);
    text-align: center;
}

.bike-name-bar .bike-editor-message:empty {
    display: none;
}

/* --- Tret-Button ---------------------------------------------------------- */
.ride-toggle {
    position: fixed;
    left: 22px;
    bottom: 22px;
    z-index: 10;
    display: inline-flex;
    align-items: center;
    gap: 11px;
    padding: 11px 20px 11px 16px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--panel);
    color: var(--text);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.4);
    transition: border-color 0.14s ease, box-shadow 0.14s ease, transform 0.14s ease;
}

.ride-toggle:hover {
    transform: translateY(-1px);
}

.ride-toggle.is-riding {
    border-color: var(--cyan);
    box-shadow: 0 0 0 1px rgba(79, 199, 216, 0.28), 0 14px 34px rgba(79, 199, 216, 0.18);
}

.ride-toggle__icon {
    display: inline-flex;
    align-items: center;
    width: 12px;
    height: 14px;
    color: var(--cyan);
}

/* Play-Dreieck */
.ride-toggle__icon::before {
    content: "";
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 7px 0 7px 12px;
    border-color: transparent transparent transparent currentColor;
}

/* Pause-Balken (im Tret-Zustand) */
.ride-toggle.is-riding .ride-toggle__icon::before {
    width: 4px;
    height: 14px;
    border: 0;
    background: currentColor;
    box-shadow: 7px 0 0 currentColor;
}

/* --- Ansicht-Presets (segmentierte Pille, unten zentriert) ---------------- */
.view-controls {
    position: fixed;
    left: 50%;
    bottom: 22px;
    transform: translateX(-50%);
    z-index: 10;
    display: inline-flex;
    gap: 4px;
    padding: 5px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--panel);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.4);
}

.view-controls button {
    padding: 7px 16px;
    border: 0;
    border-radius: 999px;
    background: transparent;
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: color 0.12s ease, background 0.12s ease;
}

.view-controls button:hover {
    color: var(--text);
}

.view-controls button.is-active {
    color: #071115;
    background: linear-gradient(120deg, rgba(169, 237, 243, 0.95), rgba(215, 180, 106, 0.72));
}

/* --- Geometrie-Messhilfe -------------------------------------------------- */
.measure-info-panel {
    position: fixed;
    top: 86px;
    left: 22px;
    z-index: 9;
    width: 320px;
    display: grid;
    gap: 9px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(16, 23, 27, 0.88), rgba(10, 15, 18, 0.78));
    box-shadow: 0 20px 54px rgba(0, 0, 0, 0.42);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.measure-info-panel__eyebrow {
    color: var(--amber);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.measure-info-panel h2 {
    margin: 0;
    color: var(--text);
    font-size: 1.12rem;
}

.measure-info-panel p {
    margin: 0;
    color: rgba(242, 247, 248, 0.78);
    font-size: 0.86rem;
    line-height: 1.42;
}

/* --- Bike-Fit Status ------------------------------------------------------ */
.fit-panel {
    --score: 0deg;
    --score-color: var(--optimal);
    position: fixed;
    top: 86px;
    left: 22px;
    z-index: 9;
    width: 330px;
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: linear-gradient(180deg, rgba(16, 23, 27, 0.88), rgba(10, 15, 18, 0.78));
    box-shadow: 0 20px 54px rgba(0, 0, 0, 0.42);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.fit-panel[data-status="warning"] {
    --score-color: var(--warning);
}

.fit-panel[data-status="danger"] {
    --score-color: var(--danger);
}

.fit-panel__head {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    align-items: center;
}

.fit-panel__eyebrow {
    display: block;
    margin-bottom: 4px;
    color: var(--amber);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.fit-panel h2 {
    margin: 0;
    font-size: 1.02rem;
}

.fit-score {
    width: 74px;
    height: 74px;
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background:
        radial-gradient(circle at 50% 50%, rgba(11, 16, 19, 0.96) 0 58%, transparent 59%),
        conic-gradient(var(--score-color) 0 var(--score), rgba(145, 178, 188, 0.22) var(--score) 360deg);
}

.fit-score span,
.fit-score small {
    grid-area: 1 / 1;
}

.fit-score span {
    margin-top: -8px;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text);
}

.fit-score small {
    margin-top: 28px;
    color: var(--muted);
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.fit-summary {
    display: grid;
    gap: 8px;
}

.fit-chip {
    display: grid;
    gap: 3px;
    padding: 10px 12px;
    border: 1px solid rgba(145, 178, 188, 0.18);
    border-left: 4px solid var(--score-color);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.035);
}

.fit-chip--optimal {
    --score-color: var(--optimal);
}

.fit-chip--warning {
    --score-color: var(--warning);
}

.fit-chip--danger {
    --score-color: var(--danger);
}

.fit-chip span,
.fit-metric dt {
    color: var(--muted);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.fit-chip strong {
    color: var(--text);
    font-size: 0.86rem;
    line-height: 1.25;
}

.fit-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin: 0;
}

.fit-metric {
    min-width: 0;
    padding-top: 10px;
    border-top: 1px solid rgba(145, 178, 188, 0.16);
}

.fit-metric dd {
    margin: 4px 0 0;
    color: var(--text);
    font-size: 0.84rem;
    font-weight: 700;
    overflow-wrap: anywhere;
}

/* --- Konfigurator-Panel --------------------------------------------------- */
.config-panel {
    position: fixed;
    top: 150px;
    right: 22px;
    z-index: 10;
    width: min(340px, calc(100vw - 44px));
    max-height: calc(100vh - 172px);
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
    border: 0;
    border-radius: 12px;
    background: transparent;
    box-shadow: none;
    overflow: visible;
    transition: opacity 0.18s ease;
}

.config-panel:not(.is-menu-open) {
    display: none;
}

.config-panel.is-menu-animating {
    animation: menuFlyIn 0.62s cubic-bezier(0.2, 0.86, 0.22, 1);
    transform-origin: left top;
}

@keyframes menuFlyIn {
    from {
        opacity: 0.25;
        transform: translateX(calc(-100vw + 420px)) translateY(32px) scale(0.32);
    }
    to {
        opacity: 1;
        transform: translateX(0) translateY(0) scale(1);
    }
}

.geometry-editor {
    width: min(340px, calc(100vw - 44px));
}

.config-panel__head {
    min-height: 38px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    border: 1px solid rgba(255, 95, 220, 0.5);
    border-radius: 12px;
    padding: 0 12px;
    color: #ff8fea;
    background: rgba(36, 13, 35, 0.9);
    cursor: pointer;
    box-shadow: 0 0 22px rgba(255, 95, 220, 0.13);
}

.config-panel[data-active-menu="geometry"] .config-panel__head {
    border-color: rgba(215, 180, 106, 0.5);
    color: var(--measure-advanced-strong);
    background: rgba(31, 28, 18, 0.92);
    box-shadow: 0 0 22px rgba(215, 180, 106, 0.13);
}

.config-panel[data-active-menu="geometry"] .panel-toggle {
    color: var(--measure-advanced-strong);
}

.config-panel[data-active-menu="fit"] .config-panel__head {
    border-color: rgba(53, 232, 111, 0.5);
    color: var(--optimal);
    background: rgba(13, 33, 21, 0.92);
    box-shadow: 0 0 22px rgba(53, 232, 111, 0.13);
}

.config-panel[data-active-menu="fit"] .panel-toggle {
    color: var(--optimal);
}

.config-panel__head h2 {
    margin: 0;
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.config-panel__head p {
    display: none;
}

/* Ein-/Ausklappen */
.panel-toggle {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: 50%;
    background: transparent;
    color: #ff8fea;
    font-size: 1rem;
    font-weight: 800;
    line-height: 1;
    cursor: pointer;
    transition: border-color 0.12s ease, background 0.12s ease, color 0.12s ease, transform 0.12s ease;
}

.panel-toggle span {
    display: none !important;
}

.panel-toggle::before {
    content: "+";
    display: grid;
    place-items: center;
    width: 100%;
    height: 100%;
    line-height: 1;
}

.config-panel:not(.is-menu-collapsed) .panel-toggle::before {
    content: "×";
    transform: translateY(-1px);
}

.config-panel.is-menu-open .panel-toggle::before {
    content: "×";
    transform: translateY(-1px);
}

.config-panel.is-menu-open .panel-toggle {
    border-color: currentColor;
    background: rgba(255, 255, 255, 0.1);
}

.panel-toggle:hover,
.config-panel__head:hover .panel-toggle {
    color: #ffd8f7;
    transform: scale(1.06);
}

.panel-open {
    display: none;
}

.config-panel .bike-editor-form,
.config-panel .saved-bike-list,
.floating-menu-section {
    display: none;
}

.config-panel.is-menu-open {
    max-height: calc(100vh - 212px);
    overflow-y: auto;
    padding-bottom: 14px;
}

/* --- Vertikale Scrollbars an das Neon-Design angleichen ------------------- */
.config-panel.is-menu-open,
.config-panel .bike-editor-fields,
.config-panel .bike-editor-side-menu[open],
.part-list {
    scrollbar-width: thin;
    scrollbar-color: rgba(79, 199, 216, 0.55) rgba(9, 13, 16, 0.4);
}

.config-panel.is-menu-open::-webkit-scrollbar,
.config-panel .bike-editor-fields::-webkit-scrollbar,
.config-panel .bike-editor-side-menu[open]::-webkit-scrollbar,
.part-list::-webkit-scrollbar {
    width: 9px;
}

.config-panel.is-menu-open::-webkit-scrollbar-track,
.config-panel .bike-editor-fields::-webkit-scrollbar-track,
.config-panel .bike-editor-side-menu[open]::-webkit-scrollbar-track,
.part-list::-webkit-scrollbar-track {
    background: rgba(9, 13, 16, 0.4);
    border-radius: 9px;
    margin: 6px 0;
}

.config-panel.is-menu-open::-webkit-scrollbar-thumb,
.config-panel .bike-editor-fields::-webkit-scrollbar-thumb,
.config-panel .bike-editor-side-menu[open]::-webkit-scrollbar-thumb,
.part-list::-webkit-scrollbar-thumb {
    border: 2px solid transparent;
    border-radius: 9px;
    background-clip: padding-box;
    background-color: rgba(79, 199, 216, 0.55);
}

.config-panel.is-menu-open::-webkit-scrollbar-thumb:hover,
.config-panel .bike-editor-fields::-webkit-scrollbar-thumb:hover,
.config-panel .bike-editor-side-menu[open]::-webkit-scrollbar-thumb:hover,
.part-list::-webkit-scrollbar-thumb:hover {
    background-color: rgba(169, 237, 243, 0.85);
}

/* Scrollbar folgt der Farbidentitaet des aktiven Menues (rosa/amber/gruen). */
.config-panel[data-active-menu="bike"].is-menu-open,
.config-panel[data-active-menu="bike"] * {
    scrollbar-color: rgba(255, 95, 220, 0.6) rgba(9, 13, 16, 0.4);
}

.config-panel[data-active-menu="bike"].is-menu-open::-webkit-scrollbar-thumb,
.config-panel[data-active-menu="bike"] ::-webkit-scrollbar-thumb {
    background-color: rgba(255, 95, 220, 0.55);
}

.config-panel[data-active-menu="bike"].is-menu-open::-webkit-scrollbar-thumb:hover,
.config-panel[data-active-menu="bike"] ::-webkit-scrollbar-thumb:hover {
    background-color: rgba(255, 143, 234, 0.9);
}

.config-panel[data-active-menu="geometry"].is-menu-open,
.config-panel[data-active-menu="geometry"] * {
    scrollbar-color: rgba(215, 180, 106, 0.6) rgba(9, 13, 16, 0.4);
}

.config-panel[data-active-menu="geometry"].is-menu-open::-webkit-scrollbar-thumb,
.config-panel[data-active-menu="geometry"] ::-webkit-scrollbar-thumb {
    background-color: rgba(215, 180, 106, 0.55);
}

.config-panel[data-active-menu="geometry"].is-menu-open::-webkit-scrollbar-thumb:hover,
.config-panel[data-active-menu="geometry"] ::-webkit-scrollbar-thumb:hover {
    background-color: rgba(255, 217, 130, 0.9);
}

.config-panel[data-active-menu="fit"].is-menu-open,
.config-panel[data-active-menu="fit"] * {
    scrollbar-color: rgba(53, 232, 111, 0.6) rgba(9, 13, 16, 0.4);
}

.config-panel[data-active-menu="fit"].is-menu-open::-webkit-scrollbar-thumb,
.config-panel[data-active-menu="fit"] ::-webkit-scrollbar-thumb {
    background-color: rgba(53, 232, 111, 0.55);
}

.config-panel[data-active-menu="fit"].is-menu-open::-webkit-scrollbar-thumb:hover,
.config-panel[data-active-menu="fit"] ::-webkit-scrollbar-thumb:hover {
    background-color: rgba(107, 246, 157, 0.9);
}

.config-panel[data-active-menu="bike"] .bike-editor-form {
    display: grid;
}

.config-panel[data-active-menu="bike"] .saved-bike-list {
    display: grid;
}

.config-panel[data-active-menu="geometry"] [data-menu-content="geometry"],
.config-panel[data-active-menu="fit"] [data-menu-content="fit"] {
    display: block;
}

.config-panel.is-menu-open .bike-editor-form,
.config-panel.is-menu-open .saved-bike-list,
.config-panel.is-menu-open .floating-menu-section {
    padding: 14px;
    border-right: 1px solid rgba(255, 95, 220, 0.3);
    border-left: 1px solid rgba(255, 95, 220, 0.3);
    background: rgba(13, 19, 23, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.config-panel[data-active-menu="geometry"] .floating-menu-section,
.config-panel[data-active-menu="fit"] .floating-menu-section {
    border-bottom: 1px solid rgba(255, 95, 220, 0.3);
    border-radius: 0 0 12px 12px;
}

.config-panel[data-active-menu="geometry"] .floating-menu-section {
    border-color: rgba(215, 180, 106, 0.3);
}

.config-panel[data-active-menu="fit"] .floating-menu-section {
    border-color: rgba(53, 232, 111, 0.3);
}

.config-panel:not(.is-menu-collapsed) .bike-editor-form {
    border-bottom: 0;
    border-radius: 0;
}

.config-panel:not(.is-menu-collapsed) .saved-bike-list {
    border-bottom: 1px solid rgba(255, 95, 220, 0.3);
    border-radius: 0 0 12px 12px;
}

.part-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow-y: auto;
    padding-right: 4px;
    margin-right: -4px;
}

.bike-editor-form {
    flex: 1 1 auto;
    display: grid;
    gap: 14px;
    min-height: 0;
    overflow: hidden;
}

.bike-editor-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
}

.bike-editor-grid--meta {
    grid-template-columns: 1fr 1fr;
}

.bike-editor-grid--meta .bike-editor-field:first-child {
    grid-column: 1 / -1;
}

.bike-editor-fields {
    display: grid;
    gap: 9px;
    max-height: min(48vh, 430px);
    min-height: 0;
    overflow-y: auto;
    padding-right: 4px;
    margin-right: -4px;
}

.side-control-dock {
    position: fixed;
    top: 250px;
    left: 22px;
    z-index: 10;
    width: min(340px, calc(100vw - 44px));
    max-height: calc(100vh - 330px);
    display: grid;
    gap: 10px;
    pointer-events: auto;
}

.side-menu-trigger {
    min-height: 38px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    border: 1px solid rgba(145, 178, 188, 0.28);
    border-radius: 12px;
    padding: 0 12px;
    color: var(--text);
    background: rgba(16, 23, 27, 0.86);
    font: inherit;
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-align: left;
    text-transform: uppercase;
    cursor: pointer;
    list-style: none;
    transition: border-color 0.14s ease, background 0.14s ease, box-shadow 0.14s ease, transform 0.14s ease;
}

.side-menu-trigger:hover {
    transform: translateX(2px);
}

.side-menu-trigger b {
    flex: 0 0 auto;
    width: 24px;
    height: 24px;
    display: grid;
    place-items: center;
    border: 1px solid transparent;
    border-radius: 50%;
    font-size: 1rem;
    font-weight: 900;
    line-height: 1;
    text-transform: none;
    transition: border-color 0.14s ease, background 0.14s ease, color 0.14s ease, transform 0.14s ease;
}

.side-menu-trigger--bike {
    border-color: rgba(255, 95, 220, 0.5);
    color: #ff8fea;
    background: rgba(36, 13, 35, 0.9);
}

.side-menu-trigger--geometry {
    border-color: rgba(215, 180, 106, 0.44);
    color: var(--measure-advanced-strong);
    background: rgba(31, 28, 18, 0.88);
}

.side-menu-trigger--fit {
    border-color: rgba(53, 232, 111, 0.44);
    color: var(--optimal);
    background: rgba(13, 33, 21, 0.88);
}

.side-menu-trigger.is-active {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.04), 0 0 22px currentColor;
}

.side-menu-trigger.is-active b {
    border-color: currentColor;
    background: rgba(255, 255, 255, 0.1);
    transform: scale(1.06);
}

.bike-editor-section,
.bike-editor-advanced__fields {
    display: grid;
    gap: 9px;
}

.bike-editor-advanced {
    display: grid;
    gap: 9px;
}

.bike-editor-advanced summary {
    min-height: 38px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    border: 1px solid rgba(215, 180, 106, 0.34);
    border-radius: 12px;
    padding: 0 12px;
    color: var(--amber);
    background: rgba(24, 23, 18, 0.74);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    list-style: none;
}

.bike-editor-side-menu {
    max-height: calc(100vh - 330px);
}

.bike-editor-side-menu[open] {
    overflow-y: auto;
    padding-right: 4px;
}

.bike-editor-side-menu--geometry summary {
    border-color: rgba(215, 180, 106, 0.44);
    color: var(--measure-advanced-strong);
    background: rgba(31, 28, 18, 0.88);
}

.bike-editor-side-menu--fit summary {
    border-color: rgba(53, 232, 111, 0.44);
    color: var(--optimal);
    background: rgba(13, 33, 21, 0.88);
}

.bike-editor-side-menu--fit summary::after {
    color: var(--optimal);
}

.bike-editor-advanced summary::-webkit-details-marker {
    display: none;
}

.bike-editor-advanced summary::after {
    content: "+";
    color: var(--measure-advanced-strong);
    font-size: 1rem;
    font-weight: 700;
    line-height: 1;
}

.bike-editor-advanced[open] summary::after {
    content: "-";
}

.bike-editor-advanced[open] .bike-editor-advanced__fields {
    margin-top: 9px;
}

.bike-editor-field {
    position: relative;
    display: grid;
    gap: 6px;
    min-width: 0;
    padding: 10px;
    border: 1px solid rgba(145, 178, 188, 0.18);
    border-radius: 12px;
    background: var(--panel-soft);
    transition: border-color 0.14s ease, background 0.14s ease, box-shadow 0.14s ease;
}

.bike-editor-field--basis {
    border-color: rgba(169, 237, 243, 0.24);
}

.bike-editor-field--advanced {
    border-color: rgba(215, 180, 106, 0.24);
}

.bike-editor-field--fit {
    border-color: rgba(53, 232, 111, 0.24);
}

.bike-editor-field.is-active {
    border-color: rgba(169, 237, 243, 0.78);
    background: rgba(79, 199, 216, 0.12);
    box-shadow: 0 0 0 3px rgba(79, 199, 216, 0.08);
}

.bike-editor-field--advanced.is-active {
    border-color: rgba(215, 180, 106, 0.78);
    background: rgba(215, 180, 106, 0.12);
    box-shadow: 0 0 0 3px rgba(215, 180, 106, 0.08);
}

.bike-editor-field--fit.is-active {
    border-color: rgba(53, 232, 111, 0.86);
    background: rgba(53, 232, 111, 0.13);
    box-shadow: 0 0 0 3px rgba(53, 232, 111, 0.1), 0 0 18px rgba(53, 232, 111, 0.16);
}

.bike-editor-field > span:first-of-type {
    color: var(--cyan-soft);
    font-size: 0.72rem;
    font-weight: 650;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.bike-editor-input {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 7px;
}

.bike-editor-input input {
    width: 100%;
    min-height: 36px;
    border: 1px solid rgba(145, 178, 188, 0.28);
    border-radius: 9px;
    padding: 0 10px;
    color: var(--text);
    background: rgba(8, 14, 17, 0.72);
    font: inherit;
    font-size: 0.86rem;
    font-weight: 700;
    outline: none;
}

.bike-editor-input input:focus {
    border-color: var(--cyan-soft);
    box-shadow: 0 0 0 3px rgba(79, 199, 216, 0.14);
}

.bike-editor-input b {
    color: var(--muted);
    font-size: 0.72rem;
}

.bike-editor-slider {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
}

.bike-editor-range {
    min-width: 0;
    display: grid;
    gap: 1px;
}

.bike-editor-slider input[type="range"] {
    width: 100%;
    min-width: 0;
    accent-color: var(--optimal);
    appearance: none;
    height: 16px;
    background: transparent;
    cursor: pointer;
}

.bike-editor-slider input[type="range"]::-webkit-slider-runnable-track {
    height: 2px;
    border-radius: 999px;
    background: rgba(53, 232, 111, 0.68);
}

.bike-editor-slider input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 12px;
    height: 12px;
    margin-top: -5px;
    border: 2px solid #071115;
    border-radius: 50%;
    background: var(--optimal);
    box-shadow: 0 0 8px rgba(53, 232, 111, 0.42);
}

.bike-editor-option-ticks {
    position: relative;
    display: block;
    height: 8px;
    margin: -3px 6px 0;
    pointer-events: none;
}

.bike-editor-option-ticks span {
    position: absolute;
    left: var(--tick-position);
    top: 1px;
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: rgba(141, 245, 255, 0.42);
    box-shadow: 0 0 6px rgba(34, 215, 255, 0.18);
    transform: translateX(-50%);
}

.bike-editor-option-ticks .tick--active {
    top: 0;
    width: 7px;
    height: 7px;
    background: var(--optimal);
    box-shadow: 0 0 10px rgba(53, 232, 111, 0.54);
}

.bike-editor-slider input[type="range"]::-moz-range-track {
    height: 2px;
    border-radius: 999px;
    background: rgba(53, 232, 111, 0.68);
}

.bike-editor-slider input[type="range"]::-moz-range-thumb {
    width: 10px;
    height: 10px;
    border: 2px solid #071115;
    border-radius: 50%;
    background: var(--optimal);
    box-shadow: 0 0 8px rgba(53, 232, 111, 0.42);
}

.bike-editor-slider b {
    min-width: 58px;
    color: var(--optimal);
    font-size: 0.82rem;
    font-weight: 800;
    text-align: right;
    white-space: nowrap;
}

.saved-bike-list:empty {
    display: none !important;
}

.bike-editor-message {
    min-height: 19px;
    margin: 0;
    color: var(--muted);
    font-size: 0.78rem;
    line-height: 1.3;
}

.bike-editor-message[data-status="error"] {
    color: var(--danger);
}

.bike-editor-message[data-status="success"] {
    color: var(--optimal);
}

.save-bike-button {
    min-height: 40px;
    border: 1px solid rgba(169, 237, 243, 0.7);
    border-radius: 12px;
    color: #071115;
    background: linear-gradient(120deg, rgba(169, 237, 243, 0.96), rgba(215, 180, 106, 0.72));
    font: inherit;
    font-size: 0.88rem;
    font-weight: 800;
    cursor: pointer;
}

.saved-bike-list {
    display: grid;
    gap: 7px;
    padding-top: 10px;
    border-top: 1px solid rgba(145, 178, 188, 0.16);
}

.saved-bike-list h3 {
    margin: 0;
    color: var(--amber);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.saved-bike-list button {
    min-height: 32px;
    border: 1px solid rgba(145, 178, 188, 0.2);
    border-radius: 9px;
    padding: 0 10px;
    color: var(--text);
    background: rgba(25, 35, 40, 0.68);
    font: inherit;
    font-size: 0.78rem;
    text-align: left;
    cursor: pointer;
}

/* --- Teil-Karte ----------------------------------------------------------- */
.cfg-card {
    padding: 14px;
    border: 1px solid rgba(145, 178, 188, 0.18);
    border-radius: 12px;
    background: var(--panel-soft);
}

.cfg-card__title {
    margin: 0 0 10px;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--cyan-soft);
}

/* Farb-Swatches */
.cfg-swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.cfg-swatch {
    width: 26px;
    height: 26px;
    padding: 0;
    border: 2px solid rgba(255, 255, 255, 0.16);
    border-radius: 50%;
    background: var(--swatch);
    cursor: pointer;
    transition: transform 0.12s ease, border-color 0.12s ease, box-shadow 0.12s ease;
}

.cfg-swatch:hover {
    transform: translateY(-1px) scale(1.06);
}

.cfg-swatch.is-active {
    border-color: var(--cyan);
    box-shadow: 0 0 0 2px rgba(79, 199, 216, 0.3), 0 0 14px rgba(79, 199, 216, 0.28);
}

/* Freie Farbauswahl: Regenbogen-Swatch, der den nativen Color-Picker kapselt. */
.cfg-swatch--custom {
    position: relative;
    overflow: hidden;
    padding: 0;
    background: conic-gradient(from 0deg, #ff4d4d, #ffd24d, #9be23a, #22d7ff, #8a5cff, #ff4d4d);
}

.cfg-swatch--custom input[type="color"] {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    border: 0;
    opacity: 0;
    cursor: pointer;
}

/* Finish-Pills */
.cfg-finishes {
    display: flex;
    gap: 6px;
    margin-top: 12px;
}

.cfg-finish {
    flex: 1;
    padding: 7px 4px;
    border: 1px solid rgba(145, 178, 188, 0.22);
    border-radius: 9px;
    background: rgba(25, 35, 40, 0.72);
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

.cfg-finish:hover {
    color: var(--text);
    border-color: var(--line);
}

.cfg-finish.is-active {
    background: linear-gradient(120deg, rgba(169, 237, 243, 0.92), rgba(215, 180, 106, 0.62));
    border-color: var(--cyan);
    color: #071115;
}

/* --- Lade-Overlay --------------------------------------------------------- */
.loading-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    background: #090d10;
    color: var(--cyan-soft);
    font-size: 0.9rem;
    letter-spacing: 0.04em;
    z-index: 20;
    transition: opacity 0.5s ease;
}

.loading-overlay.is-hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    border: 3px solid rgba(79, 199, 216, 0.2);
    border-top-color: var(--cyan);
    animation: spin 0.9s linear infinite;
}

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

/* --- Responsive: Panel wird auf schmalen Screens zur unteren Lade ---------- */
/* Unter ~900px wuerde die absolut zentrierte Navigation mit Brand/Titel
   kollidieren - zurueck in den Flex-Fluss. */
@media (max-width: 900px) {
    .hud-nav {
        position: static;
        transform: none;
    }
}

/* Mittlere Breiten: linke Panels unter die Namensleiste ruecken, damit sich
   die mittig fixierte Leiste und das Info-Panel nicht ueberlappen. */
@media (max-width: 1140px) and (min-width: 761px) {
    .measure-info-panel {
        top: 132px;
    }

    .side-control-dock {
        top: 296px;
        max-height: calc(100vh - 376px);
    }
}

@media (max-width: 760px) {
    :root {
        --mobile-shell-x: 12px;
        --mobile-name-top: 58px;
        --mobile-menu-top: 122px;
        --mobile-panel-top: calc(var(--mobile-menu-top) + 150px);
        --mobile-safe-bottom: env(safe-area-inset-bottom, 0px);
    }

    html,
    body {
        height: 100dvh;
        overflow: hidden;
    }

    .stage {
        height: 100dvh;
    }

    .hud-top {
        justify-content: flex-start;
        gap: 8px;
        padding: 10px var(--mobile-shell-x);
        overflow: hidden;
    }

    .brand {
        gap: 0;
    }

    .brand-text {
        display: none;
    }

    .hud-nav {
        flex: 0 1 auto;
        max-width: min(312px, calc(100vw - 64px));
        min-width: 0;
        overflow-x: auto;
        scrollbar-width: none;
        gap: 3px;
        padding: 4px;
    }

    .hud-nav::-webkit-scrollbar {
        display: none;
    }

    .bike-name-bar {
        top: var(--mobile-name-top);
        left: var(--mobile-shell-x);
        right: var(--mobile-shell-x);
        transform: none;
        width: auto;
        min-height: 52px;
        gap: 7px;
        padding: 6px;
    }

    .bike-name-bar input {
        min-height: 38px;
        padding-right: 10px;
        font-size: 0.84rem;
        text-overflow: ellipsis;
    }

    .bike-name-bar .save-bike-button {
        min-height: 38px;
        padding: 0 14px;
        font-size: 0.84rem;
    }

    .fit-panel {
        top: 66px;
        left: 12px;
        right: 12px;
        width: auto;
        padding: 14px;
        gap: 10px;
    }

    .fit-panel__head {
        align-items: flex-start;
    }

    .fit-score {
        width: 62px;
        height: 62px;
    }

    .fit-score span {
        font-size: 1.1rem;
    }

    .fit-score small {
        margin-top: 24px;
        font-size: 0.5rem;
    }

    .fit-summary {
        grid-template-columns: 1fr 1fr;
    }

    .fit-chip {
        padding: 9px;
    }

    .fit-metrics {
        display: none;
    }

    .measure-info-panel {
        display: none;
    }

    .side-control-dock {
        top: var(--mobile-menu-top);
        left: var(--mobile-shell-x);
        right: var(--mobile-shell-x);
        bottom: auto;
        width: auto;
        max-height: none;
        gap: 7px;
        z-index: 11;
    }

    .side-menu-trigger {
        min-height: 42px;
        height: 42px;
        padding: 0 14px;
        border-radius: 12px;
        font-size: 0.75rem;
        letter-spacing: 0.13em;
        box-shadow: none;
        overflow: hidden;
    }

    .side-menu-trigger span {
        min-width: 0;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .side-menu-trigger.is-active {
        box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.035), 0 0 16px currentColor;
    }

    .side-menu-trigger b {
        width: 28px;
        height: 28px;
        font-size: 1.08rem;
        line-height: 1;
    }

    .config-panel {
        top: var(--mobile-panel-top);
        bottom: var(--mobile-safe-bottom);
        right: var(--mobile-shell-x);
        left: var(--mobile-shell-x);
        width: auto;
        max-height: calc(100dvh - var(--mobile-panel-top) - var(--mobile-safe-bottom));
        border-radius: 18px 18px 0 0;
        z-index: 12;
        overflow: hidden;
    }

    .geometry-editor {
        width: auto;
        max-height: calc(100dvh - var(--mobile-panel-top) - var(--mobile-safe-bottom));
    }

    .config-panel.is-menu-open {
        max-height: calc(100dvh - var(--mobile-panel-top) - var(--mobile-safe-bottom));
        padding-bottom: max(10px, var(--mobile-safe-bottom));
        overflow-y: auto;
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
        touch-action: pan-y;
    }

    .config-panel__head {
        min-height: 46px;
        flex: 0 0 auto;
        border-radius: 16px 16px 0 0;
        padding: 0 16px;
    }

    .config-panel__head h2 {
        font-size: 0.78rem;
        letter-spacing: 0.12em;
    }

    .config-panel.is-menu-open .bike-editor-form,
    .config-panel.is-menu-open .saved-bike-list,
    .config-panel.is-menu-open .floating-menu-section {
        padding: 14px;
        max-height: none;
        border-radius: 0;
    }

    .config-panel.is-menu-open .bike-editor-form {
        flex: 0 0 auto;
        overflow: visible;
    }

    .bike-editor-grid--meta {
        grid-template-columns: 1fr;
    }

    .bike-editor-grid--meta .bike-editor-field:first-child {
        grid-column: 1 / -1;
    }

    .bike-editor-field {
        gap: 8px;
        padding: 12px;
        border-radius: 14px;
    }

    .bike-editor-fields {
        max-height: none;
        overflow: visible;
        padding-right: 0;
        margin-right: 0;
    }

    .bike-editor-section,
    .bike-editor-advanced__fields {
        gap: 12px;
    }

    .bike-editor-input input {
        min-height: 40px;
        font-size: 0.9rem;
    }

    .bike-editor-slider {
        grid-template-columns: minmax(0, 1fr) minmax(64px, auto);
        gap: 12px;
    }

    .bike-editor-slider input[type="range"] {
        height: 22px;
    }

    .bike-editor-slider input[type="range"]::-webkit-slider-runnable-track {
        height: 3px;
    }

    .bike-editor-slider input[type="range"]::-webkit-slider-thumb {
        width: 16px;
        height: 16px;
        margin-top: -6.5px;
    }

    .bike-editor-slider b {
        min-width: 64px;
        font-size: 0.9rem;
    }

    .part-list {
        flex-direction: row;
        overflow-x: auto;
        overflow-y: hidden;
    }

    .cfg-card {
        min-width: 200px;
        flex: 0 0 auto;
    }

    .hud-title {
        display: none;
    }

    .hud-nav a {
        flex: 0 0 auto;
        padding: 5px 5px;
        font-size: 0.64rem;
        white-space: nowrap;
    }

    /* Tret- und Ansicht-Buttons sitzen unten, verschwinden aber bei offenem Menue. */
    .ride-toggle {
        left: 50%;
        transform: translateX(-50%);
        top: auto;
        bottom: calc(var(--mobile-safe-bottom) + 72px);
        z-index: 9;
        padding: 10px 18px 10px 15px;
    }

    body[data-editor-menu] .ride-toggle {
        display: none;
    }

    .ride-toggle:hover {
        transform: translateX(-50%) translateY(-1px);
    }

    .view-controls {
        top: auto;
        bottom: calc(var(--mobile-safe-bottom) + 14px);
        z-index: 9;
    }

    body[data-editor-menu] .view-controls {
        display: none;
    }

    .view-controls button {
        padding: 8px 15px;
    }

    @media (max-width: 380px) {
        .brand-icon {
            width: 36px;
        }

        .hud-top {
            gap: 6px;
        }

        .hud-nav {
            gap: 2px;
            max-width: min(296px, calc(100vw - 58px));
            padding: 4px;
        }

        .hud-nav a {
            padding: 5px 5px;
            font-size: 0.62rem;
        }

        .bike-name-bar input {
            padding-left: 34px;
            font-size: 0.8rem;
        }

        .bike-name-bar .save-bike-button {
            padding: 0 12px;
            font-size: 0.8rem;
        }

        .side-menu-trigger {
            font-size: 0.72rem;
            letter-spacing: 0.1em;
        }
    }

    /* Auf Mobile klappt das Panel nach unten weg. */
    body.panel-collapsed .config-panel {
        transform: translateY(calc(100% + 30px));
    }

    .panel-open {
        top: auto;
        bottom: 16px;
        right: 16px;
    }

    .measure-line__label {
        font-size: 11px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .loading-spinner {
        animation-duration: 2.4s;
    }
}