/* ============================================================
   BASE
   ============================================================ */
body {
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #e3f2ff, #f8faff);
    font-family: "Arial", "Helvetica", sans-serif;
    -webkit-overflow-scrolling: touch;
    opacity: 0;
    transition:
        transform 0.4s ease,
        opacity 0.4s ease;
}

body.page-loaded {
    opacity: 1;
}
body.exit-left {
    transform: translateX(-40px);
    opacity: 0;
}
body.exit-right {
    transform: translateX(40px);
    opacity: 0;
}

h1 {
    text-align: center;
    padding: 17px 0;
    margin: 0 0 33px 0;
    letter-spacing: 1.1px;
}

sub {
    font-size: 0.7em;
    vertical-align: sub;
}

u {
    font-size: larger;
    text-decoration: underline;
}

/* ============================================================
   FORM / UMECHNER
   ============================================================ */
form {
    position: relative;
    overflow: visible;
    z-index: 1;
    background: rgba(255, 255, 255, 0.9);
    max-width: 715px;
    margin: auto;
    padding: 28px;
    border-radius: 20px;
    box-shadow:
        0 3px 6px rgba(0, 0, 0, 0.05),
        0 12px 20px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.umrechner {
    display: grid;
    grid-template-columns: 145px 220px 50px 220px;
    align-items: center;
    gap: 13px;
    margin-bottom: 12px;
}

.umrechner input {
    border: none;
    border-bottom: 1px solid #ccc;
    background: transparent;
    padding: 5px;
    text-align: center;
    font-size: 20px;
}

.umrechner input:focus {
    outline: none;
    border-bottom: 1px solid #0077cc;
}

.umrechner input::-webkit-inner-spin-button {
    appearance: none;
}

.eingabefeld {
    cursor: text;
    display: flex;
    flex-direction: column;
    width: 100%;
    padding: 7px 11px;
    background: rgba(255, 255, 255, 0.65);
    border: 1px solid rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(6px);
    border-radius: 13px;
    transition:
        transform 0.2s ease,
        box-shadow 0.25s ease;
}

.eingabefeld:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 18px rgba(0, 0, 0, 0.08);
}

.title {
    font-size: 1.34rem;
}

.einheit-label {
    opacity: 0.6;
    font-size: 0.99rem;
    margin-bottom: -4px;
    text-align: right;
}

.gray-input {
    background: rgba(200, 200, 200, 0.4);
}
.op {
    opacity: 0;
}

/* Sonderfall letzte Zeile (Non-HDL/…/Quotienten) */
.umrechner.last-input-centered {
    margin-bottom: 0;
    grid-template-columns: 145px 1fr;
}
.umrechner.last-input-centered .eingabefeld {
    grid-column: 2;
    justify-self: center;
    max-width: 220px;
    width: 100%;
}
.umrechner.last-input-centered2 .eingabefeld {
    grid-column: 2;
    justify-self: left;
    max-width: 220px;
    width: 100%;
}

/* Gleichheitszeichen mit Tooltip */
.gleichheitszeichen {
    font-size: 1.54rem;
    padding-left: 20px;
    text-align: center;
    position: relative;
    display: inline-block;
    cursor: pointer;
    border-bottom: none;
}
.gleichheitszeichen .tooltip-box {
    font-size: 0.99rem;
    visibility: hidden;
    opacity: 0;
    background-color: #222;
    color: #fff;
    text-align: center;
    padding: 6px 10px;
    border-radius: 5px;
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-40%);
    transition:
        opacity 0.2s ease,
        transform 0.2s ease;
    white-space: nowrap;
    z-index: 10;
}
.gleichheitszeichen .tooltip-box::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(5px);
    border-width: 5px;
    border-style: solid;
    border-color: #222 transparent transparent transparent;
}
.gleichheitszeichen:hover .tooltip-box,
.gleichheitszeichen:focus-within .tooltip-box {
    visibility: visible;
    opacity: 1;
    transform: translateX(-50%) translateY(-6px);
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
    position: relative;
    background: linear-gradient(90deg, #005fa3, #0095ff);
    padding: 17px 0;
    margin-bottom: 33px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.header h1 {
    margin: 0;
    text-align: center;
    font-size: 57px;
    color: white;
    letter-spacing: 1.1px;
}

/* ============================================================
   BUTTONS – Basis
   ============================================================ */
.BTN {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 60px;
    height: 60px;
    border: none;
    border-radius: 50%;
    background: white;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}
.BTN:hover {
    background: rgb(209, 207, 207);
    box-shadow: 0 10px 18px rgba(0, 0, 0, 0.3);
    scale: 1.15;
}

.BTN:active {
    box-sizing: border-box;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Position bleibt fix – nur scale kommt aus .BTN:hover */
#site2Btn:hover,
#resetBtn:hover {
    top: 50%;
}

/* ============================================================
   BUTTONS – Positionen (Desktop)
   ============================================================ */
#site2Btn {
    position: absolute;
    top: 50%;
    left: 20px;
    translate: 0 -50%; /* vorher: transform: translateY(-50%) */
}

#resetBtn {
    position: absolute;
    top: 50%;
    right: 20px;
    translate: 0 -50%; /* vorher: transform: translateY(-50%) */
}

#CopyBtn {
    position: absolute;
    bottom: -50px;
    right: -30px;
    translate: 0 -50%; /* vorher: transform: translateY(-50%) */
}

#Next_BTN {
    position: fixed;
    bottom: 15px;
    right: 15px;
    z-index: 999;
}

#Back_BTN {
    position: fixed;
    bottom: 15px;
    left: 15px;
    transform: scaleX(-1);
    z-index: 999;
}

#Save_BTN {
    position: fixed;
    bottom: 15px;
    right: 90px;
    z-index: 999;
}

/* Position bleibt fix – nur scale kommt aus .BTN:hover */
#Next_BTN:hover,
#Back_BTN:hover,
#Save_BTN:hover {
    bottom: 15px;
}

#CopyBtn:hover {
    bottom: -50px;
}

/* ============================================================
   USER-BADGE + LOGOUT  (Badge links, Logout rechts)
   ============================================================ */
.header-right {
    position: absolute;
    top: 50%;
    right: 90px;
    transform: translateY(-50%);
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    z-index: 2;
}

/* Logout-Button erbt Position vom Container */
.header-right #logoutBtn {
    position: static !important;
    top: auto !important;
    right: auto !important;
    left: auto !important;
    bottom: auto !important;
    transform: none !important;
}
.header-right #logoutBtn:hover {
    top: auto !important;
    right: auto !important;
    transform: none !important;
    background: rgb(209, 207, 207);
    scale: 1.15;
}

.user-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 20px;
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 500;
    backdrop-filter: blur(6px);
    max-width: 220px;
    white-space: nowrap;
}

.user-badge svg {
    width: 18px;
    height: 18px;
    fill: #ffffff;
    flex-shrink: 0;
}

.user-badge .material-symbols-outlined {
    font-size: 18px;
}

#usernameLabel {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ============================================================
   TOGGLE ITEMS (ausblendbar)
   ============================================================ */
.toggle-item {
    display: none;
}

/* ============================================================
   DROPDOWN
   ============================================================ */
.dropdown-container {
    display: grid;
    grid-template-columns: 145px 1fr;
    align-items: center;
    gap: 13px;
    position: relative;
    overflow: visible;
    z-index: 9999;
}
.dropdown-container .title {
    font-size: 1.34rem;
}
.dropdown-container label {
    opacity: 0.6;
    font-size: 0.99rem;
    margin-bottom: 3px;
}

.custom-dropdown {
    position: relative;
    width: 100%;
    max-width: 220px;
    justify-self: center;
    padding: 7px 11px;
    background: rgba(255, 255, 255, 0.65);
    border: 1px solid rgba(0, 0, 0, 0.08);
    backdrop-filter: blur(6px);
    border-radius: 13px;
    transition:
        transform 0.2s ease,
        box-shadow 0.25s ease;
    z-index: 9999;
    overflow: visible;
}
.custom-dropdown:hover {
    transform: translateY(-3px);
    box-shadow: 0 7px 18px rgba(0, 0, 0, 0.08);
}

.dropdown-button {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 5px;
    border: none;
    border-bottom: 1px solid #ccc;
    background: transparent;
    font-size: 1rem;
    color: #222;
    cursor: pointer;
}
.dropdown-button:hover {
    border-bottom-color: #0077cc;
}
.dropdown-button span {
    font-size: 20px;
    transition: transform 0.2s ease;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    width: 100%;
    padding: 6px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(0, 0, 0, 0.08);
    border-radius: 13px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition:
        opacity 0.2s ease,
        transform 0.2s ease,
        visibility 0.2s ease;
    z-index: 9999;
}
.dropdown-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.arrow {
    transition: transform 0.2s ease;
}
.arrow.rotate {
    transform: rotate(180deg);
}

/* ---------- Dropdown-Pfeil: sauberer Chevron statt ⌄ ---------- */
.dropdown-button .arrow {
    position: relative;
    flex: none;
    width: 22px;
    height: 22px;
    font-size: 0; /* blendet das Textzeichen ⌄ aus */
    line-height: 0;
    color: transparent;
    transition: transform 0.25s cubic-bezier(0.3, 1.2, 0.5, 1);
}

.dropdown-button .arrow::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    border-right: 2.5px solid #005fa3;
    border-bottom: 2.5px solid #005fa3;
    border-radius: 1px;
    transform: translate(-50%, -70%) rotate(45deg); /* zeigt nach unten */
    transition: border-color 0.2s ease;
}

.dropdown-button:hover .arrow::before {
    border-color: #0095ff;
}

/* Geöffnet: Chevron dreht sich nach oben */
.dropdown-button .arrow.rotate {
    transform: rotate(180deg);
}

@media (max-width: 650px) {
    .dropdown-button .arrow {
        width: 26px;
        height: 26px;
    }
    .dropdown-button .arrow::before {
        width: 10px;
        height: 10px;
    }
}

.dropdown-option {
    padding: 11px 12px;
    border-radius: 9px;
    font-size: 1rem;
    color: #222;
    cursor: pointer;
    transition:
        background 0.2s ease,
        transform 0.2s ease;
}
.dropdown-option:hover {
    background: rgba(0, 119, 204, 0.1);
    transform: translateX(3px);
}

/* ============================================================
   WARNUNG
   ============================================================ */
.Triglyceride-warning {
    margin-top: 20px;
    text-align: left;
    font-size: 0.99rem;
    font-weight: bold;
    color: white;
    background: rgb(75, 73, 73);
    padding: 12px 20px;
    border-radius: 14px;
}

/* ============================================================
   CHECKBOX (modern)
   ============================================================ */
.checkbox-container {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    user-select: none;
    font-size: 1rem;
}
.checkbox-container input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    border: 2px solid #bfc8d4;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(6px);
    transition: all 0.2s ease;
    cursor: pointer;
    position: relative;
}
.checkbox-container input[type="checkbox"]:hover {
    border-color: #0077cc;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 119, 204, 0.15);
}
.checkbox-container input[type="checkbox"]:checked {
    background: linear-gradient(135deg, #0077cc, #00a2ff);
    border-color: #0077cc;
}
.checkbox-container input[type="checkbox"]:checked::after {
    content: "✓";
    position: absolute;
    color: white;
    font-size: 16px;
    font-weight: bold;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -55%);
}
.checkbox-container span {
    flex: 1;
    display: flex;
}

/* ============================================================
   MATERIAL SYMBOLS (nur wenn verwendet)
   ============================================================ */
.material-symbols-outlined {
    font-family: "Material Symbols Outlined";
    font-weight: normal;
    font-style: normal;
    font-size: 26px;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    display: inline-block;
    white-space: nowrap;
    direction: ltr;
    -webkit-font-feature-settings: "liga";
    -webkit-font-smoothing: antialiased;
    font-variation-settings:
        "FILL" 0,
        "wght" 400,
        "GRAD" 0,
        "opsz" 24;
    user-select: none;
    pointer-events: none;
}

/* Icon-Farben je Button */
#site2Btn,
#Next_BTN,
#Back_BTN {
    color: #ffffff;
}
#resetBtn,
#logoutBtn,
#Save_BTN,
#CopyBtn {
    color: #000000;
}

.umschalter {
    position: absolute;
    top: 50%;
    left: 5%; /* ← ganz links */
    right: auto; /* ← wichtig, sonst überschreibt right den Wert */
    transform: translateY(-50%);
    width: 3.2em;
    height: 1.8em;
    z-index: 5;
}
.umschalter input {
    appearance: none;
    width: 100%;
    height: 100%;
    border: 1px solid #bbbbbb;
    margin: 0;
    border-radius: 999px;
    cursor: pointer;
    transition:
        background 0.3s ease,
        border-color 0.3s ease;
}

.umschalter-knopf {
    background-color: #bbbbbb;
    width: 1.4em;
    height: 1.4em;
    box-shadow: 0 0 1px #333333;
    position: absolute;
    top: 0.2em;
    left: 0.2em;
    pointer-events: none;
    transition: transform 0.5s ease-in-out;
    border-radius: 50%;
}

.umschalter input:checked {
    background-color: hsl(216, 98%, 52%);
    border-color: hsl(216, 98%, 42%);
}

.umschalter input:checked + .umschalter-knopf {
    transform: translateX(1.4em);
    background-color: white;
}

/* ============================================================
   TABLET  (<= 900px)
   ============================================================ */
@media (max-width: 900px) {
    form {
        margin: 20px;
    }

    .umrechner,
    .dropdown-container {
        grid-template-columns: 130px 1fr;
    }

    .header h1 {
        font-size: 42px;
    }
}

/* ============================================================
   TOUCH-GERÄTE (kein Hover) – Hover-Effekte abschalten
   (gilt auch für Tablets > 650px)
   ============================================================ */
@media (hover: none), (pointer: coarse) {
    .eingabefeld:hover,
    .custom-dropdown:hover {
        transform: none;
        box-shadow: none;
    }

    .BTN:hover,
    #site2Btn:hover,
    #resetBtn:hover,
    #Next_BTN:hover,
    #Back_BTN:hover,
    #Save_BTN:hover,
    #CopyBtn:hover,
    #logoutBtn:hover,
    .header-right #logoutBtn:hover {
        scale: 1;
        background: white;
        box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
    }

    #site2Btn:hover,
    #resetBtn:hover {
        top: 50%;
    }
    #Next_BTN:hover,
    #Back_BTN:hover,
    #Save_BTN:hover {
        bottom: 15px;
    }
    #CopyBtn:hover {
        bottom: -50px;
    }
}

/* ============================================================
   HANDY  (<= 650px)
   WICHTIG: muss GANZ AM ENDE der Datei stehen
   ============================================================ */
@media (max-width: 650px) {
    /* ---------- Grundlayout ---------- */
    body {
        padding-bottom: 160px; /* Platz für fixe Buttons */
        /* nur Fade, kein transform (sonst springen fixed-Buttons nach unten) */
        transition: opacity 0.4s ease !important;
    }
    body.exit-left,
    body.exit-right {
        transform: none !important;
    }

    input {
        font-size: 16px;
        min-height: 44px;
    }

    form {
        padding: 20px 14px;
        border-radius: 18px;
        margin: 12px;
    }

    /* ---------- Header ---------- */
    .header {
        padding: 10px 0;
        margin-bottom: 18px;
        min-height: 60px;
    }
    .header h1 {
        font-size: 26px;
        letter-spacing: 0.5px;
        margin: 0;
        padding: 0;
    }

    /* ---------- Buttons: keine Animation, kein Hover-Effekt ---------- */
    .BTN,
    .BTN:hover,
    .BTN:active,
    .BTN:focus {
        transition: none !important;
        scale: 1 !important;
        background: white !important;
        box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2) !important;
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }

    /* ---------- Header-Buttons (fixe Position, auch bei Hover/Active) ---------- */
    #site2Btn,
    #site2Btn:hover,
    #site2Btn:active,
    #site2Btn:focus {
        position: absolute !important;
        top: 50% !important;
        left: 10px !important;
        right: auto !important;
        bottom: auto !important;
        translate: 0 -50% !important;
        transform: none !important;
        width: 38px;
        height: 38px;
    }

    #resetBtn,
    #resetBtn:hover,
    #resetBtn:active,
    #resetBtn:focus {
        position: absolute !important;
        top: 50% !important;
        right: 10px !important;
        left: auto !important;
        bottom: auto !important;
        translate: 0 -50% !important;
        transform: none !important;
        width: 38px;
        height: 38px;
    }

    #resetBtn svg,
    #site2Btn svg {
        width: 20px;
        height: 20px;
    }

    /* ---------- Logout nur als Icon links vom Reset ---------- */
    .header-right {
        right: 54px; /* 10 (reset) + 38 (reset) + 6 (gap) */
        gap: 0;
        z-index: 3;
    }
    .header-right #logoutBtn {
        width: 38px;
        height: 38px;
    }
    .header-right #logoutBtn svg {
        width: 20px;
        height: 20px;
    }

    /* Benutzername-Badge auf dem Handy ausblenden */
    .user-badge {
        display: none !important;
    }

    /* ---------- Umschalter (Toggle) ---------- */
    .umschalter {
        top: 50%;
        transform: translateY(-50%);
        width: 2.8em;
        height: 1.5em;
    }
    .umschalter-knopf {
        width: 1.1em;
        height: 1.1em;
        top: 0.18em;
        left: 0.18em;
    }
    .umschalter input:checked + .umschalter-knopf {
        transform: translateX(1.2em);
    }

    /* ---------- Umrechner / Eingaben ---------- */
    .umrechner {
        grid-template-columns: 1fr;
        gap: 14px;
        margin-bottom: 34px;
    }
    .umrechner label {
        text-align: center;
    }

    /* Einzelne Felder: volle Breite wie die Doppelfelder */
    .umrechner.last-input-centered {
        grid-template-columns: 1fr !important;
    }
    .umrechner.last-input-centered .eingabefeld {
        grid-column: auto !important;
        justify-self: stretch !important;
        width: 100% !important;
        max-width: none !important;
        box-sizing: border-box;
    }
    /* leere Platzhalter ausblenden (keine Extra-Lücken) */
    .umrechner.last-input-centered > div:empty,
    .umrechner.last-input-centered > .gleichheitszeichen {
        display: none !important;
    }

    .gleichheitszeichen {
        display: none;
    }

    .eingabefeld {
        width: 100%;
        max-width: none;
        margin: 0;
        box-sizing: border-box;
        padding: 14px 16px;
        border-radius: 16px;
    }
    .eingabefeld:hover,
    .custom-dropdown:hover {
        transform: none;
        box-shadow: none;
    }
    .eingabefeld input {
        font-size: 20px;
        padding: 10px 0;
        min-height: 48px;
    }

    .einheit-label {
        font-size: 0.9rem;
        margin-bottom: 6px;
    }

    .title {
        font-size: 1.6rem;
        line-height: 1.2;
    }

    /* ---------- Untere Buttons: fest am Bildschirmrand ---------- */
    #Next_BTN,
    #Next_BTN:hover,
    #Next_BTN:active,
    #Next_BTN:focus {
        position: fixed !important;
        bottom: 16px !important;
        right: 16px !important;
        left: auto !important;
        top: auto !important;
        transform: none !important;
        z-index: 1000;
    }

    #Back_BTN,
    #Back_BTN:hover,
    #Back_BTN:active,
    #Back_BTN:focus {
        position: fixed !important;
        bottom: 16px !important;
        left: 16px !important;
        right: auto !important;
        top: auto !important;
        transform: scaleX(-1) !important; /* Pfeil bleibt gespiegelt */
        z-index: 1000;
    }

    #Save_BTN,
    #Save_BTN:hover,
    #Save_BTN:active,
    #Save_BTN:focus {
        position: fixed !important;
        bottom: 16px !important;
        right: 84px !important; /* 16 (Next) + 60 (Next) + 8 (Lücke) */
        left: auto !important;
        top: auto !important;
        transform: none !important;
        z-index: 999;
    }

    #CopyBtn,
    #CopyBtn:hover,
    #CopyBtn:active,
    #CopyBtn:focus {
        position: fixed !important;
        top: auto !important;
        left: auto !important;
        right: 16px !important;
        bottom: 90px !important;
        translate: 0 !important; /* NEU – hebt das translate aus der Basis auf */
        transform: none !important;
        width: 52px;
        height: 52px;
        z-index: 999;
    }

    /* ---------- Dropdowns auf Handy ---------- */
    .dropdown-container {
        display: flex;
        flex-direction: column;
        gap: 10px;
        width: 100%;
    }
    .dropdown-container .title {
        text-align: center;
        font-size: 1.4rem;
    }
    .custom-dropdown {
        position: relative;
        width: 100%;
        max-width: none;
        margin: 0;
        padding: 12px 16px;
        box-sizing: border-box;
    }
    .dropdown-button {
        width: 100%;
        min-height: 52px;
        font-size: 20px;
        padding: 0;
    }
    .dropdown-menu {
        position: absolute;
        left: 0;
        right: 0;
        top: calc(100% + 8px);
        max-height: 250px;
        overflow-y: auto;
        background: rgba(255, 255, 255, 0.98);
        border-radius: 14px;
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.15);
        z-index: 99999;
    }
    .dropdown-option {
        padding: 16px;
        font-size: 18px;
    }
    .dropdown-option:active {
        background: rgba(0, 119, 204, 0.15);
    }

    /* ---------- Checkboxen ---------- */
    input[type="checkbox"] {
        min-height: 22px;
    }
}

/* ============================================================
   MOBIL-FIX 4 – ganz am Ende, nur <= 650px
   ============================================================ */
@media (max-width: 650px) {
    /* Kein horizontales Überstehen (verschiebt fixed-Buttons auf Android) */
    html {
        overflow-x: hidden;
    }
    html body form,
    html body .eingabefeld {
        box-sizing: border-box;
    }

    /* Alle Zeilen: genau eine Spalte, gleicher Abstand */
    html body form .umrechner,
    html body form .umrechner.last-input-centered,
    html body form .umrechner.last-input-centered2 {
        grid-template-columns: minmax(0, 1fr) !important;
        grid-auto-columns: minmax(0, 1fr) !important;
        margin-bottom: 34px !important;
    }
    html body form .umrechner:last-child {
        margin-bottom: 0 !important;
    }

    /* Alles in der Zeile über die volle Breite */
    html body form .umrechner > * {
        grid-column: 1 / -1 !important;
        min-width: 0;
    }
    html body form .umrechner > .eingabefeld {
        width: 100% !important;
        max-width: none !important;
        justify-self: stretch !important;
        margin: 0 !important;
    }

    /* Leere Platzhalter in den Einzelfeld-Zeilen ausblenden */
    html body form .umrechner[class*="last-input"] > div:not(.eingabefeld),
    html body form .umrechner[class*="last-input"] > .gleichheitszeichen {
        display: none !important;
    }
}

/* ============================================================
   KLICK-FEEDBACK für Buttons – ganz am Ende der Datei
   Nur scale/Farbe/Schatten, nie die Position
   ============================================================ */
html body .BTN,
html body .BTN:focus,
html body .BTN:focus-visible {
    outline: none;
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
}

html body .BTN svg {
    transition: transform 0.12s ease;
}

/* ---------- PC / Maus ---------- */
@media (hover: hover) and (pointer: fine) {
    html body .BTN {
        transition:
            scale 0.12s ease,
            background 0.12s ease,
            box-shadow 0.12s ease;
    }
    html body .BTN:active,
    html body .BTN.is-pressed {
        scale: 1.15 !important; /* vorher: 135% */
        background: #c4c4c4 !important;
        box-shadow: 0 3px 6px rgba(0, 0, 0, 0.25) !important;
    }
    html body .BTN:active svg,
    html body .BTN.is-pressed svg {
        transform: scale(0.92);
    }
}

/* ---------- Handy / Touch ---------- */
@media (hover: none), (pointer: coarse), (max-width: 650px) {
    html body .BTN {
        transition:
            scale 0.12s ease,
            background 0.12s ease,
            box-shadow 0.12s ease !important;
    }
    html body .BTN:active,
    html body .BTN.is-pressed {
        scale: 1.15 !important; /* vorher: 0.9 (Verkleinern) */
        background: #e4e4e4 !important;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2) !important;
    }
    html body .BTN:active svg,
    html body .BTN.is-pressed svg {
        transform: scale(0.92);
    }
}

#site2Btn:hover,
#resetBtn:hover {
    top: 50%;
}
#Next_BTN:hover,
#Back_BTN:hover,
#Save_BTN:hover {
    bottom: 15px;
}
#CopyBtn:hover {
    bottom: -50px;
}