/* ==========================================
   WÄSCHE BUCHEN - PRODUKTE
   ========================================== */

.produkte-liste {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.produkt-karte {
    background: white;
    border: 2px solid #e0e0e0;
    border-radius: 12px;
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
    cursor: pointer;
}

@media (hover: hover) {
    .produkt-karte:hover {
        border-color: var(--primary-color);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        transform: translateY(-2px);
    }
}

.produkt-info {
    flex: 1;
}

.produkt-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: #333;
    margin: 0 0 5px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.produkt-name i {
    color: var(--primary-color);
}

.produkt-beschreibung {
    font-size: 0.875rem;
    color: #666;
    margin: 0;
}

.produkt-preis-aktion {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 10px;
}

/* Preisanzeige wie Terminal (Listenpreis durchgestrichen + Endpreis + Ersparnis) */
.produkt-preis-block {
    text-align: right;
    min-width: 0;
}

.produkt-preis-zeile {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: flex-end;
    gap: 8px 10px;
    line-height: 1.2;
}

.produkt-preis-original {
    font-size: 1rem;
    font-weight: 600;
    color: #888;
    text-decoration: line-through;
}

.produkt-preis-end {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.produkt-preis-end.produkt-preis-einzeln {
    font-size: 1.25rem;
}

.produkt-ersparnis {
    margin-top: 6px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: #b8860b;
}

.produkt-ersparnis-leer {
    min-height: 1.25em;
    margin-top: 6px;
}

.produkt-preis {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.btn-produkt-buchen {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 10px 20px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-produkt-buchen:hover {
    background: var(--primary-color-dark, #0056b3);
    transform: scale(1.05);
}

.btn-produkt-buchen:active {
    transform: scale(0.98);
}

.result-box {
    background: #e8f5e9;
    border: 2px solid #4caf50;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
}

.result-box h3 {
    color: #2e7d32;
    margin: 0 0 15px 0;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.result-box p {
    margin: 8px 0;
    color: #333;
}

/* Responsive für kleine Bildschirme */
@media (max-width: 480px) {
    .produkt-karte {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .produkt-preis-aktion {
        width: 100%;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

/* ==========================================
   APP-SHELL STRUCTURE
   ========================================== */

/* App Layout mit Header, Content, Footer */
#app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
}

/* ==========================================
   APP HEADER
   ========================================== */
#app-header {
    height: 60px;
    background-color: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: var(--header-text-ausrichtung, space-between);
    padding: 0 10px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
}

/* Verschiebt alle direkten Kinder des Headers vertikal */
#app-header > * {
    transform: translateY(var(--header-text-abstand-oben, 0px));
}

.header-btn {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s;
}

.header-btn:hover {
    opacity: 0.8;
}

#header-logo {
    max-height: 40px;
    margin: 0 10px;
}

#header-title {
    flex: 1;
    font-size: 1.125rem;
    font-weight: bold;
    text-align: left;
}

/* ==========================================
   APP CONTENT
   ========================================== */
#app-content {
    flex: 1;
    /* --header-hoehe kommt aus design.css; 60px nur Fallback ohne Design */
    margin-top: calc(var(--header-hoehe, 60px) + env(safe-area-inset-top, 0px) + var(--content-start-offset, 0px));
    margin-bottom: 50px;
    /* grosszuegiges Padding unten, damit die letzte Kachel am iPhone ueber
       Safari-Leiste/Home-Indicator hinaus scrollbar/erreichbar bleibt */
    padding: 15px 15px calc(340px + env(safe-area-inset-bottom));
    overflow-y: auto;
    overflow-x: hidden;
    overscroll-behavior-y: contain;
    background: transparent;
    position: relative;
    z-index: 1;
}

/* ==========================================
   APP FOOTER
   ========================================== */
#app-footer {
    height: 50px;
    background-color: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: flex-end;
    justify-content: var(--footer-text-ausrichtung, center);
    gap: 16px;
    padding: 0 12px var(--footer-text-abstand-unten, 0px) 12px;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;
    cursor: pointer;
}

.footer-link {
    font-size: 0.75rem;
    cursor: pointer;
    padding: 5px 10px;
    transition: opacity 0.2s;
}

.footer-link:hover {
    opacity: 0.8;
    text-decoration: underline;
}

/* ==========================================
   SIDEBAR MENU
   ========================================== */
#sidebar-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 70%;
    max-width: 300px;
    height: 100%;
    background-color: var(--white);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
    z-index: 100;
    transition: transform 0.3s ease;
}

#sidebar-menu.closed {
    transform: translateX(-100%);
}

#sidebar-menu.open {
    transform: translateX(0);
}

#menu-header {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 15px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

#menu-title {
    font-size: 1.125rem;
    font-weight: bold;
}

.menu-close-btn {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
}

#menu-content {
    background-color: #f8f9fa;
    height: calc(100% - 60px);
    overflow-y: auto;
    padding: 10px;
}

.menu-item {
    background-color: var(--kunde-schwarz);
    color: var(--kunde-text-hell);
    border: 2px solid var(--kunde-gelb);
    padding: 15px;
    margin-bottom: 8px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    transition: background-color 0.2s, transform 0.1s;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Weisse Schrift gegen das generierte design.css durchsetzen (hoehere Spezifitaet) */
#menu-content .menu-item {
    color: var(--kunde-text-hell);
}

.menu-item:hover {
    background-color: var(--kunde-flaeche);
    transform: translateX(5px);
}

.menu-item:active {
    transform: translateX(5px) scale(0.98);
}

.menu-item i {
    font-size: 1.25rem;
    color: var(--kunde-gelb);
    width: 24px;
    text-align: center;
}

.menu-item-danger {
    border-top: 2px solid var(--kunde-gelb);
    margin-top: 10px;
}

.menu-item-danger i {
    color: var(--danger-color);
}

/* Sidebar Backdrop */
#sidebar-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 90;
    transition: opacity 0.3s ease;
}

/* ==========================================
   ABMELDEN-BESTAETIGUNG (Modal statt confirm)
   ========================================== */
.abmelden-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
}

.abmelden-modal {
    width: 100%;
    max-width: 360px;
    background-color: var(--kunde-schwarz);
    color: var(--kunde-text-hell);
    border: 2px solid var(--kunde-gelb);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.55);
}

.abmelden-modal-icon {
    font-size: 2.25rem;
    color: var(--kunde-gelb);
    margin-bottom: 12px;
}

.abmelden-modal-titel {
    color: var(--kunde-gelb);
    margin: 0 0 8px;
    font-size: 1.25rem;
}

.abmelden-modal-text {
    color: var(--kunde-text-hell);
    margin: 0 0 20px;
    font-size: 0.9375rem;
}

.abmelden-modal-buttons {
    display: flex;
    gap: 12px;
}

.abmelden-btn {
    flex: 1;
    padding: 12px;
    border-radius: 8px;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid var(--kunde-gelb);
}

.abmelden-btn-abbrechen {
    background-color: transparent;
    color: var(--kunde-text-hell);
}

.abmelden-btn-bestaetigen {
    background-color: var(--kunde-gelb);
    color: var(--kunde-schwarz);
}

#sidebar-backdrop.hidden {
    display: none;
}

/* ==========================================
   ICON-KACHELN (Dashboard)
   ========================================== */
.icon-kacheln-container {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.icon-kachel {
    flex: 1;
    background-color: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px 15px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.icon-kachel:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.icon-kachel:active {
    transform: translateY(-2px);
}

.icon-kachel-icon {
    font-size: 2.25rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    display: block;
}

.icon-kachel-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-color);
}

/* ==========================================
   INFO-KACHELN (klein, nebeneinander)
   ========================================== */
.info-kacheln-container {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.info-kachel {
    flex: 1;
    background-color: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    min-height: 80px;
}

.info-kachel-icon {
    font-size: 1.75rem;
    color: var(--primary-color);
    width: 40px;
    text-align: center;
    flex-shrink: 0;
}

.info-kachel-content {
    flex: 1;
    min-width: 0;
}

.info-kachel-label {
    font-size: 0.6875rem;
    font-weight: 600;
    color: #666;
    text-transform: uppercase;
    margin-bottom: 4px;
}

.info-kachel-wert {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.info-kachel-zusatz {
    font-size: 0.75rem;
    color: #666;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.info-kachel-wert-gross {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--secondary-color);
}

/* ==========================================
   DASHBOARD - NEUES LAYOUT
   ========================================== */

.dashboard-top-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 12px;
}

.dashboard-kachel {
    background-color: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 14px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.12);
    overflow: hidden;
}

/* Linke große Kachel: Profil */
.dashboard-profil-kachel {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 12px;
    gap: 8px;
}

.dashboard-profil-piktogramm {
    font-size: 3.25rem;
    color: var(--primary-color);
    line-height: 1;
}

.dashboard-profil-name {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--text-color);
    text-align: center;
    word-break: break-word;
}

.dashboard-profil-kartennummer {
    font-size: 0.6875rem;
    color: #888;
    text-align: center;
    width: 100%;
    overflow-wrap: anywhere;
}

/* Rechte kleine Kachel: Kundenkarte */
.dashboard-karte-kachel {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 12px 8px;
    gap: 6px;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    position: relative;
}

.dashboard-karte-kachel:active {
    transform: scale(0.97);
}

.dashboard-karte-kachel::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    border: 2px solid transparent;
    transition: border-color 0.2s;
}

.dashboard-karte-kachel:hover::after {
    border-color: var(--primary-color);
}

.dashboard-karte-titel {
    font-size: 0.6875rem;
    font-weight: 700;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dashboard-karte-qr {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.dashboard-karte-qr img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.dashboard-karte-guthaben {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--secondary-color);
}

/* Spinner klein */
.spinner-klein {
    width: 24px;
    height: 24px;
    border: 3px solid #e0e0e0;
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Untere Begrüßungskachel */
.dashboard-begruessung-kachel {
    padding: 20px 18px;
    margin-bottom: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.dashboard-begruessung-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.dashboard-begruessung-hallo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-color);
}

.dashboard-begruessung-sub {
    font-size: 0.875rem;
    color: var(--text-color);
}

.dashboard-letzter-besuch {
    font-size: 0.8125rem;
    color: #888;
    font-style: italic;
}

/* Letzter Bon im Dashboard */
.dashboard-letzter-bon {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.dashboard-letzter-bon-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
    margin-bottom: 10px;
}

.dashboard-bon-datum {
    font-size: 0.75rem;
    color: #888;
}

.dashboard-bon-betrag {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.dashboard-bon-artikel {
    font-size: 0.75rem;
    color: var(--text-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* QR-Code Vollbild-Modal */
.qr-vollbild-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    z-index: 9000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.qr-vollbild-overlay.aktiv {
    opacity: 1;
    pointer-events: all;
}

.qr-vollbild-modal {
    background: var(--white);
    border-radius: 18px;
    padding: 28px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    max-width: 360px;
    width: 90%;
    position: relative;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.qr-vollbild-schliessen {
    position: absolute;
    top: 12px;
    right: 14px;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: #888;
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
}

.qr-vollbild-titel {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-top: 8px;
}

.qr-vollbild-container {
    width: 300px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qr-vollbild-container img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.qr-vollbild-timer {
    font-size: 0.8125rem;
    color: #888;
}

.qr-vollbild-kartennummer {
    font-size: 0.75rem;
    color: #aaa;
}

/* ==========================================
   CONTENT-KACHEL (Hauptinhalt)
   ========================================== */
.content-kachel {
    background-color: var(--white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.daten-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.daten-kartennummer {
    font-size: 0.875rem;
    color: var(--kunde-text-hell);
    font-weight: 600;
    background-color: rgba(18, 37, 60, 0.1);
    padding: 6px 12px;
    border-radius: 6px;
}

.content-titel {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.content-text {
    font-size: 0.875rem;
    color: var(--text-color);
    line-height: 1.6;
    margin-bottom: 15px;
}

.content-text p {
    margin-bottom: 10px;
}

/* ==========================================
   WASCH-FLATRATE: Texte folgen der Design-Textfarbe
   (sonst dunkle Schrift auf dunkler Kachel = unsichtbar)
   ========================================== */
#flatrateBuchung,
#flatrateBuchung .form-label,
#flatrateBuchung label,
#flatrateBuchung h4 {
    color: var(--content-text-farbe);
}

.flatrate-buchung-titel {
    margin: 4px 0 12px;
    font-weight: 700;
}

/* Tarif-Kachel hat festen weissen Hintergrund (.produkt-karte) -> Text immer schwarz */
#flatrateTarife .flatrate-tarif-karte {
    display: block;
    padding: 16px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    margin-bottom: 12px;
    color: #111111;
}

#flatrateTarife .flatrate-tarif-name {
    color: #111111;
    font-weight: 700;
    font-size: 1.0625rem;
}

#flatrateTarife .flatrate-tarif-beschreibung {
    color: #333333;
    font-size: 0.875rem;
    margin: 4px 0;
}

#flatrateTarife .flatrate-tarif-preis {
    color: #111111;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 8px 0;
}

#flatrateTarife .flatrate-tarif-zyklus,
#flatrateTarife .flatrate-tarif-laufzeit {
    color: #333333;
    font-size: 0.8125rem;
    font-weight: 400;
}

#flatrateTarife .flatrate-tarif-laufzeit {
    margin-bottom: 10px;
}

#flatrateBuchung .flatrate-sepa-text {
    color: var(--content-text-farbe);
    font-size: 0.75rem;
    margin: 12px 0;
    max-height: 160px;
    overflow-y: auto;
    border: 1px solid var(--content-rand-farbe);
    padding: 10px;
    border-radius: 8px;
    opacity: 0.9;
}

#flatrateBuchung .flatrate-check {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-top: 10px;
    font-size: 0.8125rem;
    color: var(--content-text-farbe);
}

#flatrateBuchung .flatrate-check input {
    margin-top: 2px;
    flex-shrink: 0;
}

#flatrateBuchung .flatrate-kz-input {
    text-transform: uppercase;
}

#flatrateBuchung .flatrate-kz-hinweis {
    display: block;
    margin-top: 4px;
    font-size: 0.75rem;
    color: var(--content-text-farbe);
    opacity: 0.8;
}

#flatrateBuchung .flatrate-kz-fehlt {
    margin-top: 4px;
    padding: 10px;
    border: 1px solid var(--content-rand-farbe);
    border-radius: 8px;
    font-size: 0.8125rem;
    color: var(--content-text-farbe);
}

/* ==========================================
   BALANCE / GUTHABEN ANZEIGE
   ========================================== */
.balance-info {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    margin-top: 15px;
}

.balance-label {
    font-size: 0.75rem;
    color: #666;
    margin-bottom: 8px;
    text-transform: uppercase;
    font-weight: 600;
}

.balance-display {
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.balance-display-large {
    font-size: 3rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.guthaben-anzeige {
    background: linear-gradient(135deg, var(--kunde-schwarz), var(--kunde-flaeche));
    border: 1px solid var(--kunde-gelb);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    margin-bottom: 20px;
}

.guthaben-anzeige .balance-label {
    color: var(--kunde-text-grau);
    font-size: 0.875rem;
}

.guthaben-anzeige .balance-display-large {
    color: var(--kunde-gelb);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* ==========================================
   DATEN-LISTE (Meine Daten)
   ========================================== */
.daten-form {
    margin-top: 20px;
}

/* "Daten speichern"-Button im Login-Stil (gelb auf schwarz) */
.daten-form .btn-primary {
    background-color: var(--kunde-gelb);
    color: var(--kunde-schwarz);
}

.daten-form .btn-primary:hover {
    background-color: var(--kunde-gelb-dunkel);
}

.daten-liste {
    margin-bottom: 20px;
}

.daten-eintrag {
    display: flex;
    flex-direction: column;
    padding: 12px 0;
}

.daten-label {
    font-weight: 600;
    color: var(--kunde-text-hell);
    margin-bottom: 5px;
    font-size: 0.875rem;
}

.daten-kennzeichen-hinweis {
    display: block;
    margin-top: 5px;
    font-size: 0.75rem;
    color: var(--kunde-gelb);
}

/* Modal: Kennzeichen-Wechselsperre */
.kz-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 10050;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    background: rgba(0, 0, 0, 0.6);
}

.kz-modal-overlay.hidden {
    display: none;
}

.kz-modal {
    width: 100%;
    max-width: 360px;
    background: #fff;
    border-radius: 14px;
    padding: 24px 20px;
    text-align: center;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.kz-modal-icon {
    font-size: 2.5rem;
    color: var(--kunde-gelb);
    margin-bottom: 10px;
}

.kz-modal-titel {
    margin: 0 0 10px;
    color: #1a1a1a;
    font-size: 1.125rem;
}

.kz-modal-text {
    margin: 0 0 18px;
    color: #444;
    font-size: 0.875rem;
    line-height: 1.5;
}

/* .daten-form als Praefix => hoehere Spezifitaet als die design.css-Regel
   input[type="text"|"email"...]. Nur so sehen ALLE Felder (Text, E-Mail,
   Tel und auch <select>) identisch aus. */
.daten-form .daten-input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--kunde-gelb);
    border-radius: 6px;
    font-size: 0.875rem;
    background-color: var(--kunde-flaeche);
    color: var(--kunde-text-hell);
    border-color: var(--kunde-gelb);
}

.daten-form .daten-input:focus {
    outline: none;
    border-color: var(--kunde-gelb);
    box-shadow: 0 0 0 3px rgba(255, 210, 0, 0.15);
}

.daten-form .daten-input::placeholder {
    color: rgba(245, 245, 245, 0.4);
}

/* Browser-Autofill (Chrome/Android) auf das dunkle Theme zwingen.
   !important ist hier technisch unvermeidbar, da der UA-Autofill-Stil
   sonst Hintergrund/Schriftfarbe ueberschreibt. */
.daten-input:-webkit-autofill,
.daten-input:-webkit-autofill:hover,
.daten-input:-webkit-autofill:focus,
.daten-input:-webkit-autofill:active {
    -webkit-text-fill-color: var(--kunde-text-hell) !important;
    -webkit-box-shadow: 0 0 0 1000px var(--kunde-flaeche) inset !important;
    border: 1px solid var(--kunde-gelb) !important;
    caret-color: var(--kunde-text-hell);
    transition: background-color 9999s ease-in-out 0s;
}

.daten-wert {
    color: var(--text-color);
    text-align: right;
}

.success-message {
    background-color: #c8e6c9;
    border-left: 4px solid #2e7d32;
    padding: 12px;
    border-radius: 6px;
    color: #1b5e20;
    margin-bottom: 15px;
    font-size: 0.875rem;
}

/* ==========================================
   INFO-BOX
   ========================================== */
.info-box {
    background-color: var(--kunde-flaeche);
    border-left: 4px solid var(--kunde-gelb);
    padding: 15px;
    border-radius: 8px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-top: 15px;
}

.info-box i {
    font-size: 1.25rem;
    color: var(--kunde-gelb);
    margin-top: 2px;
}

.info-box p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--kunde-text-hell);
}

.info-box div {
    flex: 1;
}

/* ==========================================
   HILFE / FAQ (Schwarz/Gelb-Theme)
   ========================================== */
.hilfe-bereich {
    margin-bottom: 20px;
}

.hilfe-bereich h4 {
    font-size: 1.125rem;
    color: var(--kunde-gelb);
    margin-bottom: 15px;
}

.faq-item {
    background-color: var(--kunde-flaeche);
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 15px;
    border: 1px solid var(--kunde-rand);
}

.faq-item strong {
    display: block;
    color: var(--kunde-gelb);
    margin-bottom: 8px;
    font-size: 0.9375rem;
}

.faq-item p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--kunde-text-hell);
    line-height: 1.5;
}

/* ==========================================
   HILFE-AKTIONSBOXEN (Push / Update / Version)
   ========================================== */
.hilfe-box {
    margin-top: 20px;
    padding: 15px;
    background-color: var(--kunde-flaeche);
    border: 1px solid var(--kunde-gelb);
    border-radius: 8px;
}

.hilfe-box h4 {
    margin-top: 0;
    color: var(--kunde-gelb);
}

.hilfe-box p {
    margin-bottom: 15px;
    font-size: 0.875rem;
    color: var(--kunde-text-hell);
}

.hilfe-box .btn-primary {
    width: 100%;
    background-color: var(--kunde-gelb);
    color: var(--kunde-schwarz);
}

.hilfe-box .btn-primary:hover {
    background-color: var(--kunde-gelb-dunkel);
}

.hilfe-status {
    margin-bottom: 15px;
    padding: 10px;
    background-color: var(--kunde-schwarz);
    border-radius: 6px;
    font-size: 0.8125rem;
    color: var(--kunde-text-hell);
}

.hilfe-status-zeile {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hilfe-status-icon {
    font-size: 0.625rem;
    color: var(--kunde-text-grau);
}

.hilfe-status-meldung {
    margin-top: 10px;
    font-size: 0.8125rem;
    text-align: center;
    color: var(--kunde-text-hell);
}

.app-version-info {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--kunde-rand);
    text-align: center;
    color: var(--kunde-text-grau);
    font-size: 0.875rem;
}

/* ==========================================
   QR-CODE SPEZIFISCH
   ========================================== */
.qr-code-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 8px;
    margin: 20px 0;
    /* ✅ KRITISCH: Feste Größe für perfektes Quadrat */
    width: 320px !important;
    height: 320px !important;
    max-width: 320px !important;
    max-height: 320px !important;
    /* ✅ Sanfte Überblendung beim QR-Code Update */
    opacity: 1;
    transition: opacity 0.3s ease-in-out;
    /* ✅ Container selbst zentrieren */
    margin-left: auto !important;
    margin-right: auto !important;
}

.qr-code-container img {
    /* ✅ KRITISCH: Erzwingt quadratisches Format */
    width: 280px !important;
    height: 280px !important;
    max-width: 280px !important;
    max-height: 280px !important;
    min-width: 280px !important;
    min-height: 280px !important;
    aspect-ratio: 1 / 1 !important;
    object-fit: contain !important;
    display: block !important;
    margin: 0 auto !important;
}

.qr-info {
    text-align: center;
    margin-top: 15px;
}

.qr-timer {
    font-size: 0.875rem;
    color: var(--text-color);
    margin-bottom: 5px;
    font-weight: 600;
}

.qr-timer.warning {
    color: var(--danger-color);
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

.qr-card-number {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary-color);
}

/* ==========================================
   LOGIN PAGE (ohne App-Shell)
   ========================================== */
/* ==========================================
   KUNDEN-DESIGN (zentrales Farbschema der Kunden-App)
   Diese --kunde-* Tokens gelten APP-WEIT: Login, Registrierung, 2FA,
   QR-Login sowie App-Shell-Seiten (z.B. Guthaben/PayPal).
   Die hier gesetzten Werte sind DEFAULTS (Fallback). Der App-Designer
   ueberschreibt sie zentral ueber design.css (aus der DB, app_design),
   da design.css NACH app.css geladen wird.
   ========================================== */
:root {
    --kunde-schwarz: #0d0d0d;
    --kunde-schwarz-tief: #000000;
    --kunde-flaeche: #1a1a1a;
    --kunde-gelb: #FFD200;
    --kunde-gelb-dunkel: #e6bd00;
    --kunde-text-hell: #f5f5f5;
    --kunde-text-grau: rgba(245, 245, 245, 0.65);
    --kunde-rand: rgba(255, 210, 0, 0.30);
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
    background: var(--kunde-schwarz-tief);
}

.login-container--scroll {
    align-items: flex-start;
    /* WARUM: #app ist column-flex und wuerde den Container sonst auf 100vh schrumpfen
       (flex-shrink:1), wodurch die Kachel ueberlaeuft und das Padding unten nicht
       scrollbar ist. flex-shrink:0 -> Container waechst auf volle Inhaltshoehe. */
    flex-shrink: 0;
    /* Grosszuegiges Scroll-Padding unter der Kachel, damit am iPhone (Safari-Leiste +
       Home-Indicator) auch das letzte Formularfeld erreichbar bleibt. */
    padding: 20px 20px calc(260px + env(safe-area-inset-bottom));
}

/* Start-/Login-Wahl-Screen: etwas Luft unter der Kachel */
.login-container--wahl {
    padding-bottom: calc(70px + env(safe-area-inset-bottom));
}

.login-card {
    width: 100%;
    max-width: 400px;
    background-color: var(--kunde-schwarz);
    color: var(--kunde-text-hell);
    /* scoped: dezente Hinweis-Texte (z.B. Onboarding) auf Schwarz lesbar halten */
    --text-muted: rgba(245, 245, 245, 0.55);
    border: 2px solid var(--kunde-gelb);
    border-radius: 10px;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.55);
    padding: 30px;
}

.login-card h1 {
    color: var(--kunde-gelb);
    margin-bottom: 10px;
    font-size: 1.75rem;
    text-align: center;
}

.login-card .subtitle {
    color: var(--kunde-text-grau);
    font-size: 0.875rem;
    margin-bottom: 20px;
    text-align: center;
}

.login-card .logo {
    text-align: center;
    margin-bottom: 30px;
}

.login-card .logo img {
    max-width: 150px;
}

.login-card label,
.login-card .form-label {
    color: var(--kunde-text-hell) !important;
    font-weight: 600;
    display: block;
    margin-bottom: 5px;
}

/* Eingabefelder im Login-Flow: dunkel mit gelbem Fokus */
.login-card .form-control,
.login-card input[type="text"],
.login-card input[type="email"],
.login-card input[type="password"],
.login-card input[type="tel"],
.login-card select,
.login-card textarea {
    background-color: var(--kunde-flaeche);
    color: var(--kunde-text-hell);
    border: 1px solid var(--kunde-rand);
}

.login-card .form-control:focus,
.login-card select:focus,
.login-card textarea:focus {
    border-color: var(--kunde-gelb);
    box-shadow: 0 0 0 3px rgba(255, 210, 0, 0.15);
    outline: none;
}

.login-card .form-control::placeholder {
    color: rgba(245, 245, 245, 0.4);
}

.login-card hr {
    border-color: var(--kunde-rand);
}

/* CTA-Buttons im Login-Flow: gelb mit schwarzer Schrift */
.login-card .btn-primary {
    background-color: var(--kunde-gelb);
    color: var(--kunde-schwarz);
}

.login-card .btn-primary:hover {
    background-color: var(--kunde-gelb-dunkel);
}

.login-card .btn-link {
    color: var(--kunde-gelb);
    background: transparent;
}

/* ==========================================
   LOGIN WAHL-STARTSEITE (3 Kacheln)
   ========================================== */
.login-wahl-card {
    width: 100%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.login-wahl-kacheln {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 0;
}

.login-kachel {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--kunde-flaeche);
    border: 1px solid var(--kunde-rand);
    border-radius: 14px;
    padding: 18px 16px;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
    transition: background 0.15s ease;
    text-decoration: none;
}

.login-kachel:last-child {
    border-radius: 14px;
}

.login-kachel:hover,
.login-kachel:active {
    background: #262626;
    transform: none;
    box-shadow: none;
}

.login-kachel-icon {
    width: 48px;
    height: 48px;
    background: var(--kunde-gelb);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--kunde-schwarz);
    flex-shrink: 0;
}

.login-kachel-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.login-kachel-text strong {
    color: var(--kunde-text-hell);
    font-size: 1rem;
    font-weight: 700;
}

.login-kachel-text span {
    color: var(--kunde-text-grau);
    font-size: 0.75rem;
}

.login-kachel-pfeil {
    color: var(--kunde-gelb);
    font-size: 0.875rem;
    flex-shrink: 0;
}

.login-kachel--logo {
    cursor: default;
    pointer-events: none;
}

.login-kachel--logo:hover,
.login-kachel--logo:active {
    transform: none;
    box-shadow: 0 4px 16px rgba(18, 37, 60, 0.3);
}

.login-wahl-logo {
    height: 36px;
    width: auto;
    object-fit: contain;
    filter: brightness(0) invert(1);
    flex-shrink: 0;
}

.login-wahl-header-card {
    text-align: center;
    padding: 28px 24px 20px;
    border-radius: 14px !important;
}

.login-wahl-logo-gross {
    max-width: 160px;
    height: auto;
    display: block;
    margin: 0 auto 10px;
}

.login-wahl-logo-gross {
    max-width: 160px;
    height: auto;
    display: block;
    margin: 0 auto 10px;
}

.login-wahl-card .login-wahl-kacheln {
    margin-top: 0;
}

.login-wahl-card .login-kachel:first-child {
    border-radius: 0;
}

.login-wahl-card .login-kachel:last-child {
    border-radius: 0 0 14px 14px;
}

/* ==========================================
   LOGIN ZUGANGSDATEN UNTERSEITE
   ========================================== */
.login-zurueck {
    color: var(--kunde-gelb);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0 0 20px 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    opacity: 0.8;
    transition: opacity 0.15s;
}

.login-zurueck:hover {
    opacity: 1;
}

.login-passwort-vergessen-link {
    text-align: center;
    margin-top: 16px;
    color: var(--kunde-gelb);
    font-size: 0.8125rem;
    font-weight: 600;
    cursor: pointer;
    opacity: 0.75;
    transition: opacity 0.15s;
}

.login-passwort-vergessen-link:hover {
    opacity: 1;
}

/* ==========================================
   LOGIN SEKTIONEN (veraltet, aber für 2FA etc. noch aktiv)
   ========================================== */
.login-sektion {
    background: var(--primary-color);
    border-radius: 10px;
    margin-bottom: 14px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(18, 37, 60, 0.25);
}

.login-sektion--klickbar {
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.login-sektion--klickbar:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(18, 37, 60, 0.35);
}

.login-sektion-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    background: var(--primary-color);
    color: #fff;
    font-weight: 700;
    font-size: 0.9375rem;
}

.login-sektion-header i {
    font-size: 1rem;
    opacity: 0.9;
    width: 18px;
    text-align: center;
}

.login-sektion-body {
    background: #f0f1eb;
    padding: 16px;
}

.login-sektion-body--beschreibung p {
    color: #444;
    font-size: 0.8125rem;
    margin-bottom: 12px;
    line-height: 1.5;
}

.login-hinweis {
    background: rgba(255, 210, 0, 0.08);
    border-radius: 6px;
    padding: 8px 12px;
    font-size: 0.75rem;
    color: var(--kunde-text-grau);
    margin-bottom: 12px;
}

/* ==========================================
   2FA PAGE
   ========================================== */
.twofa-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.twofa-container .login-card p {
    color: var(--kunde-text-hell);
}

.twofa-code-input {
    font-size: 1.5rem;
    text-align: center;
    letter-spacing: 10px;
    font-weight: 600;
}

.trust-device {
    display: flex;
    align-items: center;
    margin-top: 15px;
}

.trust-device label {
    color: #333333 !important;
}

.trust-device input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-right: 10px;
}

/* ==========================================
   ERROR MESSAGES
   ========================================== */
.error-message {
    background-color: #f8d7da;
    color: #721c24;
    padding: 12px;
    border-radius: 5px;
    margin-bottom: 15px;
    border: 1px solid #f5c6cb;
}

.success-message {
    background-color: #d4edda;
    color: #155724;
    padding: 12px;
    border-radius: 5px;
    margin-bottom: 15px;
    border: 1px solid #c3e6cb;
}

.error {
    color: var(--danger-color);
    padding: 20px;
    text-align: center;
    font-weight: 600;
}

/* ==========================================
   UPDATE NOTIFICATION
   ========================================== */
.update-notification {
    position: fixed;
    bottom: 70px; /* Über dem Footer */
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: var(--white);
    padding: 15px 25px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 15px;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        transform: translateX(-50%) translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
}

.update-notification button {
    background-color: var(--accent-color);
    color: var(--primary-color);
    border: none;
    padding: 8px 16px;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

.update-notification button:hover {
    opacity: 0.9;
}

.update-notification .dismiss-btn {
    background-color: transparent;
    color: var(--white);
    border: 1px solid var(--white);
}

/* ==========================================
   APP VERSION
   ========================================== */
.app-version {
    text-align: center;
    margin-top: 20px;
    font-size: 0.75rem;
    color: #999;
    font-weight: 500;
}

/* ==========================================
   INSTALL PROMPT
   ========================================== */
.install-prompt {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    text-align: center;
}

.install-prompt p {
    margin-bottom: 15px;
    font-size: 1rem;
}

.install-prompt button {
    margin: 5px;
}

/* ==========================================
   MEINE BESUCHE / TRANSAKTIONSLISTE
   ========================================== */
.besuche-liste {
    margin-top: 20px;
}

.besuch-eintrag {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    margin-bottom: 12px;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    overflow: visible !important;
    min-height: auto !important;
    height: auto !important;
}

.besuch-eintrag:hover {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
    border-color: var(--primary-color);
}

.besuch-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.besuch-datum {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-color);
}

.besuch-datum i {
    color: var(--primary-color);
}

.besuch-betrag {
    font-size: 1.125rem;
    font-weight: bold;
    color: var(--text-color);
}

.besuch-details {
    margin-bottom: 8px;
}

/* ✅ Artikel-Liste in Meine Belege */
.besuch-artikel {
    margin-top: 10px;
    padding: 10px;
    background-color: #f5f5f5;
    border-radius: 8px;
    font-size: 0.8125rem;
}

.besuch-artikel strong {
    color: var(--text-color);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.artikel-zeile {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
    border-bottom: 1px solid #e0e0e0;
}

.artikel-zeile:last-child {
    border-bottom: none;
}

.artikel-preis {
    font-weight: 600;
    color: var(--primary-color);
}

.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    background-color: #e0e0e0;
    color: var(--text-color);
}

.status-badge.status-success {
    background-color: #c8e6c9;
    color: #2e7d32;
}

/* Container für beide Aktions-Buttons */
.besuch-aktionen {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 6px;
    margin-top: 10px;
    margin-bottom: 10px;
    width: 100%;
    clear: both;
}

.besuch-aktion {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: var(--primary-color);
    font-size: 0.6875rem;
    font-weight: 500;
    padding: 8px 4px;
    border-radius: 6px;
    background-color: #f0f9ff;
    border: 1px solid #e0f2fe;
    white-space: nowrap;
    flex: 1;
    min-height: 36px;
    cursor: pointer;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
    touch-action: manipulation;
}

.besuch-aktion i {
    font-size: 0.875rem;
}

/* Anzeigen-Button */
.besuch-aktion-anzeigen {
    /* Links */
}

/* Teilen-Button - rechts */
.besuch-aktion-teilen {
    background-color: #f0fdf4;
    border-color: #dcfce7;
    color: #16a34a;
}

.besuch-aktion:active {
    opacity: 0.7;
}

/* Desktop: Etwas mehr Platz */
@media (min-width: 768px) {
    .besuch-aktionen {
        gap: 10px;
    }
    
    .besuch-aktion {
        padding: 10px 8px;
        font-size: 0.8125rem;
        gap: 6px;
    }
    
    .besuch-aktion i {
        font-size: 1rem;
    }
}

/* PDF Overlay */
.pdf-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100vw;
    height: 100vh;
    background-color: #f5f5f5;
    z-index: 99999;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.pdf-overlay.hidden {
    display: none;
}

.pdf-header {
    height: 55px;
    min-height: 55px;
    width: 100%;
    background-color: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 15px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    flex-shrink: 0;
    box-sizing: border-box;
}

.pdf-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 500;
    flex: 1;
}

.pdf-close-btn {
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.625rem;
    cursor: pointer;
    padding: 8px 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.2s;
    margin-left: 10px;
    flex-shrink: 0;
}

.pdf-close-btn:hover,
.pdf-close-btn:active {
    opacity: 0.8;
}

.pdf-content {
    flex: 1;
    padding: 0;
    margin: 0;
    overflow: auto;
    background-color: #ffffff;
    position: relative;
    width: 100%;
    box-sizing: border-box;
    -webkit-overflow-scrolling: touch;
}

.pdf-content iframe,
.pdf-content embed {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    min-width: 100%;
    height: auto;
    min-height: 150vh;
    border: none;
    display: block;
    -webkit-overflow-scrolling: touch;
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    gap: 8px;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-full {
    width: 100%;
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 768px) {
    #app-content {
        margin-top: calc(60px + var(--content-start-offset, 0px));
        margin-bottom: 50px;
        padding: 10px 10px calc(340px + env(safe-area-inset-bottom));
    }
    
    /* ✅ KRITISCH: QR-Code auch auf Mobile quadratisch erzwingen */
    .qr-code-container {
        width: 320px !important;
        height: 320px !important;
        max-width: 100% !important;
        max-height: 320px !important;
        min-width: 280px !important;
        min-height: 320px !important;
    }
    
    .qr-code-container img {
        width: 280px !important;
        height: 280px !important;
        max-width: 280px !important;
        max-height: 280px !important;
        min-width: 280px !important;
        min-height: 280px !important;
        aspect-ratio: 1 / 1 !important;
        object-fit: contain !important;
    }
    
    .icon-kacheln-container {
        gap: 10px;
    }
    
    .icon-kachel {
        padding: 15px 10px;
    }
    
    .icon-kachel-icon {
        font-size: 1.875rem;
    }
    
    .icon-kachel-text {
        font-size: 0.75rem;
    }
    
    .info-kacheln-container {
        gap: 10px;
    }
    
    .info-kachel {
        padding: 12px;
    }
    
    .info-kachel-icon {
        font-size: 1.5rem;
        width: 35px;
    }
    
    .info-kachel-label {
        font-size: 0.625rem;
    }
    
    .info-kachel-wert {
        font-size: 0.875rem;
    }
    
    .info-kachel-zusatz {
        font-size: 0.6875rem;
    }
    
    .info-kachel-wert-gross {
        font-size: 1.125rem;
    }
    
    .content-kachel {
        padding: 15px;
    }
    
    .content-titel {
        font-size: 1.125rem;
    }
    
    #sidebar-menu {
        width: 80%;
    }
}

@media (max-width: 480px) {
    #header-title {
        font-size: 1rem;
    }
    
    /* ✅ KRITISCH: QR-Code auch auf kleinen Mobiles quadratisch */
    .qr-code-container {
        width: 300px !important;
        height: 300px !important;
        max-width: calc(100vw - 40px) !important;
        max-height: 300px !important;
    }
    
    .qr-code-container img {
        width: 260px !important;
        height: 260px !important;
        max-width: calc(100vw - 80px) !important;
        max-height: 260px !important;
        aspect-ratio: 1 / 1 !important;
        object-fit: contain !important;
    }
    
    .footer-link {
        font-size: 0.6875rem;
    }
    
    .balance-display-large {
        font-size: 2.25rem;
    }
    
    .besuch-eintrag {
        padding: 12px;
    }
    
    .besuch-datum {
        font-size: 0.8125rem;
    }
    
    .besuch-betrag {
        font-size: 1rem;
    }
    
    .pdf-header {
        height: 50px;
        min-height: 50px;
        padding: 0 10px;
    }
    
    .pdf-header h3 {
        font-size: 0.9375rem;
    }
    
    .pdf-close-btn {
        font-size: 1.5rem;
        padding: 6px 10px;
    }
    
    /* PDF Vollbild auf Mobilgeräten */
    .pdf-overlay {
        background-color: #f5f5f5;
    }
    
    .pdf-content {
        background-color: #ffffff;
    }
    
    /* iOS Safari PDF Fix - Größer */
    .pdf-content iframe,
    .pdf-content embed {
        width: 100%;
        min-width: 100%;
        height: auto;
        min-height: 150vh;
    }
}

/* iOS/Safari spezifische Fixes */
@supports (-webkit-touch-callout: none) {
    .pdf-content {
        -webkit-overflow-scrolling: touch;
        overflow: auto;
    }
    
    .pdf-content iframe,
    .pdf-content embed {
        width: 100%;
        min-width: 100%;
        height: auto;
        min-height: 150vh;
        transform: translateZ(0);
        -webkit-transform: translateZ(0);
    }
}