@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    color: #fff;
    background: #0d0e0d;
    overflow: hidden;
}

html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 10px 20px;
    /* background: rgb(179, 6, 248); */
    background: transparent;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
}

.logo {
    font-size: 32px;
    color: #fff;
    text-decoration: none;
    font-weight: 700;
    filter: drop-shadow(0 0 5px #0d0e0d);
}

.navbar a {
    font-size: 18px;
    color: white;
    text-decoration: none;
    font-weight: 500;
    margin-left: 35px;
}



.navbar a:hover {
    color: #f1c40f;
    text-decoration: underline;
}

.main {
    position: relative;
    overflow: hidden;
}

.main.active {
    filter: blur(5px);
    pointer-events: none;
}

.container {
    display: flex; 
    height: 100vh;
    width: 100%;
}

.main::before {
    content: "";
    width: 100%;
    height: 100%;
    background-image: url('Bilder/Coliseum.jpg');
    background-size: cover;
    background-position: center;
    pointer-events: auto;
    position: fixed;
    top: 0;
    /* right: 0;
    bottom: 0; */
    left: 0;
    filter: brightness(0.5);
    z-index: 2;
}

.home {
    position: relative;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 3;
}


.home-content {
    max-width: 600px;
    transform: translateY(-130px)  translateX(-180px);
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 3;
}

.home-content h1 {
    font-size: 36px;
    color: #f1c40f;
    font-weight: 700;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

.home-content p {
    display: inline-block;
    white-space: nowrap;
    font-size: 22px;
    font-weight: 650;
    text-align: center;
    text-shadow: 0 0 10px rgba(0, 0, 0, .3);
    margin-bottom: 30px;
    transition: opacity 1s ease-in-out;
}

.home-content .start-btn {
    width: 140px;
    height: 45px;
    background: #f1c40f;
    border: 2px solid #fff;
    outline: none;
    border-radius: 6px;
    box-shadow: 0 0 10px rgb(247, 243, 12);
    font-size: 16px;
    color: #fff;
    letter-spacing: 1px;
    font-weight: 600;
    cursor: pointer;
}

.home-content .start-btn:hover {
    background: rgb(66, 220, 220);
    box-shadow: none;
}

.footer {
    position: fixed;
    bottom: 0;
    padding: 10px 20px;
    font-size: 13px;
    z-index: 2;
}

.popup-info {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1.3);
    width: 500px;
    background: rgb(6, 8, 120);
    border-radius: 6px;
    padding: 10px 10px;
    opacity: 0; 
    pointer-events: none;
}

.popup-info.active {
    opacity: 1;
    pointer-events: auto;
    transition: .1s ease;
}

.popup-info h2 {
    font-size: 23px;
    color: white;
    margin: 8px;
}

.popup-info .info {
    display: block;
    font-size: 16px;
    color: #f9f7f7;
    font-weight: 600;
    margin: 8px 10px;
}

.popup-info .languages-btn {
    display: flex;
    justify-content: center;
    gap: calc(100% * 0.2);
    align-items: center;
    border-bottom: 2px solid #fff;
    padding: 35px 10px 45px;
    margin-bottom: 20px;
}

.popup-info .languages-btn .info-btn {
    width: calc(70% * 0.4);
    padding: 40px 50px;
    border: 2px solid #fff;
    outline: none;
    border-radius: 6px;
    text-decoration: none;
    font-size: 16px;
    color: #fff;
    font-weight: 600;
    cursor: pointer;
}

.popup-info .languages-btn .info-btn:hover {
    box-shadow: 0 0 10px #f1c40f;
}

.popup-info .languages-btn .info-btn:nth-child(1) {
    background-image: url('Bilder/fahne_deutschland.jpg');
    background-size: cover;
    background-position: center;
}
/* .popup-info .languages-btn .info-btn:nth-child(2) {
    background-image: url('Bilder/fahne-usa.jpg');
    background-size: cover;
    background-position: center;
} */
.popup-info .languages-btn .info-btn:nth-child(2) {
    background-image: url('Bilder/fahne-usa.jpg');
    background-size: cover;
    background-position: center;
}

.popup-info .btn-group .exit-btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 100px;
    height: 45px;
    background: transparent;
    border: 2px solid #fff;
    outline: none;
    border-radius: 6px;
    text-decoration: none;
    font-size: 16px;
    color: #f1c40f;
    font-weight: 600;
    cursor: pointer;
}

.popup-info .btn-group .exit-btn:hover {
    background: #f1c40f;
    color: #fafaf8;
}


.unit-popup {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1.3);
    width: 500px;
    background: rgb(6, 8, 120);
    border-radius: 6px;
    padding: 20px 15px;
    opacity: 0; 
    pointer-events: none;
    transition: .1s ease;
}

.unit-popup.active {
    opacity: 1;
    pointer-events: auto;
    transition: .1s ease;
}

.unit-popup h2 {
    font-size: 23px;
    color: white;
    margin: 5px;
}

.unit-popup .unit-list {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0px;
}

.unit-popup .unit-list .unit {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: calc(10% * 0.2);
    padding: 15px 20px;
    background: #f1c40f;
    border: 2px solid #fff;
    border-radius: 6px;
    font-size: 10px;
    color: #fff;
    font-weight: 600;
    cursor: pointer;
}

.unit-popup .unit-list .unit:hover {
    background:#5bf846;
}

.btn-group2 .backToEss-btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 80px;
    height: 40px;
    background: transparent;
    border: 2px solid #fff;
    border-radius: 6px;
    font-size: 14px;
    color: #f1c40f;
    font-weight: 600;
    cursor: pointer;
    border-top: 2px solid #fff;
    margin-top: 10px;
}

.btn-group2 .backToEss-btn:hover {
    background:tomato;
    color: #fafaf8;
}

.essentials-popup {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1.3);
    width: 500px;
    height: 325px;
    background: rgb(6, 8, 120);
    border-radius: 6px;
    padding: 20px 15px;
    opacity: 0; 
    pointer-events: none;
    transition: .1s ease;
}

.essentials-popup.active {
    opacity: 1;
    pointer-events: auto;
    transition: .1s ease;
}

.essentials-popup h2 {
    font-size: 23px;
    color: white;
    margin: 5px;
}

.essentials-popup .essentials-btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px;
}

.essentials-popup .essentials-btn .essential {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: calc(60% * 0.5);
    padding: 15px 20px;
    background: #f1c40f;
    border: 2px solid #fff;
    border-radius: 6px;
    font-size: 15px;
    color: black;
    font-weight: 600;
    cursor: pointer;
}

.essentials-popup .essentials-btn .essential:hover {
    background:#5bf846;
}

.essentials-popup .btn-group .backToLang-btn {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 100px;
    height: 35px;
    background: transparent;
    border: 2px solid #fff;
    outline: none;
    border-radius: 6px;
    text-decoration: none;
    font-size: 14px;
    color: #f1c40f;
    font-weight: 600;
    cursor: pointer;
    margin: 20px;
}

.essentials-popup .btn-group .backToLang-btn:hover {
    background: tomato;
    color: #fafaf8;
}

.error-popup {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1.3);
    width: 270px;
    height: 140px;
    background: rgb(6, 8, 120);
    border-radius: 6px;
    border: 2px solid white;
    padding: 20px 15px;
    opacity: 0; 
    pointer-events: none;
    transition: .1s ease;
}

.error-popup.active {
    opacity: 1;
    pointer-events: auto;
    transition: .1s ease;
}

.error-popup h2 {
    font-size: 20px;
    color: white;
    margin: 5px;
}

.OK-btn {
    justify-content: center;
    width: 100px;
    background: transparent;
    border: 2px solid #fff;
    border-radius: 6px;
    font-size: 16px;
    color: #f1c40f;
    font-weight: 600;
    cursor: pointer;
    margin: 20px;
}

.quiz-section {
    /* position: relative; */
    position: fixed;
    left: -50%;
    /* left: 0; */
    width: 100%;
    height: 100%;
    background:rgb(172, 12, 230);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
    transition: .6s ease-in-out;
    transition-delay: .1s;
}

.quiz-section.active {
    left: 0;
    z-index: 100;
}

.quiz-section .quiz-box {
    position: fixed;
    width: 500px;
    height: 100%;
    background:aqua;
    color: black;
    border: 2px solid #fff;
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    padding: 20px 30px;
    opacity: 0; /* macht das Element vollständig transparent */
    pointer-events: none; /* verhindert, dass das Element auf Mausklicks oder -bewegungen reagiert */
    transform: scale(.9);
    transition: .3s ease;
    transition-delay: 0s;
    justify-content: center;
}

.quiz-section .quiz-box.active {
    opacity: 1; /* macht das Element vollständig undurchsichtig(intransparent) */
    pointer-events: auto; /* ermöglicht es dem Element, auf Mausklicks oder -bewegungen zu reagieren */
    transform: scale(1);
    transition: .1s ease;
    transition-delay: .1s;
}

.quiz-box h1 {
    font-size: 25px;
    text-align: center;
    background: linear-gradient(90deg, transparent, black, red, #fbd439, transparent);
    border-radius: 6px;
    color:white;
    margin-top: 20px;
}

.quiz-box .quiz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    border-bottom: 2px solid #fff;
    margin: 10px 0;
}

.quiz-header span {
    font-size: 16px;
    font-weight: 600;
}

.quiz-header .header-score {
    background: #f1c40f;
    border-radius: 6px;
    padding: 7px;
    color: black;
    border-color: white;
}

.quiz-box .question-text {
    font-size: 24px;
    font-weight: 600;
    padding: 10px 0;
    color:#0d0e0d;
}

.question-text .highlight {
    font-size: 16px;
    font-weight: 600;
    color: #fafcfa;
}

.quiz-box .question-line {
    display: flex;
    align-items: center;
}

button.audio {
    background: transparent;
    border: none;
    margin-left: 10px;
    cursor: pointer;
    position: relative;
}

button.audio[data-accent="british"] {
    color: red;
    font-size: 24px
}

button.audio[data-accent="american"] {
    color: blue;
    font-size: 24px;
}

button.audio i {
    vertical-align: middle;
}


button.audio[data-accent="british"]:hover::after {
    content: "British";
}

button.audio[data-accent="american"]:hover::after {
    content: "American";
}

button.audio[data-accent="british"]:hover::after,
button.audio[data-accent="american"]:hover::after {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translate(-50%);
    background-color: rgba(0, 0, 0, 0.8);
    color: #fff;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.option-list .option {
    width: 100%;
    padding: 12px;
    background:lightyellow;
    border: 2px solid rgb(0, 0, 0, .2);
    border-radius: 6px;
    font-size: 17px;
    margin: 10px 0;
    cursor:pointer;
}

.option-list .option:hover {
    background: #f1c40f;
    border-color: white;
}

.option-list .option.correct {
    background: #00a63d;
    color: white;
    border-color: white;
    box-shadow: white 0 0 10px;
}

.option-list .option.incorrect {
    background: #ff0000;
    color: white;
    border-color: white;
}

.option-list .option.disabled {
    pointer-events: none;
}

.quiz-box .quiz-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 2px solid #fff;
    margin-top: 10px;
}


.quiz-header .question-total {
    font-size: 16px;
    font-weight: 600;
    background-size: 35px;
    background: rgb(172, 12, 230);
    padding: 7px;
    border-radius: 6px;
    color:white;
}

.quiz-footer .next-btn, .backToUnit-btn {
    width: 100px;
    height: 45px;
    background: grey;
    border: 2px solid #ffffff5b;
    outline: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    padding: 7px 15px;
    color: rgba(225, 225, 225, 0.744);
    margin: 10px 0;
    cursor: pointer;
    pointer-events: none;
    margin-left: 0;
}

.quiz-footer .next-btn.active, .backToUnit-btn.active {
    pointer-events: auto;
    background:blueviolet;
    color: hsl(187, 60%, 97%);
    border-color: white;
}

.quiz-footer .next-btn:hover, .backToUnit-btn:hover {
    background: rgb(253, 243, 253);
    border-color: blueviolet;
    color:blueviolet;
}

.quiz-section .result-box {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(.9);
    height: auto;
    width: 500px;
    background:aqua;
    border: 2px solid #fff;
    color: #0d0e0d;
    border-radius: 6px;
    padding: 20px 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: .1s ease;
}

.quiz-section .result-box.active {
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%, -50%) scale(1);
}

.result-box h2 {
    font-size: 35px;
    font-weight: 800;
    margin-bottom: 10px;
}

.result-box .percentage-container {
    width: 300px;
    margin: 10px 0 30px;
    font-weight: 550;
    border-radius: 6px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.percentage-container .circular-progress {
    position: relative;
    width: 250px;
    height: 250px;
    background: conic-gradient(#5bf846 45deg, white 0deg);
    border-radius: 50%;
    display: flex;
    justify-content: center; /* horizontal zentrieren */
    align-items: center; /* vertikal zentrieren */
}

.percentage-container .circular-progress::before {
    content:"";
    position: absolute; /* absolut positioniert */
    width: 200px;
    height: 200px;
    background: aqua;
    border-radius: 50%;
}

.circular-progress .progress-value {
    position: relative; /* relativ positioniert */
    font-size: 45px;
    font-weight: 600;    
}

.percentage-container .score-text {
    font-size: 20px;
    font-weight: 700;
    margin-top: 30px;
    text-align: center;
}

.result-box .buttons {
    display: flex;
}

.buttons button {
    width: 165px;
    height: 55px;
    margin: 0 20px 20px;
    background: #f1c40f;
    color: black;
    border: 2px solid #0f0e0e;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
}

.buttons button:nth-child(1) {
    background: rgb(150, 225, 228);
}

.buttons button:nth-child(2):hover {
    background: #4cf54c;
    border-color: black;
}
.buttons button:nth-child(1):hover {
    background: #f1c40f;
    border-color: black;
}


@media (max-width: 768px) {
    .navbar a {
        font-size: 16px;
        margin-left: 10px;
    }

    .header {
        padding: 12px; 
    }

    .logo {
        font-size: 20px;
    }

    .home-content {
        width: calc(100vw * 0.7);
        height: calc(56.25vw * 0.4);
        margin-left: 30px;
        transform: translateY(-150px) translateX(-30px);
    }

    .home-content h1 {
        font-size: 26px;
    }

    .home-content p {
        font-size: 18px;
    }

    .home-content .start-btn {
        width: calc(100vw * 0.3);
        font-size: 16px;
        font-weight: 700;
        padding: 10px;
    }

    .popup-info.active {
        width: calc(100vw * 0.7);
        height: auto;
    }

    .popup-info h2 {
        font-size: 14px;
    }
    
    .popup-info .languages-btn .info-btn {
        width: calc(80% * 0.4);
        padding: 25px 25px;
    }
    
    .popup-info .btn-group .exit-btn {
        width: 80px; 
        height: 35px;
        font-size: 12px;
    }
    .essentials-popup {
        width: calc(100vw * 0.75);
        padding: 9px;
    }
    
    .essentials-popup h2 {
        font-size: 15px;
        text-align: center;
    }
    
    .essentials-popup .essentials-btn .essential {
        font-size: 13px;
    }
    
    .essentials-popup .btn-group .backToLang-btn {
        margin: 10px 20px;
    }
    
    .unit-popup {
        width: calc(100vw * 0.75);
        padding: 10px 5px;
    }
    
    .unit-popup.active {
        opacity: 1;
        pointer-events: auto;
        transition: .1s ease;
    }
    
    .unit-popup h2 {
        font-size: 20px;
        margin-bottom: 10px;
    }
    
    .unit-popup .unit-list {
        padding: 10px 0px;
    }
    
    .unit-popup .unit-list .unit {
        padding: 12px 10px;
        font-size: 10px;
    }
    
    .btn-group2 {
        border-top: 2px solid #fff;
        margin-top: 20px;
    }
    
    .btn-group2 .back-btn {
        font-size: 14px;
    }
    
    .btn-group2 .back-btn:hover {
        background:tomato;
        color: #fafaf8;
    }

    .quiz-box h1 {
        font-size: 22px;
    }

    .quiz-box .question-text {
        font-size: 24px;
    }

    .option-list .option {
        font-size: 18px;
    }

    .quiz-header .question-total {
        font-size: 16px;
        font-weight: 600;
        background:rgb(172, 12, 230);
        color: white;
        background-size: 35px;
        border-radius: 6px;
        padding: 7px;
    }

    .quiz-header .header-score {
        font-size: 16px;
    }

    .quiz-footer .next-btn, .backToUnit-btn {
        font-size: 16px;
        margin-left: 0;
    }

    .result-box h2 {
        font-size: 30px;
    }

    .circular-progress .progress-value {
        font-size: 45px; 
    }

    .buttons button {
        width: 150px; 
        height: 55px;
        font-size: 15px;
    }
}

@media (max-width: 480px) {
    .navbar a {
        font-size: 14px;
    }

    .home-content .start-btn {
        width: calc(100vw * 0.4);
    }

    .quiz-section .quiz-box {
        width: 100%;
    }

    .quiz-section .result-box {
        width: 100%;
        height: 100%;
    }
}