:root {
    --wwds-bg: #0b0e26;
    --wwds-panel: #131940;
    --wwds-border: #242f6b;
    --wwds-cyan: #00f0ff;
    --wwds-magenta: #ff007f;
    --wwds-gold: #ffd700;
    --wwds-green: #10b981;
    --wwds-red: #ef4444;
}

.quiz-container {
    max-width: 680px;
    width: 100%;
    padding: 40px;
    background: linear-gradient(145deg, #131940, #0d1230);
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6), inset 0 1px 2px rgba(255, 255, 255, 0.1);
    border: 4px solid #ff0000;
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: #ffffff;
    margin: 30px auto;
    box-sizing: border-box;
    animation: fadeIn 0.4s ease-out;
}

/* Überschriften */
.quiz-container h2 {
    color: #ffffff !important;
    margin-top: 0;
    margin-bottom: 30px;
    font-size: 26px;
    text-align: center;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

/* Kategorie-Auswahl-Knöpfe */
.category-btn {
    display: block;
    width: 100%;
    padding: 18px;
    margin: 14px 0;
    background: #1a2254;
    color: #fff;
    border: 2px solid #2e3d96;
    border-radius: 10px;
    cursor: pointer;
    font-size: 19px;
    font-weight: bold;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.category-btn:hover {
    background: #243077;
    border-color: var(--wwds-cyan);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
    transform: translateY(-2px);
}

/* Kopfzeile im Quiz */
.quiz-header {
    display: flex;
    justify-content: space-between;
    color: #8fa0f0;
    font-size: 13px;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border-bottom: 1px solid var(--wwds-border);
    padding-bottom: 10px;
}

#current-category-name {
    color: var(--wwds-cyan);
    font-weight: bold;
}

/* Die 4 Antwort-Boxen (A, B, C, D) */
.quiz-option {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 0;
    margin: 16px 0;
    background: #1a2254;
    color: #fff;
    border: 2px solid #2e3d96;
    border-radius: 12px;
    cursor: pointer;
    font-size: 18px;
    text-align: left;
    overflow: hidden;
    transition: all 0.2s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.15);
}

.quiz-option:hover:not(:disabled) {
    background: #222d6e;
    border-color: var(--wwds-gold);
    transform: scale(1.01);
}

/* Buchstaben-Box links */
.option-letter {
    background: #090d24;
    color: var(--wwds-gold);
    font-weight: 900;
    padding: 16px 22px;
    margin-right: 18px;
    min-width: 28px;
    text-align: center;
    border-right: 2px solid #2e3d96;
    font-size: 20px;
}

.option-text {
    padding: 16px 12px;
    font-weight: 500;
}

/* Richtig leuchtet Grün mit Puls-Effekt */
.quiz-option.correct-pulse {
    background: var(--wwds-green) !important;
    border-color: #068048 !important;
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.6);
    animation: correctFlash 0.5s ease;
}
.quiz-option.correct-pulse .option-letter {
    background: #068048 !important;
    color: #fff !important;
    border-color: #068048 !important;
}

/* Falsch leuchtet Rot */
.quiz-option.wrong-pulse {
    background: var(--wwds-red) !important;
    border-color: #b91c1c !important;
    box-shadow: 0 0 20px rgba(239, 68, 68, 0.6);
    animation: shake 0.4s ease;
}
.quiz-option.wrong-pulse .option-letter {
    background: #b91c1c !important;
    color: #fff !important;
    border-color: #b91c1c !important;
}

/* "Nächste Frage" & "Neu Starten" Buttons */
#quiz-next, #quiz-restart {
    background: linear-gradient(180deg, var(--wwds-gold), #e0be00);
    color: #050714;
    border: none;
    padding: 16px;
    font-size: 18px;
    border-radius: 10px;
    cursor: pointer;
    width: 100%;
    margin-top: 25px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.2s;
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.3);
}

#quiz-next:hover, #quiz-restart:hover {
    background: linear-gradient(180deg, #ffe342, var(--wwds-gold));
    box-shadow: 0 5px 20px rgba(255, 215, 0, 0.5);
    transform: translateY(-1px);
}

.hidden {
    display: none !important;
}

/* Animationen */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes correctFlash {
    0% { transform: scale(1); filter: brightness(1); }
    50% { transform: scale(1.03); filter: brightness(1.3); }
    100% { transform: scale(1); filter: brightness(1); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-6px); }
    75% { transform: translateX(6px); }
}
/* Sound-Leiste ganz oben */
.quiz-utility-bar {
    display: flex;
    justify-content: flex-end;
    margin-bottom: -15px;
    position: relative;
    z-index: 10;
}

#quiz-toggle-sound {
    background: transparent;
    border: none;
    font-size: 22px;
    cursor: pointer;
    padding: 5px;
    transition: transform 0.2s;
    user-select: none;
}

#quiz-toggle-sound:hover {
    transform: scale(1.15);
}