/* =========================================
   FARBPALETTE UND GLOBALE VARIABLEN
   ========================================= */
:root {
    --bg-color: #050505;
    --text-color: #00ff41; /* Klassisches Terminal-Grün */
    --glow-subtle: 0 0 5px rgba(0, 255, 65, 0.5);
    --glow-strong: 0 0 10px rgba(0, 255, 65, 0.8), 0 0 20px rgba(0, 255, 65, 0.4);

    /* Quiz-spezifische Variablen */
    --error-color: #ff0041;
    --glow-error: 0 0 10px rgba(255, 0, 65, 0.8);
    --border-color: rgba(0, 255, 65, 0.3);
}

/* =========================================
   SAFARI & MOBILE FIXES (WICHTIG!)
   ========================================= */
button, input, a, .nav-btn, .option-btn, .btn-hint, #next-btn, .restart-btn {
    -webkit-appearance: none !important;
    appearance: none !important;
    border-radius: 0;
    -webkit-tap-highlight-color: transparent; /* Verhindert das graue Aufblinken beim Tippen in Safari */
}

/* =========================================
   GRUNDLEGENDES SETUP
   ========================================= */
body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Space Mono', monospace;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    text-align: center;
    padding: 50px 20px 20px 20px;
}

h1 {
    font-size: 3rem;
    margin: 0;
    text-shadow: var(--glow-strong);
    letter-spacing: 2px;
}

main {
    display: flex;
    flex-wrap: wrap; /* Lässt Spalten auf kleinen Screens umbrechen */
    justify-content: center;
    gap: 40px;
    padding: 40px 20px;
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

.column {
    flex: 1;
    min-width: 280px;
}

h2 {
    font-size: 1.5rem;
    border-bottom: 1px dashed var(--text-color);
    padding-bottom: 10px;
    margin-bottom: 20px;
    text-shadow: var(--glow-subtle);
}

ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

li {
    margin-bottom: 5px;
}

a {
    color: var(--text-color);
    text-decoration: none;
    display: block;
    padding: 12px 10px;
    border-left: 3px solid transparent;
    transition: all 0.2s ease-in-out;
    text-shadow: var(--glow-subtle);
}

footer {
    text-align: center;
    padding: 20px;
    border-top: 1px dashed var(--border-color);
    margin-top: auto;
}

/* =========================================
   QUIZ-SPEZIFISCHES DESIGN
   ========================================= */

#quiz-container {
    max-width: 850px;
    width: 100%;
    background-color: var(--bg-color);
    padding: 40px;
    border: 1px solid var(--border-color);
    box-shadow: var(--glow-subtle);
    box-sizing: border-box;
    margin: 0 auto;
}

.subtitle {
    text-align: center;
    color: rgba(0, 255, 65, 0.7);
    margin-bottom: 30px;
    font-size: 0.95rem;
    font-style: italic;
}

/* --- Fragen-Navigation --- */
.question-nav {
    display: flex;
    overflow-x: auto;
    gap: 10px;
    padding-bottom: 15px;
    margin-bottom: 20px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--text-color) var(--bg-color);
}

.question-nav::-webkit-scrollbar {
    height: 6px;
}
.question-nav::-webkit-scrollbar-thumb {
    background-color: var(--text-color);
}

.nav-btn {
    flex: 0 0 auto;
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color);
    background: transparent;
    cursor: pointer;
    font-weight: bold;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.2s;
    user-select: none;
    font-family: 'Space Mono', monospace;
}

/* WICHTIG: !important zwingt auch Smartphones dazu, die Farben beizubehalten */
.nav-btn.active {
    border-color: var(--text-color) !important;
    background: rgba(0, 255, 65, 0.2) !important;
    color: var(--text-color);
    box-shadow: var(--glow-subtle);
}

.nav-btn.correct {
    border-color: var(--text-color) !important;
    color: var(--bg-color) !important;
    background: var(--text-color) !important;
    text-shadow: none;
}

.nav-btn.correct.active {
    box-shadow: var(--glow-strong);
}

.nav-btn.wrong {
    border-color: var(--error-color) !important;
    color: var(--error-color) !important;
    text-shadow: 0 0 5px var(--error-color);
}

.nav-btn.wrong.active {
    background: rgba(255, 0, 65, 0.1) !important;
}

/* --- Fortschrittsbalken --- */
.progress-bar {
    height: 8px;
    background: rgba(0, 255, 65, 0.1);
    border: 1px solid var(--border-color);
    margin-bottom: 10px;
    overflow: hidden;
}

#progress {
    height: 100%;
    background: var(--text-color);
    width: 0%;
    transition: width 0.4s ease;
    box-shadow: var(--glow-subtle);
}

.stats {
    display: flex;
    justify-content: space-between;
    font-weight: bold;
    margin-bottom: 25px;
    color: var(--text-color);
    font-size: 1.1rem;
    text-shadow: var(--glow-subtle);
}

/* --- Frage & Antworten --- */
.question-box h2 {
    font-size: 1.25rem;
    margin-bottom: 25px;
    font-weight: normal;
    line-height: 1.6;
    border-bottom: 1px dashed var(--text-color);
    padding-bottom: 15px;
}

.options {
    display: grid;
    gap: 15px;
    margin-bottom: 30px;
}

.option-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 16px;
    cursor: pointer;
    text-align: left;
    transition: all 0.2s ease-in-out;
    font-size: 1.05rem;
    touch-action: manipulation;
    font-family: 'Space Mono', monospace;
}

.option-btn:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.option-btn.correct {
    border-color: var(--text-color) !important;
    background: rgba(0, 255, 65, 0.2) !important;
    box-shadow: var(--glow-strong);
    font-weight: bold;
}

.option-btn.wrong {
    border-color: var(--error-color) !important;
    background: rgba(255, 0, 65, 0.1) !important;
    color: var(--error-color) !important;
    text-shadow: 0 0 5px var(--error-color);
    box-shadow: var(--glow-error);
}

/* --- Hilfen & Erklärungen --- */
.hints-section {
    margin-bottom: 20px;
    padding-top: 20px;
    border-top: 1px dashed var(--border-color);
}

.btn-hint {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 10px 20px;
    cursor: pointer;
    font-size: 0.95rem;
    margin-bottom: 10px;
    transition: all 0.2s;
    touch-action: manipulation;
    font-family: 'Space Mono', monospace;
}

.hint-text {
    background: rgba(0, 255, 65, 0.05);
    border-left: 4px solid var(--text-color);
    padding: 12px 15px;
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.rationale-box {
    background: rgba(0, 255, 65, 0.05);
    border: 1px dashed var(--border-color);
    padding: 20px;
    margin-top: 20px;
    font-size: 1rem;
}

.rationale-box h3 {
    margin-top: 0;
    color: var(--text-color);
    font-size: 1.1rem;
    margin-bottom: 15px;
    text-shadow: var(--glow-subtle);
    border-bottom: 1px dashed var(--border-color);
    padding-bottom: 10px;
}

.rationale-step {
    margin-bottom: 12px;
}

b, i {
    text-shadow: var(--glow-subtle);
}

/* --- Weiter-Button & Resultate --- */
#next-btn {
    display: block;
    width: 100%;
    background: rgba(0, 255, 65, 0.05);
    color: var(--text-color);
    border: 1px solid var(--text-color);
    padding: 18px;
    margin-top: 30px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s;
    touch-action: manipulation;
    font-family: 'Space Mono', monospace;
    text-transform: uppercase;
    letter-spacing: 2px;
}

#next-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    border-color: var(--border-color);
    box-shadow: none;
}

.result-screen {
    text-align: center;
}

.result-score {
    font-size: 4rem;
    color: var(--text-color);
    margin: 20px 0;
    font-weight: bold;
    text-shadow: var(--glow-strong);
}

.restart-btn {
    opacity: 1 !important;
    cursor: pointer !important;
}

/* =========================================
   HOVER-EFFEKTE (NUR FÜR DESKTOP / MAUS)
   ========================================= */
/* Dieser Block verhindert, dass die Farben auf dem Handy nach dem Antippen stecken bleiben */
@media (hover: hover) and (pointer: fine) {
    a:hover, a:focus {
        background-color: rgba(0, 255, 65, 0.1);
        border-left: 3px solid var(--text-color);
        text-shadow: var(--glow-strong);
        padding-left: 15px;
        outline: none;
    }

    .nav-btn:hover {
        background-color: rgba(0, 255, 65, 0.1);
        border-color: var(--text-color);
        text-shadow: var(--glow-strong);
    }

    .option-btn:hover:not(:disabled) {
        border-color: var(--text-color);
        background: rgba(0, 255, 65, 0.1);
        text-shadow: var(--glow-strong);
        padding-left: 25px;
    }

    .btn-hint:hover {
        background: rgba(0, 255, 65, 0.1);
        border-color: var(--text-color);
        text-shadow: var(--glow-subtle);
    }

    #next-btn:hover:not(:disabled) {
        background: rgba(0, 255, 65, 0.2);
        box-shadow: var(--glow-strong);
        text-shadow: var(--glow-strong);
    }
}

/* =========================================
   HELPER-KLASSEN FÜR JAVASCRIPT
   ========================================= */
/* WICHTIG: Die Tipps können nur versteckt werden, wenn diese Klasse hier ganz frei steht! */
.is-hidden {
    display: none !important;
}

/* =========================================
   MOBILE RESPONSIVENESS (SMARTPHONES)
   ========================================= */
@media (max-width: 600px) {
    #quiz-container {
        padding: 20px;
    }

    .option-btn {
        padding: 14px;
        font-size: 1rem;
    }

    .nav-btn {
        width: 44px;
        height: 44px;
    }

    #next-btn {
        padding: 16px;
        font-size: 1rem;
    }

    .rationale-box {
        padding: 15px;
        font-size: 0.95rem;
    }
}