@import url('https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@400;700&display=swap'); /* Monospace Font */

:root {
    --matrix-green: #00FF41;
    --dark-bg: #000000;
    --darker-bg: #0a0a0a;
    --light-grey: #cccccc;
    --dark-grey: #333333;
    --glow-color: rgba(0, 255, 65, 0.5);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--dark-bg);
    color: var(--matrix-green);
    font-family: 'Roboto Mono', monospace;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow: hidden; /* Verhindert Scrollbalken durch Canvas */
    position: relative; /* Für Canvas Positionierung */
}

#matrix-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1; /* Hinter den Inhalt legen */
    opacity: 0.7; /* Etwas dezenter machen */
}

.container {
    background-color: rgba(10, 10, 10, 0.85); /* Dunkler, halbtransparenter Hintergrund */
    padding: 30px 40px;
    border-radius: 8px;
    border: 1px solid var(--matrix-green);
    box-shadow: 0 0 15px var(--glow-color);
    width: 90%;
    max-width: 550px;
    z-index: 1; /* Vor dem Canvas */
    text-align: center;
}

h1 {
    margin-bottom: 25px;
    text-shadow: 0 0 8px var(--glow-color);
    font-weight: 700;
    letter-spacing: 2px;
}

.result-container {
    display: flex;
    align-items: center;
    background-color: var(--dark-grey);
    border: 1px solid var(--matrix-green);
    border-radius: 4px;
    margin-bottom: 20px;
    padding: 5px;
    box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.5);
}

#password-display {
    flex-grow: 1;
    background: none;
    border: none;
    color: var(--matrix-green);
    font-size: 1.1em;
    padding: 10px;
    font-family: 'Roboto Mono', monospace;
    outline: none;
    letter-spacing: 1px; /* Etwas mehr Abstand */
}

#password-display::placeholder {
    color: rgba(0, 255, 65, 0.5);
}

#copy-btn {
    background: none;
    border: none;
    color: var(--matrix-green);
    cursor: pointer;
    padding: 8px;
    font-size: 1.2em; /* Icon Größe */
    transition: color 0.3s ease, transform 0.2s ease;
    display: flex; /* Zentriert das SVG */
    justify-content: center;
    align-items: center;
}

#copy-btn:hover {
    color: white;
    transform: scale(1.1);
}
#copy-btn:active {
    transform: scale(0.95);
}
#copy-btn svg {
    fill: currentColor; /* Nimmt die Farbe des Buttons an */
}

.settings {
    display: flex;
    flex-direction: column;
    gap: 20px; /* Abstand zwischen den Einstellungsblöcken */
    margin-bottom: 25px;
}

.setting {
    background-color: rgba(30, 30, 30, 0.6); /* Etwas hellerer Hintergrund für Settings */
    padding: 15px;
    border-radius: 4px;
    border: 1px solid var(--dark-grey);
    text-align: left;
}

.setting label {
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
}

/* --- Slider Styling --- */
#length-slider {
    width: 100%;
    cursor: pointer;
    appearance: none; /* Standard-Aussehen entfernen */
    height: 8px;
    background: var(--dark-grey);
    border-radius: 5px;
    outline: none;
    border: 1px solid var(--matrix-green);
}

/* Thumb (der Regler) */
#length-slider::-webkit-slider-thumb {
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--matrix-green);
    border-radius: 50%;
    border: 2px solid var(--dark-bg);
    box-shadow: 0 0 5px var(--glow-color);
    cursor: pointer;
}

#length-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    background: var(--matrix-green);
    border-radius: 50%;
    border: 2px solid var(--dark-bg);
    box-shadow: 0 0 5px var(--glow-color);
    cursor: pointer;
}

#length-value {
    font-weight: bold;
    display: inline-block;
    min-width: 25px; /* Damit die Breite stabil bleibt */
    text-align: center;
    background-color: var(--dark-grey);
    padding: 2px 6px;
    border-radius: 3px;
    margin-left: 5px;
}


/* --- Checkbox Styling --- */
.checkbox-group {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

.checkbox-group input[type="checkbox"] {
    appearance: none;
    width: 18px;
    height: 18px;
    border: 1px solid var(--matrix-green);
    border-radius: 3px;
    margin-right: 10px;
    cursor: pointer;
    position: relative;
    background-color: var(--dark-grey);
    transition: background-color 0.2s ease;
}

.checkbox-group input[type="checkbox"]:checked {
    background-color: var(--matrix-green);
    box-shadow: 0 0 5px var(--glow-color);
}

/* Haken für die Checkbox */
.checkbox-group input[type="checkbox"]:checked::after {
    content: '';
    position: absolute;
    top: 1px;
    left: 5px;
    width: 5px;
    height: 10px;
    border: solid var(--dark-bg); /* Hakenfarbe */
    border-width: 0 3px 3px 0;
    transform: rotate(45deg);
}

.checkbox-group label {
    cursor: pointer;
    margin-bottom: 0; /* Überschreibt Standard Label Margin */
    flex-grow: 1; /* Nimmt verfügbaren Platz ein */
}

/* --- Button Styling --- */
#generate-btn {
    background-color: var(--matrix-green);
    color: var(--dark-bg);
    border: none;
    padding: 12px 20px;
    font-size: 1.1em;
    font-family: 'Roboto Mono', monospace;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    width: 100%;
    margin-top: 10px;
    letter-spacing: 1px;
}

#generate-btn:hover {
    background-color: #33ff77; /* Helleres Grün */
    box-shadow: 0 0 15px var(--glow-color);
}

#generate-btn:active {
    transform: scale(0.98);
}

.security-note {
    margin-top: 20px;
    font-size: 0.8em;
    color: var(--light-grey);
    opacity: 0.7;
}

/* Responsive Anpassungen */
@media (max-width: 600px) {
    .container {
        padding: 20px;
        width: 95%;
    }
    h1 {
        font-size: 1.5em;
    }
    #password-display {
        font-size: 1em;
    }
    .setting {
        padding: 10px;
    }
    #generate-btn {
        padding: 10px 15px;
        font-size: 1em;
    }
}