body {
font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
line-height: 1.6;
color: #333;
} .mathe-trainer-container { 
background-color: #f7f9fc;
border: 1px solid #e0e6ed;
border-radius: 16px;
box-shadow: 0 12px 35px rgba(0, 0, 0, 0.15);
padding: 35px; 
max-width: 600px;
margin: 40px auto; 
text-align: center;
transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
isolation: isolate; 
position: relative;
}
.mathe-trainer-container:hover {
transform: translateY(-5px); 
}    .mathe-info {
font-size: 1.2em;
color: #4a5568; 
margin-bottom: 25px;
border-bottom: 3px solid #b3cde0; 
padding-bottom: 15px;
font-weight: 700; 
display: flex;
justify-content: space-between; 
align-items: center;
background-color: #eaf1f8; 
padding: 10px 15px;
border-radius: 8px;
}
.mathe-info .aufgabe-zaehler, .mathe-info .anzahl-gesamt {
font-weight: 900;
color: #1a75ff;
font-size: 1.3em;
padding: 2px 8px;
background-color: #ffffff; 
border-radius: 4px;
} .mathe-frage {
font-size: 1.8em; 
color: #2c3e50; 
font-weight: 800; 
margin-bottom: 30px;
padding: 20px;
background: linear-gradient(135deg, #ffffff, #e6f7ff);
border-radius: 10px;
border: 2px solid #b3cde0;
box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
}
.mathe-frage strong {
font-size: 1em;
} .eingabe-bereich {
display: flex;
gap: 20px;
margin-bottom: 30px;
align-items: center;
justify-content: center;
}   .mathe-eingabe {
flex-grow: 1;
max-width: 220px; 
padding: 15px;
border: 3px solid #1a75ff; 
border-radius: 10px;
font-size: 1.5em; 
text-align: center;
outline: none;
box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}
.mathe-eingabe:focus {
border-color: #ff8c00;
box-shadow: 0 0 0 4px rgba(255, 140, 0, 0.2); 
} .pruef-button, .neue-aufgabe-button { 
padding: 15px 30px;
border: none;
border-radius: 10px;
font-weight: 800;
font-size: 1.15em;
color: white;
box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2); 
text-transform: uppercase;
transition: background-color 0.3s, transform 0.1s, box-shadow 0.3s;
} .pruef-button {
background-color: #1a75ff;
}
.pruef-button:hover:not(:disabled) {
background-color: #005ce6;
transform: translateY(-2px);
box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
}
.pruef-button:disabled {
background-color: #a0b0c0;
box-shadow: none;
transform: none;
cursor: not-allowed;
}   .ergebnis-feedback { 
margin-top: 25px;
padding: 18px;
border-radius: 10px;
font-weight: 700;
font-size: 1.4em; 
box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1); 
}
.feedback.korrekt {
background-color: #e9fbe9;
color: #2e8b57;
border: 2px solid #2e8b57;
}
.feedback.fehler {
background-color: #fee9e9;
color: #c93737;
border: 2px solid #c93737;
}   .mathe-einstellungen {
padding: 30px;
border: 2px solid #b3cde0;
border-radius: 10px;
background-color: #ffffff;
box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}
.mathe-einstellungen h4 {
font-size: 1.6em;
color: #1a75ff;
margin-bottom: 25px;
font-weight: 800;
}
.einstell-option {
display: flex;
justify-content: center;
align-items: center;
gap: 15px;
margin-bottom: 30px;
}
.einstell-option label {
font-size: 1.2em;
font-weight: 600;
color: #4a5568;
}
.anzahl-input {
width: 80px;
padding: 10px 15px;
border: 2px solid #ccc;
border-radius: 6px;
font-size: 1.2em;
text-align: center;
-moz-appearance: textfield; 
}
.anzahl-input::-webkit-outer-spin-button,
.anzahl-input::-webkit-inner-spin-button {
-webkit-appearance: none;
margin: 0;
}
.start-test-button {
background-color: #28a745;
color: white;
padding: 15px 40px;
border: none;
border-radius: 10px;
font-weight: 800;
font-size: 1.2em;
box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2); 
cursor: pointer;
transition: background-color 0.3s, transform 0.1s;
}
.start-test-button:hover {
background-color: #218838;
transform: translateY(-2px);
box-shadow: 0 8px 15px rgba(0, 0, 0, 0.3);
}    .end-ergebnis-bereich {
text-align: center;
padding: 30px 10px;
background-color: #ffffff;
border-radius: 12px;
box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
margin-top: 30px;
}
.end-ergebnis {
font-size: 1.8em;
color: #dc3545; 
font-weight: 900;
margin-bottom: 15px;
text-transform: uppercase;
letter-spacing: 1px;
}
.ergebnis-summary {
font-size: 2.2em; 
color: #2e8b57; 
font-weight: 900;
margin-top: 10px;
line-height: 1.2;
padding: 10px 0;
border-bottom: 2px solid #b3cde0;
margin-bottom: 20px;
}
.aufgaben-protokoll {
margin-top: 20px;
padding-top: 0;
border-top: none;
text-align: left;
}
.aufgaben-protokoll h4 {
font-size: 1.4em;
color: #2c3e50;
margin-bottom: 20px;
text-align: center;
font-weight: 700;
}
.protokoll-eintrag {
display: flex;
justify-content: space-between;
align-items: center;
padding: 12px 18px;
margin-bottom: 10px;
border-radius: 8px;
font-size: 1.1em;
transition: background-color 0.2s;
}
.protokoll-korrekt {
background-color: #f0fff0; 
border-left: 6px solid #2e8b57;
}
.protokoll-fehler {
background-color: #fff0f0; 
border-left: 6px solid #c93737;
}
.protokoll-eintrag strong {
flex-grow: 1;
font-weight: 700;
color: #444;
}
.protokoll-eintrag span {
font-weight: 600;
margin-left: 20px;
white-space: nowrap; 
}    .mathe-modal-overlay, .mathe-modal-content {
display: none !important; 
}