body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background: linear-gradient(135deg, #4facfe, #00f2fe);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

/* Hlavní karta */
.Okno {
    width: 380px;
    padding: 25px;
    background: white;
    border-radius: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: fadeIn 0.5s ease;
}

/* Progress */
#progress {
    font-size: 14px;
    color: gray;
    margin-bottom: 10px;
}

/* Otázka */
.Otazka {
    font-size: 36px;
    font-weight: bold;
    color: #333;
    margin-bottom: 20px;
}

/* Input */
.Odpoved {
    width: 100%;
    padding: 12px;
    font-size: 18px;
    border-radius: 12px;
    border: 2px solid #ddd;
    outline: none;
    text-align: center;
    transition: 0.3s;
}

.Odpoved:focus {
    border-color: #4facfe;
    box-shadow: 0 0 8px rgba(79,172,254,0.5);
}

/* Button */
.Kontrola {
    margin-top: 15px;
    width: 100%;
    padding: 12px;
    font-size: 18px;
    border: none;
    border-radius: 12px;
    background: linear-gradient(135deg, #4facfe, #00f2fe);
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: 0.2s;
}

.Kontrola:hover {
    transform: scale(1.05);
}

/* Výsledek */
#vysledek {
    margin-top: 15px;
    font-size: 18px;
    font-weight: bold;
}

/* Konec testu */
#konec {
    width: 90%;
    max-width: 400px;
    margin: auto;
    background: white;
    padding: 20px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    animation: fadeIn 0.5s ease;
}

/* Animace */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}