/* ============================= */
/* RESET */
/* ============================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Segoe UI", sans-serif;
}

/* ============================= */
/* BODY */
/* ============================= */
body {
    height: 100vh;
    background: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* ============================= */
/* MAIN CONTAINER */
/* ============================= */
.container {
    background: #f4f6f9;
    padding: 60px 50px;
    width: 90%;
    max-width: 500px;
    border-radius: 14px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center;
}

/* ============================= */
/* MAIN TITLE */
/* ============================= */
h1 {
    color: blueviolet;
    font-size: 44px;
    margin-bottom: 20px;
    white-space: nowrap;       /* Always single line */
    overflow: hidden;
    text-overflow: ellipsis;
    transition: 0.3s ease;
}

h1:hover {
    color: #2e7d32;
    letter-spacing: 1px;
}

/* ============================= */
/* PARAGRAPH TEXT */
/* ============================= */
.container p {
    font-size: 20px;
    margin-bottom: 15px;
    color: magenta;
    white-space: nowrap;       /* Single line */
}

/* ============================= */
/* MESSAGE (Correct / Wrong) */
/* ============================= */
#message {
    font-weight: bold;
    color: gold;
    font-size: 24px;
    margin-top: 15px;
    white-space: nowrap;       /* Single line */
    animation: popEffect 0.6s ease;
    transition: transform 0.3s ease;
}

#message:hover {
    transform: scale(1.08);
}

@keyframes popEffect {
    0% { transform: scale(0.6); opacity: 0; }
    50% { transform: scale(1.2); }
    100% { transform: scale(1); opacity: 1; }
}

/* ============================= */
/* INPUT */
/* ============================= */
input {
    padding: 12px;
    width: 85%;
    margin: 18px 0;
    border-radius: 8px;
    border: 1px solid #ccc;
    text-align: center;
    font-size: 16px;
    outline: none;
}

input:focus {
    border-color: #2e7d32;
    box-shadow: 0 0 5px rgba(46,125,50,0.3);
}

/* ============================= */
/* BUTTON BASE STYLE */
/* ============================= */
button {
    width: 220px;
    height: 65px;
    margin: 10px 0;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    color: white;
    transition: 0.3s ease;
}

button:hover {
    opacity: 0.85;
    transform: translateY(-3px);
}

/* ============================= */
/* DIFFICULTY BUTTONS */
/* ============================= */
.diff-btn:nth-of-type(1) {
    background: #2e7d32;   /* Easy */
}

.diff-btn:nth-of-type(2) {
    background: #1565c0;   /* Medium */
}

.diff-btn:nth-of-type(3) {
    background: #c62828;   /* Hard */
}

/* ============================= */
/* GAME BUTTONS */
/* ============================= */
#submitBtn {
    background: #2e7d32;
}

#playAgainBtn {
    background: #c62828;
}

#homeBtn {
    background: #2e7d32;
}

/* ============================= */
/* DIFFICULTY HEADING */
/* ============================= */
#difficultySection h2 {
    font-size: 28px;
    margin-bottom: 25px;
    color: brown;
}

/* ============================= */
/* RESPONSIVE */
/* ============================= */
@media (max-width: 500px) {
    h1 {
        font-size: 32px;
        white-space: normal;
    }

    .container p,
    #message {
        white-space: normal;
        font-size: 18px;
    }

    button {
        width: 100%;
    }
}