*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #FFE29F 0%, #FFA99F 100%);
    color: #5B3A00;
    margin: 0;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}

main {
    background: #fff8e1;
    padding: 2rem 2.5rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(255, 160, 160, 0.3);
    max-width: 400px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

h1 {
    text-align: center;
    margin: 0 0 1rem 0;
    font-weight: 700;
    color: #d35d00;
}

label {
    display: block;
    margin-top: 1rem;
    font-weight: 600;
    color: #7f4a00;
    width: 100%;
}

input[type=number] {
    width: 100%;
    padding: 0.5rem 0.7rem;
    font-size: 1rem;
    border-radius: 8px;
    border: 1.5px solid #d97400;
    margin-top: 0.3rem;
    transition: border-color 0.3s ease;
}

input[type=number]:focus {
    outline: none;
    border-color: #ffa94d;
    box-shadow: 0 0 5px #ffa94d;
}

button {
    margin-top: 1.8rem;
    width: 100%;
    padding: 0.75rem;
    font-size: 1.1rem;
    font-weight: 700;
    border: none;
    border-radius: 12px;
    background: linear-gradient(45deg, #ffb347, #ffcc33);
    color: #5b3a00;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(255, 204, 51, 0.6);
    transition: background 0.3s ease, transform 0.1s ease;
}

button:hover:not(:disabled) {
    background: linear-gradient(45deg, #ffcc33, #ffb347);
}

button:active:not(:disabled) {
    transform: scale(0.98);
}

button:disabled {
    background: #ddd;
    color: #999;
    cursor: not-allowed;
    box-shadow: none;
}

#result {
    margin-top: 2rem;
    padding: 1rem;
    background: #fff3cd;
    border: 1px solid #ffecb5;
    border-radius: 12px;
    font-size: 1.1rem;
    color: #5b3a00;
    min-height: 3rem;
    white-space: pre-wrap;
    width: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    justify-content: center;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.emoji {
    font-size: 2.2rem;
    line-height: 1;
    display: block;
    max-width: 100%;
    text-align: center;

    overflow: hidden;
}

.details {
    font-size: 0.9rem;
    color: #7f4a00;
}

.timestamp {
    font-size: 0.8rem;
    color: #a18a68;
    margin-top: 0.3rem;
}

#footer-copy {
    margin-top: 1rem;
    color: #5b3a00;
    font-size: 0.9rem;
    text-align: center;
    -webkit-user-select: none;
    user-select: none;
    width: 100%;
}

a {
    color: #7f4a00;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

a:hover {
    color: #d35d00;
    text-decoration: underline;
}

@media (max-width: 480px) {
    main {
        padding: 1.5rem 1.8rem;
        max-width: 320px;
    }
    button {
        font-size: 1rem;
        padding: 0.6rem;
    }

    .emoji {
        font-size: 2rem;
    }
}

@media (max-height: 500px) {
    body {
        align-items: flex-start;
    }
}