:root {
    --color-white: #fff;
    --color-black: #000;
    --color-gray: #ddd;
    --border-thick: 3px solid #000;
    --font-main: "Courier New", Courier, monospace;
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--color-gray);
    font-family: var(--font-main);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
}

main {
    background: var(--color-white);
    border: var(--border-thick);
    box-shadow: 10px 10px 0px var(--color-black);
    width: 100%;
    max-width: 450px;
    margin: auto;
}

.title-bar {
    background: var(--color-black);
    color: var(--color-white);
    padding: 8px 12px;
    font-size: 14px;
    font-weight: bold;
    display: flex;
    justify-content: space-between;
    border-bottom: var(--border-thick);
}

.window-content {
    padding: clamp(15px, 5vw, 30px);
}

form {
    display: flex;
    flex-direction: row;
    gap: 0;
    border-bottom: var(--border-thick);
    padding-bottom: 25px;
    margin-bottom: 25px;
}

#city-input {
    flex-grow: 1;
    border: var(--border-thick);
    padding: 12px;
    font-family: var(--font-main);
    font-size: 16px;
    outline: none;
    width: 100%;
}

#search-btn {
    background: var(--color-black);
    color: var(--color-white);
    border: var(--border-thick);
    border-left: none;
    padding: 12px 20px;
    cursor: pointer;
    font-family: var(--font-main);
    font-weight: bold;
    font-size: 16px;
    transition: background 0.1s;
}

#search-btn:active {
    background: var(--color-gray);
    color: var(--color-black);
}

#weather-result h2 {
    font-size: 1.5rem;
    margin: 0 0 15px 0;
    text-transform: uppercase;
}

#weather-result p {
    margin: 10px 0;
    font-size: 1rem;
    display: flex;
    justify-content: space-between;
    border-bottom: 1px dashed var(--color-black);
    padding-bottom: 4px;
}

#weather-result img {
    filter: grayscale(1) contrast(300%);
    image-rendering: pixelated;
    border: var(--border-thick);
    padding: 8px;
    margin: 0 auto 20px auto;
    display: block;
    width: 120px;
    background: #939393;
}

@media (max-width: 400px) {
    form {
        flex-direction: column;
        gap: 10px;
    }

    #search-btn {
        border-left: var(--border-thick);
        width: 100%;
    }

    main {
        box-shadow: 6px 6px 0px var(--color-black);
    }
}