@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&family=Playfair+Display:ital,wght@0,700;1,700&display=swap');

:root {
    --bg-paper: #f4f1ea;
    --ink-black: #1a1a1a;
    --highlight: #ff4d4d;
    --border-thick: 2px solid var(--ink-black);
    --hard-shadow: 5px 5px 0px var(--ink-black);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'JetBrains Mono', monospace;
    background-color: var(--bg-paper);
    color: var(--ink-black);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    padding: 40px 20px;
    gap: 1.5rem;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.05'/%3E%3C/svg%3E");
}

h1 {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    font-weight: 700;
    font-style: italic;
    text-align: center;
    margin-bottom: 0.5rem;
    text-decoration: underline;
    text-decoration-color: var(--highlight);
    text-decoration-thickness: 3px;
    text-underline-offset: 6px;
}

input[type="url"] {
    width: 100%;
    max-width: 450px;
    padding: 16px 20px;
    font-size: 1rem;
    font-family: 'JetBrains Mono', monospace;
    background-color: #ffffff;
    border: var(--border-thick);
    border-radius: 0;
    outline: none;
    box-shadow: var(--hard-shadow);
    transition: all 0.2s ease;
}

input[type="url"]:focus {
    transform: translate(2px, 2px);
    box-shadow: 3px 3px 0px var(--ink-black);
    border-color: var(--highlight);
}

button#get-btn {
    padding: 18px 36px;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    background-color: var(--ink-black);
    color: #ffffff;
    border: var(--border-thick);
    box-shadow: 6px 6px 0px var(--highlight);
    transition: all 0.15s ease;
}

button#get-btn:hover {
    transform: translate(-2px, -2px);
    box-shadow: 8px 8px 0px var(--highlight);
}

button#get-btn:active {
    transform: translate(4px, 4px);
    box-shadow: 0px 0px 0px var(--highlight);
}

#thumbnails {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    width: 100%;
    max-width: 1000px;
    margin-top: 2rem;
    text-align: center;
}

.thumbnail-box {
    background: #ffffff;
    border: var(--border-thick);
    padding: 12px;
    box-shadow: var(--hard-shadow);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 12px;
    transition: transform 0.2s ease;
}

.thumbnail-box:hover {
    transform: translateY(-4px);
    border-color: var(--highlight);
}

.thumbnail-box img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-bottom: var(--border-thick);
    background-color: #eee;
}

.thumbnail-box button {
    display: block;
    width: 100%;
    text-align: center;
    padding: 12px 0;
    text-decoration: none;
    font-family: 'JetBrains Mono', monospace;
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    background: transparent;
    color: var(--ink-black);
    border: var(--border-thick);
    transition: all 0.2s ease;
}

.thumbnail-box button:hover {
    background: var(--ink-black);
    color: #ffffff;
    cursor: pointer;
}

@media (max-width: 600px) {
    h1 { font-size: 2.2rem; }
    input[type="url"], button#get-btn { width: 100%; }
    #thumbnails { grid-template-columns: 1fr; }
}