:root {
    --bg: #fafafa;
    --fg: #222;
    --muted: #888;
    --border: #ccc;
    --accent: #222;
    --accent-fg: #fafafa;
    --error: #c0392b;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #161616;
        --fg: #eee;
        --muted: #888;
        --border: #444;
        --accent: #eee;
        --accent-fg: #161616;
        --error: #ff6b5b;
    }
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    background-color: var(--bg);
    color: var(--fg);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.container {
    display: flex;
    flex-flow: column nowrap;
    align-items: center;
    gap: 1.5rem;

    max-width: 44rem;
    margin: 0 auto;
    padding: 6vh 1rem 25vh;
}

h1 {
    margin: 0;
    font-weight: 300;
    font-size: 2rem;
    letter-spacing: 0.05em;
}

form {
    display: flex;
    flex-flow: column nowrap;
    align-items: center;
    gap: 30px;
    width: 100%;
}

input, button {
    font: inherit;
    padding: 0.7rem 1rem;
    border-radius: 6px;
}

.input-wrap {
    position: relative;
    width: 100%;
}

input {
    width: 100%;
    padding-right: 2.75rem; /* room for the clear button */
    border: 1px solid var(--border);
    background: transparent;
    color: var(--fg);
}

input::placeholder {
    color: var(--muted);
}

input:focus, button:focus-visible {
    outline: 2px solid var(--fg);
    outline-offset: 2px;
}

button {
    border: 1px solid var(--accent);
    background: var(--accent);
    color: var(--accent-fg);
    cursor: pointer;
}

button:hover {
    opacity: 0.85;
}

.clear {
    position: absolute;
    top: 50%;
    right: 0.4rem;
    transform: translateY(-50%);

    width: 2rem;
    height: 2rem;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: var(--muted);
    font-size: 1.5rem;
    line-height: 1;
}

.clear:hover {
    opacity: 1;
    color: var(--fg);
}

.clear[hidden] {
    display: none;
}

.message {
    margin: 0;
    min-height: 1.2em;
    color: var(--error);
}

canvas {
    width: min(100%, 288px);
    height: auto;
    image-rendering: pixelated;
    border-radius: 6px;
}

canvas[hidden] {
    display: none;
}

/* ---- URL parser report ---- */

.container {
    max-width: 56rem;
}

#url-form {
    gap: 0;
}

#url-text {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.9rem;
}

.report {
    width: 100%;
    display: flex;
    flex-flow: column nowrap;
    gap: 1rem;
}

.report[hidden] {
    display: none;
}

.card {
    border: 1px solid var(--border);
    border-radius: 10px;
}

.card h2 {
    margin: 0;
    padding: 0.6rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
}

.card h2 .count {
    font-weight: 400;
    letter-spacing: 0;
}

.row {
    display: grid;
    grid-template-columns: 11rem 1fr;
    gap: 1rem;
    padding: 0.6rem 1rem;
    border-top: 1px solid var(--border);
    align-items: baseline;
}

.card h2 + .row {
    border-top: none;
}

.row .k {
    color: var(--muted);
    font-size: 0.85rem;
}

.row .v {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 0.9rem;
    overflow-wrap: anywhere;
    white-space: pre-wrap;
}

.row .v.empty {
    color: var(--muted);
    font-style: italic;
    font-family: inherit;
}

.info-wrap {
    position: relative;
    margin-left: 0.4rem;
}

.info {
    width: 1.2rem;
    height: 1.2rem;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: transparent;
    color: var(--muted);
    font: italic 0.75rem/1 Georgia, serif;
}

.info:hover, .info[aria-expanded="true"] {
    color: var(--fg);
    border-color: var(--fg);
    opacity: 1;
}

.tip {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 0;
    z-index: 1;
    width: min(22rem, 80vw);
    padding: 0.7rem 0.9rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    color: var(--fg);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
    font-size: 0.85rem;
    line-height: 1.4;
}

.tip a {
    color: inherit;
    text-decoration: underline;
}

.tip[hidden] {
    display: none;
}

.tag {
    display: inline-block;
    margin-left: 0.4rem;
    padding: 0 0.4rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--muted);
    font-family: system-ui, sans-serif;
    font-size: 0.7rem;
}

.mini {
    margin-left: 0.5rem;
    padding: 0 0.5rem;
    font-size: 0.75rem;
    font-family: system-ui, sans-serif;
    background: transparent;
    color: var(--fg);
    border: 1px solid var(--border);
    border-radius: 4px;
    text-decoration: none;
    cursor: pointer;
}

.mini:hover {
    background: var(--border);
}

@media (max-width: 36rem) {
    .row {
        grid-template-columns: 1fr;
        gap: 0.15rem;
    }
}