:root {
    --bg: #101418;
    --panel: #171d23;
    --panel-2: #1d252d;
    --text: #e8eef5;
    --muted: #9aa8b5;
    --line: #2b3641;
    --accent: #4da3ff;
    --accent-2: #7fc0ff;
    --danger: #ff6b6b;
    --ok: #47d18c;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: radial-gradient(circle at top, #1b2835 0, var(--bg) 45%);
    color: var(--text);
}

a {
    color: inherit;
}

.topbar {
    border-bottom: 1px solid var(--line);
    padding: 40px 24px 32px;
    background: rgba(16, 20, 24, 0.75);
}

.topbar > div,
.container {
    max-width: 1180px;
    margin: 0 auto;
}

.eyebrow {
    color: var(--accent-2);
    text-transform: uppercase;
    letter-spacing: 0.14em;
    font-size: 0.8rem;
    font-weight: 700;
}

h1 {
    margin: 8px 0 10px;
    font-size: clamp(2rem, 5vw, 4rem);
    line-height: 1;
}

h2 {
    margin-top: 0;
}

h3 {
    margin: 0 0 10px;
}

p {
    color: var(--muted);
    line-height: 1.6;
}

.container {
    padding: 28px 24px 60px;
}

.panel {
    background: rgba(23, 29, 35, 0.92);
    border: 1px solid var(--line);
    padding: 24px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.card {
    display: block;
    position: relative;
    min-height: 170px;
    padding: 20px;
    text-decoration: none;
    background: var(--panel-2);
    border: 1px solid var(--line);
}

.card:hover {
    border-color: var(--accent);
}

.badge {
    display: inline-block;
    margin-bottom: 18px;
    padding: 4px 8px;
    border: 1px solid var(--accent);
    color: var(--accent-2);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.version {
    display: inline-block;
    margin-top: 12px;
    color: var(--muted);
    font-size: 0.85rem;
}

.footer {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px 32px;
    color: var(--muted);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}

label {
    display: block;
    font-weight: 700;
    margin-bottom: 6px;
}

input,
select,
textarea,
button {
    width: 100%;
    border-radius: 0;
    border: 1px solid var(--line);
    background: #0f1419;
    color: var(--text);
    padding: 11px 12px;
    font: inherit;
}

textarea {
    min-height: 160px;
    resize: vertical;
    font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
}

button {
    cursor: pointer;
    border-color: var(--accent);
    background: #123456;
    font-weight: 700;
}

button:hover {
    background: #17436d;
}

.output {
    margin-top: 20px;
}

.output-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.small-btn {
    width: auto;
    padding: 7px 10px;
    font-size: 0.9rem;
}

.muted {
    color: var(--muted);
}

.backlink {
    display: inline-block;
    margin-bottom: 20px;
    color: var(--accent-2);
    text-decoration: none;
}

.backlink:hover {
    text-decoration: underline;
}