:root {
    font-family: Inter, system-ui, sans-serif;
    background: #f5f6f8;
    color: #17191d;
}
* { box-sizing: border-box; }
body { margin: 0; }
header {
    background: #15171b;
    color: #fff;
    padding: 22px 30px;
}
main {
    max-width: 1180px;
    margin: auto;
    padding: 34px 22px 60px;
}
.hero, .card, .notice {
    background: #fff;
    border: 1px solid #e0e3e8;
    border-radius: 12px;
    padding: 22px;
}
.grid {
    display: grid;
    grid-template-columns:
        repeat(auto-fit,minmax(280px,1fr));
    gap: 14px;
}
.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.button, button {
    display: inline-block;
    padding: 10px 15px;
    border-radius: 8px;
    border: 0;
    background: #17191d;
    color: #fff;
    text-decoration: none;
    font-weight: 650;
    cursor: pointer;
}
.button.secondary {
    color: #17191d;
    background: #fff;
    border: 1px solid #ccd1d8;
}
.badge {
    display: inline-block;
    margin: 3px 4px 3px 0;
    padding: 4px 8px;
    border-radius: 999px;
    background: #eef0f3;
    font-size: 12px;
}
.module {
    margin-top: 9px;
    padding: 10px;
    background: #f3f5f7;
    border-radius: 7px;
}
.muted { color: #686e77; }
.meta {
    font-family: ui-monospace, monospace;
    font-size: 12px;
    overflow-wrap: anywhere;
}
form {
    display: grid;
    gap: 10px;
}
label {
    font-size: 13px;
    font-weight: 650;
}
input, select {
    width: 100%;
    padding: 9px 10px;
    border: 1px solid #cfd4dc;
    border-radius: 7px;
    background: #fff;
}
section + section {
    margin-top: 18px;
}
h1 { margin-top: 0; }
h2 { margin-top: 32px; }
h3 { margin-bottom: 10px; }
.success {
    border-color: #9ec9a7;
}
.error {
    border-color: #d5a2a2;
}
.secret {
    font-family: ui-monospace, monospace;
    overflow-wrap: anywhere;
    padding: 12px;
    background: #f2f4f6;
    border-radius: 7px;
}
table {
    border-collapse: collapse;
    width: 100%;
    font-size: 13px;
}
th, td {
    text-align: left;
    border-bottom: 1px solid #e3e6ea;
    padding: 8px 6px;
}
@media (max-width: 680px) {
    header { padding: 18px; }
    main { padding: 22px 14px 48px; }
}