:root {
    --sss-navy: #0d1f35;
    --sss-cyan: #41b3d3;
    --sss-blue: #1470af;
}
.sss-tool {
    max-width: 760px;
    margin: 1.5em auto;
    padding: 1.5em;
    border: 1px solid rgba(13, 31, 53, .1);
    border-radius: 12px;
    background: #fff;
    color: var(--sss-navy);
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    box-shadow: 0 2px 8px rgba(13, 31, 53, .04);
}
.sss-tool label { display: block; font-weight: 600; margin: .75em 0 .35em; }
.sss-row { display: flex; gap: .5em; flex-wrap: wrap; }
.sss-input {
    flex: 1; min-width: 200px;
    padding: .65em .85em;
    border: 1px solid rgba(13, 31, 53, .25);
    border-radius: 8px;
    font-size: 1em; color: var(--sss-navy); background: #fff;
}
.sss-input:focus { outline: 2px solid var(--sss-cyan); border-color: var(--sss-cyan); }
.sss-input--small { flex: 0 0 200px; }
.sss-btn {
    background: var(--sss-blue); color: #fff;
    border: 0; padding: .7em 1.3em;
    border-radius: 8px; cursor: pointer;
    font-weight: 600; font-size: 1em;
    transition: background .15s;
}
.sss-btn:hover { background: var(--sss-navy); }
.sss-btn:disabled { opacity: .5; cursor: not-allowed; }
.sss-note { font-size: .85em; color: rgba(13, 31, 53, .6); margin-top: .75em; line-height: 1.45; }
.sss-result { margin-top: 1em; }
.sss-result:empty { display: none; }
.sss-result h4 { margin: 1em 0 .25em; color: var(--sss-navy); }
.sss-result table { width: 100%; border-collapse: collapse; margin-top: .5em; }
.sss-result th, .sss-result td {
    padding: .5em .65em; text-align: left;
    border-bottom: 1px solid rgba(13, 31, 53, .08);
    font-size: .95em; vertical-align: top;
}
.sss-result th { background: rgba(65, 179, 211, .08); font-weight: 600; }
.sss-result code { background: rgba(13, 31, 53, .05); padding: 1px 5px; border-radius: 4px; font-size: .9em; word-break: break-all; }
.sss-result pre { background: rgba(13, 31, 53, .04); padding: .75em; border-radius: 6px; overflow-x: auto; font-size: .85em; }
.sss-result details { margin: .35em 0; }
.sss-result summary { cursor: pointer; font-weight: 600; padding: .35em 0; }
.sss-result ul { margin: .5em 0 .5em 1.25em; }
.sss-pass { color: #1a7a3f; font-weight: 600; }
.sss-fail { color: #b3261e; font-weight: 600; }
.sss-warn { color: #b35a00; font-weight: 600; }
.sss-score { font-size: 2.2em; font-weight: 700; color: var(--sss-blue); line-height: 1; }
.sss-score-bar {
    width: 100%; height: 12px;
    background: rgba(13, 31, 53, .08);
    border-radius: 6px; overflow: hidden;
    margin: .5em 0 1em;
}
.sss-score-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--sss-cyan), var(--sss-blue));
    transition: width .4s;
}
.sss-loading { color: var(--sss-blue); font-style: italic; padding: .5em 0; }
.sss-error {
    color: #b3261e;
    padding: .75em 1em;
    background: rgba(179, 38, 30, .08);
    border-left: 3px solid #b3261e;
    border-radius: 4px;
}
.sss-radio { display: inline-block; margin-right: 1em; font-weight: 400; }
.sss-assessment fieldset {
    border: 0; padding: .75em 0;
    border-bottom: 1px solid rgba(13, 31, 53, .08);
    margin-bottom: .5em;
}
.sss-assessment legend { font-weight: 600; padding: 0; margin-bottom: .35em; }

/* Lead gate */
.sss-gate-card {
    background: linear-gradient(135deg, rgba(65, 179, 211, .06), rgba(20, 112, 175, .04));
    border: 1px solid rgba(65, 179, 211, .25);
    border-radius: 10px;
    padding: 1.5em;
}
.sss-gate-card h3 { margin: 0 0 .35em; color: var(--sss-navy); font-size: 1.4em; }
.sss-gate-card p { color: rgba(13, 31, 53, .8); margin: 0 0 1em; }
.sss-gate-card form { display: grid; gap: .75em; }
.sss-gate-card label { font-size: .85em; font-weight: 600; color: var(--sss-navy); }
.sss-gate-card input { width: 100%; }
.sss-gate-card .sss-btn { width: 100%; padding: .85em; font-size: 1.05em; }

/* Index grid */
.sss-index {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1em;
    margin: 1.5em 0;
}
.sss-index-card {
    display: block;
    padding: 1.25em;
    border: 1px solid rgba(13, 31, 53, .12);
    border-radius: 10px;
    text-decoration: none;
    color: var(--sss-navy);
    background: #fff;
    transition: transform .15s, border-color .15s;
}
.sss-index-card:hover {
    transform: translateY(-2px);
    border-color: var(--sss-cyan);
    box-shadow: 0 4px 12px rgba(13, 31, 53, .08);
}
.sss-index-card h3 { margin: 0 0 .35em; color: var(--sss-blue); font-size: 1.1em; }
.sss-index-card p { margin: 0; font-size: .9em; color: rgba(13, 31, 53, .7); }

.sss-pill {
    display: inline-block;
    padding: .15em .55em;
    border-radius: 999px;
    font-size: .8em; font-weight: 600;
    background: rgba(65, 179, 211, .15);
    color: var(--sss-blue);
}