:root{
    --bg:#0f1724;
    --card:#0b1220;
    --muted:#9aa4b2;
    --accent:#60a5fa;
    --glass: rgba(255,255,255,0.03);
    --radius:12px;
    --gap:12px;
    color-scheme: dark;
}
html,body{height:100%;}
body{
    margin:0;
    font-family: 'Moneto Grotesque', Arial, Helvetica, sans-serif;
    background: #071025;
    color: #e6eef6;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
    padding:20px;
    box-sizing:border-box;
}

.container{
    max-width:1100px;
    margin:0 auto;
    display:flex;
    flex-direction:column;
    gap:18px;
    min-height:100vh;
}

header{
    display:flex;
    gap:12px;
    align-items:center;
    justify-content:space-between;
}
.brand{
    display:flex;
    gap:12px;
    align-items:center;
}
.logo{
    width:48px;height:48px;border-radius:10px;
    background:linear-gradient(135deg,#4f46e5,#06b6d4);
    box-shadow:0 6px 24px rgba(0,0,0,0.45);
    display:flex;align-items:center;justify-content:center;font-weight:700;
    color:white;font-size:18px;
}
h1{font-size:18px;margin:0}
p.lead{margin:0;color:var(--muted);font-size:13px}

.controls{
    display:flex;
    gap:8px;
    align-items:center;
    flex-wrap:wrap;
    margin-top:6px;
}

.search {
    display:flex;
    gap:8px;
    align-items:center;
    background:var(--glass);
    padding:10px;border-radius:12px;
    width:100%;
    box-sizing:border-box;
}

input[type="search"]{
    font-family: 'Moneto Grotesque', Arial, Helvetica, sans-serif;
    appearance:none;border:0;background:transparent;color:inherit;font-size:15px;
    outline:none;width:100%;
}

.control-row{
    display:flex;gap:8px;align-items:center;
}

select,button{
    font-family: 'Moneto Grotesque', Arial, Helvetica, sans-serif;
    cursor:pointer;
    background:#00172b;border:1px solid rgba(255,255,255,0.06);
    color:inherit;padding:8px 10px;border-radius:10px;font-size:14px;
}

button.primary{
    cursor:pointer;
    background:linear-gradient(90deg,#3b82f6,#06b6d4);
    border:0;color:#00172b;font-weight:600;
    box-shadow:0 6px 18px rgba(8,145,255,0.12);
}

.meta{
    display:flex;gap:12px;align-items:center;color:var(--muted);font-size:13px;
}

main {
    display:grid;
    grid-template-columns: 1fr 340px;
    gap:18px;
    align-items:start;
    grid-template-areas: "results panel";
}

/* left content */
.results-card{
    background:linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
    border-radius:var(--radius);
    padding:14px;
    min-height:360px;
    box-shadow: 0 6px 30px rgba(2,6,23,0.6);
    grid-area: results;
}

.grid{
display:grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap:12px;
    margin-top:12px;
}
.color-tile{
    border-radius:10px;
    overflow:hidden;
    background:#111827;
    cursor:pointer;
    display:flex;flex-direction:column;
    min-height:110px;
    transition:transform .12s ease, box-shadow .12s ease;
    border:1px solid rgba(255,255,255,0.03);
}
.color-tile:hover{transform:translateY(-6px);box-shadow:0 12px 36px rgba(2,6,23,0.6);}

.swatch{
    flex:1 1 60%;
    min-height:64px;
}
.tile-info{
    padding:8px 10px;
    display:flex;flex-direction:column;gap:6px;
}
.tile-info .title{
    font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.tile-info .meta{
    font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:6px;
}

/* right panel */
.panel{
    background:linear-gradient(180deg, rgba(255,255,255,0.02), transparent);
    border-radius:var(--radius);
    padding:14px;
    position:sticky;
    top:20px;
    height:max-content;
    grid-area: panel;
    box-shadow: 0 6px 30px rgba(2,6,23,0.6);
}
.preview{
    height:120px;border-radius:10px;border:1px solid rgba(255,255,255,0.04);
    display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;
    margin-bottom:12px;
}
.details{font-size:14px;color:var(--muted);display:flex;flex-direction:column;gap:6px;}
.details .row{display:flex;justify-content:space-between;gap:10px;align-items:center;}
.copy-row{display:flex;gap:8px;margin-top:10px}

.chip{
    font-family:'Courier Modern','Courier New',Courier,monospace;
    padding:6px 8px;border-radius:8px;background:rgba(255,255,255,0.03);
    border:1px solid rgba(255,255,255,0.03);font-size:13px;
}

.footer{
    margin-top:auto;color:var(--muted);font-size:13px;display:flex;justify-content:space-between;align-items:center;
    gap:12px;flex-wrap:wrap;
}

small.hint{color:var(--muted);font-size:12px}

/* messages */
.msg{font-family:'Courier Modern','Courier New',Courier,monospace;color:var(--muted);font-size:13px;padding:8px;border-radius:10px;background:rgba(255,255,255,0.02);}

/* responsive */
@media (max-width:900px){
    main {
        grid-template-columns: 1fr;
        grid-template-areas:
            "panel"
            "results";
    }
    .panel {
        position:relative;
        top:0;
        margin-bottom:18px;
    }
}