/* ── Winter ── */
[data-season="winter"] {
    --bg:     #0a0f1e;
    --accent: #7ab8f5;
    --surface: rgba(122,184,245,0.06);
    --border:  rgba(122,184,245,0.15);
}

/* ── Spring ── */
[data-season="spring"] {
    --bg:     #0d1a0f;
    --accent: #7edd8a;
    --surface: rgba(126,221,138,0.06);
    --border:  rgba(126,221,138,0.15);
}

/* ── Summer ── */
[data-season="summer"] {
    --bg:     #1a1200;
    --accent: #f7c948;
    --surface: rgba(247,201,72,0.06);
    --border:  rgba(247,201,72,0.15);
}

/* ── Autumn ── */
[data-season="autumn"] {
    --bg:     #1a0d00;
    --accent: #e8813a;
    --surface: rgba(232,129,58,0.06);
    --border:  rgba(232,129,58,0.15);
}

/* ── Christmas ── */
[data-season="xmas"] {
    --bg:     #0a1a0a;
    --accent: #e84040;
    --surface: rgba(232,64,64,0.06);
    --border:  rgba(232,64,64,0.15);
}

/* ── Halloween ── */
[data-season="halloween"] {
    --bg:     #0f0800;
    --accent: #f77f00;
    --surface: rgba(247,127,0,0.07);
    --border:  rgba(247,127,0,0.2);
}