/* Seasonal accent colours (assets/season.js sets html[data-season]; A/B slot "season").
   Every accent keeps WCAG AA contrast: >= 5.4:1 on the light background, >= 7.4:1 on the dark one. */
html[data-season="thanksgiving"]{--accent:#8f2f1c;--soft:#f6e5d3;--gold:#7a5a14;--b1:#d9752b;--b2:#ecd29a;--b3:#8f2f1c;--b4:#c9962e;--b5:#b5541c;--b6:#6b4a24}
html[data-season="halloween"]{--accent:#a3470d;--soft:#f8e6d6;--gold:#7a5310;--b1:#f08a3c;--b2:#2b2230;--b3:#f6c47a;--b4:#6b3fa0;--b5:#c45a14;--b6:#3a2c42}
html[data-season="autumn"]{--accent:#8a3b1a;--soft:#f5e3d6;--gold:#7a5a14;--b1:#c8693a;--b2:#efd9b8;--b3:#a4793d;--b4:#e2b46a;--b5:#7b3416;--b6:#8a8f4e}
html[data-season="christmas"]{--accent:#9e1f2b;--sage:#1f5a35;--soft:#f4e4e1;--gold:#8a6420;--b1:#c8303d;--b2:#f1e6d4;--b3:#2f7a4a;--b4:#d9b465;--b5:#8e1b26;--b6:#1f5a35}
html[data-season="newyear"]{--accent:#7a5c10;--soft:#f1ead8;--gold:#7a5c10;--b1:#d9b465;--b2:#ece7df;--b3:#9aa0a6;--b4:#2b2230;--b5:#b8902f;--b6:#5c5f63}
html[data-season="valentine"]{--accent:#b0234c;--soft:#f9e1e7;--b1:#e8607f;--b2:#f9d6de;--b3:#c4314f;--b4:#f3b6c3;--b5:#8f1d3d;--b6:#e9c9cf}
html[data-season="spring"]{--accent:#6a4c9c;--sage:#3f6b3c;--soft:#ece6f5;--b1:#c7b3ee;--b2:#f6efc9;--b3:#b9dcb0;--b4:#f5c6d6;--b5:#7d5fb3;--b6:#8fbf86}
html[data-season="canada"]{--accent:#a8192b;--soft:#fbe4e6;--b1:#d52b1e;--b2:#f7f2f0;--b3:#f2c4c8;--b4:#ffffff;--b5:#a8192b;--b6:#e9e4e2}
html[data-season="summer"]{--accent:#b0402b;--soft:#fbe6dd;--b1:#ff9b7a;--b2:#ffe2a8;--b3:#7fc4c0;--b4:#f6c36b;--b5:#d0583f;--b6:#4f9e98}
html[data-season="fall"]{--accent:#8c4a1d;--soft:#f5e6d8;--b1:#d0814a;--b2:#f1dcc0;--b3:#9d8a4a;--b4:#e6b878;--b5:#8c4a1d;--b6:#6f7d45}
@media (prefers-color-scheme: dark){
  html:not([data-theme="light"])[data-season="thanksgiving"]{--accent:#f5a06b;--soft:#2b1e16;--gold:#e8c27e}
  html:not([data-theme="light"])[data-season="halloween"]{--accent:#ff9d57;--soft:#2a1d17;--gold:#f0b860}
  html:not([data-theme="light"])[data-season="autumn"]{--accent:#f0a07a;--soft:#2a1e18;--gold:#e8c27e}
  html:not([data-theme="light"])[data-season="christmas"]{--accent:#ff8a8f;--sage:#8fd1a4;--soft:#2a1a1d;--gold:#e8c27e}
  html:not([data-theme="light"])[data-season="newyear"]{--accent:#e8c27e;--soft:#26211a;--gold:#e8c27e}
  html:not([data-theme="light"])[data-season="valentine"]{--accent:#ff9db8;--soft:#2c1a22}
  html:not([data-theme="light"])[data-season="spring"]{--accent:#c7b3ee;--sage:#a9c8a4;--soft:#231d2e}
  html:not([data-theme="light"])[data-season="canada"]{--accent:#ff9494;--soft:#2b1a1c}
  html:not([data-theme="light"])[data-season="summer"]{--accent:#ffa58e;--soft:#2b1d1a}
  html:not([data-theme="light"])[data-season="fall"]{--accent:#f0ad7a;--soft:#2a1f18}
}
html[data-theme="dark"][data-season="thanksgiving"]{--accent:#f5a06b;--soft:#2b1e16;--gold:#e8c27e}
html[data-theme="dark"][data-season="halloween"]{--accent:#ff9d57;--soft:#2a1d17;--gold:#f0b860}
html[data-theme="dark"][data-season="autumn"]{--accent:#f0a07a;--soft:#2a1e18;--gold:#e8c27e}
html[data-theme="dark"][data-season="christmas"]{--accent:#ff8a8f;--sage:#8fd1a4;--soft:#2a1a1d;--gold:#e8c27e}
html[data-theme="dark"][data-season="newyear"]{--accent:#e8c27e;--soft:#26211a;--gold:#e8c27e}
html[data-theme="dark"][data-season="valentine"]{--accent:#ff9db8;--soft:#2c1a22}
html[data-theme="dark"][data-season="spring"]{--accent:#c7b3ee;--sage:#a9c8a4;--soft:#231d2e}
html[data-theme="dark"][data-season="canada"]{--accent:#ff9494;--soft:#2b1a1c}
html[data-theme="dark"][data-season="summer"]{--accent:#ffa58e;--soft:#2b1d1a}
html[data-theme="dark"][data-season="fall"]{--accent:#f0ad7a;--soft:#2a1f18}
/* a thin seasonal ribbon across the top of every page */
html[data-season] body::before{content:"";display:block;height:5px;background:linear-gradient(90deg,var(--b1),var(--b4),var(--b3),var(--b5),var(--b1))}