/* Shared editorial theme for guide pages. */
:root{color-scheme:light;--ink:#20231f;--muted:#62675f;--paper:#f6f5f0;--line:#deded7;--accent:#a45e38;--mint:#e7eee6;--dark:#314b3d}body{font-family:"Segoe UI Variable","Segoe UI","Helvetica Neue",Arial,sans-serif;letter-spacing:-.01em}.nav{min-height:72px;border-bottom:1px solid var(--line)}.nav-links{display:flex;flex:1;align-items:center;justify-content:flex-end;gap:2px}.nav-links a{display:inline-flex;align-items:center;min-height:38px;border:1px solid transparent;border-radius:6px;padding:8px 10px;color:var(--muted);font-size:.9rem;font-weight:650;text-decoration:none}.nav-links a:hover{border-color:var(--line);background:var(--mint);color:var(--ink)}.brand b{border-radius:6px;background:var(--ink)}.hero{background:var(--paper);color:var(--ink);border-bottom:1px solid var(--line)}.eyebrow{color:var(--accent)}.hero h1{font-family:Georgia,"Times New Roman",serif;font-weight:500;letter-spacing:-.04em;line-height:.98}.dek{color:var(--muted)}h2{font-family:Georgia,"Times New Roman",serif;font-weight:500;letter-spacing:-.03em}.lead{color:var(--ink)}.callout,.notice{border-color:var(--line);border-radius:10px;background:var(--mint)}.notice,.formula{background:#f4eae3;border-color:var(--accent)}.formula{border-left-color:var(--accent)}.button{border-radius:6px;background:var(--ink)}footer{background:var(--ink);color:#d8d9d2}.source-list a{color:var(--dark)}:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
@media(prefers-color-scheme:dark){html:not([data-theme]){color-scheme:dark;--ink:#f0efe8;--muted:#b6b8ae;--paper:#151714;--line:#3b403a;--accent:#e5a47f;--mint:#273329;--dark:#c4d6bb}html:not([data-theme]) .nav,html:not([data-theme]) .hero{background:#151714}html:not([data-theme]) .callout{background:#273329}html:not([data-theme]) .notice,html:not([data-theme]) .formula{background:#3a2b25}html:not([data-theme]) .button{background:#f0efe8;color:#151714!important}html:not([data-theme]) footer{background:#20231f}}
@media(max-width:700px){.nav{flex-wrap:wrap}.nav-links{order:3;flex-basis:100%;justify-content:flex-start;overflow-x:auto}.nav-links a,.theme-toggle{min-height:44px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}}
html[data-theme="dark"]{color-scheme:dark;--ink:#f0efe8;--muted:#b6b8ae;--paper:#151714;--line:#3b403a;--accent:#e5a47f;--mint:#273329;--dark:#c4d6bb}html[data-theme="dark"] .nav,html[data-theme="dark"] .hero{background:#151714}html[data-theme="dark"] .callout{background:#273329}html[data-theme="dark"] .notice,html[data-theme="dark"] .formula{background:#3a2b25}html[data-theme="dark"] .button{background:#f0efe8;color:#151714!important}html[data-theme="dark"] footer{background:#20231f}.theme-toggle{min-width:44px;min-height:38px;border:1px solid var(--line);border-radius:6px;background:transparent;color:var(--ink);cursor:pointer;font-size:.72rem;font-weight:750;letter-spacing:.04em}.theme-toggle:hover{background:var(--mint)}
html[data-theme="light"]{color-scheme:light;--ink:#20231f;--muted:#62675f;--paper:#f6f5f0;--line:#deded7;--accent:#a45e38;--mint:#e7eee6;--dark:#314b3d}html[data-theme="light"] .nav,html[data-theme="light"] .hero{background:#f6f5f0}html[data-theme="light"] .callout{background:#e7eee6}html[data-theme="light"] .notice,html[data-theme="light"] .formula{background:#f4eae3}html[data-theme="light"] .button{background:#20231f;color:#fff!important}html[data-theme="light"] footer{background:#20231f}