/* NIVO guide dialog and local chat prototype. Moved out of styles.css on
   2026-10-06 because only the homepage shows the guide. Uses the page's
   tokens: --surface --bg --line --muted --ink --accent-text --button --button-ink. */
.guide{width:min(580px,calc(100% - 32px));max-height:calc(100dvh - 32px);margin:auto;padding:0;border:1px solid var(--line);border-radius:20px;background:var(--surface);color:var(--ink);box-shadow:0 24px 90px #0004;overscroll-behavior:contain;text-align:start}
.guide::backdrop{background:#090e1b99}
body:has(.guide[open]){overflow:hidden}
.guide__header{position:sticky;top:0;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:1rem;background:var(--surface);padding:1rem 1.4rem;border-block-end:1px solid var(--line)}
.guide__header h2{font-size:1.2rem;font-weight:600}
.guide__close{width:44px;height:44px;flex:none;border:1px solid var(--line);border-radius:50%;font-size:1.5rem;background:var(--bg);color:var(--ink)}
.guide__body{padding:1.25rem 1.4rem 1.5rem}
.guide__notice,.guide__note{font-size:.8125rem;line-height:1.9;color:var(--muted)}
.guide__search{display:grid;gap:.5rem;font-size:.875rem;margin-block:1.25rem .5rem;font-weight:500}
.guide__search input{min-width:0;width:100%;min-height:48px;font:inherit;padding:.75rem;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink)}
.guide__search input::placeholder{color:var(--muted);opacity:1}
.guide__search input:focus-visible{outline:3px solid var(--accent-text);outline-offset:2px}
.guide__results{display:flex;align-items:center;justify-content:space-between;gap:.5rem;min-height:44px;font-size:.75rem;color:var(--muted)}
.guide__results button{border:0;background:none;color:var(--accent-text);min-height:44px;padding:.25rem;text-decoration:underline}
.guide__topic{border-block-end:1px solid var(--line)}
.guide__topic summary{padding:1rem .25rem;cursor:pointer;font-size:.9375rem;font-weight:500;min-height:48px}
.guide__topic summary:focus-visible{outline:3px solid var(--accent-text);outline-offset:2px}
.guide__topic[open]{padding-inline:.75rem;background:var(--bg);border-radius:10px}
.guide__answer{padding:0 .25rem 1rem;font-size:.875rem;line-height:1.9}
.guide__answer a{display:inline-flex;gap:.6rem;align-items:center;min-height:44px;margin-block-start:.5rem;color:var(--accent-text);text-decoration:underline;text-underline-offset:4px}
.guide__note{margin-block:1.25rem .75rem}
.guide__contact{display:inline-flex;align-items:center;min-height:44px;gap:.5rem;font-size:.875rem;text-decoration:underline;text-underline-offset:4px}
@media(max-width:600px){.guide{width:calc(100% - 16px);max-height:calc(100dvh - 16px);border-radius:16px}.guide__header{padding:.75rem 1rem}.guide__body{padding:1rem}.guide__topic summary{font-size:.875rem}}
@media(prefers-reduced-motion:no-preference){.guide[open]{animation:guide-arrive .18s ease-out}@keyframes guide-arrive{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}}

/* Local conversation prototype; topic browsing remains the network-free path. */
.guide-chat__toggle{min-height:44px;margin-block:1rem .5rem;padding:.5rem .75rem;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--accent-text);text-align:start}
.guide--chatting .guide__search,.guide--chatting .guide__results,.guide--chatting .guide__topics,.guide--chatting .guide__note,.guide--chatting [data-guide-empty]{display:none}
.guide-chat__badge,.guide-chat__status{font-size:.75rem;color:var(--muted);line-height:1.8}
.guide-chat__about{font-size:.75rem;color:var(--muted);line-height:1.8}
.guide-chat__about summary{display:flex;align-items:center;min-height:44px;cursor:pointer;text-decoration:underline;text-underline-offset:4px}
.guide-chat__about[open] p{margin-block-end:1rem}
.guide-chat__message{margin-block:1rem;padding:1rem;border:1px solid var(--line);border-radius:12px;overflow-wrap:anywhere;line-height:1.9;font-size:.875rem;scroll-margin-block:5rem 1rem}
.guide-chat__message h3{font-size:.75rem;color:var(--muted);font-weight:500;margin:0 0 .4rem}
.guide-chat__message--user{background:var(--bg);margin-inline-start:1.5rem}
.guide-chat__answer{margin-block-start:.75rem}
.guide-chat__answer h4{font-size:.875rem;margin:0 0 .5rem}
.guide-chat__answer a{display:inline-flex;align-items:center;min-height:44px;color:var(--accent-text);text-decoration:underline;text-underline-offset:4px}
.guide-chat__message button{display:block;text-align:start;min-height:44px;width:100%;margin-block-start:.5rem;padding:.75rem;background:var(--bg);border:1px solid var(--line);border-radius:8px;color:var(--ink)}
.guide-chat form{display:grid;gap:.5rem;margin-block:1rem .5rem;font-size:.875rem}
.guide-chat textarea{resize:vertical;min-height:90px;max-height:180px;width:100%;font:inherit;padding:.75rem;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--ink)}
.guide-chat textarea::placeholder{color:var(--muted);opacity:1}
.guide-chat textarea:focus-visible{outline:3px solid var(--accent-text);outline-offset:2px}
.guide-chat__actions{display:flex;flex-wrap:wrap;gap:.5rem}
.guide-chat__actions button{min-height:44px;padding:.5rem .75rem;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);font-size:.8125rem}
.guide-chat__actions button[type=submit]{background:var(--button);color:var(--button-ink);border-color:var(--button)}
.guide-chat button:disabled{opacity:.5;cursor:wait}