:root{--bg:#f3f4f7;--card:#ffffff;--fg:#17191f;--muted:#6b7280;--line:#e6e8ee;--accent:#2457d6;--accent-soft:#e8eefc;--mark:#fde68a;--shadow:0 1px 2px rgba(16,24,40,.05),0 1px 3px rgba(16,24,40,.06);
 --c-cantiere:#2457d6;--c-gara:#9333ea;--c-amministrazione:#0e9f6e;--c-hr:#e3a008;--c-pec_legale:#c81e1e;--c-fornitori_ordini:#0694a2;--c-notifiche:#9ca3af;--c-newsletter:#9ca3af;--c-interno:#6b7280;--c-altro:#6b7280}
@media (prefers-color-scheme:dark){:root{--bg:#0e1015;--card:#161922;--fg:#e8eaf0;--muted:#98a2b3;--line:#262a35;--accent:#7aa2ff;--accent-soft:#1b2440;--mark:#6b5a00;--shadow:none}}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.55 Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
h1{font-size:26px;font-weight:700;letter-spacing:-.01em;margin:6px 0}h2{font-size:18px;font-weight:700;margin:0}h3{font-size:14px;font-weight:600;margin:0 0 6px}
.muted{color:var(--muted)}.small{font-size:12.5px}.eyebrow{font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
/* header */
.top{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.top-inner{max-width:1120px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;color:var(--fg);font-size:16px}.logo{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:8px;background:var(--accent);color:#fff;font-weight:800}
.top nav{display:flex;gap:4px}.top nav a{color:var(--muted);padding:6px 10px;border-radius:8px;font-weight:500}.top nav a.on,.top nav a:hover{color:var(--fg);background:var(--bg);text-decoration:none}
.search{flex:1;max-width:360px}.search input{width:100%}
.right-tools{margin-left:auto;display:flex;align-items:center;gap:14px}.langs{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;font-size:12px}
.langs a{padding:4px 9px;color:var(--muted)}.langs a.on{background:var(--accent);color:#fff}.logout{display:flex;align-items:center;gap:10px;margin:0}.who{color:var(--muted);font-size:13px}
button,.btn{font:inherit;font-weight:600;padding:7px 13px;border-radius:9px;border:1px solid var(--line);background:var(--card);color:var(--fg);cursor:pointer}
button:not(.ghost){background:var(--accent);color:#fff;border-color:transparent}.btn.icon{padding:6px 11px;font-size:16px;line-height:1}.btn.disabled{opacity:.35;pointer-events:none}
input,select{font:inherit;padding:7px 10px;border:1px solid var(--line);border-radius:9px;background:var(--card);color:var(--fg)}
.wrap{max-width:1120px;margin:0 auto;padding:22px 20px 40px}.foot{text-align:center;color:var(--muted);font-size:12px;padding:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin-bottom:14px;box-shadow:var(--shadow)}
/* day header */
.daynav{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.daynav h1{text-transform:capitalize}.inline{display:inline-flex;gap:8px;margin-left:auto}
.stats{display:flex;gap:18px;color:var(--muted);font-size:13.5px;margin:4px 0 16px}.stats b{color:var(--fg)}
/* digest */
.digest{border-left:4px solid var(--accent)}.digest-head{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.headline{font-size:17px;font-weight:600;margin:8px 0 14px;line-height:1.45}.overview{font-size:15.5px;margin:8px 0 14px;line-height:1.6}
.digest-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:14px}.digest-grid.two{grid-template-columns:repeat(auto-fit,minmax(340px,1fr))}
.digest-sec{padding:12px 14px;border:1px solid var(--line);border-radius:10px;border-left:3px solid var(--cc,var(--line))}
.digest-sec ul,.actions ul{margin:0;padding-left:18px}.digest-sec li,.actions li{margin:4px 0;font-size:14px}
.actions{margin-top:14px;padding:12px 14px;border-radius:10px;background:var(--accent-soft)}.actions h3{color:var(--accent)}
.timeline{list-style:none;padding:0!important}.timeline li{display:flex;gap:10px;margin:5px 0}.tday{color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap;font-size:12.5px;padding-top:2px}
/* category colors */
.cat-cantiere{--cc:var(--c-cantiere)}.cat-gara{--cc:var(--c-gara)}.cat-amministrazione{--cc:var(--c-amministrazione)}.cat-hr{--cc:var(--c-hr)}.cat-pec_legale{--cc:var(--c-pec_legale)}
.cat-fornitori_ordini{--cc:var(--c-fornitori_ordini)}.cat-notifiche{--cc:var(--c-notifiche)}.cat-newsletter{--cc:var(--c-newsletter)}.cat-interno{--cc:var(--c-interno)}.cat-altro{--cc:var(--c-altro)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 18px}.chip{display:inline-flex;gap:6px;align-items:center;padding:5px 11px;border-radius:999px;background:var(--card);border:1px solid var(--line);color:var(--fg);font-size:13px}
.chip::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--cc)}.chip b{color:var(--muted);font-weight:600}.chip:hover{text-decoration:none;border-color:var(--cc)}
/* category + topic blocks */
.catblock{margin:26px 0 10px}.cathead{display:flex;align-items:baseline;gap:12px;margin-bottom:8px;padding-left:12px;border-left:4px solid var(--cc)}.cathead h2{font-size:19px}.count{color:var(--muted);font-size:13px}
details > summary{list-style:none;cursor:pointer}details > summary::-webkit-details-marker{display:none}
.catblock > details > summary.cathead::after{content:"▸";color:var(--muted);margin-left:auto}.catblock > details[open] > summary.cathead::after{content:"▾"}
.topicblock{margin:10px 0 16px}.topicname{font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:14px 0 8px}.topicname a{color:var(--cc)}
/* thread cards */
.thread{padding:0;overflow:hidden}.thread > details > summary,.thread.static{padding:13px 16px}.thread > details > summary:hover{background:var(--bg)}
.th-row{display:flex;gap:16px;align-items:flex-start}.th-main{flex:1;min-width:0}.th-side{display:flex;flex-direction:column;align-items:flex-end;gap:5px;white-space:nowrap}
.subject{font-weight:600;font-size:15px;color:var(--fg)}.th-sum{margin:4px 0 6px;font-size:13.5px;color:var(--fg);opacity:.85;line-height:1.5}
.th-meta{display:flex;gap:6px;flex-wrap:wrap}.pill{font-size:11.5px;padding:1px 8px;border-radius:999px;background:var(--bg);color:var(--muted)}.pill.light{background:transparent;border:1px solid var(--line)}
.tag{font-size:11.5px;font-weight:600;padding:2px 8px;border-radius:999px;background:var(--accent-soft);color:var(--accent)}.tag.light{background:transparent;border:1px solid var(--line);color:var(--muted);font-weight:500}
.open{font-size:14px;color:var(--muted)}
.msgs{list-style:none;margin:0;padding:6px 16px 12px;border-top:1px solid var(--line);background:var(--bg)}
.msgs li{display:grid;grid-template-columns:44px 26px minmax(120px,180px) 1fr auto;gap:10px;align-items:center;padding:7px 0;border-bottom:1px dashed var(--line);font-size:13px}.msgs li:last-child{border-bottom:0}
.msgs .time{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12.5px}.avatar{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--line);color:var(--fg);font-size:12px;font-weight:700}.avatar.int{background:var(--accent);color:#fff}
.msgs .from{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.msgs .snip{color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pdf{font-size:11px;font-weight:700;color:var(--muted);border:1px solid var(--line);border-radius:6px;padding:1px 6px}
.msgs li.more{display:block;text-align:center;border:0;padding-top:8px}
.recent{margin-top:26px}.recent a{margin-right:8px}.crumbs{color:var(--muted);margin:0}.sec{margin:22px 0 10px;font-size:16px}
/* tables, thread page, search, login */
table{width:100%;border-collapse:collapse;font-size:13.5px}th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{color:var(--muted);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.04em}.num{text-align:right}
.msg-head{display:flex;gap:8px;align-items:baseline}.right{margin-left:auto}.body{white-space:pre-wrap;font:14.5px/1.6 inherit;margin:12px 0}.quoted{color:var(--muted);font-size:13px}
.summary{font-size:13.5px;color:var(--fg);opacity:.85}.summary.big{font-size:15.5px;padding:12px 16px;border-left:4px solid var(--accent);background:var(--card);border-radius:0 10px 10px 0;line-height:1.55}
mark{background:var(--mark);color:inherit;border-radius:3px}.hit .snip{font-size:13px;color:var(--muted)}
.login{max-width:400px;margin:60px auto}.login label{display:block;margin:12px 0}.login input{width:100%;margin-top:4px}.error{color:#c81e1e}
@media (max-width:720px){.top-inner{flex-wrap:wrap;gap:10px}.search{order:3;max-width:none;flex-basis:100%}.msgs li{grid-template-columns:40px 1fr auto;grid-template-rows:auto auto}.msgs .avatar{display:none}.msgs .snip{grid-column:1/-1;white-space:normal}.th-row{flex-direction:column}.th-side{flex-direction:row}.inline{margin-left:0}}
.gen{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.multi{position:relative}.multi > summary{display:inline-block}.multi-panel{position:absolute;right:0;top:40px;z-index:20;background:var(--card);border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.18);padding:10px;width:320px}
.multi-list{max-height:320px;overflow:auto;display:flex;flex-direction:column;gap:2px}.multi-list label{display:flex;gap:8px;align-items:center;padding:4px 6px;border-radius:6px;font-size:13.5px;cursor:pointer}.multi-list label:hover{background:var(--bg)}
.multi-actions{display:flex;justify-content:space-between;gap:8px;margin-top:8px;padding-top:8px;border-top:1px solid var(--line)}
/* wide layout + sidebar */
.wrap{max-width:1600px}.top-inner{max-width:1600px}
.layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:22px;align-items:start}
.side{position:sticky;top:64px;max-height:calc(100vh - 80px);overflow:auto;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 10px}
.side-head{display:flex;justify-content:space-between;align-items:baseline;padding:2px 6px 8px}
.mblist{list-style:none;margin:0;padding:0}.mblist li label{display:flex;align-items:center;gap:7px;padding:5px 6px;border-radius:7px;font-size:13px;cursor:pointer}.mblist li label:hover{background:var(--bg)}
.mblist li.dim label{color:var(--muted)}.mbname{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mbname small{color:var(--muted);font-size:11px}
.mbn{font-size:11.5px;font-variant-numeric:tabular-nums;color:var(--fg);font-weight:600}.mbn em{font-style:normal;color:var(--muted);font-weight:400}
.chip.on{border-color:var(--cc,var(--accent));background:var(--accent-soft);color:var(--fg)}.chip.all::before{background:var(--accent)}
.digest-grid{grid-template-columns:repeat(auto-fit,minmax(340px,1fr))}.digest-sec li{font-size:14.5px}
@media (max-width:900px){.layout{grid-template-columns:1fr}.side{position:static;max-height:none}}