:root {
  --navy: #0b2a4a; --accent: #ff6b1a;
  --bg: #f1f4f8; --card: #fff; --text: #17212e; --muted: #647385; --line: #e0e6ee;
  --primary: #14548f; --primary-hover: #0f4476; --primary-text: #fff; --danger: #b3261e; --ok: #1e7a3c; --warn: #a85f00;
  --pending: #fff1cf; --approved: #dcf1e3; --bad: #fde6e4; --chip: #1c63a8; --chip-text: #fff;
  --shadow: 0 1px 2px rgba(11, 42, 74, .06), 0 4px 14px rgba(11, 42, 74, .05);
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0e1218; --card: #172029; --text: #e6ebf1; --muted: #8f9eae; --line: #263240;
    --primary: #4d97dc; --primary-hover: #6cacea; --primary-text: #08121c; --danger: #ff8a80; --ok: #6fcf8f; --warn: #ffc266;
    --pending: #4a3d1a; --approved: #1d3a2a; --bad: #4a2422; --chip: #2d6fb0; --chip-text: #fff;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3); }
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text);
  -webkit-font-smoothing: antialiased; }
a { color: var(--primary); }
h1 { font-size: 1.55rem; line-height: 1.2; margin: 0 0 1rem; letter-spacing: -.01em; }
h2 { font-size: 1.1rem; margin: 0 0 .75rem; } h3 { font-size: .95rem; margin: 1.1rem 0 .5rem; }
main { max-width: 1440px; margin: 0 auto; padding: 1.25rem 20px 3rem; }

/* barra superiore e marchio */
.topbar { display: flex; align-items: center; gap: 1.5rem; padding: 0 20px; min-height: 58px; background: var(--navy); color: #fff;
  flex-wrap: wrap; position: sticky; top: 0; z-index: 20; box-shadow: 0 2px 8px rgba(0, 0, 0, .18); border-bottom: 3px solid var(--accent); }
.brand { display: flex; align-items: center; gap: .6rem; text-decoration: none; color: #fff; padding: .4rem 0; }
.brand .logo { height: 34px; width: auto; display: block; }
.mark { display: inline-block; width: 32px; height: 32px; border-radius: 8px; background: url('favicon.svg') center / contain no-repeat; flex: none; }
.mark.big { width: 56px; height: 56px; border-radius: 14px; }
.wordmark { font-size: 1.05rem; letter-spacing: .02em; line-height: 1; }
.wordmark b { font-weight: 800; letter-spacing: .1em; }
.wordmark span { font-weight: 400; color: var(--accent); }
.wordmark.big { font-size: 1.7rem; color: var(--navy); }
.topbar nav { display: flex; gap: .25rem; flex: 1; flex-wrap: wrap; }
.topbar nav a { text-decoration: none; color: rgba(255, 255, 255, .78); padding: .5rem .75rem; border-radius: 6px; font-weight: 500; font-size: .93rem; }
.topbar nav a:hover { color: #fff; background: rgba(255, 255, 255, .1); }
.topbar nav a.on { color: #fff; background: rgba(255, 255, 255, .16); }
.topbar nav a.admin { margin-left: auto; color: var(--accent); }
.topbar nav a.admin.on { background: rgba(255, 107, 26, .18); }
.user { display: flex; gap: .9rem; align-items: center; font-size: .9rem; } .user form { margin: 0; }
.user a { color: #fff; text-decoration: none; opacity: .9; } .user button.link { color: rgba(255, 255, 255, .75); }
.badge { background: var(--accent); color: #fff; border-radius: 10px; padding: 0 .45rem; font-size: .72rem; font-weight: 700; }
.tag { font-size: .7rem; vertical-align: middle; padding: .15rem .5rem; border-radius: 10px; background: var(--accent); color: #fff; letter-spacing: .04em; text-transform: uppercase; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.15rem 1.35rem; margin-bottom: 1rem; box-shadow: var(--shadow); }
.card.flush { padding: 0; overflow-x: auto; } .card .pad { padding: 1rem 1.25rem 0; }
.narrow { max-width: 420px; margin: 3rem auto; } .narrow-lg { max-width: 660px; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 1rem; align-items: start; }
.span2 { grid-column: 1 / -1; }
.toolbar { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; margin-bottom: 1rem; }
.toolbar h1 { margin: 0; } .spacer { flex: 1; } .weeklabel { min-width: 11rem; text-align: center; }
form.inline { display: inline-flex; gap: .4rem; margin: 0; align-items: center; }
.danger-zone { border-color: color-mix(in srgb, var(--danger) 45%, var(--line)); }
.danger-zone h1, .danger-zone h2 { color: var(--danger); }

/* accesso */
.login { max-width: 400px; margin: 5vh auto 0; }
.login-brand { text-align: center; margin-bottom: 1.25rem; display: flex; flex-direction: column; align-items: center; gap: .6rem; }
.login-brand p { margin: 0; color: var(--muted); letter-spacing: .08em; text-transform: uppercase; font-size: .78rem; }
.logo.big { height: 64px; width: auto; }
@media (prefers-color-scheme: dark) { .wordmark.big { color: #fff; } }
.foot { text-align: center; color: var(--muted); font-size: .8rem; margin: 2rem 0; }

/* form */
label { display: block; margin-bottom: .8rem; font-size: .85rem; font-weight: 500; color: var(--muted); }
label.check { display: inline-flex; gap: .35rem; align-items: center; color: var(--text); margin-right: .75rem; font-weight: 400; }
input, select, textarea { display: block; width: 100%; margin-top: .3rem; padding: .55rem .65rem; font: inherit; color: var(--text);
  background: var(--card); border: 1px solid var(--line); border-radius: 7px; transition: border-color .12s, box-shadow .12s; }
input:focus, select:focus, textarea:focus, .btn:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--primary); outline-offset: 1px; border-color: var(--primary); }
input[type=checkbox] { display: inline; width: auto; margin: 0; }
.toolbar select, form.inline select { width: auto; margin: 0; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.row3 { display: grid; grid-template-columns: 2fr 1fr 1fr auto; gap: .5rem; align-items: end; }
.row4 { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: .75rem; }
.daypick { margin-bottom: .75rem; }
.btn, button.primary { display: inline-block; padding: .5rem 1rem; font: inherit; font-weight: 500; border-radius: 7px; border: 1px solid var(--line);
  background: var(--card); color: var(--text); cursor: pointer; text-decoration: none; transition: background .12s, border-color .12s; }
.btn:hover { border-color: var(--primary); background: color-mix(in srgb, var(--primary) 6%, var(--card)); }
.btn.small { padding: .25rem .6rem; font-size: .85rem; }
.primary { background: var(--primary); color: var(--primary-text); border-color: var(--primary); }
.primary:hover, a.btn.primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); color: var(--primary-text); }
.block { width: 100%; margin-top: .25rem; padding: .65rem 1rem; }
.btn.danger { color: var(--danger); border-color: var(--danger); background: transparent; }
.btn.danger:hover { background: var(--bad); }
button.link { background: none; border: 0; color: var(--primary); cursor: pointer; font: inherit; padding: 0; }
.danger-text { color: var(--danger) !important; }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: 1rem; }
.flash { padding: .7rem 1rem; border-radius: 8px; margin-bottom: 1rem; border: 1px solid var(--line); border-left-width: 4px; }
.flash.ok { background: var(--approved); border-left-color: var(--ok); } .flash.error { background: var(--bad); border-left-color: var(--danger); }
.flash.warn { background: var(--pending); border-left-color: var(--warn); }
.muted { color: var(--muted); } small { color: var(--muted); }
.neg { color: var(--danger); font-weight: 600; }

/* tabelle */
table { border-collapse: collapse; width: 100%; }
.list th, .list td { text-align: left; padding: .65rem 1rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
.list tbody tr:hover { background: color-mix(in srgb, var(--primary) 4%, var(--card)); }
.list th { font-size: .74rem; text-transform: uppercase; color: var(--muted); letter-spacing: .05em; font-weight: 600; background: color-mix(in srgb, var(--bg) 60%, var(--card)); }
.list td input { margin: 0; padding: .3rem .4rem; } .list tr.inactive { opacity: .55; }
.status { padding: .12rem .6rem; border-radius: 10px; font-size: .78rem; font-weight: 500; background: var(--line); white-space: nowrap; }
.st-pending { background: var(--pending); } .st-approved { background: var(--approved); } .st-rejected, .st-cancelled { background: var(--bad); }
dl { display: grid; grid-template-columns: 8rem 1fr; gap: .45rem .75rem; margin: 0; } dt { color: var(--muted); } dd { margin: 0; }
ul.plain { list-style: none; padding: 0; margin: 0 0 1rem; } ul.plain li { padding: .45rem 0; border-bottom: 1px solid var(--line); }
.item { padding: .6rem 0; border-bottom: 1px solid var(--line); } .item:last-child { border-bottom: 0; }
.item.bad { background: var(--bad); padding: .55rem .75rem; border-radius: 8px; margin-bottom: .4rem; border: 0; }

/* griglia turni */
.gridwrap { overflow: auto; max-height: calc(100vh - 230px); background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.grid { min-width: 980px; table-layout: fixed; border-collapse: separate; border-spacing: 0; }
.grid th, .grid td { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); vertical-align: top; padding: 4px; }
.grid thead th { background: var(--navy); color: #fff; text-align: center; padding: .55rem .25rem; position: sticky; top: 0; z-index: 3; font-weight: 600; }
.grid thead th small { color: rgba(255, 255, 255, .7); font-weight: 400; }
.grid thead th.today { background: var(--accent); } .grid thead th.today small { color: #fff; }
.grid th.emp { width: 160px; text-align: left; padding: .5rem .65rem; background: var(--card); font-weight: 600; position: sticky; left: 0; z-index: 2; }
.grid thead th.emp { background: var(--navy); z-index: 4; }
.grid tfoot th.emp { background: var(--bg); }
.grid th.tot, .grid td.tot { width: 92px; text-align: center; font-size: .85rem; }
.grid td.today { background: color-mix(in srgb, var(--accent) 7%, var(--card)); }
.grid td.weekend { background: color-mix(in srgb, var(--bg) 80%, var(--card)); }
.cell { height: 66px; position: relative; }
.cell.conflict { background: var(--bad) !important; }
.chip { display: block; width: 100%; margin-bottom: 3px; padding: 4px 7px; font: inherit; font-size: .82rem; font-weight: 500; text-align: left;
  background: var(--chip); color: var(--chip-text); border: 0; border-radius: 5px; cursor: pointer; }
.chip:hover { filter: brightness(1.12); }
.add { position: absolute; right: 3px; bottom: 3px; width: 22px; height: 22px; line-height: 1; border-radius: 50%; border: 1px dashed var(--muted);
  background: transparent; color: var(--muted); cursor: pointer; opacity: .45; padding: 0; }
.cell:hover .add { opacity: 1; border-color: var(--primary); color: var(--primary); }
.abs { display: block; font-size: .75rem; padding: 2px 6px; border-radius: 5px; margin-bottom: 3px; text-decoration: none; color: var(--text); }
.abs-approved { background: var(--approved); border-left: 3px solid var(--ok); } .abs-pending { background: var(--pending); border-left: 3px dashed var(--warn); }
.warn { color: var(--warn); font-size: .8rem; cursor: help; }
.tot.over { color: var(--danger); font-weight: 600; }
.cov { font-size: .75rem; text-align: center; background: var(--bg); } .cov.ok { color: var(--ok); } .cov.bad { background: var(--bad); color: var(--danger); text-align: left; }
.legend { margin-top: .75rem; } .legend .abs { display: inline-block; }
dialog { border: 1px solid var(--line); border-radius: 12px; padding: 1.35rem; width: min(440px, 94vw); background: var(--card); color: var(--text); box-shadow: 0 20px 50px rgba(0, 0, 0, .3); }
dialog::backdrop { background: rgba(11, 42, 74, .55); }
.presets { display: flex; gap: .4rem; flex-wrap: wrap; margin-bottom: .75rem; }

@media (max-width: 640px) {
  .row2, .row3, .row4 { grid-template-columns: 1fr; } .topbar { gap: .5rem; padding: .4rem 12px; } .topbar nav a.admin { margin-left: 0; }
  main { padding: 1rem 12px 3rem; }
}
@media print {
  .topbar, .toolbar form, .toolbar .btn, .toolbar select, .legend, .add, dialog, .flash { display: none !important; }
  body { background: #fff; color: #000; } .gridwrap { border: 0; overflow: visible; max-height: none; box-shadow: none; } .grid { min-width: 0; font-size: 11px; }
  .grid thead th { background: #eee !important; color: #000 !important; position: static; } .grid th.emp { position: static; }
  .chip { background: #fff !important; color: #000 !important; border: 1px solid #000; }
  .toolbar { margin-bottom: .25rem; } main { padding: 0; max-width: none; }
}