/* Work — design system */
:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --surface-2: #f1f2f5;
  --ink: #16181d;
  --ink-2: #4b5563;
  --muted: #8b93a1;
  --line: #e7e9ee;
  --accent: #4f46e5;
  --accent-strong: #4338ca;
  --accent-soft: #eef0fe;
  --ok: #059669;  --ok-soft: #e7f6ef;
  --warn: #b45309; --warn-soft: #fdf1df;
  --hot: #dc2626;  --hot-soft: #fdeaea;
  --side-bg: #101217;
  --side-ink: #b6bcc8;
  --side-on: #ffffff;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 18, 23, .04), 0 4px 16px rgba(16, 18, 23, .04);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1013; --surface: #16191f; --surface-2: #1d2129;
    --ink: #e9ebef; --ink-2: #b7bdc9; --muted: #7c8494; --line: #262b35;
    --accent: #818cf8; --accent-strong: #a5b0ff; --accent-soft: #23263b;
    --ok: #34d399; --ok-soft: #12291f;
    --warn: #fbbf24; --warn-soft: #2d2410;
    --hot: #f87171; --hot-soft: #321719;
    --side-bg: #0a0c0f; --shadow: none;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.55 "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-feature-settings: "cv02", "cv03";
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); }
h1, h2, h3 { letter-spacing: -.02em; }

/* ---------- shell ---------- */
.shell { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }
.side {
  background: var(--side-bg); color: var(--side-ink);
  display: flex; flex-direction: column; gap: .4rem;
  padding: 1.1rem .8rem; position: sticky; top: 0; height: 100vh;
}
.logo { display: flex; align-items: center; gap: .6rem; padding: .2rem .5rem 1rem; }
.logo-mark {
  display: grid; place-items: center; width: 30px; height: 30px; border-radius: 9px;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: #fff; font-weight: 800; font-size: .95rem;
}
.logo-text { color: #fff; font-weight: 700; font-size: 1.05rem; letter-spacing: -.02em; }
.side nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.nav-sec {
  font-size: .68rem; text-transform: uppercase; letter-spacing: .09em;
  color: #5b6270; padding: .9rem .6rem .3rem;
}
.nav-item {
  display: flex; align-items: center; gap: .6rem;
  padding: .48rem .6rem; border-radius: 9px;
  color: var(--side-ink); font-weight: 500; font-size: .92rem;
}
.nav-item span { width: 1.2em; text-align: center; }
.nav-item:hover { background: rgba(255, 255, 255, .06); color: var(--side-on); }
.nav-item.on { background: rgba(255, 255, 255, .1); color: var(--side-on); }
.side-foot {
  display: flex; justify-content: space-between; align-items: center;
  padding: .6rem .6rem 0; border-top: 1px solid rgba(255, 255, 255, .08);
}
.side-foot a:hover { color: #fff; }

main { min-width: 0; }
.content { max-width: 960px; margin: 0 auto; padding: 1.6rem 1.6rem 4rem; }

@media (max-width: 800px) {
  .shell { grid-template-columns: 1fr; }
  .side {
    position: sticky; height: auto; flex-direction: row; align-items: center;
    padding: .5rem .8rem; z-index: 20; overflow-x: auto; gap: .6rem;
  }
  .logo { padding: 0; }
  .logo-text { display: none; }
  .side nav { flex-direction: row; align-items: center; }
  .nav-sec { display: none; }
  .nav-item { padding: .4rem .55rem; white-space: nowrap; }
  .side-foot { display: none; }
  .content { padding: 1rem .9rem 3rem; }
}

/* ---------- primitives ---------- */
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.15rem 1.3rem; margin-bottom: 1rem;
  box-shadow: var(--shadow);
}
.card h2 { margin: 0 0 .6rem; font-size: 1rem; }
.page-head { display: flex; align-items: center; justify-content: space-between;
             gap: 1rem; margin: .2rem 0 1.2rem; flex-wrap: wrap; }
.page-head h1 { margin: 0; font-size: 1.5rem; font-weight: 700; }
.page-sub { margin: -.9rem 0 1.2rem; color: var(--muted); font-size: .92rem; }

.muted { color: var(--muted); }
.small { font-size: .84rem; }
.hot { color: var(--hot); }
.err { color: var(--hot); }

.badge {
  display: inline-block; padding: .12rem .55rem; border-radius: 999px;
  font-size: .72rem; font-weight: 600; background: var(--surface-2); color: var(--ink-2);
  vertical-align: middle;
}
.badge.st-attivo, .badge.st-collegata { background: var(--ok-soft); color: var(--ok); }
.badge.st-prospect, .badge.st-parziale { background: var(--warn-soft); color: var(--warn); }
.badge.st-chiuso, .badge.st-archiviato { background: var(--surface-2); color: var(--muted); }
.chip {
  display: inline-block; padding: .08rem .55rem; border-radius: 999px;
  font-size: .76rem; font-weight: 500; background: var(--accent-soft); color: var(--accent);
}

input, textarea, select, button {
  font: inherit; color: var(--ink); background: var(--surface);
  border: 1px solid var(--line); border-radius: 10px; padding: .52rem .75rem;
}
input, textarea { width: 100%; margin-bottom: .55rem; }
input:focus, textarea:focus, select:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
textarea { resize: vertical; line-height: 1.6; }
button, .btn {
  background: var(--accent); color: #fff; border: 0; cursor: pointer;
  font-weight: 600; border-radius: 10px; padding: .5rem .9rem;
}
button:hover, .btn:hover { background: var(--accent-strong); color: #fff; }
.btn { display: inline-block; }
button.mini { padding: .28rem .6rem; font-size: .78rem; border-radius: 8px; }
button.ok { background: var(--ok); }
button.ghost { background: var(--surface-2); color: var(--muted); }
button.ghost:hover { background: var(--line); color: var(--ink-2); }
button.danger { background: var(--hot-soft); color: var(--hot); }

.row { display: flex; gap: .55rem; align-items: center; flex-wrap: wrap; }
.row input { flex: 1; min-width: 140px; margin-bottom: 0; }
.grid-form { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr auto; gap: .55rem; }
.grid-form input { margin-bottom: 0; }
@media (max-width: 700px) { .grid-form { grid-template-columns: 1fr 1fr; } }

/* ---------- stats ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: .7rem; margin-bottom: 1.1rem; }
@media (max-width: 700px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: .85rem .5rem; text-align: center; box-shadow: var(--shadow);
}
.stat b {
  display: block; font-size: 1.65rem; font-weight: 700; letter-spacing: -.03em;
  background: linear-gradient(135deg, var(--accent), #8b5cf6);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.stat span { font-size: .76rem; color: var(--muted); font-weight: 500; }

/* ---------- tasks ---------- */
.task {
  display: flex; justify-content: space-between; gap: .8rem;
  padding: .65rem .5rem; border-radius: 10px; border-bottom: 1px solid var(--line);
}
.task:last-child { border-bottom: 0; }
.task:hover { background: var(--surface-2); }
.task.late { box-shadow: inset 3px 0 0 var(--hot); }
.task.done { opacity: .5; }
.task-main { min-width: 0; }
.task-main p { margin: .15rem 0; }
.task-actions { display: flex; gap: .3rem; align-items: flex-start; flex-shrink: 0; }

.tabs { display: flex; gap: .25rem; background: var(--surface-2); padding: .25rem; border-radius: 10px; }
.tabs a { padding: .3rem .75rem; border-radius: 8px; color: var(--muted); font-weight: 500; font-size: .88rem; }
.tabs a.on { background: var(--surface); color: var(--ink); box-shadow: var(--shadow); }

/* ---------- tables ---------- */
.tbl { width: 100%; border-collapse: collapse; }
.tbl th {
  text-align: left; font-size: .72rem; color: var(--muted); font-weight: 600;
  text-transform: uppercase; letter-spacing: .05em;
  padding: .35rem .55rem; border-bottom: 1px solid var(--line);
}
.tbl td { padding: .5rem .55rem; border-bottom: 1px solid var(--line); }
.tbl tr:last-child td { border-bottom: 0; }
.tbl tr:hover td { background: var(--surface-2); }

/* ---------- KB ---------- */
.kb-toolbar { display: flex; flex-direction: column; gap: .7rem; margin-bottom: 1.1rem; }
.cat-chips { display: flex; gap: .35rem; flex-wrap: wrap; }
.cat-chips a {
  padding: .3rem .8rem; border-radius: 999px; font-size: .84rem; font-weight: 500;
  background: var(--surface); border: 1px solid var(--line); color: var(--ink-2);
}
.cat-chips a:hover { border-color: var(--accent); color: var(--accent); }
.cat-chips a.on { background: var(--accent); border-color: var(--accent); color: #fff; }
.cat-chips .n { opacity: .55; font-size: .76rem; margin-left: .25rem; }

.kb-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); gap: .8rem; }
.kb-card {
  display: flex; flex-direction: column; gap: .35rem;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem 1.1rem; box-shadow: var(--shadow); color: var(--ink);
  transition: border-color .12s, transform .12s;
}
.kb-card:hover { border-color: var(--accent); transform: translateY(-1px); color: var(--ink); }
.kb-card b { font-size: .96rem; letter-spacing: -.01em; }
.kb-card .kb-meta { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; }
.kb-card .kb-snip { color: var(--muted); font-size: .82rem; line-height: 1.45;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

.wikilink { border-bottom: 1px dashed color-mix(in srgb, var(--accent) 50%, transparent); }
.wikilink.missing { color: var(--warn); border-bottom-color: var(--warn); }

.backlinks { margin-top: 1rem; }
.backlinks a { display: inline-block; margin: .15rem .3rem .15rem 0; }

/* ---------- markdown body ---------- */
.md-body { line-height: 1.7; }
.md-body h1, .md-body h2, .md-body h3 { margin-top: 1.4em; line-height: 1.3; }
.md-body h1:first-child, .md-body h2:first-child { margin-top: .2em; }
.md-body h2 { font-size: 1.15rem; border-bottom: 1px solid var(--line); padding-bottom: .3rem; }
.md-body ul, .md-body ol { padding-left: 1.4rem; }
.md-body li { margin: .2rem 0; }
.md-body table { border-collapse: collapse; margin: .9rem 0; display: block; overflow-x: auto; }
.md-body th, .md-body td { border: 1px solid var(--line); padding: .4rem .7rem; text-align: left; font-size: .9rem; }
.md-body th { background: var(--surface-2); }
.md-body code { background: var(--surface-2); padding: .12rem .4rem; border-radius: 6px; font-size: .86em; }
.md-body pre { background: var(--surface-2); padding: .9rem 1rem; border-radius: 10px; overflow-x: auto; }
.md-body pre code { background: none; padding: 0; }
.md-body blockquote {
  border-left: 3px solid var(--accent); margin: .9rem 0; padding: .3rem 1rem;
  color: var(--ink-2); background: var(--accent-soft); border-radius: 0 10px 10px 0;
}
.md-body img { max-width: 100%; }
.md-body hr { border: 0; border-top: 1px solid var(--line); margin: 1.6rem 0; }

/* ---------- capture ---------- */
.capture-list { margin-top: .9rem; }
.capture { border-top: 1px dashed var(--line); padding: .65rem 0; }
.capture p { margin: .3rem 0; white-space: pre-wrap; }

.kb-row { padding: .55rem 0; border-bottom: 1px solid var(--line); }
.kb-row:last-child { border-bottom: 0; }
.kb-row p { margin: .2rem 0 0; }

/* ---------- login ---------- */
.login-body {
  display: grid; place-items: center; min-height: 100vh; margin: 0;
  font: 15px "Inter", system-ui, sans-serif; color: var(--ink);
  background: radial-gradient(1200px 700px at 20% -10%, #312e81 0%, #101217 55%);
}
.login-box {
  background: rgba(255, 255, 255, .04); backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, .12); border-radius: 18px;
  padding: 2.2rem; width: min(92vw, 350px); text-align: center; color: #e9ebef;
}
.login-box h1 { margin: 0 0 .2rem; letter-spacing: -.02em; }
.login-box .muted { color: #8b93a1; }
.login-box input {
  text-align: center; margin: 1.2rem 0 .7rem; background: rgba(255, 255, 255, .06);
  border-color: rgba(255, 255, 255, .15); color: #fff;
}
.login-box button { width: 100%; background: linear-gradient(135deg, #6366f1, #8b5cf6); }
.login-box .err { margin: .5rem 0 0; }

/* ---------- KB explorer (Obsidian-like) ---------- */
.kb-shell { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 1.1rem; }
.kb-explorer {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: .7rem .55rem; align-self: start; position: sticky; top: 1rem;
  max-height: calc(100vh - 2rem); overflow-y: auto; box-shadow: var(--shadow);
}
.kb-exp-head { display: flex; align-items: center; gap: .45rem; padding: 0 .3rem .55rem;
               border-bottom: 1px solid var(--line); margin-bottom: .45rem; }
.mini-btn { padding: .25rem .6rem; font-size: .8rem; border-radius: 8px; }
.exp-tool { font-size: .8rem; color: var(--muted); font-weight: 500; }
.exp-tool:hover { color: var(--accent); }
.exp-tree { font-size: .86rem; }
.exp-folder > summary {
  display: flex; align-items: center; gap: .35rem; cursor: pointer;
  padding: .22rem .35rem; border-radius: 7px; font-weight: 600; list-style: none;
}
.exp-folder > summary::before { content: "▸"; color: var(--muted); font-size: .7rem; transition: transform .12s; }
.exp-folder[open] > summary::before { transform: rotate(90deg); }
.exp-folder > summary:hover { background: var(--surface-2); }
.exp-folder > summary a { color: var(--ink-2); flex: 1; }
.exp-folder > summary a.on { color: var(--accent); }
.exp-count { font-size: .68rem; color: var(--muted); font-weight: 500; }
.exp-kids { margin-left: .85rem; border-left: 1px solid var(--line); padding-left: .45rem; }
.exp-note {
  display: block; padding: .18rem .35rem; border-radius: 7px;
  color: var(--ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.exp-note:hover { background: var(--surface-2); color: var(--ink); }
.exp-note.on { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.kb-panels { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.missing-chip { background: var(--warn-soft); color: var(--warn); }
.ghost-btn { background: var(--surface-2); color: var(--ink-2); }
a.stat { color: inherit; }
kbd {
  font: .68rem/1 system-ui; background: rgba(255,255,255,.09); border: 1px solid rgba(255,255,255,.15);
  border-radius: 5px; padding: .1rem .3rem; margin-left: auto; color: var(--side-ink);
}
@media (max-width: 900px) {
  .kb-shell { grid-template-columns: 1fr; }
  .kb-explorer { position: static; max-height: 300px; order: 2; }
  .kb-panels { grid-template-columns: 1fr; }
}

/* ---------- quick switcher ---------- */
.qs-overlay {
  position: fixed; inset: 0; background: rgba(10, 12, 15, .55); backdrop-filter: blur(3px);
  display: none; z-index: 100; padding: 12vh 1rem 0;
}
.qs-overlay.open { display: block; }
.qs-box {
  max-width: 560px; margin: 0 auto; background: var(--surface);
  border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .35);
}
.qs-input { width: 100%; border: 0; border-bottom: 1px solid var(--line); border-radius: 0;
            padding: .9rem 1.1rem; font-size: 1.05rem; margin: 0; background: var(--surface); }
.qs-input:focus { box-shadow: none; border-color: var(--line); }
.qs-results { max-height: 46vh; overflow-y: auto; }
.qs-item { display: block; padding: .55rem 1.1rem; color: var(--ink); border-bottom: 1px solid var(--line); }
.qs-item:last-child { border-bottom: 0; }
.qs-item.sel, .qs-item:hover { background: var(--accent-soft); }
.qs-folder { margin-left: .5rem; font-size: .74rem; color: var(--accent); }
.qs-snip { display: block; font-size: .8rem; color: var(--muted); }
.qs-snip b { color: var(--accent); }
.qs-empty { padding: .9rem 1.1rem; color: var(--muted); }

/* ---------- WhatsApp ---------- */
.wa-thread { padding: .8rem 1rem; }
.wa-day { text-align: center; margin: .9rem 0 .5rem; }
.wa-day::before { content: ""; }
.wa-day { font-size: .74rem; color: var(--muted); font-weight: 600; }
.wa-msg { padding: .45rem .7rem; border-radius: 10px; margin-bottom: .35rem; }
.wa-msg:hover { background: var(--surface-2); }
.wa-msg .wa-head { display: flex; align-items: center; gap: .5rem; }
.wa-msg .wa-head form { margin-left: auto; opacity: 0; }
.wa-msg:hover .wa-head form { opacity: 1; }
.wa-msg p { margin: .1rem 0 0; white-space: pre-wrap; }