:root {
  --bg: #f5f3ee; --surface: #ffffff; --ink: #1d1c1a; --muted: #6d6a63; --line: #e3dfd5;
  --accent: #0e7c66; --accent-ink: #ffffff; --accent-soft: #dff1ec; --rec: #d64545; --warn: #b7791f; --ok: #1f8a5b;
  --radius: 14px; --shadow: 0 1px 2px rgba(0,0,0,.06), 0 6px 20px rgba(0,0,0,.05);
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #131513; --surface: #1c1f1c; --ink: #ecebe6; --muted: #a09d94; --line: #2c302b; --accent: #2fb79b; --accent-ink: #07241d; --accent-soft: #163229; --shadow: 0 1px 2px rgba(0,0,0,.4); }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; min-height: 100dvh; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .6rem; letter-spacing: -.01em; }
h2 { font-size: 1.5rem; } h3 { font-size: 1.05rem; margin-top: 1.4rem; }
p { margin: 0 0 .6rem; }
a { color: var(--accent); }
.muted { color: var(--muted); } .small { font-size: .85rem; } .block { display: block; }
.empty { color: var(--muted); text-align: center; padding: 1.4rem .5rem; }
.err { color: var(--rec); min-height: 1.4em; }
.boot { padding: 2rem; color: var(--muted); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .9rem; }

/* layout */
#app { display: grid; grid-template-rows: auto 1fr auto; min-height: 100dvh; }
.top { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: calc(.7rem + env(safe-area-inset-top)) 1rem .7rem; position: sticky; top: 0; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); z-index: 5; }
.brand { display: flex; align-items: baseline; gap: .6rem; } .brand b { font-size: 1.25rem; letter-spacing: -.02em; }
main#view { padding: 1rem 1rem 6.5rem; width: 100%; max-width: 760px; margin: 0 auto; }
.nav { position: fixed; bottom: 0; left: 0; right: 0; display: grid; grid-template-columns: repeat(6, 1fr); background: var(--surface); border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); z-index: 6; }
.nav a { display: flex; flex-direction: column; align-items: center; gap: 2px; padding: .5rem 0 .45rem; color: var(--muted); text-decoration: none; font-size: .68rem; }
.nav a.on { color: var(--accent); font-weight: 600; }
.nav a:focus-visible, .btn:focus-visible, .item:focus-visible, .mic:focus-visible, .chip:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.ico { display: inline-flex; }
@media (min-width: 900px) {
  #app { grid-template-columns: 220px 1fr; grid-template-rows: auto 1fr; }
  .top { grid-column: 1 / -1; }
  .nav { position: sticky; top: 3.6rem; bottom: auto; align-self: start; display: flex; flex-direction: column; gap: 2px; padding: 1rem .6rem; border: 0; background: transparent; height: calc(100dvh - 3.6rem); }
  .nav a { flex-direction: row; gap: .7rem; font-size: .95rem; padding: .6rem .8rem; border-radius: 10px; }
  .nav a.on { background: var(--accent-soft); }
  main#view { padding-bottom: 3rem; margin: 0; max-width: 780px; }
}

/* componenti */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; margin: 0 0 1rem; box-shadow: var(--shadow); display: grid; gap: .7rem; }
.card h3 { margin: 0; }
.row { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; } .row.end { justify-content: flex-end; } .row.center { justify-content: center; } .row.tight { gap: .4rem; }
.grow { flex: 1; min-width: 0; }
input[type=text], input[type=password], input[type=search], textarea, select {
  width: 100%; font: inherit; color: inherit; background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: .65rem .8rem; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
textarea { resize: vertical; }
.btn { font: inherit; font-weight: 600; cursor: pointer; border: 1px solid var(--line); background: var(--surface); color: var(--ink); padding: .6rem 1rem; border-radius: 10px; min-height: 44px; }
.btn:hover { border-color: var(--muted); } .btn:disabled { opacity: .5; cursor: default; }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn.ghost { background: transparent; } .btn.danger { color: var(--rec); }
.btn.small { padding: .3rem .7rem; font-size: .85rem; min-height: 34px; }
.btn.big { padding: .85rem 1.3rem; font-size: 1.05rem; }
.btn.rec { background: var(--rec); border-color: var(--rec); color: #fff; }
.chips { display: flex; gap: .4rem; flex-wrap: wrap; margin: .7rem 0; }
.chip { font: inherit; font-size: .88rem; border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 999px; padding: .3rem .85rem; cursor: pointer; }
.chip.on { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); } .chip.static { cursor: default; color: var(--muted); }
.badge { display: inline-block; font-size: .72rem; font-weight: 600; padding: .1rem .55rem; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.badge.soft { background: var(--line); color: var(--muted); } .badge.ok { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.badge.warn { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); } .badge.err { background: color-mix(in srgb, var(--rec) 18%, transparent); color: var(--rec); }
.list { display: grid; gap: .5rem; margin: .6rem 0 1rem; }
.item { text-align: left; font: inherit; color: inherit; width: 100%; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: .75rem .9rem; cursor: pointer; display: block; }
.item.static { cursor: default; } .item.row { display: flex; } .item:not(.static):hover { border-color: var(--muted); }
.item-top { display: flex; justify-content: space-between; gap: .8rem; align-items: baseline; } .item-top strong { overflow-wrap: anywhere; }
.item-sub { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; margin: .3rem 0; }
.preview { color: var(--muted); font-size: .9rem; margin: .2rem 0 0; display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; overflow-wrap: anywhere; }
.arrow { color: var(--accent); }
.field { display: grid; gap: .3rem; } .field > span { font-weight: 600; font-size: .92rem; } .field.row { grid-template-columns: 1fr auto; align-items: center; }
.check { display: flex; gap: .5rem; align-items: flex-start; font-size: .92rem; }
input[type=checkbox] { width: 1.15rem; height: 1.15rem; accent-color: var(--accent); margin-top: .2rem; }
input.switch { appearance: none; width: 2.6rem; height: 1.5rem; border-radius: 999px; background: var(--line); position: relative; cursor: pointer; margin: 0; transition: background .15s; }
input.switch::after { content: ""; position: absolute; top: 3px; left: 3px; width: 1.1rem; height: 1.1rem; border-radius: 50%; background: #fff; transition: transform .15s; box-shadow: 0 1px 2px rgba(0,0,0,.3); }
input.switch:checked { background: var(--accent); } input.switch:checked::after { transform: translateX(1.1rem); }
.dot { width: .6rem; height: .6rem; border-radius: 50%; display: inline-block; background: var(--line); } .dot.ok { background: var(--ok); } .dot.warn { background: var(--warn); }
.status { font-size: .8rem; color: var(--muted); display: inline-flex; align-items: center; gap: .4rem; }
.status::before { content: ""; width: .55rem; height: .55rem; border-radius: 50%; background: var(--warn); } .status.ok::before { background: var(--ok); } .status.off::before { background: var(--rec); }
.timer { font-variant-numeric: tabular-nums; color: var(--muted); }

/* dettatura */
.dictate { display: grid; justify-items: center; gap: .7rem; padding: 1.4rem 0 1rem; }
.mic { width: 132px; height: 132px; border-radius: 50%; border: 0; cursor: pointer; background: var(--accent); color: var(--accent-ink); display: grid; place-items: center; box-shadow: 0 10px 30px color-mix(in srgb, var(--accent) 40%, transparent); transition: transform .12s, background .15s; }
.mic:active { transform: scale(.96); } .mic.rec { background: var(--rec); box-shadow: 0 0 0 10px color-mix(in srgb, var(--rec) 20%, transparent), 0 10px 30px color-mix(in srgb, var(--rec) 40%, transparent); animation: pulse 1.6s ease-in-out infinite; }
.mic.busy { opacity: .6; cursor: progress; }
@keyframes pulse { 50% { box-shadow: 0 0 0 18px color-mix(in srgb, var(--rec) 10%, transparent), 0 10px 30px color-mix(in srgb, var(--rec) 40%, transparent); } }
.mic-label { margin: 0; font-weight: 600; } .bars { display: flex; align-items: center; gap: 3px; height: 44px; }
.bars i { display: block; width: 4px; height: 44px; border-radius: 3px; background: var(--accent); opacity: .75; transform: scaleY(.12); transition: transform .08s; }
.meter { height: 6px; border-radius: 999px; background: var(--line); overflow: hidden; } .meter i { display: block; height: 100%; background: var(--accent); transform: scaleX(0); transform-origin: left; transition: transform .08s; }

/* finestre e avvisi */
dialog.sheet { border: 0; border-radius: 18px; padding: 1rem; width: min(680px, calc(100vw - 1.5rem)); max-height: 92dvh; background: var(--surface); color: var(--ink); box-shadow: 0 20px 60px rgba(0,0,0,.35); }
dialog.sheet::backdrop { background: rgba(0,0,0,.5); } dialog.sheet[open] { display: grid; gap: .7rem; }
.sheet-head { display: flex; justify-content: space-between; align-items: center; gap: .5rem; }
#toasts { position: fixed; left: 0; right: 0; bottom: calc(4.6rem + env(safe-area-inset-bottom)); display: grid; justify-items: center; gap: .4rem; z-index: 50; pointer-events: none; padding: 0 1rem; }
@media (min-width: 900px) { #toasts { bottom: 1.2rem; } }
.toast { background: var(--ink); color: var(--bg); padding: .6rem 1rem; border-radius: 999px; font-size: .92rem; box-shadow: var(--shadow); max-width: 100%; }
.toast.err { background: var(--rec); color: #fff; } .toast.ok { background: var(--accent); color: var(--accent-ink); }

/* accesso */
.login { grid-row: 1 / -1; grid-column: 1 / -1; display: grid; align-content: center; gap: .8rem; width: min(380px, 100% - 2rem); margin: 0 auto; min-height: 100dvh; }
.login h1 { font-size: 2.4rem; margin: 0; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }