/* Stile standard condiviso da tutte le pagine (admin e utente).
   Tema scuro, token di colore su :root per riuso/importazione. */
:root {
    color-scheme: dark;
    --bg: #0f1115;
    --panel: #171a21;
    --border: #262b35;
    --ink: #e6e6e6;
    --muted: #8a93a2;
    --accent: #2b6cff;
    --ok: #58d68d;
    --err: #ff6b6b;
    --radius: 12px;
    --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }

body {
    font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    background: var(--bg);
    color: var(--ink);
    margin: 0;
    line-height: 1.45;
}

/* layout largo (pagine admin) */
body.wide { max-width: 960px; margin: 24px auto; padding: 0 16px; }

/* layout centrato (app, login, registrazione, dashboard) */
body.center {
    min-height: 100vh;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    text-align: center; padding: 16px;
}

h1, h2, h3 { font-weight: 600; }

a { color: var(--muted); }

input, button, select {
    font: inherit;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: var(--panel);
    color: var(--ink);
}
button {
    background: var(--accent);
    border-color: var(--accent);
    cursor: pointer;
}
button.ghost { background: transparent; border-color: var(--border); color: var(--ink); }

/* nei layout centrati i controlli sono a tutta larghezza */
body.center input, body.center button { width: 260px; max-width: 100%; margin: 6px 0; }

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin: 16px 0;
}

table { width: 100%; border-collapse: collapse; font-size: 13px; }
td, th { border-bottom: 1px solid var(--border); padding: 6px 8px; text-align: left; }

.msg { color: var(--ok); }
.err { color: var(--err); }
.muted { color: var(--muted); }
code { background: #0b0d11; padding: 2px 6px; border-radius: 6px; font-family: var(--mono); }

/* niente sfondo giallo/dorato dell'autofill del browser */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus {
    -webkit-text-fill-color: var(--ink);
    -webkit-box-shadow: 0 0 0 1000px var(--panel) inset;
    box-shadow: 0 0 0 1000px var(--panel) inset;
    caret-color: var(--ink);
    transition: background-color 9999s ease-in-out 0s;
}

/* input numerici (PIN / codice). .pin è mascherato senza essere type=password,
   così il browser non propone di salvare/aggiornare le credenziali. */
.pin { letter-spacing: 8px; text-align: center; font-size: 22px;
       -webkit-text-security: disc; text-security: disc; }
.code-in { letter-spacing: 10px; text-align: center; font-size: 22px; }

/* tab di navigazione della home */
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 16px 0; }
.tabs button { background: var(--panel); border: 1px solid var(--border); color: var(--ink); }
.tabs button.on { background: var(--accent); border-color: var(--accent); }
.tabpane { display: none; }
.tabpane.on { display: block; }

/* chip di stato (verde = OK, rosso = mancante) */
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 5px 12px; border-radius: 999px;
        border: 1px solid var(--border); font-size: 13px; margin: 4px 4px 4px 0; }
.chip.ok { color: var(--ok); border-color: rgba(88,214,141,.45); }
.chip.ko { color: var(--err); border-color: rgba(255,107,107,.45); }

/* riga dispositivo associato */
.devrow { border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; margin: 6px 0; font-size: 13px; }

/* app: codice a 6 cifre e barra del tempo */
#code { font-size: 52px; letter-spacing: 10px; font-variant-numeric: tabular-nums; margin: 10px 0; }
#ring { width: 220px; height: 6px; background: var(--border); border-radius: 4px; overflow: hidden; margin: 8px auto; }
#bar { height: 100%; background: var(--accent); width: 100%; }
.hidden { display: none; }

/* ---------------------------------------------------------------- req_3 */
:root { --accent2: #23d5c8; }

textarea { font: inherit; padding: 10px 12px; border-radius: 10px; border: 1px solid var(--border);
           background: var(--panel); color: var(--ink); resize: vertical; }
body.center textarea { width: 260px; max-width: 100%; margin: 6px 0; }
button:hover { filter: brightness(1.12); }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

/* esito di un test / azione, mostrato SUBITO sotto il controllo che l'ha generato */
.result { margin: 4px 0 10px; padding: 8px 12px; border-radius: 10px; font-size: 14px;
          border: 1px solid; animation: pop .25s ease-out; }
.result.ok { color: var(--ok); border-color: rgba(88,214,141,.45); background: rgba(88,214,141,.08); }
.result.ko { color: var(--err); border-color: rgba(255,107,107,.45); background: rgba(255,107,107,.08); }
@keyframes pop { from { transform: translateY(-4px); opacity: 0; } to { transform: none; opacity: 1; } }

/* pagine di accesso (login, app): pannello centrale */
.auth { width: 100%; max-width: 360px; background: var(--panel); border: 1px solid var(--border);
        border-radius: 18px; padding: 28px 22px; box-shadow: 0 20px 60px rgba(0,0,0,.45); }
.auth h1 { margin: 10px 0 4px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-size: 20px; }
.brand img { border-radius: 12px; }
.brand b, .hero-title b { color: var(--accent2); }
.stack { display: flex; flex-direction: column; align-items: center; }
.note { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--border); font-size: 14px; color: var(--muted); }
details summary { cursor: pointer; color: var(--accent2); margin: 6px 0; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; }
.steps { text-align: left; font-size: 13px; color: var(--muted); padding-left: 18px; margin: 8px 0; }

/* home */
#fx { position: fixed; inset: 0; width: 100%; height: 100%; z-index: -1;
      background: radial-gradient(ellipse at 50% 30%, #13203d 0%, var(--bg) 70%); }
.hero { display: flex; flex-direction: column; align-items: center; padding: 16px; }
.hero-logo { border-radius: 20px; filter: drop-shadow(0 0 24px rgba(43,108,255,.5)); }
.hero-title { font-size: clamp(42px, 10vw, 88px); margin: 12px 0 6px; letter-spacing: -1px; }
.hero-line { font-size: clamp(22px, 5vw, 38px); margin: 4px 0; }
.hero-line.small { font-size: clamp(16px, 3.6vw, 22px); color: var(--muted); }
.hero-f { color: var(--accent2); font-weight: 700; }
.word { display: inline-block; color: var(--accent); font-weight: 600; transition: opacity .3s, transform .3s; }
.word.alt { color: var(--accent2); }
.word.out { opacity: 0; transform: translateY(-8px); }
.hero-cta { margin-top: 28px; padding: 14px 34px; border-radius: 999px; text-decoration: none; color: #fff;
            font-weight: 600; background: linear-gradient(90deg, var(--accent), var(--accent2));
            box-shadow: 0 0 30px rgba(43,108,255,.45); transition: transform .2s; }
.hero-cta:hover { transform: translateY(-2px) scale(1.03); }
.hero-foot { position: fixed; bottom: 12px; left: 0; right: 0; font-size: 12px; color: var(--muted); }

/* servizi */
.svc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.svc { display: block; text-decoration: none; color: var(--ink); background: var(--panel); border: 1px solid var(--border);
       border-radius: var(--radius); padding: 16px; transition: border-color .2s, transform .2s; }
.svc:hover { border-color: var(--accent); transform: translateY(-2px); }
.svc small { color: var(--muted); }