/* ============================================================
   SaaS Subscription Platform Demo — Design System
   Stile: AI Company · Enterprise · Minimal · Dark premium
   ============================================================ */
:root {
  --bg: #05060a;
  --bg-alt: #090b12;
  --surface: #0d1019;
  --surface-2: #12161f;
  --line: rgba(255, 255, 255, 0.08);
  --text: #f2f4f8;
  --text-dim: #9aa3b2;
  --violet: #7c5cff;
  --cyan: #33e0ff;
  --ok: #34d399;
  --warn: #fbbf24;
  --err: #f87171;
  --grad: linear-gradient(120deg, var(--violet), var(--cyan));
  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --radius: 16px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: clip; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
  max-width: 100%;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
::selection { background: var(--violet); color: #fff; }

.container { max-width: 1180px; margin-inline: auto; padding-inline: var(--gutter); }

/* ---------- Tipografia ---------- */
h1, h2, h3, h4 { font-family: var(--font-display); letter-spacing: -0.02em; line-height: 1.15; }
.eyebrow {
  font-family: var(--font-display); font-size: 0.78rem; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  background: var(--grad); -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; margin-bottom: 0.9rem;
}
.grad { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.muted { color: var(--text-dim); }

/* ---------- Bottoni ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-family: var(--font-display); font-weight: 600; font-size: 0.95rem; white-space: nowrap;
  padding: 0.75rem 1.5rem; border-radius: 10px; border: none; cursor: pointer;
  transition: transform 0.25s cubic-bezier(0.22,1,0.36,1), box-shadow 0.25s, opacity 0.25s, border-color 0.25s;
  position: relative;
}
.btn--primary { background: var(--grad); color: #fff; box-shadow: 0 4px 20px rgba(124,92,255,0.35); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(124,92,255,0.5); }
.btn--ghost { background: rgba(255,255,255,0.03); border: 1px solid var(--line); color: var(--text); }
.btn--ghost:hover { transform: translateY(-2px); border-color: rgba(124,92,255,0.5); }
.btn--danger { background: rgba(248,113,113,0.12); border: 1px solid rgba(248,113,113,0.4); color: var(--err); }
.btn--danger:hover { background: rgba(248,113,113,0.2); }
.btn--sm { padding: 0.45rem 1rem; font-size: 0.83rem; }
.btn--block { width: 100%; }
.btn[disabled] { opacity: 0.5; pointer-events: none; }
.btn.is-loading { color: transparent; pointer-events: none; }
.btn.is-loading::after {
  content: ""; position: absolute; width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,0.4); border-top-color: #fff; border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Card / superfici ---------- */
.card {
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 1.6rem;
}
.card--hover { transition: transform 0.3s cubic-bezier(0.22,1,0.36,1), border-color 0.3s, box-shadow 0.3s; }
.card--hover:hover { transform: translateY(-4px); border-color: rgba(124,92,255,0.4); box-shadow: 0 16px 48px rgba(0,0,0,0.45); }

/* ---------- Badge ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.04em;
  padding: 0.22rem 0.7rem; border-radius: 999px;
}
.badge--ok { background: rgba(52,211,153,0.12); color: var(--ok); border: 1px solid rgba(52,211,153,0.3); }
.badge--warn { background: rgba(251,191,36,0.12); color: var(--warn); border: 1px solid rgba(251,191,36,0.3); }
.badge--err { background: rgba(248,113,113,0.12); color: var(--err); border: 1px solid rgba(248,113,113,0.3); }
.badge--info { background: rgba(51,224,255,0.1); color: var(--cyan); border: 1px solid rgba(51,224,255,0.3); }

/* ---------- Form ---------- */
.field { margin-bottom: 1.1rem; }
.field label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 0.4rem; }
.field input, .field select, .field textarea {
  width: 100%; padding: 0.75rem 1rem;
  background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px;
  color: var(--text); font-family: var(--font-body); font-size: 0.95rem;
  transition: border-color 0.25s, box-shadow 0.25s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--violet);
  box-shadow: 0 0 0 3px rgba(124,92,255,0.18);
}
.field .error-msg { display: none; font-size: 0.78rem; color: var(--err); margin-top: 0.3rem; }
.field.has-error input, .field.has-error select { border-color: var(--err); }
.field.has-error .error-msg { display: block; }
.check { display: block; position: relative; padding-left: 1.7rem; font-size: 0.85rem; line-height: 1.5; color: var(--text-dim); margin-bottom: 0.8rem; cursor: pointer; }
.check input { position: absolute; left: 0; top: 0.15em; width: 16px; height: 16px; accent-color: var(--violet); }
.check a { white-space: nowrap; }

/* ---------- Tabelle ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; min-width: 560px; }
th, td { text-align: left; padding: 0.85rem 1.1rem; border-bottom: 1px solid var(--line); }
th { font-family: var(--font-display); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-dim); background: var(--surface-2); }
tbody tr:last-child td { border-bottom: none; }
tbody tr { transition: background 0.2s; }
tbody tr:hover { background: rgba(124,92,255,0.04); }

/* ---------- Toast (avviso prominente in alto al centro) ---------- */
#toast-zone {
  position: fixed; top: 1.4rem; left: 50%; transform: translateX(-50%);
  z-index: 999; display: flex; flex-direction: column; align-items: center; gap: 0.6rem;
}
.toast {
  display: flex; align-items: center; gap: 0.7rem;
  background: var(--surface-2); border: 1px solid var(--line); border-radius: 14px;
  padding: 1rem 1.5rem; font-size: 1rem; font-weight: 600;
  min-width: 300px; max-width: 92vw;
  box-shadow: 0 16px 50px rgba(0,0,0,0.6);
  animation: toastIn 0.4s cubic-bezier(0.22,1,0.36,1);
}
.toast__ico {
  flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem; color: #fff; font-weight: 700;
}
.toast--ok  { border-left: 4px solid var(--ok); }
.toast--ok  .toast__ico { background: var(--ok); }
.toast--err { border-left: 4px solid var(--err); }
.toast--err .toast__ico { background: var(--err); }
.toast--info { border-left: 4px solid var(--cyan); }
.toast--info .toast__ico { background: var(--cyan); color: #05060a; }
.toast.is-leaving { animation: toastOut 0.3s forwards; }
@keyframes toastIn { from { opacity: 0; transform: translateY(-16px) scale(0.96); } }
@keyframes toastOut { to { opacity: 0; transform: translateY(-12px); } }

/* conferma inline accanto al pulsante di salvataggio */
.form-ok {
  display: inline-flex; align-items: center;
  margin-left: 0.9rem; font-size: 0.9rem; font-weight: 600; color: var(--ok);
  opacity: 0; transform: translateX(-6px);
  transition: opacity 0.3s, transform 0.3s;
}
.form-ok.is-show { opacity: 1; transform: none; }

/* etichetta ruolo nel pannello admin (accanto al logo nella barra) */
.side-role {
  display: flex; align-items: center; gap: 0.45rem;
  margin: 0 0.6rem 0.8rem; padding: 0.4rem 0.7rem;
  background: rgba(51,224,255,0.08); border: 1px solid rgba(51,224,255,0.28);
  border-radius: 8px; font-size: 0.76rem; font-weight: 600; letter-spacing: 0.02em;
  color: var(--cyan); white-space: nowrap;
}
.side-role svg { width: 15px; height: 15px; flex-shrink: 0; }
@media (max-width: 960px) { .side-role { margin: 0; } }

/* contatore ticket aperti nel menù (pallino col numero) */
.side-badge {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 18px; height: 18px; padding: 0 5px; margin-left: auto;
  background: var(--err); color: #fff; border-radius: 999px;
  font-size: 0.7rem; font-weight: 700; line-height: 1;
}

/* ---------- Icone SVG bianche e minimaliste ---------- */
.side-link svg, .icon-svg { width: 19px; height: 19px; flex-shrink: 0; color: #fff; }
.card__icon .icon-svg { width: 26px; height: 26px; }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 900;
  background: rgba(5,6,10,0.8); backdrop-filter: blur(6px);
  display: none; align-items: center; justify-content: center; padding: 1.5rem;
}
.modal-backdrop.is-open { display: flex; }
.modal {
  background: var(--surface); border: 1px solid var(--line); border-radius: 20px;
  padding: 2rem; max-width: 480px; width: 100%; max-height: 90vh; overflow-y: auto;
  animation: toastIn 0.3s cubic-bezier(0.22,1,0.36,1);
}
.modal h3 { margin-bottom: 1rem; }

/* ---------- Nav pubblica (identica al sito principale) ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(5, 6, 10, 0.88);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}
.nav__inner {
  max-width: 1280px; margin-inline: auto; padding-inline: var(--gutter);
  height: 74px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav__brand { display: flex; align-items: center; gap: 0.5rem; }
.nav__logo { height: 40px; width: auto; display: block; }
.nav__menu { display: flex; align-items: center; gap: 2.2rem; }
.nav__link {
  font-family: var(--font-display); font-size: 0.95rem; font-weight: 500;
  color: var(--text-dim); position: relative; transition: color 0.3s;
}
.nav__link::after {
  content: ""; position: absolute; left: 0; bottom: -6px;
  width: 100%; height: 2px; background: var(--grad);
  transform: scaleX(0); transform-origin: right;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.nav__link:hover { color: var(--text); }
.nav__link:hover::after { transform: scaleX(1); transform-origin: left; }
.nav__cta { padding: 0.6rem 1.3rem; font-size: 0.9rem; }
.nav__toggle {
  display: none; flex-direction: column; gap: 6px;
  align-items: center; justify-content: center;
  background: none; border: none; cursor: pointer;
  min-width: 48px; min-height: 48px; padding: 11px;
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none; user-select: none;
  /* il tocco sul pulsante non deve mai essere interpretato come scorrimento */
  touch-action: none;
}
/* 'touch-action' non è ereditata: senza questa regola, toccando esattamente i
   trattini dell'icona il browser poteva annullare il tocco. Resi non interattivi,
   il bersaglio è sempre il bottone e tutta l'area 48x48 risponde allo stesso modo. */
.nav__toggle > * { pointer-events: none; touch-action: none; }
.nav__toggle span { display: block; width: 26px; height: 2px; background: var(--text); border-radius: 2px; transition: transform 0.3s, opacity 0.3s; }
.nav__toggle[aria-expanded="true"] span:first-child { transform: translateY(4px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:last-child { transform: translateY(-4px) rotate(-45deg); }
@media (max-width: 900px) {
  .nav__toggle { display: flex; }
  /* logo e X restano SOPRA l'overlay (visibili e cliccabili) */
  .nav__brand, .nav__toggle { position: relative; z-index: 60; }
  /* logo molto largo (~8:1): ridotto e limitato per non invadere l'hamburger */
  .nav__logo { height: 32px; }
  .nav__brand { max-width: calc(100% - 76px); }
  .nav__brand img { max-width: 100%; height: auto; }
  .nav__toggle { z-index: 70; flex: 0 0 auto; }
  .nav__menu {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100dvh; z-index: -1;
    flex-direction: column; justify-content: center; gap: 2rem;
    padding: var(--nav-h, 74px) 1.5rem 2rem;
    background: rgba(5, 6, 10, 0.985); backdrop-filter: blur(22px); -webkit-backdrop-filter: blur(22px);
    opacity: 0; pointer-events: none; transition: opacity 0.35s ease;
  }
  .nav__menu.is-open { opacity: 1; pointer-events: auto; z-index: 40; }
  .nav__link { font-size: 1.4rem; }
  .nav__cta { font-size: 1.1rem; padding: 0.9rem 1.8rem; }
}
/* ---------- Layout app: sidebar verticale (area/admin) ---------- */
.brand-logo { height: 30px; width: auto; max-width: 175px; object-fit: contain; object-position: left center; display: block; }
.app-shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar {
  background: var(--bg-alt); border-right: 1px solid var(--line);
  padding: 1.4rem 1rem; display: flex; flex-direction: column; gap: 0.25rem;
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.sidebar .nav__brand { padding: 0 0.6rem 1.2rem; }
.sidebar a.side-link {
  display: flex; align-items: center; gap: 0.7rem;
  padding: 0.65rem 0.9rem; border-radius: 10px;
  color: var(--text-dim); font-size: 0.9rem; font-weight: 500;
  transition: background 0.2s, color 0.2s;
}
.sidebar a.side-link:hover { background: rgba(255,255,255,0.04); color: var(--text); }
.sidebar a.side-link.is-active { background: rgba(124,92,255,0.14); color: var(--text); }
.sidebar .side-spacer { flex: 1; }
.side-link--logout {
  margin-top: 0.5rem; justify-content: center;
  border: 1px solid rgba(248,113,113,0.4); color: #ffb4b4; font-weight: 600;
}
.side-link--logout svg { color: currentColor; }
.side-link--logout:hover { background: rgba(248,113,113,0.16); border-color: rgba(248,113,113,0.7); color: #fff; }
/* su tablet/smartphone la sidebar diventa una barra orizzontale scorrevole in alto */
@media (max-width: 960px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    flex-direction: row; overflow-x: auto; overflow-y: visible; height: auto;
    position: sticky; top: 0; z-index: 40;
    border-right: none; border-bottom: 1px solid var(--line);
    padding: 0.6rem 0.7rem; gap: 0.4rem; align-items: center;
    background: rgba(9,11,18,0.95); backdrop-filter: blur(12px);
  }
  .sidebar .nav__brand { padding: 0 0.6rem; white-space: nowrap; }
  .sidebar a.side-link { white-space: nowrap; padding: 0.5rem 0.8rem; font-size: 0.82rem; }
  .sidebar .side-spacer { display: none; }
  .side-link--logout { margin-top: 0; }
  .side-role { margin: 0 0.3rem 0 0; white-space: nowrap; }
}

/* ---------- Contenuto dashboard ---------- */
.main-area { padding: clamp(1.4rem, 3vw, 2.5rem); min-width: 0; }
.main-area > section { display: none; }
.main-area > section.is-visible { display: block; animation: fadeUp 0.35s cubic-bezier(0.22,1,0.36,1); }
@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } }
.page-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; margin-bottom: 1.6rem; }
.page-head h1 { font-size: 1.5rem; }

/* ---------- Stat tiles ---------- */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 1rem; margin-bottom: 1.6rem; }
.stat-tile { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem 1.3rem; }
.stat-tile .label { font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-dim); }
.stat-tile .value { font-family: var(--font-display); font-size: 1.65rem; font-weight: 700; margin-top: 0.25rem; }
.stat-tile .delta { font-size: 0.75rem; margin-top: 0.2rem; }

/* ---------- Skeleton loading ---------- */
.skeleton { background: linear-gradient(90deg, var(--surface-2) 25%, rgba(255,255,255,0.06) 50%, var(--surface-2) 75%); background-size: 200% 100%; animation: shimmer 1.4s infinite; border-radius: 8px; min-height: 1em; }
@keyframes shimmer { to { background-position: -200% 0; } }

/* ---------- Sezioni landing ---------- */
.section { padding-block: clamp(3.5rem, 8vw, 6.5rem); }
.section--alt { background: linear-gradient(180deg, transparent, rgba(124,92,255,0.04), transparent); }
.section__head { max-width: 640px; margin-bottom: 2.5rem; }
.section__head h2 { font-size: clamp(1.7rem, 3.6vw, 2.6rem); margin-bottom: 0.8rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.3rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.3rem; }

/* ---------- Footer (identico al sito) ---------- */
.footer {
  padding-block: 3.5rem;
  background:
    linear-gradient(180deg, #0c1a38 0%, transparent 24%, transparent 76%, #0c1a38 100%),
    linear-gradient(120deg, #3d2f8c 0%, #1f5f9e 25%, #3d2f8c 50%, #1f5f9e 75%, #3d2f8c 100%);
  background-size: 100% 100%, 300% 300%;
  animation: flowGrad 22s ease-in-out infinite;
}
.footer__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: clamp(2rem, 4vw, 4rem); }
.footer__heading { font-family: var(--font-display); font-size: 1.1rem; font-weight: 700; color: #fff; margin-bottom: 1.4rem; text-shadow: 0 2px 16px rgba(8,10,30,0.5); }
.footer__text { font-size: 0.95rem; color: rgba(255,255,255,0.95); line-height: 1.6; margin-bottom: 1.1rem; text-shadow: 0 1px 12px rgba(8,10,30,0.45); }
.footer__list { list-style: none; padding: 0; margin: 0; }
.footer__list li { font-size: 0.95rem; color: rgba(255,255,255,0.95); line-height: 1.5; margin-bottom: 1.1rem; text-shadow: 0 1px 12px rgba(8,10,30,0.45); }
.footer__list li:last-child { margin-bottom: 0; }
.footer__link { color: #fff; font-weight: 600; text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; transition: opacity 0.3s; }
.footer__link:hover { opacity: 0.8; }
@keyframes flowGrad { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
/* pulsanti/testi in gradiente animato come sul sito */
.btn--primary { background-image: linear-gradient(120deg, var(--violet) 0%, var(--cyan) 25%, var(--violet) 50%, var(--cyan) 75%, var(--violet) 100%); background-size: 300% 300%; animation: flowGrad 22s ease-in-out infinite; }
@media (max-width: 860px) { .footer__grid { grid-template-columns: repeat(2, 1fr); gap: 2.5rem; } }
@media (max-width: 520px) { .footer__grid { grid-template-columns: 1fr; gap: 2.2rem; } }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .grid-3 { grid-template-columns: 1fr; max-width: 480px; margin-inline: auto; }
  .grid-2 { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .page-head h1 { font-size: 1.25rem; }
  #toast-zone { width: calc(100vw - 1.5rem); }
  .toast { min-width: 0; width: 100%; }
}

/* ============================================================
   RESTYLE PREMIUM — identità "deep-tech" condivisa (solo UI)
   Nessuna modifica a logica, markup funzionale o comportamento.
   ============================================================ */
:root {
  --line: rgba(255,255,255,0.10);
  --line-strong: rgba(255,255,255,0.16);
  --radius: 18px;
  --radius-sm: 12px;
  --shadow-soft: 0 1px 0 rgba(255,255,255,0.05) inset, 0 20px 55px -18px rgba(0,0,0,0.75);
  --glow: 0 0 0 1px rgba(124,92,255,0.20), 0 26px 70px -22px rgba(124,92,255,0.30);
}

/* Sfondo stratificato: bagliori profondi navy/viola/ciano + griglia tecnica sfumata */
body { background: #06070d; }
body::before {
  content: ""; position: fixed; inset: 0; z-index: -3; pointer-events: none;
  background:
    radial-gradient(1100px 760px at 12% -8%, rgba(124,92,255,0.14), transparent 60%),
    radial-gradient(1000px 720px at 100% 3%, rgba(51,224,255,0.10), transparent 55%),
    radial-gradient(1200px 900px at 50% 120%, rgba(18,38,86,0.50), transparent 60%),
    linear-gradient(180deg, #06070d 0%, #080b14 45%, #06070d 100%);
}
body::after {
  content: ""; position: fixed; inset: 0; z-index: -2; pointer-events: none; opacity: 0.55;
  background-image:
    linear-gradient(rgba(255,255,255,0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.028) 1px, transparent 1px);
  background-size: 62px 62px;
  -webkit-mask-image: radial-gradient(ellipse 100% 72% at 50% -4%, #000 8%, transparent 76%);
  mask-image: radial-gradient(ellipse 100% 72% at 50% -4%, #000 8%, transparent 76%);
}

/* Card premium: vetro leggero + filo di luce in alto + ombra morbida */
.card {
  background:
    linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0) 44%),
    linear-gradient(180deg, rgba(20,25,36,0.72), rgba(12,15,24,0.74));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  position: relative;
}
.card > * { position: relative; z-index: 1; }
.card::after {
  content: ""; position: absolute; top: 0; left: 14%; right: 14%; height: 1px; z-index: 0;
  background: linear-gradient(90deg, transparent, rgba(124,92,255,0.6), rgba(51,224,255,0.45), transparent);
  opacity: 0.7;
}
.card--hover { transition: transform .35s cubic-bezier(.22,1,.36,1), border-color .35s, box-shadow .35s; }
.card--hover:hover { transform: translateY(-5px); border-color: rgba(124,92,255,0.45); box-shadow: var(--glow), var(--shadow-soft); }

/* Bottoni premium */
.btn { border-radius: var(--radius-sm); letter-spacing: 0.01em; }
.btn--primary {
  background: linear-gradient(120deg, #8a6bff 0%, #7c5cff 42%, #45c8ff 130%);
  box-shadow: 0 8px 24px -8px rgba(124,92,255,0.65), inset 0 1px 0 rgba(255,255,255,0.28);
}
.btn--primary:hover { box-shadow: 0 14px 36px -8px rgba(124,92,255,0.8), inset 0 1px 0 rgba(255,255,255,0.32); }
.btn--ghost { background: rgba(255,255,255,0.045); border-color: var(--line-strong); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); }
.btn--ghost:hover { background: rgba(255,255,255,0.08); border-color: rgba(124,92,255,0.55); box-shadow: 0 0 0 1px rgba(124,92,255,0.28); }

/* Input premium: vetro + focus luminoso */
.field input, .field select, .field textarea {
  background: rgba(8,11,18,0.72); border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: rgba(124,92,255,0.9);
  box-shadow: 0 0 0 3px rgba(124,92,255,0.20), 0 0 26px -8px rgba(124,92,255,0.5);
}

/* Stat tiles premium: accento laterale + micro-gradiente */
.stat-tile {
  background: linear-gradient(160deg, rgba(124,92,255,0.09), rgba(255,255,255,0.012) 42%), rgba(15,19,28,0.7);
  border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow-soft); position: relative; overflow: hidden;
}
.stat-tile::before { content: ""; position: absolute; top: 0; bottom: 0; left: 0; width: 3px; background: var(--grad); opacity: 0.9; }

/* Tabelle premium */
.table-wrap {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: rgba(12,15,24,0.55); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  box-shadow: var(--shadow-soft);
}
th { background: rgba(255,255,255,0.035); border-bottom: 1px solid var(--line-strong); }
tbody tr:hover { background: rgba(124,92,255,0.06); }

/* Badge premium */
.badge { -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }

/* Modali premium */
.modal-backdrop { background: rgba(3,4,8,0.62); -webkit-backdrop-filter: blur(7px); backdrop-filter: blur(7px); }
.modal {
  background: linear-gradient(180deg, rgba(20,25,36,0.92), rgba(12,15,24,0.94));
  border: 1px solid var(--line-strong); border-radius: var(--radius);
  box-shadow: 0 44px 130px -24px rgba(0,0,0,0.85), 0 0 0 1px rgba(124,92,255,0.10);
  -webkit-backdrop-filter: blur(22px); backdrop-filter: blur(22px);
}

/* Sidebar premium: pannello vetro + voce attiva con barra d'accento */
.sidebar {
  background: linear-gradient(180deg, rgba(12,17,32,0.78), rgba(8,10,18,0.86));
  border-right: 1px solid var(--line); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
}
.sidebar a.side-link { border-radius: var(--radius-sm); }
.sidebar a.side-link.is-active {
  background: linear-gradient(90deg, rgba(124,92,255,0.22), rgba(124,92,255,0.05));
  box-shadow: inset 3px 0 0 var(--violet);
}
@media (max-width: 960px) {
  .sidebar { background: rgba(9,11,18,0.92); }
  .sidebar a.side-link.is-active { box-shadow: inset 0 -3px 0 var(--violet); }
}

/* Titoli di pagina dashboard: accento verticale */
.page-head h1 { position: relative; padding-left: 0.9rem; }
.page-head h1::before {
  content: ""; position: absolute; left: 0; top: 0.15em; bottom: 0.15em; width: 4px;
  border-radius: 4px; background: var(--grad);
}

/* Ritmo cromatico tra sezioni (pagine pubbliche della piattaforma) */
.section--alt { background: linear-gradient(180deg, transparent, rgba(124,92,255,0.05) 42%, rgba(51,224,255,0.03) 72%, transparent); }

/* ---------- Codice cliente (identificativo unico e permanente) ---------- */
.codice-cliente {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  flex-wrap: wrap; margin-bottom: 1.6rem; padding: 0.9rem 1.2rem;
  background: linear-gradient(120deg, rgba(124,92,255,0.14), rgba(51,224,255,0.07));
  border: 1px solid rgba(124,92,255,0.4); border-radius: var(--radius);
  box-shadow: 0 14px 40px -22px rgba(124,92,255,0.55);
}
.codice-cliente__et {
  display: block; font-size: 0.7rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--text-dim); margin-bottom: 0.15rem;
}
.codice-cliente__val {
  font-family: var(--font-display); font-size: 1.45rem; font-weight: 700;
  letter-spacing: 0.06em; color: var(--cyan);
}
@media (max-width: 520px) {
  .codice-cliente { flex-direction: column; align-items: flex-start; gap: 0.7rem; }
  .codice-cliente__val { font-size: 1.25rem; }
}

/* ---------- Barra legale del footer (sempre visibile) ---------- */
.footer__legale {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 0.8rem 1.5rem;
  margin-top: 2.4rem; padding-top: 1.4rem;
  border-top: 1px solid rgba(255, 255, 255, 0.22);
  font-size: 0.88rem; color: rgba(255, 255, 255, 0.9);
}
.footer__legale-link { display: flex; flex-wrap: wrap; gap: 1.6rem; }
.footer__legale-link a {
  color: #ffffff; font-weight: 600;
  text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px;
  transition: opacity 0.3s;
}
.footer__legale-link a:hover { opacity: 0.75; }
@media (max-width: 560px) {
  .footer__legale { flex-direction: column; align-items: center; text-align: center; gap: 0.6rem; }
  .footer__legale-link { justify-content: center; gap: 0.6rem; }
  /* area di tocco comoda per il dito (i link legali devono essere facili da aprire) */
  .footer__legale-link a { padding: 0.6rem 0.75rem; }
}