/* ============================================================================
   PA SSO Proxy — Pagina di scelta provider + errori
   Design system: Montesilvano / .italia  (Titillium Web, #003366 navy, #06c blue)
   ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Titillium+Web:wght@300;400;600;700;900&display=swap');

/* ---------- TOKENS ---------- */
:root {
  --bi-primary:       #06c;
  --bi-primary-h:     #004080;
  --bi-primary-a4:    rgba(0,102,204,.04);
  --bi-primary-a8:    rgba(0,102,204,.08);
  --bi-primary-a16:   rgba(0,102,204,.16);
  --bi-navy:          #003366;
  --it-green:         #008C45;

  --fg-1:   #17324D;
  --fg-2:   #334155;
  --fg-3:   #64748B;
  --fg-link: var(--bi-primary);
  --fg-link-hover: var(--bi-primary-h);

  --bg-0:   #fff;
  --bg-1:   #F8FAFC;
  --bg-2:   #F1F5F9;

  --border-1: #E2E8F0;
  --border-2: #CBD5E1;

  --font-sans: 'Titillium Web', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', Menlo, Consolas, monospace;

  --fs-12: 0.75rem;
  --fs-13: 0.8125rem;
  --fs-14: 0.875rem;
  --fs-16: 1rem;
  --fs-18: 1.125rem;
  --fs-20: 1.25rem;
  --fs-24: 1.5rem;

  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px;
  --sp-5: 24px; --sp-6: 32px; --sp-7: 48px;

  --r-sm: 4px;  --r-md: 8px;

  --shadow-1: 0 1px 2px rgba(23,50,77,.06);
  --shadow-2: 0 2px 6px rgba(23,50,77,.08), 0 1px 2px rgba(23,50,77,.04);

  --dur-fast: 120ms;
  --dur-base: 200ms;
  --ease-out: cubic-bezier(.2,.7,.3,1);
}

/* ---------- RESET ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; min-height: 100dvh;
  font-family: var(--font-sans);
  font-size: var(--fs-16);
  line-height: 1.5;
  color: var(--fg-1);
  background: var(--bg-1);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, p { margin: 0; }
button { font-family: var(--font-sans); }
a { color: var(--fg-link); text-decoration: underline; text-underline-offset: 3px; }
a:hover { color: var(--fg-link-hover); }

/* ---------- PAGE SHELL ---------- */
.sso {
  min-height: 100dvh;
  display: flex; flex-direction: column;
  background: var(--bg-1);
}

/* ---------- SLIM PA BAR ---------- */
.sso-slim {
  background: var(--bi-navy); color: #fff;
  font-size: var(--fs-13); flex: 0 0 auto;
}
.sso-slim-in {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 var(--sp-5); height: 38px; gap: var(--sp-4);
  max-width: 960px; margin: 0 auto; width: 100%;
}
.sso-slim .gov {
  display: inline-flex; align-items: center; gap: var(--sp-2); opacity: .94;
}
.gov-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--it-green); flex: 0 0 auto; }
.sso-lang { display: flex; gap: 4px; align-items: center; }
.sso-lang a, .sso-lang span {
  padding: 2px 7px; border-radius: 3px; font-weight: 600;
  color: #fff; text-decoration: none; transition: background var(--dur-fast);
}
.sso-lang a.active, .sso-lang span.active { background: rgba(255,255,255,.16); }
.sso-lang a:not(.active), .sso-lang span:not(.active) { opacity: .6; font-weight: 400; }

/* ---------- ENTE BRAND ---------- */
.sso-brand {
  display: flex; flex-direction: column; align-items: center;
  text-align: center; gap: var(--sp-3);
  padding: var(--sp-5) var(--sp-5) var(--sp-4); flex: 0 0 auto;
}
.sso-crest { width: 64px; height: 64px; object-fit: contain; }
.sso-crest-svg { width: 64px; height: 64px; flex: 0 0 auto; }
.sso-brand-eyebrow {
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .1em;
  color: var(--fg-3); margin: 0 0 2px;
}
.sso-brand-name {
  font-weight: 700; font-size: var(--fs-20); color: var(--bi-navy);
  line-height: 1.1; letter-spacing: -.005em;
}
.sso-brand-sub { font-size: var(--fs-13); color: var(--fg-2); margin-top: 3px; }

/* ---------- MAIN AREA ---------- */
.sso-main {
  flex: 1 1 auto;
  display: flex; flex-direction: column; align-items: center;
  padding: var(--sp-2) var(--sp-5) var(--sp-6);
}

/* ---------- CARD ---------- */
.sso-card {
  background: var(--bg-0);
  border: 1px solid var(--border-1);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-2);
  padding: var(--sp-6);
  width: 100%; max-width: 440px;
}

.sso-kicker {
  font-size: var(--fs-12); font-weight: 600; text-transform: uppercase; letter-spacing: .08em;
  color: var(--bi-primary); margin: 0 0 var(--sp-2);
}
.sso-title {
  font-size: var(--fs-24); font-weight: 700; color: var(--fg-1);
  margin: 0 0 var(--sp-2); line-height: 1.3; letter-spacing: -.005em;
}
.sso-lead {
  font-size: 0.9375rem; color: var(--fg-2); margin: 0 0 var(--sp-5); line-height: 1.5;
}

/* ---------- APP CONTEXT CHIP ---------- */
.sso-appctx {
  display: flex; align-items: center; gap: var(--sp-3);
  background: var(--bi-primary-a4);
  border: 1px solid var(--bi-primary-a16);
  border-radius: var(--r-sm);
  padding: var(--sp-3) var(--sp-4);
  margin: 0 0 var(--sp-5);
}
.sso-appctx .ico {
  width: 34px; height: 34px; border-radius: var(--r-sm); flex: 0 0 auto;
  background: var(--bi-primary-a8); color: var(--bi-primary);
  display: flex; align-items: center; justify-content: center;
}
.sso-appctx .ico svg { width: 18px; height: 18px; }
.sso-appctx .lbl { font-size: var(--fs-12); color: var(--fg-3); line-height: 1.3; }
.sso-appctx .val { font-size: 0.9375rem; font-weight: 600; color: var(--fg-1); line-height: 1.3; }

/* ---------- METHOD STACK ---------- */
.sso-methods { display: flex; flex-direction: column; gap: var(--sp-3); }

/* ---------- SPID BUTTON ---------- */
.spid-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; min-height: 48px; padding: 10px 16px;
  background: #06c; color: #fff;
  border: none; border-radius: var(--r-sm);
  font-family: var(--font-sans); font-weight: 700; font-size: var(--fs-16);
  cursor: pointer; transition: background var(--dur-fast) var(--ease-out);
  position: relative; white-space: nowrap; text-decoration: none;
}
.spid-btn:hover { background: #0059b3; }
.spid-btn .spid-mark { width: 26px; height: 26px; flex: 0 0 auto; }
.spid-btn .spid-word { font-weight: 700; letter-spacing: .01em; }
.spid-btn .chev {
  position: absolute; right: 14px; width: 16px; height: 16px; opacity: .9;
  transition: transform var(--dur-base) var(--ease-out);
}
.spid-btn[aria-expanded="true"] .chev { transform: rotate(180deg); }

/* ---------- CIE BUTTON ---------- */
.cie-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  width: 100%; min-height: 48px; padding: 10px 16px;
  background: #fff; color: var(--bi-navy);
  border: 1.5px solid var(--bi-navy); border-radius: var(--r-sm);
  font-family: var(--font-sans); font-weight: 700; font-size: var(--fs-16);
  cursor: pointer; transition: background var(--dur-fast) var(--ease-out);
  white-space: nowrap; text-decoration: none;
}
.cie-btn:hover { background: #f0f4f8; }
.cie-btn .cie-img { height: 22px; flex: 0 0 auto; }

/* ---------- SPID IDP PANEL ---------- */
.idp-panel {
  border: 1px solid var(--border-1); border-radius: var(--r-md);
  background: var(--bg-0); box-shadow: var(--shadow-1); overflow: hidden;
}
.idp-panel-head { padding: var(--sp-4) var(--sp-4) var(--sp-2); }
.idp-panel-head .t { font-size: var(--fs-14); font-weight: 700; color: var(--fg-1); }
.idp-panel-head .s { font-size: var(--fs-12); color: var(--fg-3); margin-top: 3px; }
.idp-grid {
  display: grid; grid-template-columns: 1fr; gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4) var(--sp-4);
}
.idp-grid:has(.idp-tile--logo-only) {
  grid-template-columns: repeat(3, 1fr);
}
.idp-tile {
  display: flex; align-items: center; gap: var(--sp-3);
  height: 44px; padding: 0 var(--sp-4);
  border: 1px solid var(--border-1); border-radius: var(--r-sm);
  background: #fff; cursor: pointer; text-decoration: none; color: var(--fg-1);
  transition: border-color var(--dur-fast), box-shadow var(--dur-fast);
}
.idp-tile:hover { border-color: var(--bi-primary); box-shadow: var(--shadow-1); color: var(--fg-1); }
.idp-tile--logo-only {
  flex-direction: column; justify-content: center; align-items: center;
  height: 64px; padding: var(--sp-2) var(--sp-3); gap: 0;
}
.idp-logo { width: 80px; height: 28px; object-fit: contain; flex: 0 0 auto; }
.idp-tile--logo-only .idp-logo { width: 100%; height: 40px; max-width: 110px; }
.idp-name { font-size: var(--fs-14); font-weight: 600; color: var(--fg-1); white-space: nowrap; }
.idp-foot {
  border-top: 1px solid var(--border-1); padding: var(--sp-3) var(--sp-4);
  display: flex; flex-wrap: wrap; gap: var(--sp-2) var(--sp-4); align-items: center;
  background: var(--bg-1);
}
.idp-foot a { font-size: var(--fs-13); font-weight: 600; color: var(--fg-link); text-decoration: none; }
.idp-foot a:hover { text-decoration: underline; }
.idp-foot .sep { color: var(--border-2); }

/* ---------- IDENTITY TABS ---------- */
.sso-tabs {
  display: flex;
  flex-wrap: wrap;
  border-bottom: 2px solid var(--border-1);
  margin: 0 0 var(--sp-1);
}
.sso-tab {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 52px; padding: 10px 8px;
  background: transparent; border: none; border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  font-family: var(--font-sans); font-size: var(--fs-14); font-weight: 700;
  color: var(--fg-3); cursor: pointer; white-space: nowrap;
  transition: color var(--dur-fast), border-color var(--dur-fast);
}
.sso-tab:hover { color: var(--fg-1); }
.sso-tab--active { color: var(--bi-primary); border-bottom-color: var(--bi-primary); }
.sso-tab-ico { width: 28px; height: 28px; flex: 0 0 auto; object-fit: contain; }

.sso-tab-ico-wrapper {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--bi-navy);
  width: 28px;
  height: 28px;
  border-radius: var(--r-sm);
  flex: 0 0 auto;
  padding: 4px;
}
.sso-tab-ico--cie {
  width: 100%;
  height: 100%;
}

/* ---------- TAB PANELS ---------- */
.sso-tab-panel { padding-top: var(--sp-4); }
.sso-tab-panel[hidden] { display: none; }

.sso-desc {
  font-size: var(--fs-14);
  color: var(--fg-2);
  line-height: 1.5;
  margin-bottom: var(--sp-3);
}

.sso-helpers {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  margin-bottom: var(--sp-4);
  padding-left: var(--sp-1);
}
.sso-helpers a {
  font-size: var(--fs-14);
  color: var(--fg-link);
  font-weight: 600;
  text-decoration: none;
}
.sso-helpers a:hover {
  text-decoration: underline;
}

/* ---------- CIE PANEL ---------- */
.cie-panel {
  display: flex; flex-direction: column; align-items: center;
  padding: var(--sp-3) 0 var(--sp-2); gap: var(--sp-4);
}
.cie-login-btn {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  width: 100%; min-height: 52px; padding: 12px 20px;
  background: var(--bi-navy); color: #fff;
  border-radius: var(--r-sm); text-decoration: none;
  font-family: var(--font-sans); font-weight: 700; font-size: var(--fs-16);
  transition: background var(--dur-fast) var(--ease-out);
}
.cie-login-btn:hover { background: #001d3a; color: #fff; }
.cie-learn-more { font-size: var(--fs-13); margin: 0; }

.panel-foot-logo {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: var(--sp-4);
  padding-top: var(--sp-4);
  border-top: 1px solid var(--border-1);
}
.spid-agid-logo {
  max-height: 36px;
  width: auto;
}
.ministero-logo {
  max-height: 38px;
  width: auto;
}

/* ---------- HELP LINKS ---------- */
.sso-help { margin-top: var(--sp-5); display: flex; flex-direction: column; gap: var(--sp-2); }
.sso-help a { font-size: var(--fs-14); color: var(--fg-link); text-decoration: none; font-weight: 600; }
.sso-help a:hover { text-decoration: underline; }
.sso-help .muted { font-size: var(--fs-13); color: var(--fg-3); font-weight: 400; }

/* ---------- FOOTER ---------- */
.sso-foot {
  flex: 0 0 auto; border-top: 1px solid var(--border-1); background: var(--bg-0);
  padding: var(--sp-4) var(--sp-5);
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--sp-4); font-size: var(--fs-12); color: var(--fg-3); flex-wrap: wrap;
}
.sso-foot .links { display: flex; flex-wrap: wrap; gap: var(--sp-2) var(--sp-4); justify-content: flex-end; }
.sso-foot a { color: var(--fg-2); text-decoration: none; white-space: nowrap; }
.sso-foot a:hover { text-decoration: underline; }
.sso-foot .agid { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; color: var(--fg-2); }

@media (min-width: 768px) {
  .sso-foot .agid {
    flex: 1 1 0%;
  }
  .sso-foot .links {
    flex: 1 1 0%;
  }
  .sso-foot .links-placeholder {
    flex: 1 1 0%;
  }
}

@media (max-width: 767px) {
  .sso-foot {
    flex-direction: column;
    gap: var(--sp-3);
    align-items: center;
    justify-content: center;
    text-align: center;
  }
  .sso-foot .links {
    justify-content: center;
  }
}

/* ---------- SOFTWARE BADGE ---------- */
.sso-software-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-1);
  border: 1px solid var(--border-1);
  border-radius: 12px;
  padding: 4px 10px;
  color: var(--fg-2);
  text-decoration: none;
  font-weight: 600;
  transition: all var(--dur-fast) var(--ease-out);
  font-size: var(--fs-12);
}

.sso-software-badge:hover {
  background: var(--bg-2);
  border-color: var(--border-2);
  color: var(--fg-1);
  text-decoration: none !important;
}

.sso-software-badge svg {
  color: var(--fg-3);
  transition: color var(--dur-fast) var(--ease-out);
}

.sso-software-badge:hover svg {
  color: var(--fg-1);
}

.sso-software-badge .version {
  font-size: 10px;
  background: var(--border-1);
  color: var(--fg-3);
  padding: 1px 6px;
  border-radius: 8px;
  font-weight: 500;
}

.sso-software-badge:hover .version {
  background: var(--border-2);
  color: var(--fg-2);
}

/* ---------- ERROR SCREENS ---------- */
.sso-card.err { text-align: center; max-width: 460px; align-self: center; }
.sso-err-icon {
  width: 64px; height: 64px; border-radius: 50%; margin: 0 auto var(--sp-4);
  display: flex; align-items: center; justify-content: center;
}
.sso-err-icon svg { width: 32px; height: 32px; }
.sso-err-icon.warn    { background: #FFF4D9; color: #A66300; }
.sso-err-icon.danger  { background: #FCE6E9; color: #D9364F; }
.sso-err-icon.neutral { background: var(--bg-2); color: var(--fg-2); }
.sso-err-code {
  display: inline-block; margin-top: var(--sp-4);
  font-family: var(--font-mono); font-size: var(--fs-12); color: var(--fg-3);
  background: var(--bg-1); border: 1px solid var(--border-1); border-radius: var(--r-sm);
  padding: 4px 10px;
}
.sso-btn-row { display: flex; flex-direction: column; gap: var(--sp-3); margin-top: var(--sp-5); }
.btn-primary, .btn-outline {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 46px; padding: 10px 20px;
  font-family: var(--font-sans); font-weight: 600; font-size: var(--fs-16);
  border-radius: var(--r-sm); border: 1.5px solid transparent; cursor: pointer;
  text-decoration: none; transition: all var(--dur-fast) var(--ease-out);
}
.btn-primary { background: var(--bi-primary); color: #fff; border-color: var(--bi-primary); }
.btn-primary:hover { background: var(--bi-primary-h); border-color: var(--bi-primary-h); color: #fff; }
.btn-outline { background: #fff; color: var(--bi-primary); border-color: var(--border-2); }
.btn-outline:hover { background: var(--bi-primary-a8); border-color: var(--bi-primary); }
.btn-primary svg, .btn-outline svg { width: 18px; height: 18px; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 480px) {
  .sso-card { padding: var(--sp-5); border-radius: 0; border-left: 0; border-right: 0; max-width: 100%; }
  .sso-main { padding: 0 0 var(--sp-6); }
}

@media (max-width: 400px) {
  .sso-tab {
    padding: 10px 4px;
    font-size: var(--fs-13);
    gap: 4px;
  }
  .sso-tab-ico-wrapper, .sso-tab-ico {
    width: 24px;
    height: 24px;
  }
}

/* ---------- EIDAS BUTTON ---------- */
.eidas-btn {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  min-height: 48px;
  background-color: #06C;
  color: #FFF;
  border: none;
  border-radius: var(--r-sm);
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: var(--fs-16);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out);
  text-decoration: none;
  padding: 0;
  overflow: hidden;
}

.eidas-btn:hover {
  background-color: #036;
  color: #FFF;
}

.eidas-btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-right: rgba(255, 255, 255, 0.1) 1px solid;
  flex: 0 0 auto;
}

.eidas-btn-icon img {
  width: 24px;
  height: 24px;
  border: 0;
}

.eidas-btn-text {
  flex: 1;
  text-align: center;
  padding-right: 48px; /* to balance the left icon's width and keep text centered */
  color: #FFF;
  font-weight: 700;
  letter-spacing: .01em;
}