/* ============================================================================
   GNOSPHERA · css/gnosphera-auth.css — registrazione + login
   Port del design Claude Design "Registrazione Gnosphera.html" (direzione
   editoriale, accent giallo acceso): card auth su globo MapLibre, stepper,
   card piani, form, riepilogo, schermata verifica email, login card.
   ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
  /* palette (direzione editoriale) */
  --bg-0: #0a0b0e;
  --bg-1: #101218;
  --bg-2: #161922;
  --bg-3: #181a22;
  --line: #20232d;
  --line-2: #2d3039;
  --tx-hi: #eceef2;
  --tx-mid: #aab0bb;
  --tx-low: #61656f;
  --red: #d94a3d;
  --green: #34c24b;
  --cyan: #38a7c9;
  --amber: #e6a21c;
  --accent: #ffc11e;
  --accent-2: #ffd54a;
  --accent-dim: rgba(255,193,30,.14);
  --accent-ink: #1a1206;
  --font-sans: "IBM Plex Sans", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, monospace;
  --font-display: "Space Grotesk", var(--font-sans);
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 22px;
  --panel-shadow: 0 40px 90px -40px rgba(0,0,0,.9);
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg-0); color: var(--tx-hi);
  font-family: var(--font-sans); -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

/* ---------- backdrop: globo MapLibre + velo ---------- */
.backdrop { position: absolute; inset: 0; overflow: hidden; }
.auth-map { position: absolute; inset: 0; }
.auth-map .maplibregl-ctrl-attrib, .auth-map .maplibregl-ctrl-logo { display: none !important; }
.auth-veil {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(120% 90% at 50% 50%, rgba(5,6,9,.30), rgba(5,6,9,.72) 72%, rgba(5,6,9,.9)),
    radial-gradient(120% 80% at 78% 0%, rgba(255,193,30,.06), transparent 55%);
}

/* ---------- stage + card ---------- */
.stage { position: absolute; inset: 0; display: grid; place-items: center; padding: 28px; z-index: 5; }
.panel {
  background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--r-lg);
  box-shadow: var(--panel-shadow);
}
.auth-card {
  position: relative; width: min(960px, 100%); max-height: calc(100vh - 56px);
  display: flex; flex-direction: column; overflow: hidden;
}
.auth-head { display: flex; align-items: center; gap: 14px; padding: 22px 28px; border-bottom: 1px solid var(--line); }
.auth-head img.logo-mark { height: 30px; width: auto; display: block; }
.auth-head .logo-word { font: 700 16px/1 var(--font-display); letter-spacing: .22em; color: var(--tx-hi); }
.auth-head .head-sub { font-size: 11px; letter-spacing: .14em; color: var(--tx-low); text-transform: uppercase; }
.auth-head a.head-brand { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.auth-head .head-right { margin-left: auto; display: flex; align-items: center; gap: 10px; }
.auth-body { padding: 26px 28px 28px; overflow-y: auto; }
.step-title { font: 600 22px/1.2 var(--font-display); margin: 0 0 6px; color: var(--tx-hi); }
.step-sub { font-size: 14px; color: var(--tx-mid); margin: 0 0 22px; }

/* toggle lingua (link ?lang=) */
.lang-toggle { display: inline-flex; align-items: center; gap: 2px; padding: 3px; border-radius: 10px;
  background: rgba(10,11,20,.55); border: 1px solid var(--line-2); }
.lang-toggle a { border: none; background: transparent; cursor: pointer; color: var(--tx-mid); text-decoration: none;
  font: 700 12px var(--font-mono); letter-spacing: .04em; padding: 6px 9px; border-radius: 7px; transition: all .14s; }
.lang-toggle a:hover { color: var(--tx-hi); }
.lang-toggle a.on { background: var(--accent); color: var(--accent-ink); }

/* ---------- stepper ---------- */
.stepper { display: flex; align-items: center; gap: 8px; padding: 16px 28px; border-bottom: 1px solid var(--line); }
.step-pip { display: flex; align-items: center; gap: 9px; flex: 1; }
.step-num {
  width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center;
  font: 600 12px var(--font-mono); border: 1px solid var(--line-2); color: var(--tx-low);
  background: var(--bg-1); flex: none; transition: all .2s;
}
.step-label { font-size: 12px; color: var(--tx-low); letter-spacing: .02em; white-space: nowrap; transition: color .2s; }
.step-line { flex: 1; height: 1px; background: var(--line); }
.step-pip.active .step-num { border-color: var(--accent); color: var(--accent-ink); background: var(--accent); }
.step-pip.active .step-label { color: var(--tx-hi); }
.step-pip.done .step-num { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }
.step-pip.done .step-label { color: var(--tx-mid); }
@media (max-width: 640px) { .step-label { display: none; } }

/* ---------- card piani ---------- */
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.plan {
  position: relative; text-align: left; cursor: pointer;
  background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 22px 20px; transition: border-color .15s, transform .12s, box-shadow .15s;
  display: flex; flex-direction: column; gap: 14px; font-family: var(--font-sans);
}
.plan:hover { transform: translateY(-3px); border-color: var(--line-2); }
.plan.sel { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), 0 18px 40px -22px var(--accent); }
.plan.feat { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); }
.plan-flag {
  position: absolute; top: -10px; left: 20px; padding: 3px 10px; border-radius: 99px;
  background: var(--accent); color: var(--accent-ink); font: 700 10px var(--font-sans);
  letter-spacing: .12em; text-transform: uppercase;
}
.plan-name { font: 600 13px var(--font-sans); letter-spacing: .14em; text-transform: uppercase; color: var(--tx-mid); }
.plan.sel .plan-name, .plan.feat .plan-name { color: var(--accent); }
.plan-price { display: flex; align-items: baseline; gap: 6px; }
.plan-price .amt { font: 700 34px/1 var(--font-display); color: var(--tx-hi); }
.plan-price .per { font-size: 12px; color: var(--tx-low); }
.plan-desc { font-size: 13px; color: var(--tx-mid); line-height: 1.5; min-height: 38px; }
.plan-feats { display: flex; flex-direction: column; gap: 9px; margin: 0; padding: 14px 0 0; border-top: 1px solid var(--line); list-style: none; }
.plan-feats li { display: flex; gap: 9px; font-size: 13px; color: var(--tx-mid); line-height: 1.35; }
.plan-feats li .ck { color: var(--accent); flex: none; margin-top: 1px; }
.plan-feats li.soon { color: var(--tx-low); }
.plan-feats li.soon .ck { color: var(--tx-low); }
.plan-radio {
  position: absolute; top: 18px; right: 18px; width: 20px; height: 20px; border-radius: 50%;
  border: 1.5px solid var(--line-2); transition: all .15s;
}
.plan.sel .plan-radio { border-color: var(--accent); background: var(--accent); box-shadow: 0 0 0 4px var(--accent-dim); }
.plan.sel .plan-radio::after { content: "✓"; position: absolute; inset: 0; display: grid; place-items: center; color: var(--accent-ink); font-size: 11px; font-weight: 700; }

/* ---------- form ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 16px; }
.fg { display: flex; flex-direction: column; gap: 7px; }
.fg.full { grid-column: 1 / -1; }
.fg .hint { font-size: 11px; color: var(--tx-low); }
.fg .err-msg { font-size: 11px; color: var(--red); display: none; }
.fg.has-err .err-msg { display: block; }
.req { color: var(--accent); }
.field-label { font-size: 12px; font-weight: 500; color: var(--tx-mid); letter-spacing: .01em; }
.input {
  width: 100%; background: var(--bg-0); border: 1px solid var(--line); border-radius: var(--r-md);
  color: var(--tx-hi); font-family: var(--font-sans); font-size: 15px; padding: 12px 14px;
  transition: border-color .15s, box-shadow .15s; outline: none;
}
.input::placeholder { color: var(--tx-low); }
.input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-dim); }
.fg.has-err .input { border-color: var(--red); box-shadow: 0 0 0 3px rgba(217,74,61,.16); }
.pw-wrap { position: relative; }
.pw-toggle { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); background: none; border: none; color: var(--tx-low); cursor: pointer; font-size: 12px; }
.pw-meter { height: 4px; border-radius: 99px; background: var(--bg-3); overflow: hidden; margin-top: 2px; }
.pw-meter span { display: block; height: 100%; width: 0; transition: width .2s, background .2s; }

/* ---------- riepilogo / conferma ---------- */
.summary { display: flex; flex-direction: column; gap: 2px; }
.sum-row { display: flex; justify-content: space-between; gap: 16px; padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.sum-row .k { color: var(--tx-low); }
.sum-row .v { color: var(--tx-hi); text-align: right; }
.sum-total { display: flex; justify-content: space-between; align-items: baseline; padding: 16px 0 4px; }
.sum-total .lbl { font-size: 12px; color: var(--tx-mid); }
.sum-total .amt { font: 700 28px var(--font-display); }
.sum-total .amt small { font-size: 13px; color: var(--tx-low); font-weight: 400; }
.consent { display: flex; gap: 12px; align-items: flex-start; padding: 16px; background: var(--bg-0); border: 1px solid var(--line); border-radius: var(--r-md); margin-top: 18px; }
.consent input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--accent); flex: none; }
.consent label { font-size: 13px; color: var(--tx-mid); line-height: 1.5; }
.consent a { color: var(--accent); text-decoration: none; }

/* ---------- verifica email (post-registrazione) ---------- */
.verify { text-align: center; padding: 8px 0 4px; }
.verify-ico { width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 50%; display: grid; place-items: center; background: var(--accent-dim); color: var(--accent); font-size: 28px; }
.verify h3 { font: 600 22px var(--font-display); margin: 0 0 8px; }
.verify p { color: var(--tx-mid); font-size: 14px; line-height: 1.6; margin: 0 auto 22px; max-width: 420px; }
.verify p b { color: var(--tx-hi); }
.verify .devlink { font-size: 12px; color: var(--tx-low); word-break: break-all; max-width: 460px; }
.verify .devlink a { color: var(--accent); }

/* ---------- footer card ---------- */
.auth-foot { display: flex; align-items: center; gap: 12px; padding: 18px 28px; border-top: 1px solid var(--line); }
.auth-foot .spacer { flex: 1; }
.foot-alt { font-size: 13px; color: var(--tx-mid); }
.foot-alt a { color: var(--accent); text-decoration: none; font-weight: 600; }

/* ---------- bottoni ---------- */
.btn {
  font-family: var(--font-sans); font-weight: 600; font-size: 14px;
  border-radius: var(--r-md); border: 1px solid transparent; cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 12px 20px; transition: transform .12s, background .15s, border-color .15s, box-shadow .15s, opacity .15s;
  white-space: nowrap; text-decoration: none;
}
.btn:active { transform: translateY(1px); }
.btn-accent {
  background: linear-gradient(180deg, var(--accent-2), var(--accent)); color: var(--accent-ink);
  box-shadow: 0 8px 22px -10px var(--accent), 0 1px 0 rgba(255,255,255,.25) inset;
}
.btn-accent:hover { box-shadow: 0 12px 30px -10px var(--accent); }
.btn-ghost { background: transparent; color: var(--tx-hi); border-color: var(--line-2); }
.btn-ghost:hover { background: var(--bg-3); border-color: var(--tx-low); }
.btn:disabled { opacity: .4; cursor: not-allowed; }

/* ---------- avvisi server ---------- */
.auth-alert {
  padding: 14px 16px; border-radius: var(--r-md); font-size: 13.5px; line-height: 1.55;
  border: 1px solid color-mix(in srgb, var(--red) 45%, var(--line));
  background: color-mix(in srgb, var(--red) 10%, transparent); color: var(--tx-hi); margin-bottom: 20px;
}
.auth-alert ul { margin: 0; padding-left: 18px; }
.auth-alert a { color: var(--accent); }
.auth-alert.ok {
  border-color: color-mix(in srgb, var(--green) 45%, var(--line));
  background: color-mix(in srgb, var(--green) 10%, transparent);
}
.auth-alert.info {
  border-color: color-mix(in srgb, var(--cyan) 45%, var(--line));
  background: color-mix(in srgb, var(--cyan) 10%, transparent);
}

/* ---------- login card ---------- */
.login-card { width: min(420px, 100%); max-height: calc(100vh - 48px); display: flex; flex-direction: column; overflow: hidden; }
.login-body { padding: 26px 26px 28px; overflow-y: auto; }
.row-between { display: flex; justify-content: space-between; align-items: center; }
.link { color: var(--accent); text-decoration: none; font-size: 13px; cursor: pointer; }
.remember { display: flex; gap: 10px; align-items: center; margin: 4px 0 20px; }
.remember input { width: 16px; height: 16px; accent-color: var(--accent); }
.remember span { font-size: 13px; color: var(--tx-mid); }
.login-alt { text-align: center; margin-top: 18px; font-size: 13px; color: var(--tx-mid); }
.login-alt a { color: var(--accent); text-decoration: none; font-weight: 600; }

/* ---------- wizard step visibility ---------- */
.wz-step { display: none; }
.wz-step.on { display: block; }

/* ---------- responsive ---------- */
@media (max-width: 760px) {
  .plans { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .auth-body { padding: 20px; }
  .auth-head, .stepper, .auth-foot { padding-left: 18px; padding-right: 18px; }
  .stage { padding: 14px; }
}