/* L4biz Quiz — Frontend CSS
   Stili identici alla versione Elementor. Zero breaking changes. */

:root {
  --blue:#1a3b6e;
  --blue-light:#2271b1;
  --cta:#e8b84b;
  --text:#1d2327;
  --text-muted:#6b7280;
  --bg:#ffffff;
  --bg-surface:#f9fafb;
  --gray-border:#e5e7eb;
  --radius:10px;
  --radius-lg:14px;
  --font:'Inter','Segoe UI',sans-serif;
  --shadow:0 2px 12px rgba(0,0,0,.07);
}

.l4-wrap *{box-sizing:border-box;}

.l4-wrap{max-width:640px;margin:0 auto;font-family:var(--font);color:var(--text);}

/* Screens */
.l4-screen{display:none;}
.l4-screen.active{display:block;}

/* Card */
.l4-card{background:var(--bg);border:1px solid var(--gray-border);border-radius:var(--radius-lg);padding:2rem;box-shadow:var(--shadow);}

/* Header screen 1 */
.l4-header{padding:2rem 2rem 0;text-align:center;}
.l4-header h1{font-size:1.6rem;font-weight:700;margin-bottom:.5rem;color:var(--blue);}
.l4-header-body{padding:1.5rem 2rem 2rem;}
.lead{color:var(--text-muted);font-size:.98rem;margin-bottom:1.25rem;}

/* Form fields */
.l4-field{margin-bottom:1rem;}
.l4-field label{display:block;font-size:.88rem;font-weight:600;margin-bottom:.35rem;color:var(--text);}
.l4-field input{width:100%;padding:.6rem .9rem;border:1.5px solid var(--gray-border);border-radius:8px;font-size:.95rem;font-family:var(--font);transition:border-color .2s;}
.l4-field input:focus{outline:none;border-color:var(--blue-light);}
.l4-privacy{display:flex;align-items:flex-start;gap:.6rem;margin-bottom:1.25rem;font-size:.83rem;color:var(--text-muted);}
.l4-privacy input{margin-top:2px;flex-shrink:0;}
.l4-err{background:#fef2f2;border:1px solid #fecaca;border-radius:6px;padding:.6rem .9rem;font-size:.87rem;color:#b91c1c;margin-bottom:.75rem;}

/* Buttons */
.l4-btn{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;border:none;text-decoration:none;transition:background .2s,color .2s;width:100%;}
.l4-btn-primary{background:var(--blue);color:#fff;}
.l4-btn-primary:hover{background:#14305a;color:#fff;}
.l4-btn-cta{background:var(--cta);color:#1d2327;}
.l4-btn-cta:hover{background:#d4a53d;}
.l4-btn-ghost{background:transparent;color:var(--blue);border:1.5px solid var(--blue);}
.l4-btn-ghost:hover{background:var(--bg-surface);}
.l4-btn-back{background:var(--blue);color:#fff;padding:.4rem 1rem;font-size:.83rem;border-radius:20px;border:none;cursor:pointer;width:auto;display:inline-flex;}

/* Language grid */
.l4-lang-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem;margin-top:1.25rem;}
@media(min-width:420px){.l4-lang-grid{grid-template-columns:repeat(3,1fr);}}
.l4-lang-btn{background:var(--bg-surface);border:2px solid var(--gray-border);border-radius:12px;padding:1rem .75rem;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:.35rem;transition:border-color .2s,background .2s;}
.l4-lang-btn:hover{border-color:var(--blue);background:#f0f5ff;}
.l4-flag{font-size:1.8rem;line-height:1;}
.l4-lname{font-size:.88rem;font-weight:600;color:var(--text);}
.l4-lsub{font-size:.75rem;color:var(--text-muted);}

/* Info list */
.l4-info-list{list-style:none;padding:0;margin:1.25rem 0 0;display:flex;flex-direction:column;gap:.75rem;}
.l4-info-list li{display:flex;align-items:flex-start;gap:.7rem;font-size:.93rem;border-bottom:1px solid var(--gray-border);padding-bottom:.75rem;}
.l4-info-list li:last-child{border-bottom:none;}

/* Quiz top bar */
.l4-quiz-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem;}
.l4-progress{background:#e5e7eb;border-radius:99px;height:6px;margin-bottom:1.25rem;overflow:hidden;}
.l4-pfill{background:var(--blue);height:100%;border-radius:99px;transition:width .3s;}
.l4-qnum{font-size:.78rem;color:var(--text-muted);margin-bottom:.5rem;}
.l4-qtxt{font-size:1.08rem;font-weight:700;margin-bottom:1.25rem;line-height:1.45;}

/* Badge */
.l4-badge{display:inline-block;padding:3px 10px;border-radius:12px;font-size:.78rem;font-weight:700;}
.l4-badge-a1{background:#e8f4fd;color:#1a6fa5;}
.l4-badge-a2{background:#e8f5e9;color:#2e7d32;}
.l4-badge-b1{background:#fff3e0;color:#e65100;}
.l4-badge-b2{background:#f3e5f5;color:#7b1fa2;}

/* Options */
#q-opts{display:flex;flex-direction:column;gap:.6rem;margin-bottom:1.25rem;}
.l4-opt{background:var(--blue);color:#fff;border:none;border-radius:8px;padding:.85rem 1rem;font-size:.93rem;cursor:pointer;display:flex;align-items:center;gap:.75rem;text-align:left;transition:background .15s;}
.l4-opt:hover:not(:disabled){background:#14305a;}
.l4-opt:disabled{cursor:default;opacity:.85;}
.l4-opt-key{font-weight:700;min-width:20px;}
.l4-opt.correct{background:#2e7d32;}
.l4-opt.wrong{background:#c62828;}

/* Results */
.l4-score-row{display:flex;justify-content:space-between;align-items:center;padding:.65rem 0;border-bottom:1px solid var(--gray-border);}
.l4-score-row:last-child{border-bottom:none;}
.l4-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:.75rem;margin:1.25rem 0;}
.l4-stat{text-align:center;background:var(--bg-surface);border-radius:10px;padding:1rem .5rem;}
.l4-stat-n{font-size:1.4rem;font-weight:700;color:var(--blue);}
.l4-stat-l{font-size:.75rem;color:var(--text-muted);margin-top:2px;}
.l4-sep{border:none;border-top:1px solid var(--gray-border);margin:1.25rem 0;}
.l4-result-level{font-size:2.8rem;font-weight:800;text-align:center;color:var(--blue);line-height:1;}
.l4-result-sub{text-align:center;margin:.5rem 0 1.25rem;color:var(--text-muted);}
.l4-pill{display:inline-block;padding:2px 9px;border-radius:10px;font-size:.77rem;font-weight:600;}
.l4-pill-pass{background:#d4edda;color:#155724;}
.l4-pill-fail{background:#f8d7da;color:#721c24;}
.l4-note{font-size:.8rem;color:var(--text-muted);text-align:center;margin-top:1rem;}
.l4-loading{color:var(--text-muted);font-size:.9rem;padding:1rem 0;}