:root{--bg:#fff;--surface:#f7f7f7;--surface-soft:#fff4f4;--panel-border:#0000000a;--text:#1d1d1d;--muted:#666;--red-vivid:#ff5d5d;--red-vivid-hover:#ff4848;--red-soft:#f3b1b1;--red-soft-2:#f7a6a6;--red-lesson:#ffe1e1;--red-lesson-text:#d43d3d;--shadow-red:#ff5d5d4d;--shadow-red-soft:#f7a6a62e;--shadow-black:#00000014;--green-italia:#009246;--green-italia-hover:#007a3b;--green-italia-soft:#e6f4ec;--font-sans:"Inter", "Segoe UI", sans-serif}*{box-sizing:border-box}html,body,#root{background:var(--bg);width:100%;min-height:100vh;font-family:var(--font-sans);margin:0}body{min-height:100vh}button,svg{font:inherit}img{max-width:100%;display:block}.app-shell{background:var(--bg);width:100%;min-height:100vh}.navbar{z-index:100;-webkit-backdrop-filter:blur(10px);background:#ffffffe0;border-bottom:1px solid #ff5d5d24;width:100%;position:sticky;top:0}.navbar-inner{z-index:2;background:inherit;justify-content:space-between;align-items:center;gap:16px;width:100%;max-width:1180px;margin:0 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var(--red-soft);background:var(--surface-soft);border-radius:22px;flex-direction:column;align-items:flex-start;gap:12px;width:100%;max-width:460px;padding:26px 22px;display:flex}.premium-required h1{color:var(--red-lesson-text);margin:0;font-size:1.3rem;line-height:1.25}.premium-required p{color:var(--text);margin:0;line-height:1.55}.premium-required-cta{background:var(--red-vivid);color:#fff;border-radius:999px;justify-content:center;align-items:center;width:100%;min-height:48px;margin-top:6px;padding:13px 18px;font-weight:700;text-decoration:none;display:inline-flex}.premium-required-cta:hover{background:var(--red-vivid-hover)}.premium-required-cta:focus-visible{outline:2px solid var(--red-vivid);outline-offset:2px}.configure-whatsapp-page{flex-direction:column;gap:20px;width:100%;max-width:640px;margin:0 auto;padding:24px 16px 56px;display:flex}.configure-whatsapp-centered{justify-content:center;align-items:center;min-height:60vh}.configure-whatsapp-page .lesson-badge{margin-bottom:10px}.configure-whatsapp-page h1{margin:0;font-size:1.7rem;line-height:1.2}.configure-whatsapp-page header p{color:var(--muted);margin:8px 0 0;line-height:1.55}.configure-whatsapp-page header a{color:var(--green-italia-hover);font-weight:700}.configure-whatsapp-form{background:var(--bg);border:1px solid #ff5d5d26;border-radius:22px;flex-direction:column;gap:18px;padding:24px 20px;display:flex}.configure-whatsapp-field{flex-direction:column;gap:8px;display:flex}.configure-whatsapp-field>span{font-size:.9rem;font-weight:700}.configure-whatsapp-field input,.configure-whatsapp-field select{background:var(--bg);width:100%;color:var(--text);font:inherit;border:1px solid #00000024;border-radius:12px;padding:12px 14px;font-size:1rem}.configure-whatsapp-field{border:0;min-width:0;margin:0;padding:0}.configure-whatsapp-field>legend{margin-bottom:8px;padding:0;font-size:.9rem;font-weight:700}.configure-whatsapp-schedule{border-top:1px solid #00000012;flex-direction:column;gap:16px;padding-top:18px;display:flex}.configure-whatsapp-switch{cursor:pointer;align-items:center;gap:12px;display:flex}.configure-whatsapp-switch input{opacity:0;pointer-events:none;position:absolute}.configure-whatsapp-switch-track{background:#0000002e;border-radius:999px;flex-shrink:0;width:46px;height:26px;transition:background .2s;position:relative}.configure-whatsapp-switch-track:after{content:"";background:#fff;border-radius:50%;width:20px;height:20px;transition:transform .2s;position:absolute;top:3px;left:3px}.configure-whatsapp-switch input:checked+.configure-whatsapp-switch-track{background:var(--red-vivid)}.configure-whatsapp-switch input:checked+.configure-whatsapp-switch-track:after{transform:translate(20px)}.configure-whatsapp-switch input:focus-visible+.configure-whatsapp-switch-track,.configure-whatsapp-day:focus-visible{outline:2px solid var(--red-vivid);outline-offset:2px}.configure-whatsapp-switch-text{flex-direction:column;gap:2px;display:flex}.configure-whatsapp-switch-text small{color:var(--muted);font-size:.82rem}.configure-whatsapp-days{grid-template-columns:repeat(7,1fr);gap:6px;display:grid}.configure-whatsapp-day{background:var(--bg);color:#555;cursor:pointer;border:1px solid #00000024;border-radius:999px;min-width:0;min-height:44px;padding:10px 0;font-size:.8rem;font-weight:600;transition:background .2s,color .2s,border-color .2s}.configure-whatsapp-day:hover{border-color:var(--red-vivid);color:var(--red-lesson-text)}.configure-whatsapp-day.is-active{background:var(--red-vivid);border-color:var(--red-vivid);color:#fff}.configure-whatsapp-field input.configure-whatsapp-hour{text-align:center;font-variant-numeric:tabular-nums;width:110px}.configure-whatsapp-field small{color:var(--muted);font-size:.8rem}.configure-whatsapp-feedback{border-radius:12px;margin:0;padding:12px 14px;font-size:.9rem;font-weight:600}.configure-whatsapp-feedback.is-success{background:var(--green-italia-soft);color:var(--green-italia-hover)}.configure-whatsapp-feedback.is-error{background:var(--red-lesson);color:var(--red-lesson-text)}.configure-whatsapp-save{border:1px solid var(--red-vivid);background:var(--red-vivid);color:#fff;cursor:pointer;border-radius:999px;min-height:48px;padding:13px 18px;font-size:.95rem;font-weight:700}.configure-whatsapp-save:hover:not(:disabled){background:var(--red-vivid-hover)}.configure-whatsapp-save:disabled{opacity:.55;cursor:not-allowed}.configure-whatsapp-field input:focus-visible,.configure-whatsapp-field select:focus-visible,.configure-whatsapp-save:focus-visible{outline:2px solid var(--red-vivid);outline-offset:2px}.thanks-page{justify-content:center;align-items:center;min-height:70vh;padding:24px 16px 56px;display:flex}.thanks-card{background:var(--bg);text-align:center;border:1px solid #00924633;border-radius:26px;flex-direction:column;align-items:center;gap:14px;width:100%;max-width:440px;padding:36px 24px 28px;display:flex;box-shadow:0 16px 36px #0092461f}.thanks-check{width:96px;height:96px}.thanks-check circle{fill:var(--green-italia)}.thanks-check path{fill:none;stroke:#fff;stroke-width:8px;stroke-linecap:round;stroke-linejoin:round}.thanks-card h1{margin:6px 0 0;font-size:1.6rem;line-height:1.2}.thanks-card p{color:#444;margin:0;line-height:1.55}.thanks-whatsapp{background:var(--green-italia);color:#fff;border-radius:999px;justify-content:center;align-items:center;width:100%;min-height:48px;margin-top:8px;padding:13px 18px;font-weight:700;text-decoration:none;display:inline-flex}.thanks-whatsapp:hover{background:var(--green-italia-hover)}.thanks-whatsapp:focus-visible{outline:2px solid var(--green-italia);outline-offset:2px}.plans-page{flex-direction:column;gap:24px;width:100%;max-width:880px;margin:0 auto;padding:24px 16px 56px;display:flex}.plans-header .lesson-badge{margin-bottom:10px}.plans-header h1{margin:0 0 8px;font-size:1.7rem;line-height:1.2}.plans-header p{color:var(--muted);margin:0;line-height:1.55}.plans-grid{grid-template-columns:1fr;gap:16px;display:grid}.plans-card{background:var(--bg);border:1px solid #0000001a;border-radius:22px;flex-direction:column;align-items:flex-start;gap:10px;padding:24px 20px;display:flex}.plans-card.is-featured{border:2px solid var(--green-italia);box-shadow:0 16px 36px #00924624}.plans-card h2{margin:0;font-size:1.15rem}.plans-price{align-items:baseline;gap:4px;margin:0;display:flex}.plans-price strong{font-size:2.2rem;line-height:1}.plans-price span,.plans-note{color:var(--muted);font-size:.9rem}.plans-note{margin:0}.plans-features{gap:10px;width:100%;margin:8px 0 0;padding:0;list-style:none;display:grid}.plans-features li{grid-template-columns:18px 1fr;align-items:start;gap:10px;line-height:1.4;display:grid}.plans-features svg{color:var(--green-italia);margin-top:2px}.plans-cta{width:100%;margin-top:14px}.plans-cta:disabled{opacity:.55;cursor:not-allowed}@media (width>=640px){.wa-invite{border-radius:22px;width:min(92vw,440px);margin:auto}.wa-invite-content{padding:30px 28px 26px}.plans-page{padding:40px 24px 72px}.plans-header h1{font-size:2.1rem}.plans-grid{grid-template-columns:1fr 1fr;align-items:start}}