.challenge-app{--brand:#9b6fba;--brand-light:#f3ecf9;--brand-mid:#c9a8e0;--brand-dark:#6e4a88;--text:#1a1a1a;--text-muted:#666;--bg:#faf9fb;--white:#fff;--border:#e0d4ec;--locked:#e8e4ed;--locked-text:#b0a0bf;--radius:12px;--radius-sm:8px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);padding:0 0 4rem;border-radius:var(--radius);overflow:hidden}.challenge-app,.challenge-app *,.challenge-app *:before,.challenge-app *:after{box-sizing:border-box;margin:0;padding:0}.challenge-app .challenge-page-header{background:var(--brand);color:#fff;text-align:center;padding:3rem 1.5rem 2.5rem}.challenge-app .challenge-eyebrow{font-size:13px;letter-spacing:.12em;text-transform:uppercase;opacity:.8;margin-bottom:.75rem}.challenge-app .challenge-page-header h1{font-size:clamp(22px,5vw,34px);font-weight:600;margin-bottom:.75rem;line-height:1.2;color:#fff}.challenge-app .challenge-page-header p{font-size:15px;opacity:.85;max-width:560px;margin:0 auto;line-height:1.6;color:#fff}.challenge-app .challenge-week-label{text-align:center;font-size:12px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--brand);margin:2rem auto .75rem;max-width:760px;padding:0 1.25rem}.challenge-app .challenge-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:10px;max-width:760px;margin:0 auto;padding:0 1.25rem}.challenge-app .challenge-door{aspect-ratio:1;border-radius:var(--radius-sm);border:1.5px solid var(--border);background:var(--white);cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;transition:transform .15s ease,box-shadow .15s ease;position:relative;user-select:none;-webkit-tap-highlight-color:transparent}.challenge-app .challenge-door:hover.challenge-unlocked{transform:translateY(-2px);box-shadow:0 4px 16px rgba(155,111,186,.18);border-color:var(--brand-mid)}.challenge-app .challenge-door.challenge-locked{background:var(--locked);border-color:var(--locked);cursor:default}.challenge-app .challenge-door.challenge-today{border:2px solid var(--brand);background:var(--brand-light)}.challenge-app .challenge-door.challenge-opened{background:var(--brand-light);border-color:var(--brand-mid)}.challenge-app .challenge-door .challenge-day-num{font-size:20px;font-weight:600;color:var(--brand-dark);line-height:1}.challenge-app .challenge-door.challenge-locked .challenge-day-num{color:var(--locked-text)}.challenge-app .challenge-door .challenge-day-label{font-size:10px;color:var(--text-muted);letter-spacing:.04em}.challenge-app .challenge-door.challenge-locked .challenge-day-label{color:var(--locked-text)}.challenge-app .challenge-door .challenge-check{font-size:13px;color:var(--brand)}.challenge-app .challenge-door.challenge-today:after{content:'';position:absolute;top:6px;right:6px;width:7px;height:7px;border-radius:50%;background:var(--brand)}.challenge-app .challenge-legend{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;padding:1.5rem 1rem 0;font-size:12px;color:var(--text-muted)}.challenge-app .challenge-legend span{display:flex;align-items:center;gap:6px}.challenge-app .challenge-legend-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.challenge-app .challenge-overlay{display:none;position:fixed;inset:0;background:rgba(30,10,50,.5);z-index:99999;align-items:center;justify-content:center;padding:1rem;backdrop-filter:blur(2px)}.challenge-app .challenge-overlay.challenge-active{display:flex}.challenge-app .challenge-modal{background:var(--white);border-radius:var(--radius);max-width:480px;width:100%;max-height:90vh;overflow-y:auto;position:relative;box-shadow:0 20px 60px rgba(100,60,140,.2)}.challenge-app .challenge-modal-top{background:var(--brand);color:#fff;padding:1.5rem 1.5rem 1.25rem;border-radius:var(--radius) var(--radius) 0 0;position:relative}.challenge-app .challenge-modal-eyebrow{font-size:11px;letter-spacing:.1em;text-transform:uppercase;opacity:.75;margin-bottom:.4rem}.challenge-app .challenge-modal-title{font-size:18px;font-weight:600;line-height:1.35;padding-right:2rem;color:#fff}.challenge-app .challenge-modal-close{position:absolute;top:12px;right:14px;background:rgba(255,255,255,.2);border:none;color:#fff;width:28px;height:28px;border-radius:50%;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1}.challenge-app .challenge-modal-close:hover{background:rgba(255,255,255,.35)}.challenge-app .challenge-modal-body{padding:1.25rem 1.5rem 1.5rem}.challenge-app .challenge-modal-example{background:var(--brand-light);border-left:3px solid var(--brand);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:.9rem 1rem;margin-bottom:1rem}.challenge-app .challenge-modal-example .challenge-label{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--brand);margin-bottom:.4rem}.challenge-app .challenge-modal-example p{font-size:14px;line-height:1.6;color:var(--text)}.challenge-app .challenge-modal-example ul{margin:0;padding-left:1.1rem;font-size:14px;line-height:1.6;color:var(--text)}.challenge-app .challenge-modal-example li{margin-bottom:.3rem}.challenge-app .challenge-modal-tip{background:#f7f5f9;border-radius:var(--radius-sm);padding:.9rem 1rem;margin-bottom:1.25rem}.challenge-app .challenge-modal-tip .challenge-label{font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-bottom:.4rem}.challenge-app .challenge-modal-tip p{font-size:14px;line-height:1.6;color:var(--text-muted)}.challenge-app .challenge-modal-nav{display:flex;gap:10px;justify-content:flex-end}.challenge-app .challenge-btn{background:0 0;border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:8px 18px;font-size:14px;cursor:pointer;color:var(--text);font-family:inherit}.challenge-app .challenge-btn:hover{background:var(--brand-light);border-color:var(--brand-mid)}.challenge-app .challenge-btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}.challenge-app .challenge-btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark)}.challenge-app .challenge-progress-wrap{max-width:760px;margin:1.5rem auto 0;padding:0 1.25rem}.challenge-app .challenge-progress-label{font-size:12px;color:var(--text-muted);margin-bottom:6px;display:flex;justify-content:space-between}.challenge-app .challenge-progress-bar{height:6px;background:var(--locked);border-radius:99px;overflow:hidden}.challenge-app .challenge-progress-fill{height:100%;background:var(--brand);border-radius:99px;transition:width .4s ease}@media (max-width:420px){.challenge-app .challenge-grid{grid-template-columns:repeat(5,1fr);gap:7px}.challenge-app .challenge-door .challenge-day-num{font-size:16px}}