.login-gate{position:fixed;inset:0;background:var(--bg-primary,#0f172a);z-index:10000;display:flex;align-items:center;justify-content:center;padding:1.5rem}#login-gate[hidden],.login-gate[hidden],body .login-gate[hidden],html body .login-gate[hidden]{display:none;visibility:hidden}.login-gate__content{max-width:400px;width:100%;text-align:center}.login-gate__icon{width:80px;height:80px;margin:0 auto 1.5rem;background:linear-gradient(135deg,var(--primary) 0,var(--primary-dark) 100%);border-radius:20px;display:flex;align-items:center;justify-content:center;font-size:2.5rem;color:#fff}.login-gate__title{font-size:1.75rem;font-weight:700;color:var(--text-primary,#f8fafc);margin-bottom:.75rem}.login-gate__subtitle{font-size:1rem;color:var(--text-secondary,#94a3b8);margin-bottom:2rem;line-height:1.5}.login-gate__btn{display:flex;align-items:center;justify-content:center;gap:.75rem;width:100%;padding:1rem 1.5rem;font-size:1rem;font-weight:600;color:var(--text-dark,#1f2937);background:var(--bg-secondary,#fff);border:none;border-radius:12px;cursor:pointer;transition:transform .2s,box-shadow .2s}.login-gate__btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.15)}.login-gate__btn:disabled{opacity:.7;cursor:not-allowed;transform:none}.login-gate__btn img{width:20px;height:20px}.login-gate__features{margin-top:2rem;display:flex;flex-direction:column;gap:1rem}.login-gate__skip{display:block;width:100%;margin-top:1rem;padding:.875rem 1rem;background:0 0;border:1px solid var(--border-color,#334155);border-radius:12px;color:var(--text-secondary,#94a3b8);font-size:.9375rem;font-weight:500;cursor:pointer;transition:all .2s}.login-gate__skip:hover{border-color:var(--text-secondary,#94a3b8);color:var(--text-primary,#f8fafc);background:rgba(148,163,184,.1)}.login-gate__skip i{margin-right:.5rem}.login-gate__skip-note{margin-top:.75rem;font-size:.75rem;color:var(--text-muted,#64748b)}.light-theme .login-gate__skip{border-color:rgba(140,130,115,.2);color:var(--text-secondary)}.light-theme .login-gate__skip:hover{border-color:rgba(140,130,115,.35);color:var(--text-primary);background:rgba(140,130,115,.06)}.login-gate__feature{display:flex;align-items:center;gap:.75rem;color:var(--text-secondary,#94a3b8);font-size:.875rem}.login-gate__feature i{color:var(--primary);width:20px}.login-gate__footer{margin-top:2rem;font-size:.75rem;color:var(--text-muted,#64748b)}.login-gate__footer a{color:var(--text-secondary,#94a3b8);text-decoration:none}.login-gate__footer a:hover{text-decoration:underline}.login-gate__back{display:inline-block;margin-top:1.5rem;padding:.75rem 1.5rem;color:var(--text-secondary,#94a3b8);text-decoration:none;font-size:.875rem;border:1px solid var(--border-color,#334155);border-radius:8px;transition:all .2s}.login-gate__back:hover{color:var(--text-primary,#f8fafc);border-color:var(--text-secondary,#94a3b8)}.light-theme .login-gate__back{color:var(--text-secondary);border-color:rgba(140,130,115,.2)}.light-theme .login-gate__back:hover{color:var(--text-primary);border-color:rgba(140,130,115,.35)}.light-theme .login-gate{background:var(--bg-primary,#fff)}.light-theme .login-gate__title{color:var(--text-primary,#1e293b)}.light-theme .login-gate__subtitle{color:var(--text-secondary,#64748b)}.light-theme .login-gate__btn{background:var(--navy,#1e293b);color:#fff;box-shadow:var(--shadow-sm)}.light-theme .login-gate__feature{color:var(--text-secondary,#64748b)}.light-theme .login-gate__footer{color:var(--text-muted,#6b6966)}.light-theme .login-gate__footer a{color:var(--text-light,#5c5a56)}.program-login-gate{background:linear-gradient(135deg,rgba(var(--primary-rgb),.1) 0,rgba(var(--primary-rgb),.05) 100%);border:1px solid rgba(var(--primary-rgb),.2);border-radius:16px;padding:2rem;text-align:center;margin:2rem 0}.program-login-gate[hidden]{display:none}.program-login-gate__title{font-size:1.5rem;font-weight:700;color:var(--text-primary,#f8fafc);margin-bottom:.5rem}.program-login-gate__subtitle{font-size:1rem;color:var(--text-secondary,#94a3b8);margin-bottom:1.5rem}.program-login-gate__btn{display:inline-flex;align-items:center;justify-content:center;gap:.75rem;padding:1rem 2rem;font-size:1rem;font-weight:600;color:var(--text-dark,#1f2937);background:var(--bg-secondary,#fff);border:none;border-radius:12px;cursor:pointer;transition:transform .2s,box-shadow .2s}.program-login-gate__btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.15)}.program-login-gate__btn:disabled{opacity:.7;cursor:not-allowed;transform:none}.program-login-gate__btn img{width:20px;height:20px}.program-login-gate__footer{margin-top:1rem;font-size:.75rem;color:var(--text-muted,#64748b)}.program-login-gate__footer a{color:var(--text-secondary,#94a3b8);text-decoration:none}.program-login-gate__footer a:hover{text-decoration:underline}.light-theme .program-login-gate{background:linear-gradient(135deg,rgba(var(--primary-rgb),.08) 0,rgba(var(--primary-rgb),.03) 100%);border-color:rgba(var(--primary-rgb),.15)}.light-theme .program-login-gate__title{color:var(--text-primary,#1e293b)}.light-theme .program-login-gate__subtitle{color:var(--text-secondary,#64748b)}.light-theme .program-login-gate__btn{background:var(--navy,#1e293b);color:#fff;box-shadow:var(--shadow-sm)}.content-gated .exercise-table tbody td:nth-child(2),.content-gated .exercise-table tbody td:nth-child(3),.content-gated .exercise-table tbody td:nth-child(4){filter:blur(5px);user-select:none}.content-gated .exercise-table tbody td:first-child{filter:none}.content-unlocked .exercise-table tbody td{filter:none!important;user-select:auto!important}.content-unlock-overlay{position:relative;margin:1.5rem 0}.content-unlock-overlay__card{background:linear-gradient(135deg,rgba(var(--primary-rgb),.1) 0,rgba(var(--primary-rgb),.05) 100%);border:1px solid rgba(var(--primary-rgb),.3);border-radius:12px;padding:1.5rem;text-align:center}.content-unlock-overlay__icon{font-size:1.5rem;margin-bottom:.5rem}.content-unlock-overlay__title{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem}.content-unlock-overlay__subtitle{font-size:.875rem;color:var(--text-secondary);margin-bottom:1rem}.content-unlock-overlay__btn{display:inline-flex;align-items:center;gap:.5rem;padding:.75rem 1.5rem;background:var(--bg-secondary,#fff);color:var(--text-dark,#1f2937);border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:transform .2s,box-shadow .2s}.content-unlock-overlay__btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,0,0,.15)}.content-unlock-overlay__btn:disabled{opacity:.7;cursor:not-allowed;transform:none}.content-unlock-overlay__btn img{width:18px;height:18px}.content-unlock-overlay__features{display:flex;flex-wrap:wrap;justify-content:center;gap:1rem;margin-top:1rem;font-size:.75rem;color:var(--text-muted)}.content-unlocked .content-unlock-overlay{display:none}.light-theme .content-unlock-overlay__card{background:linear-gradient(135deg,rgba(var(--primary-rgb),.08) 0,rgba(var(--primary-rgb),.03) 100%);border-color:rgba(var(--primary-rgb),.2)}.light-theme .content-unlock-overlay__btn{background:var(--navy,#1e293b);color:#fff;box-shadow:var(--shadow-sm)}@media (max-width:480px){.content-unlock-overlay__features{flex-direction:column;gap:.25rem}}