.bs-backdrop{position:fixed;inset:0;background:#0006;z-index:998;opacity:0;transition:opacity var(--transition-base);pointer-events:none}.bs-backdrop.is-visible{opacity:1;pointer-events:auto}.bs-sheet{position:fixed;bottom:0;left:0;right:0;z-index:999;background:var(--bg-white);border-radius:var(--radius-xl) var(--radius-xl) 0 0;box-shadow:0 -8px 30px #0000001f;transform:translateY(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);max-height:92vh;display:flex;flex-direction:column}.bs-sheet.is-open{transform:translateY(0)}.bs-handle{display:flex;justify-content:center;padding:var(--space-sm) 0;cursor:grab}.bs-handle span{width:40px;height:4px;background:var(--border);border-radius:var(--radius-full)}.bs-header{padding:0 var(--space-lg) var(--space-md);position:relative;border-bottom:1px solid var(--border-light)}.bs-title{font-size:1.125rem;margin-bottom:2px}.bs-subtitle{font-size:.8125rem;color:var(--text-muted);margin:0}.bs-close{position:absolute;top:0;right:var(--space-lg);background:none;border:none;font-size:1.25rem;color:var(--text-muted);cursor:pointer;padding:var(--space-sm);min-width:44px;min-height:44px;display:flex;align-items:center;justify-content:center}.bs-body{flex:1;overflow-y:auto;padding:var(--space-md) var(--space-lg);-webkit-overflow-scrolling:touch}.bs-tier-group{margin-bottom:var(--space-lg)}.bs-tier-label{display:flex;align-items:center;gap:var(--space-sm);font-size:.8125rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em;margin-bottom:var(--space-sm);padding-bottom:var(--space-xs);border-bottom:2px solid var(--border-light)}.bs-tier-label.tier-critical{color:#dc2626;border-color:#fca5a5}.bs-tier-label.tier-recommended{color:#d97706;border-color:#fbbf24}.bs-tier-label.tier-monitoring{color:#059669;border-color:#6ee7b7}.bs-milestone{display:flex;gap:var(--space-sm);align-items:flex-start;padding:var(--space-sm) 0;border-bottom:1px solid var(--border-light)}.bs-milestone:last-child{border-bottom:none}.bs-milestone input[type=checkbox]{width:20px;height:20px;margin-top:2px;flex-shrink:0;accent-color:var(--primary);cursor:pointer}.bs-milestone-info{flex:1}.bs-milestone-head{display:flex;justify-content:space-between;align-items:center}.bs-milestone-title{font-weight:600;font-size:.875rem}.bs-milestone-week{font-size:.6875rem;color:var(--text-muted);white-space:nowrap}.bs-milestone-note{font-size:.75rem;color:var(--text-secondary);line-height:1.4;margin-top:2px}.bs-prefs{padding:var(--space-md) var(--space-lg);border-top:1px solid var(--border-light);background:var(--surface-alt)}.bs-prefs-title{font-size:.875rem;margin-bottom:var(--space-sm)}.bs-pref-row{display:flex;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-sm);flex-wrap:wrap}.bs-pref-label{font-size:.8125rem;color:var(--text-secondary);font-weight:500;min-width:85px}.bs-chips{display:flex;gap:6px;flex-wrap:wrap}.bs-chip{padding:6px 14px;border-radius:var(--radius-full);border:1.5px solid var(--border);background:var(--bg-white);font-size:.8125rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast);color:var(--text-secondary);font-family:var(--font-body);min-height:36px}.bs-chip:hover{border-color:var(--primary);color:var(--primary)}.bs-chip.is-active{background:var(--primary);color:#fff;border-color:var(--primary)}.bs-sms-section{margin-top:var(--space-sm)}.bs-sms-toggle{font-size:.8125rem;color:var(--text-secondary);cursor:pointer;padding:var(--space-xs) 0;font-weight:500}.bs-sms-body{padding-top:var(--space-sm)}.bs-sms-body .form-input{font-size:.875rem;padding:.625rem .875rem}.bs-actions{display:flex;gap:var(--space-sm);padding:var(--space-md) var(--space-lg);border-top:1px solid var(--border-light)}.bs-action-btn{flex:1;font-size:.875rem;padding:.75rem 1rem}.bs-footer-cta{text-align:center;padding:var(--space-sm) var(--space-lg) var(--space-lg)}.bs-book-link{font-size:.8125rem;color:var(--primary);font-weight:600;text-decoration:underline}.form-help{font-size:.75rem;color:var(--text-muted);display:block;margin-top:4px}@media(min-width:640px){.bs-sheet{max-width:520px;left:50%;transform:translate(-50%) translateY(100%)}.bs-sheet.is-open{transform:translate(-50%) translateY(0)}}@media(max-width:640px){.bs-actions{flex-direction:column}.bs-actions-step-2{flex-direction:row;flex-wrap:wrap}.bs-actions-step-2 #bs-prev-step{order:2;width:100%;flex:auto}.bs-actions-step-2 #bs-save-cal,.bs-actions-step-2 #bs-download{order:1;flex:1;min-width:48%}}