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20px}.achievement-modal-explanation{margin-bottom:24px}.achievement-modal-explanation p{font-size:.95rem;color:var(--color-text-secondary);line-height:1.6;margin:0}.achievement-modal-tip{background:var(--color-bg-surface-tertiary);border-radius:8px;padding:16px 20px;border-left:3px solid var(--color-primary)}.tip-header{display:flex;align-items:center;gap:8px;margin-bottom:10px}.tip-icon{font-size:1rem;line-height:1}.tip-label{font-size:.8rem;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.03em}.tip-text{margin:0;font-size:.9rem;color:var(--color-text-secondary);line-height:1.55}.achievement-modal-footer{padding:20px 32px 28px;display:flex;justify-content:center}.achievement-modal-button{background:var(--color-primary);color:var(--color-primary-text);border:none;border-radius:8px;padding:12px 32px;font-size:1rem;font-weight:500;cursor:pointer;transition:background .15s ease,transform .1s ease}.achievement-modal-button:hover{background:var(--color-primary-hover)}.achievement-modal-button:active{transform:scale(.98)}.achievement-tier-early .achievement-modal-icon-container{width:64px;height:64px}.achievement-tier-early .achievement-modal-icon{font-size:2rem}.achievement-tier-mid .achievement-modal-icon-container{width:72px;height:72px}.achievement-tier-mid .achievement-modal-icon{font-size:2.5rem}.achievement-tier-late .achievement-modal-header{background:linear-gradient(135deg,var(--color-bg-surface-alt) 0%,var(--color-bg-surface) 100%)}.achievement-tier-late .achievement-modal-icon-container{width:80px;height:80px;background:linear-gradient(135deg,var(--color-bg-surface) 0%,var(--color-bg-hover) 100%)}.achievement-tier-late .achievement-modal-icon{font-size:2.75rem}.achievement-tier-late .achievement-modal-milestone{font-size:.9rem}.achievement-tier-late .achievement-modal-title{font-size:1.75rem}@media(max-width:819px){.achievement-modal{display:flex;flex-direction:column;min-height:100%}.achievement-modal-header{padding:20px 16px 16px;flex-direction:column;text-align:center}.achievement-modal-title-group{text-align:center}.achievement-modal-content{padding:16px;flex:1}.achievement-modal-footer{position:sticky;bottom:0;background:var(--color-bg-surface);border-top:1px solid var(--color-border);padding:12px 16px calc(12px + env(safe-area-inset-bottom))}.achievement-modal-button{width:100%;padding:12px 16px}}.habit-detail-modal{display:flex;flex-direction:column;gap:0;max-height:calc(90vh - 2rem);overflow:hidden}.habit-detail-header{display:flex;align-items:flex-start;gap:16px;padding:24px 24px 20px;border-bottom:1px solid 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4px;font-style:italic}.habit-detail-temporal{display:flex;flex-direction:column;gap:2px}.habit-detail-since{font-size:.8rem;color:var(--color-text-muted);margin:0}.habit-detail-content{padding:0 24px;overflow-y:auto;flex:1;min-height:0}.habit-detail-section{padding:20px 0;border-bottom:1px solid var(--color-border)}.habit-detail-section:last-child{border-bottom:none}.section-title{font-size:.85rem;font-weight:600;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.5px;margin:0 0 12px}.habit-detail-rationale{font-size:.875rem;color:var(--color-text-primary);line-height:1.5;margin:0}.tracked-days-list{display:flex;flex-wrap:wrap;gap:8px}.tracked-day-pill{padding:6px 12px;border-radius:20px;font-size:.85rem;font-weight:600;border:1px solid}.section-hint{font-size:.8rem;color:var(--color-text-muted);margin:-8px 0 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var(--color-primary);outline-offset:2px}.habit-detail-name{font-size:1.25rem}.habit-detail-color-badge{width:48px;height:48px}.habit-detail-content{padding:0 16px calc(16px + env(safe-area-inset-bottom))}}.stat-groups-container{display:grid;grid-template-columns:repeat(3,1fr);gap:3px}.stat-group{display:flex;flex-direction:column;background:var(--color-bg-hover-subtle);border-radius:12px;padding:10px 5px 5px}.stat-group-title{font-size:.65rem;font-weight:700;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.5px;margin:0 0 10px;text-align:center;padding-bottom:8px;border-bottom:1px solid var(--color-border)}.stat-group-cards{display:flex;flex-direction:column;gap:6px;flex:1}.stat-card{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:10px 6px 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.15s}.streak-history-bar:hover{transform:scaleY(1.15)}.streak-history-bar.ongoing{border-right:3px solid var(--color-bg-surface);background-image:repeating-linear-gradient(90deg,transparent,transparent 4px,rgba(255,255,255,.15) 4px,rgba(255,255,255,.15) 8px)}.streak-history-duration{font-size:.65rem;font-weight:600;color:var(--color-text-secondary);white-space:nowrap;flex-shrink:0}.streak-history-toggle{background:none;border:none;color:var(--color-text-muted);font-size:.75rem;cursor:pointer;padding:8px 0 0;margin-top:4px;width:100%;text-align:left;transition:color .15s}.streak-history-toggle:hover{color:var(--color-text-secondary)}@media(max-width:819px){.stat-groups-container{gap:6px}.stat-group{padding:8px 6px;border-radius:10px}.stat-group-title{font-size:.55rem;margin:0 0 6px;padding-bottom:6px}.stat-group-cards{gap:4px}.stat-card{padding:6px 3px 5px;min-height:52px;border-radius:6px}.stat-value{font-size:1rem}.stat-label{font-size:.5rem;letter-spacing:.2px}.stat-annotation{font-size:.45rem}}.achievement-timeline{display:flex;flex-direction:column;gap:16px;-webkit-user-select:none;user-select:none}.timeline-track{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:center;gap:4px 0;position:relative;padding:0 4px}.timeline-item{display:flex;flex-direction:column;align-items:center;gap:6px;position:relative}.timeline-arrow{padding:0 6px;font-size:1rem;color:var(--color-border);line-height:40px}.timeline-arrow.unlocked{color:var(--color-text-muted)}.timeline-milestone{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--color-bg-surface);border:2px solid var(--color-border);z-index:1;transition:all .2s;position:relative}.timeline-milestone.unlocked{border-color:var(--color-success);background:var(--color-success-bg)}button.timeline-milestone.clickable{cursor:pointer;transition:transform .15s,box-shadow .15s}button.timeline-milestone.clickable:hover{transform:scale(1.1);box-shadow:0 2px 8px #00000026}button.timeline-milestone.clickable:active{transform:scale(1.05)}.timeline-milestone.next{border:none;background:linear-gradient(var(--color-bg-surface),var(--color-bg-surface)) padding-box,conic-gradient(from -90deg,var(--habit-color, var(--color-primary)) 0%,var(--habit-color, var(--color-primary)) var(--progress, 0%),var(--color-border) var(--progress, 0%),var(--color-border) 100%) border-box;border:3px solid transparent}.timeline-milestone.next:after{content:"";position:absolute;inset:-6px;border-radius:50%;background:var(--habit-color, var(--color-primary));opacity:.15;animation:pulse-ring 2s infinite}@keyframes pulse-ring{0%,to{transform:scale(1);opacity:.15}50%{transform:scale(1.1);opacity:.08}}.milestone-icon{font-size:1.25rem;z-index:1}.timeline-milestone:not(.unlocked):not(.next) .milestone-icon{opacity:.4;filter:grayscale(1)}.milestone-label{font-size:.7rem;color:var(--color-text-muted);white-space:nowrap}.milestone-label.unlocked{color:var(--color-text-secondary);font-weight:500}.timeline-progress{font-size:.9rem;color:var(--color-text-secondary);text-align:center;margin:0;padding:12px 16px;background:var(--color-bg-hover-subtle);border-radius:8px}.timeline-progress.complete{color:var(--color-success);background:var(--color-success-bg)}.timeline-progress strong{color:var(--color-text-primary)}.timeline-next-milestone-desktop{display:inline}.timeline-next-milestone-desktop strong{border-bottom:1px dashed var(--color-text-muted);cursor:help}.timeline-next-milestone-mobile{display:none}.milestone-info-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:10000;padding:20px}.milestone-info-modal{background:var(--color-bg-surface);border-radius:16px;padding:20px;max-width:340px;width:100%;box-shadow:0 4px 20px var(--color-shadow)}.milestone-info-header{display:flex;align-items:center;gap:10px;margin-bottom:12px}.milestone-info-icon{font-size:1.5rem}.milestone-info-title{font-family:var(--font-display);font-size:1rem;font-weight:700;color:var(--color-text-primary);margin:0}.milestone-info-text{font-size:.85rem;color:var(--color-text-secondary);line-height:1.5;margin:0 0 16px}.milestone-info-close{width:100%;padding:10px;background:var(--color-bg-hover);border:none;border-radius:8px;font-size:.9rem;font-weight:500;color:var(--color-text-primary);cursor:pointer;transition:background 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var(--color-border);border-radius:8px;color:var(--color-text-secondary);cursor:pointer;transition:background-color .2s,border-color .2s,transform .2s}.user-menu-trigger:hover{background:var(--color-bg-hover);transform:scale(1.05)}.user-menu-trigger:active{transform:scale(.95)}.user-menu-trigger.has-avatar{width:36px;height:36px;border:none;border-radius:50%;background:var(--color-primary);overflow:hidden}.user-menu-trigger.has-avatar:hover{box-shadow:0 0 0 2px var(--color-primary-focus);transform:none}.user-avatar-image{width:100%;height:100%;object-fit:cover}.user-avatar-initials{display:flex;align-items:center;justify-content:center;width:100%;height:100%;font-size:.8rem;font-weight:600;color:var(--color-primary-text);text-transform:uppercase}.user-dropdown{position:absolute;top:calc(100% + 8px);right:0;min-width:220px;background:var(--color-bg-surface);border:1px solid var(--color-border);border-radius:12px;box-shadow:0 4px 24px 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10px;background:none;border:none;border-radius:8px;font-family:inherit;font-size:.85rem;color:var(--color-text-primary);text-align:left;cursor:pointer;transition:background .15s}.user-dropdown-language:hover{background:var(--color-bg-hover)}.user-dropdown-language.selected{color:var(--color-accent-text);font-weight:500}.user-dropdown-language-flag{font-size:1rem}.user-dropdown-language-label{flex:1}.user-dropdown-language-check{color:var(--color-accent-text)}.user-dropdown-action{display:block;width:100%;padding:12px 16px;background:none;border:none;font-family:inherit;font-size:.875rem;color:var(--color-text-primary);text-align:left;cursor:pointer;transition:background .15s}.user-dropdown-action:hover{background:var(--color-bg-hover)}.user-dropdown-action--primary{color:var(--color-accent-text);font-weight:600}.user-dropdown-action--toggle{display:flex;align-items:center;justify-content:space-between;gap:8px}.migration-modal{display:flex;flex-direction:column;gap:1rem;padding:1rem}.migration-message{margin:0;color:var(--text-color);line-height:1.5}.migration-info{display:flex;align-items:flex-start;gap:.625rem;margin:0;padding:.75rem;background-color:var(--color-bg-surface-alt);border-radius:6px;color:var(--color-text-secondary);font-size:.875rem;line-height:1.4}.migration-info-icon{flex-shrink:0;margin-top:1px;color:var(--color-accent-text)}.migration-hint{margin:0;color:var(--text-secondary);font-size:.875rem;line-height:1.4}.migration-actions{display:flex;justify-content:flex-end;gap:.75rem;margin-top:.5rem}.migration-button{padding:.625rem 1.25rem;border-radius:6px;font-size:.9375rem;font-weight:500;cursor:pointer;transition:background-color .15s,opacity .15s}.migration-button.primary{background:var(--color-primary);color:var(--color-primary-text);border:none}.migration-button.primary:hover{background:var(--color-primary-hover)}.migration-button.secondary{background:transparent;color:var(--color-text-secondary);border:none}.migration-button.secondary:hover:not(:disabled){background:var(--color-bg-hover);color:var(--color-text-primary)}.migration-progress{display:flex;flex-direction:column;gap:.75rem;align-items:center;padding:1rem 0}.progress-bar{width:100%;height:8px;background-color:var(--border-color);border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:var(--color-primary);border-radius:4px;transition:width .3s ease}.progress-text{margin:0;color:var(--text-secondary);font-size:.875rem;text-align:center}.progress-percent{margin:0;color:var(--text-color);font-size:1.5rem;font-weight:600}.migration-error-detail{margin:0;padding:.5rem .75rem;background-color:var(--error-bg, #fef2f2);border-radius:4px;color:var(--error-text, #991b1b);font-size:.875rem;font-family:monospace}[data-theme=dark] .migration-error-detail{background-color:#ef444426;color:#fca5a5}@media(max-width:819px){.migration-modal{min-height:100%;padding:1rem 1rem calc(1rem + env(safe-area-inset-bottom))}.migration-actions{flex-wrap:wrap;margin-top:auto}.migration-button{flex:1 1 auto}}.app{min-height:100dvh;display:flex}.app-body{flex:1;min-width:0;padding:2rem}.app-body--grid{display:flex;flex-direction:column;height:100dvh;min-height:0}.app-body--grid .app-main{flex:1;min-height:0;display:flex;flex-direction:column}@media(max-width:819px){.app-body{padding:1rem}}@media(max-width:439px){.app-body{padding:.75rem}}.app-topbar{width:100%;max-width:1400px;margin:0 auto 2rem;display:flex;justify-content:space-between;align-items:center;gap:1rem}.app-topbar-left{display:flex;align-items:center;gap:.75rem;min-width:0}.app-logo-icon{width:40px;height:40px}.app-topbar-brand{display:none;align-items:center;gap:.75rem}.app-topbar-brand .app-brand-name{margin:0;font-family:var(--font-display);font-size:1.5rem;font-weight:800;letter-spacing:0;text-transform:lowercase;color:var(--color-text-primary)}.app-topbar-title{margin:0;font-family:var(--font-display);font-size:1.5rem;font-weight:800;letter-spacing:-.02em;color:var(--color-text-primary)}.app-topbar-actions{display:flex;gap:.75rem;align-items:center}.help-button{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid var(--color-border-medium);border-radius:50%;background:transparent;color:var(--color-text-secondary);font-size:1rem;font-weight:700;cursor:pointer;transition:background-color .15s ease,color .15s ease,border-color .15s ease}.help-button:hover{background:var(--color-bg-hover);color:var(--color-text-primary)}.help-button:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.header-action-btn{--header-btn-icon-size: 24px;display:flex;align-items:center;justify-content:center;gap:.25rem;padding:.5rem .75rem;background:var(--color-bg-surface);border:1px solid var(--color-border);border-radius:6px;cursor:pointer;transition:background-color .2s,border-color .2s,transform .2s}.header-action-btn:hover{background:var(--color-bg-hover);transform:scale(1.05)}.header-action-btn:active{transform:scale(.95)}.header-action-btn svg{width:var(--header-btn-icon-size);height:var(--header-btn-icon-size);flex-shrink:0}.header-action-btn .header-btn-icon-sm{width:16px;height:var(--header-btn-icon-size);display:flex;align-items:center}.header-action-btn .header-btn-icon-sm svg{width:16px;height:16px}.header-action-btn .header-btn-text{line-height:var(--header-btn-icon-size)}.hamburger-button{display:none;align-items:center;justify-content:center;height:40px;padding:0 .75rem;background:var(--color-bg-surface);border:1px solid var(--color-border);border-radius:6px;cursor:pointer;color:var(--color-text-secondary);transition:background-color .2s,transform .2s}.hamburger-button:hover{background:var(--color-bg-hover);transform:scale(1.05)}.hamburger-button:active{transform:scale(.95)}@media(max-width:819px){.app-topbar-actions{display:none}.app-topbar-title{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.app-topbar-brand,.hamburger-button{display:flex}}.app-main{max-width:1400px;margin:0 auto;width:100%}.grid-view{flex:1;min-height:0;display:flex;flex-direction:column}.loading{text-align:center;padding:4rem;font-size:1.2rem;color:var(--color-text-secondary)}