:root{--color-ink: #1a1a1a;--color-cream: #f5f0e8;--color-cream-dark: #e8e0d4;--color-green: #2d6a4f;--color-green-light: #d4edda;--color-green-dark: #1b4332;--color-gold: #c4953a;--color-gold-light: #f0e0b8;--color-orange: #e07c3e;--color-red: #c0392b;--color-gray: #6b7280;--color-gray-light: #d1d5db;--color-white: #ffffff;--font-display: "Playfair Display", Georgia, serif;--font-body: "Inter", system-ui, sans-serif;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07)}[data-theme=dark]{--color-ink: #e8e0d4;--color-cream: #141414;--color-cream-dark: #232323;--color-green: #52b788;--color-green-light: #1b3a2a;--color-green-dark: #95d5b2;--color-gold: #d4a843;--color-gold-light: #3a2e14;--color-orange: #e89a5e;--color-red: #e74c3c;--color-gray: #9ca3af;--color-gray-light: #4b5563;--color-white: #1e1e1e;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .2);--shadow-md: 0 4px 6px rgba(0, 0, 0, .3);color-scheme:dark}[data-theme=dark] input,[data-theme=dark] select,[data-theme=dark] textarea{background:var(--color-cream-dark);color:var(--color-ink);border-color:var(--color-gray-light)}[data-theme=dark] .auth-card{background:var(--color-white)}[data-theme=dark] .onboarding-choice-icon{background:var(--color-green-light);color:var(--color-green)}[data-theme=dark] .confetti-burst span{opacity:.8}[data-theme=dark] .habit-card-menu{border-color:var(--color-gray-light)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);color:var(--color-ink);background-color:var(--color-cream);line-height:1.5;min-height:100dvh;transition:background-color .2s ease,color .2s 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p{font-family:var(--font-display);font-style:italic;font-size:.85rem;margin-top:var(--space-xs);line-height:1.4}.sidebar-logout{font-size:.85rem;color:var(--color-gray);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);text-align:left}.sidebar-logout:hover{color:var(--color-red)}.dashboard-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:var(--space-2xl)}.dashboard-greeting{font-size:2rem}.dashboard-greeting em{color:var(--color-green);font-style:italic}.dashboard-date{color:var(--color-gray);margin-top:var(--space-xs);font-size:.9rem}.dashboard-stats{display:flex;gap:var(--space-xl)}.stat{text-align:center}.stat-value{display:block;font-family:var(--font-display);font-size:2rem;font-weight:700;line-height:1}.stat-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--color-gray)}.dashboard-section{margin-bottom:var(--space-2xl)}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-lg)}.section-header h3{font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--color-gray);font-family:var(--font-body);font-weight:600}.empty-state{background:var(--color-white);border-radius:var(--radius-lg);padding:var(--space-2xl);text-align:center;color:var(--color-gray)}.empty-state 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var(--color-ink);color:var(--color-ink)}.checkin-btn--idle:hover{background:var(--color-ink);color:var(--color-white);transform:translateY(-1px);box-shadow:0 4px 12px #00000026}.checkin-btn--idle:active{transform:translateY(0) scale(.98)}.checkin-btn--success{background:var(--color-green);color:var(--color-white);border:2px solid var(--color-green);animation:checkinSuccess .4s cubic-bezier(.34,1.56,.64,1)}.checkin-btn--done{background:var(--color-green-light);color:var(--color-green-dark);border:2px solid var(--color-green-light);cursor:default;animation:checkinFadeIn .3s ease}@keyframes checkinSuccess{0%{transform:scale(1)}30%{transform:scale(1.05)}60%{transform:scale(.98)}to{transform:scale(1)}}@keyframes checkinFadeIn{0%{opacity:.7}to{opacity:1}}.confetti-container{position:absolute;top:50%;left:50%;pointer-events:none;z-index:10}.confetti-particle{position:absolute;width:var(--size);height:var(--size);background:var(--color);border-radius:50%;animation:confettiBurst var(--duration, 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var(--color-ink);color:var(--color-ink)}.btn--secondary:hover{background:var(--color-ink);color:var(--color-white)}.btn--sm{padding:8px 16px;font-size:.85rem}.btn--ghost{background:none;border:none;cursor:pointer;padding:8px 16px}.fab-container{position:fixed;bottom:var(--space-xl);right:var(--space-xl)}.fab{width:56px;height:56px;border-radius:50%;background:var(--color-ink);color:var(--color-white);font-size:1.5rem;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-md);transition:transform .15s}.fab:hover{transform:scale(1.1)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100;padding:var(--space-xl)}.modal-content{background:var(--color-cream);border-radius:var(--radius-lg);padding:var(--space-2xl);max-width:560px;width:100%;max-height:90dvh;overflow-y:auto;box-shadow:0 20px 60px #00000026}.modal-title{font-size:1.75rem;margin-bottom:var(--space-xs)}.modal-subtitle{color:var(--color-gray);font-size:.9rem;margin-bottom:var(--space-xl)}.create-habit-form{display:flex;flex-direction:column;gap:var(--space-lg)}.form-label{display:flex;flex-direction:column;gap:var(--space-xs)}.form-label-text{font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--color-gray);font-weight:600;display:block;margin-bottom:var(--space-xs)}.form-input{padding:12px 14px;border:1.5px solid var(--color-cream-dark);border-radius:var(--radius-md);background:var(--color-white);color:var(--color-ink);outline:none;transition:border-color .15s}.form-input:focus{border-color:var(--color-ink)}.form-group{display:flex;flex-direction:column;gap:var(--space-sm)}.form-toggle-group{display:flex;gap:0}.form-toggle{flex:1;padding:12px;border:1.5px solid var(--color-cream-dark);background:var(--color-white);font-size:.9rem;font-weight:500;transition:all 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0;display:flex;justify-content:center}.share-card-preview svg{width:100%;max-width:320px;height:auto;border-radius:var(--radius-lg);box-shadow:var(--shadow-md)}.share-actions{display:flex;gap:var(--space-sm);justify-content:center;flex-wrap:wrap}.share-action-btn{display:inline-flex;align-items:center;gap:6px;font-size:.85rem;padding:10px 16px}.share-close-btn{margin-top:var(--space-md);color:var(--color-gray);font-size:.85rem}.toast-container{position:fixed;bottom:var(--space-xl);left:50%;transform:translate(-50%);z-index:200;display:flex;flex-direction:column;gap:var(--space-sm)}.toast{padding:12px 20px;border-radius:var(--radius-md);font-size:.9rem;font-weight:500;box-shadow:var(--shadow-md);animation:toastIn .3s ease;white-space:nowrap}.toast-success{background:var(--color-green);color:var(--color-white)}.toast-error{background:var(--color-red);color:var(--color-white)}.toast-info{background:var(--color-ink);color:var(--color-white)}@keyframes toastIn{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.roadmap-section{margin-bottom:var(--space-xl)}.roadmap-container{background:var(--color-white);border-radius:var(--radius-lg);padding:var(--space-lg);box-shadow:var(--shadow-sm)}.roadmap-header{display:flex;align-items:baseline;gap:var(--space-sm);margin-bottom:var(--space-md);flex-wrap:wrap}.roadmap-title{font-family:var(--font-display);font-size:1.25rem}.roadmap-subtitle{font-size:.85rem;color:var(--color-gray)}.roadmap-legend{display:flex;gap:var(--space-md);margin-left:auto;font-size:.75rem;color:var(--color-gray)}.legend-item{display:flex;align-items:center;gap:4px}.legend-dot{display:inline-block;width:8px;height:8px;border-radius:50%}.legend-dot--done{background:var(--color-green)}.legend-dot--today{background:var(--color-ink)}.legend-dot--upcoming{border:1.5px solid var(--color-gray-light)}.legend-dot--milestone{background:var(--color-gold)}.roadmap-svg{width:100%;height:auto}.roadmap-progress{transition:stroke-dasharray 1s cubic-bezier(.4,0,.2,1)}.roadmap-node--today{animation:todayPulse 2s ease-in-out infinite;filter:drop-shadow(0 0 4px rgba(26,26,26,.3))}@keyframes todayPulse{0%,to{transform-origin:center;r:8;opacity:1}50%{opacity:.7}}.roadmap-label{font-family:var(--font-body)}.roadmap-footer{display:flex;justify-content:space-between;margin-top:var(--space-md);padding-top:var(--space-sm);border-top:1px solid var(--color-cream)}.roadmap-date{font-size:.75rem;color:var(--color-gray)}.roadmap-date--current{font-weight:600;color:var(--color-ink)}.chain-counter{background:var(--color-ink);color:var(--color-white);border-radius:var(--radius-lg);padding:var(--space-lg) var(--space-xl);margin-top:var(--space-xl)}.chain-counter-label{display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--color-gray-light);margin-bottom:var(--space-xs)}.chain-counter-value{font-family:var(--font-display);font-size:3rem;line-height:1;transition:transform .3s ease}.chain-counter-value em{color:var(--color-green-light);font-style:italic;display:inline-block;transition:transform .2s ease}.chain-counter-value:hover em{transform:scale(1.05)}.chain-counter-next{display:block;margin-top:var(--space-sm);font-size:.85rem;color:var(--color-gray-light)}.install-prompt{position:fixed;bottom:var(--space-xl);right:var(--space-xl);background:var(--color-white);border-radius:var(--radius-lg);padding:var(--space-lg);box-shadow:0 8px 30px #0000001f;z-index:150;max-width:300px;animation:toastIn .3s ease}.install-prompt p{font-size:.9rem;margin-bottom:var(--space-md)}.install-prompt-actions{display:flex;gap:var(--space-sm)}.insights{max-width:640px}.insights-heading{font-size:1.5rem;margin-bottom:var(--space-lg)}.insights-overview{display:flex;gap:var(--space-md);margin-bottom:var(--space-lg)}.insights-overview-stat{flex:1;background:var(--color-ink);color:var(--color-white);border-radius:var(--radius-lg);padding:var(--space-md) var(--space-lg);text-align:center}.insights-overview-value{display:block;font-family:var(--font-display);font-size:1.8rem;line-height:1;margin-bottom:var(--space-xs)}.insights-overview-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:var(--color-gray-light)}.insights-card{background:var(--color-white);border-radius:var(--radius-lg);padding:var(--space-lg);margin-bottom:var(--space-lg)}.insights-card-title{font-family:var(--font-body);font-weight:600;font-size:.95rem;margin-bottom:var(--space-xs)}.insights-card-subtitle{font-size:.8rem;color:var(--color-gray);margin-bottom:var(--space-lg)}.insights-empty{color:var(--color-gray);font-size:.9rem;text-align:center;padding:var(--space-xl)}.insights-chart-wrapper{overflow-x:auto;padding-left:28px}.insights-chart-svg{width:100%;min-width:300px;height:auto}.insights-days{display:flex;flex-direction:column;gap:var(--space-sm)}.insights-day-bar{display:flex;align-items:center;gap:var(--space-sm)}.insights-day-label{width:32px;font-size:.8rem;font-weight:500;color:var(--color-gray)}.insights-day-track{flex:1;height:20px;background:var(--color-cream);border-radius:10px;overflow:hidden}.insights-day-fill{height:100%;border-radius:10px;transition:width .5s ease;min-width:2px}.insights-day-rate{width:36px;text-align:right;font-size:.8rem;font-weight:500;color:var(--color-ink)}.insights-habits{display:flex;flex-direction:column;gap:var(--space-md)}.insights-habit-row{display:flex;align-items:center;gap:var(--space-md)}.insights-habit-info{width:120px;flex-shrink:0}.insights-habit-title{display:block;font-size:.85rem;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.insights-habit-type{font-size:.7rem;text-transform:uppercase;letter-spacing:.04em;color:var(--color-gray)}.insights-habit-bar-track{flex:1;height:16px;background:var(--color-cream);border-radius:8px;overflow:hidden}.insights-habit-bar-fill{height:100%;background:var(--color-green);border-radius:8px;transition:width .5s ease}.insights-habit-numbers{width:80px;text-align:right;flex-shrink:0}.insights-habit-rate{display:block;font-weight:600;font-size:.9rem}.insights-habit-streak{font-size:.7rem;color:var(--color-gray)}.history{max-width:600px}.history-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-lg);flex-wrap:wrap;gap:var(--space-sm)}.history-heading{font-size:1.5rem}.history-calendar-card{background:var(--color-white);border-radius:var(--radius-lg);padding:var(--space-lg)}.history-month-nav{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-lg)}.history-month-label{font-family:var(--font-display);font-size:1.1rem}.history-nav-btn{width:36px;height:36px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-md);font-size:1.1rem;color:var(--color-ink);transition:background .15s}.history-nav-btn:hover:not(:disabled){background:var(--color-cream)}.history-nav-btn:disabled{color:var(--color-gray-light);cursor:not-allowed}.history-loading{text-align:center;padding:var(--space-xl);color:var(--color-gray)}.history-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.history-day-label{text-align:center;font-size:.7rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--color-gray);padding-bottom:var(--space-xs)}.history-day{aspect-ratio:1;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:var(--radius-md);font-size:.85rem;cursor:pointer;transition:background .15s,transform .1s;gap:1px;border:2px solid transparent}.history-day:hover:not(:disabled){transform:scale(1.08)}.history-day--empty{cursor:default}.history-day--future{color:var(--color-gray-light);cursor:default}.history-day--done{background:var(--color-green-light);color:var(--color-green-dark)}.history-day--skip{background:var(--color-gold-light);color:var(--color-gold)}.history-day--miss{background:color-mix(in srgb,var(--color-red) 15%,var(--color-white));color:var(--color-red)}.history-day--today{border-color:var(--color-ink);font-weight:600}.history-day--selected{border-color:var(--color-green);box-shadow:0 0 0 2px var(--color-green-light)}.history-day-num{font-weight:500;line-height:1}.history-day-count{font-size:.55rem;line-height:1;opacity:.8}.legend-dot--skip{background:var(--color-gold)}.legend-dot--miss{background:var(--color-red)}.history-stats{display:flex;gap:var(--space-md);margin-top:var(--space-lg)}.history-stat{flex:1;background:var(--color-white);border-radius:var(--radius-lg);padding:var(--space-md);text-align:center}.history-stat-value{display:block;font-family:var(--font-display);font-size:1.5rem;line-height:1;margin-bottom:var(--space-xs)}.history-stat--done{color:var(--color-green)}.history-stat--skip{color:var(--color-gold)}.history-stat--miss{color:var(--color-red)}.history-stat-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.05em;color:var(--color-gray)}.history-detail{margin-top:var(--space-lg);background:var(--color-white);border-radius:var(--radius-lg);padding:var(--space-lg);animation:onboardFadeIn .2s ease}.history-detail-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-md)}.history-detail-header h4{font-family:var(--font-body);font-weight:600;font-size:.95rem}.history-detail-close{width:28px;height:28px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;border-radius:var(--radius-sm);color:var(--color-gray);transition:background .15s}.history-detail-close:hover{background:var(--color-cream)}.history-detail-empty{color:var(--color-gray);font-size:.9rem}.history-detail-list{list-style:none;display:flex;flex-direction:column;gap:var(--space-sm)}.history-detail-item{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-md);background:var(--color-cream)}.history-detail-item--done{border-left:3px solid var(--color-green)}.history-detail-item--skip{border-left:3px solid var(--color-gold)}.history-detail-item--miss{border-left:3px solid var(--color-red)}.history-detail-status{font-size:1rem;width:24px;text-align:center}.history-detail-info{flex:1;display:flex;flex-direction:column}.history-detail-title{font-weight:500;font-size:.9rem}.history-detail-note{font-size:.8rem;color:var(--color-gray);font-style:italic}.history-detail-time{font-size:.8rem;color:var(--color-gray)}.history-legend{display:flex;gap:var(--space-lg);justify-content:center;margin-top:var(--space-lg);font-size:.8rem;color:var(--color-gray)}.history-legend-item{display:flex;align-items:center;gap:4px}.settings{max-width:560px}.settings-heading{font-size:1.5rem;margin-bottom:var(--space-xl)}.settings-form{display:flex;flex-direction:column;gap:var(--space-xl)}.settings-section{background:var(--color-white);border-radius:var(--radius-lg);padding:var(--space-lg)}.settings-section-title{font-family:var(--font-body);font-weight:600;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;color:var(--color-gray);margin-bottom:var(--space-md)}.settings-meta{font-size:.8rem;color:var(--color-gray);margin-top:var(--space-sm)}.settings-toggle-row{display:flex;align-items:center;gap:var(--space-sm);cursor:pointer;margin-bottom:var(--space-sm)}.settings-checkbox{width:18px;height:18px;accent-color:var(--color-green);cursor:pointer}.settings-quiet-range{display:flex;gap:var(--space-lg);margin-top:var(--space-sm);padding-left:26px}.form-label--inline{display:flex;align-items:center;gap:var(--space-sm)}.form-input--sm{width:130px}.form-input--disabled{background:var(--color-cream);color:var(--color-gray);cursor:not-allowed}.settings-actions{display:flex;justify-content:flex-start}.settings-password-form{display:flex;flex-direction:column;gap:var(--space-md)}.settings-password-form .btn{align-self:flex-start}.settings-danger{margin-top:var(--space-xl);border:1.5px solid var(--color-cream-dark)}.settings-danger-text{font-size:.9rem;color:var(--color-gray);margin-bottom:var(--space-md)}.delete-account-warning{color:var(--color-red);font-size:.85rem;line-height:1.5}.btn--danger{padding:var(--space-sm) var(--space-lg);background:var(--color-white);color:var(--color-red);border:1.5px solid var(--color-red);border-radius:var(--radius-md);font-weight:500;transition:background .15s,color .15s}.btn--danger:hover{background:var(--color-red);color:var(--color-white)}.onboarding{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-xl)}.onboarding-progress{display:flex;gap:var(--space-sm);margin-bottom:var(--space-2xl)}.onboarding-dot{width:10px;height:10px;border-radius:50%;background:var(--color-gray-light);transition:background .3s ease}.onboarding-dot--active{background:var(--color-green)}.onboarding-step{width:100%;max-width:520px;text-align:center}.onboarding-fade{animation:onboardFadeIn .4s ease}@keyframes onboardFadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.onboarding-title{font-size:2rem;margin-bottom:var(--space-sm)}.onboarding-title em{color:var(--color-green);font-style:italic}.onboarding-subtitle{font-size:1rem;color:var(--color-gray);margin-bottom:var(--space-xl);line-height:1.6}.onboarding-choices{display:flex;gap:var(--space-lg);justify-content:center}.onboarding-choice{display:flex;flex-direction:column;align-items:center;gap:var(--space-sm);padding:var(--space-xl) var(--space-lg);background:var(--color-white);border:2px solid var(--color-cream-dark);border-radius:var(--radius-lg);width:220px;transition:border-color .2s,box-shadow .2s,transform .15s;cursor:pointer}.onboarding-choice:hover{border-color:var(--color-green);box-shadow:var(--shadow-md);transform:translateY(-2px)}.onboarding-choice-icon{width:48px;height:48px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:600;border-radius:50%;background:var(--color-green-light);color:var(--color-green)}.onboarding-choice-label{font-weight:600;font-size:1rem}.onboarding-choice-desc{font-size:.85rem;color:var(--color-gray);line-height:1.4}.onboarding-suggestions{display:flex;flex-wrap:wrap;gap:var(--space-sm);justify-content:center;margin-bottom:var(--space-xl)}.onboarding-suggestion{padding:var(--space-xs) var(--space-md);border:1.5px solid var(--color-cream-dark);border-radius:20px;font-size:.85rem;color:var(--color-ink);background:var(--color-white);transition:border-color .2s,background .2s;cursor:pointer}.onboarding-suggestion:hover{border-color:var(--color-green)}.onboarding-suggestion--active{border-color:var(--color-green);background:var(--color-green-light);color:var(--color-green-dark)}.onboarding-form{text-align:left}.onboarding-actions{display:flex;gap:var(--space-md);justify-content:flex-end;margin-top:var(--space-lg)}.onboarding-celebration{display:flex;flex-direction:column;align-items:center}.onboarding-chain-icon{margin-bottom:var(--space-lg);animation:celebratePop .5s ease}@keyframes celebratePop{0%{transform:scale(.5);opacity:0}70%{transform:scale(1.1)}to{transform:scale(1);opacity:1}}.onboarding-tip{display:flex;align-items:flex-start;gap:var(--space-sm);margin-top:var(--space-xl);padding:var(--space-md);background:var(--color-green-light);border:1px solid var(--color-green);border-radius:var(--radius-md);font-size:.85rem;color:var(--color-ink);line-height:1.5;text-align:left;animation:onboardFadeIn .6s ease .3s both}.onboarding-tip-icon{flex-shrink:0;color:var(--color-green);margin-top:1px}.onboarding-checkmark{stroke-dasharray:50;stroke-dashoffset:50;animation:checkDraw .6s ease .4s forwards}@keyframes checkDraw{to{stroke-dashoffset:0}}.onboarding-confetti{position:absolute;top:50%;left:50%;pointer-events:none;z-index:10}.onboarding-preview{width:100%;max-width:340px;margin:var(--space-xl) auto;text-align:left}.onboarding-preview-title{font-size:.8rem;font-weight:600;color:var(--color-gray);text-transform:uppercase;letter-spacing:1px;margin-bottom:var(--space-md);text-align:center}.onboarding-preview-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-sm) 0;font-size:.9rem;color:var(--color-ink);animation:onboardFadeIn .4s ease both}.onboarding-preview-item:nth-child(2){animation-delay:.15s}.onboarding-preview-item:nth-child(3){animation-delay:.3s}.onboarding-preview-item:nth-child(4){animation-delay:.45s}.onboarding-preview-icon{flex-shrink:0;width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--color-green-light);border-radius:50%}.btn--lg{padding:var(--space-md) var(--space-2xl);font-size:1.1rem}.mobile-header,.mobile-nav{display:none}@media(max-width:768px){.app-layout{flex-direction:column;padding-bottom:64px}.sidebar{display:none}.mobile-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-sm) var(--space-lg);border-bottom:1px solid var(--color-cream-dark);background:var(--color-cream);position:sticky;top:0;z-index:20}.mobile-header-brand{font-size:1.1rem;font-family:var(--font-display)}.mobile-header-brand em{color:var(--color-green);font-style:italic}.mobile-header .theme-toggle span{display:none}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;background:var(--color-cream);border-top:1px solid var(--color-cream-dark);z-index:20;padding:var(--space-xs) 0;padding-bottom:max(var(--space-xs),env(safe-area-inset-bottom))}.mobile-nav-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:var(--space-xs) 0;font-size:.65rem;color:var(--color-gray);background:none;border:none;cursor:pointer;transition:color .15s}.mobile-nav-item--active{color:var(--color-green);font-weight:600}.mobile-nav-item svg{transition:transform .15s}.mobile-nav-item--active svg{transform:scale(1.1)}.main-content{padding:var(--space-md) var(--space-md);max-width:100%}.dashboard-header{flex-direction:column;gap:var(--space-sm)}.dashboard-stats{align-self:flex-start}.dashboard-greeting{font-size:1.3rem}.dashboard-date{font-size:.8rem}.habit-card{padding:var(--space-md)}.habit-card-header{flex-wrap:wrap}.habit-card-streak{min-width:auto;margin-left:auto}.habit-card-menu-wrapper{margin-left:var(--space-xs)}.checkin-btn{padding:12px;font-size:.9rem}.section-header{flex-wrap:wrap;gap:var(--space-sm)}.section-header h3{font-size:1rem}.roadmap-container{margin:0 calc(-1 * var(--space-md));padding:0 var(--space-sm)}.roadmap-header{flex-wrap:wrap;gap:var(--space-xs)}.roadmap-footer{font-size:.7rem}.chain-counter{padding:var(--space-md) var(--space-lg)}.chain-counter-value{font-size:2.2rem}.modal-overlay{align-items:flex-end;padding:0}.modal-content{max-width:100%;width:100%;border-radius:var(--radius-lg) var(--radius-lg) 0 0;max-height:90dvh;overflow-y:auto;padding:var(--space-lg)}.modal-content--sm{max-width:100%}.auth-page{padding:var(--space-lg)}.auth-card{max-width:100%}.auth-title{font-size:1.5rem}.history-stats{flex-wrap:wrap}.history-stat{min-width:calc(50% - var(--space-sm))}.history-calendar{gap:2px}.history-day{font-size:.7rem}.history-detail{padding:var(--space-md)}.insights-overview{flex-direction:column}.insights-habit-row{flex-wrap:wrap}.insights-habit-info{width:100%}.settings-section{padding:var(--space-md)}.onboarding-choices{flex-direction:column;align-items:center}.onboarding-choice{width:100%;max-width:300px}.onboarding-title{font-size:1.5rem}.fab-container,.toast-container{bottom:80px}}