:root{color-scheme:light;--bg:#f6f7f9;--surface:#fff;--soft:#f8fafc;--text:#172033;--muted:#64748b;--line:#dfe5ee;--primary:#2563eb;--primary-hover:#1d4ed8;--primary-soft:#eff6ff;--warm:#fff7ed;--danger:#b93e38;--shadow:0 12px 35px #0f172a12;--radius:18px;--control:11px}html[data-theme=dark]{color-scheme:dark;--bg:#0b1120;--surface:#111827;--soft:#172033;--text:#e5edf8;--muted:#9aa8bc;--line:#2b374a;--primary:#60a5fa;--primary-hover:#93c5fd;--primary-soft:#152a48;--warm:#2b2118;--danger:#ef8d87;--shadow:0 12px 35px #0004}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--text);background:var(--bg)}button,input,textarea,select{color:inherit;font:inherit}button,summary,.file-button{cursor:pointer}[hidden]{display:none!important}.skip-link{position:fixed;z-index:3000;top:8px;left:8px;padding:9px 14px;border-radius:9px;color:#fff;background:var(--primary);transform:translateY(-160%)}.skip-link:focus{transform:none}.app-toolbar{position:sticky;z-index:900;top:60px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(14px)}.app-toolbar__inner{width:min(1200px,calc(100% - 40px));min-height:66px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand-button{display:flex;align-items:center;gap:11px;padding:0;border:0;color:var(--text);background:transparent;text-align:left}.brand-button>span:last-child{display:flex;flex-direction:column}.brand-button strong{font-size:.92rem}.brand-button small{color:var(--muted);font-size:.65rem}.brand-mark,.welcome-mark{display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,#2563eb,#0e7490);font-weight:900}.brand-mark{width:42px;height:42px;border-radius:13px;font-size:.72rem}.toolbar-actions{display:flex;gap:6px}.view{width:min(1200px,calc(100% - 40px));margin:auto;padding:48px 0 82px}.eyebrow,.section-kicker{margin:0;color:var(--primary);font-size:.69rem;font-weight:850;letter-spacing:.16em}.home-hero{max-width:800px;padding:20px 0 34px}.home-hero h1{margin:4px 0 0;font-size:clamp(3.3rem,8vw,6rem);line-height:1;letter-spacing:-.075em}.hero-message{margin:18px 0 0;color:var(--muted);font-size:1.05rem;line-height:1.9}.card{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.summary-card{min-height:126px;padding:24px;display:flex;align-items:baseline;flex-wrap:wrap;gap:7px}.summary-card span{width:100%;color:var(--muted);font-size:.74rem;font-weight:750}.summary-card strong{font-size:clamp(1.45rem,3vw,2.15rem);line-height:1.15}.summary-card small{color:var(--muted)}.home-grid{margin-top:20px;display:grid;grid-template-columns:1.15fr .85fr;gap:20px}.start-card,.random-card{min-height:270px;padding:30px}.start-card h2,.random-card h2{margin:5px 0 10px;font-size:1.45rem}.start-card>p:not(.section-kicker){margin:0 0 25px;color:var(--muted);line-height:1.8}.start-card .secondary-button{margin-left:7px}.random-preview{min-height:90px;margin:21px 0;padding:16px;border-left:3px solid #f59e0b;color:var(--muted);background:var(--warm);line-height:1.8}.home-actions{margin-top:20px;display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.home-actions button{min-height:110px;padding:17px;display:flex;flex-direction:column;align-items:flex-start;border:1px solid var(--line);border-radius:15px;color:var(--text);background:var(--surface);text-align:left}.home-actions button:hover{border-color:var(--primary);background:var(--primary-soft);transform:translateY(-2px)}.home-actions button>span{color:var(--primary);font-weight:900}.home-actions strong{margin-top:8px;font-size:.9rem}.home-actions small{color:var(--muted);font-size:.67rem}.privacy-note,.storage-explanation,.backup-reminder{margin:24px 0 0;padding:16px 18px;border:1px solid #bfdbfe;border-radius:14px;color:var(--muted);background:var(--primary-soft);font-size:.8rem;line-height:1.8}.privacy-note span{margin-right:7px;color:var(--primary)}.primary-button,.secondary-button,.ghost-button,.danger-button,.file-button{min-height:42px;padding:9px 16px;border:1px solid transparent;border-radius:var(--control);font-weight:760}.primary-button{color:#fff;background:var(--primary);box-shadow:0 5px 14px color-mix(in srgb,var(--primary) 24%,transparent)}.primary-button:hover{background:var(--primary-hover)}.primary-button.compact{min-height:38px;padding:7px 13px}.secondary-button,.file-button{border-color:var(--line);color:var(--text);background:var(--surface)}.secondary-button:hover,.file-button:hover{border-color:var(--primary);background:var(--primary-soft)}.ghost-button{padding:8px 11px;color:var(--muted);background:transparent}.ghost-button:hover{color:var(--primary);background:var(--primary-soft)}.danger-button{color:#fff;background:var(--danger)}.danger-button:disabled{opacity:.45;cursor:not-allowed}.large{min-height:49px}.view-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:25px;margin-bottom:28px}.view-heading h1{margin:4px 0 5px;font-size:clamp(2.2rem,5vw,3.5rem);letter-spacing:-.05em}.view-heading p:not(.eyebrow),.muted{margin:0;color:var(--muted)}.filter-card{padding:18px;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:12px}.filter-card label,.form-grid label,.stack-form label,.inline-form label,.data-card>label,.dialog-card label{color:var(--muted);font-size:.72rem;font-weight:760}.filter-card .wide{grid-column:span 2}input,textarea,select{width:100%;border:1px solid var(--line);border-radius:9px;color:var(--text);background:var(--surface)}input,select{height:44px;padding:0 11px}textarea{padding:11px;line-height:1.7;resize:vertical}.filter-card input,.filter-card select{margin-top:5px}.display-tabs{margin:18px 0;display:flex;gap:6px;overflow:auto}.display-tabs button{padding:8px 13px;border:1px solid var(--line);border-radius:99px;color:var(--muted);background:var(--surface);white-space:nowrap}.display-tabs button.is-active{border-color:var(--primary);color:#fff;background:var(--primary)}.timeline{position:relative;display:grid;gap:18px;padding:12px 0}.timeline:before{content:"";position:absolute;top:0;bottom:0;left:154px;width:2px;background:var(--line)}.timeline-item{position:relative;display:grid;grid-template-columns:125px 1fr;gap:58px}.timeline-item:before{content:"";position:absolute;top:27px;left:147px;width:14px;height:14px;border:4px solid var(--bg);border-radius:50%;background:var(--primary)}.timeline-date{text-align:right;padding-top:17px}.timeline-date strong{display:block;font-size:1.08rem}.timeline-date span{color:var(--muted);font-size:.75rem}.event-card{padding:21px;border:1px solid var(--line);border-radius:16px;background:var(--surface);box-shadow:var(--shadow)}.event-card:hover{border-color:color-mix(in srgb,var(--primary) 45%,var(--line))}.event-card__top{display:flex;justify-content:space-between;gap:12px}.event-card h2,.event-card h3{margin:4px 0 8px;font-size:1.12rem}.event-card p{margin:8px 0;color:var(--muted);white-space:pre-wrap}.category-badge,.tag,.emotion{display:inline-block;padding:4px 8px;border-radius:99px;font-size:.66rem}.category-badge{color:var(--primary);background:var(--primary-soft);font-weight:800}.tag{margin:3px 3px 0 0;color:var(--muted);background:var(--soft)}.emotion{margin:3px;color:#9a3412;background:#ffedd5}.event-actions{display:flex;gap:5px}.event-actions button{padding:5px 8px;border:0;color:var(--primary);background:transparent}.impact{color:#f59e0b;letter-spacing:.06em}.list-mode,.card-list{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}.list-mode .event-card{min-height:210px}.group-heading{grid-column:1/-1;margin:24px 0 0;padding-bottom:8px;border-bottom:1px solid var(--line);font-size:1.25rem}.empty-state{grid-column:1/-1;padding:70px 20px;text-align:center;color:var(--muted)}.age-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.age-slot{min-height:145px;padding:16px;border:1px solid var(--line);border-radius:14px;background:var(--surface)}.age-slot h2{margin:0 0 10px;font-size:1rem}.age-slot p{margin:6px 0;font-size:.78rem}.age-slot button{width:100%;min-height:70px;border:1px dashed var(--line);border-radius:10px;color:var(--muted);background:var(--soft)}.editor-view{width:min(980px,calc(100% - 40px))}.editor-form{display:grid;gap:16px}.form-card{padding:26px}.form-card h2{margin:0 0 20px;font-size:1.25rem}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}.span-2{grid-column:1/-1}.form-grid label>b,.date-field b{color:var(--danger)}.form-grid input,.form-grid select,.form-grid textarea,.stack-form input,.stack-form select,.stack-form textarea{margin-top:6px}.date-field{display:grid;grid-template-columns:repeat(3,1fr) auto;align-items:end;gap:10px;margin:0;padding:0;border:0}.date-field legend,.emotion-field legend{margin-bottom:7px;color:var(--muted);font-size:.72rem;font-weight:760}.calculated-age{align-self:center;color:var(--primary);font-size:.8rem;font-weight:800}.check-label{display:flex!important;align-items:center;gap:7px;min-height:44px}.check-label input{width:18px;height:18px;margin:0}.emotion-field{margin:0 0 20px;padding:0;border:0}.chip-options{display:flex;flex-wrap:wrap;gap:7px}.chip-check{position:relative}.chip-check input{position:absolute;opacity:0}.chip-check span{display:block;padding:7px 11px;border:1px solid var(--line);border-radius:99px;color:var(--muted);background:var(--surface);font-size:.74rem}.chip-check input:checked+span{border-color:#fb923c;color:#9a3412;background:#ffedd5}.deep-grid{margin-top:20px}.form-card summary{font-weight:800}.form-actions{display:flex;align-items:center;gap:9px}.form-actions span{flex:1}.reflection-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.span-wide{grid-column:1/-1}.life-graph{width:100%;height:auto;margin:18px 0;border:1px solid var(--line);border-radius:12px;background:var(--soft)}.inline-form{display:flex;align-items:end;flex-wrap:wrap;gap:10px}.inline-form label{min-width:110px;flex:1}.chapter-form .wide{flex-basis:100%}.mini-list{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}.mini-item{padding:6px 9px;border-radius:9px;background:var(--soft);font-size:.74rem}.mini-item button{border:0;color:var(--danger);background:transparent}.heatmap{display:grid;grid-template-columns:repeat(8,1fr);gap:5px;margin-top:18px}.heat-cell{aspect-ratio:1;display:grid;place-items:center;border-radius:6px;color:var(--muted);background:var(--soft);font-size:.64rem}.heat-cell[data-level="1"]{background:#dbeafe}.heat-cell[data-level="2"]{background:#93c5fd}.heat-cell[data-level="3"]{color:#fff;background:#3b82f6}.heat-cell[data-level="4"]{color:#fff;background:#1d4ed8}.stack-form{display:grid;gap:12px;margin-top:16px}.chapter-list{display:grid;gap:10px;margin:18px 0}.chapter-item{padding:16px;border-left:4px solid var(--primary);border-radius:10px;background:var(--soft)}.chapter-item h3{margin:0}.chapter-item p{margin:5px 0;color:var(--muted)}.chapter-item button{margin-right:8px;border:0;color:var(--primary);background:transparent}.data-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.data-card{padding:26px}.data-card h2{margin:5px 0 8px;font-size:1.25rem}.data-card>p:not(.section-kicker){color:var(--muted);font-size:.84rem}.button-stack{display:flex;flex-wrap:wrap;gap:8px}.file-button{display:inline-flex;align-items:center}.setting-note{font-size:.7rem!important}.danger-card{border-color:color-mix(in srgb,var(--danger) 35%,var(--line))}dialog{padding:0;border:0;color:var(--text);background:transparent}dialog::backdrop{background:#0f172a7a;backdrop-filter:blur(4px)}.dialog-card{width:min(560px,calc(100vw - 28px));padding:clamp(26px,5vw,42px);display:grid;gap:12px;border:1px solid var(--line);border-radius:22px;color:var(--text);background:var(--surface);box-shadow:0 28px 90px #0f172a4d}.dialog-card h2{margin:0;font-size:1.7rem}.dialog-card p{margin:0;color:var(--muted);line-height:1.8}.dialog-card input,.dialog-card textarea{margin-top:6px}.welcome-mark{width:64px;height:64px;border-radius:18px}.dialog-actions{margin-top:10px;display:flex;justify-content:flex-end;gap:8px}.toast{position:fixed;z-index:4000;right:22px;bottom:22px;max-width:min(430px,calc(100% - 30px));padding:13px 17px;border-radius:12px;color:#fff;background:#1e293b;box-shadow:0 14px 35px #0f172a4d;font-size:.82rem;opacity:0;pointer-events:none;transform:translateY(12px);transition:.16s}.toast.is-visible{opacity:1;transform:none}.toast.is-error{background:#9f2f2a}:focus-visible{outline:3px solid #60a5fa;outline-offset:3px}
@media(max-width:850px){.summary-grid,.age-grid{grid-template-columns:1fr 1fr}.home-grid,.reflection-grid,.data-grid{grid-template-columns:1fr}.span-wide{grid-column:auto}.filter-card{grid-template-columns:1fr 1fr}.list-mode,.card-list{grid-template-columns:1fr}.home-actions{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.app-toolbar__inner,.view{width:calc(100% - 28px)}.app-toolbar__inner{min-height:58px}.app-toolbar{top:60px}.toolbar-actions .ghost-button{display:none}.view{padding:29px 0 60px}.home-hero h1{font-size:3.4rem}.summary-grid{grid-template-columns:1fr}.summary-card{min-height:100px}.home-actions{grid-template-columns:1fr}.start-card .secondary-button{margin:8px 0 0}.view-heading{align-items:flex-start;flex-direction:column}.filter-card,.form-grid{grid-template-columns:1fr}.filter-card .wide,.span-2{grid-column:auto}.date-field{grid-template-columns:repeat(3,1fr)}.date-field .calculated-age,.date-field .check-label{grid-column:1/-1}.timeline:before{left:8px}.timeline-item{grid-template-columns:1fr;gap:6px;padding-left:30px}.timeline-item:before{top:28px;left:1px}.timeline-date{text-align:left}.age-grid{grid-template-columns:1fr}.form-card{padding:21px}.form-actions{align-items:stretch;flex-direction:column}.form-actions span{display:none}.form-actions button{width:100%}.heatmap{grid-template-columns:repeat(6,1fr)}.button-stack{flex-direction:column}.button-stack>*{width:100%;justify-content:center}.dialog-actions{flex-direction:column}.dialog-actions button{width:100%}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}
.memory-hints{padding:20px 24px;border-color:#fed7aa;background:var(--warm)}.memory-hints h2{margin:0 0 7px;color:#9a3412;font-size:1rem}.memory-hints p{margin:0;color:var(--muted);font-size:.8rem;line-height:1.9}