:root{--paper: #eae7d9;--paper-raised: #f6f4ea;--ink: #23241d;--ink-soft: #6b6a5a;--line: #d2cdb8;--accent: #1f5c4e;--accent-ink: #f6f4ea;--accent-tint: #e1eae4;--brass: #a9793c;--danger: #9c4a3d}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--paper: #191b16;--paper-raised: #232620;--ink: #eae6d7;--ink-soft: #9b9484;--line: #383b32;--accent: #57b296;--accent-ink: #0f211c;--accent-tint: #1f332b;--brass: #d8ac66;--danger: #cc8271}}:root[data-theme=dark]{--paper: #191b16;--paper-raised: #232620;--ink: #eae6d7;--ink-soft: #9b9484;--line: #383b32;--accent: #57b296;--accent-ink: #0f211c;--accent-tint: #1f332b;--brass: #d8ac66;--danger: #cc8271}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--paper);color:var(--ink);font-family:Zen Kaku Gothic New,Hiragino Kaku Gothic ProN,Yu Gothic,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer}input{font-family:inherit}h1,h2,h3{font-family:Shippori Mincho,Hiragino Mincho ProN,Yu Mincho,serif;margin:0}.app-shell{max-width:480px;margin:0 auto;min-height:100vh;position:relative;display:flex;flex-direction:column}.app-main{flex:1;padding:20px 18px 96px}.screen-title{font-size:1.5rem;margin-bottom:24px}.empty-hint{color:var(--ink-soft);font-size:.9rem}.bottom-nav{position:fixed;bottom:0;left:0;right:0;max-width:480px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr auto 1fr 1fr;align-items:center;background:var(--paper-raised);border-top:1px solid var(--line);padding:10px 16px calc(10px + env(safe-area-inset-bottom));z-index:10}.nav-item{background:none;border:none;padding:8px 4px;font-size:.72rem;letter-spacing:.04em;color:var(--ink-soft)}.nav-item.active{color:var(--accent);font-weight:700}.nav-add{grid-column:3;width:52px;height:52px;border-radius:50%;background:var(--accent);color:var(--accent-ink);border:none;font-size:1.6rem;line-height:1;margin:0 8px}.home-section{margin-bottom:28px}.home-section h2{font-size:1rem;margin-bottom:12px}.home-row{display:flex;gap:12px;overflow-x:auto}.recent-row{display:flex;justify-content:space-between;align-items:center;width:100%;background:none;border:none;border-top:1px solid var(--line);padding:10px 0;text-align:left;color:var(--ink)}.recent-title{font-size:.9rem}.month-count{font-size:1.6rem;font-family:IBM Plex Mono,monospace;color:var(--accent)}.book-card{display:flex;align-items:center;gap:12px;width:100%;background:none;border:none;padding:10px 0;border-top:1px solid var(--line);text-align:left;color:var(--ink)}.home-row .book-card{flex-direction:column;width:96px;border-top:none;align-items:flex-start}.book-cover{width:48px;height:68px;flex:none;border-radius:4px;overflow:hidden;background:var(--paper-raised);border:1px solid var(--line)}.book-cover img{width:100%;height:100%;object-fit:cover}.book-cover-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--ink-soft);font-family:Shippori Mincho,serif;font-size:1.2rem}.book-title{font-size:.88rem;line-height:1.4}.book-author{font-size:.76rem;color:var(--ink-soft)}.search-row{margin-bottom:14px}.search-trigger{background:var(--paper-raised);border:1px solid var(--line);border-radius:8px;padding:8px 14px;color:var(--ink-soft);font-size:.85rem}.search-input{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--line);background:var(--paper-raised);color:var(--ink)}.tab-row{display:flex;gap:8px;margin-bottom:16px}.tab-item{background:none;border:1px solid var(--line);border-radius:99px;padding:6px 14px;font-size:.85rem;color:var(--ink-soft)}.tab-item.active{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:700}.archived-link{display:block;margin:20px auto 0;background:none;border:none;color:var(--ink-soft);font-size:.82rem;text-decoration:underline}.archived-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-top:1px solid var(--line)}.stat-tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:28px}.stat-tile{background:var(--paper-raised);border:1px solid var(--line);border-radius:10px;padding:16px 8px;text-align:center}.stat-tile-num{font-family:IBM Plex Mono,monospace;font-size:1.5rem;color:var(--accent)}.stat-tile-label{font-size:.76rem;color:var(--ink-soft);margin-top:4px}.data-status-card{background:var(--paper-raised);border-left:3px solid var(--brass);border-radius:4px;padding:16px;font-size:.88rem}.data-status-card p{margin:8px 0 0;color:var(--ink-soft)}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;max-width:480px;margin:0 auto;background:var(--paper);z-index:20;display:flex;flex-direction:column;overflow-y:auto}.sheet{display:flex;flex-direction:column;min-height:100%}.sheet-header{display:flex;align-items:center;justify-content:space-between;padding:20px 18px 12px;border-bottom:1px solid var(--line)}.sheet-close{background:none;border:none;font-size:1.4rem;color:var(--ink-soft);line-height:1}.sheet-body{padding:18px;flex:1}.sheet-message{display:flex;flex-direction:column;gap:12px;align-items:flex-start}.sheet-footer{padding:16px 18px calc(16px + env(safe-area-inset-bottom));border-top:1px solid var(--line);display:flex;flex-direction:column;gap:10px}.primary-button{background:var(--accent);color:var(--accent-ink);border:none;border-radius:10px;padding:14px;font-size:.95rem;font-weight:700}.primary-button:disabled{opacity:.5}.secondary-button{background:none;border:1px solid var(--accent);color:var(--accent);border-radius:10px;padding:14px;font-size:.95rem;font-weight:600}.text-button{background:none;border:none;color:var(--ink-soft);font-size:.85rem;text-decoration:underline;padding:8px 0;text-align:left}.text-button.danger{color:var(--danger)}.danger-button{background:var(--danger);color:var(--accent-ink);border:none;border-radius:10px;padding:12px;font-weight:700}.scan-screen{position:relative;flex:1;background:#000;display:flex;align-items:center;justify-content:center;min-height:100vh}.scan-video{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:cover}.scan-overlay{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:16px}.scan-frame{width:220px;height:140px;border:2px solid #fff;border-radius:12px;box-shadow:0 0 0 999px #0006}.scan-instruction{color:#fff;font-size:.9rem}.scan-manual-link{background:#ffffff26;border:1px solid rgba(255,255,255,.5);color:#fff;border-radius:99px;padding:8px 16px;font-size:.82rem}.scan-cancel{position:absolute;top:calc(16px + env(safe-area-inset-top));right:16px;color:#fff;font-size:1.6rem;z-index:2}.scan-loading{background:var(--paper);color:var(--ink)}.confirm-body,.detail-cover-row{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center}.detail-cover-row{flex-direction:row;text-align:left;align-items:center;gap:14px;margin-bottom:20px}.confirm-cover{width:96px;height:136px;border-radius:6px;overflow:hidden;background:var(--paper-raised);border:1px solid var(--line);flex:none}.confirm-cover img{width:100%;height:100%;object-fit:cover}.confirm-title{font-family:Shippori Mincho,serif;font-size:1.1rem;font-weight:600}.confirm-author{color:var(--ink-soft);font-size:.85rem}.confirm-actions{flex-direction:column}.completion-block{margin-bottom:22px}.block-label{font-size:.82rem;color:var(--ink-soft);margin-bottom:10px}.rating-stars{display:flex;gap:4px}.rating-star{background:none;border:none;color:var(--brass);padding:0;line-height:1}.rating-star:disabled{cursor:default}.emotion-picker{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.emotion-item{display:flex;flex-direction:column;align-items:center;gap:4px;background:var(--paper-raised);border:1px solid var(--line);border-radius:10px;padding:10px 4px}.emotion-item.selected{border-color:var(--accent);background:var(--accent-tint)}.emotion-emoji{font-size:1.4rem}.emotion-label{font-size:.68rem;color:var(--ink-soft)}.tag-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}.tag-chip{background:var(--paper-raised);border:1px solid var(--line);border-radius:99px;padding:6px 14px;font-size:.85rem;color:var(--ink)}.tag-chip.selected{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.tag-add-row{display:flex;gap:8px}.tag-add-row input{flex:1;padding:8px 10px;border-radius:8px;border:1px solid var(--line);background:var(--paper-raised);color:var(--ink)}.tag-add-row button{background:none;border:1px solid var(--line);border-radius:8px;padding:8px 12px;color:var(--ink-soft)}.memo-input{width:100%;padding:12px;border-radius:8px;border:1px solid var(--line);background:var(--paper-raised);color:var(--ink)}.detail-actions{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}.detail-history{border-top:1px solid var(--line);padding-top:16px;margin-bottom:20px}.history-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:10px 0;border-bottom:1px solid var(--line);font-size:.85rem}.history-date{font-family:IBM Plex Mono,monospace;font-size:.76rem;color:var(--ink-soft)}.history-tags{color:var(--ink-soft)}.history-memo{flex-basis:100%;color:var(--ink-soft);font-style:italic}.detail-danger{display:flex;flex-direction:column;border-top:1px solid var(--line);padding-top:12px}.delete-confirm{background:var(--paper-raised);border-radius:8px;padding:12px;margin-top:6px}.delete-confirm p{font-size:.82rem;color:var(--danger);margin:0 0 10px}