:root{--bg: #FAF8F4;--bg-card: #FFFFFF;--bg-input: #F4EEE6;--bg-subtle: #EDE6DB;--border: #E3D9CE;--border-focus: #7C4B2A;--text-1: #1C1009;--text-2: #5C3D2A;--text-3: #9A7B68;--accent: #7C4B2A;--accent-light: #F5E8DC;--accent-dark: #5C3319;--status-gifted: #4A7FA8;--status-reading: #C07B28;--status-finished: #3D8B5C;--status-dnf: #9A6B6B;--r-sm: 8px;--r-md: 12px;--r-lg: 16px;--r-full: 9999px;--shadow-sm: 0 1px 3px rgba(0,0,0,.07);--shadow-md: 0 4px 14px rgba(0,0,0,.11);--shadow-lg: 0 8px 28px rgba(0,0,0,.16);--sans: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--serif: "Georgia", "Times New Roman", serif;--header-h: 56px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--sans);background:var(--bg);color:var(--text-1);min-height:100vh;min-height:100dvh;overscroll-behavior:none}img{display:block;max-width:100%}button{cursor:pointer;border:none;background:none;font:inherit;-webkit-tap-highlight-color:transparent}input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}.screen{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;max-width:430px;margin:0 auto;position:relative}.header{height:var(--header-h);background:var(--bg-card);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 16px;gap:10px;position:sticky;top:0;z-index:100;flex-shrink:0}.header__back{width:38px;height:38px;display:flex;align-items:center;justify-content:center;border-radius:var(--r-full);color:var(--text-2);font-size:22px;margin-left:-6px;flex-shrink:0}.header__back:active{background:var(--bg-input)}.header__title{font-family:var(--serif);font-size:19px;font-weight:600;color:var(--text-1);flex:1;letter-spacing:-.3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header__action{width:38px;height:38px;display:flex;align-items:center;justify-content:center;border-radius:var(--r-full);color:var(--text-2);font-size:18px;flex-shrink:0}.header__action:active{background:var(--bg-input)}.content{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-md);font-size:15px;font-weight:600;transition:opacity .15s,transform .1s;-webkit-tap-highlight-color:transparent}.btn:active{transform:scale(.97);opacity:.85}.btn:disabled{opacity:.45;pointer-events:none}.btn--primary{background:var(--accent);color:#fff;width:100%}.btn--secondary{background:var(--bg-input);color:var(--text-2)}.btn--danger{background:transparent;color:#c0392b;border:1.5px solid #F5C6C6;width:100%}.form-group{display:flex;flex-direction:column;gap:6px}.form-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.7px;color:var(--text-3)}.form-input{height:48px;padding:0 14px;background:var(--bg-input);border:1.5px solid transparent;border-radius:var(--r-md);color:var(--text-1);font-size:15px;outline:none;transition:border-color .15s,background .15s;-webkit-appearance:none;width:100%}.form-input:focus{border-color:var(--border-focus);background:var(--bg-card)}.form-input::placeholder{color:var(--text-3)}.form-textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.5}.form-select{-moz-appearance:none;appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%239A7B68' stroke-width='1.5' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px}.book-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;padding:12px 12px 88px}.book-card{background:var(--bg-card);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .15s,box-shadow .15s;-webkit-tap-highlight-color:transparent}.book-card:active{transform:scale(.97);box-shadow:var(--shadow-md)}.book-card__cover{aspect-ratio:2/3;width:100%;object-fit:cover}.book-card__cover-ph{aspect-ratio:2/3;width:100%;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:40px;font-weight:700;color:#ffffffe6;text-shadow:0 2px 8px rgba(0,0,0,.25)}.book-card__info{padding:10px 10px 12px}.book-card__num{font-size:11px;font-weight:700;color:var(--accent);letter-spacing:.3px;margin-bottom:3px}.book-card__title{font-size:13px;font-weight:600;color:var(--text-1);line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.book-card__author{font-size:12px;color:var(--text-3);margin-top:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.status-badge{display:inline-flex;align-items:center;padding:4px 9px;border-radius:var(--r-full);font-size:12px;font-weight:600;line-height:1}.status-badge--gifted{background:#e3eef7;color:var(--status-gifted)}.status-badge--reading{background:#fbf2e3;color:var(--status-reading)}.status-badge--finished{background:#e3f2eb;color:var(--status-finished)}.status-badge--dnf{background:#f5ebeb;color:var(--status-dnf)}.fab{position:fixed;bottom:calc(24px + env(safe-area-inset-bottom,0px));right:24px;width:56px;height:56px;border-radius:50%;background:var(--accent);color:#fff;font-size:30px;font-weight:300;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);z-index:200;transition:transform .15s}.fab:active{transform:scale(.9)}.search-wrap{padding:10px 12px;background:var(--bg-card);border-bottom:1px solid var(--border);position:sticky;top:var(--header-h);z-index:90;flex-shrink:0}.search-row{position:relative}.search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:15px;pointer-events:none;opacity:.45}.search-input{width:100%;height:40px;padding:0 14px 0 36px;background:var(--bg-input);border:none;border-radius:var(--r-full);font-size:15px;color:var(--text-1);outline:none;-webkit-appearance:none}.search-input::placeholder{color:var(--text-3)}.sort-tabs{display:flex;gap:8px;padding:8px 12px;background:var(--bg-card);border-bottom:1px solid var(--border);overflow-x:auto;-webkit-overflow-scrolling:touch;flex-shrink:0}.sort-tabs::-webkit-scrollbar{display:none}.sort-tab{flex-shrink:0;padding:5px 14px;border-radius:var(--r-full);font-size:13px;font-weight:500;color:var(--text-3);background:transparent;border:1.5px solid var(--border);transition:all .15s}.sort-tab--active{background:var(--accent-light);border-color:var(--accent);color:var(--accent);font-weight:600}.book-results{position:absolute;top:calc(100% + 6px);left:0;right:0;background:var(--bg-card);border-radius:var(--r-md);box-shadow:var(--shadow-lg);z-index:300;overflow:hidden;max-height:300px;overflow-y:auto;border:1px solid var(--border)}.book-result-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-bottom:1px solid var(--border);cursor:pointer}.book-result-item:last-child{border-bottom:none}.book-result-item:active{background:var(--bg-input)}.book-result-thumb{width:38px;height:54px;object-fit:cover;border-radius:4px;background:var(--bg-subtle);flex-shrink:0}.book-result-thumb-ph{width:38px;height:54px;border-radius:4px;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:20px;font-weight:700;color:#ffffffe6;flex-shrink:0}.book-result-info{flex:1;min-width:0}.book-result-title{font-size:14px;font-weight:600;color:var(--text-1);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.book-result-author{font-size:12px;color:var(--text-3);margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.detail-cover{width:100%;max-height:340px;object-fit:cover;object-position:center top}.detail-cover-ph{width:100%;height:220px;display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:80px;font-weight:700;color:#ffffffe6;text-shadow:0 4px 16px rgba(0,0,0,.25)}.detail-body{padding:20px 16px 40px}.detail-title{font-family:var(--serif);font-size:24px;font-weight:700;color:var(--text-1);line-height:1.3;margin-bottom:4px}.detail-author{font-size:16px;color:var(--text-2);margin-bottom:16px}.detail-field{padding:12px 0;border-top:1px solid var(--border)}.detail-field-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.7px;color:var(--text-3);margin-bottom:4px}.detail-field-value{font-size:15px;color:var(--text-1);line-height:1.55}.tags-wrap{display:flex;flex-wrap:wrap;gap:6px}.tag{display:inline-flex;padding:4px 10px;background:var(--bg-subtle);border-radius:var(--r-full);font-size:12px;color:var(--text-2)}.center-fill{flex:1;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px;padding:40px 24px;text-align:center;min-height:240px}.empty-icon{font-size:48px}.empty-title{font-family:var(--serif);font-size:20px;font-weight:600;color:var(--text-1)}.empty-text{font-size:15px;color:var(--text-3);line-height:1.5}.spinner{width:24px;height:24px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .65s linear infinite;flex-shrink:0}@keyframes spin{to{transform:rotate(360deg)}}.error-msg{padding:11px 14px;background:#fde8e8;border-radius:var(--r-md);color:#b91c1c;font-size:14px;line-height:1.4}.success-chip{padding:8px 12px;background:var(--accent-light);border-radius:var(--r-md);font-size:13px;color:var(--accent-dark);display:flex;align-items:center;gap:8px}.login-screen{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px;background:var(--bg)}.login-logo{font-size:52px;margin-bottom:8px}.login-title{font-family:var(--serif);font-size:32px;font-weight:700;color:var(--text-1);margin-bottom:6px}.login-sub{font-size:15px;color:var(--text-3);margin-bottom:32px;text-align:center}.login-card{width:100%;max-width:360px;background:var(--bg-card);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-md);display:flex;flex-direction:column;gap:16px}.status-sheet{margin-top:8px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-md)}.status-sheet-opt{padding:13px 16px;font-size:14px;border-bottom:1px solid var(--border);cursor:pointer;display:flex;align-items:center;gap:10px}.status-sheet-opt:last-child{border-bottom:none}.status-sheet-opt:active{background:var(--bg-input)}.status-sheet-opt--active{font-weight:700;background:var(--accent-light)}.delete-confirm{padding:16px;background:#fef2f2;border-radius:var(--r-md);border:1px solid #FCA5A5}.delete-confirm p{font-size:14px;color:#991b1b;margin-bottom:12px;line-height:1.4}.delete-confirm-btns{display:flex;gap:8px}