:root{--bg:#0a0a0f;--bg-card:#13131a;--bg-card-hover:#1a1a24;--bg-input:#1a1a24;--border:#2a2a3a;--text:#a0a0b8;--text-bright:#e8e8f0;--accent:#7f3eff;--accent-bright:#b07aff;--accent-bg:#7f3eff1a;--green:#00e676;--green-bg:#00e6761a;--orange:#ff9100;--orange-bg:#ff91001a;--red:#ff5252;--red-bg:#ff52521a;--blue:#448aff;--blue-bg:#448aff1a;--radius:12px;--radius-sm:8px;--shadow:0 4px 24px #0000004d;--font:"Outfit", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;line-height:1.5}#root,.app{min-height:100vh}.main-content{max-width:1100px;margin:0 auto;padding:32px 24px 64px}.loading{min-height:100vh;color:var(--text);justify-content:center;align-items:center;font-size:18px;display:flex}.navbar{border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);z-index:100;background:#0a0a0fcc;justify-content:space-between;align-items:center;padding:16px 24px;display:flex;position:sticky;top:0}.navbar-brand a{color:var(--accent-bright);letter-spacing:-.5px;font-size:22px;font-weight:700;text-decoration:none}.navbar-links{gap:8px;display:flex}.navbar-links a{color:var(--text);border-radius:var(--radius-sm);align-items:center;gap:6px;padding:8px 16px;font-size:15px;font-weight:500;text-decoration:none;transition:all .2s;display:flex}.nav-icon{display:none}.navbar-links a:hover{color:var(--text-bright);background:var(--bg-card)}.navbar-links a.active{color:var(--accent-bright);background:var(--accent-bg)}.navbar-user{align-items:center;gap:12px;display:flex}.navbar-avatar{border:2px solid var(--border);border-radius:50%;width:32px;height:32px}.btn-sign-out{border:1px solid var(--border);color:var(--text);border-radius:var(--radius-sm);cursor:pointer;font-family:var(--font);background:0 0;padding:6px 14px;font-size:13px;transition:all .2s}.btn-sign-out:hover{border-color:var(--red);color:var(--red)}.login-page{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);text-align:center;width:100%;max-width:420px;box-shadow:var(--shadow);padding:48px}.login-logo{margin-bottom:32px}.logo-icon{margin-bottom:16px;font-size:48px;display:block}.login-logo h1{color:var(--text-bright);letter-spacing:-1px;margin-bottom:8px;font-size:36px;font-weight:700}.login-logo p{color:var(--text);font-size:16px}.btn-google{color:#333;border-radius:var(--radius-sm);font-family:var(--font);cursor:pointer;background:#fff;border:none;align-items:center;gap:12px;padding:12px 32px;font-size:16px;font-weight:500;transition:all .2s;display:inline-flex;box-shadow:0 2px 8px #0003}.btn-google:hover{transform:translateY(-1px);box-shadow:0 4px 16px #0000004d}.login-footer{color:var(--text);margin-top:32px;font-size:13px}.login-footer a{color:var(--accent-bright);text-decoration:none}.home-layout{grid-template-columns:1fr 280px;align-items:start;gap:32px;display:grid}.home-main h1{color:var(--text-bright);letter-spacing:-.5px;margin-bottom:24px;font-size:32px;font-weight:700}.chip-search-container{margin-bottom:24px}.search-row{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);align-items:center;gap:8px;padding:6px 8px 6px 16px;transition:border-color .2s;display:flex}.search-row:focus-within{border-color:var(--accent)}.search-main-input{color:var(--text-bright);font-family:var(--font);background:0 0;border:none;outline:none;flex:1;min-width:0;padding:8px 0;font-size:16px}.search-main-input::placeholder{color:var(--text);opacity:.5}.search-row .btn-search{flex-shrink:0;padding:10px 24px;font-size:15px}.chip-active-filter{white-space:nowrap;border-radius:20px;flex-shrink:0;padding:6px 10px;font-size:13px;font-weight:600;animation:.15s chipIn}.filter-buttons{align-items:center;gap:8px;margin-top:12px;display:flex}.filter-label{color:var(--text);white-space:nowrap;font-size:13px}.filter-btn{font-family:var(--font);cursor:pointer;border-radius:20px;padding:6px 16px;font-size:13px;font-weight:500;transition:all .2s}.filter-btn:hover{filter:brightness(1.2);transform:translateY(-1px)}.filter-btn.active{filter:brightness(1.3);transform:scale(1.05);box-shadow:0 2px 12px #0000004d}.chips-row{flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px;display:flex}.chip{white-space:nowrap;cursor:pointer;border-radius:20px;align-items:center;gap:6px;padding:6px 12px;font-size:14px;font-weight:500;transition:filter .2s;animation:.15s chipIn;display:inline-flex}.chip:hover{filter:brightness(1.2)}.chip.chip-editing{padding-right:6px}@keyframes chipIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}.chip-label{text-transform:uppercase;letter-spacing:.3px;opacity:.7;font-size:11px}.chip-label:after{content:":"}.chip-remove{color:inherit;cursor:pointer;opacity:.6;background:0 0;border:none;padding:0 2px;font-size:18px;line-height:1;transition:opacity .2s}.chip-remove:hover{opacity:1}.chips-clear{color:var(--text);font-family:var(--font);cursor:pointer;background:0 0;border:none;padding:4px 8px;font-size:12px;transition:color .2s}.chips-clear:hover{color:var(--red)}.chip-edit-input{color:inherit;font-family:var(--font);background:0 0;border:none;border-bottom:1px solid;outline:none;width:120px;padding:0 2px;font-size:14px;font-weight:500}.chip-author,.filter-btn.chip-author{color:var(--orange);background:#ff910026;border:1px solid #ff91004d}.chip-genre,.filter-btn.chip-genre{color:var(--green);background:#00e6761a;border:1px solid #00e6764d}.chip-isbn,.filter-btn.chip-isbn{color:var(--blue);background:#448aff1a;border:1px solid #448aff4d}.chip-title,.filter-btn.chip-title{background:var(--accent-bg);color:var(--accent-bright);border:1px solid #7f3eff4d}.chip-search{color:var(--text-bright);border:1px solid var(--border);background:#a0a0b81a}.search-empty{text-align:center;color:var(--text);padding:64px 24px}.quick-stats{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;position:sticky;top:88px}.quick-stats-title{color:var(--text-bright);margin-bottom:20px;font-size:16px;font-weight:600}.quick-stat-items{border-bottom:1px solid var(--border);justify-content:space-between;margin-bottom:20px;padding-bottom:16px;display:flex}.quick-stat-item{text-align:center}.quick-stat-number{color:var(--text-bright);font-size:24px;font-weight:700;display:block}.quick-stat-label{color:var(--text);text-transform:uppercase;letter-spacing:.5px;font-size:11px}.quick-stat-row{justify-content:space-between;align-items:center;padding:8px 0;display:flex}.quick-stat-row-label{color:var(--text);font-size:13px}.quick-stat-row-value{color:var(--text-bright);font-size:14px;font-weight:600}.quick-stat-section{border-top:1px solid var(--border);margin-top:16px;padding-top:16px}.quick-stat-section-title{color:var(--text);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px;font-size:11px;display:block}.quick-stat-highlight{color:var(--accent-bright);font-size:15px;font-weight:600;display:block}.quick-stat-sub{color:var(--text);font-size:12px}.quick-stats-link{border-top:1px solid var(--border);text-align:center;color:var(--accent-bright);margin-top:20px;padding-top:16px;font-size:13px;font-weight:500;text-decoration:none;transition:color .2s;display:block}.quick-stats-link:hover{color:var(--accent)}.search-page h1,.shelf-page h1,.stats-page h1{color:var(--text-bright);letter-spacing:-.5px;margin-bottom:24px;font-size:32px;font-weight:700}.search-form{margin-bottom:32px}.search-type-tabs,.shelf-filters{flex-wrap:wrap;gap:8px;margin-bottom:16px;display:flex}.tab{background:var(--bg-card);border:1px solid var(--border);color:var(--text);border-radius:var(--radius-sm);cursor:pointer;font-family:var(--font);padding:8px 20px;font-size:14px;font-weight:500;transition:all .2s}.tab:hover{border-color:var(--accent);color:var(--text-bright)}.tab.active{background:var(--accent-bg);border-color:var(--accent);color:var(--accent-bright)}.search-input-group{gap:12px;display:flex}.search-input{background:var(--bg-input);border:1px solid var(--border);color:var(--text-bright);border-radius:var(--radius-sm);font-family:var(--font);outline:none;flex:1;padding:12px 20px;font-size:16px;transition:border-color .2s}.search-input:focus{border-color:var(--accent)}.search-input::placeholder{color:var(--text);opacity:.5}.btn-search{background:var(--accent);color:#fff;border-radius:var(--radius-sm);font-family:var(--font);cursor:pointer;white-space:nowrap;border:none;padding:12px 28px;font-size:16px;font-weight:600;transition:all .2s}.btn-search:hover{background:var(--accent-bright)}.btn-search:disabled{opacity:.5;cursor:not-allowed}.search-results,.shelf-books{flex-direction:column;gap:16px;display:flex}.book-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);gap:20px;padding:20px;transition:all .2s;display:flex}.book-card:hover{border-color:var(--accent);background:var(--bg-card-hover)}.book-cover{flex-shrink:0;width:80px;height:120px}.book-cover img{object-fit:cover;border-radius:4px;width:100%;height:100%}.book-cover-placeholder{background:var(--accent-bg);border:1px solid var(--accent);width:100%;height:100%;color:var(--accent-bright);border-radius:4px;justify-content:center;align-items:center;font-size:28px;font-weight:700;display:flex}.book-info{text-align:left;flex:1}.book-title{color:var(--text-bright);margin-bottom:4px;font-size:18px;font-weight:600}.book-authors{color:var(--accent-bright);margin-bottom:8px;font-size:14px}.book-pages,.book-isbn{color:var(--text);margin-bottom:2px;font-size:13px}.book-actions{margin-top:12px}.add-buttons{flex-wrap:wrap;gap:8px;display:flex}.btn-add{border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;font-family:var(--font);padding:6px 14px;font-size:13px;font-weight:500;transition:all .2s}.btn-add.want{background:var(--blue-bg);color:var(--blue);border-color:var(--blue)}.btn-add.reading{background:var(--orange-bg);color:var(--orange);border-color:var(--orange)}.btn-add.read{background:var(--green-bg);color:var(--green);border-color:var(--green)}.btn-add:hover{transform:translateY(-1px)}.added-actions{align-items:center;gap:8px;display:flex}.status-badge{appearance:none;border-radius:var(--radius-sm);font-family:var(--font);cursor:pointer;outline:none;padding:6px 14px;font-size:13px;font-weight:600;transition:all .2s}.status-badge.want{background:var(--blue-bg);color:var(--blue);border:1px solid var(--blue)}.status-badge.reading{background:var(--orange-bg);color:var(--orange);border:1px solid var(--orange)}.status-badge.read{background:var(--green-bg);color:var(--green);border:1px solid var(--green)}.btn-undo{border:1px solid var(--border);color:var(--text);border-radius:var(--radius-sm);font-family:var(--font);cursor:pointer;background:0 0;padding:6px 10px;font-size:12px;transition:all .2s}.btn-undo:hover{border-color:var(--red);color:var(--red)}.adding-badge{color:var(--text);padding:6px 14px;font-size:13px;display:inline-block}.no-results{text-align:center;color:var(--text);padding:48px 24px}.results-count{color:var(--text);margin-bottom:16px;font-size:14px}.btn-see-all{background:var(--accent-bg);border:1px dashed var(--accent);width:100%;color:var(--accent-bright);border-radius:var(--radius);font-family:var(--font);cursor:pointer;margin-top:8px;padding:16px;font-size:15px;font-weight:600;transition:all .2s;display:block}.btn-see-all:hover{background:var(--accent);color:#fff;border-style:solid}.btn-load-more{background:var(--bg-card);border:1px solid var(--border);width:100%;color:var(--text-bright);border-radius:var(--radius);font-family:var(--font);cursor:pointer;margin-top:8px;padding:14px;font-size:15px;font-weight:500;transition:all .2s;display:block}.btn-load-more:hover{border-color:var(--accent)}.btn-load-more:disabled{opacity:.5;cursor:not-allowed}.shelf-header{align-items:baseline;gap:16px;display:flex}.book-count{color:var(--text);background:var(--bg-card);border:1px solid var(--border);border-radius:20px;padding:4px 12px;font-size:14px}.shelf-section{margin-bottom:40px}.shelf-section h2{color:var(--text-bright);border-bottom:1px solid var(--border);margin-bottom:16px;padding-bottom:8px;font-size:20px;font-weight:600}.shelf-actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.status-select{background:var(--bg-input);border:1px solid var(--border);color:var(--text-bright);border-radius:var(--radius-sm);font-family:var(--font);cursor:pointer;padding:6px 12px;font-size:13px}.progress-input{align-items:center;gap:8px;font-size:13px;display:flex}.pages-input{background:var(--bg-input);border:1px solid var(--border);width:70px;color:var(--text-bright);border-radius:var(--radius-sm);font-family:var(--font);text-align:center;padding:6px 8px;font-size:13px}.progress-bar{background:var(--bg-input);border-radius:3px;width:100px;height:6px;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--accent), var(--green));border-radius:3px;height:100%;transition:width .3s}.btn-remove{border:1px solid var(--border);color:var(--text);border-radius:var(--radius-sm);cursor:pointer;font-family:var(--font);background:0 0;padding:6px 12px;font-size:12px;transition:all .2s}.btn-remove:hover{border-color:var(--red);color:var(--red)}.empty-shelf,.empty-stats{text-align:center;padding:64px 24px}.btn-primary{background:var(--accent);color:#fff;border-radius:var(--radius-sm);margin-top:16px;padding:12px 28px;font-weight:600;text-decoration:none;transition:all .2s;display:inline-block}.btn-primary:hover{background:var(--accent-bright)}.stats-overview{grid-template-columns:auto 1fr;gap:24px;margin-bottom:40px;display:grid}.stats-ring-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;align-items:center;gap:16px;padding:24px;display:flex}.ring-chart{width:140px;height:140px;position:relative}.ring-svg{width:100%;height:100%;transform:rotate(-90deg)}.ring-bg{fill:none;stroke:var(--border);stroke-width:10px}.ring-fill{fill:none;stroke-width:10px;stroke-linecap:round;transition:stroke-dasharray .5s}.ring-read{stroke:var(--green)}.ring-reading{stroke:var(--orange)}.ring-center{flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.ring-number{color:var(--text-bright);font-size:32px;font-weight:700;line-height:1}.ring-label{color:var(--text);font-size:12px}.ring-legend{flex-direction:column;gap:6px;display:flex}.legend-item{color:var(--text);align-items:center;gap:8px;font-size:13px;display:flex}.legend-dot{border-radius:50%;flex-shrink:0;width:10px;height:10px}.legend-dot.read{background:var(--green)}.legend-dot.reading{background:var(--orange)}.legend-dot.want{background:var(--blue)}.stats-numbers{grid-template-columns:1fr 1fr;gap:16px;display:grid}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);text-align:center;padding:24px}.stat-card.highlight{border-color:var(--accent);background:var(--accent-bg)}.stat-number{color:var(--text-bright);letter-spacing:-1px;font-size:32px;font-weight:700;display:block}.stat-label{color:var(--text);margin-top:4px;font-size:13px}.stats-section{margin-bottom:40px}.stats-section h2{color:var(--text-bright);margin-bottom:20px;font-size:20px;font-weight:600}.stats-two-col{grid-template-columns:1fr 1fr;gap:24px;display:grid}.chart-bar{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);align-items:flex-end;gap:8px;height:200px;padding:16px;display:flex}.bar-item{flex-direction:column;flex:1;align-items:center;height:100%;display:flex}.bar-fill-wrapper{flex:1;justify-content:center;align-items:flex-end;width:100%;display:flex}.bar-fill{background:linear-gradient(180deg, var(--accent-bright), var(--accent));border-radius:4px 4px 0 0;justify-content:center;align-items:flex-start;width:100%;max-width:40px;min-height:4px;padding-top:4px;display:flex}.bar-value{color:#fff;font-size:11px;font-weight:600}.bar-label{color:var(--text);white-space:nowrap;margin-top:8px;font-size:11px}.top-list{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:10px;padding:20px;display:flex}.list-row{align-items:center;gap:10px;display:flex}.list-rank{color:var(--text);flex-shrink:0;width:24px;font-size:12px;font-weight:600}.list-name{color:var(--text-bright);text-overflow:ellipsis;white-space:nowrap;flex-shrink:0;width:120px;font-size:14px;overflow:hidden}.list-bar-wrapper{background:var(--bg-input);border-radius:4px;flex:1;height:8px;overflow:hidden}.list-bar{border-radius:4px;height:100%;transition:width .5s}.list-bar.author{background:linear-gradient(90deg, var(--accent), var(--accent-bright))}.list-bar.genre{background:linear-gradient(90deg, var(--green), var(--blue))}.list-count{color:var(--text);text-align:right;flex-shrink:0;width:24px;font-size:13px;font-weight:600}.book-categories{flex-wrap:wrap;gap:6px;margin-top:8px;display:flex}.category-tag{background:var(--accent-bg);color:var(--accent-bright);border-radius:12px;padding:2px 10px;font-size:11px;font-weight:500}.rating-input{gap:2px;display:flex}.star{color:var(--border);cursor:pointer;background:0 0;border:none;padding:0 2px;font-size:20px;transition:color .2s}.star.filled,.star:hover{color:var(--orange)}.profile-page{justify-content:center;padding-top:40px;display:flex}.profile-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);text-align:center;width:100%;max-width:480px;padding:48px}.profile-avatar{border:3px solid var(--accent);border-radius:50%;width:96px;height:96px;margin-bottom:20px}.profile-name{color:var(--text-bright);margin-bottom:4px;font-size:28px;font-weight:700}.profile-email{color:var(--text);margin-bottom:24px;font-size:14px}.profile-stats{border-top:1px solid var(--border);border-bottom:1px solid var(--border);justify-content:center;gap:32px;margin-bottom:24px;padding:24px 0;display:flex}.profile-stat{text-align:center}.profile-stat-number{color:var(--text-bright);font-size:24px;font-weight:700;display:block}.profile-stat-label{color:var(--text);font-size:13px}.member-since{color:var(--text);margin-bottom:24px;font-size:14px}.btn-sign-out-large{border:1px solid var(--red);color:var(--red);border-radius:var(--radius-sm);cursor:pointer;font-family:var(--font);background:0 0;padding:10px 28px;font-size:15px;font-weight:500;transition:all .2s}.btn-sign-out-large:hover{background:var(--red-bg)}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.toast-container{z-index:1000;pointer-events:none;flex-direction:column;gap:8px;display:flex;position:fixed;bottom:24px;right:24px}.toast{border-radius:var(--radius-sm);font-family:var(--font);pointer-events:auto;align-items:center;gap:10px;padding:12px 20px;font-size:14px;font-weight:500;animation:.25s toastIn,.25s 2.75s forwards toastOut;display:flex;box-shadow:0 4px 20px #0006}.toast-icon{font-size:16px;font-weight:700}.toast-success{background:var(--green);color:#000}.toast-error{background:var(--red);color:#fff}.toast-info{background:var(--bg-card);color:var(--text-bright);border:1px solid var(--border)}@keyframes toastIn{0%{opacity:0;transform:translateY(16px)scale(.95)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes toastOut{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-8px)}}.quick-stats-loading{text-align:center;color:var(--text);padding:24px;font-size:13px}@media (width<=900px){.home-layout{grid-template-columns:1fr}.quick-stats{order:1;position:static}.filter-buttons{-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:4px;overflow-x:auto}.filter-buttons::-webkit-scrollbar{display:none}.filter-btn{flex-shrink:0;padding:10px 20px;font-size:14px}.chip{padding:8px 14px}.chip-remove{padding:0 4px;font-size:20px}.chip-edit-input{width:140px}}@media (width<=768px){.navbar{padding:12px 16px}.navbar-links{background:var(--bg);border-top:1px solid var(--border);padding:8px 0;padding-bottom:max(8px, env(safe-area-inset-bottom));z-index:100;justify-content:space-around;gap:0;display:flex;position:fixed;bottom:0;left:0;right:0}.navbar-links a{background:0 0;border-radius:0;flex-direction:column;gap:2px;padding:6px 12px;font-size:10px}.navbar-links a.active{background:0 0}.nav-icon{font-size:20px;line-height:1;display:block}.nav-text{font-size:10px}.navbar-user{display:none}.main-content{padding:16px 16px 80px}.toast-container{bottom:80px;left:16px;right:16px}.search-input-group{flex-direction:column}.stats-overview{grid-template-columns:1fr}.stats-ring-card{flex-direction:row;justify-content:center}.stats-two-col{grid-template-columns:1fr}.book-card{text-align:center;flex-direction:column;align-items:center}.book-info{text-align:center}.shelf-actions,.add-buttons{justify-content:center}.author-name{width:100px;font-size:12px}.chart-bar{height:150px}.profile-stats{gap:20px}}@media (width<=480px){.stats-ring-card{flex-direction:column}.stats-numbers{grid-template-columns:1fr 1fr}.list-name{width:80px;font-size:12px}.profile-card{padding:32px 24px}}