:root{--cream: #faf8f4;--cream-dark: #f2ede5;--cream-border: #e4dcd0;--navy: #1a2744;--navy-mid: #2d3f6b;--amber: #c8813a;--amber-light: #e8a24a;--amber-pale: #fdf3e7;--forest: #3d6b52;--rose: #b05050;--text: #2a1f14;--text-mid: #6b5f52;--text-light: #a08d7a;--white: #ffffff;--shadow-xs: 0 1px 2px rgba(26,39,68,.05);--shadow-sm: 0 1px 4px rgba(26,39,68,.08), 0 1px 2px rgba(26,39,68,.04);--shadow-md: 0 4px 12px rgba(26,39,68,.1), 0 2px 4px rgba(26,39,68,.06);--shadow-lg: 0 8px 28px rgba(26,39,68,.14), 0 4px 8px rgba(26,39,68,.08);--radius-sm: 6px;--radius: 12px;--radius-lg: 20px;--font-serif: "Playfair Display", Georgia, "Times New Roman", serif;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--nav-h: 60px;--bottom-nav-h: 64px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background-color:var(--cream);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.6}h1,h2,h3{font-family:var(--font-serif);line-height:1.25}a{color:var(--amber);text-decoration:none;transition:color .15s}a:hover{color:var(--amber-light)}.App{min-height:100vh;display:flex;flex-direction:column}.app-main{flex:1;padding-top:var(--nav-h);padding-bottom:calc(var(--bottom-nav-h) + env(safe-area-inset-bottom,0px))}@media (min-width: 768px){.app-main{padding-bottom:0}}.container{max-width:1200px;margin:0 auto;padding:1.5rem 1rem}@media (min-width: 768px){.container{padding:2rem}}.content{background:var(--white);border-radius:var(--radius);padding:1.5rem;box-shadow:var(--shadow-sm);border:1px solid var(--cream-border)}@media (min-width: 768px){.content{padding:2rem 2.5rem}}.content>h1:first-child,.content>h1.page-title{font-family:var(--font-serif);font-size:1.75rem;font-weight:700;color:var(--navy);margin-bottom:1.5rem;padding-bottom:.875rem;border-bottom:2px solid var(--cream-border)}@media (min-width: 768px){.content>h1:first-child,.content>h1.page-title{font-size:2.125rem}}.navbar{background:var(--navy);position:fixed;top:0;left:0;right:0;z-index:200;height:var(--nav-h);box-shadow:0 2px 12px #1a274440}.nav-container{max-width:1200px;margin:0 auto;height:100%;display:flex;justify-content:space-between;align-items:center;padding:0 1.25rem}.nav-brand{font-family:var(--font-serif);font-size:1.35rem;font-weight:700;color:var(--white);text-decoration:none;letter-spacing:-.01em;display:flex;align-items:center;gap:.5rem}.nav-brand-dot{color:var(--amber)}.nav-menu{display:none;align-items:center;gap:.15rem}@media (min-width: 768px){.nav-menu{display:flex}}.nav-link{color:#ffffffb8;text-decoration:none;font-size:.875rem;font-weight:500;padding:.4rem .75rem;border-radius:var(--radius-sm);transition:color .15s,background .15s}.nav-link:hover{color:var(--white);background:#ffffff1a}.nav-link.active{color:var(--amber-light);background:#c8813a1f}.nav-link-cta{background:var(--amber);color:var(--white)!important;padding:.4rem 1rem}.nav-link-cta:hover{background:var(--amber-light)!important;color:var(--white)}.nav-logout{background:none;border:none;cursor:pointer;color:#ffffffb8;font-size:.875rem;font-weight:500;padding:.4rem .75rem;border-radius:var(--radius-sm);transition:color .15s,background .15s;font-family:var(--font-sans)}.nav-logout:hover{color:var(--white);background:#ffffff1a;box-shadow:none;transform:none}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:calc(var(--bottom-nav-h) + env(safe-area-inset-bottom,0px));padding-bottom:env(safe-area-inset-bottom,0px);background:var(--white);border-top:1px solid var(--cream-border);display:flex;align-items:stretch;z-index:100;box-shadow:0 -2px 12px #1a274412}@media (min-width: 768px){.bottom-nav{display:none}}.bottom-nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:8px 4px 0;color:var(--text-light);text-decoration:none;transition:color .15s;-webkit-tap-highlight-color:transparent;position:relative}.bottom-nav-item svg{width:22px;height:22px;flex-shrink:0;transition:transform .15s}.bottom-nav-item span{font-family:var(--font-sans);font-size:.62rem;font-weight:500;letter-spacing:.01em}.bottom-nav-item.active{color:var(--amber)}.bottom-nav-item.active svg{transform:scale(1.08)}.bottom-nav-item.active:after{content:"";position:absolute;top:6px;width:4px;height:4px;background:var(--amber);border-radius:50%}button{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;background:var(--amber);color:var(--white);border:none;padding:.6rem 1.25rem;border-radius:var(--radius-sm);cursor:pointer;font-size:.9rem;font-weight:600;font-family:var(--font-sans);letter-spacing:.01em;transition:background .15s,box-shadow .15s,transform .1s;-webkit-tap-highlight-color:transparent;white-space:nowrap}button:hover{background:var(--amber-light);box-shadow:0 3px 10px #c8813a47}button:active{transform:scale(.97)}button:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}.btn-navy{background:var(--navy)!important}.btn-navy:hover{background:var(--navy-mid)!important;box-shadow:0 3px 10px #1a274440!important}.btn-danger{background:var(--rose)!important;color:var(--white)!important}.btn-danger:hover{background:#c05050!important;box-shadow:0 3px 10px #b0505040!important}.btn-ghost{background:transparent!important;color:var(--amber)!important;border:1.5px solid var(--amber)!important;box-shadow:none!important}.btn-ghost:hover{background:var(--amber-pale)!important}.btn-secondary{background:var(--cream-dark)!important;color:var(--text-mid)!important;box-shadow:none!important}.btn-secondary:hover{background:var(--cream-border)!important;box-shadow:none!important}.fab{position:fixed;bottom:calc(var(--bottom-nav-h) + 1.25rem);right:1.25rem;width:54px;height:54px;border-radius:50%;background:var(--amber);color:var(--white);font-size:1.6rem;line-height:1;border:none;box-shadow:0 4px 16px #c8813a73;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:50;padding:0;transition:transform .2s,box-shadow .2s}.fab:hover{transform:scale(1.06);box-shadow:0 6px 20px #c8813a80;background:var(--amber-light)}@media (min-width: 768px){.fab{display:none}}input[type=text],input[type=email],input[type=password],input[type=number],input[type=search],textarea,select{width:100%;padding:.65rem .875rem;border:1.5px solid var(--cream-border);border-radius:var(--radius-sm);font-size:.925rem;font-family:var(--font-sans);color:var(--text);background:var(--white);transition:border-color .2s,box-shadow .2s;-webkit-appearance:none;-moz-appearance:none;appearance:none}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px #c8813a1f}input::placeholder,textarea::placeholder{color:var(--text-light)}textarea{resize:vertical;min-height:80px;line-height:1.5}select{cursor:pointer;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='%23a08d7a' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .75rem center;padding-right:2.25rem}form{display:flex;flex-direction:column}.form-group{margin-bottom:1.25rem}.form-group label{display:block;margin-bottom:.4rem;font-size:.78rem;font-weight:700;color:var(--text-mid);text-transform:uppercase;letter-spacing:.06em}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.button-group{display:flex;gap:.75rem;flex-wrap:wrap}.button-group.end{justify-content:flex-end}.star-input{display:flex;gap:4px}.star-input button{background:none;border:none;padding:0;font-size:1.5rem;color:var(--cream-border);cursor:pointer;box-shadow:none;transition:color .1s,transform .1s;width:auto;height:auto}.star-input button.filled{color:var(--amber)}.star-input button:hover{transform:scale(1.2);box-shadow:none;background:none}.error{background:#fef2f2;border:1px solid #fecaca;color:#991b1b;padding:.875rem 1rem;border-radius:var(--radius-sm);margin-bottom:1rem;font-size:.9rem;font-weight:500}.success{background:#f0fdf4;border:1px solid #bbf7d0;color:#166534;padding:.875rem 1rem;border-radius:var(--radius-sm);margin-bottom:1rem;font-size:.9rem;font-weight:500}.loading{text-align:center;padding:4rem 2rem;color:var(--text-light);font-size:.95rem}.loading:before{content:"";display:block;width:32px;height:32px;border:3px solid var(--cream-border);border-top-color:var(--amber);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 1rem}@keyframes spin{to{transform:rotate(360deg)}}.card{background:var(--white);border-radius:var(--radius);border:1px solid var(--cream-border);box-shadow:var(--shadow-sm);overflow:hidden;transition:box-shadow .2s,transform .2s}.card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#1a27447a;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:flex;align-items:flex-end;justify-content:center;z-index:500;padding:0;animation:fadeIn .15s ease}@media (min-width: 768px){.modal-overlay{align-items:center;padding:1.5rem}}.modal{background:var(--white);border-radius:var(--radius-lg) var(--radius-lg) 0 0;padding:1.5rem;width:100%;max-width:540px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:slideUp .22s ease}@media (min-width: 768px){.modal{border-radius:var(--radius);animation:fadeIn .15s ease}}.modal-handle{width:40px;height:4px;background:var(--cream-border);border-radius:2px;margin:0 auto 1.25rem;display:block}@media (min-width: 768px){.modal-handle{display:none}}.modal h3{font-family:var(--font-serif);font-size:1.3rem;color:var(--navy);margin-bottom:1rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(40px);opacity:0}to{transform:translateY(0);opacity:1}}.tab-bar{display:flex;border-bottom:2px solid var(--cream-border);margin-bottom:1.5rem;gap:0;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.tab-bar::-webkit-scrollbar{display:none}.tab-btn{background:none;border:none;border-bottom:2px solid transparent;margin-bottom:-2px;padding:.6rem 1rem;color:var(--text-light);font-size:.875rem;font-weight:600;cursor:pointer;white-space:nowrap;border-radius:0;box-shadow:none;transition:color .15s,border-color .15s;letter-spacing:.01em}.tab-btn:hover{color:var(--text-mid);background:none;box-shadow:none;transform:none}.tab-btn.active{color:var(--amber);border-bottom-color:var(--amber)}.badge{display:inline-block;padding:.2rem .65rem;border-radius:20px;font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;background:var(--cream-dark);color:var(--text-mid)}.badge-amber{background:var(--amber-pale);color:var(--amber)}.badge-navy{background:#1a274414;color:var(--navy)}.badge-forest{background:#3d6b521a;color:var(--forest)}.stars{display:inline-flex;gap:2px;align-items:center}.star{color:var(--cream-border);font-size:.9rem;line-height:1;transition:color .1s}.star.filled{color:var(--amber)}.grid-2{display:grid;grid-template-columns:1fr;gap:1.25rem}@media (min-width: 600px){.grid-2{grid-template-columns:1fr 1fr}}.grid-3{display:grid;grid-template-columns:1fr;gap:1.25rem}@media (min-width: 600px){.grid-3{grid-template-columns:1fr 1fr}}@media (min-width: 900px){.grid-3{grid-template-columns:1fr 1fr 1fr}}.section-title{font-family:var(--font-serif);font-size:1.3rem;font-weight:600;color:var(--navy);margin-bottom:1rem;display:flex;align-items:center;gap:.6rem}.section-title:after{content:"";flex:1;height:1px;background:var(--cream-border)}.autocomplete-container{position:relative}.autocomplete-suggestions{position:absolute;top:calc(100% + 4px);left:0;right:0;background:var(--white);border:1.5px solid var(--cream-border);border-radius:var(--radius-sm);box-shadow:var(--shadow-md);max-height:320px;overflow-y:auto;z-index:1000}.auth-wrapper{min-height:calc(100vh - var(--nav-h));display:flex;align-items:center;justify-content:center;padding:2rem 1rem;background:linear-gradient(145deg,var(--cream) 0%,var(--cream-dark) 100%)}.auth-card{background:var(--white);border-radius:var(--radius-lg);padding:2.5rem 2rem;width:100%;max-width:420px;box-shadow:var(--shadow-lg);border:1px solid var(--cream-border)}.auth-card h1{font-family:var(--font-serif);font-size:2rem;color:var(--navy);margin-bottom:.25rem}.auth-subtitle{color:var(--text-light);font-size:.9rem;margin-bottom:2rem}.empty-state{text-align:center;padding:4rem 2rem;color:var(--text-light)}.empty-state-icon{font-size:3rem;margin-bottom:1rem;opacity:.5}.empty-state h3{font-family:var(--font-serif);font-size:1.3rem;color:var(--text-mid);margin-bottom:.5rem}.empty-state p{font-size:.9rem;max-width:300px;margin:0 auto 1.5rem}.stat-card{background:var(--white);border-radius:var(--radius);border:1px solid var(--cream-border);padding:1.25rem;text-align:center;box-shadow:var(--shadow-xs);transition:box-shadow .2s}.stat-card:hover{box-shadow:var(--shadow-sm)}.stat-card-value{font-family:var(--font-serif);font-size:2.25rem;font-weight:700;line-height:1;margin-bottom:.25rem}.stat-card-label{font-size:.78rem;font-weight:600;color:var(--text-light);text-transform:uppercase;letter-spacing:.06em}.stat-card-sub{font-size:.75rem;color:var(--text-light);margin-top:.25rem}.chart-card{background:var(--white);border-radius:var(--radius);border:1px solid var(--cream-border);padding:1.5rem;box-shadow:var(--shadow-xs)}.chart-card h3{font-family:var(--font-serif);font-size:1.15rem;color:var(--navy);margin-bottom:1.25rem}.book-card{background:var(--white);border-radius:var(--radius);border:1px solid var(--cream-border);box-shadow:var(--shadow-xs);overflow:hidden;display:flex;transition:box-shadow .2s,transform .2s}.book-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.book-spine{width:5px;flex-shrink:0}.book-body{flex:1;padding:1.25rem;display:flex;flex-direction:column}.book-genre-tag{display:inline-block;font-size:.68rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:.2rem .6rem;border-radius:20px;background:var(--cream-dark);color:var(--text-mid);margin-bottom:.6rem}.book-title{font-family:var(--font-serif);font-size:1.05rem;font-weight:600;color:var(--text);line-height:1.3;margin-bottom:.2rem}.book-author{font-size:.85rem;color:var(--text-mid);margin-bottom:.75rem}.book-meta{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem}.book-meta-item{font-size:.78rem;color:var(--text-light)}.book-review{font-size:.83rem;color:var(--text-mid);font-style:italic;line-height:1.5;border-left:3px solid var(--cream-dark);padding-left:.75rem;margin-bottom:.875rem}.book-actions{display:flex;gap:.5rem;margin-top:auto;padding-top:.5rem;border-top:1px solid var(--cream-border)}.book-actions button{flex:1;padding:.4rem .5rem;font-size:.8rem;border-radius:var(--radius-sm)}.btn-add-desktop{display:none!important}@media (min-width: 768px){.btn-add-desktop{display:inline-flex!important}}.divider{height:1px;background:var(--cream-border);margin:1.5rem 0}.text-muted{color:var(--text-light);font-size:.875rem}.text-center{text-align:center}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}