*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--blue:#2563eb;--blue-dark:#1d4ed8;--blue-light:#dbeafe;--blue-bg:#eff6ff;--purple:#7c3aed;--purple-light:#f5f3ff;--red:#b91c1c;--red-light:#fee2e2;--gray-50:#f8fafc;--gray-100:#f1f5f9;--gray-200:#e2e8f0;--gray-400:#94a3b8;--gray-500:#64748b;--gray-700:#334155;--gray-800:#1e293b;--gray-900:#0f172a;--white:#fff;--bg:#f4f7fb;--nav-h:68px;--safe-bottom:env(safe-area-inset-bottom,0px);color:var(--gray-800);background:var(--bg);-webkit-font-smoothing:antialiased;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:16px}body{background:var(--bg)}button{cursor:pointer;background:0 0;border:none;font-family:inherit}.app{background:var(--bg);flex-direction:column;max-width:480px;height:100svh;margin:0 auto;display:flex;position:relative}.content{-webkit-overflow-scrolling:touch;padding-bottom:calc(var(--nav-h) + var(--safe-bottom));flex:1;overflow-y:auto}.bottom-nav{width:100%;max-width:480px;height:calc(var(--nav-h) + var(--safe-bottom));padding-bottom:var(--safe-bottom);background:var(--white);border-top:1px solid var(--gray-200);z-index:100;justify-content:space-around;align-items:flex-start;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.nav-item{color:var(--gray-400);flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;padding-top:10px;transition:color .15s;display:flex}.nav-item.active{color:var(--blue)}.nav-icon{font-size:22px;line-height:1}.nav-label{font-size:11px;font-weight:600}.screen{min-height:100%;padding:20px 16px 24px}.screen.centered{justify-content:center;align-items:center;display:flex}.page-title{color:var(--gray-900);font-size:26px;font-weight:800}.page-subtitle{color:var(--gray-500);margin-top:4px;margin-bottom:16px;font-size:14px}.scanner-camera{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:32px;min-height:100%;padding:32px 24px;display:flex}.scanner-hero{flex-direction:column;align-items:center;gap:12px;display:flex}.scanner-icon{font-size:56px;line-height:1}.scanner-title{color:var(--gray-900);font-size:28px;font-weight:800}.scanner-subtitle{color:var(--gray-500);max-width:280px;font-size:15px;line-height:1.5}.lang-pills{align-items:center;gap:8px;margin-top:4px;display:flex}.lang-pill{background:var(--blue-bg);color:var(--blue-dark);border-radius:999px;padding:4px 12px;font-size:13px;font-weight:700}.lang-pill.accent{background:var(--blue-light)}.lang-arrow{color:var(--gray-400);font-size:16px}.scanner-actions{flex-direction:column;gap:12px;width:100%;max-width:320px;display:flex}.btn-primary{background:var(--blue);color:var(--white);border-radius:14px;justify-content:center;align-items:center;gap:6px;padding:14px 20px;font-size:15px;font-weight:800;transition:background .15s;display:inline-flex}.btn-primary:active{background:var(--blue-dark)}.btn-primary.large{padding:16px 20px;font-size:16px}.btn-primary.full-width{width:100%}.btn-secondary{background:var(--blue-bg);color:var(--blue-dark);border:1px solid var(--blue-light);border-radius:14px;justify-content:center;align-items:center;gap:6px;padding:14px 20px;font-size:15px;font-weight:700;display:inline-flex}.btn-secondary.large{padding:16px 20px;font-size:16px}.btn-secondary.small{border-radius:10px;padding:8px 14px;font-size:13px}.icon-btn{background:var(--gray-100);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-size:16px;display:flex}.icon-btn.small{width:28px;height:28px;font-size:13px}.icon-btn.danger{background:var(--red-light)}.action-row{gap:10px;margin-top:16px;display:flex}.action-row .btn-secondary,.action-row .btn-primary{flex:1}.preview-card{background:var(--gray-900);border-radius:18px;min-height:180px;max-height:52vw;overflow:hidden;box-shadow:0 8px 24px #0f172a1f}.preview-img{object-fit:cover;width:100%;height:100%;max-height:260px;display:block}.loading-card{background:var(--white);border-radius:16px;flex-direction:column;align-items:center;gap:10px;margin-top:16px;padding:20px;display:flex;box-shadow:0 4px 12px #0f172a12}.loading-card p{color:var(--blue);font-size:14px;font-weight:700}.progress-bar-wrap{background:var(--blue-light);border-radius:99px;width:100%;height:10px;overflow:hidden}.progress-bar-fill{background:var(--blue);border-radius:99px;height:100%;transition:width .5s}.progress-pct{color:var(--blue);font-size:20px;font-weight:800}.progress-label{color:var(--gray-500);font-size:13px;font-weight:500}.spinner{border:3px solid var(--blue-light);border-top-color:var(--blue);border-radius:50%;width:32px;height:32px;animation:.7s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.error-box{background:var(--red-light);color:var(--red);border-radius:12px;margin-top:12px;padding:12px;font-size:13px;line-height:1.5}.empty-box{background:var(--white);color:var(--gray-500);text-align:center;border-radius:14px;margin-top:16px;padding:16px;font-size:14px}.empty-state{text-align:center;flex-direction:column;align-items:center;gap:8px;display:flex}.empty-icon{font-size:48px}.empty-state p{color:var(--gray-700);font-size:16px;font-weight:600}.empty-state .muted{color:var(--gray-400);font-size:13px;font-weight:400}.words-list{flex-direction:column;gap:10px;display:flex}.word-card{background:var(--white);border-radius:16px;padding:14px;box-shadow:0 4px 12px #0f172a0f}.word-card-header{justify-content:space-between;align-items:flex-start;display:flex}.word-title-row{align-items:center;gap:10px;display:flex}.number-badge{background:var(--blue-light);width:28px;height:28px;color:var(--blue-dark);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:13px;font-weight:800;display:flex}.number-badge.muted{background:var(--gray-100);color:var(--gray-500)}.word-text{color:var(--blue-dark);font-size:18px;font-weight:800}.pos-badge{color:var(--gray-500);text-transform:uppercase;letter-spacing:.5px;margin-left:6px;font-size:11px;font-weight:700;display:inline-block}.translation-text{color:var(--gray-800);margin-top:8px;font-size:15px}.grammar-box{background:var(--purple-light);border-radius:10px;align-items:flex-start;gap:6px;margin-top:8px;padding:10px;display:flex}.grammar-icon{flex-shrink:0;margin-top:1px;font-size:13px}.grammar-text{color:var(--purple);font-size:13px;line-height:1.5}.example-row{justify-content:space-between;align-items:flex-start;gap:8px;margin-top:8px;display:flex}.example-text{color:var(--gray-500);flex:1;font-size:13px;font-style:italic;line-height:1.5}.records-list{flex-direction:column;gap:10px;display:flex}.record-card{background:var(--white);border-radius:16px;overflow:hidden;box-shadow:0 4px 12px #0f172a0f}.record-header{cursor:pointer;justify-content:space-between;align-items:center;gap:8px;padding:14px;display:flex}.record-meta{align-items:center;gap:12px;display:flex}.record-thumb{object-fit:cover;border-radius:8px;width:48px;height:48px}.record-date{color:var(--gray-800);align-items:center;gap:6px;font-size:13px;font-weight:700;display:flex}.page-badge{background:var(--blue-light);color:var(--blue);border-radius:99px;flex-shrink:0;padding:1px 7px;font-size:11px;font-weight:700;display:inline-block}.record-count{color:var(--gray-500);margin-top:2px;font-size:12px}.record-actions{align-items:center;gap:8px;display:flex}.chevron{color:var(--gray-400);font-size:12px}.record-words{flex-direction:column;gap:10px;padding:0 14px 14px;display:flex}.settings-card{background:var(--white);border-radius:18px;margin-bottom:14px;padding:16px;box-shadow:0 4px 12px #0f172a0f}.settings-card-header{align-items:flex-start;gap:12px;margin-bottom:14px;display:flex}.settings-icon{font-size:24px}.settings-label{color:var(--gray-900);font-size:16px;font-weight:800}.settings-desc{color:var(--gray-500);margin-top:2px;font-size:13px;line-height:1.4}.input-wrap{border:1px solid var(--gray-200);background:var(--gray-50);border-radius:12px;align-items:center;display:flex;overflow:hidden}.text-input{color:var(--gray-900);background:0 0;border:none;outline:none;flex:1;padding:12px;font-family:inherit;font-size:14px}.select-label{color:var(--gray-500);margin-top:14px;margin-bottom:4px;font-size:13px;font-weight:700;display:block}.select-input{border:1px solid var(--gray-200);background:var(--gray-50);width:100%;color:var(--gray-900);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='%2394a3b8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;border-radius:12px;outline:none;padding:10px 32px 10px 12px;font-family:inherit;font-size:14px}.login-screen{background:var(--bg);justify-content:center;align-items:center;min-height:100svh;padding:24px;display:flex}.login-card{background:var(--white);text-align:center;border-radius:24px;flex-direction:column;align-items:center;gap:16px;width:100%;max-width:360px;padding:32px 24px;display:flex;box-shadow:0 8px 32px #0f172a1a}.login-icon{font-size:52px;line-height:1}.login-title{color:var(--gray-900);margin:0;font-size:28px;font-weight:800}.login-subtitle{color:var(--gray-500);margin:0;font-size:14px;line-height:1.6}.login-note{color:var(--gray-400);margin:0;font-size:12px;line-height:1.5}.app.centered{justify-content:center;align-items:center;height:100svh;display:flex}.quota-badge{color:var(--gray-500);background:var(--gray-100);border-radius:999px;margin-top:6px;padding:3px 10px;font-size:12px;font-weight:600}.btn-google{border:1px solid var(--gray-200);background:var(--white);width:100%;color:var(--gray-800);cursor:pointer;border-radius:12px;justify-content:center;align-items:center;gap:10px;padding:12px;font-size:14px;font-weight:700;display:flex}.btn-google:active{background:var(--gray-50)}.btn-google.large{padding:14px;font-size:15px}.collection-picker{margin:14px 0}.collection-picker-label{color:var(--gray-500);margin-bottom:8px;font-size:13px;font-weight:700}.collection-chips{flex-wrap:wrap;gap:8px;display:flex}.chip{cursor:pointer;background:var(--gray-100);color:var(--gray-700);border:1px solid #0000;border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;transition:all .15s}.chip.active{background:var(--blue-bg);color:var(--blue-dark);border-color:var(--blue-light)}.chip.add-chip{border:1px dashed var(--gray-300);color:var(--gray-500);background:0 0}.collection-add-row{align-items:center;gap:8px;margin-top:10px;display:flex}.collection-add-row .text-input{border:1px solid var(--gray-200);border-radius:10px;outline:none;flex:1;padding:10px 12px;font-family:inherit;font-size:14px}.btn-primary.small{border-radius:10px;padding:8px 14px;font-size:13px}.collections-grid{grid-template-columns:1fr 1fr;gap:10px;margin-top:4px;display:grid}.collection-card{background:var(--white);cursor:pointer;border-radius:16px;padding:14px;transition:transform .1s;box-shadow:0 4px 12px #0f172a0f}.collection-card:active{transform:scale(.98)}.collection-card-top{justify-content:space-between;align-items:flex-start;margin-bottom:8px;display:flex}.collection-icon{font-size:28px;line-height:1}.collection-name{color:var(--gray-900);font-size:14px;font-weight:700;line-height:1.3}.collection-count{color:var(--gray-500);margin-top:4px;font-size:12px}.back-btn{color:var(--blue);cursor:pointer;background:0 0;border:none;padding:0;font-size:14px;font-weight:700}.btn-google:disabled{opacity:.6;cursor:not-allowed}.spinner.small{border-width:2px;width:18px;height:18px}.avatar{object-fit:cover;border-radius:50%;flex-shrink:0;width:40px;height:40px}.result-tabs-container{margin-top:12px}.result-tabs{gap:6px;margin-bottom:14px;display:flex}.result-tab{background:var(--gray-100);color:var(--gray-500);border-radius:12px;flex:1;justify-content:center;align-items:center;gap:6px;padding:10px;font-size:14px;font-weight:700;transition:all .15s;display:flex}.result-tab.active{background:var(--blue);color:var(--white)}.tab-count{color:inherit;background:#ffffff4d;border-radius:999px;padding:1px 7px;font-size:11px}.article-toolbar{justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px;display:flex}.btn-read-all{background:var(--blue);color:var(--white);cursor:pointer;border-radius:12px;align-items:center;gap:7px;padding:10px 16px;font-size:14px;font-weight:700;transition:background .15s;display:flex}.btn-read-all.playing{background:var(--gray-700)}.btn-read-all:active{opacity:.85}.article-lang-badge{color:var(--gray-500);background:var(--gray-100);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:700}.article-body{background:var(--white);border-radius:16px;flex-direction:column;gap:12px;padding:16px;display:flex;box-shadow:0 4px 12px #0f172a0f}.article-para{color:var(--gray-800);cursor:pointer;border-radius:8px;padding:6px;font-size:15px;line-height:1.75;transition:background .15s}.article-para:hover{background:var(--gray-50)}.article-para.highlighted{background:var(--blue-bg);color:var(--blue-dark)}.results-header-row{justify-content:space-between;align-items:flex-start;margin-bottom:4px;display:flex}.sync-badge{color:var(--blue);background:var(--blue-bg);border-radius:999px;margin-left:8px;padding:2px 8px;font-size:12px;font-weight:600}