:root{color-scheme:light;--bg-primary: #f5f2e9;--bg-secondary: #efeee5;--bg-card: #fbfaf5;--bg-card-hover: #e7e9dd;--border-color: #c9cbbf;--border-subtle: #dddfd3;--control-border: #898d7f;--text-primary: #292e26;--text-secondary: #62665b;--text-muted: #66685e;--accent-cyan: #47533c;--accent-blue: #47533c;--accent-blue-hover: #34402b;--accent-green: #346044;--accent-amber: #825319;--accent-rose: #9b3d37;--on-accent: #ffffff;--brand-tint: #e7e9dd;--success-tint: #e8eee3;--warning-tint: #f2e9d8;--error-tint: #f4e6e0;--font-family: "Segoe UI", Arial, sans-serif;--font-display: Georgia, "Times New Roman", serif;--font-mono: ui-monospace, Menlo, Consolas, monospace}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-primary);color:var(--text-primary);font-family:var(--font-family);line-height:1.5;min-height:100vh;-webkit-font-smoothing:antialiased}:focus-visible{outline:2px solid var(--accent-cyan);outline-offset:2px}.text-center{text-align:center}.text-cyan{color:var(--accent-cyan)}.text-green{color:var(--accent-green)}.text-muted{color:var(--text-muted)}.text-highlight{color:var(--accent-cyan)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:inherit;font-weight:600;font-size:.9rem;padding:.65rem 1.25rem;border-radius:8px;border:none;cursor:pointer;transition:all .15s ease;text-decoration:none;line-height:1.2}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--accent-blue);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--accent-blue-hover)}.btn-outline{background-color:transparent;color:var(--text-primary);border:1px solid var(--border-color)}.btn-outline:hover:not(:disabled){background-color:var(--bg-card-hover);border-color:var(--text-muted)}.btn-subtle{background-color:transparent;color:var(--text-secondary);border:1px solid transparent}.btn-subtle:hover:not(:disabled){color:var(--text-primary);background-color:var(--bg-card-hover)}.btn-danger-subtle{background-color:var(--error-tint);color:var(--accent-rose);border:1px solid var(--error-tint)}.btn-danger-subtle:hover:not(:disabled){background-color:var(--error-tint)}.btn-large{padding:.85rem 1.75rem;font-size:1rem}.btn-small{padding:.4rem .8rem;font-size:.82rem;border-radius:6px}.btn-block{width:100%}.btn-icon-subtle{background:transparent;border:none;color:var(--text-secondary);cursor:pointer;padding:.5rem;border-radius:6px;display:inline-flex;align-items:center;justify-content:center}.btn-icon-subtle:hover{color:var(--text-primary);background:var(--bg-card-hover)}.card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;padding:1.5rem}.card-accent{border-color:var(--brand-tint);background:var(--bg-secondary)}.card-hover{cursor:pointer;transition:all .2s ease}.card-hover:hover{background-color:var(--bg-card);border-color:var(--accent-cyan);transform:translateY(-1px)}button.clickable-card{display:block;width:100%;text-align:left;font-family:inherit;color:inherit;margin:0}button.clickable-card:focus-visible{outline:2px solid var(--accent-cyan);outline-offset:2px}.card-active{border-color:var(--accent-cyan);background-color:var(--brand-tint)}.card-title{font-size:1.15rem;font-weight:600;color:var(--text-primary);margin-bottom:.4rem}.card-subtitle{font-size:.85rem;color:var(--text-secondary)}.card-text{font-size:.9rem;color:var(--text-secondary);line-height:1.6}.card-btn-row{display:flex;justify-content:space-between;align-items:center;margin-top:1.5rem;gap:1rem}.badge{display:inline-flex;align-items:center;gap:.3rem;font-size:.75rem;font-weight:600;padding:.2rem .6rem;border-radius:9999px;letter-spacing:.025em}.badge-success{background-color:var(--success-tint);color:var(--accent-green);border:1px solid var(--success-tint)}.badge-warning{background-color:var(--warning-tint);color:var(--accent-amber);border:1px solid var(--warning-tint)}.badge-error{background-color:var(--error-tint);color:var(--accent-rose);border:1px solid var(--error-tint)}.badge-info{background-color:var(--brand-tint);color:var(--accent-cyan);border:1px solid var(--brand-tint)}.badge-neutral{background-color:var(--bg-secondary);color:var(--text-secondary);border:1px solid var(--bg-secondary)}.alert{display:flex;gap:.75rem;padding:1rem;border-radius:8px;font-size:.875rem;line-height:1.5}.alert-icon{flex-shrink:0;margin-top:2px}.alert-content{flex:1}.alert-success{background-color:var(--success-tint);border:1px solid var(--success-tint);color:var(--accent-green)}.alert-warning{background-color:var(--warning-tint);border:1px solid var(--warning-tint);color:var(--accent-amber)}.alert-error{background-color:var(--error-tint);border:1px solid var(--error-tint);color:var(--accent-rose)}.alert-info{background-color:var(--brand-tint);border:1px solid var(--brand-tint);color:var(--accent-cyan)}.form-group{display:flex;flex-direction:column;gap:.35rem}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.25rem}.input-label{font-size:.825rem;font-weight:500;color:var(--text-secondary)}.input-text{background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:8px;padding:.65rem .85rem;color:var(--text-primary);font-family:inherit;font-size:.875rem;width:100%;transition:border-color .15s ease}.input-text:focus{border-color:var(--accent-cyan);outline:none}.details-toggle-btn{background:none;border:none;color:var(--accent-cyan);cursor:pointer;display:inline-flex;align-items:center;gap:.35rem;font-size:.825rem;font-weight:500;padding:.2rem 0;font-family:inherit}.details-toggle-btn:hover{text-decoration:underline}.details-panel{background-color:var(--bg-primary);border:1px solid var(--border-color);border-radius:8px;padding:1rem;font-size:.85rem;color:var(--text-secondary);line-height:1.6}.storage-chip{display:inline-flex;align-items:center;gap:.35rem;font-size:.78rem;font-weight:500;padding:.3rem .65rem;border-radius:6px}.chip-success{background:var(--success-tint);color:var(--accent-green);border:1px solid var(--success-tint)}.chip-warning{background:var(--warning-tint);color:var(--accent-amber);border:1px solid var(--warning-tint)}.chip-error{background:var(--error-tint);color:var(--accent-rose);border:1px solid var(--error-tint)}.chip-info{background:var(--brand-tint);color:var(--accent-cyan);border:1px solid var(--brand-tint)}.chip-neutral{background:var(--bg-secondary);color:var(--text-secondary);border:1px solid var(--bg-secondary)}.chip-dot{width:6px;height:6px;border-radius:50%;background-color:var(--text-muted)}.status-dot{width:8px;height:8px;border-radius:50%;background-color:var(--accent-green);box-shadow:none}.spinner-mini{width:12px;height:12px;border:2px solid var(--brand-tint);border-top-color:var(--accent-cyan);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.animate-spin{animation:spin 1s linear infinite}.icon-badge{width:44px;height:44px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.icon-badge-cyan{background:var(--brand-tint);color:var(--accent-cyan);border:1px solid var(--brand-tint)}.icon-badge-green{background:var(--success-tint);color:var(--accent-green);border:1px solid var(--success-tint)}.icon-badge-amber{background:var(--warning-tint);color:var(--accent-amber);border:1px solid var(--warning-tint)}.view-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}.view-title{font-size:1.45rem;font-weight:700;color:var(--text-primary);letter-spacing:-.015em}.view-subtitle{font-size:.9rem;color:var(--text-secondary);margin-top:.2rem}.landing-wrapper{min-height:100vh;display:flex;flex-direction:column}.landing-container{max-width:1140px;margin:0 auto;padding:0 1.5rem;width:100%}.landing-nav{position:sticky;top:0;z-index:40;background-color:var(--bg-secondary);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);padding:.85rem 0}.landing-nav-inner{max-width:1140px;margin:0 auto;padding:0 1.5rem;display:flex;justify-content:space-between;align-items:center;gap:1.5rem}.landing-brand{display:flex;align-items:center;gap:.75rem}.brand-logo{width:36px;height:36px;flex-shrink:0}.landing-brand-name{font-size:1.35rem;font-weight:700;color:var(--text-primary);letter-spacing:-.025em}.landing-nav-links{display:flex;align-items:center;gap:1.75rem}.landing-nav-link{color:var(--text-secondary);text-decoration:none;font-size:.9rem;font-weight:500;transition:color .15s ease}.landing-nav-link:hover{color:var(--text-primary)}.landing-hero{padding:5rem 0 4rem;position:relative;background:var(--bg-secondary)}.hero-content{max-width:780px;margin:0 auto;text-align:center}.hero-tag{display:inline-flex;align-items:center;gap:.5rem;background:var(--brand-tint);border:1px solid var(--brand-tint);padding:.35rem .85rem;border-radius:9999px;color:var(--accent-cyan);font-size:.825rem;font-weight:600;margin-bottom:1.5rem}.hero-title{font-size:3.25rem;font-weight:800;letter-spacing:-.035em;line-height:1.15;color:var(--text-primary);margin-bottom:1.25rem}.hero-subtitle{font-size:1.2rem;color:var(--text-secondary);line-height:1.6;margin-bottom:2rem}.hero-actions{display:flex;justify-content:center;align-items:center;gap:1rem;flex-wrap:wrap}.landing-section{padding:4.5rem 0}.bg-secondary{background-color:var(--bg-secondary);border-top:1px solid var(--border-subtle);border-bottom:1px solid var(--border-subtle)}.section-header{text-align:center;max-width:680px;margin:0 auto 3rem}.section-title{font-size:1.85rem;font-weight:700;letter-spacing:-.02em;color:var(--text-primary);margin-bottom:.5rem}.section-subtitle{font-size:1rem;color:var(--text-secondary);line-height:1.6}.section-text{font-size:.95rem;color:var(--text-secondary);line-height:1.6}.promises-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1.5rem}.promise-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;padding:1.75rem}.promise-icon-box{width:48px;height:48px;border-radius:10px;background:var(--brand-tint);color:var(--accent-cyan);display:flex;align-items:center;justify-content:center;margin-bottom:1.25rem}.promise-title{font-size:1.15rem;font-weight:600;color:var(--text-primary);margin-bottom:.5rem}.promise-text{font-size:.88rem;color:var(--text-secondary);line-height:1.6}.privacy-box{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:14px;padding:2rem}.privacy-header{display:flex;gap:1rem;align-items:flex-start;margin-bottom:1.25rem}.privacy-icon{color:var(--accent-cyan);flex-shrink:0;margin-top:2px}.privacy-heading{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin-bottom:.25rem}.privacy-summary{font-size:.925rem;color:var(--text-secondary);line-height:1.5}.privacy-body{font-size:.9rem;color:var(--text-secondary);line-height:1.65;display:flex;flex-direction:column;gap:.85rem}.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:center}.feature-check-list{list-style:none;display:flex;flex-direction:column;gap:.6rem}.feature-check-list li{display:flex;align-items:center;gap:.6rem;font-size:.925rem;color:var(--text-primary)}.check-icon{color:var(--accent-green);flex-shrink:0}.byos-banner{background:var(--bg-secondary);border:1px solid var(--brand-tint);border-radius:10px;padding:1rem 1.25rem;display:flex;align-items:center;gap:1rem;font-size:.925rem;color:var(--text-primary);margin-bottom:2rem}.byos-banner-badge{background:var(--accent-green);color:var(--accent-green);font-weight:700;font-size:.75rem;padding:.25rem .6rem;border-radius:9999px;flex-shrink:0}.storage-cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem}.storage-card{background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:14px;padding:1.75rem;display:flex;flex-direction:column}.storage-card-featured{border-color:var(--brand-tint);background:var(--bg-secondary)}.storage-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.25rem}.storage-icon-box{width:44px;height:44px;border-radius:10px;background:var(--brand-tint);color:var(--accent-cyan);display:flex;align-items:center;justify-content:center}.storage-card-title{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin-bottom:.5rem}.storage-card-desc{font-size:.88rem;color:var(--text-secondary);line-height:1.6;margin-bottom:1.5rem}.storage-card-footer{margin-top:auto}.storage-status-note{font-size:.85rem;color:var(--text-muted)}.storage-onboarding-card{display:flex;flex-direction:column;padding:1.5rem}.card-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.faq-list{max-width:800px;margin:0 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var(--border-color)}.cta-banner-title{font-size:2.15rem;font-weight:800;letter-spacing:-.025em;color:var(--text-primary);margin-bottom:.5rem}.cta-banner-subtitle{font-size:1.05rem;color:var(--text-secondary)}.landing-footer{background-color:var(--bg-secondary);border-top:1px solid var(--border-color);padding:3rem 0 2rem;margin-top:auto}.landing-footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1.5rem;padding-bottom:2rem;border-bottom:1px solid var(--bg-card-hover)}.footer-tagline{font-size:.825rem;color:var(--text-muted);margin-top:.25rem}.footer-links-group{display:flex;align-items:center;gap:1.5rem;flex-wrap:wrap}.footer-nav-link{background:none;border:none;color:var(--text-secondary);text-decoration:none;font-size:.85rem;cursor:pointer;padding:0;font-family:inherit;transition:color .15s ease}.footer-nav-link:hover{color:var(--text-primary)}.footer-bottom{padding-top:1.5rem;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.75rem;font-size:.8rem;color:var(--text-muted)}.app-container{max-width:1040px;margin:0 auto;padding:1.5rem;display:flex;flex-direction:column;gap:1.75rem}.app-shell-header{display:flex;justify-content:space-between;align-items:center;padding:.85rem 1.25rem;background-color:var(--bg-secondary);border:1px solid var(--border-color);border-radius:12px;gap:1rem}.header-brand-group{display:flex;align-items:center;gap:.6rem}.brand-clickable{display:flex;align-items:center;gap:.6rem;cursor:pointer}.brand-title{font-size:1.25rem;font-weight:700;letter-spacing:-.02em;color:var(--text-primary)}.header-nav-desktop{display:flex;align-items:center;gap:.35rem;background:var(--bg-primary);padding:.25rem;border-radius:8px;border:1px solid var(--border-color)}.nav-tab-btn{display:inline-flex;align-items:center;gap:.45rem;padding:.45rem 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.75rem;justify-content:space-around;align-items:center}.mobile-tab-btn{display:flex;flex-direction:column;align-items:center;gap:.2rem;background:none;border:none;color:var(--text-muted);font-size:.72rem;font-weight:500;font-family:inherit;cursor:pointer;padding:.3rem .6rem;border-radius:6px}.mobile-tab-active{color:var(--accent-cyan)}.app-footer{display:flex;justify-content:space-between;align-items:center;font-size:.8rem;color:var(--text-muted);border-top:1px solid var(--border-color);padding-top:1.25rem;margin-top:2rem;flex-wrap:wrap;gap:.75rem}.footer-links{display:flex;align-items:center;gap:1rem}.footer-link{color:var(--text-muted);text-decoration:none}.welcome-card{max-width:620px;margin:2rem auto;padding:2.5rem 2rem}.welcome-shield-icon{width:64px;height:64px;margin:0 auto 1.25rem;background:var(--brand-tint);border:1px solid var(--brand-tint);border-radius:16px;display:flex;align-items:center;justify-content:center;color:var(--accent-cyan)}.welcome-title{font-size:1.75rem;font-weight:700;color:var(--text-primary);margin-bottom:.6rem}.welcome-subtitle{font-size:.95rem;color:var(--text-secondary);line-height:1.6;margin-bottom:2rem}.welcome-actions{display:flex;flex-direction:column;gap:1rem;max-width:340px;margin:0 auto}.welcome-divider{font-size:.825rem;color:var(--text-muted);margin:.5rem 0}.words-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem;background:var(--bg-primary);padding:1.25rem;border-radius:8px;border:1px solid var(--border-color);margin-bottom:1.25rem}.word-item{display:flex;align-items:center;gap:.4rem;font-size:.85rem;font-family:var(--font-mono);color:var(--text-primary)}.word-idx{color:var(--text-muted);min-width:1.4rem}.word-text{font-weight:600}.step-row{display:flex;align-items:flex-start;gap:.75rem;font-size:.88rem;color:var(--text-secondary);line-height:1.5}.step-num{width:22px;height:22px;border-radius:50%;background:var(--bg-card-hover);border:1px solid var(--border-color);color:var(--accent-cyan);font-size:.78rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:1px}.test-progress-box{background:var(--bg-primary);border:1px solid var(--border-color);border-radius:8px;padding:1rem 1.25rem;display:flex;flex-direction:column;gap:.65rem}.test-step{display:flex;align-items:center;gap:.6rem;font-size:.85rem;color:var(--text-primary)}.module-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}@media(max-width:768px){.hero-title{font-size:2.35rem}.landing-nav-links{display:none}.split-grid{grid-template-columns:1fr;gap:1.75rem}.header-nav-desktop{display:none}.app-shell-header{flex-wrap:wrap}.header-status-group{min-width:0;flex-wrap:wrap}.storage-chip{max-width:100%;overflow-wrap:anywhere}.header-nav-mobile{display:flex}.app-container{padding-bottom:5rem}.words-grid{grid-template-columns:repeat(2,1fr)}}.diagnostics-overlay{background:#292e2659!important;backdrop-filter:none!important}.diagnostics-dialog{background:var(--bg-card)!important;border-radius:4px!important;border-color:var(--border-color)!important;box-shadow:0 12px 45px #292e2620!important}.diagnostics-dialog 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