*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #d4a34a;--primary-dark: #a87f34;--primary-light: #e6bc6e;--secondary: #4aa893;--background: #14120e;--surface: #1c1a15;--surface-light: #29261f;--text: #f7f3ec;--text-secondary: #a39a89;--success: #5cb87a;--error: #d96b52;--warning: #e08a3c;--border: #3d382c;--radius: 10px;--radius-sm: 4px;--shadow: 0 2px 8px rgba(0, 0, 0, .35);--font-ui: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-display: "Lora", Georgia, serif}body{font-family:var(--font-ui);background-color:var(--background);color:var(--text);min-height:100vh;line-height:1.6;font-size:15px}#root{min-height:100vh}.container{max-width:1200px;margin:0 auto;padding:2rem}.form-card{background:var(--surface);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow);border:1px solid var(--border)}.form-title{font-family:var(--font-display);font-weight:600;font-size:1.5rem;margin-bottom:1.5rem;color:var(--text)}.form-group{margin-bottom:1.5rem}.form-group label{display:block;margin-bottom:.5rem;color:var(--text-secondary);font-weight:500}.input{width:100%;padding:.75rem 1rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface-light);color:var(--text);font-size:1rem;font-family:var(--font-ui);transition:border-color .2s,box-shadow .2s}.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--primary) 25%,transparent)}.input::placeholder{color:var(--text-secondary)}.button-group{display:flex;flex-wrap:wrap;gap:.75rem}.button-group-label{display:block;margin-bottom:.5rem;color:var(--text-secondary);font-weight:500}.btn{padding:.7rem 1.4rem;border:1px solid transparent;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;font-family:var(--font-ui);letter-spacing:.01em;cursor:pointer;transition:background .15s ease,border-color .15s ease,color .15s ease;display:inline-flex;align-items:center;justify-content:center;gap:.5rem}.btn svg{flex-shrink:0}.btn-primary{background:var(--primary);color:#1c1607}.btn-primary:hover{background:var(--primary-light)}.btn-secondary{background:transparent;color:var(--text);border-color:var(--border)}.btn-secondary:hover{background:var(--surface-light);border-color:var(--text-secondary)}.btn-active{background:var(--surface-light);color:var(--primary-light);border-color:var(--primary)}.btn-sm{padding:.45rem .9rem;font-size:.8rem}.btn-icon{padding:.4rem .65rem;font-size:.78rem;gap:.35rem}.btn:disabled{opacity:.45;cursor:not-allowed}.submit-btn{width:100%;padding:1rem;font-size:1.05rem;margin-top:1rem}.icon-spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.status-message{text-align:center;padding:2rem;color:var(--text-secondary)}.status-message .icon{font-size:2rem;margin-bottom:1rem}.error-message{background:color-mix(in srgb,var(--error) 12%,transparent);border:1px solid color-mix(in srgb,var(--error) 35%,transparent);color:var(--error);padding:1rem;border-radius:var(--radius);text-align:center}.topnav{display:flex;align-items:center;gap:2rem;padding:.75rem 2rem;border-bottom:1px solid var(--border);background:var(--surface)}.topnav-brand h1{font-family:var(--font-display);font-weight:600;font-size:1.4rem;letter-spacing:-.01em;color:var(--text)}.topnav-brand h1 span{color:var(--primary)}.topnav-tabs{display:flex;gap:.25rem;flex:1}.topnav-user{display:flex;align-items:center;gap:1rem}.topnav-profile{display:flex;align-items:center;gap:.5rem;background:none;border:1px solid transparent;border-radius:var(--radius-sm);padding:.35rem .6rem;cursor:pointer;color:var(--text)}.topnav-profile:hover,.topnav-profile-active{border-color:var(--border);background:var(--surface-light)}.topnav-name{font-weight:500;font-size:.9rem}.avatar{width:28px;height:28px;border-radius:50%;background:var(--primary);color:#1c1607;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;overflow:hidden;flex-shrink:0}.avatar img{width:100%;height:100%;object-fit:cover}.avatar-lg{width:64px;height:64px;font-size:1.6rem}.logout-link{display:flex;align-items:center;gap:.4rem;background:none;border:none;color:var(--primary-light);cursor:pointer;font-size:inherit;font-family:var(--font-ui);padding:0}.logout-link:hover{color:var(--primary)}.sync-bar{display:flex;align-items:center;gap:1rem;min-height:2.25rem;margin-bottom:1.25rem}.sync-progress{max-width:320px}.sync-status-text{color:var(--text-secondary);font-size:.9rem}.stat-tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin-bottom:1.5rem}.stat-tile{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.1rem 1.25rem;display:flex;flex-direction:column;gap:.25rem}.stat-value{font-family:var(--font-display);font-size:2rem;font-weight:600;line-height:1.1;color:var(--text)}.stat-label{color:var(--text-secondary);font-size:.85rem}.chart-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1rem}.chart-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.25rem}.chart-title{font-family:var(--font-ui);font-size:.95rem;font-weight:600;color:var(--text);margin-bottom:.75rem}.chart-body{position:relative}.chart-body svg{width:100%;height:auto;display:block}.chart-axis-text{fill:var(--text-secondary);font-size:10px}.chart-tooltip{position:absolute;top:-4px;transform:translate(-50%);background:var(--surface-light);border:1px solid var(--border);border-radius:6px;padding:.3rem .6rem;display:flex;gap:.5rem;align-items:center;font-size:.8rem;pointer-events:none;white-space:nowrap;z-index:5}.chart-tooltip-date{color:var(--text-secondary)}.chart-tooltip-value{display:flex;align-items:center;gap:.35rem;font-weight:600}.chart-tooltip-swatch{width:8px;height:8px;border-radius:2px;display:inline-block}.chart-empty{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;color:var(--text-secondary);font-size:.9rem}.chart-legend{display:flex;gap:1.25rem;justify-content:center;margin-top:.4rem}.legend-item{display:flex;align-items:center;gap:.4rem;color:var(--text-secondary);font-size:.8rem}.legend-swatch-bar{width:10px;height:10px;border-radius:2px;display:inline-block}.legend-swatch-line{width:14px;height:2px;border-radius:1px;display:inline-block}.chart-tooltip-swatch-line{height:2px;border-radius:1px}.settings-card{max-width:560px;margin:0 auto}.settings-section{margin-top:2rem}.settings-profile-row{display:flex;gap:1.25rem;align-items:flex-start}.settings-profile-fields{flex:1}.saved-message{color:var(--success);padding:.5rem 0;font-size:.9rem}.input-narrow{max-width:120px}.field-hint{color:var(--text-secondary);font-size:.8rem;margin-top:.4rem}.field-hint-error{color:var(--error)}.new-card-badge{color:var(--primary-light);font-size:.7rem;font-weight:700;letter-spacing:.05em;margin-left:.4rem}.retry-card-badge{color:var(--warning);font-size:.7rem;font-weight:700;letter-spacing:.05em;margin-left:.4rem}.link-button{background:none;border:none;color:var(--primary-light);cursor:pointer;font-size:inherit;padding:0;text-decoration:underline;text-underline-offset:2px}.link-button:hover{color:var(--primary)}.auth-card{max-width:420px;margin:0 auto}.auth-switch{margin-top:1.25rem;text-align:center;color:var(--text-secondary);font-size:.9rem}.auth-back{display:inline-flex;align-items:center;gap:.3rem;margin-bottom:1.25rem}.auth-forgot-link{display:block;margin:-.75rem 0 1.25rem;font-size:.85rem}.auth-info{color:var(--text-secondary);margin-bottom:1.25rem;line-height:1.5}.landing{max-width:960px;margin:0 auto}.landing-hero{text-align:center;padding:3rem 1rem 2.5rem}.landing-hero-brand{font-family:var(--font-display);font-weight:600;font-size:3rem;letter-spacing:-.01em;color:var(--text);margin-bottom:1rem}.landing-hero-brand span{color:var(--primary)}.landing-hero-tagline{font-family:var(--font-display);font-size:1.5rem;font-weight:600;margin-bottom:.75rem}.landing-hero-sub{color:var(--text-secondary);font-size:1rem;max-width:560px;margin:0 auto 2rem}.landing-cta{display:flex;justify-content:center;gap:.75rem;flex-wrap:wrap}.landing-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem;padding:0 1rem 2rem}.landing-feature{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem}.landing-feature-icon{width:40px;height:40px;border-radius:var(--radius-sm);background:var(--surface-light);color:var(--primary);display:flex;align-items:center;justify-content:center;margin-bottom:1rem}.landing-feature h3{font-size:1rem;margin-bottom:.5rem}.landing-feature p{color:var(--text-secondary);font-size:.9rem}.tab{background:none;border:none;color:var(--text-secondary);font-size:.95rem;font-weight:600;font-family:var(--font-ui);padding:.75rem 1.25rem;cursor:pointer;border-bottom:2px solid transparent;display:flex;align-items:center;gap:.55rem}.tab:hover{color:var(--text)}.tab-active{color:var(--primary-light);border-bottom-color:var(--primary)}.progress-bar{flex:1;height:8px;background:var(--surface-light);border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--primary),var(--secondary));transition:width .4s ease}.progress-label{color:var(--text-secondary);font-size:.85rem;white-space:nowrap}.review-panel{max-width:480px;margin:0 auto}.review-meta{display:flex;justify-content:space-between;gap:.75rem;color:var(--text-secondary);font-size:.875rem;margin-bottom:.75rem}.review-meta>span{white-space:nowrap}.review-meta>span:first-child{flex-shrink:0}.review-meta>span:last-child{overflow:hidden;text-overflow:ellipsis}.review-board{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.review-prompt{margin-top:1rem;text-align:center;min-height:3.5rem}.review-prompt p{margin-bottom:.5rem}.sym{font-weight:700}.move-bad{color:var(--error)}.move-good{color:var(--success)}.move-punish{color:var(--warning)}.attempt-correct{color:var(--success);font-weight:600}.attempt-wrong{color:var(--error)}.review-grades{display:flex;justify-content:center;gap:.75rem;margin-top:1rem}.why-blunder{color:var(--text-secondary);font-size:.9rem;margin-top:.5rem}.reply-pending{color:var(--text-secondary);font-style:italic;font-size:.9rem}.auto-again-note{color:var(--text-secondary);font-size:.85rem;align-self:center}@media (max-width: 768px){.topnav{padding:.75rem 1rem;gap:.75rem;flex-wrap:wrap}.topnav-tabs{order:3;width:100%}.topnav-name{display:none}.container{padding:1rem}.form-card{padding:1.5rem}.button-group{flex-direction:column}.btn{width:100%}}