.stats-loading{flex-direction:column;gap:10px;display:flex}.stats-summary{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:14px;display:grid}.stats-metric{background:var(--lp-surface);border-radius:16px;flex-direction:column;gap:3px;padding:14px 12px;display:flex;box-shadow:inset 0 0 0 1px #7f7f7f1a}.stats-metric-value{letter-spacing:-.02em;font-variant-numeric:tabular-nums;font-size:clamp(1.35rem,6vw,1.7rem);font-weight:700;line-height:1.1}.stats-metric-label{color:var(--lp-hint);font-size:.72rem;font-weight:600;line-height:1.25}.stats-panel{border-radius:var(--lp-radius);background:var(--lp-surface);margin-top:14px;padding:16px;box-shadow:inset 0 0 0 1px #7f7f7f1a}.stats-panel-head{justify-content:space-between;align-items:baseline;gap:10px;margin-bottom:12px;display:flex}.stats-panel-head h2{margin:0;font-size:.95rem;font-weight:650;line-height:1.3}.stats-empty{color:var(--lp-hint);margin:0 0 12px;font-size:.84rem;line-height:1.45}.stats-scroll{overscroll-behavior-x:contain;scrollbar-width:thin;-webkit-overflow-scrolling:touch;overflow-x:auto}.stats-plot{width:100%}.stats-chart{border-bottom:1px solid #7f7f7f2e;height:172px;padding-top:26px;position:relative}.stats-bars{align-items:end;gap:3px;height:100%;display:grid}.stats-bar-slot{cursor:pointer;border-radius:6px 6px 0 0;justify-content:center;align-items:flex-end;min-width:0;height:100%;display:flex;position:relative}.stats-bar-slot--active{background:#7f7f7f17}.stats-bar{background:var(--lp-button);opacity:.88;border-radius:5px 5px 2px 2px;width:100%;max-width:22px;min-height:3px;transition:height .25s;display:block}.stats-bar--empty{opacity:1;background:#7f7f7f40;border-radius:2px;height:2px;min-height:2px}.stats-bar-count{color:var(--lp-hint);font-variant-numeric:tabular-nums;white-space:nowrap;pointer-events:none;font-size:.54rem;font-weight:650;line-height:1;position:absolute;left:50%;transform:translate(-50%)}.stats-tooltip{z-index:2;background:var(--lp-text);max-width:calc(100% - 8px);color:var(--lp-bg);font-variant-numeric:tabular-nums;white-space:nowrap;pointer-events:none;border-radius:8px;padding:3px 7px;font-size:.68rem;font-weight:650;line-height:1.2;position:absolute;top:0;transform:translate(-50%);box-shadow:0 4px 12px #0000002e}.stats-axis{justify-content:space-between;align-items:center;gap:8px;margin-top:7px;display:flex}.stats-axis-label{color:var(--lp-hint);font-variant-numeric:tabular-nums;text-align:center;white-space:nowrap;flex:none;font-size:.64rem;line-height:1.2}.stats-totals{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;display:grid}.stats-total{text-align:center;background:#7f7f7f14;border-radius:13px;flex-direction:column;gap:2px;padding:10px 8px;display:flex}.stats-total-value{font-variant-numeric:tabular-nums;font-size:1.15rem;font-weight:700;line-height:1.15}.stats-total-label{color:var(--lp-hint);text-overflow:ellipsis;white-space:nowrap;font-size:.68rem;font-weight:600;line-height:1.2;overflow:hidden}.stats-layout{gap:0;display:grid}.stats-layout .stats-panel{margin-top:14px}@media (width<=480px){.stats-chart{height:160px;padding-top:24px}.stats-bars{gap:2px}.stats-axis{gap:6px}.stats-axis-label{font-size:.6rem}}@media (width>=1024px){.stats-summary{gap:14px;margin-bottom:16px}.stats-layout{grid-template-columns:minmax(0,2fr) minmax(280px,1fr);align-items:start;gap:16px}.stats-layout .stats-panel{margin-top:0}.stats-chart{height:236px}.stats-totals{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.stats-total{padding:14px 10px}}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;--lp-bg:var(--tg-theme-bg-color,#f2f3f5);--lp-surface:var(--tg-theme-secondary-bg-color,#fff);--lp-text:var(--tg-theme-text-color,#101114);--lp-hint:var(--tg-theme-hint-color,#7d828a);--lp-link:var(--tg-theme-link-color,#2f7de1);--lp-accent:var(--tg-theme-accent-text-color,var(--tg-theme-link-color,#2f7de1));--lp-button:var(--tg-theme-button-color,#2f7de1);--lp-button-text:var(--tg-theme-button-text-color,#fff);--lp-destructive:var(--tg-theme-destructive-text-color,#d13438);--lp-radius:18px;--lp-shadow:0 12px 32px #00000014, inset 0 0 0 1px #7f7f7f1a;--lp-again:#d13438;--lp-hard:#9a5b00;--lp-good:#157a52;--lp-easy:#2563b8;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}*{box-sizing:border-box}html,body,#root{min-height:100%}body{background:var(--lp-bg);color:var(--lp-text);overscroll-behavior-y:none;margin:0}button,a{-webkit-tap-highlight-color:transparent}button{font-family:inherit}:focus-visible{outline:2px solid var(--lp-accent);outline-offset:2px}.app-shell{width:100%;max-width:560px;min-height:100dvh;padding:calc(20px + env(safe-area-inset-top)) 18px calc(28px + env(safe-area-inset-bottom));margin:0 auto}.app-header{justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:22px;display:flex}.eyebrow{letter-spacing:.09em;text-transform:uppercase;color:var(--lp-hint);margin:0 0 2px;font-size:.76rem;font-weight:700}h1{letter-spacing:-.02em;margin:0;font-size:1.65rem;line-height:1.2}.subtitle{color:var(--lp-hint);margin:6px 0 0;font-size:.92rem}.icon-link{background:var(--lp-surface);width:44px;height:44px;color:var(--lp-accent);border-radius:14px;flex:none;place-items:center;display:grid;box-shadow:inset 0 0 0 1px #7f7f7f1f}.icon-link:active{transform:scale(.96)}.due-summary{background:var(--lp-surface);color:var(--lp-accent);border-radius:14px;align-items:center;gap:10px;margin-bottom:14px;padding:12px 15px;font-size:.88rem;font-weight:600;display:flex;box-shadow:inset 0 0 0 1px #7f7f7f1a}.deck-list{flex-direction:column;gap:10px;display:flex}.deck-card{border-radius:var(--lp-radius);background:var(--lp-surface);color:inherit;align-items:center;gap:12px;padding:15px 16px;text-decoration:none;transition:transform .12s;display:flex;box-shadow:inset 0 0 0 1px #7f7f7f1a}.deck-card:active{transform:scale(.985)}.deck-main{flex:1;min-width:0}.deck-name{text-overflow:ellipsis;white-space:nowrap;margin:0 0 5px;font-size:1.02rem;font-weight:600;line-height:1.3;overflow:hidden}.deck-language{text-overflow:ellipsis;white-space:nowrap;max-width:100%;color:var(--lp-hint);font-size:.78rem;display:inline-block;overflow:hidden}.deck-counts{flex-direction:column;flex:none;align-items:flex-end;gap:5px;display:flex}.count-badge{white-space:nowrap;border-radius:999px;padding:3px 9px;font-size:.75rem;font-weight:650;line-height:1.35}.count-badge--due{background:var(--lp-button);color:var(--lp-button-text)}.count-badge--new{color:var(--lp-hint);box-shadow:inset 0 0 0 1px #7f7f7f38}.chevron{color:var(--lp-hint);opacity:.7;flex:none}.skeleton-card{border-radius:var(--lp-radius);background:linear-gradient(100deg, var(--lp-surface) 38%, #7f7f7f24 50%, var(--lp-surface) 62%);background-size:220% 100%;height:78px;animation:1.4s ease-in-out infinite shimmer}@keyframes shimmer{0%{background-position:120% 0}to{background-position:-20% 0}}.state{background:var(--lp-surface);text-align:center;border-radius:24px;margin-top:8px;padding:38px 22px;box-shadow:inset 0 0 0 1px #7f7f7f1a}.state-icon{width:58px;height:58px;color:var(--lp-accent);background:#7f7f7f1f;border-radius:50%;place-items:center;margin:0 auto 16px;display:grid}.state-icon--danger{color:var(--lp-destructive);background:#d134381f}.state-icon--success{color:var(--lp-good);background:#157a5224}.state h2{margin:0 0 7px;font-size:1.15rem;line-height:1.3}.state p{max-width:34ch;color:var(--lp-hint);margin:0 auto 20px;font-size:.9rem;line-height:1.5}.button{background:var(--lp-button);min-height:46px;color:var(--lp-button-text);font:inherit;cursor:pointer;border:0;border-radius:14px;justify-content:center;align-items:center;gap:8px;padding:11px 20px;font-size:.95rem;font-weight:600;text-decoration:none;transition:transform .1s,opacity .15s;display:inline-flex}.button:active:not(:disabled){transform:scale(.975)}.button:disabled{opacity:.55}.button--ghost{color:var(--lp-accent);background:0 0;box-shadow:inset 0 0 0 1px #7f7f7f38}.button--block{width:100%}.page-loader{place-items:center;min-height:55vh;display:grid}.spinner{border:2.5px solid #7f7f7f40;border-top-color:var(--lp-accent);border-radius:50%;width:24px;height:24px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.study-top{align-items:center;gap:12px;margin-bottom:16px;display:flex}.back-button{background:var(--lp-surface);width:44px;height:44px;color:var(--lp-text);cursor:pointer;border:0;border-radius:13px;flex:none;place-items:center;display:grid;box-shadow:inset 0 0 0 1px #7f7f7f1f}.back-button:active{transform:scale(.95)}.study-heading{flex:1;min-width:0}.study-deck-name{text-overflow:ellipsis;white-space:nowrap;margin:0;font-size:.98rem;font-weight:600;overflow:hidden}.study-progress-text{color:var(--lp-hint);margin:1px 0 0;font-size:.78rem}.progress-track{background:#7f7f7f2e;border-radius:999px;height:6px;margin-bottom:18px;overflow:hidden}.progress-fill{border-radius:inherit;background:var(--lp-button);height:100%;transition:width .25s}.study-card{background:var(--lp-surface);width:100%;min-height:min(54vh,440px);color:inherit;font:inherit;text-align:center;box-shadow:var(--lp-shadow);cursor:pointer;border:0;border-radius:24px;flex-direction:column;justify-content:center;align-items:center;gap:14px;padding:30px 22px;display:flex;position:relative}.study-card:active{transform:scale(.995)}.card-face{flex-direction:column;align-items:center;gap:14px;width:100%;max-height:48vh;animation:.18s card-in;display:flex;overflow-y:auto}@keyframes card-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}.card-label{color:var(--lp-hint);letter-spacing:.12em;text-transform:uppercase;font-size:.7rem;font-weight:700}.card-term{overflow-wrap:anywhere;white-space:pre-wrap;margin:0;font-size:clamp(1.7rem,7vw,2.4rem);font-weight:650;line-height:1.25}.card-term--prompt{color:var(--lp-hint);font-size:clamp(1.1rem,4.5vw,1.35rem);font-weight:600}.card-answer{overflow-wrap:anywhere;white-space:pre-wrap;margin:0;font-size:clamp(1.3rem,5.5vw,1.85rem);font-weight:550;line-height:1.35}.card-divider{background:#7f7f7f4d;border-radius:2px;width:48px;height:2px}.card-hint{color:var(--lp-hint);align-items:center;gap:6px;margin-top:4px;font-size:.82rem;display:flex}.study-actions{margin-top:16px}.rate-prompt{color:var(--lp-hint);text-align:center;margin:0 0 10px;font-size:.82rem}.rating-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;display:grid}.rating-button{color:#fff;min-height:54px;font:inherit;cursor:pointer;border:0;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;gap:2px;padding:9px 4px;font-size:.82rem;font-weight:650;transition:transform .1s,opacity .15s;display:flex}.rating-button:active:not(:disabled){transform:scale(.955)}.rating-button:disabled{opacity:.45;cursor:default}.rating-button small{opacity:.8;font-size:.68rem;font-weight:500}.rating--again{background:var(--lp-again)}.rating--hard{background:var(--lp-hard)}.rating--good{background:var(--lp-good)}.rating--easy{background:var(--lp-easy)}.form-error{color:var(--lp-destructive);background:#d134381f;border-radius:12px;margin-top:12px;padding:10px 13px;font-size:.84rem;line-height:1.4}.session-complete{background:var(--lp-surface);box-shadow:var(--lp-shadow);text-align:center;border-radius:26px;padding:46px 20px}.success-ring{width:86px;height:86px;color:var(--lp-good);background:#157a5224;border-radius:50%;place-items:center;margin:0 auto 20px;display:grid}.session-complete h2{letter-spacing:-.01em;margin:0 0 8px;font-size:1.4rem}.session-complete p{color:var(--lp-hint);margin:0 0 24px;font-size:.95rem}.session-actions{flex-direction:column;gap:10px;display:flex}@media (width>=480px){.app-shell{padding-left:24px;padding-right:24px}.rating-button{min-height:60px;font-size:.9rem}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.shell{min-height:100dvh}.shell-content{padding-bottom:calc(76px + env(safe-area-inset-bottom))}.bottom-nav{z-index:40;padding:6px 8px calc(6px + env(safe-area-inset-bottom));background:var(--lp-surface);border-top:1px solid #7f7f7f24;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px;display:grid;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -8px 24px #0000000f}.bottom-nav-item{min-height:54px;color:var(--lp-hint);border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:3px;font-size:.68rem;font-weight:600;text-decoration:none;display:flex}.bottom-nav-item--active{color:var(--lp-accent);background:#7f7f7f17}.side-nav{display:none}.app-shell--study{max-width:680px}.header-actions{flex-wrap:wrap;justify-content:flex-end;align-items:flex-start;gap:8px;display:flex}.panel{border-radius:var(--lp-radius);background:var(--lp-surface);padding:18px;box-shadow:inset 0 0 0 1px #7f7f7f1a}.panel h2{margin:0 0 4px;font-size:1rem;line-height:1.3}.panel-head{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.field{flex-direction:column;gap:7px;min-width:0;display:flex}.field+.field{margin-top:14px}.field-grid{gap:14px;display:grid}.field-grid .field+.field{margin-top:0}.field-label{color:var(--lp-text);font-size:.86rem;font-weight:600;line-height:1.35}.field-help{color:var(--lp-hint);margin:0;font-size:.76rem;line-height:1.45}.field-line{justify-content:space-between;align-items:baseline;gap:12px;display:flex}.field-value{color:var(--lp-accent);font-variant-numeric:tabular-nums;font-size:.82rem;font-weight:650}.input{width:100%;min-height:46px;color:var(--lp-text);font:inherit;background:#7f7f7f1a;border:0;border-radius:12px;padding:10px 12px;font-size:.92rem;box-shadow:inset 0 0 0 1px #7f7f7f29}.input::placeholder{color:var(--lp-hint)}.input:disabled{opacity:.55}.range{width:100%;min-height:32px;accent-color:var(--lp-accent)}.setting-row{border-top:1px solid #7f7f7f1f;justify-content:space-between;align-items:center;gap:16px;padding:13px 0;display:flex}.setting-row .field-label{display:block}.setting-row .field-help{margin-top:3px}.switch{cursor:pointer;background:#7f7f7f59;border:0;border-radius:999px;flex:none;width:52px;height:32px;padding:0;transition:background .18s;position:relative}.switch:before{content:"";position:absolute;inset:-7px}.switch-thumb{background:#fff;border-radius:50%;width:24px;height:24px;transition:transform .18s;position:absolute;top:4px;left:4px;box-shadow:0 1px 4px #00000047}.switch--on{background:var(--lp-good)}.switch--on .switch-thumb{transform:translate(20px)}.switch:disabled{opacity:.55}.segmented{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.segmented-option{min-height:64px;color:inherit;font:inherit;text-align:left;cursor:pointer;background:#7f7f7f17;border:0;border-radius:14px;flex-direction:column;align-items:flex-start;gap:2px;padding:10px 12px;display:flex;box-shadow:inset 0 0 0 1px #7f7f7f29}.segmented-option strong{font-size:.88rem;font-weight:650}.segmented-option small{color:var(--lp-hint);font-size:.72rem;line-height:1.3}.segmented-option--active{background:var(--lp-button);color:var(--lp-button-text);box-shadow:none}.segmented-option--active small{color:inherit;opacity:.82}.settings-form{flex-direction:column;gap:14px;display:flex}.settings-section .field-grid,.settings-section>.field{margin-top:14px}.settings-footer{flex-direction:column;gap:8px;margin-top:2px;display:flex}.inline-form{gap:8px;margin-top:12px;display:flex}.inline-form .input{flex:1;min-width:0}.form-success{color:var(--lp-good);background:#157a521f;border-radius:12px;margin:10px 0;padding:10px 13px;font-size:.84rem;line-height:1.4}.button--danger{background:var(--lp-again);color:#fff}.button--danger-text{color:var(--lp-destructive)}.button--small{border-radius:12px;min-height:44px;padding:8px 14px;font-size:.84rem}.icon-button{width:44px;height:44px;color:var(--lp-text);cursor:pointer;background:#7f7f7f17;border:0;border-radius:12px;place-items:center;padding:0;transition:transform .1s,opacity .15s;display:grid}.icon-button:active:not(:disabled){transform:scale(.94)}.icon-button:disabled{opacity:.45}.icon-button--danger{color:var(--lp-destructive)}.center-pad{text-align:center;flex-direction:column;align-items:center;gap:10px;padding:22px 8px;display:flex}.decks-layout{gap:14px;display:grid}.decks-main{min-width:0}.decks-side{flex-direction:column;gap:12px;min-width:0;display:flex}.deck-grid{grid-template-columns:minmax(0,1fr);gap:12px;display:grid}.deck-tile{border-radius:var(--lp-radius);background:var(--lp-surface);flex-direction:column;gap:12px;min-width:0;padding:16px;display:flex;box-shadow:inset 0 0 0 1px #7f7f7f1a}.deck-tile-head{justify-content:space-between;align-items:flex-start;gap:10px;display:flex}.deck-tile-title{min-width:0}.deck-title-link{color:inherit;text-decoration:none}.deck-title-link h2{overflow-wrap:anywhere;margin:0 0 3px;font-size:1.03rem;font-weight:650;line-height:1.3}.deck-language{margin:0}.badge-stack{flex-direction:column;flex:none;align-items:flex-end;gap:4px;display:flex}.badge{color:var(--lp-hint);white-space:nowrap;background:#7f7f7f1f;border-radius:999px;align-items:center;padding:3px 8px;font-size:.68rem;font-weight:650;line-height:1.35;display:inline-flex}.badge--active{background:var(--lp-good);color:#fff}.deck-metrics{flex-wrap:wrap;gap:6px;display:flex}.metric{color:var(--lp-text);font-variant-numeric:tabular-nums;background:#7f7f7f17;border-radius:999px;padding:3px 9px;font-size:.74rem;font-weight:600;line-height:1.4}.metric--due{background:var(--lp-button);color:var(--lp-button-text)}.metric--muted{color:var(--lp-hint)}.deck-tile-actions{flex-wrap:wrap;align-items:center;gap:8px;margin-top:auto;display:flex}.share-code{color:var(--lp-hint);border-top:1px solid #7f7f7f1f;flex-wrap:wrap;align-items:center;gap:8px;padding-top:10px;font-size:.76rem;display:flex}.share-code code{color:var(--lp-text);letter-spacing:.1em;background:#7f7f7f1a;border-radius:8px;padding:4px 8px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.82rem;font-weight:650}.share-code .icon-button{margin-left:auto}.catalog-list{flex-direction:column;gap:2px;margin-top:12px;display:flex}.catalog-item{border-top:1px solid #7f7f7f1f;justify-content:space-between;align-items:center;gap:10px;padding:11px 0;display:flex}.catalog-name{overflow-wrap:anywhere;margin:0 0 2px;font-size:.9rem;font-weight:600}.title-with-back{align-items:flex-start;gap:12px;min-width:0;display:flex}.deck-detail-title{min-width:0}.deck-detail-title h1{overflow-wrap:anywhere}.deck-detail-header{flex-wrap:wrap}.card-grid{grid-template-columns:minmax(0,1fr);gap:12px;display:grid}.card-tile{border-radius:var(--lp-radius);background:var(--lp-surface);flex-direction:column;gap:8px;min-width:0;padding:16px;display:flex;box-shadow:inset 0 0 0 1px #7f7f7f1a}.card-badges{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.badge--state-new{color:var(--lp-accent)}.badge--state-learning,.badge--state-relearning{color:#b26a00}.badge--state-review{color:var(--lp-good)}.badge--state-suspended{color:var(--lp-destructive)}.card-tile-front{overflow-wrap:anywhere;margin:0;font-size:1.02rem;font-weight:650;line-height:1.35}.card-tile-back{color:var(--lp-hint);overflow-wrap:anywhere;margin:0;font-size:.9rem;line-height:1.4}.card-tile-example{color:var(--lp-hint);overflow-wrap:anywhere;margin:0;font-size:.8rem;font-style:italic;line-height:1.45}.card-tile-actions{flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:4px;display:flex}.pagination{justify-content:space-between;align-items:center;gap:10px;margin-top:16px;display:flex}.pagination-label{color:var(--lp-hint);font-variant-numeric:tabular-nums;text-align:center;font-size:.78rem}.modal-overlay{z-index:100;background:#0000007a;justify-content:center;align-items:flex-end;padding:12px;display:flex;position:fixed;inset:0}.modal-card{background:var(--lp-surface);border-radius:22px 22px 16px 16px;flex-direction:column;width:100%;max-width:480px;max-height:88dvh;display:flex;overflow:hidden;box-shadow:0 24px 70px #0000004d}.modal-head{justify-content:space-between;align-items:center;gap:12px;padding:16px 18px 8px;display:flex}.modal-head h2{margin:0;font-size:1.1rem;line-height:1.3}.modal-head .icon-button{flex:none}.modal-body{padding:8px 18px 18px;overflow-y:auto}.modal-footer{padding:12px 18px calc(16px + env(safe-area-inset-bottom));border-top:1px solid #7f7f7f24;justify-content:flex-end;gap:8px;display:flex}.modal-text{color:var(--lp-hint);margin:8px 0 4px;font-size:.9rem;line-height:1.5}.modal-form .field+.field{margin-top:14px}.sheet-card-front{overflow-wrap:anywhere;margin:0 0 14px;font-size:1.2rem;font-weight:650;line-height:1.35}.sheet-subtitle{margin:20px 0 8px;font-size:.95rem}.info-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:0;display:grid}.info-grid>div{background:#7f7f7f14;border-radius:11px;padding:9px 10px}.info-grid dt{color:var(--lp-hint);font-size:.68rem;font-weight:600;line-height:1.3}.info-grid dd{overflow-wrap:anywhere;margin:2px 0 0;font-size:.88rem;font-weight:600;line-height:1.3}.answer-list{flex-direction:column;gap:7px;margin:0;padding:0;list-style:none;display:flex}.answer-item{background:#7f7f7f12;border-radius:10px;flex-wrap:wrap;align-items:center;gap:7px;padding:7px 9px;font-size:.78rem;display:flex}.rating-dot{background:var(--lp-hint);border-radius:50%;width:8px;height:8px}.rating-dot--again{background:var(--lp-again)}.rating-dot--hard{background:var(--lp-hard)}.rating-dot--good{background:var(--lp-good)}.rating-dot--easy{background:var(--lp-easy)}.answer-rating{font-weight:650}.answer-duration{color:var(--lp-hint)}.answer-date{color:var(--lp-hint);font-variant-numeric:tabular-nums;margin-left:auto;font-size:.7rem}.study-counters{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-bottom:14px;display:grid}.study-counter{background:var(--lp-surface);color:var(--lp-hint);border-radius:12px;justify-content:center;align-items:center;gap:5px;padding:8px 4px;font-size:.72rem;font-weight:600;line-height:1.2;display:flex;box-shadow:inset 0 0 0 1px #7f7f7f1a}.study-counter strong{color:var(--lp-text);font-variant-numeric:tabular-nums;font-size:.95rem}.study-counter--new strong{color:var(--lp-accent)}.study-counter--learning strong{color:#b26a00}.study-counter--review strong{color:var(--lp-good)}.study-card--cloze{cursor:default;justify-content:flex-start}.study-card--cloze:active{transform:none}.choice-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;width:100%;margin-top:4px;display:grid}.choice{min-height:46px;color:inherit;font:inherit;overflow-wrap:anywhere;cursor:pointer;background:#7f7f7f1a;border:0;border-radius:12px;padding:9px 10px;font-size:.88rem;font-weight:550;line-height:1.3;box-shadow:inset 0 0 0 1px #7f7f7f2e}.choice:disabled{cursor:default}.choice--correct{color:var(--lp-good);box-shadow:inset 0 0 0 2px var(--lp-good);background:#157a522e;font-weight:650}.choice--wrong{color:var(--lp-destructive);box-shadow:inset 0 0 0 2px var(--lp-destructive);background:#d1343824}.choice--muted{opacity:.5}.choice-feedback{margin:4px 0 0;font-size:.86rem;font-weight:700}.choice-feedback.is-correct{color:var(--lp-good)}.choice-feedback.is-wrong{color:var(--lp-destructive)}.card-example{max-width:32ch;color:var(--lp-hint);overflow-wrap:anywhere;margin:4px 0 0;font-size:.84rem;font-style:italic;line-height:1.45}.card-example .card-label{margin-bottom:2px;font-style:normal;display:block}.rating-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}.rating-button small{font-variant-numeric:tabular-nums}@media (width<=560px){.app-header{flex-wrap:wrap}.header-actions{justify-content:flex-start;width:100%}.field-grid,.choice-grid{grid-template-columns:minmax(0,1fr)}}@media (width>=640px){.modal-overlay{align-items:center}.modal-card{border-radius:22px}.modal-footer{padding-bottom:18px}.field-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.info-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (width>=1024px){.bottom-nav{display:none}.shell-content{margin-left:240px;padding-bottom:0}.side-nav{z-index:30;background:var(--lp-surface);border-right:1px solid #7f7f7f24;flex-direction:column;width:240px;padding:24px 16px;display:flex;position:fixed;top:0;bottom:0;left:0}.brand{color:var(--lp-text);align-items:center;gap:10px;margin-bottom:28px;font-size:1.02rem;font-weight:700;text-decoration:none;display:flex}.brand-mark{background:var(--lp-button);width:38px;height:38px;color:var(--lp-button-text);border-radius:12px;place-items:center;display:grid}.side-nav-list{flex-direction:column;gap:4px;display:flex}.side-nav-item{min-height:46px;color:var(--lp-text);border-radius:12px;align-items:center;gap:12px;padding:0 12px;font-size:.92rem;font-weight:550;text-decoration:none;display:flex}.side-nav-item--active{background:var(--lp-button);color:var(--lp-button-text)}.side-study-button{min-height:46px;color:var(--lp-accent);background:#7f7f7f17;border-radius:12px;justify-content:center;align-items:center;gap:8px;margin-top:auto;font-size:.9rem;font-weight:600;text-decoration:none;display:flex}.app-shell{max-width:1100px;padding:34px 32px 42px}.app-shell--study{max-width:760px}.app-header{margin-bottom:26px}.decks-layout{grid-template-columns:minmax(0,2fr) minmax(280px,1fr);align-items:start;gap:18px}.deck-grid,.card-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.settings-form{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:16px;display:grid}.settings-section:first-child{grid-column:1/-1}.settings-footer{grid-column:1/-1;max-width:360px}.study-card{min-height:min(58vh,500px)}}.card-tile-actions{justify-content:flex-end}.textarea{resize:vertical;min-height:88px;line-height:1.45}.action-menu{flex-direction:column;gap:4px;display:flex}.action-menu-item{width:100%;min-height:58px;color:inherit;font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;border-radius:12px;align-items:center;gap:12px;padding:9px 10px;display:flex}.action-menu-item:active:not(:disabled){background:#7f7f7f17}.action-menu-item:disabled{opacity:.45;cursor:default}.action-menu-icon{width:38px;height:38px;color:var(--lp-accent);background:#7f7f7f1a;border-radius:11px;flex:none;place-items:center;display:grid}.action-menu-item--danger{color:var(--lp-destructive)}.action-menu-item--danger .action-menu-icon{color:var(--lp-destructive);background:#d134381a}.action-menu-text{flex-direction:column;gap:1px;min-width:0;display:flex}.action-menu-text strong{font-size:.92rem;font-weight:650}.action-menu-text small{color:var(--lp-hint);font-size:.74rem;line-height:1.3}.menu-status{color:var(--lp-hint);justify-content:center;align-items:center;gap:8px;padding:16px 0 4px;font-size:.8rem;display:flex}.card-view{flex-direction:column;gap:14px;display:flex}.view-fields{flex-direction:column;gap:12px;display:flex}.view-block{flex-direction:column;gap:4px;min-width:0;display:flex}.view-label{color:var(--lp-hint);letter-spacing:.08em;text-transform:uppercase;font-size:.7rem;font-weight:700}.view-value{overflow-wrap:anywhere;white-space:pre-wrap;margin:0;font-size:.98rem;line-height:1.5}.view-word-big{overflow-wrap:anywhere;text-align:center;margin:0;font-size:clamp(1.7rem,7vw,2.3rem);font-weight:650;line-height:1.25}.view-meta{color:var(--lp-hint);border-top:1px solid #7f7f7f1f;justify-content:space-between;align-items:center;gap:12px;padding-top:10px;font-size:.82rem;display:flex}.choice-chips{flex-wrap:wrap;gap:6px;display:flex}.vocab-view{text-align:center;flex-direction:column;align-items:center;gap:10px;display:flex}.vocab-example{overflow-wrap:anywhere;white-space:pre-wrap;max-width:40ch;margin:0;font-size:clamp(1.2rem,5vw,1.55rem);font-weight:500;line-height:1.45}.vocab-highlight{color:var(--lp-accent);font-weight:750}.vocab-prompt{color:var(--lp-hint);margin:0;font-size:.92rem;line-height:1.45}.vocab-word{color:var(--lp-text);font-weight:700}.cloze-text{overflow-wrap:anywhere;white-space:pre-wrap;margin:0;line-height:1.5}.cloze-blank{vertical-align:baseline;border-bottom:2px solid;justify-content:center;align-items:baseline;min-width:4.5ch;margin:0 .14em;font-weight:700;line-height:1.15;display:inline-flex}.cloze-blank-space{visibility:hidden}.cloze-blank--correct{color:var(--lp-good);border-color:var(--lp-good)}.cloze-blank--wrong{color:var(--lp-destructive);border-color:var(--lp-destructive)}.cloze-correction{color:var(--lp-good);margin-left:.45em;font-size:.78em;font-weight:600;display:inline-block}.study-card--cloze{min-height:min(46vh,380px)}.cloze-result{background:var(--lp-surface);border-radius:18px;flex-direction:column;gap:10px;margin-top:4px;padding:16px;display:flex;box-shadow:inset 0 0 0 1px #7f7f7f1f}.cloze-result--correct{background:#157a521a;box-shadow:inset 0 0 0 1px #157a5247}.cloze-result--wrong{background:#d134381a;box-shadow:inset 0 0 0 1px #d1343842}.cloze-result-title{margin:0;font-size:1.08rem;font-weight:700}.cloze-result--correct .cloze-result-title{color:var(--lp-good)}.cloze-result--wrong .cloze-result-title{color:var(--lp-destructive)}.cloze-result-answer{margin:0;font-size:.9rem;line-height:1.4}.cloze-explanation{border-top:1px solid #7f7f7f24;padding-top:10px}.cloze-explanation-text{color:var(--lp-hint);overflow-wrap:anywhere;white-space:pre-wrap;margin:4px 0 0;font-size:.88rem;line-height:1.45}.cloze-result-status{color:var(--lp-hint);text-align:center;margin:0;font-size:.84rem}@media (width>=640px){.card-view{gap:18px}.view-value{font-size:1.05rem}}.type-badge{color:#fff;letter-spacing:.01em;white-space:nowrap;border-radius:999px;align-items:center;gap:5px;padding:4px 10px;font-size:.68rem;font-weight:700;line-height:1.35;display:inline-flex}.type-badge--vocab{background:#2563b8}.type-badge--opposite{background:#8b5cf6}.type-badge--cloze{background:#b26a00}.home-header{margin-bottom:22px}.home-header h1{font-size:clamp(1.8rem,7vw,2.35rem);line-height:1.15}.home-error{color:var(--lp-destructive);background:#d134381f;border-radius:14px;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;padding:12px 14px;font-size:.85rem;line-height:1.4;display:flex}.home-error p{margin:0}.home-grid{grid-template-columns:minmax(0,1fr);gap:12px;display:grid}.home-tile{background:var(--lp-surface);min-height:92px;color:inherit;border-radius:20px;align-items:center;gap:14px;padding:18px;text-decoration:none;transition:transform .12s;display:flex;box-shadow:inset 0 0 0 1px #7f7f7f1a}.home-tile:active{transform:scale(.985)}.home-tile-icon{width:48px;height:48px;color:var(--lp-accent);background:#7f7f7f1a;border-radius:15px;flex:none;place-items:center;display:grid}.home-tile-body{flex-direction:column;flex:1;gap:3px;min-width:0;display:flex}.home-tile-title{font-size:1.05rem;font-weight:650;line-height:1.25}.home-tile-hint{color:var(--lp-hint);font-size:.8rem;line-height:1.35}.home-tile-arrow{color:var(--lp-hint);opacity:.7;flex:none}.home-tile--primary{background:var(--lp-button);min-height:112px;color:var(--lp-button-text);padding:20px;box-shadow:0 14px 34px #00000029}.home-tile--primary .home-tile-icon{width:54px;height:54px;color:inherit;background:#ffffff2e}.home-tile--primary .home-tile-hint{color:inherit;opacity:.82}.home-tile--primary .home-tile-arrow{color:inherit;opacity:.85}@media (width>=1024px){.home-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.home-tile{min-height:150px}.home-tile--primary{grid-column:1/-1;min-height:140px;padding:26px}.home-tile--primary .home-tile-icon{width:60px;height:60px}.home-tile--primary .home-tile-title{font-size:1.35rem}.home-tile--primary .home-tile-hint{font-size:.95rem}}.heatmap-panel{border-radius:var(--lp-radius);background:var(--lp-surface);margin-top:14px;padding:16px;box-shadow:inset 0 0 0 1px #7f7f7f1a}.heatmap-head{justify-content:space-between;align-items:center;gap:10px;display:flex}.heatmap-head h2{margin:0;font-size:.95rem;font-weight:650}.heatmap-year-nav{align-items:center;gap:4px;display:flex}.heatmap-year{min-width:3.6ch;color:var(--lp-text);font-variant-numeric:tabular-nums;text-align:center;font-size:.82rem;font-weight:700}.heatmap-scroll{-webkit-overflow-scrolling:touch;margin-top:8px;padding-bottom:4px;overflow-x:auto}.heatmap-canvas{min-width:100%;display:inline-block}.heatmap-months{align-items:end;gap:2px;height:16px;display:grid}.heatmap-month{color:var(--lp-hint);white-space:nowrap;font-size:.62rem;line-height:1;overflow:visible}.heatmap-grid{grid-auto-rows:12px;gap:2px;margin-top:2px;display:grid}.heatmap-weekday{color:var(--lp-hint);text-align:right;white-space:nowrap;padding-right:4px;font-size:.6rem;line-height:12px}.heatmap-cell{cursor:pointer;background:#7f7f7f21;border:0;border-radius:3px;width:12px;height:12px;padding:0}.heatmap-cell--0{background:#7f7f7f21}.heatmap-cell--1{background:#157a5247}.heatmap-cell--2{background:#157a5275}.heatmap-cell--3{background:#157a52b3}.heatmap-cell--4{background:var(--lp-good)}.heatmap-cell--blank{cursor:default;background:0 0}.heatmap-cell--selected{outline:2px solid var(--lp-accent);outline-offset:1px}.heatmap-cell:hover{filter:brightness(1.18)}.heatmap-selected{min-height:1.25em;color:var(--lp-text);margin:8px 0 0;font-size:.8rem;line-height:1.4}.heatmap-summary{color:var(--lp-hint);margin:6px 0 0;font-size:.76rem;line-height:1.5}.heatmap-empty{margin:6px 0 0}.heatmap-status{color:var(--lp-hint);flex-direction:column;align-items:center;gap:10px;padding:24px 8px;font-size:.82rem;display:flex}@media (width>=1024px){.heatmap-panel{padding:18px}}.counts-legend{max-width:100%;color:var(--lp-hint);flex-wrap:wrap;align-items:center;gap:4px;font-size:.76rem;font-weight:550;display:inline-flex}.info-tip{flex:none;align-items:center;display:inline-flex;position:relative}.metric--scheduled{background:#8b5cf624;align-items:center;gap:4px;display:inline-flex}.info-button{width:26px;height:26px;color:var(--lp-hint);cursor:pointer;background:0 0;border:0;border-radius:50%;place-items:center;padding:0;display:grid;position:relative}.info-button:before{content:"";position:absolute;inset:-9px}.info-button:hover{color:var(--lp-accent)}.info-tooltip-fixed{z-index:200;background:var(--lp-surface);max-height:calc(100dvh - 16px);color:var(--lp-text);text-align:left;white-space:normal;overflow-wrap:anywhere;pointer-events:none;border-radius:12px;padding:10px 12px;font-size:.76rem;font-weight:450;line-height:1.45;display:block;position:fixed;box-shadow:0 12px 32px #0000002e,inset 0 0 0 1px #7f7f7f29}.card-controls{border-radius:var(--lp-radius);background:var(--lp-surface);margin-bottom:12px;padding:12px;box-shadow:inset 0 0 0 1px #7f7f7f1a}.card-toolbar{align-items:center;gap:8px;display:flex}.card-search{min-height:44px;color:var(--lp-hint);background:#7f7f7f17;border-radius:12px;flex:1;align-items:center;gap:8px;padding:0 12px;display:flex;box-shadow:inset 0 0 0 1px #7f7f7f24}.card-search-input{min-width:0;min-height:42px;color:var(--lp-text);font:inherit;background:0 0;border:0;outline:none;flex:1;padding:0;font-size:.9rem}.card-search-input::-webkit-search-cancel-button{display:none}.card-search-clear{width:30px;height:30px;color:var(--lp-hint);cursor:pointer;background:#7f7f7f1f;border:0;border-radius:50%;flex:none;place-items:center;padding:0;display:grid;position:relative}.card-search-clear:before{content:"";position:absolute;inset:-7px}.filter-count{background:var(--lp-button);min-width:18px;height:18px;color:var(--lp-button-text);border-radius:999px;justify-content:center;align-items:center;padding:0 5px;font-size:.66rem;font-weight:700;line-height:1;display:inline-flex}.card-filters{flex-direction:column;gap:12px;margin-top:12px;display:none}.card-filters--open{display:flex}.filter-group{flex-direction:column;gap:6px;min-width:0;display:flex}.filter-label{color:var(--lp-hint);letter-spacing:.06em;text-transform:uppercase;font-size:.7rem;font-weight:700}.chip-row{flex-wrap:wrap;gap:6px;display:flex}.chip{min-height:44px;color:var(--lp-text);font:inherit;cursor:pointer;background:#7f7f7f17;border:0;border-radius:999px;align-items:center;gap:6px;padding:8px 12px;font-size:.78rem;font-weight:550;display:inline-flex;box-shadow:inset 0 0 0 1px #7f7f7f29}.chip--active{background:var(--lp-button);color:var(--lp-button-text);box-shadow:none}.sort-controls{align-items:center;gap:8px;display:flex}.filter-select{flex:1;min-width:0}.sort-direction{flex:none}.card-result-row{color:var(--lp-hint);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-top:10px;font-size:.78rem;display:flex}.card-result-count{font-variant-numeric:tabular-nums}.active-filter-info{align-items:center;gap:4px;display:inline-flex}.link-button{min-height:44px;color:var(--lp-accent);font:inherit;cursor:pointer;background:0 0;border:0;align-items:center;padding:0 4px;font-size:.78rem;font-weight:650;text-decoration:underline;display:inline-flex}@media (width>=1024px){.card-controls{padding:14px 16px}.card-search{max-width:380px}.filter-toggle{display:none}.card-filters{flex-flow:wrap;align-items:flex-end;gap:16px;display:flex}.filter-group{flex:0 auto}.filter-group--sort{margin-left:auto}.filter-select{min-width:160px}}.flag-chip{color:var(--lp-hint);white-space:nowrap;align-items:center;gap:4px;font-size:.78rem;line-height:1.2;display:inline-flex}.flag-chip-name{text-overflow:ellipsis;overflow:hidden}.card-badge-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.deck-detail-meta{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.field-error{color:var(--lp-destructive);font-size:.76rem;font-weight:550;line-height:1.4}.form-warning{color:#b26a00;background:#b26a0024;border-radius:12px;margin:10px 0;padding:10px 12px;font-size:.8rem;line-height:1.45}.deck-danger-zone{align-items:center;margin-left:auto;padding-left:16px;display:flex}.deck-delete{color:var(--lp-destructive);background:#d1343824;box-shadow:inset 0 0 0 1px #d134383d}@media (width<=420px){.deck-danger-zone{padding-left:16px}.counts-legend{width:100%}}.chip--active .flag-chip{color:inherit}@media (width<=360px){.sort-controls{flex-wrap:wrap}.sort-controls .filter-select{flex-basis:100%}}.info-legend{flex-direction:column;gap:7px;display:flex}.info-legend-line{display:block}.info-legend-line strong{color:var(--lp-text);font-weight:700}