/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000}::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--tw-border-style:solid;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before{box-sizing:border-box;border:0 solid;margin:0;padding:0}::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){-webkit-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.start{inset-inline-start:var(--spacing)}.end{inset-inline-end:var(--spacing)}.isolate{isolation:isolate}.contents{display:contents}.table{display:table}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.border{border-style:var(--tw-border-style);border-width:1px}.ring{--tw-ring-shadow:var(--tw-ring-inset,) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}}:root{--ink:#19251f;--muted:#68746d;--paper:#f4f1e8;--card:#fffef9;--green:#28664a;--green2:#3b785a;--line:#d8ddd7;--amber:#d79442;--red:#a84c43;--shadow:0 20px 55px #30423817}*{box-sizing:border-box}body{background:var(--paper);color:var(--ink);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,textarea,select{font:inherit}button{cursor:pointer}a{color:var(--green)}.app-shell{background:radial-gradient(circle at 50% -20%,#fff 0,transparent 38%),var(--paper);min-height:100vh}.topbar{border-bottom:1px solid var(--line);z-index:30;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffef9eb;grid-template-columns:1fr auto 1fr;align-items:center;height:72px;padding:0 32px;display:grid;position:sticky;top:0}.brand{letter-spacing:.13em;align-items:center;gap:10px;font-size:13px;display:flex}.brand b{color:var(--green)}.brand-mark{color:#fff;background:var(--green);border-radius:50%;place-items:center;width:34px;height:34px;font:700 20px Georgia,serif;display:grid}.nav-plain{text-align:left;background:0 0;border:0;padding:0}.topbar nav{background:#ebece6;border-radius:12px;gap:3px;padding:4px;display:flex}.topbar nav button{color:var(--muted);text-transform:capitalize;background:0 0;border:0;border-radius:9px;padding:8px 13px;font-size:11px}.topbar nav button.active{background:var(--card);color:var(--green);box-shadow:0 1px 4px #00000012}.top-stats{color:#8d571f;justify-self:end;align-items:center;gap:15px;font-size:11px;font-weight:750;display:flex}.avatar{width:38px;height:38px;color:var(--green);background:#dfe8e1;border:0;border-radius:50%;font-weight:800}.page{max-width:1180px;margin:auto;padding:46px 32px 72px}.page-heading{margin-bottom:30px}.page-heading h1,.welcome h1{letter-spacing:-.035em;font:700 clamp(36px,5vw,58px)/1.04 Georgia,serif}.page-heading h1{margin:8px 0 10px}.page-heading p,.welcome p{max-width:680px;color:var(--muted);line-height:1.65}.eyebrow{color:var(--green2);letter-spacing:.15em;font-size:10px;font-weight:850;display:block}.section-title{justify-content:space-between;align-items:end;gap:20px;margin:32px 0 17px;display:flex}.section-title h2{margin:6px 0 0;font:700 28px/1.15 Georgia,serif}.section-title.page-heading{align-items:start;margin-top:0}.primary,.secondary,.text-action,.notice button,.deck-card button{border-radius:9px;font-weight:800}.primary,.notice button,.deck-card>button,.deck-actions button:first-child{background:var(--green);color:#fff;border:0;padding:11px 16px}.secondary{border:1px solid var(--green);color:var(--green);background:0 0;padding:10px 15px}.secondary.wide{width:100%;margin-top:10px}.text-action{color:var(--green);background:0 0;border:0;padding:6px}.welcome{border:1px solid var(--line);box-shadow:var(--shadow);background:linear-gradient(135deg,#fffef9,#e8f0e8);border-radius:24px;grid-template-columns:1fr 220px;align-items:center;gap:50px;padding:42px;display:grid}.welcome h1{max-width:720px;margin:10px 0 17px}.actions{gap:10px;margin-top:25px;display:flex}.mastery-ring{text-align:center;background:radial-gradient(circle closest-side,#f7f8f1 78%,transparent 79% 99%),conic-gradient(var(--green) var(--progress),#dce3dd 0);border-radius:50%;place-content:center;width:180px;height:180px;margin:auto;display:grid}.mastery-ring strong{font:700 42px Georgia,serif}.mastery-ring span{color:var(--muted);font-size:11px}.metric-grid{grid-template-columns:repeat(6,1fr);gap:12px;margin:18px 0;display:grid}.metric{border:1px solid var(--line);background:#fffef9c7;border-radius:14px;padding:18px}.metric span,.metric small,.metric strong{display:block}.metric span{color:var(--muted);font-size:10px}.metric strong{margin:8px 0 4px;font:700 21px Georgia,serif}.metric small{color:var(--muted);font-size:9px}.progress-card{border:1px solid var(--line);background:var(--card);border-radius:18px;padding:25px 28px}.progress-card .section-title{margin:0 0 22px}.overall-progress+.overall-progress{margin-top:19px}.overall-progress>div:first-child{grid-template-columns:auto 1fr auto;align-items:center;gap:15px;font-size:11px;display:grid}.overall-progress span{color:var(--muted)}.bar,.mini-bar{background:#dce1dc;border-radius:10px;height:7px;margin-top:8px;overflow:hidden}.bar i,.mini-bar i{border-radius:inherit;background:var(--green);height:100%;display:block}.notice{background:#f8ead2;border:1px solid #dec79d;border-radius:14px;justify-content:space-between;align-items:center;margin:20px 0;padding:18px 22px;display:flex}.notice p{color:#785226;margin:3px 0 0;font-size:11px}.notice-text{color:var(--green);background:#e9f2ec;border-radius:8px;padding:10px;font-size:12px}.deck-grid{grid-template-columns:repeat(4,1fr);gap:14px;display:grid}.deck-grid.all-decks{grid-template-columns:repeat(3,1fr)}.deck-card{border:1px solid var(--line);background:var(--card);border-radius:16px;padding:19px;box-shadow:0 8px 24px #3042380d}.deck-card>div:first-child{justify-content:space-between;align-items:center;display:flex}.deck-number{width:35px;height:35px;color:var(--green);background:#e3ece5;border-radius:50%;place-items:center;font:700 17px Georgia,serif;display:grid}.status,.word-status{color:var(--muted);text-transform:capitalize;background:#eceeea;border-radius:999px;padding:5px 8px;font-size:9px;font-weight:800}.deck-card.review_due .status{color:#88531d;background:#f8e2bd}.deck-card.mastered .status,.word-status.mastered{color:var(--green);background:#dcece1}.deck-card h3{margin:18px 0 5px;font:700 22px Georgia,serif}.deck-card p{color:var(--muted);margin:0 0 12px;font-size:10px}.deck-card .due{color:#8d571f}.deck-card>button{width:100%;margin-top:14px}.deck-actions{grid-template-columns:1fr auto;gap:7px;margin-top:14px;display:grid!important}.deck-actions button{border-radius:8px;padding:9px 12px}.danger-quiet{color:var(--red);background:0 0;border:1px solid #d9b8b3}.deck-journey{grid-template-columns:repeat(4,minmax(0,1fr));margin:0 0 16px;padding:1px 4px 0;display:grid;position:relative}.deck-journey:before{content:"";background:#d7dcd8;height:2px;position:absolute;top:9px;left:12.5%;right:12.5%}.deck-journey>div{z-index:1;text-align:center;min-width:0;padding:23px 3px 0;position:relative}.deck-journey>div:before{content:"";border:3px solid var(--card);background:#cbd1cd;border-radius:50%;width:14px;height:14px;position:absolute;top:2px;left:50%;transform:translate(-50%);box-shadow:0 0 0 1px #bdc5bf}.deck-journey span,.deck-journey strong{display:block}.deck-journey span{color:#7b867f;letter-spacing:.08em;text-transform:uppercase;font-size:7px;font-weight:850}.deck-journey strong{overflow-wrap:anywhere;margin-top:3px;font-size:9px;line-height:1.25}.deck-journey .not-started:before{background:#fff;border-color:#fff;box-shadow:0 0 0 2px #b86158}.deck-journey .not-started strong{color:#93483f}.deck-journey .active:before{background:#e3aa55;box-shadow:0 0 0 1px #c98632}.deck-journey .climbing:before{background:#236848;width:17px;height:17px;top:0;box-shadow:0 0 0 3px #bcd5c6}.deck-journey .climbing strong{color:#205e42}.deck-journey .done:before{background:#67a17e;box-shadow:0 0 0 1px #4e8768}.deck-journey .done strong{color:var(--green)}.deck-journey .idle{opacity:.58}.deck-journey .retention-pending:before{background:#fff8e6;box-shadow:0 0 0 2px #c89b47}.deck-journey .retention-pending strong{color:#8e6a2d}.deck-journey .mastered:before{background:#d8a33f;box-shadow:0 0 0 2px #9e742c}.deck-journey .mastered strong{color:#79561f}.deck-journey.compact{margin:15px 0 7px}.deck-journey.compact span{font-size:6px}.deck-journey.compact strong{font-size:8px}.study-layout{grid-template-columns:210px minmax(460px,740px) 270px;align-items:start;gap:clamp(18px,3vw,42px);max-width:1400px;margin:auto;padding:38px 34px 64px;display:grid}.waterfall-panel,.settings-panel{position:sticky;top:100px}.back-link{color:var(--green);background:0 0;border:0;margin:0 0 22px;padding:0;font-size:11px}.waterfall-panel h2,.settings-panel h2{margin:7px 0 3px;font:700 24px/1.2 Georgia,serif}.muted{color:var(--muted);margin:0 0 27px;font-size:12px}.piles{position:relative}.piles:before{content:"";background:#cdd2cc;width:1px;position:absolute;top:14px;bottom:14px;left:14px}.pile{grid-template-columns:30px 1fr;align-items:center;gap:11px;margin-bottom:18px;display:grid;position:relative}.pile-dot{z-index:1;border:4px solid var(--paper);color:#6a746e;background:#e4e6e1;border-radius:50%;place-items:center;width:29px;height:29px;font-size:10px;font-weight:800;display:grid}.pile.know .pile-dot{color:var(--green);background:#d7e7dc}.pile.struggle .pile-dot{color:#9b5b1c;box-shadow:0 0 0 2px var(--amber);background:#f4dec1}.pile strong,.pile small,.saved small{display:block}.pile strong{font-size:11px}.pile small{color:var(--muted);margin-top:2px;font-size:10px}.saved{color:var(--green);background:#eaf2ec;border:1px solid #cadace;border-radius:10px;margin-top:27px;padding:12px;font-size:11px}.saved small{color:var(--muted);margin:3px 0 0 17px}.session-row{grid-template-columns:auto minmax(100px,1fr) auto;align-items:end;gap:18px;margin-bottom:14px;display:grid}.session-row strong{margin-top:4px;font:700 17px Georgia,serif;display:block}.progress{background:#d6dbd5;border-radius:10px;height:5px;margin-bottom:5px;overflow:hidden}.progress span{background:var(--green);height:100%;display:block}.session-accuracy{color:var(--muted);align-self:center;font-size:10px;font-weight:750}.flashcard{background:var(--card);box-shadow:var(--shadow);border:1px solid #d8dad3;border-radius:22px;padding:clamp(24px,4vw,50px)}.card-meta{color:#829087;letter-spacing:.13em;justify-content:space-between;align-items:center;font-size:9px;font-weight:800;display:flex}.prompt{text-align:center;padding:30px 0 34px}.prompt i{color:var(--green2);font-family:Georgia,serif}.prompt h1{letter-spacing:-.03em;margin:4px 0 12px;font:700 clamp(42px,6vw,66px)/1.05 Georgia,serif}.prompt p{max-width:520px;color:var(--muted);margin:auto;font-size:13px;line-height:1.55}.answer-field+.answer-field{margin-top:16px}.answer-field label{margin-bottom:7px;font-size:11px;font-weight:800;display:block}.answer-field textarea{resize:vertical;width:100%;color:var(--ink);background:#fafaf6;border:1px solid #cbd1cb;border-radius:11px;outline:none;padding:14px;line-height:1.5}.answer-field textarea:focus{border-color:#3d8060;box-shadow:0 0 0 3px #3d80601f}.clue-box{background:#f4f7f2;border:1px solid #d7ddd8;border-radius:11px;margin:-7px 0 24px;padding:14px 16px}.clue-box p{color:#49564f;margin:0;font-size:12px;line-height:1.55}.clue-box p+p{margin-top:8px}.check{background:var(--green);color:#fff;border:0;border-radius:10px;width:100%;margin-top:17px;padding:14px;font-weight:800;box-shadow:0 7px 16px #28664a2e}.check:disabled{cursor:not-allowed;box-shadow:none;background:#aeb8b1}.shortcut{color:#8a948e;text-align:center;margin-top:9px;font-size:9px;display:block}.inline-error{color:#9a332b;margin:12px 0 0;font-size:11px}.feedback-card{border:1px solid #bcd3c4;border-left:4px solid var(--green);background:#edf5ef;border-radius:11px;margin-top:17px;padding:17px}.feedback-card.partial{border-color:#e1c38f;border-left-color:var(--amber);background:#fbf1e1}.feedback-card.incorrect{border-color:#d9b4af;border-left-color:var(--red);background:#faece9}.feedback-title{gap:11px;display:flex}.feedback-title>span{background:var(--green);color:#fff;border-radius:50%;flex:none;place-items:center;width:25px;height:25px;font-size:11px;display:grid}.feedback-card.partial .feedback-title>span{background:var(--amber)}.feedback-card.incorrect .feedback-title>span{background:var(--red)}.feedback-title b{font-size:12px}.feedback-title p,.field-feedback{color:var(--muted);margin:4px 0 0;font-size:11px;line-height:1.5}.field-feedback{padding-left:36px}.learning-source{background:#fffef9b8;border-radius:9px;margin-top:14px;padding:14px}.learning-source span{color:var(--green2);letter-spacing:.12em;margin:11px 0 3px;font-size:8px;font-weight:850;display:block}.learning-source span:first-child{margin-top:0}.learning-source p{margin:0;font:14px/1.5 Georgia,serif}.complete-card{text-align:center}.completion-mark{width:58px;height:58px;color:var(--green);background:#dcece1;border-radius:50%;place-items:center;margin:6px auto 18px;font-size:28px;font-weight:900;display:grid}.complete-card h1,.center-state h1{margin:10px 0;font:700 36px/1.1 Georgia,serif}.complete-card p,.center-state p{max-width:520px;color:var(--muted);margin-left:auto;margin-right:auto;line-height:1.6}.settings-panel{background:#fffef9d1;border:1px solid #d7dad4;border-radius:15px;padding:20px}.settings-panel h2{margin:0 0 22px;font-size:19px}.settings-panel label{margin:16px 0 7px;font-size:10px;font-weight:800;display:block}.settings-panel select,.section-title select{width:100%;color:var(--ink);background:#fff;border:1px solid #d3d8d3;border-radius:8px;padding:10px;font-size:10px}.segments{border:1px solid #d3d8d3;border-radius:8px;grid-template-columns:repeat(3,1fr);display:grid;overflow:hidden}.segments button{color:var(--muted);text-transform:capitalize;background:#fff;border:0;border-right:1px solid #d3d8d3;padding:9px 2px;font-size:9px}.segments button:last-child{border:0}.segments .active{background:var(--green);color:#fff}.setting-note{color:var(--muted);font-size:9px;line-height:1.5}.settings-panel hr{border:0;border-top:1px solid var(--line);margin:22px 0}.review{margin:7px 0 0;font-size:11px}.review b,.review small{display:block}.review small{color:var(--muted);margin-top:4px;font-size:9px}.reverse-setting{background:#f2f6f2;border:1px solid #d6dfd8;border-radius:9px;margin-top:18px;padding:12px}.reverse-setting b{font-size:10px}.reverse-setting p{color:var(--muted);margin:5px 0 0;font-size:9px;line-height:1.5}.filters{grid-template-columns:1fr 180px auto;align-items:center;gap:10px;margin-bottom:15px;display:grid}.filters input,.filters select,.form-grid input,.form-grid textarea,.form-grid select{width:100%;color:var(--ink);background:#fff;border:1px solid #cdd3ce;border-radius:9px;padding:11px}.filters span{color:var(--muted);font-size:11px}.vocab-table{border:1px solid var(--line);background:var(--card);border-radius:14px;overflow:hidden}.vocab-head,.vocab-row{grid-template-columns:180px 1fr 110px 52px;align-items:center;gap:18px;padding:13px 17px;display:grid}.vocab-head{color:var(--muted);text-transform:uppercase;background:#e9ede7;font-size:9px;font-weight:850}.vocab-row{border-top:1px solid #e6e9e4}.vocab-row b,.vocab-row small{display:block}.vocab-row small{color:var(--muted);margin-top:4px;font-size:9px}.vocab-row p{margin:0 0 3px;font:14px/1.45 Georgia,serif}.vocab-row>button{color:var(--green);background:0 0;border:0;padding:6px;font-size:10px;font-weight:800}.word-status.struggling{color:var(--red);background:#fae1dc}.word-status.review_due{color:#88531d;background:#f7e2bd}.modal-backdrop{z-index:50;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#14221bb8;place-items:center;padding:22px;display:grid;position:fixed;inset:0}.editor-panel{background:var(--card);border-radius:18px;width:min(720px,100%);max-height:92vh;padding:27px;overflow:auto;box-shadow:0 30px 80px #0006}.editor-panel .section-title{margin:0 0 20px}.close{border:1px solid var(--line);background:#fff;border-radius:50%;width:35px;height:35px;font-size:20px}.form-grid{grid-template-columns:1fr 1fr;gap:14px;display:grid}.form-grid label{font-size:10px;font-weight:800}.form-grid label input,.form-grid label textarea,.form-grid label select{margin-top:6px;font-weight:400;display:block}.form-grid .full{grid-column:1/-1}.editor-actions{justify-content:flex-end;gap:9px;margin-top:20px;display:flex}.history-list{gap:15px;display:grid}.history-card{border:1px solid var(--line);border-left:4px solid var(--green);background:var(--card);border-radius:15px;padding:22px}.history-card.partial{border-left-color:var(--amber)}.history-card.incorrect{border-left-color:var(--red)}.history-card header{justify-content:space-between;gap:20px;display:flex}.history-card h2{margin:0 10px;font:700 25px Georgia,serif;display:inline}.history-card header>span,.history-card small{color:var(--muted);font-size:9px}.history-answers{background:#f4f5f0;border-radius:10px;margin-top:17px;padding:14px}.history-answers p{margin:5px 0;font-size:11px;line-height:1.5}.empty{text-align:center;border:1px dashed #bdc7bf;border-radius:18px;padding:60px}.empty h2{font:700 28px Georgia,serif}.empty p{color:var(--muted)}.center-state{text-align:center;background:var(--paper);place-content:center;justify-items:center;min-height:100vh;padding:24px;display:grid}.center-state button{background:var(--green);color:#fff;border:0;border-radius:9px;padding:10px 18px;font-weight:750}.spinner{border:3px solid #d3d9d4;border-top-color:var(--green);border-radius:50%;width:32px;height:32px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width:1100px){.metric-grid{grid-template-columns:repeat(3,1fr)}.study-layout{grid-template-columns:180px minmax(0,1fr)}.settings-panel{display:none}.deck-grid,.deck-grid.all-decks{grid-template-columns:repeat(3,1fr)}}@media (max-width:760px){.topbar{grid-template-columns:1fr auto;height:auto;min-height:64px;padding:10px 15px}.topbar nav{order:3;grid-column:1/-1;width:100%;margin-top:8px}.topbar nav button{flex:1;padding:7px}.top-stats>span{display:none}.page{padding:28px 14px 55px}.welcome{grid-template-columns:1fr;padding:25px}.mastery-ring{width:145px;height:145px}.metric-grid{grid-template-columns:repeat(2,1fr)}.deck-grid,.deck-grid.all-decks{grid-template-columns:1fr 1fr}.study-layout{padding:20px 14px 45px;display:block}.waterfall-panel{margin-bottom:15px;position:static}.waterfall-panel h2,.waterfall-panel .muted,.piles,.saved{display:none}.session-row{grid-template-columns:1fr auto}.session-row .progress{grid-area:2/1/auto/-1}.flashcard{border-radius:16px;padding:22px 17px}.prompt{padding:22px 0 26px}.prompt h1{font-size:42px}.vocab-head{display:none}.vocab-row{grid-template-columns:1fr auto;padding:15px}.vocab-row>div:nth-child(2){grid-column:1/-1}.vocab-row>button{grid-area:1/2}.filters,.form-grid{grid-template-columns:1fr}.form-grid .full{grid-column:auto}.history-card header{display:block}.history-card header>span{margin-top:8px;display:block}.section-title.page-heading{display:block}.section-title.page-heading>button{margin-top:14px}.actions{flex-wrap:wrap}}@media (max-width:480px){.deck-grid,.deck-grid.all-decks{grid-template-columns:1fr}.metric-grid{grid-template-columns:1fr 1fr}.overall-progress>div:first-child{grid-template-columns:auto auto}.overall-progress span{grid-area:2/1/auto/-1}.welcome h1,.page-heading h1{font-size:36px}}.pile-summary{gap:8px;display:grid}.pile-button{width:100%;color:var(--ink);text-align:left;background:0 0;border:1px solid #0000;border-radius:10px;grid-template-columns:32px 1fr;align-items:center;gap:10px;padding:9px;display:grid}.pile-button:hover{border-color:var(--line);background:#fffef9}.pile-button>span{color:#66716b;background:#e4e6e1;border-radius:50%;place-items:center;width:30px;height:30px;font-weight:850;display:grid}.pile-button.known>span{color:var(--green);background:#d7e7dc}.pile-button.struggling>span{color:#9b5b1c;background:#f4dec1}.pile-button.unseen>span{color:#717b75;background:#eceeea}.pile-button.working>span{color:var(--green);background:#dce8e0;box-shadow:0 0 0 2px #8eb19a}.pile-button.current-level{background:#edf4ef;border-color:#92b39e}.pile-button.current-level>span{color:#fff;background:#2f7454;box-shadow:0 0 0 3px #c6dccd}.pile-button.current-level strong{color:#215c42}.pile-button.climbed{background:#f2f7f3}.pile-button.climbed>span{color:#fff;background:#5b9173}.pile-button.climbed strong{color:#397257}.pile-button.waiting{opacity:.65}.pile-button.waiting>span{color:#7a837e;background:#e7e9e5}.pile-button strong,.pile-button small,.pile-button em{display:block}.pile-button strong{font-size:11px}.pile-button small{color:var(--muted);margin-top:2px;font-size:9px}.pile-button em{color:var(--green2);margin-top:3px;font-size:8px;font-style:normal;line-height:1.35}.pass-summary{border-top:1px solid var(--line);margin:18px 0 0;padding:11px}.pass-summary span,.pass-summary small{display:block}.pass-summary span{color:var(--green2);letter-spacing:.11em;margin-bottom:5px;font-size:8px;font-weight:850}.pass-summary small{color:var(--muted);margin:3px 0;font-size:9px;line-height:1.45}.answer-actions{grid-template-columns:90px 90px 1fr;align-items:end;gap:10px;margin-top:17px;display:grid}.answer-actions .check{margin-top:0}.pass-button,.clue-button{border-radius:10px;padding:14px;font-weight:800}.pass-button{color:#8d571f;background:#fff9ef;border:1px solid #bf8b55}.clue-button{color:var(--green);background:#f2f7f3;border:1px solid #769a83}.pass-button:disabled,.clue-button:disabled{cursor:not-allowed;opacity:.55}.vocab-row .library-example{color:#536058;margin:7px 0;font:italic 11px/1.45 Georgia,serif}.word-status.known{color:var(--green);background:#dcece1}.word-status.unseen{color:var(--muted);background:#eceeea}.deck-word-panel{width:min(760px,100%)}.deck-word-list{gap:10px;display:grid}.deck-word-list article{border:1px solid var(--line);background:#fafaf6;border-radius:12px;padding:15px}.deck-word-list header{justify-content:space-between;align-items:start;display:flex}.deck-word-list h3{margin:0;font:700 20px Georgia,serif}.deck-word-list header small{color:var(--muted);font-size:9px}.deck-word-list p{margin:9px 0 7px;font:14px/1.45 Georgia,serif}.deck-word-list blockquote{color:#58655e;border-left:2px solid #b8cdbd;margin:0;padding-left:11px;font-size:11px;line-height:1.5}.empty.compact{padding:24px}.waterfall-guide{background:#edf4ef;border:1px solid #cadace;border-radius:10px;margin:18px 0 0;padding:13px}.waterfall-guide span,.waterfall-guide strong,.waterfall-guide small{display:block}.waterfall-guide span{color:var(--green2);letter-spacing:.11em;margin-bottom:6px;font-size:8px;font-weight:850}.waterfall-guide strong{font-size:11px;line-height:1.35}.waterfall-guide p{color:#4f5e56;margin:6px 0;font-size:9px;line-height:1.45}.waterfall-guide small{color:var(--green2);font-size:9px;line-height:1.45}@media (max-width:760px){.waterfall-panel h2,.waterfall-panel .muted,.saved,.pass-summary{display:none}.pile-summary{grid-template-columns:repeat(auto-fit,minmax(88px,1fr));gap:6px;margin-top:8px}.pile-button{text-align:center;padding:7px;display:block}.pile-button>span{margin:auto}.pile-button strong{margin-top:4px}.pile-button small{font-size:8px}.pile-button em{display:none}.waterfall-guide{text-align:left;margin-top:10px}.answer-actions{grid-template-columns:1fr 1fr}.answer-actions .check{grid-column:1/-1}.modal-backdrop{padding:10px}.editor-panel{padding:19px}}.meaning-label{color:var(--green2);letter-spacing:.14em;margin-bottom:10px;font-size:10px;font-weight:850;display:block}.reverse-prompt{padding-top:24px}.reverse-prompt h1{max-width:660px;margin:0 auto 15px;font-size:clamp(30px,4.7vw,52px);line-height:1.12}.learning-source .source-word{color:var(--green);font:700 30px/1.15 Georgia,serif}.waterfall-panel>.muted{margin-top:7px}.flashcard{scroll-margin-top:96px}.profile-card{text-align:left;background:var(--surface,#fff);border-radius:20px;max-width:520px;padding:32px}.profile-card form{gap:12px;margin:24px 0;display:grid}.profile-card input{font:inherit;border:1px solid #ccd0d7;border-radius:8px;padding:14px}.profile-card button{border-radius:8px;padding:14px}.profile-note{color:#555;font-size:.9rem}.top-stats .text-action{overflow-wrap:anywhere;max-width:220px}.account-card{background:var(--card);border:1px solid var(--line);width:min(520px,100vw - 32px);box-shadow:var(--shadow)}.account-brand{align-items:center;gap:12px;display:flex}.account-card h1{margin:22px 0 12px;font:700 36px/1.1 Georgia,serif}.account-card p{color:var(--muted);line-height:1.6}.account-tabs{background:#ebece6;border-radius:10px;margin-top:22px;padding:4px;display:flex}.account-tabs button{color:var(--muted);background:0 0;border:0;flex:1;padding:10px;font-weight:750}.account-tabs button.selected{background:var(--card);color:var(--green);box-shadow:0 1px 4px #00000012}.account-card label{font-size:14px;font-weight:650}.account-card small{color:var(--muted);margin-top:-5px;font-size:12px;line-height:1.5}.account-card .account-check{align-items:flex-start;gap:10px;margin-top:8px;font-size:13px;font-weight:400;line-height:1.45;display:flex}.account-check input{flex-shrink:0;width:16px;height:16px;margin-top:2px}.account-card button:disabled{opacity:.6;cursor:wait}.account-card .account-error{color:var(--red);margin:0}.account-name{color:var(--ink);text-overflow:ellipsis;max-width:120px;overflow:hidden}.progress-owner{border-bottom:1px solid var(--line);color:var(--green);overflow-wrap:anywhere;background:#edf4ef;align-items:center;gap:9px;padding:12px 32px;font-size:15px;line-height:1.4;display:flex}.progress-owner strong{font-weight:800}.profile-dot{background:var(--green);border-radius:50%;flex-shrink:0;width:8px;height:8px}@media (max-width:760px){.progress-owner{padding:11px 15px}}.site-title{letter-spacing:.035em;white-space:nowrap;color:var(--ink);font-size:26px;font-weight:800;line-height:1.15}.site-title b{color:var(--green)}.brand,.account-brand{gap:12px}.brand .brand-mark,.account-brand .brand-mark{flex-shrink:0;width:44px;height:44px;font-size:26px}@media (min-width:761px) and (max-width:960px){.topbar{grid-template-columns:1fr auto;gap:12px;height:auto;min-height:80px;padding:16px 24px}.topbar nav{order:3;grid-column:1/-1;justify-self:center}}@media (max-width:760px){.site-title{font-size:22px}.brand .brand-mark,.account-brand .brand-mark{width:38px;height:38px;font-size:23px}.brand,.account-brand{gap:10px}}@media (max-width:380px){.site-title{font-size:20px}.account-card{padding:24px}.top-stats{grid-column:1/-1;margin-top:8px}.top-stats .text-action{max-width:none}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}
