:root{--honey: #f6c343;--amber: #e8a317;--cream: #fff8e7;--ink: #2b2622;--soft: #f1e7d2;--leaf: #7bb661;--berry: #e4573d;--bg: var(--cream);--surface: #fffdf7;--text: var(--ink);--muted: #7a6f63;--line: rgba(43, 38, 34, .1);--shadow: 0 1px 2px rgba(43, 38, 34, .05), 0 8px 24px -12px rgba(43, 38, 34, .18);--radius: 16px;--radius-sm: 10px;--max: 880px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;--dur: .24s;--ease: cubic-bezier(.2, .8, .2, 1)}*,*:before,*:after{box-sizing:border-box}html{color-scheme:light}body{margin:0;font-family:var(--font);font-size:16px;line-height:1.5;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.2}h1{font-size:1.9rem}h2{font-size:1.25rem}h3{font-size:1.05rem}p{margin:0}a{color:var(--amber);text-decoration:none}a:hover{text-decoration:underline}code{font-family:var(--mono);font-size:.92em;background:var(--soft);padding:.1em .4em;border-radius:6px}kbd{font-family:var(--mono);font-size:.75em;padding:.1em .45em;border-radius:6px;background:#2b262214;margin-left:.4em}ul,ol{margin:0;padding:0;list-style:none}:focus-visible{outline:3px solid var(--amber);outline-offset:2px;border-radius:6px}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.muted{color:var(--muted)}.small{font-size:.875rem}.center{text-align:center;padding:16px}.link-muted{color:var(--muted);font-size:.9rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:42px;padding:0 18px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--text);font:inherit;font-weight:600;cursor:pointer;text-decoration:none;transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}.btn:hover{text-decoration:none;background:var(--soft)}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:default;transform:none}.btn-primary{background:var(--honey);border-color:transparent;box-shadow:0 6px 18px -8px #e8a317b3}.btn-primary:hover{background:#f8cb5c}.btn-ghost{background:transparent;border-color:transparent}.btn-ghost:hover{background:var(--soft)}.btn-lg{min-height:52px;padding:0 28px;font-size:1.05rem}.btn-sm{min-height:32px;padding:0 12px;font-size:.85rem;font-weight:500}.btn-danger{color:var(--berry)}.btn-danger:hover{background:#e4573d14}.btn-again{background:#e4573d1f;border-color:transparent}.btn-again:hover{background:#e4573d33}.btn-hard{background:var(--soft);border-color:transparent}.btn-good{background:#7bb66133;border-color:transparent}.btn-good:hover{background:#7bb66152}.input{font:inherit;min-height:42px;padding:8px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);color:var(--text);width:100%}.input:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px #f6c34359}select.input{appearance:none;padding-right:34px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%232B2622' stroke-width='1.6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}input[type=checkbox]{width:20px;height:20px;accent-color:var(--amber);flex:none;margin:2px 0 0}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px 24px}.card-title{font-size:1rem;margin-bottom:12px}.card-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px}.card .card-title+.card-title{margin-top:26px}.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.75rem;font-weight:600;background:var(--soft);color:var(--text)}.badge-new{background:#7bb66133}.badge-learning,.badge-review{background:#f6c34359}.badge-known{background:var(--soft);color:var(--muted)}.badge-snoozed{background:#2b26220f;color:var(--muted)}.pill{display:inline-block;font-size:.72rem;font-weight:600;padding:1px 8px;border-radius:999px;background:#f6c34366;color:var(--ink);margin-left:8px;vertical-align:middle}.inline-error{background:#e4573d1a;color:#a3311c;border-radius:var(--radius-sm);padding:10px 14px;margin:8px 0}.loading{display:flex;align-items:center;gap:8px;color:var(--muted);padding:32px 0;justify-content:center}.empty-state{text-align:center;display:grid;gap:12px;justify-items:center;padding:40px 24px}.app-root{min-height:100vh;display:flex;flex-direction:column}.app-header{position:sticky;top:0;z-index:10;background:#fff8e7d9;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.app-header-inner{max-width:var(--max);margin:0 auto;padding:10px 20px;display:flex;align-items:center;gap:20px}.brand{display:inline-flex;align-items:center;gap:8px;color:var(--text);font-weight:800;font-size:1.15rem;letter-spacing:-.02em}.brand:hover{text-decoration:none}.brand:hover .bee{animation:bob .9s var(--ease) infinite}.app-nav{display:flex;gap:4px;flex:1;overflow-x:auto;scrollbar-width:none}.app-nav::-webkit-scrollbar{display:none}.app-nav a{color:var(--muted);font-weight:600;font-size:.95rem;padding:6px 12px;border-radius:999px;white-space:nowrap;transition:background var(--dur) var(--ease),color var(--dur) var(--ease)}.app-nav a:hover{text-decoration:none;background:var(--soft);color:var(--text)}.app-nav a.active{background:var(--honey);color:var(--ink)}.logout-link{color:var(--muted);font-size:.9rem;white-space:nowrap}.app-main{flex:1;width:100%;max-width:var(--max);margin:0 auto;padding:28px 20px 64px}.page{display:grid;gap:20px}.page-title{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;flex-wrap:wrap}.page-title .muted{margin-top:4px}.screen-message{min-height:100vh;display:grid;place-content:center;justify-items:center;gap:14px;text-align:center;padding:24px}.screen-message h1{font-size:1.6rem}.hero-card{display:flex;align-items:center;justify-content:space-between;gap:20px;background:linear-gradient(135deg,var(--surface),#fff3cf)}.hero-card-num{font-size:3rem;font-weight:800;line-height:1;letter-spacing:-.03em}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stat{padding:16px 18px}.stat-value{font-size:1.7rem;font-weight:800;letter-spacing:-.02em}.stat-label{color:var(--muted);font-size:.85rem}.stat-honey{background:#f6c34359}.stat-leaf{background:#7bb66133}.stat-soft{background:var(--soft)}.streak{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;background:#f6c34359;font-weight:700;font-size:.95rem}.bars{display:grid;grid-template-columns:repeat(14,1fr);gap:6px;align-items:end;height:110px}.bar-col{display:grid;grid-template-rows:1fr auto;height:100%;gap:4px}.bar-track{display:flex;align-items:flex-end;background:#2b26220a;border-radius:6px;overflow:hidden}.bar-fill{width:100%;min-height:3px;background:var(--honey);border-radius:6px;transform-origin:bottom}.bar-label{font-size:.65rem;color:var(--muted);text-align:center}.recent-list li{display:flex;align-items:baseline;gap:12px;padding:8px 0;border-top:1px solid var(--line)}.recent-list li:first-child{border-top:0}.recent-src{font-weight:600;flex:1}.recent-dst{color:var(--muted);flex:1}.study{max-width:560px;margin:0 auto;width:100%}.study-top{display:grid;gap:6px}.study-counter{text-align:right}.progress{height:8px;border-radius:999px;background:#2b262214;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--honey),var(--amber));border-radius:999px;transition:width .4s var(--ease)}.study-meta{display:flex;gap:8px;align-items:center}.flip-scene{position:relative;perspective:1200px;min-height:280px}.flip-card{position:relative;width:100%;min-height:280px;border:0;padding:0;background:transparent;color:inherit;font:inherit;cursor:pointer;transform-style:preserve-3d;transition:transform .4s var(--ease);text-align:center;border-radius:var(--radius)}.flip-card:disabled{cursor:default}.is-flipped .flip-card{transform:rotateY(180deg)}.flip-face{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:28px;border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);backface-visibility:hidden;-webkit-backface-visibility:hidden}.flip-back{transform:rotateY(180deg);background:linear-gradient(160deg,#fff3cf,var(--surface))}.flip-lang{font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-weight:700}.flip-text{font-size:2rem;font-weight:700;letter-spacing:-.02em;line-height:1.15;word-break:break-word}.flip-context{color:var(--muted);font-size:.95rem;max-width:44ch;font-style:italic}.flip-context-hit{font-weight:700;font-style:normal;color:var(--ink);background:#f6c34359;border-radius:4px;padding:0 3px}.flip-sub{font-size:1rem}.flip-hint{position:absolute;bottom:14px}.rate-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;opacity:0;transform:translateY(6px);transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease);pointer-events:none}.rate-row.is-visible{opacity:1;transform:none;pointer-events:auto}.secondary-row{display:flex;justify-content:center;gap:8px}.finish{text-align:center;justify-items:center;padding-top:24px}.finish-bee{position:relative;width:120px;height:120px;display:grid;place-items:center}.finish-tally{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}.finish-tally li{padding:8px 16px;border-radius:999px;background:var(--soft);font-size:.95rem}.finish-tally li strong{font-size:1.15rem;margin-right:4px}.finish-tally .tone-good{background:#7bb66138}.finish-tally .tone-again{background:#e4573d24}.burst{position:absolute;left:50%;top:50%;width:0;height:0;pointer-events:none}.drop{position:absolute;left:0;top:0;width:10px;height:10px;border-radius:50% 50% 50% 0;background:var(--honey);opacity:0;--angle: calc(var(--i) * (360deg / var(--n)));--dist: 120px;transform:rotate(var(--angle)) translate(0) rotate(-45deg)}.burst-big .drop{--dist: 90px;width:12px;height:12px}.drop-1{background:var(--amber)}.drop-2{background:var(--leaf);border-radius:3px}.drop-3{background:var(--berry);border-radius:50%}.drop-4{background:var(--soft);border-radius:3px}.toolbar{display:grid;grid-template-columns:1fr 180px;gap:10px}.chips{display:flex;gap:8px;flex-wrap:wrap}.chip{font:inherit;font-size:.85rem;font-weight:600;padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface);color:var(--muted);cursor:pointer;transition:background var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease)}.chip:hover{background:var(--soft)}.chip.is-active{background:var(--honey);border-color:transparent;color:var(--ink)}.chip:active{transform:scale(.96)}.word-list{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.word-row{display:grid;grid-template-columns:1fr auto auto;gap:14px;align-items:center;padding:14px 20px;border-top:1px solid var(--line);transition:opacity var(--dur)}.word-row:first-child{border-top:0}.word-row.is-busy{opacity:.5}.word-src{font-weight:600}.word-dst{color:var(--muted)}.word-meta{display:grid;gap:2px;justify-items:end;text-align:right}.word-actions{display:flex;gap:6px;opacity:.55;transition:opacity var(--dur)}.word-row:hover .word-actions,.word-row:focus-within .word-actions{opacity:1}.journal-list{display:grid;gap:12px}.journal-item{padding:16px 20px;display:grid;gap:6px}.journal-src{font-weight:500}.journal-dst{color:var(--muted)}.journal-meta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.journal-link{color:var(--amber);max-width:40ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.inline-form{display:flex;gap:10px}.token-box{margin-top:18px;padding:16px;border-radius:var(--radius-sm);background:#f6c34338;border:1px dashed var(--amber);display:grid;gap:12px}.token-warn{font-size:.92rem}.token-row{display:flex;gap:10px;align-items:center}.token{flex:1;background:var(--surface);padding:10px 12px;border-radius:8px;word-break:break-all;-webkit-user-select:all;user-select:all;font-size:.95rem}.key-list{display:grid}.key-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--line)}.key-row:first-child{border-top:0}.key-name{font-weight:600}.key-row.is-revoked .key-name{color:var(--muted);text-decoration:line-through}.revoked{margin-top:12px}.revoked summary{cursor:pointer}.install-steps{list-style:decimal;padding-left:22px;display:grid;gap:8px}.settings-form{display:grid;gap:14px}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field{display:grid;gap:6px;font-size:.92rem;font-weight:600}.field small{font-weight:400}.check{display:flex;gap:10px;align-items:flex-start;cursor:pointer}.check small{display:block;font-weight:400}.form-actions{display:flex;align-items:center;gap:14px;margin-top:6px}.saved-hint{color:var(--leaf);font-weight:600}.openai-box{display:grid;gap:10px;padding:14px 16px;border-radius:var(--radius-sm);background:var(--soft)}.openai-step{display:grid;gap:10px}.openai-step code{background:var(--surface)}.landing{max-width:var(--max);margin:0 auto;padding:0 20px 48px}.landing-header{display:flex;justify-content:space-between;align-items:center;padding:16px 0}.hero{text-align:center;padding:56px 0 40px;display:grid;gap:18px;justify-items:center}.hero h1{font-size:clamp(1.9rem,5vw,2.9rem);max-width:18ch;letter-spacing:-.03em}.hero-lead{max-width:56ch;color:var(--muted);font-size:1.1rem}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}.hero-bee{position:relative}.hero-trail{position:absolute;left:-70px;top:50%;width:60px;border-top:2px dashed rgba(43,38,34,.18);transform:rotate(-12deg)}.how,.features,.install,.cta-final{margin-top:56px}.how h2,.features h2,.install h2{margin-bottom:20px}.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.step{display:grid;gap:6px}.step-n{font-family:var(--mono);color:var(--amber);font-weight:700;font-size:.85rem}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.feature{display:grid;gap:8px}.feature-icon{font-size:1.6rem}.cta-final{text-align:center;display:grid;gap:16px;justify-items:center;background:linear-gradient(135deg,#fff3cf,var(--surface));padding:40px 24px}.landing-footer{margin-top:56px;display:flex;align-items:center;justify-content:center;gap:8px;color:var(--muted);font-size:.9rem}@media(prefers-reduced-motion:no-preference){@keyframes bob{0%,to{transform:translateY(0) rotate(-3deg)}50%{transform:translateY(-5px) rotate(3deg)}}@keyframes rise{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}@keyframes grow{0%{transform:scaleY(0)}to{transform:scaleY(1)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.08)}}@keyframes burst{0%{opacity:1;transform:rotate(var(--angle)) translate(0) rotate(-45deg) scale(.6)}70%{opacity:1}to{opacity:0;transform:rotate(var(--angle)) translate(var(--dist)) rotate(-45deg) scale(1)}}@keyframes pop{0%{transform:scale(.96)}50%{transform:scale(1.02)}to{transform:scale(1)}}.bee-bob{animation:bob 2.4s var(--ease) infinite}.card,.word-list,.journal-item{animation:rise .3s var(--ease) both}.bar-fill{animation:grow .4s var(--ease) both}.streak{animation:pulse 1.6s var(--ease) 2}.streak-flame{display:inline-block;animation:bob 1.2s var(--ease) infinite}.drop{animation:burst .5s var(--ease) both;animation-delay:calc(var(--i) * 12ms)}.burst-big .drop{animation-duration:.7s;animation-delay:calc(var(--i) * 25ms)}.saved-hint{animation:rise var(--dur) var(--ease) both}.flip-scene.is-flipped .flip-back .flip-text{animation:pop .4s var(--ease) .4s both}}@media(max-width:720px){.stat-grid{grid-template-columns:repeat(2,1fr)}.steps,.feature-grid,.field-row,.toolbar{grid-template-columns:1fr}.word-row{grid-template-columns:1fr;gap:8px}.word-meta{justify-items:start;text-align:left;display:flex;gap:10px;align-items:center}.word-actions{opacity:1}.hero-card{flex-direction:column;align-items:flex-start}.hero-card-num{font-size:2.4rem}.app-header-inner{flex-wrap:wrap;gap:8px 16px}.app-nav{order:3;width:100%}.logout-link{margin-left:auto}.flip-text{font-size:1.6rem}.inline-form{flex-direction:column}.bars{gap:3px}.bar-label{display:none}}
