:root{--accent:#bba7ff;--card:#201e30;--muted:#a6a3ba;--line:#353147;background:#141321;color:#f2efff;font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color-scheme:dark}
body{min-width:320px;-webkit-tap-highlight-color:transparent}button,a,summary{touch-action:manipulation}button:disabled{cursor:default}input:not([type=checkbox]),select{font-size:16px;min-height:46px;background:#181624}button{min-height:44px}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:4px}.mobile-shell{max-width:540px;margin:auto;padding:calc(20px + env(safe-area-inset-top)) 22px calc(106px + env(safe-area-inset-bottom))}.mobile-header{display:flex;align-items:center;justify-content:space-between;padding-bottom:24px;border-bottom:1px solid var(--line)}.brand{color:inherit}.brand:hover{text-decoration:none}.logo{width:34px;height:34px;border-radius:10px}.avatar{width:40px;height:40px;min-height:40px;padding:0;border-radius:50%;background:#302944;color:#d8caff;border-color:#56446d}.intro{padding:29px 0 20px}.intro .eyebrow{font-size:10px;letter-spacing:1.6px;margin-bottom:14px}.intro h1{font-size:37px;line-height:1.14;letter-spacing:-1.4px;font-weight:720;margin-bottom:12px}.intro h1 em{font-style:normal;color:var(--accent)}.intro p{font-size:13px;margin-bottom:0}.collection-stats{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:16px;padding:18px 0;background:var(--card)}.collection-stats>div{display:grid;text-align:center;gap:3px;padding:0 5px}.collection-stats>div+div{border-left:1px solid #3a344c}.collection-stats strong{font-size:26px;font-weight:650;letter-spacing:-.8px}.collection-stats span{font-size:10px;color:var(--muted)}.quick-actions{display:grid;grid-template-columns:1.4fr 1fr;gap:10px;margin:16px 0 23px}.quick-actions button{font-size:13px;min-height:49px;padding:10px}.quick-actions .primary{display:flex;justify-content:space-between;align-items:center;padding:10px 16px}.add-panel{margin:0 0 28px;border:1px dashed #514564;border-radius:13px;padding:0 16px}.add-panel summary{font-size:14px;list-style:none;padding:13px 0}.add-panel summary::-webkit-details-marker{display:none}.add-panel summary span{margin-right:8px}.add-panel[open] summary{margin-bottom:5px}.add-panel .stack{gap:12px}.add-panel .note{font-size:12px}.add-panel .status:empty{min-height:0;margin:0}.collection-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:13px;gap:8px}.collection-heading h2{margin:0;font-size:19px;letter-spacing:-.4px}.collection-heading h2 span{color:var(--muted);font-weight:400;font-size:14px;margin-left:6px}.collection-heading select{width:auto;min-height:40px;font-size:12px;padding:8px;border-color:transparent;background:transparent;color:var(--muted)}.search{margin-bottom:16px}.word-list{display:grid;gap:9px}.word-card{width:100%;display:flex;text-align:left;align-items:center;justify-content:space-between;gap:12px;border:1px solid var(--line);background:var(--card);border-radius:14px;padding:15px 17px;min-height:77px}.word-card:hover{background:#292539}.word-card strong{font-size:18px;display:block;letter-spacing:-.3px;overflow-wrap:anywhere}.word-card .translation{display:block;color:#c1b5df;font-size:13px;margin-top:3px;overflow-wrap:anywhere}.word-card .arrow{color:#746984;font-size:22px}.collection-footnote{text-align:center;color:#797387;font-size:11px;margin-top:22px}.load-more{width:100%;margin-top:16px;background:transparent}.bottom-nav{position:fixed;z-index:5;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:540px;display:grid;grid-template-columns:repeat(4,1fr);padding:10px 12px calc(10px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:#1c1a2bf5;backdrop-filter:blur(18px)}.bottom-nav button{background:none;border:0;border-radius:12px;color:#92899f;font-size:10px;display:grid;justify-items:center;gap:4px;padding:7px;min-height:52px}.bottom-nav button[aria-current]{color:var(--accent);background:#30283f}.bottom-nav svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.welcome{margin:35px 0;padding:24px}.welcome h1{font-size:29px;line-height:1.25}.welcome>button,.welcome>a{display:block;margin-top:16px;text-align:center}.button{padding:13px 17px;border-radius:10px}.button.primary{background:var(--accent);color:#201332;font-weight:650}.demo-banner{font-size:11px;color:#dbcbff;background:#352945;border-radius:8px;padding:7px 10px;margin-top:16px}.profile-card{padding:22px;margin-bottom:16px}.profile-card h2{font-size:19px;margin-bottom:10px}.profile-card .note{line-height:1.65}.profile-card>button{margin:4px 5px 8px 0}.profile-card label{font-size:12px}.pairing-code{background:#302443;letter-spacing:2px;width:100%;padding:18px 8px;margin:20px 0 10px;font:700 21px ui-monospace,SFMono-Regular,monospace;color:#dacaff}.pairing-code .note{display:block;font:11px/1.4 -apple-system,BlinkMacSystemFont,sans-serif;letter-spacing:0;margin-top:9px}.device{padding:14px 0;border-bottom:1px solid var(--line)}.device p{margin-bottom:6px}.device strong{font-size:14px}.device button{font-size:12px;padding:7px 12px}.version{text-align:center;color:#81798e;font-size:11px;margin:30px}.toast{position:fixed;z-index:30;bottom:calc(90px + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);width:calc(100% - 40px);max-width:480px;background:#eee6ff;color:#291e39;border-radius:12px;padding:13px 17px;box-shadow:0 6px 24px #0005;font-size:13px;overflow-wrap:anywhere}.toast.error{background:#ffdde2;color:#622232}.study-panel{max-width:none;margin:28px 0 0}.study-setup,.study-card,.study-summary{padding:22px 18px}.study-options{grid-template-columns:1fr}.study-options label:last-child{grid-column:auto}.study-card #studyPrompt{font-size:34px}.study-typing{flex-direction:column}.study-choices{grid-template-columns:1fr}.study-choice{min-height:52px}.study-actions{gap:10px}.study-actions button{flex:1;font-size:13px;padding:10px}.study-card .eyebrow{font-size:9px;letter-spacing:1px}.study-run-header{font-size:12px}.study-setup h2{font-size:25px;letter-spacing:-.7px}.study-summary-score{font-size:52px}.study-summary h2{font-size:24px}#studyAvailable{font-size:12px}#studyHint{display:none}.sync-conflict{border-top:1px solid var(--line);padding-top:16px;margin-top:18px}.sync-conflict .row{flex-wrap:wrap}.sync-conflict button{font-size:12px}dialog{background:var(--card);border:1px solid #534361;border-radius:20px;color:inherit;padding:30px 24px;width:calc(100% - 32px);max-width:480px;overflow-wrap:anywhere;max-height:85dvh}dialog::backdrop{background:#080710bb;backdrop-filter:blur(3px)}.dialog-close{float:right;min-height:32px;width:32px;font-size:22px;padding:0;background:transparent;border:0;margin:-12px -8px 12px}#detailWord{font-size:30px;margin-bottom:4px}#detailTranslation{font-size:21px;color:var(--accent)}#detailExample{margin:24px 0;padding:5px 0 5px 14px;border-left:2px solid #786190;color:#c6bed3;font-size:14px}#detailMeta{margin-top:20px}#detailSource{font-size:13px}.empty{padding:30px 16px}.empty h2{font-size:18px}.empty p{font-size:13px;margin:0}.status{overflow-wrap:anywhere}
.sync-bar{display:grid;gap:12px;margin-top:18px;padding:14px 16px 16px;border:1px solid var(--line);border-radius:16px;background:var(--card)}.sync-status{display:grid;gap:3px;margin:0;min-width:0;font-size:12px;line-height:1.45;color:var(--muted);overflow-wrap:anywhere}.sync-status strong{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:650;letter-spacing:-.2px;color:#f2efff}.sync-status strong:before{content:"";flex:none;width:8px;height:8px;border-radius:50%;background:#7fd19a;box-shadow:0 0 0 4px #7fd19a1f}.sync-status span{padding-left:17px}.sync-status[data-state=pending] strong:before,.sync-status[data-state=busy] strong:before{background:var(--accent);box-shadow:0 0 0 4px #bba7ff26}.sync-status[data-state=busy] strong:before{animation:sync-pulse .9s ease-in-out infinite alternate}.sync-status[data-state=error] strong:before{background:#ff8d98;box-shadow:0 0 0 4px #ff8d981f}.sync-status[data-state=error] span{color:#ffafb6}.sync-status[data-state=offline] strong:before,.sync-status[data-state=demo] strong:before{background:#746984;box-shadow:none}@keyframes sync-pulse{to{opacity:.35;transform:scale(.75)}}#syncNow{width:100%;min-height:46px;font-size:14px}#recoverSync{width:100%;font-size:13px}.sync-bar .sync-conflict{margin-top:12px;padding-top:14px}.sync-bar .sync-conflict:first-child{margin-top:2px}
@media(min-width:480px){.sync-bar{grid-template-columns:minmax(0,1fr) auto;align-items:center;column-gap:16px}#syncNow{width:auto;padding:10px 20px}#recoverSync,#conflicts{grid-column:1/-1}}
@media(min-width:600px){body{background:radial-gradient(ellipse at 50% 10%,#252035 0,#141321 65%)}.mobile-shell{padding-left:30px;padding-right:30px;min-height:100vh;background:#141321;border-left:1px solid #292335;border-right:1px solid #292335}}
@media(max-width:360px){.mobile-shell{padding-left:16px;padding-right:16px}.intro h1{font-size:33px}.pairing-code{font-size:18px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}