:root{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#172d3a;background:#f5f7f8;font-synthesis:none;--ink:#17384a;--muted:#647782;--border:#dce5e8;--surface:#fff;--accent:#166d75;--blue:#2266a7;--soft:#eaf2f3}*{box-sizing:border-box}body{margin:0;min-height:100svh}button,input,select{font:inherit}button{cursor:pointer}button:disabled{opacity:.48;cursor:not-allowed}a{color:var(--blue)}.app-shell{max-width:1050px;margin:auto;min-height:100svh;padding-bottom:100px}.app-header{height:78px;display:flex;justify-content:space-between;align-items:center;padding:0 26px;background:#fff;border-bottom:1px solid var(--border)}.header-brand{display:flex;align-items:center;gap:11px}.header-brand strong{display:block;font-size:23px;letter-spacing:-.8px;color:var(--ink)}.header-brand small{display:block;font-size:11px;color:var(--muted)}.brand-glyph{display:flex;justify-content:center;align-items:center;background:var(--ink);color:white;font-size:23px;font-weight:850;border-radius:14px;width:46px;height:46px}.header-actions{display:flex;gap:8px;align-items:center}.header-actions label{font-size:12px;color:var(--muted)}select,.input{background:#fff;border:1px solid var(--border);border-radius:10px;padding:10px;color:var(--ink);min-height:40px;max-width:100%}#profile-picker{font-weight:700;max-width:165px}main{padding:25px 25px 40px}.eyebrow{font-size:11px;letter-spacing:1.6px;text-transform:uppercase;font-weight:750;color:#4e7b86;margin-bottom:9px}.page-title{font-size:clamp(26px,4vw,35px);letter-spacing:-1px;margin:0;color:var(--ink);line-height:1.17}.lead{color:var(--muted);margin:10px 0 22px;font-size:14px;line-height:1.55}.section-title{font-size:18px;letter-spacing:-.3px;margin:24px 0 12px}.stack{display:flex;flex-direction:column;gap:12px}.card{background:var(--surface);border:1px solid var(--border);border-radius:17px;padding:19px;box-shadow:0 1px 3px rgba(20,40,50,.025)}.hero{background:linear-gradient(120deg,#193e50,#186b74);border-radius:19px;padding:24px;color:white;display:flex;gap:16px;align-items:center;justify-content:space-between}.hero h2{font-size:23px;line-height:1.2;margin:7px 0}.hero p{margin:0;opacity:.8;font-size:13px}.hero .big{font-size:48px;font-weight:820;line-height:1}.hero small{font-size:11px;opacity:.8}.hero .btn{background:#fff;color:var(--ink);margin-top:17px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:10px 15px;border-radius:11px;font-weight:750;border:1px solid transparent;background:var(--ink);color:white;transition:filter .16s}.btn:hover{filter:brightness(1.05)}.btn.secondary{background:#f0f5f6;border-color:#d7e3e6;color:var(--ink)}.btn.ghost{background:transparent;border-color:var(--border);color:var(--ink)}.btn.good{background:#16705c}.btn.bad{background:#a43f46}.btn.small{min-height:34px;padding:7px 10px;font-size:12px}.btn.block{width:100%}.btn-row{display:flex;gap:9px;flex-wrap:wrap}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:11px;margin:16px 0}.metric{padding:15px;border-radius:14px;background:#fff;border:1px solid var(--border)}.metric strong{display:block;font-size:26px;line-height:1.1;color:var(--ink)}.metric span{font-size:12px;color:var(--muted);display:block;margin-top:6px}.deck-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.deck-option{background:#fff;border:1px solid var(--border);text-align:left;padding:17px;border-radius:15px;color:var(--ink)}.deck-option.selected{border:2px solid var(--accent);background:#eff8f8;padding:16px}.deck-option strong{font-size:16px;display:block;margin-bottom:7px}.deck-option span{display:block;color:var(--muted);font-size:12px;line-height:1.5}.deck-option em{display:inline-block;margin-top:10px;color:var(--accent);font-size:11px;font-style:normal;font-weight:800}.two-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.subtle{color:var(--muted)}.smalltext{font-size:12px}.session-card{max-width:630px;margin:0 auto}.session-top{display:flex;justify-content:space-between;gap:8px;font-size:12px;color:var(--muted);margin-bottom:12px}.progress-track{height:7px;background:#e0e8eb;border-radius:10px;overflow:hidden;margin-bottom:18px}.progress-track div{height:100%;background:#1b7784}.prompt-card{background:#fff;border:1px solid var(--border);border-radius:23px;padding:30px 24px;min-height:235px;text-align:center;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px}.prompt-card .label{color:#71828c;font-size:12px;font-weight:650}.prompt-card .prompt{font-size:clamp(24px,3.5vw,35px);font-weight:790;line-height:1.24;color:var(--ink);overflow-wrap:anywhere}.prompt-card .prompt.long{font-size:clamp(18px,3vw,25px);font-weight:700}.prompt-card .tags{font-size:11px;color:#64808b;background:#eff4f6;border-radius:30px;padding:6px 11px}.answer-block{padding:17px;text-align:center}.mic{width:78px;height:78px;border:none;border-radius:50%;background:#136b77;color:white;font-size:30px;display:flex;justify-content:center;align-items:center;margin:12px auto 4px;box-shadow:0 7px 18px rgba(22,107,119,.2)}.mic.recording{background:#b64248;animation:pulse 1.1s infinite}@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(182,66,72,.18)}50%{box-shadow:0 0 0 14px rgba(182,66,72,0)}}.voice-caption{font-size:12px;color:var(--muted);min-height:20px}.answer-form{display:flex;gap:7px;margin:17px auto 0;max-width:440px}.answer-form input{min-width:0;flex:1;border:1px solid var(--border);padding:12px;border-radius:11px}.answer-form button{white-space:nowrap}.result{margin-top:18px;padding:17px;border-radius:14px;text-align:center;border:1px solid #cbdfe0;background:#eef8f6}.result.wrong{background:#fff6f5;border-color:#efd0d0}.result h3{margin:0 0 5px}.result strong.answer{display:block;font-size:28px;margin:12px 0;color:var(--ink)}.result p{font-size:13px;color:#6d7a80}.result .btn-row{justify-content:center;margin-top:13px}.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px}.filters{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}.filters select,.filters input{flex:1;min-width:145px}.word-list{border:1px solid var(--border);background:white;border-radius:14px;overflow:hidden}.word-row{display:grid;grid-template-columns:45px minmax(90px,.9fr) minmax(90px,1.4fr) 70px;align-items:center;gap:8px;padding:10px 13px;border-bottom:1px solid #eef1f3;font-size:12px}.word-row:nth-child(even){background:#f7f9fa}.word-row:last-child{border-bottom:0}.word-row b{font-size:13px;overflow-wrap:anywhere}.word-row span{overflow-wrap:anywhere}.word-row .number{color:#859098}.word-row .meaning{color:#667784}.pill{display:inline-block;background:#e5f0f2;color:#1c606b;border-radius:25px;padding:4px 7px;font-size:10px;font-weight:750;text-align:center}.pill.off{background:#f0f0f0;color:#777}.category-list{display:grid;grid-template-columns:1fr 1fr;gap:9px}.category-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:11px;border:1px solid var(--border);border-radius:11px;background:white;font-size:13px}.category-item input{width:18px;height:18px;accent-color:#166f77;flex-shrink:0}.category-item b{display:block;font-size:12px}.category-item small{display:block;font-size:11px;color:var(--muted);margin-top:4px}.admin-section{margin-top:22px}.bar{height:7px;background:#ebeff2;border-radius:10px;overflow:hidden;margin-top:7px}.bar div{background:#287887;height:100%;border-radius:10px}.level-row{display:grid;grid-template-columns:160px 1fr 45px;align-items:center;gap:14px;margin:11px 0;font-size:12px}.level-row .last{text-align:right}.settings-field{margin-bottom:14px}.settings-field label{font-size:13px;font-weight:700;display:block;margin-bottom:6px}.settings-field select{min-width:190px}.note{padding:13px;border-left:3px solid #74a9b1;background:#edf4f5;border-radius:0 9px 9px 0;font-size:12px;color:#49646f;line-height:1.6}.empty{text-align:center;padding:32px 14px;color:var(--muted)}.toast{position:fixed;bottom:84px;left:50%;transform:translate(-50%,20px);background:#193e50;color:white;border-radius:12px;padding:11px 18px;font-size:13px;opacity:0;pointer-events:none;transition:.15s;max-width:90vw;z-index:20}.toast.show{opacity:1;transform:translate(-50%,0)}.nav{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:center;background:#fff;border-top:1px solid #dde5e7;z-index:10;padding:6px max(8px,env(safe-area-inset-right)) calc(7px + env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));box-shadow:0 -3px 12px rgba(0,0,0,.025)}.nav-button{border:0;background:transparent;display:flex;align-items:center;flex-direction:column;gap:3px;color:#788992;font-size:11px;min-width:80px;padding:5px 10px;border-radius:9px}.nav-button span{font-size:20px;line-height:22px}.nav-button.active{color:#126b75;background:#edf5f6;font-weight:750}.loading{padding:40px;text-align:center;color:#667784}@media(max-width:720px){.app-header{padding:0 15px;height:69px}main{padding:19px 14px 25px}.deck-grid{grid-template-columns:1fr}.deck-option{padding:13px 16px}.deck-option.selected{padding:12px 15px}.two-grid{grid-template-columns:1fr}.metrics{gap:8px}.metric{padding:12px}.metric strong{font-size:22px}.metric span{font-size:11px}.hero{padding:20px}.hero h2{font-size:20px}.hero .big{font-size:38px}.category-list{grid-template-columns:1fr}.word-row{grid-template-columns:33px minmax(80px,1fr) minmax(90px,1.3fr) 42px;gap:5px;padding:9px 7px;font-size:11px}.word-row b{font-size:11.5px}.nav-button{min-width:0;flex:1;padding:4px 3px}.nav-button span{font-size:19px}.prompt-card{min-height:235px;padding:23px 15px}.app-shell{padding-bottom:95px}.level-row{grid-template-columns:125px 1fr 32px;gap:9px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

.sync-status{font-size:12px;color:#516471;text-align:right;padding:0 4px 8px;}

[hidden]{display:none!important}#account-link{font-size:12px;color:inherit;text-decoration:underline;}

.nav.public{grid-template-columns:repeat(3,1fr)}

.assignment-card{margin:12px 0}.assignment-card summary,.archived-profiles summary{cursor:pointer;padding:12px 0;font-size:14px}.assignment-card>.category-item{padding:0;border:0}#logout-link{font-size:12px;color:inherit;text-decoration:underline;}
@media(max-width:720px){.header-actions{flex-wrap:wrap;justify-content:flex-end;max-width:62%;gap:5px 8px}.header-actions label{display:none}.app-header{height:auto;min-height:69px;padding-top:9px;padding-bottom:9px}.header-brand{flex-shrink:0}#profile-picker{max-width:135px}}

.library-picker{display:flex;gap:12px;align-items:center;margin-bottom:16px}.library-picker label{font-size:13px;font-weight:700}.library-picker select{flex:1;min-width:0}@media(max-width:720px){.library-picker{align-items:stretch;flex-direction:column;gap:8px}}

.success-notice{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 14px;margin-bottom:16px;background:#edf8f0;border:1px solid #c4e7ce;border-radius:12px;color:#1e6235;font-size:14px}.success-notice strong{font-weight:750}.success-notice .btn{flex-shrink:0}

.remaining-counter{display:inline-flex;align-items:center;gap:5px;white-space:nowrap;padding:7px 10px;border-radius:10px;background:#eaf2f3;color:#17384a;font-size:13px}.remaining-counter strong{font-size:21px;font-weight:800}

button.header-brand{border:0;background:transparent;padding:0;text-align:left;color:inherit;font:inherit;cursor:pointer}button.header-brand:focus-visible{outline:2px solid var(--accent);outline-offset:5px;border-radius:8px}

/* Manual entry uses the visual viewport, including Safari's keyboard resize. */
.keyboard-close{display:none}
body.typing-mode{overflow:hidden}
.typing-mode .app-shell{position:fixed;top:var(--typing-top,0px);left:0;right:0;height:var(--typing-height,100dvh);min-height:0;padding:0;display:flex;flex-direction:column;overflow:hidden}
.typing-mode .app-header,.typing-mode #sync-status,.typing-mode .nav,.typing-mode .mic,.typing-mode .voice-caption{display:none}
.typing-mode main{flex:1;min-height:0;padding:8px 12px;overflow:hidden}
.typing-mode .session-card{height:100%;display:flex;flex-direction:column;gap:7px}
.typing-mode .success-notice{flex-shrink:0;margin:0;padding:7px 10px;font-size:13px}
.typing-mode .success-notice span{min-width:0;overflow-wrap:anywhere}
.typing-mode .success-notice .btn{padding:6px 8px;font-size:12px}
.typing-mode .session-top{flex-shrink:0;align-items:center;margin:0;font-size:11px}
.typing-mode .session-top>span:first-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.typing-mode .remaining-counter{padding:3px 7px;font-size:11px}
.typing-mode .remaining-counter strong{font-size:16px}
.typing-mode .progress-track,.typing-mode .prompt-card .tags,.typing-mode .session-card>.btn-row,.typing-mode .answer-block>.btn-row{display:none}
.typing-mode .prompt-card{flex:1;min-height:0;padding:10px 12px;gap:7px;overflow:auto;justify-content:safe center}
.typing-mode .prompt-card .label{font-size:11px}
.typing-mode .prompt-card .prompt{font-size:24px;line-height:1.2}
.typing-mode .prompt-card .prompt.long{font-size:18px}
.typing-mode .answer-block{flex-shrink:0;padding:0;text-align:center}
.typing-mode .answer-form{margin:0 auto;max-width:none}
.typing-mode .answer-form input{font-size:16px;padding:11px;scroll-margin:0}
.typing-mode .answer-form .btn{padding:11px 14px}
.typing-mode .keyboard-close{display:inline-block;padding:5px 10px;margin-top:3px;font-size:12px}
.typing-mode .toast{bottom:auto;top:calc(var(--typing-top,0px) + 8px)}

.typing-mode .result{flex-shrink:0;max-height:62%;overflow:auto;margin:0;padding:10px 12px}
.typing-mode .result h3{margin:0 0 5px;font-size:16px}
.typing-mode .result .answer{font-size:23px;overflow-wrap:anywhere}
.typing-mode .result p{font-size:12px;margin:6px 0 9px}
.typing-mode .result .btn-row{gap:6px;flex-wrap:wrap}
.typing-mode .result .btn{padding:9px 11px;font-size:13px}

.typing-mode .answer-block>.answer-options{display:flex;justify-content:center;gap:8px;margin-top:3px!important}
.typing-mode .answer-options [data-show-answer]{display:none}
.typing-mode .answer-options .btn{padding:6px 10px;margin:0;font-size:12px}

.success-notice.error-notice{background:#fff0ee;border-color:#f1c4bd;color:#93392c}
.answer-speaker{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:40px;height:40px;border:0;border-radius:10px;background:transparent;color:inherit;cursor:pointer}
.answer-speaker:hover{background:#00000008}
.answer-speaker:focus-visible{outline:2px solid currentColor;outline-offset:1px}
.typing-mode .answer-speaker{width:36px;height:36px}

.word-due{display:block;font-size:11px;font-weight:400;margin-top:4px;line-height:1.3}.word-due{color:var(--muted)}

/* Minimal list-first navigation. */
.app-shell{padding-bottom:env(safe-area-inset-bottom)}
.app-header{height:auto;min-height:74px;padding:14px 20px;position:relative}
.header-brand strong{font-size:27px;letter-spacing:-1px}
.profile-menu{position:relative}
.profile-menu summary{list-style:none;display:flex;align-items:center;gap:12px;min-height:44px;padding:8px 12px;border-radius:10px;background:var(--soft);font-weight:650;cursor:pointer}
.profile-menu summary::-webkit-details-marker{display:none}
.profile-panel{position:absolute;right:0;top:calc(100% + 8px);z-index:15;width:220px;max-width:calc(100vw - 32px);padding:12px;background:var(--surface);border:1px solid var(--border);border-radius:13px;box-shadow:0 8px 24px #17384a18;display:grid;gap:8px}
.profile-panel label{font-size:12px;color:var(--muted)}
.profile-panel #profile-picker{width:100%;max-width:none}
.profile-panel button,.profile-panel a{display:flex;align-items:center;min-height:44px;padding:9px 8px;color:var(--ink);font-size:14px;text-align:left;border:0;background:none;text-decoration:none}
.profile-panel button:hover,.profile-panel a:hover{background:var(--soft);border-radius:7px}
.sync-status{position:absolute;width:1px;height:1px;min-height:0;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.home-decks{display:grid;gap:13px;max-width:660px;margin:auto}
.home-deck{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:17px;padding:15px 16px 18px}
.home-deck-heading{display:flex;justify-content:space-between;align-items:center;gap:10px}
.home-start{min-width:0;font-weight:720;font-size:19px;letter-spacing:-.4px;color:var(--ink);background:none;border:0;padding:0;text-align:left}
.home-start::after{content:"";position:absolute;inset:0;border-radius:17px}
.home-start:focus-visible::after{outline:2px solid var(--accent);outline-offset:3px}
.home-words{position:relative;z-index:1;min-height:44px;flex-shrink:0;display:flex;align-items:center;gap:5px;padding:0 4px;color:var(--accent);font-size:12px;font-weight:650;background:none;border:0}
.home-words span{font-size:20px}
.home-words:hover{text-decoration:underline}
.home-deck-meta{display:flex;justify-content:space-between;flex-wrap:wrap;gap:7px;font-size:12px;color:var(--muted);margin-top:5px}
.home-deck-meta span:last-child{color:var(--accent);font-weight:600}
.home-distribution{display:flex;gap:0;height:10px;border-radius:4px;overflow:hidden;margin-top:21px;background:#e7ecef}
.home-distribution span{border-radius:0;min-width:0}
.distribution-n0{background:#e7ecef}.distribution-n1{background:#e2c58b}.distribution-n2{background:#aac8ad}.distribution-n3{background:#79b7ad}.distribution-n4{background:#4d999c}.distribution-n5{background:#367a8d}.distribution-n6{background:#244e67}
.list-back{display:block;min-height:44px;padding:0;background:none;border:0;color:var(--accent);margin-bottom:8px}
.toast{bottom:calc(20px + env(safe-area-inset-bottom))}
@media(max-width:720px){.app-shell{padding-bottom:env(safe-area-inset-bottom)}.app-header{padding:12px 16px}main{padding:14px 12px 24px}.home-deck{padding:14px 14px 17px}}
@media(max-width:350px){.home-start{font-size:17px}.home-deck-heading{gap:5px}.home-deck{padding-left:12px;padding-right:12px}}

/* Keep the question and answer controls compact on phones. */
@media(max-width:720px){
 body:not(.typing-mode) .session-card .prompt-card{min-height:170px;padding:18px 15px;gap:10px;border-radius:19px}
 body:not(.typing-mode) .session-card .prompt-card .prompt{font-size:27px;line-height:1.2}
 body:not(.typing-mode) .session-card .prompt-card .prompt.long{font-size:21px}
 body:not(.typing-mode) .session-card .answer-block{padding:10px 8px 5px}
 body:not(.typing-mode) .session-card .mic{width:64px;height:64px;font-size:27px;margin:8px auto 3px}
 body:not(.typing-mode) .session-card .answer-form{margin-top:12px}
 body:not(.typing-mode) .session-card .success-notice{padding:9px 12px;margin-bottom:12px}
 body:not(.typing-mode) .session-card .session-top{align-items:center;margin-bottom:10px}
 body:not(.typing-mode) .session-card .progress-track{margin-bottom:12px}
 body:not(.typing-mode) .session-card .answer-options{margin-top:8px!important}
 body:not(.typing-mode) .session-card>.btn-row{margin-top:8px!important}
 body:not(.typing-mode) .session-card .btn.small{min-height:44px}
}
@media(max-width:720px) and (max-height:760px){
 body:not(.typing-mode) .session-card .prompt-card{min-height:135px;padding:14px 12px}
 body:not(.typing-mode) .session-card .prompt-card .prompt{font-size:24px}
 body:not(.typing-mode) .session-card .prompt-card .prompt.long{font-size:19px}
}

.answer-summary{min-width:0;overflow-wrap:anywhere}.answer-definition{display:block;font-size:12px;line-height:1.35;font-weight:400;margin-bottom:5px}

/* Minimal vocabulary library, matching the list-first home. */
.library-page{max-width:660px;margin:-12px auto 0}
.library-page .list-back{margin-bottom:0}
.library-title{display:flex;align-items:center;position:relative;margin:0 0 8px}
.library-title select{appearance:none;border:0;border-radius:0;background:transparent;padding:3px 32px 5px 0;width:100%;min-height:44px;font-size:25px;font-weight:720;letter-spacing:-.7px}
.library-title>span{position:absolute;right:2px;pointer-events:none;font-size:22px}
.library-title option{font-size:16px;background:var(--surface)}
.library-progress-toggle{display:block;width:100%;min-height:44px;text-align:left;background:none;border:0;color:var(--ink);padding:7px 0 4px}
.library-progress-toggle .home-distribution{margin:0;height:8px}
.library-progress-meta{display:flex;justify-content:space-between;gap:8px;margin-top:8px;font-size:12px;color:var(--muted)}
.library-progress-details{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:4px;padding:8px 0;border-bottom:1px solid var(--border)}
.library-progress-details button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:50px;min-width:0;padding:6px 2px;border:0;border-radius:8px;background:none;color:var(--ink)}
.library-progress-details button:first-child{grid-column:1/-1;flex-direction:row;justify-content:space-between;padding:6px 10px;min-height:44px}
.library-progress-details button:hover,.library-progress-details button[aria-pressed="true"]{background:var(--soft)}
.library-level-label{display:flex;align-items:center;gap:4px;font-size:11px;color:var(--muted)}
.library-level-label i{width:6px;height:6px;border-radius:2px}
.library-progress-details strong{font-size:14px;font-weight:650;font-variant-numeric:tabular-nums}
.library-toolbar{display:flex;align-items:center;gap:6px;min-height:44px;margin-top:10px}
#library-count{font-size:12px;color:var(--muted)}
.library-tools{display:flex;margin-left:auto;gap:4px}
.library-tool{display:flex;align-items:center;justify-content:center;width:44px;height:44px;padding:0;background:none;color:var(--accent);border:0;border-radius:10px}
.library-tool[aria-expanded="true"]{background:var(--soft)}
.library-clear{min-height:36px;border:0;border-radius:7px;padding:4px 7px;background:var(--soft);color:var(--accent);font-size:11px;white-space:nowrap}
.library-search{width:100%;font-size:16px;margin:2px 0 10px;min-height:44px}
.library-filters{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:2px 0 10px}
.library-filters select{width:100%;min-width:0;font-size:13px;padding:10px 5px;min-height:44px}
.library-page .word-list{border:0;border-radius:12px;padding:0 12px}
.library-page .word-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr) 32px;gap:9px;padding:11px 0;min-height:49px;font-size:14px;background:transparent;border-bottom:1px solid var(--border)}
.library-page .word-row:last-child{border:0}
.library-page .word-row b{font-size:14px;font-weight:650}
.library-page .word-row .meaning{font-size:13px}
.library-word-level{text-align:right;font-size:11px;font-weight:600;color:var(--muted)}
@media(max-width:350px){.library-title select{font-size:22px}.library-toolbar{flex-wrap:wrap}}

/* Compact administration: one selected profile and its list assignments. */
.admin-profile-controls{display:flex;align-items:center;gap:6px;min-width:0}
#admin-profile-picker{border:0;background:var(--soft);min-height:44px;max-width:160px;font-weight:650;font-size:16px;padding:10px 12px}
.admin-profile-actions{position:relative}
.admin-profile-actions>summary{display:flex;align-items:center;justify-content:center;list-style:none;width:44px;height:44px;border-radius:10px;font-size:25px;cursor:pointer}
.admin-profile-actions>summary::-webkit-details-marker{display:none}
.admin-profile-panel{position:absolute;right:0;top:calc(100% + 8px);z-index:15;width:250px;max-width:calc(100vw - 24px);background:var(--surface);border:1px solid var(--border);border-radius:13px;padding:8px;box-shadow:0 8px 24px #17384a18}
.admin-profile-panel>button,.admin-profile-panel>a,.admin-archived summary,.admin-archived button{display:flex;align-items:center;min-height:44px;width:100%;padding:9px 10px;border:0;background:none;color:var(--ink);font-size:14px;text-align:left;text-decoration:none;overflow-wrap:anywhere;border-radius:7px}
.admin-profile-panel>button:hover,.admin-profile-panel>a:hover,.admin-archived button:hover{background:var(--soft)}
.admin-archived summary{cursor:pointer}
.admin-archived button{padding-left:20px}
.admin-page{max-width:660px;margin:-12px auto 0}
.admin-page .list-back{margin:0;min-height:44px}
.admin-page .page-title{font-size:26px;margin:14px 0 25px}
.admin-section-label{font-size:14px;color:var(--muted);font-weight:600;margin:0 0 10px}
.admin-assignments{border:1px solid var(--border);border-radius:16px;overflow:hidden;background:var(--surface)}
.admin-assignment{position:relative;min-width:0}
.admin-assignment+.admin-assignment{border-top:1px solid var(--border)}
.admin-deck-label{display:flex;align-items:center;gap:12px;min-height:80px;padding:13px 58px 13px 16px;cursor:pointer}
.admin-deck-label input,.admin-category-label input{width:20px;height:20px;margin:0;accent-color:var(--accent);flex-shrink:0}
.admin-deck-label b{display:block;font-size:15px;font-weight:650;overflow-wrap:anywhere}
.admin-deck-label small{display:block;font-size:12px;color:var(--muted);margin-top:4px}
.admin-assignment>details>summary{position:absolute;right:8px;top:18px;width:44px;height:44px;display:flex;align-items:center;justify-content:center;list-style:none;cursor:pointer;font-size:24px;color:var(--muted);border-radius:8px}
.admin-assignment>details>summary::-webkit-details-marker{display:none}
.admin-assignment>details[open]>summary span{transform:rotate(90deg)}
.admin-category-list{border-top:1px solid var(--border);background:var(--soft);padding:8px 16px 12px 48px;display:grid;gap:2px}
.admin-category-label{display:flex;align-items:center;gap:10px;min-height:44px;cursor:pointer;font-size:13px}
.admin-category-label span{overflow-wrap:anywhere}
.admin-category-label small{margin-left:auto;color:var(--muted);font-size:12px}
.admin-category-label input{width:18px;height:18px}
.admin-settings{margin-top:24px}
.admin-setting{border-bottom:1px solid var(--border)}
.admin-setting>summary{display:flex;align-items:center;gap:10px;list-style:none;min-height:52px;font-size:14px;cursor:pointer}
.admin-setting>summary::-webkit-details-marker{display:none}
.admin-setting>summary>span:nth-child(2){flex:1}
.admin-setting>summary>span:first-child{width:18px;text-align:center;color:var(--muted)}
.admin-chevron{font-size:21px;color:var(--muted)}
.admin-setting[open] .admin-chevron{transform:rotate(90deg)}
.admin-setting-content{display:grid;gap:8px;padding:3px 0 14px;font-size:13px}
.admin-accent{display:flex;align-items:center;justify-content:space-between;gap:12px}
.admin-accent select{font-size:16px;min-width:0;min-height:44px}
.admin-setting-content button{border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--ink);text-align:left;padding:10px 12px;min-height:44px;font-size:13px;overflow-wrap:anywhere}
.admin-reset summary{padding:12px 0;cursor:pointer;min-height:44px}
.admin-reset p{font-size:12px;color:var(--muted);margin:0 0 12px;line-height:1.5}
.admin-danger,.admin-profile-panel>.admin-danger,.admin-setting-content .admin-danger{color:#a43f46}
@media(max-width:350px){#admin-profile-picker{max-width:133px}.admin-profile-controls{gap:2px}.admin-category-list{padding-left:20px}}
.admin-deck-label{cursor:default;padding:0 58px 0 16px;gap:8px}
.admin-deck-name{flex:1;min-width:0;align-self:stretch;min-height:80px;padding:13px 4px;background:none;border:0;text-align:left;color:var(--ink)}
.admin-category-label{cursor:default}
.sync-status.sync-error{position:static;width:auto;height:auto;clip-path:none;white-space:normal;margin:8px 14px 0;padding:10px 12px;border:1px solid #e4b9b9;border-radius:10px;background:#fff0ee;color:#93392c;text-align:left;font-size:13px}
.study-modes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px;padding:4px;background:var(--soft);border-radius:12px;margin:0 0 18px}
.study-modes button{min-height:44px;min-width:0;padding:8px 3px;border:0;border-radius:9px;background:none;color:var(--muted);font-size:14px;font-weight:600}
.study-modes button[aria-pressed="true"]{background:var(--surface);color:var(--ink);box-shadow:0 1px 4px #203b4a12}
.study-flash{perspective:1200px;overflow-x:clip}
.flash-card-shell{position:relative;transform-origin:50% 50%;transform-style:preserve-3d;backface-visibility:hidden;-webkit-backface-visibility:hidden}
.flash-card-shell.flash-turning{pointer-events:none;will-change:transform}
.session-card .prompt-card.has-category{position:relative;padding-top:46px}
.card-category{position:absolute;top:15px;left:20px;right:20px;text-align:left;font-size:12px;line-height:1.35;font-weight:500;color:var(--muted);overflow-wrap:anywhere;pointer-events:none}
.typing-mode .session-card .prompt-card.has-category{padding-top:33px}
.typing-mode .card-category{top:9px;left:12px;right:12px;font-size:11px}
.flash-card{width:100%;font:inherit;touch-action:pan-y;user-select:none;-webkit-user-select:none}
.flash-card[data-swipe="right"]{background:#edf6ef;border-color:#aac8ad}.flash-card[data-swipe="left"]{background:#fff0ec;border-color:#e7b9af}
.flash-card .label{max-width:100%;overflow-wrap:anywhere}

.flash-speaker{position:absolute;bottom:12px;left:calc(50% - 22px);width:44px;height:44px;color:var(--accent);background:var(--soft)}
.flash-hint{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted);min-height:44px;align-items:center;padding:4px 2px}
.flash-hint:has(span:only-child){justify-content:center}
.flash-hint span:first-child:not(:only-child){color:#a04435}.flash-hint span:last-child:not(:only-child){color:#2a6948}
.session-exit{justify-content:center;margin-top:16px}
.study-typing .answer-block{padding:12px 0 0}.study-typing .answer-form{margin-top:0;max-width:none}
.study-typing .answer-options{justify-content:center;margin-top:8px}
.hands-free-controls{text-align:center;padding:20px 0 4px}
.voice-orb{display:flex;align-items:center;justify-content:center;width:60px;height:60px;border-radius:50%;background:var(--soft);color:var(--accent);font-size:26px;margin:0 auto 8px}
.voice-orb.listening{background:#dcefed;color:#166d75}
.voice-phase{font-size:13px;color:var(--muted);min-height:20px;margin:0 0 12px}
.typing-mode .study-modes{display:grid;flex-shrink:0;margin:0 0 5px;padding:3px}
.typing-mode .study-modes button{min-height:36px;font-size:12px;padding:4px}
@media(max-width:720px){body:not(.typing-mode) .session-card.study-flash .prompt-card{min-height:220px}body:not(.typing-mode) .session-card.study-typing .answer-block{padding:12px 0 0}.study-modes{margin-bottom:14px}.session-top{flex-wrap:wrap}}
.catalog-manager{margin:24px 0}.catalog-actions{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.catalog-manager h2{font-size:1.2rem}.catalog-manager label{display:grid;gap:6px;margin:14px 0}.catalog-manager input,.catalog-manager select,.catalog-manager textarea{width:100%;min-width:0}.catalog-manager textarea{min-height:80px}.catalog-manager .catalog-inline{display:flex;align-items:center}.catalog-inline input{width:auto}.catalog-row{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;text-align:left;margin:6px 0}.catalog-row small{display:block;font-weight:400;color:var(--muted,#71808a);margin-top:5px}.catalog-preview{max-height:320px;overflow:auto}.catalog-manager form{padding:16px;background:white;border-radius:16px}.catalog-manager details{margin:12px 0}.catalog-manager p{overflow-wrap:anywhere}

.flash-undo-row{display:flex;justify-content:center;margin:10px 0 0}.flash-undo-row .btn{color:var(--muted);min-height:40px}
/* The editor lives outside the refreshed main view, including while a file chooser is open. */
#catalog-workspace{width:min(700px,calc(100% - 24px));max-height:calc(100svh - 32px);margin:auto;padding:20px;border:1px solid var(--border);border-radius:20px;color:var(--ink);overflow:auto;overscroll-behavior:contain}#catalog-workspace::backdrop{background:#17384a66}#catalog-workspace>[data-catalog-close]{display:block;margin-left:auto}#catalog-error{color:#a04435;overflow-wrap:anywhere}#catalog-error:empty{display:none}
body.flash-mode{height:100svh;min-height:0;overflow:hidden;overscroll-behavior-y:none}.flash-mode .app-shell{height:100%;min-height:0;display:flex;flex-direction:column;padding-bottom:env(safe-area-inset-bottom)}.flash-mode .app-header{flex-shrink:0}.flash-mode main{flex:1;min-height:0;overflow-y:auto;overflow-x:clip;overscroll-behavior-y:none;overflow-anchor:none}.flash-mode .flash-hint{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px;min-height:48px}.flash-mode .flash-hint:has(span:only-child){display:flex;justify-content:center}.flash-hint .btn{min-height:48px;font-size:14px;padding:10px 6px;white-space:normal}.flash-hint .flash-grade-wrong{color:#a04435}.flash-hint .flash-grade-good{color:#2a6948}.practice-label{text-align:center;color:var(--accent);font-size:14px;font-weight:700;margin:0 0 16px}
html:has(body.flash-mode){height:100%;overflow:hidden;overscroll-behavior-y:none}body.flash-mode{position:fixed;inset:0;width:100%}@media(max-width:720px){.flash-mode .app-header{height:auto;min-height:calc(69px + env(safe-area-inset-top));padding-top:calc(12px + env(safe-area-inset-top));padding-bottom:12px}}

.library-word-term{min-width:0}.library-review-date{display:block;margin-top:4px;font-size:11px;font-weight:400;line-height:1.35;color:var(--muted)}.library-review-date.is-due{color:var(--accent)}

.library-study{margin:4px 0 14px}.library-study .btn{width:100%;min-height:44px;font-size:14px}.library-study .btn:disabled{opacity:.5;cursor:default}.library-study p{margin:8px 0 0}

.study-choices{margin:0 0 16px;color:var(--muted)}.study-choices>summary{text-align:right;cursor:pointer;font-size:14px;padding:6px}.study-series-choice{background:white;border:1px solid var(--border,#dce4e8);border-radius:12px;padding:12px;margin-top:8px;color:var(--text,#203b4a)}.study-series-choice>summary{font-weight:600;cursor:pointer;padding:4px 0}.study-choice{display:flex;align-items:center;gap:10px;padding:9px 0;font-size:14px}.study-choice input{width:20px;height:20px;flex-shrink:0;accent-color:var(--accent)}.study-choice span{flex:1;min-width:0}.category-lock{border:0;background:none;cursor:pointer;padding:5px;font-size:14px}.study-series-choice .study-choice:nth-of-type(2){border-bottom:1px solid #e6ecee;margin-bottom:5px}
.catalog-category-order{padding:0;list-style:none}.catalog-category-order li{display:flex;align-items:center;gap:8px;border-bottom:1px solid #e6ecee;padding:8px 0}.catalog-category-order .category-name{flex:1;min-width:0}.catalog-category-order button{padding:6px 10px;min-height:36px}.category-drag{touch-action:none;cursor:grab;user-select:none}.catalog-category-order .dragging{opacity:.5}.catalog-category-order .drop-target{box-shadow:0 -3px var(--accent)}

.category-drag{display:inline-flex;align-items:center;justify-content:center;min-width:32px;min-height:44px}.catalog-category-order li{padding:2px 0}.catalog-category-order .category-drag:focus-visible{outline:2px solid var(--accent);border-radius:4px}

.library-level-filter{grid-template-columns:1fr}.distribution-locked{background:repeating-linear-gradient(135deg,#c1cbd1 0,#c1cbd1 3px,#e1e6e9 3px,#e1e6e9 6px);border-left:2px solid var(--surface,#fff)}.library-locked-detail{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;min-height:36px;padding:4px 10px;font-size:12px;color:var(--muted)}.library-category{background:var(--surface,#fff);border:1px solid var(--border);border-radius:14px;margin:10px 0;overflow:hidden}.library-category-heading{display:flex;align-items:center;gap:12px;padding:14px}.library-category-toggle{flex:1;min-width:0;display:block;text-align:left;border:0;background:none;color:var(--ink);padding:0;cursor:pointer;min-height:48px}.library-category-title{display:flex;align-items:center;gap:8px}.library-category-title strong{flex:1;font-size:15px;line-height:1.35;overflow-wrap:anywhere}.library-category-count{font-size:11px;font-weight:400;white-space:nowrap;color:var(--muted)}.library-category-chevron{font-size:17px;color:var(--muted)}.library-category-toggle .home-distribution{height:6px;margin:10px 0 0}.library-category-locked{display:block;margin-top:7px;font-size:11px;color:var(--muted)}.library-category-review{min-height:44px;border:0;border-radius:9px;padding:8px 10px;background:var(--soft);color:var(--accent);font-size:12px;font-weight:600;white-space:nowrap;cursor:pointer}.library-category-review:disabled{opacity:.45;cursor:default}.library-category-words{border-top:1px solid var(--border)}.library-category-words .word-list{border-radius:0}.library-progress-meta #library-locked{white-space:nowrap}@media(max-width:380px){.library-category-heading{gap:8px;padding:11px}.library-category-title{gap:5px}.library-category-title strong{font-size:14px}.library-category-count{font-size:10px}.library-category-review{padding:8px;font-size:11px}}

.home-review-all{display:flex;width:100%;max-width:660px;margin:0 auto 14px;min-height:48px;font-size:15px}

/* Non-blocking category unlock, kept outside the changing flashcard DOM. */
.unlock-celebration[hidden]{display:none}
.unlock-celebration{position:fixed;top:calc(85px + env(safe-area-inset-top));left:50%;transform:translateX(-50%);z-index:35;display:flex;align-items:center;gap:12px;width:max-content;max-width:calc(100vw - 32px);padding:15px 20px;border:1px solid #c7dddd;border-radius:18px;background:#fff;box-shadow:0 10px 40px #17384a18;color:var(--accent);pointer-events:none}
.unlock-celebration.show{animation:unlock-notice 3.6s both}
.unlock-celebration small{display:block;font-size:11px;color:var(--muted);margin-bottom:3px}
.unlock-celebration strong{display:block;font-size:16px;max-width:280px;overflow-wrap:anywhere}
.unlock-icon{width:32px;height:32px;flex-shrink:0;overflow:visible}
.unlock-shackle{transform-origin:11px 14px;animation:unlock-open .65s .15s both}
.unlock-confetti{position:absolute;inset:0;overflow:visible;pointer-events:none}
.unlock-confetti i{position:absolute;left:50%;top:50%;width:4px;height:9px;border-radius:2px;background:#459a98;animation:unlock-confetti 1.1s calc(var(--i)*15ms) both}
.unlock-confetti i:nth-child(3n){background:#d7bf82}.unlock-confetti i:nth-child(3n + 1){background:#a7c8b3}
@keyframes unlock-open{to{transform:rotate(-32deg) translateY(-2px);opacity:0}}
@keyframes unlock-confetti{0%{opacity:0;transform:translate(0,0) rotate(0)}15%{opacity:1}100%{opacity:0;transform:translate(var(--x),75px) rotate(var(--r))}}
@keyframes unlock-notice{0%{opacity:0;transform:translate(-50%,8px) scale(.97)}10%,85%{opacity:1;transform:translate(-50%,0) scale(1)}100%{opacity:0;transform:translate(-50%,-5px)}}
@media(prefers-reduced-motion:reduce){.unlock-celebration.show,.unlock-shackle,.unlock-confetti i{animation:none!important}.unlock-confetti{display:none}.unlock-shackle{display:none}}

.home-review-all{flex-direction:column;justify-content:center;gap:4px}.home-review-count{font-size:12px;font-weight:500;opacity:.85;white-space:nowrap}

/* Optional cloze help, with independent controls outside the flip button. */
.flash-card-shell{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:23px;overflow:hidden}
.session-card.study-flash .flash-card-shell .prompt-card.flash-card{flex:1;border:0;border-radius:0;background:transparent;color:var(--ink);min-height:200px;padding:46px 20px 18px;gap:12px}
.flash-card .flash-cloze{color:var(--ink);overflow-wrap:anywhere}
.session-card.study-flash .flash-card[data-swipe="right"]{background:#edf6ef}.session-card.study-flash .flash-card[data-swipe="left"]{background:#fff0ec}
.flash-tools{position:static;padding:0 15px 13px;display:grid;grid-template-columns:44px 1fr 44px;align-items:center;gap:6px;pointer-events:none}
.flash-tools button{pointer-events:auto;min-height:44px}
.flash-tools .flash-speaker{position:static;width:44px;height:44px;background:transparent}
.flash-flip-icon{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border:0;border-radius:50%;color:var(--accent);background:transparent}
.flash-flip-icon:hover{background:var(--soft)}
.cloze-toggle{justify-self:center;border:0;border-radius:24px;background:#eef5f5;color:var(--accent);font-size:13px;line-height:1.2;padding:9px 14px;display:flex;align-items:center;gap:7px}
.flash-cloze{display:block;max-width:38ch;margin:20px auto 6px;font-size:clamp(16px,3vw,21px);font-weight:400;line-height:1.5;letter-spacing:0}
.flash-cloze[hidden]{display:none}.cloze-blank{color:var(--accent);font-weight:700;white-space:nowrap}.flash-cloze mark{background:var(--soft);color:var(--accent);border-radius:5px;padding:1px 3px;font-weight:650}
.cloze-auto-row{display:flex;justify-content:flex-end;margin:-6px 0 6px}.cloze-auto{display:inline-flex;align-items:center;gap:9px;min-height:44px;padding:4px 0;border:0;background:none;color:var(--muted);font-size:12px}.cloze-switch{display:inline-block;width:30px;height:18px;border-radius:12px;background:#cdd8dc;position:relative}.cloze-switch:after{content:"";position:absolute;top:3px;left:3px;width:12px;height:12px;background:white;border-radius:50%;transition:transform .15s}.cloze-auto[aria-checked="true"] .cloze-switch{background:var(--accent)}.cloze-auto[aria-checked="true"] .cloze-switch:after{transform:translateX(12px)}
.catalog-cloze-editor fieldset{border:1px solid var(--border);border-radius:12px;margin:12px 0;padding:12px}.catalog-cloze-editor legend{font-size:12px;color:var(--muted)}