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142px}.mobile-header{height:76px;display:flex;align-items:center;justify-content:space-between}.mobile-brand{display:flex;align-items:center;gap:9px;font-size:19px;font-weight:650;letter-spacing:.02em}.mobile-header .brand-mark{width:33px;height:35px;border-radius:10px 10px 10px 3px}.mobile-header .brand-mark svg{width:19px;height:19px}.topline{margin-bottom:13px}.eyebrow{font-size:9px;letter-spacing:.07em}.help-button{font-size:9px;padding:0}.help-button svg{width:13px;height:13px}.welcome{min-height:242px;padding:23px 23px;border-radius:14px}.welcome-kicker{font-size:9px;letter-spacing:.06em}.welcome h1{font-size:23px;line-height:1.65;letter-spacing:.02em;margin:11px 0 9px}.welcome p{font-size:9px;line-height:1.8;max-width:190px;margin-bottom:17px}.welcome-copy>small{font-size:8px;margin-top:10px}.welcome .primary-button{font-size:10px;padding:10px 13px;min-height:36px;gap:14px}.welcome-art{position:absolute;width:125px;min-width:0;right:2px;top:28px;bottom:0;opacity:.92}.art-card{width:124px;height:146px;left:0;top:46px;padding:14px}.art-card-front{transform:rotate(11deg)}.art-card-back{transform:rotate(-9deg) translate(0,4px)}.art-card strong{font-size:22px;margin-top:17px}.art-card em{font-size:8px}.art-label{font-size:4px}.art-meaning{font-size:7px;margin-top:17px}.art-sound svg{width:16px;height:16px}.art-orbit{left:-13px;top:30px;width:160px;height:165px}.orbit-two{left:-20px;top:51px;width:165px;height:119px}.art-dot{width:5px;height:5px;left:-10px;top:105px}.art-spark{right:10px;top:22px;font-size:18px}.stats-strip{margin:22px 0 30px;padding:0 1px 22px;gap:10px}.stats-strip>div{gap:8px}.stats-strip>div+div{padding-left:11px}.stat-icon{width:30px;height:32px;border-radius:8px}.stat-icon svg{width:14px;height:14px}.stats-strip p{gap:3px}.stats-strip strong{font-size:23px}.stats-strip p>span{font-size:8px}.library-heading{margin-bottom:19px}.section-kicker{font-size:7px;letter-spacing:.13em}.library-heading h2{font-size:19px;margin-top:7px}.library-heading h2 span{font-size:13px}.view-switch{gap:2px;padding:3px}.view-switch button{padding:6px 8px;font-size:9px;gap:4px}.view-switch svg{width:13px;height:13px}.search-row{gap:8px;margin-bottom:14px}.search-box{padding:0 12px;gap:8px;border-radius:8px}.search-box input{height:42px;font-size:11px}.search-box svg{width:16px;height:16px}.search-box kbd{display:none}.search-row>.secondary-button{padding:10px 12px;min-height:42px;gap:6px;font-size:10px;border-radius:8px}.search-row>.secondary-button svg{width:14px;height:14px}.filters{gap:12px;margin-bottom:15px}.book-tabs{width:100%;justify-content:space-between;gap:5px}.book-tabs button{font-size:10px;padding:9px 10px;flex:1}.filter-tools{justify-content:space-between;gap:8px}.select-label{flex:1;max-width:35%}.select-label select{font-size:9px;padding-left:7px;padding-right:16px;width:100%;max-width:100%;height:29px}.hide-meaning{font-size:9px;gap:4px}.hide-meaning svg{width:13px;height:13px}.library-hint{font-size:8px;margin-bottom:13px}.cards-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.word-card{padding:15px 14px 10px;border-radius:10px}.card-meta{font-size:7px;margin-bottom:15px;letter-spacing:0;gap:3px}.card-stars{font-size:7px;letter-spacing:0}.word-title{font-size:25px;line-height:1.2}.sound-button{width:24px;height:24px}.sound-button svg{width:13px;height:13px}.word-play{gap:4px}.phonetic{font-size:10px;margin-top:7px;min-height:16px}.meaning{font-size:10px;line-height:1.8;margin-top:12px;min-height:18px}.collocation{font-size:8px;line-height:1.8;margin-top:7px;min-height:14px}.collocation-label{font-size:7px;display:none}.card-bottom{margin-top:12px;padding-top:8px;gap:0}.card-actions{gap:0}.card-action{width:25px;height:26px}.card-action svg{width:14px;height:14px}.more-button,.reveal-button{font-size:8px}.card-number{font-size:7px;margin-right:2px}.example-en{font-size:12px}.example-zh{font-size:9px}.card-examples{margin-top:10px;padding-top:10px}.focus-mode .word-card{padding:25px 26px 20px;min-height:340px}.focus-mode .word-title{font-size:40px}.focus-mode .phonetic{font-size:14px}.focus-mode .meaning{font-size:15px}.focus-mode .collocation{font-size:12px}.focus-mode .example-en{font-size:17px}.focus-mode .example-zh{font-size:12px}.focus-mode .card-meta{font-size:9px;margin-bottom:22px}.focus-mode .card-stars{font-size:10px;letter-spacing:1px}.focus-mode .card-action{width:35px;height:34px}.focus-controls{margin-top:16px}.focus-controls button{font-size:11px;padding:11px 14px}.focus-controls>span{font-size:10px}.page-footer{margin-top:28px;padding-top:17px;font-size:8px;line-height:1.7;gap:3px}.audio-status{left:12px;right:12px;bottom:calc(69px + env(safe-area-inset-bottom));width:auto;max-width:none;border-radius:9px;font-size:9px;min-height:32px;padding:8px 10px;gap:7px;box-shadow:none}.audio-status-text{min-width:0;overflow:hidden}.audio-accent{margin-left:auto;font-size:8px}.mobile-nav{position:fixed;left:0;right:0;bottom:0;display:flex;justify-content:space-around;align-items:center;background:#f9fbf5f5;backdrop-filter:blur(15px);border-top:1px solid #e0e6d5;padding:7px 9px calc(8px + env(safe-area-inset-bottom));z-index:10;height:calc(61px + env(safe-area-inset-bottom))}.mobile-nav button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-width:57px;min-height:44px;font-size:9px;color:#a0aa94;background:none;border-radius:9px}.mobile-nav button svg{width:18px;height:18px}.mobile-nav button.active{color:#365c2b;background:#e8efdf}.toast{bottom:calc(112px + env(safe-area-inset-bottom));font-size:11px}.dialog-header{padding:22px 22px 18px}.dialog-header h2{font-size:19px}.dialog-body{padding:0 22px 22px}.setting-row{padding:18px 0}.setting-row strong,.guide-box>strong,.data-section>strong{font-size:11px}.segmented button{font-size:10px;padding:8px 10px}.setting-row p{font-size:9px}.guide-box{margin:20px 0;padding:15px}.guide-box p{font-size:9px}.data-section>p{font-size:9px}.keyboard-hint{display:none}.load-more-wrap{margin-top:22px}.load-more-wrap button{font-size:10px}.empty-state{min-height:250px;padding:30px 20px}}@media(max-width:380px){.main{padding-left:15px;padding-right:15px}.welcome{padding:21px 19px}.welcome h1{font-size:21px}.welcome-art{right:-16px;opacity:.8}.welcome p{max-width:175px}.stat-icon{display:none}.stats-strip>div{justify-content:center}.stats-strip>div+div{padding-left:10px}.stats-strip p{align-items:center}.stats-strip strong{font-size:24px}.cards-grid{gap:9px}.word-card{padding:14px 11px 9px}.word-title{font-size:23px}.sound-button{width:21px;height:21px}.card-stars{font-size:6px}.card-meta{font-size:6px}.book-tabs button{font-size:9px;padding:8px 6px}.search-row>.secondary-button{padding:10px}.search-row>.secondary-button span{display:none}.audio-status{font-size:8px}.audio-accent{font-size:7px}.focus-mode .word-card{padding:23px 23px 19px}.focus-mode .word-title{font-size:36px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media(max-width:650px){.mobile-header{height:68px}.topline{display:none}.welcome{min-height:164px;padding:19px 20px}.welcome-kicker,.welcome p{display:none}.welcome h1{font-size:21px;line-height:1.5;margin:0 0 13px}.welcome .primary-button{min-height:32px;padding:8px 12px;font-size:9px}.welcome-copy>small{font-size:7px;margin-top:8px}.welcome-art{top:0;right:5px;transform:scale(.84);transform-origin:right center}.stats-strip{margin:18px 0 25px;padding-bottom:18px}.library-heading{margin-bottom:17px}.search-row{margin-bottom:13px}.filters{margin-bottom:12px}.library-hint{margin-bottom:11px}.word-title{font-size:23px}}
@media(max-width:380px){.welcome{padding:18px}.welcome h1{font-size:20px}.welcome-art{right:-14px}.word-title{font-size:22px}}
@media(max-width:650px){.cards-grid:not(.focus-mode) .word-card .word-play{display:block}.cards-grid:not(.focus-mode) .word-card .word-play .sound-button{position:absolute;top:13px;right:13px;width:23px;height:23px}.cards-grid:not(.focus-mode) .word-card .card-meta{padding-right:25px;min-height:23px;margin-bottom:9px;align-items:flex-start;padding-top:3px}.cards-grid:not(.focus-mode) .word-card .card-meta>span:nth-child(2):not(.card-stars){display:none}.word-title{font-size:24px}.phonetic{font-size:11px}.meaning{font-size:11px}.collocation{font-size:9px}.focus-mode .word-play{display:flex}.focus-mode .word-play .sound-button{position:static}.focus-mode .card-meta{padding-right:0}}

@media(max-width:650px){.cards-grid{grid-template-columns:minmax(0,1fr);gap:13px}.word-card{padding:20px 22px 14px}.word-title{font-size:30px;overflow-wrap:normal;word-break:normal}.cards-grid:not(.focus-mode) .word-card .card-meta{font-size:9px;min-height:22px;margin-bottom:8px;padding-top:2px;padding-right:35px}.cards-grid:not(.focus-mode) .word-card .word-play .sound-button{width:29px;height:29px;top:17px;right:20px}.cards-grid:not(.focus-mode) .word-card .word-play .sound-button svg{width:16px;height:16px}.card-stars{font-size:9px;letter-spacing:1px}.phonetic{font-size:13px;margin-top:7px}.meaning{font-size:13px;line-height:1.8;margin-top:13px}.collocation{font-size:11px;line-height:1.8;margin-top:7px}.collocation-label{display:inline;font-size:9px}.card-bottom{margin-top:14px;padding-top:9px}.more-button,.reveal-button{font-size:10px}.card-action{width:34px;height:31px}.card-action svg{width:17px;height:17px}.card-number{font-size:9px;margin-right:9px}.card-examples{margin-top:14px;padding-top:14px}.example-en{font-size:17px;line-height:1.7}.example-zh{font-size:12px;line-height:1.8}.focus-mode .word-title{font-size:clamp(27px,9vw,40px)}.focus-mode .phonetic{font-size:14px}.focus-mode .meaning{font-size:15px}.focus-mode .collocation{font-size:12px}.focus-mode .card-number,.focus-mode .more-button,.focus-mode .reveal-button{font-size:11px}}
@media(max-width:380px){.word-title{font-size:28px}.word-card{padding-left:20px;padding-right:20px}.focus-mode .word-title{font-size:clamp(25px,8.5vw,36px)}}
.art-card-front{font:inherit;color:var(--ink);text-align:left;border:0}.art-card-front:hover{box-shadow:0 16px 32px #203c2924}.art-card-front:disabled{cursor:wait}.art-card-front strong{font-size:calc(33px * var(--hero-fit,1));white-space:nowrap}.art-card-front em,.art-meaning{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.art-label{display:block}.art-sound{pointer-events:none}
@media(max-width:850px){.art-card-front strong{font-size:calc(25px * var(--hero-fit,1))}}
@media(max-width:650px){.art-card-front strong{font-size:calc(20px * var(--hero-fit,1))}}
@media(max-width:650px){.art-card{top:30px}.art-orbit{top:14px}.orbit-two{top:35px}.art-dot{top:89px}.art-spark{top:13px}}
.welcome-art{z-index:2;pointer-events:none}.art-card-front{pointer-events:auto}
/* Clip decorative rotations without creating a horizontal scroll container on focus. */
@supports (overflow:clip){.welcome{overflow:clip}}
@media(max-width:380px){.welcome-art{right:11px;transform:scale(.7);transform-origin:right center}.welcome h1{font-size:18px}}
/* Continuous listening keeps the same quiet, readable study surface. */
.listen-panel{border:1px solid #dbe4d5;border-radius:12px;background:#edf2e7;margin:18px 0 20px;scroll-margin-top:20px;overflow:hidden}.listen-header{display:flex;align-items:center;gap:12px;padding:12px 15px}.listen-heading-button{display:flex;align-items:center;gap:10px;flex:1;min-width:0;background:none;text-align:left;color:var(--green);padding:0}.listen-mark{width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;color:#5a7b4b;background:#dde8d4;flex-shrink:0}.listen-mark svg{width:18px;height:18px}.listen-heading-button>span:nth-child(2){min-width:0}.listen-heading-button strong{display:block;font-size:15px;letter-spacing:.06em;font-weight:650}.listen-heading-button small{display:block;font-size:9px;color:#8c9a7e;margin-top:5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}.listen-chevron{font-size:17px;color:#8e9e80;margin-left:auto;transition:transform .15s}.expanded .listen-chevron{transform:rotate(180deg)}.listen-header>.primary-button{font-size:11px;min-height:36px;gap:7px;padding:9px 12px;max-width:160px}.listen-header>.primary-button svg{width:14px;height:14px;fill:currentColor;stroke-width:1}.listen-body{border-top:1px solid #dfe8d8;padding:17px 20px 19px}.listen-scope{display:flex;align-items:center;gap:9px;flex-wrap:wrap}.listen-scope label{font-size:10px;color:#839777}.listen-scope select{border:1px solid #d1ddc8;background:#f8faf4;border-radius:6px;color:#567247;padding:7px 25px 7px 9px;min-width:0;max-width:190px;font-size:11px}.listen-scope>span{margin-left:auto;font-size:9px;color:#91a083}.listen-now{margin:19px 0 14px;min-width:0}.listen-now-top{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:9px;color:#8a9b7c;margin-bottom:12px}.listen-now-top>span:first-child{color:#60834e}.listen-now-top>span:last-child{white-space:nowrap;font-variant-numeric:tabular-nums}.listen-now>strong{display:block;font-family:var(--serif);font-size:34px;line-height:1.25;font-weight:500;color:#244936;overflow-wrap:break-word}.listen-now>span{display:block;font-size:13px;color:#91a181;margin-top:6px;overflow-wrap:anywhere}.listen-now>p{font-size:12px;line-height:1.8;color:#658056;margin:10px 0 0;overflow-wrap:anywhere}.native-player{min-width:0;margin:13px 0}.native-player audio{display:block;width:100%;max-width:100%;min-width:0;height:43px;border-radius:9px}.listen-controls{display:grid;grid-template-columns:1fr 1.7fr 1fr 38px;gap:8px;align-items:center}.listen-controls .primary-button,.listen-controls .secondary-button{min-width:0;padding:10px 9px;min-height:39px;font-size:11px;gap:6px}.listen-controls svg{width:15px;height:15px}.listen-controls .primary-button svg{fill:currentColor;stroke-width:1}.listen-stop{width:38px;height:39px;display:flex;align-items:center;justify-content:center;background:#e3ebdb;border:1px solid #d6e1cc;border-radius:8px;color:#89a078}.listen-stop:hover{background:#d7e4cd}.listen-stop svg{width:15px;height:15px}.listen-options{display:flex;align-items:center;gap:11px;margin:15px 0 11px;flex-wrap:wrap}.listen-options .segmented{background:#dfe9d6}.listen-options .segmented button{font-size:10px;padding:7px 11px}.listen-options .segmented button.active{background:#fff}.listen-loop{margin-left:auto;display:flex;align-items:center;gap:5px;font-size:10px;color:#7c926d;cursor:pointer;white-space:nowrap}.listen-loop input{accent-color:var(--green);width:15px;height:15px;margin:0}.listen-message{font-size:10px;line-height:1.9;color:#8e9f80;margin:8px 0 15px;overflow-wrap:anywhere}.listen-direct{border-top:1px solid #dae5d0;padding-top:14px}.listen-direct>span{font-size:10px;color:#7e956d;display:block}.listen-direct>div{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:11px}.listen-link{display:inline-flex;align-items:center;gap:5px;color:#466d36;font-size:11px;text-decoration:underline;text-decoration-color:#abbf9a;text-underline-offset:4px}.listen-link svg{width:13px;height:13px}.listen-direct>small{display:block;font-size:9px;line-height:1.8;color:#9aac8b;margin-top:10px}.listen-panel[data-status=playing]{border-color:#adc39b}.listen-panel[data-status=playing] .listen-mark{background:#cfdfc2;color:#486f36}.listen-panel[data-status=error] .listen-now-top>span:first-child{color:#b57e52}.basic-player-link{font-size:10px;color:#657f52;text-decoration:underline;text-underline-offset:3px}.has-fallback-dialog:before{content:"";position:fixed;inset:0;background:#1a30275c;backdrop-filter:blur(3px);z-index:30}.dialog-fallback{display:block;position:fixed;top:7vh;left:50%;transform:translateX(-50%);margin:0;z-index:40;max-height:86vh;overflow:auto}dialog:not([open]){display:none}
@media(max-width:850px){.listen-scope>span{font-size:8px}.listen-scope select{font-size:10px;max-width:160px}.listen-body{padding:15px 17px 17px}.listen-options{gap:8px}.listen-options .segmented button{padding:7px 9px}}
@media(max-width:650px){.listen-panel{margin:14px 0 17px;border-radius:10px;scroll-margin-top:15px}.listen-header{padding:11px 12px;gap:10px}.listen-mark{width:29px;height:31px;border-radius:8px}.listen-mark svg{width:16px;height:16px}.listen-heading-button{gap:8px}.listen-heading-button strong{font-size:14px}.listen-heading-button small{font-size:8px;margin-top:5px}.listen-header>.primary-button{font-size:10px;padding:9px 10px;min-height:34px;gap:6px;max-width:132px}.listen-header>.primary-button svg{width:12px;height:12px}.listen-chevron{font-size:15px}.listen-body{padding:14px 15px 16px}.listen-scope{gap:8px}.listen-scope label{font-size:10px}.listen-scope select{flex:1;max-width:none;font-size:10px}.listen-scope>span{flex-basis:100%;text-align:right;font-size:9px;margin-top:1px}.listen-now{margin:15px 0 12px}.listen-now-top{font-size:9px;margin-bottom:10px}.listen-now>strong{font-size:31px}.listen-now>span{font-size:12px}.listen-now>p{font-size:12px;margin-top:9px}.native-player{margin:12px 0}.native-player audio{height:42px}.listen-controls{grid-template-columns:1fr 1.7fr 1fr 32px;gap:7px}.listen-controls .primary-button,.listen-controls .secondary-button{font-size:10px;min-height:38px;padding:9px 6px;gap:4px}.listen-controls svg{width:13px;height:13px}.listen-stop{width:32px;height:38px}.listen-options{gap:8px;margin:13px 0 10px}.listen-options .segmented button{font-size:9px;padding:7px 10px}.listen-loop{font-size:9px;gap:4px}.listen-message{font-size:9px;line-height:1.85;margin-bottom:13px}.listen-direct{padding-top:12px}.listen-direct>span{font-size:9px}.listen-link{font-size:10px}.listen-direct>div{gap:11px 16px}.listen-direct>small{font-size:8px;line-height:1.9}.basic-player-link{font-size:9px}}
@media(max-width:380px){.listen-body{padding-left:12px;padding-right:12px}.listen-header{padding-left:11px;padding-right:11px}.listen-header>.primary-button{font-size:9px;padding-left:9px;padding-right:9px}.listen-heading-button strong{font-size:13px}.listen-heading-button small{font-size:7px}.listen-mark{width:26px;height:28px}.listen-controls #listen-prev span,.listen-controls #listen-next span{display:none}.listen-controls{grid-template-columns:1fr 2fr 1fr 30px;gap:6px}.listen-stop{width:30px}.listen-options{gap:6px}.listen-options .segmented{gap:1px;padding:2px}.listen-options .segmented button{font-size:9px;padding:7px 8px}.listen-now>strong{font-size:28px}}