/* Alice 4.0 — quieter navigation, single-focus learning, compact mobile home */
:root{--bg:#fafbf8;--ink:#192c23;--green:#36aa61;--gd:#25864d;--line:#e8eee7;--shadow:0 7px 26px rgba(43,69,53,.035)}
.top{height:62px;padding:12px 22px;background:#fafbf8;border-bottom:0}
.brand-mark{height:34px;width:34px;font-size:24px;line-height:31px;border-radius:12px}
.brand b{font-size:24px}
.brand small{letter-spacing:.11em;font-size:8px}
.streak{background:transparent;padding:7px 3px;color:#788a7c;font-size:12px}
.round-icon{background:#eaf0ea;width:36px;height:36px;border-radius:12px}
.bottom{padding:10px 18px calc(10px + env(safe-area-inset-bottom));gap:6px;border-color:#eef0ec;background:#fff}
.nav{font-size:11px;border-radius:15px;padding:6px 0 5px}
.navico{font-size:23px}
.nav.on{color:#1c9652;background:#ecf7ec}
.main{padding:20px 20px 25px;background:var(--bg)}
.minimal-home{max-width:450px;margin:0 auto;padding:12px 0}
.home-topline{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:11px;letter-spacing:.02em;font-weight:800;color:#7b9582}
.minimal-home h1{font-size:30px;line-height:1.25;letter-spacing:-.075em;font-weight:950;margin:21px 0 7px}
.home-flower{color:#52b96c;font-size:27px;vertical-align:3px}
.minimal-home>p{font-size:13px;line-height:1.65;color:#8a9b8e;margin:0 0 26px}
.focus-card{background:#fff;border:1px solid #e5eee3;border-radius:26px;padding:22px 19px 18px;box-shadow:0 12px 32px #346b3e0a}
.focus-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px;gap:8px}
.focus-label{font-size:12px;color:#2a9655;font-weight:900}.focus-count{font-size:11px;color:#7c9380;font-weight:750}
.focus-progress,.drill-progress{height:8px;background:#edf3eb;border-radius:30px;overflow:hidden}
.focus-progress>div,.drill-progress>div{height:100%;background:#57bf72;border-radius:inherit;transition:width .25s}
.focus-card h2{font-size:23px;line-height:1.32;letter-spacing:-.055em;margin:28px 0 8px;font-weight:950}
.focus-card>p{font-size:13px;color:#809186;line-height:1.6;margin:0 0 24px}
.focus-primary{width:100%;border:0;background:#34af62;color:white;min-height:58px;padding:16px;border-radius:17px;font-size:16px;letter-spacing:-.04em;font-weight:950;display:flex;align-items:center;justify-content:space-between;box-shadow:inset 0 -3px #239650;transition:filter .15s}
.focus-primary:active{filter:brightness(.94)}.focus-primary span{font-size:23px}
.focus-review{display:flex;justify-content:space-between;gap:8px;color:#6c8774;font-size:11px;margin-top:18px}
.focus-review span:first-child{font-weight:800;color:#347f4e}
.home-chat{margin-top:15px;width:100%;background:#fff;border:1px solid #e6ede6;border-radius:21px;padding:14px 17px;display:flex;align-items:center;text-align:left;gap:12px;color:#203b2b;box-shadow:0 8px 18px #264c3207}
.home-chat-portrait{display:flex}.home-chat-portrait .avatar{width:48px;height:48px;border-radius:17px}.home-chat-portrait .avatar svg{width:46px;height:46px}
.home-chat-label{flex:1}.home-chat-label b{display:block;font-size:15px;font-weight:900}.home-chat-label small{color:#849488;font-size:11px;display:block;margin-top:5px}
.home-chat-arr{font-size:30px;color:#93aa9a;font-weight:300}
.minimal-home .home-footnote{text-align:center;margin:22px 5px 0;font-size:11px;line-height:1.6;color:#a0afa3}
/* Word-first exercise */
.drill-shell{min-height:calc(100% - 10px);display:flex;flex-direction:column;padding-top:2px}
.drill-top{display:flex;align-items:center;gap:13px}
.drill-close{border:0;background:transparent;color:#9aa99c;font-size:23px;padding:3px 4px;min-width:29px}
.drill-progress{height:9px;flex:1}.drill-counter{font-weight:800;font-size:11px;color:#809586;min-width:33px;text-align:right}
.drill-kind{margin:37px 0 14px;color:#328d53;font-size:12px;font-weight:900}
.drill-question{background:#fff;border:1px solid #e8efe6;border-radius:25px;padding:25px 18px 27px;box-shadow:0 8px 28px #26452808}
.prompt-label{font-size:12px;font-weight:850;color:#829387;margin-bottom:19px}
.blank-story{font-size:25px;letter-spacing:-.045em;line-height:2.25;font-weight:900;overflow-wrap:anywhere;color:#26362b}
.word-blank{display:inline-block;max-width:100%;width:min(186px,48vw);background:#f3faf2;border:0;border-bottom:3px solid #49b36a;color:#145b34;text-align:center;border-radius:9px 9px 0 0;outline:0;font-size:24px;padding:8px 7px;line-height:1.2;font-weight:900;vertical-align:middle;letter-spacing:-.035em}
.word-blank:focus,.word-writing:focus{border-color:#23954d;background:#f0fbf0}
.word-blank::placeholder{color:#bdd4c2;font-size:13px;font-weight:700;letter-spacing:0}
.blank-korean{margin-top:19px;background:#f6f8f4;border-radius:14px;padding:13px 12px;color:#516356;font-size:14px;line-height:1.55;font-weight:750}
.blank-standalone{font-size:26px;font-weight:950;margin:25px 0;letter-spacing:-.05em}
.word-writing{width:100%;border:2px solid #e1eee2;background:#f7faf5;border-radius:14px;padding:15px;font-size:19px;font-weight:800;outline:0}
.drill-help{display:flex;align-items:center;gap:8px;margin:16px 1px}
.drill-tool{border:0;background:#eef4ee;padding:10px 13px;border-radius:12px;color:#447b57;font-size:12px;font-weight:850}
.drill-hint{background:#eff7f0;color:#4b8259;border-radius:12px;padding:12px;font-size:12px}.drill-hint[hidden]{display:none}
.drill-bottom{margin-top:auto;padding:12px 0 13px}
.drill-known{display:block;text-align:center;border:0;background:transparent;font-weight:750;color:#9aaba0;padding:15px 10px 5px;width:100%;font-size:12px}
.drill-wrong{background:#fff2ef;border:1px solid #f5d9d1;border-radius:20px;padding:18px;margin:14px 0 5px;color:#9e4e43}
.drill-wrong>b{font-size:16px;display:block;margin-bottom:8px}.drill-wrong span{display:block;font-size:12px}.drill-correct-text{font-size:26px;font-weight:950;margin:10px 0 5px;color:#333c32}.drill-wrong p{font-size:12px;color:#69483f}
.drill-explain{font-size:12px;line-height:1.7;background:#fff8f6;border-radius:10px;padding:11px;color:#856057}
.drill-audio{border:0;margin-top:12px;background:#fde1da;padding:9px 12px;border-radius:10px;color:#ae5b4e;font-weight:800;font-size:12px}
.drill-right{font-size:17px;margin-top:12px;color:#278c4c;font-weight:950;text-align:center}
.drill-end{text-align:center;padding-top:55px}.drill-day{font-size:12px;font-weight:900;color:#46945b}.drill-celebration{font-size:74px;color:#56c079;margin:38px 0 13px}.drill-end h1{font-size:28px}.drill-end p{font-size:13px;color:#789080}.drill-end-actions{margin-top:50px}.drill-end-actions>.btn{margin-top:10px}.minimal-back{border:0;background:transparent;color:#8da295;padding:17px}
@media(max-width:365px){.blank-story{font-size:21px}.word-blank{font-size:20px;width:45vw}.minimal-home h1{font-size:27px}}

/* Fit error review and continue action within a phone-height viewport */
.drill-kind{margin:25px 0 11px}.drill-question{padding:20px 17px 21px}.blank-story{line-height:1.98}.drill-help{margin:10px 0}
.drill-wrong{padding:13px 16px;margin-top:8px;margin-bottom:2px}.drill-wrong>b{font-size:15px;margin-bottom:6px}.drill-correct-text{font-size:23px;margin:7px 0 3px}.drill-wrong p{margin:5px 0}.drill-explain{padding:9px;line-height:1.55}.drill-bottom{padding:8px 0 10px;position:sticky;bottom:-25px;background:linear-gradient(transparent,#fafbf8 16%);z-index:1}
@media(max-height:740px){.drill-kind{margin:16px 0 8px}.drill-question{padding:15px}.blank-story{font-size:22px}.drill-wrong{padding:12px}}

/* Alice 4.1 - ghost-answer writing and sentence builder */
.drill-help{flex-wrap:wrap}
.drill-tool.reveal-tool{background:#e9f4ff;color:#236c9a;border:1px solid #d8e9fa}
.guided-caption{font-size:12px;color:#428268;font-weight:750;flex:1;min-width:180px}
.trace-inline{position:relative;display:inline-flex;vertical-align:middle;max-width:100%;width:min(210px,54vw)}
.trace-block{position:relative;display:block;width:100%}
.trace-enabled .trace-ghost{display:block;position:absolute;z-index:0;left:13px;top:50%;transform:translateY(-50%);pointer-events:none;white-space:pre;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;color:#3d9160;opacity:.37;font-weight:850;font-size:21px;letter-spacing:0}
.trace-enabled .word-blank,.trace-enabled .word-writing{position:relative;z-index:1;background:transparent!important;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:21px;letter-spacing:0;font-weight:900;text-align:left;padding-left:13px;min-width:0}
.trace-enabled .word-blank{width:100%;max-width:100%}
.trace-enabled .word-writing{width:100%}
.trace-enabled{background:#f0f8f1;border-radius:9px}
.guided-error{background:#fff5e9;border:1px solid #f3dfbc;color:#926d34;font-size:13px;font-weight:800;padding:11px;margin:9px 0;border-radius:12px}
.sentence-round .drill-question{padding:21px 16px}
.sentence-translation{font-size:22px;letter-spacing:-.045em;font-weight:900;color:#233b2a;line-height:1.5;margin:13px 0 20px}
.sentence-selected{min-height:104px;padding:12px;display:flex;align-items:flex-start;align-content:flex-start;flex-wrap:wrap;gap:8px;border:2px dashed #b5d8bc;border-radius:16px;background:#f3faf2;margin-bottom:18px}
.sentence-placeholder{font-size:13px;color:#9daea1;margin:auto;text-align:center;line-height:1.6}
.sentence-options{display:flex;flex-wrap:wrap;gap:9px;align-content:flex-start;min-height:90px}
.sentence-chip{border:1px solid #dbe5dd;border-bottom:3px solid #d2ded4;background:white;color:#2c4231;font-size:15px;font-weight:850;border-radius:12px;padding:11px 14px;min-height:43px}
.sentence-chip.picked{color:#137a49;border-color:#bce1c5;background:#fff}
.sentence-chip:disabled{opacity:.73}
.sentence-feedback{background:#fff5f1;border:1px solid #f4d5c8;padding:15px;border-radius:14px;margin-top:18px}
.sentence-feedback b{display:block;color:#af5546;font-size:14px}
.sentence-model{font-size:21px;font-weight:900;margin:8px 0;color:#354333}
.sentence-feedback p{color:#5e6557;font-size:14px;margin:0 0 6px}
.sentence-feedback small{display:block;color:#936d5f;line-height:1.5}
.sentence-feedback .drill-audio{margin-top:10px}
@media(max-width:360px){.sentence-translation{font-size:20px}.sentence-chip{font-size:13px;padding:9px 11px}}

/* Alice 4.2 - correct only the misplaced chips; don't reveal the answer until asked */
.sentence-chip-wrap{display:inline-flex;align-items:center;gap:2px;max-width:100%}
.sentence-chip.picked.wrong-position{background:#fff0ee!important;color:#b93c34!important;border:2px solid #e96558!important;box-shadow:0 0 0 2px #fbdad5}
.sentence-swap{border:0;border-radius:9px;color:#61796a;background:#ddefe1;font-size:17px;font-weight:900;min-width:30px;height:36px;padding:0 5px}
.sentence-feedback{padding:12px 14px;margin-top:12px}
.sentence-feedback small{margin-top:4px}
.sentence-reveal-btn{background:transparent;border:0;color:#788e83;font-weight:800;font-size:12px;display:block;width:100%;padding:14px 8px;margin-top:5px}
.sentence-reveal-answer{padding:14px;background:#f0f7ee;border:1px solid #cfe5d3;border-radius:15px;margin-top:15px;display:grid;gap:6px}
.sentence-reveal-answer span{font-size:12px;color:#598169;font-weight:800}
.sentence-reveal-answer strong{font-size:21px;color:#245436;overflow-wrap:anywhere}
.sentence-reveal-answer small{font-size:13px;color:#607865}
.sentence-reveal-answer .drill-audio{margin:2px 0 0;justify-self:start;background:#deebdf;color:#336044}

/* Alice 4.3 · mobile first, attentive review */
.word-blank,.word-writing{border-color:#8573dd!important;background:#f3efff!important;color:#5743b6!important}
.word-blank:focus,.word-writing:focus{border-color:#5e46ce!important;background:#ebe5ff!important}
.target-focus{display:inline-block;margin-top:11px;padding:7px 12px;background:#f2eeff;border:1px solid #ded4ff;color:#654bb8;border-radius:10px;font-size:12px;font-weight:850}
.target-meaning{color:#5c42b8!important;background:#f5f0ff;padding:10px;border-radius:12px}
.sentence-target{margin:0 0 12px}
.retype-label{display:block;font-size:12px;font-weight:850;color:#a65443;margin:13px 0 6px}
.retype-input{box-sizing:border-box;width:100%;border:2px solid #eda99c;border-radius:12px;background:#fff;padding:12px;font-size:19px;font-weight:800;color:#333}
.retype-input:focus{outline:2px solid #c96a5b;outline-offset:1px}
.retype-alert{display:block;min-height:15px;margin-top:4px;font-size:12px;color:#bc503f;font-weight:800}
.retype-alert.ok{color:#26814b}
.home-shortcuts{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.home-review,.home-more-sentences{min-height:48px;border:1px solid #e4eae5;background:#fff;border-radius:15px;display:flex;align-items:center;justify-content:space-between;width:100%;padding:10px 15px;text-align:left;font-size:13px;color:#3b614a;font-weight:850;letter-spacing:-.025em}
.home-review strong{color:#428e5e}.home-more-sentences{background:#fafcf8;color:#60816b;font-size:12px}
.home-review span span,.home-more-sentences span{font-size:21px;color:#9bafa0}
.home-chat{margin-top:12px}
.review-shell h1{font-size:25px;margin:12px 0 5px}.review-shell>.muted{margin-bottom:18px}
.weak-list{display:grid;gap:10px;margin:16px 0 30px}.weak-card{background:white;border:1px solid #e4eae2;border-radius:16px;overflow:hidden}.weak-toggle{width:100%;background:transparent;border:0;display:flex;align-items:center;justify-content:space-between;text-align:left;padding:14px;gap:6px;color:#2d4a34}.weak-toggle b{font-size:18px;display:block}.weak-toggle small{display:block;font-size:12px;color:#819286;margin-top:5px}.weak-tag{white-space:nowrap;font-size:11px;color:#ad6350;background:#fff4ec;padding:7px;border-radius:8px;font-weight:800}
.weak-detail{padding:4px 14px 16px;border-top:1px solid #eef1ea;font-size:14px;line-height:1.7}.weak-detail small{color:#899487}.weak-empty{padding:35px 15px;text-align:center;color:#819286}
.grammar-inline{border:0;border-bottom:1px dotted #8171c5;color:#5e4db3;background:transparent;display:inline;padding:0 2px;font:inherit;font-weight:900}
.grammar-inline sup{font-size:10px;vertical-align:super;color:#8b82c6}
.grammar-info{background:#f0edff;color:#6d57ad;border:0;border-radius:9px;font-size:15px;font-weight:900;width:29px;height:36px;align-self:center;flex:none}
.grammar-popover{position:relative;background:#fffaf0;border:1px solid #efdcb9;border-radius:16px;padding:15px;margin:14px 0;box-shadow:0 7px 20px #74480e19;font-size:13px;line-height:1.65;z-index:3;color:#4e503e}
.grammar-popover:before{content:'';position:absolute;top:-7px;left:26px;width:13px;height:13px;transform:rotate(45deg);background:#fffaf0;border-left:1px solid #efdcb9;border-top:1px solid #efdcb9}
.grammar-popover h3{font-size:20px;margin:8px 0 7px;color:#6652a4}.grammar-popover h3 small{font-size:12px;color:#777b68;margin-left:7px}.grammar-popover p{margin:0 0 10px}.grammar-eyebrow{font-size:11px;color:#987b39;font-weight:900}.grammar-close{float:right;background:transparent;border:0;font-size:23px;color:#8c876c;padding:2px 5px}
.grammar-example{display:grid;gap:3px;background:#f6f3e9;padding:12px;border-radius:11px}.grammar-example b{font-size:15px}.grammar-example span{color:#7d7d73;font-size:12px}
.sentence-chip.picked{touch-action:none;user-select:none;-webkit-user-select:none;cursor:grab}
.sentence-chip.drag-origin{opacity:.45;outline:2px dashed #7b64d2}
.sentence-chip.drag-over{box-shadow:0 0 0 3px #b49cff!important}
.sentence-chip-wrap{touch-action:none}.sentence-options .sentence-chip{touch-action:none}
.sentence-selected{touch-action:pan-y;gap:6px}.sentence-options{touch-action:pan-y}
@media(max-width:350px){.sentence-chip{padding:9px 9px}.grammar-info{width:25px}}

.drill-bottom:has(.retype-input){background:#fafbf8;padding:12px 0 16px;border-top:1px solid #e5eee4}.drill-bottom:has(.retype-input) .focus-primary{margin-top:7px}.retype-label{margin-top:0}

/* Alice 4.3.1 — FIX: 4.3's purple :focus background hid the translucent spelling guide.
   The ghost sits above the transparent input but never blocks taps or typing. */
.trace-enabled .word-blank,
.trace-enabled .word-writing,
.trace-enabled .word-blank:focus,
.trace-enabled .word-writing:focus {
  background: transparent !important;
}
.trace-enabled .trace-ghost {
  z-index: 3;
  opacity: .48;
  color: #7560aa;
  line-height: 1.2;
  pointer-events: none;
  user-select: none;
}
.trace-enabled .word-blank,
.trace-enabled .word-writing {
  line-height: 1.2;
  position: relative;
  z-index: 1;
}
.trace-enabled:focus-within {
  background: #f4f0ff;
  box-shadow: 0 0 0 2px #b6a4eb inset;
}

/* Alice 4.3.2 — contextual Korean focus and sentence order teaching */
.blank-korean{line-height:1.7;overflow-wrap:anywhere}
.korean-target{color:#6545c9;background:#eee8ff;border-bottom:2px solid #8066e0;border-radius:5px;padding:2px 3px;font-weight:900}
.first-letter-overlay{position:absolute;top:50%;left:13px;transform:translateY(-50%);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-weight:900;font-size:21px;color:#6d56c4;z-index:4;pointer-events:none;user-select:none}
.first-letter-overlay[hidden]{display:none!important}
.trace-inline,.trace-block{position:relative}
.sentence-order-help{display:grid;gap:8px;padding:16px;border:1px solid #b9dfc4;border-radius:16px;background:#f0f9f1;margin-top:15px;line-height:1.65}
.sentence-order-title{font-weight:900;color:#277a4b;font-size:15px}
.sentence-order-original{color:#244635;font-size:20px;overflow-wrap:anywhere}
.sentence-order-korean{font-weight:800;color:#526f58;font-size:14px}
.sentence-order-help p{margin:4px 0!important;color:#365041;font-size:14px}
.sentence-order-help small{color:#729080;font-size:11px}
.sentence-order-help .drill-audio{justify-self:start;background:#e0eee4;color:#336044}

/* 4.3.3: short, nonacademic explanations. */
.sentence-order-help{gap:10px!important;padding:14px!important;line-height:1.45!important}
.sentence-order-title{font-size:16px!important}
.sentence-order-original{font-size:19px!important}
.sentence-order-korean{font-size:15px!important}
.simple-word-row{display:flex;flex-wrap:wrap;gap:7px}
.simple-word{display:inline-flex;gap:5px;align-items:center;background:#fff;border:1px solid #d8e9d9;border-radius:12px;padding:6px 9px;font-size:13px;color:#345344}
.simple-word b{color:#2f7650;font-weight:900}
.simple-word span{color:#607768}
.simple-pattern{display:grid;gap:3px;padding:10px 12px;background:#e2f1e4;border-radius:12px;color:#365541}
.simple-pattern b{font-size:12px;color:#27814e}
.simple-pattern span{font-size:14px;font-weight:650;line-height:1.6}

.sentence-round:has(.sentence-order-help) .sentence-options{display:none;min-height:0;margin:0}
.sentence-round:has(.sentence-order-help) .sentence-selected{min-height:0;margin-bottom:0;padding:9px}
.sentence-round:has(.sentence-order-help) .sentence-order-help{margin-top:10px}

/* 4.4: simple, focused listening and speaking practice */
.oral-round .drill-question{padding-top:20px;padding-bottom:18px}
.oral-question{font-size:17px;font-weight:750;margin:5px 0 18px;line-height:1.5}
.oral-play{border:1px solid #cabedb;border-radius:16px;background:#f4efff;color:#4b326e;font-size:20px;font-weight:800;padding:20px;width:100%;min-height:72px;cursor:pointer}
.oral-choices{display:grid;gap:10px;margin-top:20px}
.oral-choice{display:flex;align-items:center;gap:12px;min-height:52px;text-align:left;border:1px solid #e5e0ed;border-radius:12px;padding:12px;background:#fff;color:#222;font-size:16px;cursor:pointer}
.oral-choice span{display:grid;place-items:center;background:#f1ecf7;color:#6d4c83;border-radius:8px;min-width:25px;height:25px;font-size:13px}
.oral-choice.oral-missed{border-color:#e8b1b1;background:#fff0f0;color:#a43737}
.oral-choice:disabled{opacity:.68}
.oral-reminder,.oral-tip{font-size:13px;line-height:1.55;color:#6e6972;margin-top:12px}
.oral-korean{border-radius:16px;background:#f4f0fa;padding:22px 14px;color:#4a3372;font-weight:800;text-align:center;font-size:22px;margin-bottom:18px}
.oral-actions{display:grid;gap:10px;margin-top:16px}
.oral-actions .btn{width:100%;min-height:52px}
.oral-transcript{padding:14px;background:#f3f8f5;border-radius:12px;margin:12px 0;overflow-wrap:anywhere}
.oral-answer{background:#f7f5fb;border:1px solid #e8e0ef;border-radius:15px;padding:16px;margin-top:18px;display:grid;gap:7px}
.oral-answer small{font-size:12px;color:#6b587d}
.oral-answer strong{font-size:23px;color:#392351}
.oral-answer span{font-size:15px;color:#6a5b6b}
.oral-reveal-link{margin:15px auto 0;display:block;background:none;border:0;color:#746080;text-decoration:underline;font-size:13px;cursor:pointer}
.oral-round .drill-bottom{padding-bottom:max(12px,env(safe-area-inset-bottom))}

/* Alice 4.5 · Messenger first, hearing inside the written-word task. */
.minimal-home{padding-top:4px}
.minimal-home h1{margin-top:13px}
.minimal-home>p{margin-bottom:14px}
.home-chat-featured{margin:6px 0 14px;background:#eef9f1;border:1px solid #cdebd4;box-shadow:none;min-height:86px;padding:16px}
.home-chat-featured .home-chat-label b{font-size:19px;color:#1d7844}
.home-chat-featured .home-chat-label small{font-size:12px;line-height:1.5;color:#5e866a}
.home-chat-featured .home-chat-arr{color:#289a59}
.minimal-home .focus-card{padding:19px 18px 17px}
.minimal-home .focus-card h2{margin:17px 0 7px;font-size:21px}
.minimal-home .focus-card>p{margin-bottom:15px}
.drill-listen{display:flex;gap:12px;align-items:center;width:100%;background:#e8f6ee;border:1px solid #b9e5c7;color:#236e43;text-align:left;border-radius:15px;min-height:68px;padding:11px 13px;margin-bottom:22px;cursor:pointer}
.drill-listen:active{background:#d7efe0}
.drill-listen .listen-icon{font-size:24px;flex-shrink:0}
.drill-listen>span:nth-child(2){flex:1;min-width:0;display:grid;gap:4px}
.drill-listen b{font-size:15px}
.drill-listen small{font-size:11px;line-height:1.4;font-weight:550;color:#639172}
.drill-listen .listen-arrow{font-size:15px;color:#49875e}
.chat-screen .chat-composer{padding-top:11px;padding-bottom:calc(11px + env(safe-area-inset-bottom))}
.chat-screen .chat-send-row{margin-top:0}
.chat-screen .chat-send-row input{min-height:46px}
/* v4.5.1: keep hint/reveal accessible while the Android keyboard is open. */
.main:has(.drill-shell){overscroll-behavior-y:auto;-webkit-overflow-scrolling:touch;scroll-padding-bottom:110px}
.drill-shell{min-height:100%;height:auto;padding-bottom:30px}
.drill-help{position:relative;z-index:2;scroll-margin-bottom:130px}
.drill-help .drill-tool{min-height:48px;touch-action:manipulation}
.drill-bottom{position:relative;bottom:auto;z-index:0;margin-top:14px}
@media(max-height:680px){.drill-kind{margin:10px 0 7px}.drill-question{padding:12px 13px}.drill-help{margin:8px 0}}

/* Alice 4.5.2 — real mobile keyboard scrolling and contextual word bubbles */
.main:has(.drill-shell){overflow-y:auto!important;touch-action:pan-y;overscroll-behavior-y:auto;-webkit-overflow-scrolling:touch;scroll-padding:25px 0 160px}
.drill-shell{height:auto!important;min-height:100%;padding-bottom:max(65px,env(safe-area-inset-bottom));}
.drill-question{overflow:visible}
.blank-story{overflow-wrap:normal;word-break:normal;line-height:2.1}
.blank-korean .korean-target{color:#5733b5!important;background:#e9e0ff!important;border-bottom:2px solid #7449d7;font-size:1.09em}
.drill-help{display:flex;gap:8px;flex-wrap:wrap;padding:8px 0 12px;scroll-margin-bottom:160px}
.drill-help .drill-tool{flex:1;min-width:130px}
.word-tap{display:inline;color:#1f6042;background:transparent;border:0;border-bottom:1px dashed #8ab79b;padding:0 1px;border-radius:0;font:inherit;font-weight:inherit;vertical-align:baseline;line-height:inherit;text-decoration:none;white-space:nowrap;touch-action:manipulation}
.word-tap:active{background:#dcf4e7;border-radius:4px}
.word-tap sup{font-size:.42em;vertical-align:super;color:#7152b1;margin-left:2px}
.word-tap.word-particle{color:#5b4ea2;border-bottom-color:#a99bd9}
.word-info-bubble{position:fixed;z-index:999999;width:min(320px,calc(100vw - 20px));max-height:min(290px,70dvh);overflow-y:auto;background:#fffef9;border:1px solid #d9d2ef;box-shadow:0 8px 26px #26352b35;border-radius:17px;padding:13px 15px 14px;color:#304539;font-size:13px;line-height:1.5;touch-action:pan-y}
.word-info-bubble:after{content:'';position:absolute;bottom:-6px;left:50%;width:10px;height:10px;background:#fffef9;border-right:1px solid #d9d2ef;border-bottom:1px solid #d9d2ef;transform:rotate(45deg)}
.word-info-bubble.bubble-below:after{bottom:auto;top:-6px;transform:rotate(225deg)}
.word-info-title{font-size:18px;font-weight:950;color:#365a46;margin-right:25px}
.word-info-meaning{font-size:15px;color:#6b4fb5;font-weight:850;margin-top:4px}
.word-info-bubble p{font-size:12px;margin:9px 0;color:#566c5e}
.word-info-close{position:absolute;top:7px;right:8px;border:0;background:#f0f1ee;border-radius:50%;font-size:20px;width:29px;height:29px;color:#687a6e}
.word-info-example{display:flex;flex-direction:column;gap:3px;background:#f4f5f0;border-radius:9px;padding:9px 11px;margin-top:9px}
.word-info-example span{font-size:12px;color:#738477}
.word-info-ask{border:0;padding:9px 10px;background:#e9e6fb;border-radius:10px;color:#6449a9;font-weight:850;margin-top:10px}
/* Short, focusable screen when the Android keyboard is displayed */
.app.input-active .main:has(.drill-shell){scroll-padding-bottom:170px}
.app.keyboard-open .top,.app.keyboard-open .bottom{display:none}
.app.keyboard-open .main{padding-top:8px!important;padding-bottom:26px!important}
.app.keyboard-open .drill-kind{margin:7px 0 8px}
.app.keyboard-open .drill-question{padding:13px 13px 14px}
.app.keyboard-open .drill-listen{min-height:42px;margin-bottom:7px;padding:7px}
.app.keyboard-open .drill-listen small{display:none}
.app.keyboard-open .drill-help{margin:7px 0;scroll-margin-bottom:110px}
@media(max-width:390px){.word-tap{font-size:.94em}.blank-story{font-size:22px}.drill-help .drill-tool{min-width:115px}}

.simple-word.tap-gloss{cursor:pointer;text-align:left;border:1px solid #e2e6de;touch-action:manipulation}
.simple-word.tap-gloss:active{background:#e6f2eb}

/* 4.5.3: instant messenger: translation hidden until explicitly requested */
.chat-layout .chat-translation{border-top:1px solid #ecf0ec;margin-top:8px;padding-top:5px;width:100%}
.chat-translation summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:5px;color:#759083;font-size:11px;font-weight:850;padding:2px 0;user-select:none}
.chat-translation summary::-webkit-details-marker{display:none}
.chat-translation[open] summary{color:#37885c}
.chat-layout .chat-translation .ko{font-size:12px;line-height:1.6;margin-top:5px;border-top:0;padding:0;color:#536c59;font-weight:550}
.chat-user-correction{max-width:100%;box-sizing:border-box;margin-top:5px;padding:9px 11px;border:1px solid #d8e6ff;background:#f3f7ff;border-radius:13px 5px 13px 13px;color:#345a91;overflow-wrap:anywhere;text-align:left;display:grid;gap:3px}
.chat-user-correction span{font-size:10px;font-weight:900;color:#6483aa}
.chat-user-correction strong{font-size:13px;line-height:1.5;color:#294f87;font-weight:800}
.chat-user-correction small{font-size:11px;line-height:1.45;color:#58769d}
.chat-ask-word{font-size:12px;background:#f0f8f0;color:#347947;border-radius:9px;padding:10px}

/* Alice 4.5.6: chosen-sized batches and same-day complete review */
.home-all-review{border:1px solid #cfe7d3;background:#eaf7ee;color:#236c44;border-radius:15px;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:51px;padding:12px 15px;font-size:13px;font-weight:900;width:100%;text-align:left}
.home-all-review span{font-size:20px;color:#4b9871}
.home-shortcuts{display:flex;flex-direction:column;gap:9px}
.extra-choose{max-width:470px;margin:0 auto;padding:12px 0 50px}
.extra-choose h1{font-size:27px;color:#193b28;letter-spacing:-.05em;margin:12px 0}
.extra-choose>p{color:#637b68;font-size:13px;line-height:1.65}
.extra-qty-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;margin:26px 0 15px}
.extra-qty{background:white;border:2px solid #e1ede3;color:#66836a;border-radius:15px;font-size:23px;font-weight:950;padding:15px 3px;min-width:0}
.extra-qty small{font-size:11px;margin-left:1px}
.extra-qty.active{border-color:#2ca75b;background:#edfaef;color:#1d884b;box-shadow:0 0 0 2px #b5e8c7}
.extra-choose .extra-available{margin:8px 0 20px;font-size:12px;color:#4a7857}
.extra-choose .extra-note{font-size:12px;background:#f1f7f1;border-radius:14px;padding:13px;margin-top:17px}
@media(max-width:360px){.extra-qty{font-size:19px;padding:13px 1px}}

/* Alice 4.5.8 · answer review and Gemini preloaded audio */
.target-fallback{white-space:normal;font-size:.92em;margin-left:3px}
.typo-panel{margin:12px 0;padding:14px;background:#fff6f3;border:1px solid #efc9c3;border-radius:15px;color:#8d514a;line-height:1.65}
.typo-panel b{font-size:14px;display:block}
.typo-panel small{display:block;font-size:12px;margin-top:8px}
.typo-letters{font-size:25px;letter-spacing:1px;font-weight:850;margin-top:6px;color:#3b463c;overflow-wrap:anywhere}
.typo-error{color:#d32e43;background:#ffe4e8;border-bottom:3px solid #ce2641;border-radius:3px;padding:1px 2px}
.drill-bottom .focus-primary.next-ready{background:#306cce;box-shadow:inset 0 -3px #2453a5;min-height:63px;font-size:19px;justify-content:center}
.choice-audio{display:block;margin:12px auto 5px;background:#e8f4ed;color:#237248;padding:13px 17px;border-radius:13px;font-size:14px}
.voice-ready-state{font-weight:750}

/* 4.6 Chat dictionary: inline taps, pop-up learning card; no extra AI requests on send. */
.chat-layout .chat-tap-word{appearance:none;border:0;border-bottom:1px dotted #90c3a2;border-radius:3px;background:transparent;color:inherit;font:inherit;font-weight:inherit;line-height:inherit;padding:0 1px;vertical-align:baseline;cursor:pointer;touch-action:manipulation} 
.chat-layout .chat-tap-word:active,.chat-layout .chat-tap-word:focus-visible{background:#dff5e4;color:#14774e;outline:2px solid #94cea6;outline-offset:1px} 
.chat-word-popover{max-height:min(340px,68dvh);min-height:100px;padding-bottom:14px} 
.chat-word-popover .chat-word-save{margin-top:11px;display:block;width:100%;min-height:42px;border:0;border-radius:11px;background:#328d5b;color:#fff;font-size:13px;font-weight:850} 
.chat-word-popover .chat-word-save:disabled{background:#e6eee8;color:#617869} 
.chat-word-popover .chat-word-status{font-size:12px;color:#65776c;background:#f4f7f1;padding:9px;margin-top:9px;border-radius:9px} 
.chat-word-popover .chat-word-usage{font-size:12px;line-height:1.5;margin:7px 0 0} 

/* allice 4.7 branding. New character art; preserve the familiar uncluttered learning UI. */
.brand-icon{width:42px;height:42px;object-fit:cover;border-radius:14px;box-shadow:0 2px 9px rgba(117,43,30,.13);flex-shrink:0}
.brand b{font-size:24px;letter-spacing:-.055em;color:#85253a;font-weight:950}
.brand small{letter-spacing:.13em;color:#a58d84}
.avatar.allice-avatar{overflow:hidden;background:#f8eadc;border-radius:18px;box-shadow:0 2px 9px rgba(135,80,54,.12)}
.avatar.allice-avatar img{display:block;width:100%;height:100%;object-fit:cover;object-position:center 43%}
.avatar.allice-avatar.lg{border-radius:25px}
.home-chat-portrait .avatar.allice-avatar{width:58px;height:58px;border-radius:18px}
.home-chat-featured{border:1px solid #f1d8cc;background:linear-gradient(115deg,#fff6f2 0%,#fff 78%)}
.home-chat-featured .home-chat-label b{color:#813e4d}
.allice-chat-avatar{overflow:hidden;border-radius:50%;flex:0 0 30px;width:30px;height:30px;background:#f5e6dc;display:grid;place-items:center}
.allice-chat-avatar img{display:block;width:100%;height:100%;object-fit:cover;object-position:center 44%}
.messenger-head .avatar.allice-avatar{width:57px;height:57px;border-radius:19px}
@media(max-width:355px){.home-chat-portrait .avatar.allice-avatar{width:48px;height:48px}}


/* allice 4.8 — phone-first quiz dock; the question scrolls, the actions never do. */
.app:has(.quiz-compact) > .top,.app:has(.quiz-compact) > .bottom{display:none!important}
.app:has(.quiz-compact) > .main{display:flex;flex-direction:column;min-height:0;overflow:hidden!important;padding:10px 12px 0!important;scroll-padding:0!important}
.quiz-compact.drill-shell{display:flex;flex-direction:column;min-height:0!important;height:100%!important;overflow:hidden!important;padding:0!important;width:100%}
.quiz-compact .drill-top{flex:none;padding:4px 3px 10px;min-height:40px}
.quiz-compact .quiz-body{flex:1 1 auto;min-height:0;overflow-y:auto;overflow-x:hidden;overscroll-behavior-y:contain;-webkit-overflow-scrolling:touch;padding:0 3px 12px;scrollbar-width:thin}
.quiz-compact .drill-kind{margin:7px 0 9px;font-size:11px}
.quiz-compact .drill-question{padding:16px 14px 17px;border-radius:19px}
.quiz-compact .prompt-label{margin-bottom:9px}
.quiz-compact .blank-story{font-size:clamp(20px,5.3vw,25px);line-height:1.75}
.quiz-compact .word-blank{font-size:21px;padding:6px}
.quiz-compact .blank-korean{margin-top:11px;padding:10px;font-size:13px}
.quiz-compact .blank-standalone{margin:14px 0}
.quiz-compact .drill-help{display:flex;gap:7px;flex-wrap:nowrap;margin:8px 0!important;padding:0!important;scroll-margin:0}
.quiz-compact .drill-tool{min-width:0!important;flex:1;font-size:11px;min-height:44px;padding:8px 4px}
.quiz-compact .quiz-actions{flex:0 0 auto;z-index:5;padding:10px 5px max(10px,env(safe-area-inset-bottom));background:#fafbf8;border-top:1px solid #e0eadf;box-shadow:0 -9px 19px #fafbf8e8}
.quiz-compact .quiz-actions .focus-primary{min-height:53px;padding:12px 16px;border-radius:14px;justify-content:center;gap:8px;font-size:16px}
.quiz-compact .quiz-actions .focus-primary.next-ready{min-height:56px;font-size:18px}
.quiz-compact .quiz-small-exit{background:none;border:0;color:#84968a;font-size:12px;font-weight:850;min-height:34px;width:100%;margin-top:3px}
.quiz-compact .quiz-secondary-actions{display:flex;gap:8px;margin-top:9px}
.quiz-compact .quiz-secondary-actions button{flex:1;min-width:0;min-height:43px;padding:9px 4px;border-radius:12px;font-size:12px;font-weight:850}
.quiz-compact .quiz-known{background:#ecf4ff;color:#32668c;border:1px solid #d2e4f9}
.quiz-compact .quiz-exit{background:#f1f2ef;color:#718077;border:1px solid #e4e8e3}
.quiz-compact .quiz-small-help{background:#eaf4ff;color:#306e9f;border:1px solid #d5e7f4;border-radius:10px;min-height:38px;padding:9px;width:100%;margin-top:8px;font-size:12px;font-weight:850}
.quiz-compact .quiz-result{min-height:190px;background:#f1faf3;border:1px solid #d6eddd;border-radius:19px;padding:21px 16px;display:flex;flex-direction:column;align-items:center;gap:9px;text-align:center}
.quiz-compact .quiz-result-check{font-size:16px;color:#258c50;font-weight:950}
.quiz-compact .quiz-result-word{font-size:26px;color:#263d30;overflow-wrap:anywhere}
.quiz-compact .quiz-result-meaning{color:#6c8672;font-size:14px}
.quiz-compact .quiz-audio{border:1px solid #cde4d2;background:white;border-radius:12px;min-height:43px;padding:9px 15px;font-size:13px;font-weight:850;color:#287449;margin-top:4px}
.quiz-compact .quiz-correction{display:flex;flex-direction:column;gap:8px;background:#fff7f4;border:1px solid #edd6d0;border-radius:18px;padding:14px}
.quiz-compact .quiz-correction-title{font-size:14px;font-weight:900;color:#aa5954}
.quiz-compact .quiz-correction-answer{font-size:22px;font-weight:950;color:#354538}
.quiz-compact .quiz-correction-answer span{font-size:13px;color:#819082;font-weight:650}
.quiz-compact .quiz-correction-reason{color:#8c6b62;font-size:12px;line-height:1.5;max-height:52px;overflow-y:auto}
.quiz-compact .retype-label{font-size:12px;color:#67585a;font-weight:850}
.quiz-compact .retype-input{width:100%;font-size:17px;padding:12px;min-height:46px}
.quiz-compact .typo-panel{padding:9px;margin:8px 0}
.quiz-compact .typo-letters{font-size:22px}
.quiz-compact .sentence-translation{font-size:20px;margin:4px 0 11px}
.quiz-compact .sentence-selected{min-height:65px;padding:9px;margin-bottom:10px}
.quiz-compact .sentence-options{min-height:60px;gap:6px}
.quiz-compact .sentence-chip{min-height:40px;font-size:14px;padding:8px 11px}
.quiz-compact .sentence-feedback{padding:9px;margin-top:8px}
.quiz-compact .sentence-order-help{margin:0!important;padding:13px!important;gap:9px!important}
.quiz-compact .simple-word-row{gap:5px}
.quiz-compact .simple-word{font-size:12px;padding:5px 7px}
.quiz-compact .simple-pattern{padding:8px 10px}
.quiz-compact .simple-pattern span{font-size:13px}
.quiz-compact .sentence-memory-tip{display:grid;gap:3px;background:#fff8e8;border:1px solid #f2e5c6;border-radius:11px;padding:9px 11px;color:#775b28;font-size:12px;line-height:1.5}
.quiz-compact .sentence-memory-tip b{color:#8b6728}
.quiz-compact .sentence-reveal-answer{margin-top:8px}
.app.keyboard-open:has(.quiz-compact) .main{padding-top:5px!important;padding-bottom:0!important}
.app.keyboard-open .quiz-compact .drill-top{padding-bottom:5px}
.app.keyboard-open .quiz-compact .drill-kind{margin:4px 0 6px}
.app.keyboard-open .quiz-compact .drill-question{padding:10px 11px}
.app.keyboard-open .quiz-compact .quiz-actions{padding-top:7px;padding-bottom:5px}
.app.keyboard-open .quiz-compact .quiz-actions .focus-primary{min-height:47px}
.app.keyboard-open .quiz-compact .quiz-small-exit{min-height:23px;margin-top:0;font-size:11px}
@media (max-height:620px){.quiz-compact .quiz-body{padding-bottom:5px}.quiz-compact .drill-question{padding:11px}.quiz-compact .quiz-actions{padding-top:6px}}