:root{--ink:#243247;--muted:#718096;--paper:#fffdf8;--line:#e8e4dc;--coral:#ff7657;--yellow:#ffd45a;--green:#55c99b;--blue:#68a9ff;--purple:#a68af4;--shadow:0 16px 38px rgba(39,55,78,.10)}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif}.topbar{height:74px;padding:0 max(24px,calc((100% - 1120px)/2));display:flex;align-items:center;justify-content:space-between;background:rgba(255,253,248,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;backdrop-filter:blur(12px)}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:900;text-decoration:none;font-size:20px}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:14px;background:var(--coral);color:white;transform:rotate(-4deg)}nav{display:flex;gap:8px}.nav-btn{border:0;background:transparent;padding:11px 16px;border-radius:12px;color:var(--muted);font-weight:700;cursor:pointer}.nav-btn.active{background:#fff0eb;color:#d94f2f}main{max-width:1120px;margin:auto;padding:46px 24px 70px}.view{display:none}.view.active{display:block}.hero{display:flex;justify-content:space-between;align-items:end;gap:30px}.eyebrow{margin:0 0 8px;color:#e86443;font-size:13px;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.hero h1,.parent-title h1{font-size:clamp(36px,6vw,62px);line-height:1.05;margin:0;letter-spacing:-.04em}.sub,.parent-title p{color:var(--muted);font-size:17px}.star-card{min-width:150px;background:#fff7d6;padding:18px 24px;border:1px solid #f4dfa0;border-radius:24px;box-shadow:var(--shadow);display:grid;grid-template-columns:auto 1fr;align-items:center;gap:0 9px}.star-card span{font-size:36px;grid-row:1/3}.star-card strong{font-size:30px}.star-card small{color:#8f7432}.subject-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:38px 0}.subject-card{min-height:225px;border:0;border-radius:30px;padding:26px;text-align:left;color:var(--ink);cursor:pointer;transition:.2s;display:flex;flex-direction:column;align-items:flex-start;box-shadow:inset 0 0 0 1px rgba(0,0,0,.06)}.subject-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}.subject-card.english{background:#e9f3ff}.subject-card.chinese{background:#fff0eb}.subject-card.math{background:#e9f9f2}.subject-card .emoji{font-size:45px}.subject-card b{font-size:26px;margin-top:20px}.subject-card small{color:#617084;margin-top:6px}.subject-card .go{margin-top:auto;font-weight:900}.game-panel{max-width:760px;margin:40px auto 0}.hidden{display:none!important}.game-head{display:flex;align-items:center;gap:15px}.icon-btn{width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:white;font-size:26px;cursor:pointer}.progress{height:12px;background:#ece9e2;border-radius:99px;flex:1;overflow:hidden}.progress span{display:block;width:20%;height:100%;background:var(--green);transition:.3s}.question-card{margin-top:20px;background:white;border:1px solid var(--line);border-radius:32px;box-shadow:var(--shadow);padding:clamp(24px,5vw,52px);text-align:center}.pill{display:inline-block;background:#f0ecff;color:#6e55c7;padding:7px 12px;border-radius:99px;font-size:13px;font-weight:800}.question-card h2{font-size:clamp(25px,4vw,38px);line-height:1.45}.choices{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:30px 0 20px}.choice{min-height:62px;border:2px solid var(--line);border-radius:18px;background:white;font-size:19px;font-weight:800;cursor:pointer}.choice:hover{border-color:var(--blue);background:#f1f7ff}.choice.correct{border-color:var(--green);background:#e9fbf3}.choice.wrong{border-color:var(--coral);background:#fff0eb}.hint{padding:12px;background:#fff7d6;border-radius:14px}.link-btn,.speak{border:0;background:transparent;color:#627088;font-weight:800;cursor:pointer}.speak{display:block;margin:auto;background:#eef6ff;padding:10px 16px;border-radius:12px}.text-answer{display:flex;gap:10px;margin:30px 0}.text-answer input{flex:1}.text-answer button{background:var(--green);border:0;border-radius:12px;padding:0 24px;font-weight:800}.feedback{border-radius:16px;padding:14px 20px;margin-top:18px;font-weight:900;text-align:center}.feedback.good{background:#e6faef;color:#257759}.feedback.try{background:#fff0eb;color:#b14b35}.parent-title{display:flex;align-items:end;justify-content:space-between;gap:20px}.parent-title h1{font-size:48px}.primary,.secondary{border:0;border-radius:13px;padding:13px 18px;font-weight:900;cursor:pointer}.primary{background:var(--coral);color:white;box-shadow:0 8px 18px rgba(255,118,87,.22)}.secondary{background:white;color:var(--ink);border:1px solid var(--line)}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:32px 0}.stats-grid>div{background:white;border:1px solid var(--line);border-radius:22px;padding:20px;display:grid;grid-template-columns:auto 1fr;gap:3px 12px}.stats-grid span{font-size:28px;grid-row:1/3}.stats-grid strong{font-size:25px}.stats-grid small{color:var(--muted)}.toolbar{display:flex;justify-content:space-between;margin:20px 0}select,input,textarea{width:100%;border:1.5px solid #ddd8ce;border-radius:12px;padding:12px 13px;background:white;color:var(--ink);font:inherit}textarea{min-height:88px;resize:vertical}.toolbar select{width:auto;min-width:150px}.form-card{padding:24px;border-radius:22px;background:#f6f3ff;border:1px solid #dfd6ff;margin-bottom:20px}.notice{color:#6d5a9b}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-grid label{display:grid;gap:7px;color:#536075;font-size:14px;font-weight:800}.form-grid .wide{grid-column:1/-1}.form-card button{margin-top:18px}.form-card #ai-status{margin-left:12px;color:var(--muted)}.item-list{display:grid;gap:10px}.item-row{background:white;border:1px solid var(--line);border-radius:17px;padding:16px 18px;display:grid;grid-template-columns:90px 1fr auto;gap:16px;align-items:center}.item-row .badge{padding:7px 9px;border-radius:9px;background:#f1f4f8;text-align:center;font-size:12px;font-weight:900}.item-row h3{margin:0 0 5px;font-size:16px}.item-row p{margin:0;color:var(--muted);font-size:14px}.row-actions{display:flex;gap:8px}.row-actions button{border:1px solid var(--line);background:white;border-radius:9px;padding:8px;cursor:pointer}.draft{border-left:5px solid var(--purple)}dialog{width:min(690px,calc(100% - 28px));border:0;border-radius:26px;padding:0;box-shadow:0 25px 80px rgba(30,40,55,.24)}dialog::backdrop{background:rgba(35,45,60,.45);backdrop-filter:blur(4px)}dialog form{padding:28px}.dialog-head{display:flex;justify-content:space-between}.dialog-head h2{margin:0;font-size:30px}.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}#toast{position:fixed;right:24px;bottom:24px;background:#243247;color:white;padding:13px 18px;border-radius:12px;opacity:0;transform:translateY(10px);transition:.2s;pointer-events:none;z-index:30}#toast.show{opacity:1;transform:none}@media(max-width:760px){.topbar{padding:0 14px}.brand span:last-child{display:none}main{padding:30px 16px}.hero{align-items:start}.star-card{min-width:108px;padding:12px}.subject-grid{grid-template-columns:1fr}.subject-card{min-height:170px}.subject-card b{margin-top:10px}.parent-title{align-items:start;flex-direction:column}.stats-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.item-row{grid-template-columns:1fr}.choices{grid-template-columns:1fr}.toolbar{gap:10px;align-items:stretch;flex-direction:column}.toolbar select{width:100%}}

/* Simplified parent entry dialog */
dialog{max-height:calc(100vh - 32px);overflow:auto}
dialog form{padding:0}
.dialog-shell{padding:28px}
.dialog-head{position:sticky;top:-28px;background:white;padding:2px 0 14px;z-index:2}
.entry-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;background:#f2f0eb;padding:5px;border-radius:15px;margin:6px 0 22px}
.entry-tab{border:0;background:transparent;border-radius:11px;padding:12px;color:var(--muted);font-weight:900;cursor:pointer}
.entry-tab.active{background:white;color:var(--ink);box-shadow:0 3px 10px rgba(39,55,78,.08)}
.easy-entry-intro{display:flex;gap:13px;align-items:center;background:#f3f8ff;border:1px solid #dceaff;border-radius:16px;padding:15px;margin-bottom:20px}
.easy-entry-intro>span{font-size:28px}.easy-entry-intro strong{display:block}.easy-entry-intro p{margin:3px 0 0;color:var(--muted);font-size:14px}.easy-entry-intro .ai-mark{display:grid;place-items:center;min-width:42px;height:42px;border-radius:13px;background:#6c8cff;color:white;font-size:14px;font-weight:900;letter-spacing:.05em}
.form-status{min-height:24px;margin:16px 0 0;color:#637085;font-weight:700}
button:disabled{opacity:.58;cursor:not-allowed}
@media(max-width:760px){.dialog-shell{padding:20px}.dialog-head{top:-20px}.entry-tabs{grid-template-columns:1fr}.form-grid .wide{grid-column:auto}.dialog-actions{position:sticky;bottom:-20px;background:white;padding:12px 0 0}}

/* Four-part learning hub */
.challenge-grid{grid-template-columns:repeat(5,1fr)}
.continue-game{margin-top:12px;border:0;border-radius:999px;padding:10px 17px;background:#fff0eb;color:#cf5538;font-weight:900;cursor:pointer;box-shadow:0 8px 18px rgba(255,118,87,.14)}
.challenge-grid .subject-card{min-height:230px;padding:22px}.challenge-grid .subject-card b{font-size:22px}
.subject-card.other{background:#fff6db}.subject-card.mixed{background:#f2ecff}
.mixed-picker{display:flex;align-items:center;justify-content:space-between;gap:24px;background:white;border:1px solid var(--line);border-radius:24px;padding:22px 26px;box-shadow:var(--shadow);margin:20px 0}.mixed-picker h2,.mixed-picker p{margin:0}.mixed-picker p{color:var(--muted);margin-top:5px}.check-pills{display:flex;flex-wrap:wrap;gap:9px}.check-pills label{display:flex;gap:7px;align-items:center;border:1px solid var(--line);border-radius:99px;padding:9px 13px;font-weight:800;background:#fafafa}.check-pills input{width:auto}
.section-title{display:flex;align-items:end;justify-content:space-between;gap:24px}.section-title h1{font-size:48px;line-height:1;margin:0}.section-title p{color:var(--muted)}.title-actions{display:flex;gap:10px;flex-wrap:wrap}.title-actions a{display:inline-flex;align-items:center;justify-content:center;text-decoration:none}.download-template{color:#276a54;background:#edf9f4;border-color:#b9e4d3}.library-tools{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:22px 0}.library-tools>div{display:flex;align-items:center;gap:10px}.filter-tabs{display:flex;gap:6px;flex-wrap:wrap;margin:24px 0}.filter-tabs button{border:1px solid var(--line);background:white;border-radius:99px;padding:9px 15px;font-weight:800;color:var(--muted);cursor:pointer}.filter-tabs button.active{background:var(--ink);border-color:var(--ink);color:white}.empty-state{padding:50px;text-align:center;background:white;border:1px dashed #d8d3c9;border-radius:20px;color:var(--muted)}
.wrong-row{border-left:5px solid #ff9b80}.wrong-row .row-actions button:disabled{background:#f5f5f5}
.row-actions button.danger{background:#fff5f2;color:#c64d35;border-color:#f2c9bf;font-weight:800}
.row-actions button.visibility-button{background:#eef7ff;color:#42698f;border-color:#cfe0f3;font-weight:800}.row-actions button.visibility-button.blocked{background:#f4f1ff;color:#6e55c7;border-color:#ddd4ff}
.question-visual{font-size:64px;margin:18px auto 0}.question-visual img{display:block;max-width:min(420px,100%);max-height:260px;object-fit:contain;border-radius:20px;margin:auto}.recitation-box{margin-top:24px}.poem-answer{white-space:pre-wrap;font-family:"STKaiti","KaiTi",serif;font-size:24px;line-height:2;background:#fffaf0;border-radius:18px;padding:24px;margin:20px 0}.recitation-box #self-check-actions{display:flex;justify-content:center;gap:12px}
.calendar-card{background:white;border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:var(--shadow);margin-top:30px}.week-row,.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:9px}.week-row span{text-align:center;color:var(--muted);font-weight:800;padding:8px}.calendar-day{min-height:92px;border:1px solid #eeeae2;border-radius:15px;background:#faf9f6;padding:12px;text-align:left;display:flex;flex-direction:column;gap:7px}.calendar-day b{font-size:18px}.calendar-day small{color:var(--muted)}.calendar-day.has-history{background:#fff3ec;border-color:#ffc5b5;cursor:pointer}.calendar-day.has-history:hover{transform:translateY(-2px);box-shadow:0 7px 16px rgba(39,55,78,.09)}.history-note{color:var(--muted);text-align:center}.history-day-list{display:grid;gap:10px}.history-row{display:grid;grid-template-columns:34px 1fr;gap:10px;padding:14px;border-radius:14px;background:#f7f7f5}.history-row>span{display:grid;place-items:center;width:30px;height:30px;border-radius:50%;color:white;font-weight:900}.history-row.right>span{background:var(--green)}.history-row.wrong>span{background:var(--coral)}.history-row b{font-size:14px}.history-row p{margin:5px 0 0;color:var(--muted);font-size:13px}
#history-month{width:auto}.entry-tabs{grid-template-columns:repeat(3,1fr)}
.question-tags-web{display:flex;justify-content:center;gap:7px;flex-wrap:wrap;margin:14px 72px 0}.question-tags-web span{padding:5px 10px;border-radius:999px;background:#f4f1ff;color:#6e55c7;font-size:12px;font-weight:800}.question-tags-web:empty{display:none}
@media(max-width:1050px){.challenge-grid{grid-template-columns:repeat(3,1fr)}.mixed-picker{align-items:flex-start;flex-direction:column}}
@media(max-width:760px){.topbar{height:auto;align-items:flex-start;padding-top:12px;padding-bottom:12px}.topbar nav{display:grid;grid-template-columns:repeat(2,1fr)}.challenge-grid{grid-template-columns:1fr}.section-title,.library-tools{align-items:stretch;flex-direction:column}.title-actions{width:100%}.title-actions button{flex:1}.library-tools>div{flex-wrap:wrap}.calendar-card{padding:10px}.week-row,.calendar-grid{gap:4px}.calendar-day{min-height:65px;padding:7px}.calendar-day small{font-size:10px}.entry-tabs{grid-template-columns:1fr}}
.game-head #live-score{min-width:58px;color:#d94f2f;text-align:right}.list-search{display:flex;gap:10px;align-items:center;margin:18px 0}.list-search input{max-width:520px}.list-search .secondary{white-space:nowrap}.pagination{display:flex;align-items:center;justify-content:center;gap:7px;flex-wrap:wrap;margin:24px 0}.pagination button{min-width:38px;height:38px;border:1px solid var(--line);border-radius:10px;background:white;color:var(--ink);font-weight:800;cursor:pointer}.pagination button.active{background:var(--ink);border-color:var(--ink);color:white}.pagination button:disabled{opacity:.38;cursor:not-allowed}.pagination span{margin-left:8px;color:var(--muted);font-size:14px}.history-records{margin-top:34px}.history-records h2{margin-bottom:4px}#result-dialog{width:min(460px,calc(100% - 28px));background:transparent;box-shadow:none}.result-card{background:white;border-radius:30px;padding:38px;text-align:center;box-shadow:0 25px 80px rgba(30,40,55,.24)}.result-emoji{font-size:58px}.result-card h2{font-size:54px;margin:5px 0;color:#e86443}.result-card p:not(.eyebrow){color:var(--muted)}.result-card .primary{min-width:150px;margin-top:12px}
@media(max-width:760px){.list-search{align-items:stretch;flex-wrap:wrap}.list-search input{max-width:none;flex:1 1 100%}.list-search .secondary{flex:1}.pagination span{width:100%;margin:3px 0 0;text-align:center}.game-head{gap:8px}.game-head #live-score{font-size:14px}.result-card{padding:28px 20px}}
.answer-actions{position:sticky;z-index:8;bottom:12px;display:flex;align-items:center;justify-content:flex-end;gap:10px;margin:10px 0 14px;padding:10px 12px;background:rgba(255,253,244,.97);border:1px solid #f1dfaa;border-radius:16px;box-shadow:0 8px 28px rgba(61,49,26,.13)}.answer-actions .primary{min-width:128px}.choice:disabled{cursor:default;opacity:.72}.choice.correct:disabled{opacity:1}.text-answer button:disabled,.self-check-actions button:disabled{opacity:.55;cursor:default}.game-panel>.feedback{margin:10px 0;padding:10px 14px;line-height:1.45}.review-detail{white-space:pre-wrap;line-height:1.7;color:#526174}
@media(max-width:760px){.answer-actions{align-items:stretch;flex-direction:column;text-align:center}.answer-actions .primary{width:100%}}
.wrong-decision{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:14px 0;padding:16px 18px;background:#edf9f4;border:1px solid #b9e4d3;border-radius:16px;color:#276a54}.wrong-decision>div{display:flex;gap:9px;flex-shrink:0}.manage-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:14px 0;padding:14px 18px;background:#f4f1ff;border:1px solid #ddd4ff;border-radius:16px}.manage-bar>label{display:flex;align-items:center;gap:8px;font-weight:800}.manage-bar input,.wrong-selector input{width:19px;height:19px;accent-color:var(--coral)}.manage-bar>div{display:flex;gap:8px}.danger{border:0;border-radius:13px;padding:13px 18px;background:#d94f2f;color:white;font-weight:900;cursor:pointer}.danger:disabled{opacity:.42;cursor:not-allowed}.wrong-selector{display:flex;align-items:center;gap:7px;padding:10px 12px;border:1px solid #ddd8ce;border-radius:12px;font-weight:800;cursor:pointer}.wrong-selector span{font-size:14px}#history-dialog{width:min(860px,calc(100% - 28px))}#history-dialog .dialog-shell{max-height:calc(100vh - 70px);overflow:auto}#history-dialog .pagination{margin-bottom:6px}
@media(max-width:760px){.wrong-decision,.manage-bar{align-items:stretch;flex-direction:column}.wrong-decision>div,.manage-bar>div{display:grid;grid-template-columns:1fr 1fr}.wrong-row.managing{grid-template-columns:1fr}.wrong-selector{justify-content:center}}
body.auth-pending main,body.auth-pending .topbar nav{visibility:hidden}.account-area{display:flex;align-items:center;gap:10px;margin-left:12px}.account-area>span{font-size:13px;font-weight:800;white-space:nowrap;color:#66748a}.account-area .link-btn{padding:8px 7px}.account-button{display:flex;align-items:center;gap:7px;border:1px solid #e5ded4;border-radius:999px;background:#fff;padding:7px 12px 7px 8px;color:#26354a;font-weight:900;cursor:pointer}.account-button:hover{border-color:#ff9b83;background:#fff7f3}.account-icon{display:grid;place-items:center;width:27px;height:27px;border-radius:50%;background:#fff0eb;font-size:14px}#login-dialog{width:min(430px,calc(100% - 28px));background:transparent;box-shadow:none}#login-dialog::backdrop{background:linear-gradient(145deg,#fff1e8,#eef8ff)}.login-card{display:grid;gap:16px;background:white;border-radius:30px;padding:38px!important;box-shadow:0 24px 70px rgba(30,40,55,.18)}.login-card .brand-mark{margin:auto;width:54px;height:54px;font-size:25px}.login-card .eyebrow{text-align:center;margin:0}.login-card h2{text-align:center;font-size:31px;margin:-9px 0 2px}.login-card label{display:grid;gap:7px;font-weight:800;color:#536075}.login-card .primary{margin-top:4px}.form-status{color:#c64d35;min-height:20px}#users-dialog{width:min(980px,calc(100% - 28px))}#users-dialog .dialog-shell{max-height:calc(100vh - 60px);overflow:auto}#users-dialog .entry-tabs{margin-bottom:18px}.single-tab{display:none!important}.profile-group-card{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:16px;padding:16px 18px;border:1px solid #ddd4ff;border-radius:18px;background:#f6f3ff}.profile-group-card>div{display:grid;gap:4px}.profile-group-card small{color:#77849a;font-weight:700}.profile-group-card strong{font-size:18px}.profile-group-card label{display:flex;align-items:center;gap:10px;color:#536075;font-weight:800}.profile-group-card select{min-width:210px}.profile-actions{display:grid!important;grid-template-columns:auto 1fr auto auto;align-items:center}.profile-actions .danger{justify-self:start}
.group-toolbar{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px;padding:18px 20px;border:1px solid #e6dfd6;border-radius:20px;background:#fbfaf7}.group-toolbar>div:first-child{display:grid;gap:4px}.group-toolbar strong{font-size:20px}.group-toolbar span,.member-section-head span{color:#77849a;font-size:13px}.group-toolbar-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px}.group-toolbar-actions button{margin:0}.group-card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.user-group-card{position:relative;display:grid;grid-template-columns:auto 54px 1fr auto;align-items:center;gap:14px;min-height:108px;padding:18px;border:1px solid #e5ded5;border-radius:20px;background:#fff;cursor:pointer;transition:.18s ease}.user-group-card:hover{transform:translateY(-2px);border-color:#ffad99;box-shadow:0 14px 32px rgba(42,52,68,.08)}.group-select-box{align-self:start}.group-select-box input{width:20px;height:20px}.group-card-icon{display:grid;place-items:center;width:54px;height:54px;border-radius:16px;background:#f4f1ff;font-size:25px}.group-card-copy{min-width:0}.group-card-copy h3{margin:0 0 7px;font-size:18px}.group-card-copy p{margin:0;color:#77849a;font-size:13px}.group-card-arrow{color:#69778d;font-weight:800;white-space:nowrap}.compact-dialog{width:min(520px,calc(100vw - 32px))}.member-section{margin-bottom:20px;padding:20px;border:1px solid #e5ded5;border-radius:22px;background:#fff}.add-member-section{background:#f8f6ff;border-color:#ddd4ff}.member-section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}.member-section-head>div{display:grid;gap:3px}.member-section-head strong{font-size:19px}.member-section-head button{margin:0}.member-check-list{display:grid;gap:9px;max-height:280px;overflow:auto}.member-check-row{display:grid;grid-template-columns:auto 42px 1fr auto;align-items:center;gap:11px;padding:11px 13px;border:1px solid #ece6de;border-radius:15px;background:#fff}.member-check-row>input{width:19px;height:19px}.member-avatar{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:#fff0eb;color:#d85b3f;font-weight:900}.member-copy{display:grid;gap:2px;min-width:0}.member-copy small{color:#77849a}.member-check-row button{margin:0;padding:8px 11px;font-size:12px}@media(max-width:720px){.group-toolbar{align-items:flex-start;flex-direction:column}.group-toolbar-actions{justify-content:flex-start}.group-card-grid{grid-template-columns:1fr}.user-group-card{grid-template-columns:auto 45px 1fr}.group-card-arrow{grid-column:3}.member-check-row{grid-template-columns:auto 38px 1fr}.member-check-row button{grid-column:3}}
.readonly-id{max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#8a95a5!important;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:12px!important}.profile-form input:disabled{background:#f0eee9;color:#7d8796;cursor:not-allowed}
@media(max-width:980px){.topbar{flex-wrap:wrap;height:auto;padding-top:10px;padding-bottom:10px}.account-area{width:100%;justify-content:flex-end;margin-top:6px}}@media(max-width:760px){.account-area{justify-content:flex-end;overflow:visible}.account-area>span{display:none}.login-card{padding:28px 22px!important}.profile-group-card{align-items:stretch;flex-direction:column}.profile-group-card label{align-items:stretch;flex-direction:column}.profile-group-card select{width:100%;min-width:0}.profile-actions{grid-template-columns:1fr 1fr!important}.profile-actions span{display:none}.profile-actions button{width:100%}}
.group-section{margin:6px 0 18px;padding:16px 18px;border:1px solid var(--line);border-radius:18px;background:#fff}.group-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.group-list{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.group-chip-wrap{display:inline-flex;align-items:stretch}.group-chip{border:1px solid #ddd8ce;border-radius:999px;background:#fafafa;padding:9px 14px;color:#59677b;font-weight:800;cursor:pointer}.group-chip.active{border-color:#26354a;background:#26354a;color:#fff}.group-chip small{opacity:.7}.group-more{margin-left:-12px;padding:0 10px;border:0;border-left:1px solid #ddd8ce;border-radius:0 999px 999px 0;background:#f0ede7;color:#657084;cursor:pointer}.group-tip{color:var(--muted);font-size:14px}.item-row.managing{grid-template-columns:90px 1fr auto}.library-manage-bar select{min-width:180px;padding:9px}.password-rule{color:#6e55c7;font-weight:800}
@media(max-width:760px){.group-section{padding:14px}.item-row.managing{grid-template-columns:1fr}.library-manage-bar>div{display:grid!important;grid-template-columns:1fr}.library-manage-bar select{width:100%}.row-actions{flex-wrap:wrap}}
.reports-layout{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:28px}.report-card{background:#fff;border:1px solid var(--line);border-radius:26px;padding:24px;box-shadow:var(--shadow)}.report-heading>div{display:flex;align-items:center;gap:13px}.report-heading h2,.report-card h3{margin:0}.report-heading p{margin:4px 0 0;color:var(--muted)}.report-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:16px;background:#fff0eb;font-size:25px}.report-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin:20px 0}.report-metric{padding:13px;border-radius:15px;background:#f7f5f1;text-align:center}.report-metric strong{display:block;font-size:24px}.report-metric small{color:var(--muted)}.report-card h3{margin-top:22px;font-size:16px}.trend-chart{height:150px;display:flex;align-items:end;gap:3px;padding-top:12px;border-bottom:1px solid var(--line)}.trend-column{flex:1;min-width:4px;border-radius:5px 5px 0 0;background:linear-gradient(#6fd4ad,#45b98e);position:relative}.trend-column:hover:after{content:attr(data-tip);position:absolute;bottom:calc(100% + 5px);left:50%;transform:translateX(-50%);white-space:nowrap;background:#26354a;color:white;padding:5px 7px;border-radius:7px;font-size:11px;z-index:2}.report-bars{display:grid;gap:10px;margin-top:12px}.report-bar-row{display:grid;grid-template-columns:100px 1fr 48px;align-items:center;gap:9px;font-size:13px}.report-bar-track{height:10px;border-radius:99px;background:#eeeae3;overflow:hidden}.report-bar-fill{height:100%;border-radius:99px;background:#6e55c7}.achievement-strip{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.achievement-chip{padding:8px 11px;border-radius:99px;background:#fff7d6;color:#735f27;font-weight:800;font-size:12px}.ai-report{margin-top:20px;padding:16px;border-radius:17px;background:#eef7ff;border:1px solid #d8eafb}.ai-report p{margin:8px 0 0;line-height:1.75;color:#52637a}.report-empty{padding:14px;color:var(--muted);background:#f7f5f1;border-radius:13px}@media(max-width:900px){.reports-layout{grid-template-columns:1fr}}@media(max-width:760px){.report-summary{grid-template-columns:1fr 1fr}.report-bar-row{grid-template-columns:76px 1fr 42px}}
.subject-card.custom{background:linear-gradient(135deg,#f2edff,#e9f5ff)}.custom-picker{margin:28px 0;padding:24px;border:1px solid #ddd4ff;border-radius:24px;background:#faf8ff}.custom-picker-head{display:flex;align-items:center;justify-content:space-between;gap:20px}.custom-picker-head h2{margin:0}.custom-picker-head p{color:var(--muted)}.custom-picker-head label{display:grid;gap:6px;font-weight:800}.custom-picker-head input{width:120px}.custom-selected-count{font-weight:900;color:#6e55c7}.custom-item-list{display:grid;gap:9px}.custom-select-row{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:13px;padding:14px;border:1px solid var(--line);border-radius:15px;background:#fff;cursor:pointer}.custom-select-row.selected{border-color:#8b72e5;background:#f6f2ff}.custom-select-row input{width:20px;height:20px}.custom-select-row small{color:var(--muted)}
.number-stepper{display:grid;grid-template-columns:42px 82px 42px;align-items:center;gap:6px}.number-stepper button{height:42px;margin:0;padding:0;border:1px solid #dcd3ff;border-radius:11px;background:#eee9ff;color:#624cb4;font-size:22px;font-weight:900;cursor:pointer}.number-stepper input{width:82px;text-align:center}.group-create-control{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.group-create-control button{margin:0!important;padding:10px 12px;white-space:nowrap}@media(max-width:760px){.custom-picker-head{align-items:flex-start;flex-direction:column}.group-create-control{grid-template-columns:1fr}.group-create-control button{width:100%}}
.import-progress-card{margin-top:20px;padding:22px;border:1px solid #e2dbd1;border-radius:20px;background:#fbfaf7}.import-progress-track{height:16px;overflow:hidden;border-radius:99px;background:#e9e5de}.import-progress-track span{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,#55c59b,#68a8ee);transition:width .3s ease}.import-progress-summary{display:flex;align-items:center;justify-content:space-between;margin-top:14px}.import-progress-summary strong{font-size:28px;color:#276a54}.import-progress-summary span,#import-progress-message{color:var(--muted)}.import-result-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}.import-result-grid span{padding:12px;border-radius:12px;background:white;text-align:center}.import-result-grid b{font-size:22px}.import-error-list{max-height:180px;margin-top:14px;padding:12px;overflow:auto;border-radius:12px;background:#fff0eb;color:#a84935;font-size:13px;line-height:1.7}
.interactive-answer{margin:24px 0;padding:18px;border:1px solid var(--line);border-radius:22px;background:#fffdf9}.interactive-answer canvas{display:block;width:100%;max-height:560px;border-radius:16px;background:#fffaf3;touch-action:none;box-shadow:inset 0 0 0 1px rgba(60,45,30,.08)}.interactive-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:13px}.interactive-head .interactive-tip{flex:1;margin:0}.interactive-tip{margin:0 0 13px;color:var(--muted);font-weight:800;text-align:left}.interactive-step{flex:none;padding:7px 11px;border-radius:999px;background:#fff0dc;color:#b75b36;font-size:13px;font-weight:800;white-space:nowrap}.interactive-controls{display:grid;grid-template-columns:1fr 2fr;gap:12px;margin-top:14px}.interactive-controls button{min-height:50px}.interactive-message{min-height:22px;margin:10px 0 0;color:#765b43;font-weight:700}.interaction-json{min-height:320px;font:13px/1.5 Consolas,monospace}.form-grid label small{color:var(--muted);font-weight:500;line-height:1.5}
.learning-overview{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:26px 0}.learning-overview>div{display:flex;flex-direction:column;gap:5px;padding:20px;border:1px solid var(--line);border-radius:20px;background:#fff;box-shadow:var(--shadow)}.learning-overview strong{font-size:34px}.learning-overview small{color:var(--muted)}.learning-columns{display:grid;grid-template-columns:1.25fr .75fr;gap:18px}.learning-task-list{display:grid;gap:9px;margin:17px 0}.learning-task-list article{display:grid;grid-template-columns:38px 1fr;gap:12px;align-items:center;padding:13px;border-radius:15px;background:#faf8f4}.learning-task-list article>span{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:#eaf9f3;color:#28745a;font-weight:900}.learning-task-list article div{display:grid;gap:4px}.learning-task-list small{color:var(--muted)}.learning-settings-form{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px}.learning-settings-form label{display:grid;gap:6px;color:#536075;font-weight:800}.learning-settings-form button,.learning-settings-form .form-status{grid-column:1/-1}.web-learning-player{max-width:850px;margin:20px auto}.web-learning-player>#web-learning-progress{color:#df6749;font-weight:900}.web-learning-player>#web-learning-reason{padding:12px 15px;border-radius:13px;background:#fff8dc;color:#735f27}.web-learning-player .choice.selected{border-color:#ff7657;background:#fff0eb}.learning-result{margin-top:18px;padding:20px;border-radius:18px;background:#eaf9f3}.learning-result h3{margin-top:0}.learning-status{display:grid;gap:5px;margin:14px 0;padding:13px;border-radius:13px;background:rgba(255,255,255,.7)}.learning-status span{color:var(--muted)}.learning-finished{padding:45px;text-align:center;font-size:24px;font-weight:900}
.unstarted-panel{margin-top:18px}.unstarted-panel .report-heading>strong{color:#6e55c7;font-size:20px}.unstarted-subjects{color:var(--muted);font-weight:800}.unstarted-task-list{max-height:440px;overflow:auto;padding-right:5px}.unstarted-task-list article>span{background:#f1ebff;color:#6e55c7}.unstarted-actions{display:flex;align-items:end;justify-content:flex-end;gap:12px}.unstarted-actions label{display:grid;gap:5px;color:var(--muted);font-weight:800}.unstarted-actions select{min-width:100px}
@media(max-width:800px){.learning-overview{grid-template-columns:1fr 1fr}.learning-columns{grid-template-columns:1fr}.learning-settings-form{grid-template-columns:1fr}.learning-settings-form button,.learning-settings-form .form-status{grid-column:auto}}

/* 编程小工坊：独立于复习与奖励体系的儿童图形编程区 */
.coding-toggle{grid-column:1/-1;display:flex!important;flex-direction:row!important;align-items:center;gap:10px;padding:13px 15px;border-radius:14px;background:#f2edff;color:#563f9d!important}.coding-toggle input{width:20px;height:20px}.coding-progress{align-self:center;padding:12px 18px;border-radius:999px;background:#f0eaff;color:#624bad;font-weight:900;white-space:nowrap}.coding-layout{display:grid;grid-template-columns:220px minmax(0,680px);justify-content:center;gap:22px;align-items:start}.coding-layout>aside{position:sticky;top:90px;max-height:calc(100vh - 110px);overflow:auto}.coding-levels{display:grid;gap:9px}.coding-level{display:grid;gap:3px;width:100%;padding:13px 15px;border:2px solid #e8e0f5;border-radius:15px;background:#fff;text-align:left;color:#344257}.coding-level span{font-weight:800}.coding-level small{color:var(--muted)}.coding-level.active{border-color:#7659ca;background:#f4f0ff;box-shadow:0 7px 18px rgba(93,66,161,.12)}.coding-level.done{background:#ebfaf3}.coding-layout>section{min-width:0}.coding-mission{padding:20px 22px;border-radius:20px;background:#fff3db}.coding-mission small{color:#a76329;font-weight:900}.coding-mission h2{margin:6px 0}.coding-mission p{margin:0;color:#5c6878}.coding-predict-tip{padding:12px 15px;border-radius:13px;background:#f1ecff;color:#654cac;font-weight:800}.coding-grid{display:grid;gap:7px;width:min(100%,520px);margin:18px auto;padding:10px;border:3px solid #c8bbec;border-radius:22px;background:#e9e2f8}.coding-cell{position:relative;display:flex;align-items:center;justify-content:center;aspect-ratio:1;min-width:0;padding:0;border:0;border-radius:13px;background:#fff;font-size:25px}.coding-cell.blocked{background:#d8d3ce}.coding-cell.goal{background:#fff6c9}.coding-cell.predicted{box-shadow:inset 0 0 0 5px #8d70df}.coding-cell small{position:absolute;bottom:2px;color:#624bad;font-size:10px;font-weight:900}.coding-robot{position:absolute;z-index:2;font-size:29px}.coding-robot i{position:absolute;right:-12px;top:-9px;color:#583fa2;font-size:15px;font-style:normal}.coding-toolbox,.coding-program{margin-top:16px;padding:18px;border-radius:18px;background:#fff;box-shadow:0 8px 22px rgba(46,39,70,.06)}.coding-toolbox>div{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-top:11px}.coding-toolbox button{min-height:48px;border:1px solid #dcd2f4;border-radius:13px;background:#f4f0ff;color:#493a75;font-weight:900}.coding-program>div:first-child{display:flex;justify-content:space-between}.coding-program-row{display:grid;grid-template-columns:32px minmax(115px,1fr) auto auto;align-items:center;gap:8px;margin-top:9px;padding:9px;border-radius:13px;background:#f7f5fb}.coding-program-row>span:first-child{display:flex;align-items:center;justify-content:center;width:27px;height:27px;border-radius:50%;background:#7659ca;color:#fff;font-size:12px}.coding-program-row>div,.coding-repeat{display:flex;align-items:center;gap:4px}.coding-program-row button{width:38px;height:38px;padding:0;border:0;border-radius:10px;background:#fff;color:#5e5077}.coding-repeat em{font-size:13px;font-style:normal;white-space:nowrap}.coding-program-empty{padding:20px;text-align:center;color:var(--muted)}.coding-run-actions{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-top:16px}.coding-run-actions button{min-height:46px}.coding-message{margin-top:14px;padding:15px;border-radius:15px;background:#fff2dc;color:#936029;font-weight:900}.coding-message.good{background:#e9faf2;color:#247657}.coding-submit{width:100%;margin-top:14px;min-height:50px}.coding-reward-note{color:var(--muted);font-size:13px;line-height:1.55;text-align:center}
@media(max-width:800px){.coding-layout{grid-template-columns:1fr}.coding-layout>aside{position:static;max-height:none;overflow:auto}.coding-levels{display:flex;width:max-content}.coding-level{width:145px}.coding-toolbox>div{grid-template-columns:1fr 1fr}.coding-program-row{grid-template-columns:28px minmax(90px,1fr) auto}.coding-program-row>span:nth-child(3){display:none}.coding-program-row>div:last-child{grid-column:2/-1;justify-content:flex-end}.coding-run-actions{grid-template-columns:1fr 1fr}}
.coding-run-actions{grid-template-columns:repeat(3,minmax(0,1fr));width:100%}.coding-run-actions button{box-sizing:border-box;width:100%;min-width:0;padding-left:6px;padding-right:6px}
@media(max-width:800px){.coding-run-actions{grid-template-columns:repeat(3,minmax(0,1fr))}}
.coding-toggle{display:none!important}

/* 编程小工坊 v2：指令与程序都保持单排，支持直接拖放和小按钮删除 */
.coding-toolbox>div:first-child,.coding-program>div:first-child{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:0}.coding-toolbox small,.coding-program>small{color:var(--muted)}#coding-tools{display:flex;grid-template-columns:none;gap:9px;margin-top:11px;overflow-x:auto;padding:2px 2px 8px}.coding-toolbox button{display:grid;flex:1 0 104px;place-items:center;min-height:66px;padding:8px;cursor:grab}.coding-toolbox button span{font-size:22px}.coding-toolbox button b{font-size:13px}#coding-program-list{display:flex;align-items:stretch;gap:9px;min-height:92px;margin-top:11px;overflow-x:auto;padding:6px 2px 10px}.coding-program-chip{position:relative;display:grid;flex:0 0 82px;place-items:center;align-content:center;gap:3px;min-height:76px;padding:8px;border:2px solid #e0d7f4;border-radius:15px;background:#f7f4ff;cursor:grab}.coding-program-chip.dragging{opacity:.45}.coding-program-chip>span{font-size:25px}.coding-program-chip>b{max-width:72px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px}.coding-program-delete{position:absolute;right:-5px;top:-7px;width:25px;height:25px;padding:0;border:0;border-radius:50%;background:#ff7262;color:#fff;font-size:17px;line-height:1}.coding-repeat-badge{position:absolute;right:5px;bottom:5px;min-width:29px;height:23px;padding:0 5px;border:0;border-radius:10px;background:#7659ca;color:#fff;font-size:11px}.coding-program-empty{flex:1;padding:25px 12px;border:2px dashed #d7cdec;border-radius:14px;text-align:center;color:var(--muted)}.coding-run-actions{grid-template-columns:1fr 1.6fr;gap:9px}.coding-run-actions button{box-sizing:border-box;width:100%;min-width:0;min-height:50px}
@media(max-width:800px){.coding-toolbox,.coding-program{padding:14px}.coding-toolbox button{flex-basis:86px}.coding-program-chip{flex-basis:74px}.coding-run-actions{grid-template-columns:1fr 1.45fr}}