:root{--ink:#172034;--muted:#7d879c;--bg:#f5f6fb;--card:#fff;--line:#e8eaf2;--violet:#7057ff;--blue:#2c70ff;--pink:#ff5e9c;--orange:#ff9d3d;--green:#31c78f;--danger:#f04b5d;--shadow:0 18px 50px rgba(37,39,92,.10)}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{background:var(--bg)}body{margin:0;color:var(--ink);background:radial-gradient(circle at 85% -10%,#e8e3ff 0,transparent 36%),var(--bg);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button{cursor:pointer}.hidden{display:none!important}
.eyebrow{margin:0;color:var(--violet);font-size:10px;font-weight:900;letter-spacing:.18em}.muted,.security-note{color:var(--muted)}
.login-screen{min-height:100dvh;display:grid;place-items:center;padding:22px}.login-card{width:min(440px,100%);background:#fff;border:1px solid var(--line);border-radius:30px;padding:34px;box-shadow:var(--shadow)}.logo{width:58px;height:58px;display:grid;place-items:center;background:linear-gradient(145deg,var(--blue),var(--violet));color:#fff;border-radius:19px;font-size:28px;font-weight:900;margin-bottom:28px}.login-card h1{font-size:36px;margin:7px 0 8px;letter-spacing:-.05em}.login-card label{display:grid;gap:8px;font-weight:800;font-size:13px;margin:24px 0 12px}.login-error{min-height:20px;color:var(--danger);font-size:13px}.security-note{font-size:12px;margin:16px 0 0}
input,select{width:100%;border:1px solid #d9ddea;border-radius:14px;background:#fff;color:var(--ink);padding:13px 14px;outline:none}input:focus,select:focus{border-color:#927fff;box-shadow:0 0 0 4px #eeeaff}.primary,.secondary{border:0;border-radius:15px;padding:14px 18px;font-weight:900}.primary{background:linear-gradient(135deg,var(--blue),var(--violet));color:#fff;box-shadow:0 9px 22px rgba(81,91,255,.24)}.secondary{background:#f0f1f7;color:#424a60}.wide{width:100%}
.app{min-height:100dvh;padding-bottom:92px}.mobile-top{display:flex;justify-content:space-between;align-items:center;padding:calc(18px + env(safe-area-inset-top)) 18px 12px;max-width:980px;margin:auto}.mobile-top h1{margin:4px 0 0;font-size:27px;letter-spacing:-.04em}.icon-btn{width:42px;height:42px;border:0;border-radius:14px;background:#fff;box-shadow:0 8px 22px rgba(31,38,80,.08);font-weight:900;color:#687085}.shell{width:min(980px,100%);margin:auto;padding:0 14px 24px}.view{animation:fadeIn .2s ease}@keyframes fadeIn{from{opacity:.4;transform:translateY(4px)}to{opacity:1;transform:none}}
.hero-card{display:flex;justify-content:space-between;align-items:center;gap:18px;color:#fff;background:linear-gradient(135deg,#6554ff,#3c78ff 72%,#37b8ff);border-radius:26px;padding:22px;box-shadow:0 18px 44px rgba(82,89,255,.24);overflow:hidden;position:relative}.hero-card:after{content:"";position:absolute;width:150px;height:150px;border:26px solid rgba(255,255,255,.08);border-radius:50%;right:-70px;top:-75px}.date-pill{display:inline-flex;padding:6px 10px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.18);border-radius:999px;font-size:12px;font-weight:800}.hero-card h2{font-size:30px;margin:9px 0 5px}.hero-card p{margin:0;opacity:.78;font-size:13px;max-width:280px}.energy{position:relative;z-index:1;min-width:88px;text-align:center;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.2);border-radius:22px;padding:13px 10px}.energy span{font-size:22px}.energy strong{display:block;font-size:29px;line-height:1}.energy small{display:block;font-size:10px;margin-top:5px;opacity:.78}
.game-card,.signed-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:18px;margin-top:14px;box-shadow:0 9px 30px rgba(33,38,81,.055)}.ai-card{background:linear-gradient(180deg,#fff 0,#fbfaff 100%)}.section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:14px}.section-head h3{margin:5px 0 0;font-size:18px}.ai-badge,.signed-badge{display:inline-flex;border-radius:999px;padding:5px 9px;font-size:10px;font-weight:900;letter-spacing:.05em}.ai-badge{background:#efeaff;color:#6b4cff}.signed-badge{background:#dcfff1;color:#159b6a}.mini-note,.sort-note{color:var(--muted);font-size:10px}.sort-note{margin:10px 1px 6px}
.bubble-cloud{display:flex;flex-wrap:wrap;gap:9px}.student-bubble{position:relative;border:0;border-radius:999px;padding:10px 14px;font-size:14px;font-weight:900;color:#363b54;background:#eef1ff;box-shadow:inset 0 -2px 0 rgba(29,36,95,.06),0 6px 14px rgba(58,68,133,.08);transition:.16s transform,.16s opacity}.student-bubble:active{transform:scale(.92)}.student-bubble .tiny-class{margin-left:5px;font-size:9px;opacity:.55;font-weight:800}.student-bubble.c0{background:#e9edff;color:#4b4bdd}.student-bubble.c1{background:#ffe8f1;color:#c84278}.student-bubble.c2{background:#e4fbf1;color:#17865e}.student-bubble.c3{background:#fff2df;color:#b86d13}.student-bubble.c4{background:#e6f7ff;color:#1775a5}.student-bubble.c5{background:#f1eaff;color:#7647b9}.student-bubble.checked{background:linear-gradient(135deg,#a70f26,#d11f3a 58%,#7e091b);color:#fff;opacity:1;border:2px solid #6f0717;box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 8px 18px rgba(150,12,38,.34);text-shadow:0 1px 2px rgba(70,0,12,.35)}.student-bubble.checked .tiny-class{opacity:.9;color:#fff}.student-bubble.checked:after{content:"✓";display:inline-grid;place-items:center;width:17px;height:17px;margin-left:6px;border-radius:50%;background:#fff;color:#9c0d25;font-size:10px;font-weight:1000;vertical-align:1px}.student-bubble.recommended:after{content:"✦";font-size:9px;margin-left:5px;color:#8a65ff}
.student-bubble.editing{animation:studentJiggle .18s ease-in-out infinite alternate;transform-origin:50% 55%;overflow:visible}.student-bubble.editing:nth-child(2n){animation-direction:alternate-reverse;animation-duration:.16s}.student-bubble.editing:before{content:"−";position:absolute;z-index:2;left:-6px;top:-7px;width:18px;height:18px;display:grid;place-items:center;border-radius:50%;background:#2b3148;color:#fff;font-size:15px;line-height:1;box-shadow:0 3px 8px rgba(23,29,52,.22)}@keyframes studentJiggle{from{transform:rotate(-1.5deg) translateY(-.4px)}to{transform:rotate(1.5deg) translateY(.4px)}}
.signed-card{background:linear-gradient(145deg,#1e2841,#2e3b5c);color:#fff;border:0}.signed-summary{display:flex;flex-wrap:wrap;align-items:center;gap:7px;margin:-3px 0 12px;padding:10px 11px;border-radius:15px;background:rgba(255,255,255,.075);border:1px solid rgba(255,255,255,.08)}.signed-summary span{display:inline-flex;align-items:center;gap:3px;padding:6px 9px;border-radius:999px;background:rgba(255,255,255,.1);font-size:10px;color:#dfe7fb;white-space:nowrap}.signed-summary span b{font-size:13px;color:#fff}.signed-summary .signed-summary-total{background:linear-gradient(135deg,rgba(111,91,255,.8),rgba(55,143,255,.7));font-weight:900;color:#fff}.signed-zone{min-height:118px;border:1px dashed rgba(255,255,255,.18);border-radius:20px;padding:12px;display:flex;flex-wrap:wrap;gap:10px;align-content:flex-start}.signed-zone .student-bubble{background:linear-gradient(135deg,#6c5cff,#3e88ff);color:#fff;box-shadow:0 9px 18px rgba(62,100,255,.3)}.signed-empty{width:100%;align-self:center;text-align:center;color:#8792ac;font-size:14px}.signed-empty small{font-size:10px}
.register-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;border:0;border-radius:20px;margin:14px 0 0;padding:17px 18px;background:linear-gradient(135deg,#ff5f98,#ff8149);color:#fff;box-shadow:0 14px 28px rgba(255,94,119,.25)}.register-btn>span{font-size:24px}.register-btn strong{font-size:17px}.register-btn small{opacity:.74}
.page-head{display:flex;justify-content:space-between;align-items:center;margin:4px 2px 14px}.page-head h2{margin:4px 0 0;font-size:27px}.round-add{width:44px;height:44px;border:0;border-radius:15px;background:linear-gradient(135deg,var(--blue),var(--violet));color:#fff;font-size:23px}.search-row{margin-bottom:10px}.watch-hint{text-align:center;color:var(--muted);font-size:10px;margin:5px 0 14px}.student-cards.watch-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:4px 2px;align-items:center;justify-items:center;padding:8px 0 26px;overflow:hidden}.student-watch-orb{position:relative;width:102px;height:112px;border:0;background:transparent;padding:0;display:grid;place-items:center}.student-watch-orb:nth-child(3n+2){transform:translateY(22px)}.watch-orb-core{position:relative;width:92px;height:92px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:hidden;color:#fff;text-shadow:0 1px 3px rgba(16,24,58,.28);box-shadow:inset 0 1px 0 rgba(255,255,255,.55),inset 0 -11px 24px rgba(24,30,85,.18),0 12px 28px rgba(47,55,118,.23),0 3px 8px rgba(38,45,90,.13);animation:watchBreath var(--orbit-speed,3.8s) ease-in-out infinite;animation-delay:var(--orbit-delay,0s);will-change:transform,filter}.student-watch-orb:active .watch-orb-core{transform:scale(.9)!important;transition:.08s}.watch-glint{position:absolute;width:72%;height:42%;left:8%;top:5%;border-radius:50%;background:linear-gradient(180deg,rgba(255,255,255,.45),rgba(255,255,255,0));filter:blur(.5px);transform:rotate(-12deg)}.watch-orb-core strong{position:relative;z-index:1;font-size:17px;line-height:1.05;max-width:76px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.watch-orb-core small{position:relative;z-index:1;font-size:9px;font-weight:800;opacity:.8;margin-top:5px}.watch-orb-core em{position:relative;z-index:1;font-style:normal;font-size:8px;font-weight:900;margin-top:4px;padding:3px 6px;border-radius:999px;background:rgba(255,255,255,.18);backdrop-filter:blur(5px)}.student-watch-orb.c0 .watch-orb-core{background:radial-gradient(circle at 31% 22%,#9ca8ff 0,#5867f0 38%,#343fc3 100%)}.student-watch-orb.c1 .watch-orb-core{background:radial-gradient(circle at 31% 22%,#ffaad0 0,#f05c9c 40%,#bb2c71 100%)}.student-watch-orb.c2 .watch-orb-core{background:radial-gradient(circle at 31% 22%,#84f0c5 0,#2ec391 42%,#118061 100%)}.student-watch-orb.c3 .watch-orb-core{background:radial-gradient(circle at 31% 22%,#ffd997 0,#ffab43 42%,#d87315 100%)}.student-watch-orb.c4 .watch-orb-core{background:radial-gradient(circle at 31% 22%,#8bddff 0,#37a9dc 42%,#176c9b 100%)}.student-watch-orb.c5 .watch-orb-core{background:radial-gradient(circle at 31% 22%,#cba5ff 0,#8c66df 42%,#5d37ad 100%)}@keyframes watchBreath{0%,100%{transform:scale(.96) translateY(1px);filter:saturate(.96) brightness(.98)}50%{transform:scale(1.035) translateY(-2px);filter:saturate(1.06) brightness(1.05)}}.student-meta{font-size:11px;color:var(--muted)}.mini-btn{border:0;border-radius:11px;padding:9px 11px;background:#f0f1f7;color:#495166;font-size:11px;font-weight:900}.mini-btn.accent{background:#ebe8ff;color:#6449dd}
.month-pill{font-size:12px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 11px}.score-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}.score-grid article{background:linear-gradient(135deg,#fff,#f7f6ff);border:1px solid var(--line);border-radius:20px;padding:18px}.score-grid span{color:var(--muted);font-size:11px}.score-grid strong{display:block;margin-top:5px;font-size:28px}.compact-score{margin:14px 0}.leaderboard{display:grid;gap:8px}.rank-row{display:grid;grid-template-columns:38px 1fr auto;align-items:center;gap:9px;padding:11px;border-radius:14px;background:#f7f8fc}.rank-no{width:30px;height:30px;display:grid;place-items:center;border-radius:10px;background:#eceeff;color:#5a56c8;font-weight:900}.rank-row:nth-child(1) .rank-no{background:#fff0c7;color:#ae7200}.rank-row:nth-child(2) .rank-no{background:#edf0f6;color:#727a8f}.rank-row:nth-child(3) .rank-no{background:#f8e9df;color:#a96b43}.rank-count{font-weight:900}.day-record-list{display:grid;gap:7px}.day-record-row{display:grid;grid-template-columns:54px 1fr 26px;align-items:center;gap:9px;padding:10px 11px;border-radius:14px;background:#f7f8fc}.record-time{font-size:11px;font-weight:900;color:#646d82}.day-record-row strong{display:block;font-size:13px}.day-record-row small{display:block;margin-top:2px;color:var(--muted);font-size:9px}.record-check{width:24px;height:24px;display:grid;place-items:center;border-radius:50%;background:#ddfaee;color:#16956a;font-weight:900}.report-range{display:grid;grid-template-columns:1fr 1fr;gap:9px}.report-range label{font-size:10px;font-weight:900;color:#5f677a}.report-range input{margin-top:6px;padding:10px}.report-student-picker{width:100%;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;border:0;border-radius:15px;background:#f5f6fb;padding:13px;margin:11px 0;text-align:left;color:#485066}.report-student-picker span{font-size:10px;color:var(--muted)}.report-student-picker strong{text-align:right;font-size:12px}.report-student-picker b{font-size:20px}.report-subhead{margin-top:18px}.report-select-actions{display:flex;gap:8px;margin-bottom:10px}.report-select-actions button{flex:1}.report-student-list{display:grid;gap:7px;max-height:52dvh;overflow:auto;margin-bottom:13px}.report-student-option{display:grid!important;grid-template-columns:0 30px 1fr;align-items:center;gap:10px;margin:0!important;padding:10px!important;border-radius:14px;background:#f7f8fc;overflow:hidden}.report-student-option input{width:1px;height:1px;opacity:0;padding:0;border:0}.report-checkmark{width:28px;height:28px;display:grid;place-items:center;border-radius:9px;background:#e8eaf1;color:transparent;font-weight:900}.report-student-option input:checked+.report-checkmark{background:#6e59ff;color:#fff}.report-student-option strong{display:block}.report-student-option small{display:block;color:var(--muted);font-size:9px;margin-top:2px}.day-attendance-panel{padding:11px;border-radius:17px;background:#f7f8fc;margin-bottom:12px}.day-attendance-panel .section-head{margin-bottom:8px}.backup-card p{color:var(--muted);font-size:12px}.button-row{display:flex;gap:9px}.button-row>*{flex:1}
.bottom-nav{position:fixed;z-index:40;left:50%;bottom:0;transform:translateX(-50%);width:min(980px,100%);display:grid;grid-template-columns:repeat(6,1fr);padding:7px 8px calc(7px + env(safe-area-inset-bottom));background:rgba(249,250,253,.92);backdrop-filter:blur(18px);border-top:1px solid rgba(221,224,235,.9)}.nav-tab{border:0;background:transparent;color:#8990a1;display:grid;justify-items:center;gap:2px;padding:5px 2px}.nav-tab span{font-size:19px;line-height:1}.nav-tab b{font-size:9px}.nav-tab.active{color:var(--violet)}
.role-chip{display:inline-flex;padding:7px 10px;border-radius:999px;background:#1f2942;color:#fff;font-size:10px;font-weight:900}.admin-profile{display:flex;align-items:center;gap:13px}.admin-avatar{width:50px;height:50px;display:grid;place-items:center;border-radius:16px;background:linear-gradient(135deg,#2c70ff,#7057ff);color:#fff;font-size:22px;font-weight:900}.admin-profile span{display:block;color:var(--muted);font-size:10px;margin-bottom:3px}.admin-profile strong{font-size:20px}.settings-form label{display:grid;gap:7px;font-size:12px;font-weight:900;margin:13px 0}
.edit-done{position:fixed;z-index:85;right:16px;top:calc(14px + env(safe-area-inset-top));border:0;border-radius:999px;padding:10px 16px;background:#1f2942;color:#fff;font-size:12px;font-weight:900;box-shadow:0 8px 24px rgba(26,33,58,.22)}
.admin-list{display:grid;gap:9px}.admin-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px;border-radius:15px;background:#f7f8fc}.admin-row-main{display:flex;align-items:center;gap:10px}.admin-dot{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:#ebe8ff;color:#6449dd;font-weight:900}.admin-row-main strong{display:block}.admin-row-main small{display:block;color:var(--muted);font-size:9px;margin-top:2px}.admin-lock{font-size:9px;color:#8d93a2;background:#eceef3;border-radius:999px;padding:6px 8px}.mini-btn.danger{background:#ffe9ec;color:#c63d4f}
.sheet-dialog{border:0;padding:0;background:transparent;width:100%;max-width:760px;max-height:none;margin:auto auto 0}.sheet-dialog::backdrop{background:rgba(17,21,39,.45);backdrop-filter:blur(2px)}.sheet{background:#fff;border-radius:28px 28px 0 0;padding:10px 16px calc(22px + env(safe-area-inset-bottom));max-height:86dvh;overflow:auto}.compact .sheet{max-height:78dvh}.sheet-grabber{width:42px;height:5px;background:#dfe1e9;border-radius:999px;margin:0 auto 15px}.sheet-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:13px}.sheet-head h2{margin:4px 0 0;font-size:24px}.sheet-head-actions{display:flex;align-items:center;gap:8px}.picker-edit-done{height:38px;border:0;border-radius:999px;padding:0 15px;background:#252d47;color:#fff;font-size:12px;font-weight:900;box-shadow:0 6px 16px rgba(31,38,67,.16)}.close-btn{width:38px;height:38px;border:0;border-radius:50%;background:#f0f1f5;font-size:23px;color:#666e80}.sheet-search{margin-bottom:10px}.class-chips{display:flex;gap:7px;overflow:auto;padding:1px 0 4px}.class-chip{white-space:nowrap;border:0;border-radius:999px;padding:8px 11px;background:#f0f1f6;font-size:11px;font-weight:900;color:#646c80}.class-chip.active{background:#292f48;color:#fff}.picker-status{display:inline-flex;align-items:center;min-height:28px;margin-top:8px;padding:6px 9px;border-radius:999px;font-size:10px;font-weight:900}.picker-status.loading{background:#eef1ff;color:#6557d8}.picker-status.success{background:#e5fbf1;color:#17825d}.picker-status.error{background:#ffebed;color:#c0394b}.all-students{min-height:170px;padding:8px 0 36px}
.big-input-label,.sheet label{display:grid;gap:7px;font-size:12px;font-weight:900;margin:12px 0}.money-input{display:flex;align-items:center;border:1px solid #d9ddea;border-radius:18px;padding-left:16px}.money-input:focus-within{border-color:#927fff;box-shadow:0 0 0 4px #eeeaff}.money-input span{font-size:24px;font-weight:900}.money-input input{border:0;box-shadow:none!important;font-size:26px;font-weight:900}.mode-switch{display:grid;grid-template-columns:1fr 1fr;background:#f0f1f6;padding:4px;border-radius:15px}.mode-switch label{margin:0}.mode-switch input{display:none}.mode-switch span{display:block;text-align:center;padding:10px;border-radius:12px;color:#7a8192;font-weight:900}.mode-switch input:checked+span{background:#fff;color:#5b4bd6;box-shadow:0 4px 12px rgba(39,44,88,.08)}.prepaid-box{background:#f7f7fb;border-radius:17px;padding:2px 13px 10px;margin-top:10px}.prepaid-box small,.form-tip{color:var(--muted);font-size:11px}.form-tip{line-height:1.5}
.student-action-list{display:grid;gap:9px;padding-bottom:6px}.student-action-list button{width:100%;display:flex;align-items:center;gap:12px;border:0;border-radius:16px;padding:14px;background:#f6f7fb;color:#252c40;text-align:left}.student-action-list button span{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:#fff;font-size:17px;font-weight:900;box-shadow:0 4px 11px rgba(30,36,70,.07)}.student-action-list button b{font-size:14px}.student-action-list button.danger{background:#fff0f2;color:#c3384b}.student-action-list button.danger span{color:#d63d53}
.calendar-toolbar{display:grid;grid-template-columns:44px 1fr 44px;align-items:center;gap:10px;margin:2px 0 12px}.calendar-toolbar>div{text-align:center}.calendar-toolbar h2{margin:4px 0 0;font-size:26px}.calendar-nav-btn{width:44px;height:44px;border:0;border-radius:15px;background:#fff;color:#343b53;font-size:30px;line-height:1;box-shadow:0 8px 24px rgba(31,38,80,.08)}.calendar-card{padding:14px}.calendar-topline{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:9px}.calendar-month-summary{margin:-1px 2px 10px;color:#8b93a5;font-size:9px;line-height:1.5}.calendar-month-summary strong{color:#30384d;font-size:11px;font-weight:1000}.calendar-topline strong{display:block;font-size:15px}.calendar-topline small{display:block;color:var(--muted);font-size:10px;margin-top:3px}.calendar-today-btn{border:0;border-radius:999px;padding:8px 11px;background:#f1efff;color:#6650dc;font-size:10px;font-weight:900}.heat-legend{display:flex;justify-content:flex-end;align-items:center;gap:4px;color:var(--muted);font-size:9px;margin:5px 2px 12px}.heat-box{width:15px;height:15px;border-radius:5px;display:inline-block}.calendar-weekdays,.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}.calendar-weekdays{margin-bottom:6px}.calendar-weekdays span{text-align:center;color:#8d94a7;font-size:9px;font-weight:900;padding:4px 0}.calendar-day{position:relative;min-height:66px;border:1px solid #edf0f5;border-radius:14px;background:#fafbfe;padding:7px 6px;text-align:left;color:#30384d;overflow:hidden}.calendar-day.empty{visibility:hidden}.calendar-day.today{box-shadow:0 0 0 2px #6f59ff inset}.calendar-day.holiday{box-shadow:0 0 0 2px #8e72ff inset}.calendar-day-number{font-size:11px;font-weight:900}.calendar-day-count{display:block;margin-top:7px;font-size:9px;font-weight:900}.calendar-day-markers{position:absolute;right:5px;top:5px;display:flex;gap:3px}.calendar-badge{display:grid;place-items:center;min-width:18px;height:18px;padding:0 4px;border-radius:999px;background:rgba(255,255,255,.78);font-size:8px;font-weight:900}.calendar-badge.holiday{color:#7447d7}.calendar-badge.plan{color:#3468bd}.calendar-help p{margin:6px 0 0;color:var(--muted);font-size:11px;line-height:1.6}.heat-0{background:#fafbfe}.heat-1{background:#fff0f1}.heat-2{background:#ffd9dc}.heat-3{background:#ffafb5}.heat-4{background:#ff747f;color:#fff}.heat-5{background:#df3043;color:#fff}.calendar-day.heat-4,.calendar-day.heat-5{border-color:transparent}.calendar-day.heat-4 .calendar-day-count,.calendar-day.heat-5 .calendar-day-count{color:#fff}.calendar-day-count{color:#a34a55}
.calendar-day-sheet,.calendar-detail-sheet{max-height:90dvh}.calendar-day-count{font-size:10px;color:#9a6270}.calendar-detail-plan{display:grid;gap:9px;margin:12px 0}.calendar-detail-meta{display:flex;flex-wrap:wrap;gap:7px}.calendar-detail-chip{display:inline-flex;align-items:center;padding:7px 10px;border-radius:999px;background:#f0efff;color:#6750d9;font-size:10px;font-weight:900}.calendar-detail-chip.holiday{background:#fff0d9;color:#b96c09}.calendar-detail-note{padding:12px;border-radius:15px;background:#f7f8fc;color:#596175;font-size:12px;line-height:1.55}.calendar-detail-period{display:grid;grid-template-columns:38px 1fr;gap:10px;padding:11px;border-radius:16px;background:#f7f8fc}.calendar-detail-period .period-icon{width:38px;height:38px}.calendar-detail-period strong{display:block;font-size:13px}.calendar-detail-period small{display:block;margin-top:4px;color:#6c7488;font-size:10px;line-height:1.45}.calendar-detail-empty{padding:14px;border-radius:15px;background:#f7f8fc;text-align:center;color:#9299aa;font-size:11px}.calendar-detail-actions{display:grid;grid-template-columns:1fr 1.35fr;gap:9px}.calendar-detail-actions button{width:100%}.secondary.danger{background:#fff0f2;color:#c63d4f}.calendar-longpress-tip{text-align:center;color:#9aa1b2;font-size:9px;margin:9px 0 0}.holiday-switch{display:flex!important;align-items:center;gap:12px;background:#f8f5ff;border-radius:17px;padding:12px!important;margin:8px 0 12px!important}.holiday-switch>input{display:none}.holiday-switch-track{position:relative;width:44px;height:26px;flex:0 0 44px;border-radius:999px;background:#dfe2eb;transition:.18s}.holiday-switch-track:after{content:"";position:absolute;width:20px;height:20px;left:3px;top:3px;border-radius:50%;background:#fff;box-shadow:0 2px 7px rgba(31,38,75,.22);transition:.18s}.holiday-switch>input:checked+.holiday-switch-track{background:#755cff}.holiday-switch>input:checked+.holiday-switch-track:after{transform:translateX(18px)}.holiday-switch div strong{display:block;font-size:13px}.holiday-switch div small{display:block;color:var(--muted);font-size:9px;margin-top:2px}.day-period-list{display:grid;gap:10px;margin:12px 0}.day-period{display:grid;grid-template-columns:42px 1fr;gap:10px;padding:12px;border-radius:18px;background:#f8f9fc}.period-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:14px;font-size:19px;font-weight:900;background:#fff;box-shadow:0 5px 13px rgba(32,38,75,.06)}.day-period.morning .period-icon{color:#d88b17}.day-period.afternoon .period-icon{color:#e1694f}.day-period.evening .period-icon{color:#6650cf}.period-body strong{display:block;font-size:13px;margin-bottom:7px}.period-times{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:7px;margin-bottom:7px}.time24-picker{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:4px;border:1px solid #d9ddea;border-radius:14px;background:#fff;padding:4px}.time24-picker select{width:100%;min-width:0;border:0;background:transparent;padding:8px 2px;text-align:center;font-size:15px;font-weight:900;color:#273047;appearance:auto;box-shadow:none}.time24-picker select:disabled{opacity:.5}.time24-picker>span{color:#8d94a7;font-weight:900}.period-body>input{padding:10px 11px}.calendar-form-actions{display:grid;grid-template-columns:1fr 1.4fr;gap:9px;margin-top:12px}.calendar-form-actions button{width:100%}
.alert-dialog{border:0;background:transparent;padding:0;width:min(390px,calc(100% - 30px))}.alert-dialog::backdrop{background:rgba(17,21,39,.48);backdrop-filter:blur(3px)}.alert-card{background:#fff;border-radius:26px;padding:24px;text-align:center;box-shadow:var(--shadow)}.alert-icon{width:56px;height:56px;display:grid;place-items:center;margin:auto;background:#fff0e3;color:#e87c27;border-radius:18px;font-size:28px;font-weight:900}.alert-card h2{margin:13px 0 7px}.alert-card p{white-space:pre-line;color:#626b7f;font-size:14px;line-height:1.65}
.empty-mini{text-align:center;color:var(--muted);font-size:12px;padding:12px}.toast{position:fixed;z-index:100;left:50%;bottom:90px;transform:translate(-50%,15px);background:#1e263c;color:#fff;padding:11px 16px;border-radius:999px;font-size:12px;font-weight:800;opacity:0;pointer-events:none;transition:.2s;white-space:nowrap}.toast.show{opacity:1;transform:translate(-50%,0)}.flying-bubble{position:fixed;z-index:9999;pointer-events:none;margin:0;transition:transform .48s cubic-bezier(.2,.8,.2,1),opacity .48s}
@media(min-width:760px){.shell{padding:0 22px 36px}.mobile-top{padding-left:26px;padding-right:26px}.view{max-width:860px;margin:auto}.hero-card{padding:28px}.game-card,.signed-card{padding:22px}.student-cards.watch-grid{grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}.student-watch-orb{width:118px;height:126px}.watch-orb-core{width:102px;height:102px}.register-btn{max-width:440px;margin:18px auto 0}.bottom-nav{border-radius:22px 22px 0 0;box-shadow:0 -10px 40px rgba(35,39,80,.08)}}
/* 班级切分 / KOF 风格“切” */
.class-tools{display:flex;align-items:center;gap:8px}.class-assign-btn{height:38px;border:1px solid rgba(255,255,255,.16);border-radius:12px;padding:0 12px;background:rgba(255,255,255,.09);color:#fff;font-size:11px;font-weight:900}.class-assign-btn.active{background:#8b1128;border-color:#ff607b;box-shadow:0 0 0 3px rgba(255,70,101,.13)}.class-cut-btn{position:relative;width:48px;height:42px;border:0;border-radius:13px;overflow:hidden;background:linear-gradient(145deg,#1b1c27,#3b1420 52%,#8e102c);color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.16),0 7px 16px rgba(118,7,31,.26);transform:skewX(-7deg)}.class-cut-btn:before{content:"";position:absolute;width:58px;height:4px;left:-4px;top:18px;background:linear-gradient(90deg,transparent,#fff 28%,#ff304f 54%,transparent);transform:rotate(-27deg);filter:drop-shadow(0 0 5px #ff2449);opacity:.92}.class-cut-btn span{position:relative;z-index:2;display:grid;place-items:center;height:100%;font-size:18px;font-weight:1000;font-style:italic;letter-spacing:.06em;text-shadow:2px 2px 0 #6b0016;transform:skewX(7deg)}.class-cut-btn:active{transform:skewX(-7deg) scale(.92)}.sheet-cut{width:42px;height:38px}.register-row{display:grid;grid-template-columns:1fr 54px;gap:9px;align-items:stretch;margin-top:14px}.register-row .register-btn{margin:0}.register-cut{width:54px;height:auto;min-height:58px;border-radius:18px}.class-status-row{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:-5px 0 10px}.class-status-row>span:first-child,.picker-class-hint{display:inline-flex;align-items:center;gap:6px;padding:6px 9px;border-radius:999px;background:rgba(255,255,255,.09);color:#dce5ff;font-size:10px;font-weight:900}.picker-class-hint{background:#f4f2ff;color:#6a53d9;margin:-3px 0 9px}.class-mode-hint{margin:0 0 10px;padding:9px 11px;border-radius:13px;background:#54101d;color:#ffd7de;font-size:10px;font-weight:900;border:1px solid rgba(255,111,135,.25)}
.signed-group{width:100%;display:grid;gap:7px}.signed-group+.signed-group{margin-top:8px;padding-top:9px;border-top:1px solid rgba(255,255,255,.1)}.signed-group-label{display:flex;align-items:center;gap:7px;color:#cbd4e9;font-size:9px;font-weight:900}.signed-group-label i{width:11px;height:11px;border-radius:50%;display:inline-block;box-shadow:0 0 0 2px rgba(255,255,255,.12)}.signed-group-bubbles{display:flex;flex-wrap:wrap;gap:8px}
.signed-zone .student-bubble.group-g1,.student-bubble.group-g1{background:linear-gradient(135deg,#377dff,#2352ca)!important;color:#fff}.signed-zone .student-bubble.group-g2,.student-bubble.group-g2{background:linear-gradient(135deg,#f1549a,#b62969)!important;color:#fff}.signed-zone .student-bubble.group-g3,.student-bubble.group-g3{background:linear-gradient(135deg,#35c993,#14835f)!important;color:#fff}.signed-zone .student-bubble.group-g4,.student-bubble.group-g4{background:linear-gradient(135deg,#ffad3f,#c96e0f)!important;color:#fff}.signed-zone .student-bubble.group-g5,.student-bubble.group-g5{background:linear-gradient(135deg,#35b8e9,#19759e)!important;color:#fff}.signed-zone .student-bubble.group-g6,.student-bubble.group-g6{background:linear-gradient(135deg,#9568ef,#6135b5)!important;color:#fff}.signed-zone .student-bubble.group-g7,.student-bubble.group-g7{background:linear-gradient(135deg,#ef4a52,#a8192d)!important;color:#fff}.signed-zone .student-bubble.group-g8,.student-bubble.group-g8{background:linear-gradient(135deg,#d8ad28,#8f6b08)!important;color:#fff}.student-bubble.group-g1 .tiny-class,.student-bubble.group-g2 .tiny-class,.student-bubble.group-g3 .tiny-class,.student-bubble.group-g4 .tiny-class,.student-bubble.group-g5 .tiny-class,.student-bubble.group-g6 .tiny-class,.student-bubble.group-g7 .tiny-class,.student-bubble.group-g8 .tiny-class{color:#fff;opacity:.82}.student-bubble.class-pick-selected{background:linear-gradient(135deg,#7d0018,#d61d3c)!important;color:#fff!important;outline:3px solid #ffd15c;outline-offset:2px;box-shadow:0 0 0 5px rgba(255,209,92,.13),0 8px 18px rgba(146,9,36,.34)!important}.student-bubble.class-pick-selected:after{content:"待切";font-size:8px;margin-left:6px;color:#ffe27d}
.group-bg-1{background:#377dff!important}.group-bg-2{background:#f1549a!important}.group-bg-3{background:#35c993!important}.group-bg-4{background:#ffad3f!important}.group-bg-5{background:#35b8e9!important}.group-bg-6{background:#9568ef!important}.group-bg-7{background:#ef4a52!important}.group-bg-8{background:#d8ad28!important}.calendar-class-dots{position:absolute;left:6px;right:6px;bottom:7px;display:flex;flex-wrap:wrap;gap:3px}.calendar-class-dot{width:8px;height:8px;border-radius:50%;box-shadow:0 0 0 1px rgba(255,255,255,.7),0 1px 3px rgba(29,34,63,.16)}.calendar-day-count{display:none!important}
@media(min-width:760px){.register-row{max-width:510px;margin:18px auto 0}.register-row .register-btn{max-width:none}.class-cut-btn{width:52px}.register-cut{width:60px}}
.record-group-dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:6px;vertical-align:1px;box-shadow:0 0 0 2px #fff,0 1px 4px rgba(25,30,55,.15)}
.class-cut-btn:disabled{cursor:not-allowed;opacity:.3;filter:grayscale(1);box-shadow:none;background:linear-gradient(145deg,#4a4c56,#5b5d67)}.class-cut-btn:disabled:before{opacity:.12;filter:none}.class-cut-btn:disabled span{text-shadow:none;color:#d5d7dd}.class-assign-btn.active:after{content:" · 进行中";font-size:8px;opacity:.78}
.calendar-class-count{position:absolute;left:50%;top:50%;transform:translate(-50%,-48%);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Rounded","Arial Rounded MT Bold",sans-serif;font-size:28px;line-height:1;font-weight:1000;letter-spacing:-.08em;color:#b91f35;text-shadow:0 2px 0 rgba(255,255,255,.55),0 4px 10px rgba(143,22,46,.16);font-variant-numeric:tabular-nums}.calendar-day.heat-4 .calendar-class-count,.calendar-day.heat-5 .calendar-class-count{color:#fff;text-shadow:0 2px 8px rgba(94,5,23,.3)}.calendar-day.holiday .calendar-class-count{transform:translate(-50%,-43%)}
.class-status-row.compact-note{justify-content:flex-end;margin-top:-8px}
/* 学生星球数据分析 */
.student-overview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:4px 0 12px}.student-overview-grid article{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:18px;padding:14px 10px;background:linear-gradient(145deg,#fff,#f7f7ff);box-shadow:0 8px 22px rgba(35,42,87,.055)}.student-overview-grid article:after{content:"";position:absolute;width:42px;height:42px;right:-12px;top:-12px;border-radius:50%;background:rgba(111,89,255,.08)}.student-overview-grid span{display:block;color:var(--muted);font-size:9px;font-weight:900}.student-overview-grid strong{display:block;margin-top:3px;font-size:25px;line-height:1;color:#2b3249;font-variant-numeric:tabular-nums}.student-overview-grid small{display:block;margin-top:5px;color:#9ba1b1;font-size:8px}.student-ranking-card{margin-top:10px}.student-podium{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-bottom:14px}.student-podium-item{position:relative;border:0;border-radius:17px;padding:12px 8px;background:#f7f8fc;text-align:center;color:#2f364b;min-width:0}.student-podium-item.rank-1{background:linear-gradient(145deg,#fff7d9,#fff1ba);box-shadow:inset 0 0 0 1px #f4dfa0}.student-podium-item.rank-2{background:linear-gradient(145deg,#f7f9fc,#edf1f6)}.student-podium-item.rank-3{background:linear-gradient(145deg,#fff3eb,#f8e3d5)}.podium-medal{display:block;font-size:21px;line-height:1;margin-bottom:5px}.student-podium-item strong{display:block;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.student-podium-item small{display:block;margin-top:3px;color:#878ea0;font-size:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.student-podium-item b{display:block;margin-top:7px;font-size:15px;color:#5e4dcb}.student-analysis-table{display:grid;gap:5px}.student-analysis-head,.student-analysis-row{display:grid;grid-template-columns:34px minmax(54px,.8fr) minmax(56px,.8fr) 42px minmax(74px,1.2fr);align-items:center;gap:7px}.student-analysis-head{padding:0 8px 5px;color:#9ba1af;font-size:8px;font-weight:900}.student-analysis-row{width:100%;border:0;border-radius:12px;padding:9px 8px;background:#f8f9fc;color:#343b50;text-align:left}.student-analysis-row:active{transform:scale(.985)}.analysis-rank{width:25px;height:25px;display:grid;place-items:center;border-radius:8px;background:#eceeff;color:#625bd1;font-size:10px;font-weight:1000}.student-analysis-row:nth-child(2) .analysis-rank{background:#fff0c4;color:#aa7000}.student-analysis-row:nth-child(3) .analysis-rank{background:#edf1f5;color:#6f7788}.student-analysis-row:nth-child(4) .analysis-rank{background:#f7e6db;color:#a36b45}.student-analysis-row strong{font-size:11px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.student-analysis-row small{font-size:8px;color:#8d94a5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.student-analysis-row>b{text-align:right;font-size:11px;color:#4c5368;font-variant-numeric:tabular-nums}.analysis-bar{height:8px;border-radius:999px;background:#e9ebf2;overflow:hidden}.analysis-bar i{display:block;height:100%;min-width:3px;border-radius:inherit;background:linear-gradient(90deg,#6d59ff,#ff5f91)}.student-search-row{margin-top:14px}@media(max-width:380px){.student-analysis-head,.student-analysis-row{grid-template-columns:30px minmax(50px,.8fr) minmax(48px,.65fr) 36px minmax(58px,1fr);gap:5px}.student-overview-grid strong{font-size:22px}}
.student-overview-grid.student-overview-compact{grid-template-columns:repeat(2,1fr)}.top-ten-only{max-height:none}.student-search-tip{padding:16px 12px;text-align:center;color:#969dac;font-size:10px}.student-search-results{display:grid;gap:10px;margin-bottom:18px}.student-detail-card{border:1px solid var(--line);border-radius:20px;background:linear-gradient(145deg,#fff,#fafaff);padding:14px;box-shadow:0 8px 24px rgba(34,40,82,.055)}.student-detail-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.student-detail-head strong{display:block;font-size:17px}.student-detail-head small{display:block;margin-top:3px;color:var(--muted);font-size:10px}.student-detail-manage{border:0;border-radius:999px;padding:8px 10px;background:#f0efff;color:#6651d4;font-size:9px;font-weight:900}.student-detail-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:7px;margin-top:12px}.student-detail-metrics>div{min-width:0;padding:11px 8px;border-radius:14px;background:#f6f7fb;text-align:center}.student-detail-metrics span{display:block;color:#8d94a5;font-size:8px;font-weight:900}.student-detail-metrics b{display:block;margin-top:4px;font-size:15px;color:#2f364c;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.student-detail-metrics small{display:block;margin-top:3px;color:#a1a7b4;font-size:7px}.student-cards.watch-grid,.watch-hint{display:none!important}@media(max-width:380px){.student-detail-metrics b{font-size:13px}.student-detail-metrics>div{padding:10px 5px}}
.student-period-panel{margin:0 0 12px;padding:11px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 7px 20px rgba(35,42,87,.045)}
@media(max-width:520px){.bottom-nav{padding-left:4px;padding-right:4px}.nav-tab{padding-left:0;padding-right:0}.nav-tab span{font-size:17px}.nav-tab b{font-size:8px}}
/* 课程结算 */
.settlement-card{overflow:hidden}.settlement-period-label{display:grid;gap:4px;color:#8a92a4;font-size:8px;font-weight:900}.settlement-period-label input{width:132px;padding:8px 9px;border-radius:11px;font-size:10px}.settlement-summary{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:10px}.settlement-summary span{display:flex;align-items:center;justify-content:space-between;padding:11px 12px;border-radius:14px;background:#f6f7fb;color:#7d8597;font-size:9px}.settlement-summary b{color:#30384d;font-size:15px}.settlement-toolbar{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:12px}.settlement-toolbar button{padding:11px 10px}.settlement-groups{display:grid;gap:10px}.settlement-class-group,.prepaid-class-group{border:1px solid #eceef4;border-radius:17px;overflow:hidden;background:#fbfbfd}.settlement-class-head{display:flex;align-items:center;justify-content:space-between;padding:9px 11px;background:#f1f3f8}.settlement-class-head strong{font-size:11px}.settlement-class-head span{font-size:8px;color:#8b93a4;font-weight:900}.settlement-class-list,.prepaid-class-list{display:grid}.settlement-row{display:grid!important;grid-template-columns:0 30px minmax(0,1fr) auto;align-items:center;gap:9px;margin:0!important;padding:11px!important;border-bottom:1px solid #eef0f5;background:#fff;overflow:hidden}.settlement-row:last-child{border-bottom:0}.settlement-row input{width:1px;height:1px;opacity:0;padding:0;border:0}.settlement-check{width:28px;height:28px;display:grid;place-items:center;border-radius:9px;background:#e7eaf1;color:transparent;font-weight:1000}.settlement-row input:checked+.settlement-check{background:#d7263d;color:#fff}.settlement-student strong{display:block;font-size:12px}.settlement-student small{display:block;margin-top:3px;color:#8e95a5;font-size:8px}.settlement-money{text-align:right}.settlement-money b{display:block;font-size:12px}.settlement-money small{display:block;margin-top:3px;color:#d24658;font-size:8px;font-weight:900}.settlement-row.settled{opacity:.58;background:#f7f8fa}.settlement-row.settled .settlement-check{background:#dff6ea;color:#16845e}.settlement-row.settled .settlement-money small{color:#16845e}.prepaid-topup-form{display:grid;gap:9px;padding:12px;border-radius:17px;background:#f7f8fc;margin-bottom:12px}.prepaid-topup-form label{display:grid;gap:6px;margin:0!important;font-size:9px;color:#697184}.prepaid-topup-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.prepaid-topup-grid-3{grid-template-columns:1fr 1fr 1fr}.prepaid-search-results{display:grid;gap:5px;max-height:210px;overflow:auto;padding:6px;border:1px solid #e3e6ef;border-radius:13px;background:#fff}.prepaid-search-results button{display:flex;align-items:center;justify-content:space-between;gap:10px;border:0;border-radius:10px;padding:9px 10px;background:#f7f8fc;text-align:left}.prepaid-search-results button strong{font-size:11px}.prepaid-search-results button small{color:#8c94a5;font-size:8px}.prepaid-selected{display:flex;align-items:center;justify-content:space-between;gap:10px;border-radius:13px;padding:10px 11px;background:#eeeafe;color:#4f43b9}.prepaid-selected strong{font-size:11px}.prepaid-selected small{font-size:8px;color:#7d75bd}.prepaid-selected button{border:0;background:transparent;color:#7b72bb;font-size:14px}.prepaid-balance-row div small{white-space:normal}.prepaid-balance-list{display:grid;gap:9px}.prepaid-balance-row{width:100%;display:flex;align-items:center;justify-content:space-between;border:0;border-bottom:1px solid #eef0f5;padding:11px;background:#fff;text-align:left}.prepaid-balance-row:last-child{border-bottom:0}.prepaid-balance-row strong{display:block;font-size:12px}.prepaid-balance-row div small{display:block;margin-top:3px;color:#8d95a5;font-size:8px}.prepaid-balance-row>b{font-size:19px;color:#6250d2}.prepaid-balance-row>b small{font-size:8px;color:#8d95a5}.settlement-reminder-sheet{max-height:88dvh}.settlement-reminder-sheet .form-tip{margin-top:-3px}.reminder-groups{max-height:56dvh;overflow:auto}.settlement-reminder-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;position:sticky;bottom:-1px;background:#fff;padding-top:11px}.settlement-reminder-actions button{width:100%}
@media(max-width:420px){.settlement-period-label input{width:118px}.settlement-row{grid-template-columns:0 28px minmax(0,1fr) auto;gap:7px;padding:10px 8px!important}.settlement-money b{font-size:11px}.prepaid-topup-grid{gap:6px}}@media(max-width:520px){.prepaid-topup-grid-3{grid-template-columns:1fr 1fr}.prepaid-topup-grid-3 label:first-child{grid-column:1/-1}}

.student-period-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.student-period-tabs button{border:0;border-radius:12px;padding:9px 6px;background:#f2f3f8;color:#747b8d;font-size:10px;font-weight:900}.student-period-tabs button.active{background:linear-gradient(135deg,#6756ef,#8569ff);color:#fff;box-shadow:0 5px 14px rgba(100,82,224,.2)}.student-period-options{display:flex;align-items:end;gap:8px;margin-top:9px}.student-period-options label{flex:1;color:#858c9d;font-size:8px;font-weight:900}.student-period-options select,.student-period-options input{display:block;width:100%;margin-top:4px;border:1px solid #e0e2ea;border-radius:11px;background:#f8f9fc;padding:9px 8px;color:#333b50;font-size:11px}.student-month-range>span{padding-bottom:10px;color:#9ba1ae;font-size:9px}.student-period-caption{display:block;margin-top:8px;color:#7c8496;font-size:9px;text-align:right}.student-detail-metrics.loading{opacity:.58}.student-detail-metrics.loading b{animation:studentStatPulse .8s ease-in-out infinite alternate}@keyframes studentStatPulse{from{opacity:.4}to{opacity:1}}@media(max-width:380px){.student-period-options{gap:5px}.student-period-options select,.student-period-options input{padding:8px 5px;font-size:10px}}

/* 手动补缴登记 */
.supplement-card{margin-bottom:12px}
.supplement-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.supplement-card .prepaid-topup-form{margin-bottom:14px}
.supplement-history-head{margin:10px 0 7px}
.supplement-history-list{display:grid;gap:6px;max-height:350px;overflow:auto}
.supplement-record{display:flex;align-items:center;justify-content:space-between;gap:10px;border-radius:13px;background:#f7f8fc;padding:10px 12px}
.supplement-record strong{display:block;color:#384058;font-size:12px}
.supplement-record small{display:block;margin-top:4px;font-size:9px;color:#8b93a3}
.supplement-record b{color:#6250d2;font-size:14px;white-space:nowrap}
.supplement-card input{min-width:0}
@media(max-width:360px){.supplement-grid{gap:5px}.supplement-record{padding:9px 7px}.supplement-record small{font-size:8px}}

/* 月结已收明细：分笔可编辑、可撤销，不影响学生资料 */
.payment-row-actions{display:flex;align-items:center;justify-content:flex-end;gap:5px;flex-wrap:wrap}
.payment-row-actions b{min-width:62px;text-align:right}
.payment-edit-small,.payment-delete-small,.settlement-edit-paid{border:0;border-radius:9px;padding:6px 8px;font-size:9px;font-weight:900;white-space:nowrap;cursor:pointer}
.payment-edit-small,.settlement-edit-paid{background:#eeeafd;color:#5e4dc1}
.payment-delete-small{background:#ffeaee;color:#c7384e}
.settlement-edit-paid{display:block;margin-top:5px;margin-left:auto;padding:4px 6px;font-size:8px;line-height:1.4}
.settlement-row.settled .settlement-edit-paid{opacity:1}
.payment-edit-actions{display:grid;grid-template-columns:1fr 1.35fr;gap:10px;margin-top:14px}
.payment-edit-actions button{width:100%}
#settlementPaidList{max-height:60dvh;overflow:auto}
@media(max-width:420px){.supplement-record{gap:6px}.payment-row-actions{gap:4px}.payment-row-actions b{width:100%;min-width:0}.payment-edit-small,.payment-delete-small{padding:5px 7px}}

.settlement-summary{grid-template-columns:repeat(3,minmax(0,1fr))}
.settlement-summary span{flex-direction:column;align-items:flex-start;justify-content:center;gap:4px;padding:9px;min-width:0}
.settlement-summary b{font-size:13px;max-width:100%;overflow:hidden;text-overflow:ellipsis}
.settlement-row.settled{opacity:1}

/* 签到区长按拖拽归班：触屏/鼠标一致，仅允许放入已存在的班级 */
.signed-zone.signed-drag-ready .signed-group .student-bubble{touch-action:none;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;cursor:grab}
.signed-zone.signed-drag-ready .signed-group .student-bubble:active{transform:none}
.signed-group{border-radius:14px;transition:background .15s ease,box-shadow .15s ease;min-height:44px}
.signed-zone.signed-is-dragging .signed-group{outline:2px dashed rgba(255,255,255,.24);outline-offset:-2px}
.signed-zone.signed-is-dragging .signed-group.drop-target{background:rgba(58,208,144,.18);outline-color:#58e1aa;box-shadow:0 0 0 3px rgba(85,225,172,.16) inset}
.signed-zone .student-bubble.signed-drag-source{opacity:.35}
.student-bubble.signed-drag-ghost,.signed-drag-ghost{position:fixed!important;z-index:10001;pointer-events:none!important;transform:translate(-50%,-58%) scale(1.13)!important;box-shadow:0 14px 30px rgba(0,0,0,.3)!important;filter:drop-shadow(0 0 5px rgba(255,255,255,.28));white-space:nowrap;opacity:.95;touch-action:none}

/* 月结算：学生姓名即时检索 */
.settlement-student-search{display:grid;gap:6px;margin:1px 0 13px}
.settlement-student-search>label{font-size:10px;font-weight:900;color:#626b82}
.settlement-search-field{display:flex;align-items:center;gap:8px;border:1px solid #e4e5ed;border-radius:13px;background:#f8f9fd;padding:0 10px;min-height:43px;transition:border-color .15s,box-shadow .15s}
.settlement-search-field:focus-within{border-color:#8575ed;box-shadow:0 0 0 3px rgba(121,107,231,.1)}
.settlement-search-field>span{color:#8987c2;font-size:22px;line-height:1;font-weight:900}
.settlement-search-field input{flex:1;min-width:0;width:100%;border:0;outline:0;box-shadow:none;background:transparent;padding:12px 0;color:#31374e;font-size:12px}
.settlement-search-field input:focus{outline:0;box-shadow:none}
.settlement-search-field button{border:0;border-radius:50%;width:25px;height:25px;flex:0 0 25px;display:grid;place-items:center;background:#e5e6ef;color:#6b7186;font-size:17px;font-weight:900}
.settlement-student-search>small{color:#939aac;font-size:9px;line-height:1.5}

/* 学生分析：搜索置顶 + 可点学生的签到/缴费明细 */
#studentsView>.student-search-row{margin:0 0 8px}
#studentsView>.student-search-tip{margin-bottom:10px}
#studentsView>.student-search-results:not(:empty){margin:10px 0 13px}
.student-detail-openable{cursor:pointer;transition:box-shadow .16s,transform .16s}
.student-detail-openable:focus-visible{outline:2px solid #7d68e8;outline-offset:3px}
.student-detail-openable:active{transform:scale(.993)}
.student-detail-open-hint{text-align:right;color:#6957d9;font-size:10px;font-weight:900;padding-top:7px}
.student-records-sheet{max-height:90dvh;overflow-y:auto}
.student-records-subtitle{display:block;margin-top:5px;color:#8e97a9;font-size:10px;font-weight:700}
.student-records-summary{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:7px;margin-bottom:14px}
.student-records-summary article{min-width:0;border-radius:14px;background:#f4f5fa;padding:10px 7px;display:grid;gap:4px}
.student-records-summary article>span{color:#7f879b;font-size:9px;font-weight:900}
.student-records-summary article>strong{color:#354056;font-size:12px;overflow-wrap:anywhere}
.student-records-summary article>small{font-size:8px;color:#848ca0}
.student-records-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:4px;background:#f2f3f9;border-radius:13px;margin-bottom:12px}
.student-records-tabs button{border:0;border-radius:10px;background:transparent;padding:10px;color:#7f8498;font-size:12px;font-weight:1000}
.student-records-tabs button.active{background:#fff;color:#614acb;box-shadow:0 3px 10px rgba(36,38,80,.07)}
.student-records-list{display:grid;gap:7px;max-height:58dvh;overflow-y:auto;padding-bottom:7px}
.student-record-group-title{font-size:11px;color:#7c6da1;margin:11px 2px 3px;font-weight:900}
.student-record-item{display:flex;align-items:center;justify-content:space-between;gap:8px;border-radius:13px;background:#f7f8fc;padding:11px}
.student-record-item>div{min-width:0}
.student-record-item strong{display:block;color:#353e53;font-size:12px}
.student-record-item small{display:block;margin-top:5px;color:#828a9a;font-size:10px;line-height:1.6}
.student-record-status,.student-record-money{flex-shrink:0;font-size:10px;font-weight:1000;color:#198765;white-space:nowrap}
.student-record-money{color:#5b4acd;font-size:13px}
@media(max-width:420px){.student-records-summary{gap:5px}.student-records-summary article{padding:9px 5px}.student-records-summary article>strong{font-size:11px}}

/* 设置页底部：使用说明入口与可折叠帮助窗口 */
.usage-help-entry-card{padding:8px 10px;margin-top:16px;margin-bottom:12px}
.usage-help-launch{display:flex;align-items:center;gap:12px;width:100%;padding:12px 8px;border:0;background:transparent;text-align:left;border-radius:17px;color:#313a56;min-height:67px}
.usage-help-launch:focus-visible{outline:3px solid #a99aff;outline-offset:2px}
.usage-help-launch:active{background:#f3f0ff}
.usage-help-launch-icon{display:grid;place-items:center;flex:0 0 42px;height:42px;background:linear-gradient(135deg,#eeeafe,#e6f2ff);border-radius:13px;color:#7257d9;font-size:23px;font-weight:1000}
.usage-help-launch-text{flex:1;display:grid;gap:5px;min-width:0}
.usage-help-launch-text strong{font-size:15px;font-weight:1000}
.usage-help-launch-text small{font-size:10px;line-height:1.5;color:#848da1}
.usage-help-launch-arrow{font-size:28px;font-weight:700;color:#a0a5b7;line-height:1}
.usage-help-dialog{position:fixed;inset:0;width:min(620px,calc(100vw - 28px));max-width:none;max-height:min(84dvh,820px);margin:auto;border:0;padding:0;background:transparent;overflow:visible}
.usage-help-dialog::backdrop{background:rgba(15,22,40,.54);backdrop-filter:blur(3px)}
.usage-help-panel{display:flex;flex-direction:column;overflow:hidden;max-height:min(84dvh,820px);border-radius:24px;background:#fff;box-shadow:0 18px 65px rgba(18,26,57,.28)}
.usage-help-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:21px 19px 14px;border-bottom:1px solid #eff0f5;flex:0 0 auto;background:#fff}
.usage-help-header .eyebrow{margin:0;font-size:9px;color:#8065d6;font-weight:1000}
.usage-help-header h2{margin:5px 0;font-size:20px;color:#303954;letter-spacing:-.02em}
.usage-help-header small{font-size:10px;color:#969dad}
.usage-help-header .close-btn{flex:0 0 36px;width:36px;height:36px}
.usage-help-body{overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;flex:1;min-height:0;padding:14px 17px 18px}
.usage-help-intro{background:#f4f2ff;border-radius:14px;margin:0 0 12px;padding:12px 13px;font-size:11px;line-height:1.7;color:#6b668d}
.usage-help-intro strong{color:#634adb}
.usage-help-section{margin-bottom:8px;border:1px solid #eceef5;border-radius:15px;overflow:hidden;background:#fff}
.usage-help-section summary{list-style:none;display:flex;align-items:center;gap:9px;padding:13px;min-height:50px;cursor:pointer;color:#303953;font-size:13px;line-height:1.5}
.usage-help-section summary::-webkit-details-marker{display:none}
.usage-help-section summary strong{flex:1}
.usage-help-section summary:after{content:"⌄";font-size:19px;color:#a3a6b6;transform:rotate(-90deg);transition:transform .15s}
.usage-help-section[open] summary:after{transform:rotate(0deg)}
.usage-help-section[open] summary{border-bottom:1px solid #f0f0f5;background:#fbfaff}
.usage-help-section summary:focus-visible{outline:2px solid #a38cf9;outline-offset:-3px}
.usage-help-section-icon{flex:0 0 27px;width:27px;height:27px;display:grid;place-items:center;border-radius:9px;background:#eeeaff;color:#6a56d5;font-size:14px;font-weight:900}
.usage-help-section-content{padding:12px 14px 14px;font-size:11px;color:#4f596d;line-height:1.85}
.usage-help-section-content p{margin:0 0 9px}
.usage-help-section-content ol{margin:4px 0 11px;padding-left:20px}
.usage-help-section-content li{padding-left:1px;margin:0 0 7px}
.usage-help-section-content li::marker{color:#785dde;font-weight:900}
.usage-help-section-content strong{color:#4436a4}
.usage-help-section-content .usage-help-tip{padding:10px 11px;border-radius:11px;background:#f6f7fb;color:#7e879b;font-size:10px;line-height:1.7;margin:8px 0 0}
.usage-help-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:11px 17px calc(12px + env(safe-area-inset-bottom));border-top:1px solid #eff0f5;flex:0 0 auto;background:#fff}
.usage-help-footer span{font-size:9px;color:#9199ab;line-height:1.6}
.usage-help-footer .primary{white-space:nowrap;font-size:11px;padding:10px 16px;border-radius:12px}
@media(max-width:480px){.usage-help-dialog{width:calc(100vw - 20px);max-height:84dvh}.usage-help-panel{max-height:84dvh;border-radius:21px}.usage-help-header{padding:16px 14px 12px}.usage-help-header h2{font-size:18px}.usage-help-body{padding:12px 11px 15px}.usage-help-section summary{padding:12px 10px;font-size:12px}.usage-help-section-content{padding:10px 12px 13px}.usage-help-footer{padding-left:12px;padding-right:12px}}

/* v46: 结算以最近实际收款日期排序；历史班级是签到当日日期+班次，不是年级 */
.settlement-history-filter{display:grid;gap:6px;margin:0 0 12px}
.settlement-history-filter label{font-size:10px;font-weight:900;color:#626b82}
.settlement-history-filter select{width:100%;min-height:43px;padding:10px 12px;border:1px solid #e4e5ed;border-radius:13px;background:#f8f9fd;color:#31374e;font-size:12px;outline:none}
.settlement-history-filter select:focus{border-color:#8575ed;box-shadow:0 0 0 3px rgba(121,107,231,.1)}
.settlement-history-filter small{font-size:9px;line-height:1.5;color:#939aac}
.settlement-list-flat{gap:0;border:1px solid #e9ecf3;border-radius:15px;overflow:hidden}
.settlement-flat-list{width:100%;display:grid;gap:0}
.settlement-paid-date{margin-top:5px!important;font-size:9px!important;color:#6a7d98!important}
.prepaid-flat-list{width:100%;display:grid;gap:0;border:1px solid #e9ecf3;border-radius:15px;overflow:hidden}

/* v48 跨月份未结清单与预充值欠次 */
.outstanding-card{margin-bottom:12px}
.outstanding-stats{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:10px 0;padding:10px 11px;background:#f5f6fb;border-radius:12px;font-size:10px;color:#667187}
.outstanding-stats strong{color:#4b3aa4;font-size:13px}
.outstanding-list{display:grid;gap:8px;max-height:460px;overflow-y:auto;margin:9px 0 12px}
.outstanding-row{display:flex;align-items:center;gap:8px;justify-content:space-between;border:1px solid #e7e9f2;border-radius:14px;background:#fafbff;padding:11px}
.outstanding-row-prepaid{border-color:#f9dfaa;background:#fffaf0}
.outstanding-row-main{min-width:0;flex:1;display:grid;gap:6px}
.outstanding-name{display:flex;flex-wrap:wrap;align-items:center;gap:7px}
.outstanding-name strong{font-size:13px;color:#394057;font-weight:1000}
.outstanding-tag{display:inline-flex;border-radius:100px;font-size:9px;font-weight:900;padding:4px 7px}
.outstanding-tag.monthly{background:#e9e8ff;color:#6652d2}
.outstanding-tag.prepaid{background:#ffe2ad;color:#955c0b}
.outstanding-values{font-size:10px;color:#738099;display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.outstanding-values b{font-size:14px;color:#bc425c}
.outstanding-row-prepaid .outstanding-values b{color:#bb770c}
.outstanding-values small{font-size:9px;color:#7a83a1}
.outstanding-periods{font-size:9px;color:#7f879d;line-height:1.65}
.outstanding-need-rate{font-size:9px;color:#cf6723;font-weight:800}
.outstanding-action{flex:0 0 auto;font-size:10px;border-radius:11px;padding:10px 12px}
.outstanding-row-prepaid .outstanding-action{background:#cb8a16;color:white}
.reminder-outstanding-list{max-height:53dvh;margin-top:10px}
.outstanding-payment-details{background:#f4f1ff;color:#5b4b91;padding:11px;border-radius:11px;line-height:1.6;font-size:11px;margin-bottom:11px}
.outstanding-confirm-actions{display:grid;grid-template-columns:1fr 1.3fr;gap:9px;margin-top:15px}
.outstanding-confirm-actions button{min-height:40px;border-radius:12px}
.prepaid-confirm-details{max-height:58dvh;overflow:auto;line-height:1.7}
.prepaid-confirm-details>p{font-size:12px;margin:7px 0 10px}
.prepaid-preview-grid{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:13px;background:#f7f8fc;border-radius:13px;font-size:11px}
.prepaid-preview-grid span{color:#707a91}
.prepaid-preview-grid b{text-align:right;color:#343f59}
.prepaid-preview-grid .debt{color:#cf5d34}
.prepaid-preview-grid .balance{font-size:15px;color:#246f50}
.prepaid-history-review{margin-top:10px;background:#f8f8fd;border-radius:10px;padding:9px;font-size:10px;color:#666b82}
.prepaid-history-review ul{max-height:130px;overflow:auto;margin:6px 0 0;padding-left:22px}
.prepaid-warning{padding:9px 11px;border-radius:10px;background:#fff0db;color:#9d5a12;font-size:10px}
@media(max-width:380px){.outstanding-row{padding:9px 8px}.outstanding-action{padding:9px 7px}.outstanding-values b{font-size:12px}.outstanding-periods{font-size:8px}}


/* v55：常用名单默认折叠，保留汇总、筛选与点击展开能力 */
.roster-toggle {
  width:100%;display:flex;align-items:center;justify-content:center;gap:10px;
  border:1px solid #e6e6f1;border-radius:13px;padding:12px 14px;
  margin:12px 0 10px;background:#f8f8fd;color:#6553bd;
  font-size:12px;font-weight:900;cursor:pointer;min-height:44px;
}
.roster-toggle:focus-visible {outline:3px solid #b5a4f2;outline-offset:2px}
.roster-toggle:active {background:#efedff}
.roster-arrow {font-size:19px;line-height:1;transition:transform .18s;color:#806bce}
.roster-toggle[aria-expanded="true"] .roster-arrow {transform:rotate(180deg)}
.roster-collapsible {min-width:0}
.roster-collapsible.hidden,.outstanding-list.hidden,.day-record-list.hidden {display:none!important}
.prepaid-monthly-row {
  background:#fffaed!important;border-left:3px solid #e9a849!important;
  color:#594a30;align-items:center;
}
.prepaid-monthly-icon {
  background:#fbe9c2;color:#ad750c;border-radius:10px;
  width:29px;height:29px;flex:0 0 29px;display:grid;place-items:center;
  font-size:16px;font-weight:900;
}
.prepaid-monthly-name {display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.prepaid-monthly-tag {
  display:inline-flex;background:#ffdf9b;color:#815200;
  border-radius:40px;padding:3px 8px;font-size:9px;font-weight:900;white-space:nowrap;
}
.prepaid-monthly-balance b {color:#9a670a;font-size:14px}
.prepaid-monthly-row .settlement-student {min-width:0}
.prepaid-topup-calc-hint {display:block;font-size:10px;line-height:1.65;color:#52795a;margin:5px 0 11px}
.prepaid-topup-calc-hint.warning {color:#bb582f;font-weight:800}
@media(max-width:380px) {
  .prepaid-monthly-icon {width:23px;height:23px;flex-basis:23px}
  .prepaid-monthly-row {padding:8px 6px}
  .prepaid-monthly-name strong {font-size:11px}
}

/* v56: 预支付卡片有三个子元素，其他结算行有四个；必须使用三列，不然手机文字挤成竖排。 */
.prepaid-monthly-row{grid-template-columns:30px minmax(0,1fr) auto!important;gap:10px!important;align-items:center}
.prepaid-monthly-row .settlement-student{min-width:0;overflow-wrap:break-word}
.prepaid-monthly-row .settlement-student small{line-height:1.5;white-space:normal}
.prepaid-monthly-row .prepaid-monthly-balance{min-width:75px;white-space:nowrap;align-self:center}
@media(max-width:420px){
  .prepaid-monthly-row{gap:7px!important;padding:10px 9px!important}
  .prepaid-monthly-icon{width:27px;height:27px;flex-basis:27px}
  .prepaid-monthly-row .prepaid-monthly-name{gap:5px}
  .prepaid-monthly-row .prepaid-monthly-name strong{font-size:12px}
  .prepaid-monthly-row .settlement-student small{font-size:9px;line-height:1.55}
  .prepaid-monthly-row .prepaid-monthly-balance b{font-size:13px}
}

/* v56 重复姓名与同月已收二次确认，不允许小屏溢出 */
.duplicate-payment-details{max-height:50dvh;overflow:auto;overflow-wrap:anywhere;font-size:12px;color:#4b556a;line-height:1.7}
.duplicate-payment-details p{margin:8px 0}
.duplicate-payment-details ul{margin:7px 0 9px;padding-left:22px}
.duplicate-payment-details li{padding:3px 0;border-bottom:1px solid #eef0f5}
.duplicate-payment-details .duplicate-warning{background:#fff1e1;color:#8e5614;padding:9px 11px;border-radius:11px;font-weight:750}
.duplicate-payment-sheet .outstanding-confirm-actions button{font-size:11px;line-height:1.45;white-space:normal}

/* v60：日历修改当天安排的增减学生；预充值余额人工调整 */
.calendar-student-editor{display:grid;gap:8px;margin-top:12px;padding:12px;border:1px solid #e8e9f2;border-radius:14px;background:#fafbff}
.calendar-student-editor>label{font-size:12px;font-weight:900;color:#414a63}
.calendar-add-row{display:flex;gap:8px;align-items:center;min-width:0}
.calendar-add-row>input{flex:1;min-width:0;font-size:12px;min-height:40px}
.calendar-add-group{flex:0 0 95px;display:grid;gap:3px;font-size:10px;color:#687188}
.calendar-add-group input{width:100%;min-height:38px}
.calendar-student-editor>small{font-size:10px;color:#8991a5;line-height:1.5}
.calendar-student-matches{display:grid;gap:5px;max-height:190px;overflow:auto}
.calendar-student-matches>small{font-size:10px;color:#8a92a3}
.calendar-student-pick{display:flex;gap:8px;justify-content:space-between;align-items:center;text-align:left;padding:9px 10px;border:1px solid #e6e8f2;border-radius:10px;background:#fff;color:#424963}
.calendar-student-pick strong{font-size:11px}.calendar-student-pick small{font-size:10px;color:#8b93a4}
.calendar-student-pick:disabled{opacity:.58;background:#f1f3f8}
#calendarAttendanceList .day-record-row{position:relative;padding-right:64px}
.calendar-attendance-remove{position:absolute;right:7px;top:50%;transform:translateY(-50%);border:1px solid #ffd3d0;background:#fff1ef;color:#aa4c44;border-radius:9px;padding:7px 8px;font-size:10px;font-weight:800}
.prepaid-balance-manage-row{flex-wrap:wrap;gap:9px}
.prepaid-balance-manage-row>div:first-child{flex:1;min-width:130px}
.prepaid-balance-manage-row>b{flex:0 0 auto}
.prepaid-manage-actions{flex:0 0 100%;display:flex;gap:7px;justify-content:flex-end}
.prepaid-manage-actions button{font-size:10px;padding:8px 11px;border-radius:10px;min-height:35px}
@media(max-width:420px){.calendar-add-group{flex-basis:75px}.calendar-student-pick{flex-wrap:wrap}.calendar-student-pick small{flex:1 0 100%}}
/* 签到撤回保护锁，位于分班按钮左侧 */
.attendance-lock-btn{display:grid;place-items:center;width:40px;height:40px;flex-shrink:0;border-radius:12px;border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.14);font-size:22px;cursor:pointer;touch-action:manipulation}
.attendance-lock-btn.unlocked{background:#fff1d6;border-color:#ffbc53;box-shadow:0 0 0 2px rgba(255,188,83,.22)}
.attendance-lock-btn:focus-visible{outline:3px solid #ffc76b;outline-offset:2px}

.prepaid-topup-calc-hint.warning{color:#bf192b;font-weight:900;background:#fff0f0;border:1px solid #e65d67;border-radius:10px;padding:9px}
.prepaid-noninteger-warning{color:#bf192b;background:#fff0f0;border:2px solid #dc3b52;border-radius:12px;padding:12px;font-size:13px;font-weight:900}

/* 历史欠费红色，最近上个月维持原来的灰色 */
.outstanding-periods .outstanding-overdue-month{color:#cf273f;font-weight:900}
.outstanding-periods .outstanding-normal-month{color:inherit}
.student-record-group-title{display:flex;align-items:center;justify-content:space-between;gap:10px}
.student-record-month-badge{display:inline-flex;align-items:center;justify-content:center;min-width:44px;padding:5px 10px;border-radius:7px;font-size:11px;font-weight:900;letter-spacing:.02em;white-space:nowrap}
.student-record-month-badge.paid{background:#e5f9ee;color:#158354;border:1px solid #b5e7ca}
.student-record-month-badge.unpaid{background:#fff0f1;color:#c62b40;border:1px solid #f3c1c8}
.student-record-month-badge.prepaid{background:#eeebff;color:#6950bf;border:1px solid #d8cffd}

.student-record-year{min-width:0;border-radius:13px;border:1px solid #e8e5f7;background:#fff;padding:7px 8px 10px}
.student-record-year-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;cursor:pointer;list-style:none;border-radius:9px;padding:10px 9px;color:#5747a9;font-size:14px;font-weight:900;background:#f2efff}
.student-record-year-heading::-webkit-details-marker{display:none}
.student-record-year-heading small{font-size:10px;font-weight:700;color:#8c80bd}
.student-record-year-heading::after{content:"⌄";font-size:18px;transition:transform .2s}
.student-record-year:not([open]) .student-record-year-heading::after{transform:rotate(-90deg)}
.student-record-year .student-record-group-title{margin-top:14px}

.student-record-month-count{display:inline-block;margin-left:5px;color:#6455aa;font-size:11px;font-weight:900;background:#f0edff;border-radius:7px;padding:3px 7px;white-space:nowrap}

/* 结算主操作：粉色相框描边与轻柔聚焦 */
#paymentRegistrationCard{border:3px solid #f3a3c9!important;box-shadow:0 0 0 5px rgba(252,206,229,.35),0 12px 34px rgba(213,91,152,.10);scroll-margin-top:20px;position:relative}
#paymentRegistrationCard:focus{outline:none}
#paymentRegistrationCard .section-head .ai-badge{background:#ffe4f1;color:#ba3c80}
@media(prefers-reduced-motion:no-preference){#paymentRegistrationCard{transition:box-shadow .25s ease,border-color .25s ease}#paymentRegistrationCard:focus-within{border-color:#ec78b3!important;box-shadow:0 0 0 6px rgba(251,177,215,.35),0 14px 38px rgba(213,91,152,.14)}}

.student-record-month-payment{display:inline-flex;gap:5px;align-items:center;justify-content:flex-end;flex-wrap:wrap}
.student-record-group-title .student-record-month-badge{font-size:10px;padding:5px 8px;min-width:0}
@media(max-width:420px){.student-record-group-title{align-items:flex-start;gap:7px}.student-record-group-title>span:first-child{min-width:0}.student-record-group-title .student-record-month-badge{font-size:9px}}

/* 智能推荐：按历史班级及年级成组，同组学生同色，避免姓名随机色混排 */
#recommendedBubbles{display:grid;gap:11px}
.recommend-class-group{border:1px solid #e7e7f2;border-radius:16px;padding:11px 12px;background:#f8f8fd;min-width:0}
.recommend-class-heading{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:9px;color:#434d69;font-size:12px}
.recommend-class-heading span{font-size:10px;opacity:.65;font-weight:800}
.recommend-class-members{display:flex;flex-wrap:wrap;gap:8px}
.recommend-class-members .student-bubble{font-size:13px;padding:9px 13px}

/* 缴费登记：按月勾选欠费，自动计算一次性实收 */
.supplement-unpaid-months{border:1px solid #f0c2d9;border-radius:15px;background:#fff8fc;padding:12px;display:grid;gap:9px}
.supplement-unpaid-months.hidden{display:none}
.supplement-unpaid-months h4{margin:0;color:#ac477b;font-size:13px}
.supplement-unpaid-months label{display:flex!important;align-items:center;justify-content:space-between;gap:10px;background:#fff;border:1px solid #f1dbe7;border-radius:10px;padding:10px;font-size:12px;color:#46475a;cursor:pointer}
.supplement-unpaid-months label span{display:flex;align-items:center;gap:9px}
.supplement-unpaid-months input[type=checkbox]{width:19px;height:19px;accent-color:#e36a9f;flex:none}
.supplement-unpaid-months .supplement-unpaid-total{display:flex;justify-content:space-between;align-items:center;font-weight:900;color:#ba326d;padding:4px}
.supplement-unpaid-months .supplement-unpaid-hint{font-size:11px;color:#8d7890;line-height:1.6}

.student-record-month-badge.actionable{cursor:pointer;box-shadow:0 1px 4px rgba(195,44,65,.12);text-decoration:underline;text-underline-offset:3px}
.student-record-month-badge.actionable:focus-visible{outline:3px solid #f0a0b0;outline-offset:3px}
.student-record-attendance-prepaid,.student-record-remaining{display:inline-flex;align-self:center;white-space:nowrap;padding:4px 7px;border-radius:7px;font-size:10px;font-weight:800;color:#198257;background:#e5f8ee;margin-left:5px}
.student-record-remaining{color:#6953aa;background:#f0edff}
.student-record-item{flex-wrap:wrap;gap:6px}

/* 已缴历史签到：只给日期加删除线，保留时间与班级的正常可读性 */
.student-record-item.student-record-attendance-settled strong{
  text-decoration:line-through;
  text-decoration-thickness:1.5px;
  text-decoration-color:#9a8fa9;
  color:#9295a5;
}