:root{--ink:#2f3b32;--muted:#716f62;--paper:#f3f0e8;--surface:#fffdf8;--line:#d8d1c1;--teal:#68775d;--coral:#b75f48;--yellow:#c69a43;--nav:#34483b;--soft-green:#e8ece2;--soft-clay:#f3e4dc;--radius:8px;font-family:"The Peak Font 隨峰體 Beta","Noto Sans TC","Microsoft JhengHei",sans-serif;color:var(--ink);background:var(--paper);letter-spacing:0}
[hidden]{display:none!important}
*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--paper)}button,input,select,textarea{font:inherit}button{cursor:pointer}.topbar{height:68px;position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;padding:8px max(16px,env(safe-area-inset-left));background:var(--surface);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px}.brand img{width:46px;height:46px;border-radius:8px}.brand div{display:grid}.brand strong,.section-head h1,.section-head h2,.title-row h2,dialog h2{font-family:"Noto Serif TC","PMingLiU",serif;font-weight:700}.brand strong{font-size:19px;color:var(--nav)}.brand span{font-size:12px;color:var(--muted)}main{max-width:920px;margin:auto;padding:18px 16px 100px}.bottom-nav{position:fixed;z-index:20;bottom:0;left:0;right:0;height:68px;padding-bottom:env(safe-area-inset-bottom);display:flex;justify-content:center;background:var(--nav);box-shadow:0 -3px 14px #34483b26}.bottom-nav button{width:min(18%,150px);border:0;background:none;color:#c8d0c2;display:grid;place-content:center;gap:3px;font-size:11px}.bottom-nav button span{font-size:20px}.bottom-nav button.active{color:#fffdf8;background:#ffffff10}.section-head{display:flex;align-items:center;justify-content:space-between;margin:6px 0 12px}.section-head h1,.section-head h2{margin:0}.section-head h1{font-size:25px}.section-head h2{font-size:18px}.toolbar{display:flex;gap:8px;flex-wrap:wrap}.btn,.icon-btn{border:1px solid var(--line);background:var(--surface);color:var(--ink);min-height:40px;padding:8px 13px;border-radius:6px}.btn:hover,.icon-btn:hover{border-color:#a9ad9b;background:#faf6ed}.icon-btn{min-width:40px;padding:4px;font-size:22px}.btn.primary{background:var(--teal);border-color:var(--teal);color:white}.btn.danger{background:var(--coral);border-color:var(--coral);color:white}.btn.full{width:100%;min-height:52px;font-weight:700}.btn:disabled{opacity:.45;cursor:not-allowed}.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:12px;box-shadow:0 3px 12px #4c493b0a}.lesson-primary{border-left:5px solid var(--teal)}.lesson-primary.running{border-left-color:var(--coral)}.eyebrow{font-size:12px;color:var(--teal);font-weight:700}.title-row{display:flex;justify-content:space-between;gap:12px;align-items:start}.title-row h2{font-size:22px;margin:4px 0}.pill{background:var(--soft-green);color:#526248;font-size:12px;font-weight:700;padding:5px 8px;border-radius:20px;white-space:nowrap}.meta{color:var(--muted);font-size:14px}.info-list{display:grid;gap:9px;margin:15px 0;padding-top:13px;border-top:1px solid var(--line)}.info-list div{display:flex;gap:9px}.time-record{display:flex;gap:12px;justify-content:space-between;background:var(--soft-green);padding:10px;margin:10px 0;border-radius:6px;font-size:13px}.empty{text-align:center;padding:45px 16px;color:var(--muted)}.calendar-head{display:flex;justify-content:space-between;align-items:center}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:3px;margin:12px 0}.day-label{text-align:center;color:var(--muted);font-size:12px;padding:7px}.day{aspect-ratio:1;border:1px solid transparent;background:transparent;border-radius:6px;position:relative;color:var(--ink)}.day:hover{background:var(--soft-green)}.day.other{opacity:.35}.day.today{border-color:var(--teal)}.day.selected{background:var(--nav);color:white}.day.has::after{content:"";width:5px;height:5px;border-radius:50%;background:var(--coral);position:absolute;bottom:4px;left:calc(50% - 2px)}.list{display:grid;gap:8px}.list-row{display:flex;justify-content:space-between;align-items:center;gap:10px;background:var(--surface);border:1px solid var(--line);padding:12px;border-radius:6px}.list-row:hover{border-color:#bcb4a2}.list-row button{border:0;background:none;text-align:left;color:inherit;flex:1}.tabs{display:flex;border-bottom:1px solid var(--line);margin-bottom:14px}.tabs button{border:0;background:none;padding:11px 15px;color:var(--muted)}.tabs button.active{color:#56664d;border-bottom:3px solid var(--teal);font-weight:700}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.stat{background:var(--surface);border:1px solid var(--line);padding:14px;border-radius:6px}.stat:nth-child(2){border-top:3px solid var(--yellow)}.stat:nth-child(3){border-top:3px solid var(--coral)}.stat span{display:block;color:var(--muted);font-size:12px}.stat strong{font-family:"Noto Serif TC","PMingLiU",serif;font-size:21px}label.field{display:grid;gap:5px;margin-bottom:13px;font-size:13px;color:var(--muted)}input,select,textarea{width:100%;border:1px solid #c7c0af;border-radius:5px;padding:10px;background:#fffefa;color:var(--ink)}input:focus,select:focus,textarea:focus{outline:2px solid #8e9b82;outline-offset:1px}textarea{min-height:74px;resize:vertical}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 12px}.form-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}.notice{padding:11px;border-left:4px solid var(--yellow);background:#f8eed8;font-size:13px;margin-bottom:12px}dialog{width:min(600px,calc(100% - 24px));max-height:88vh;border:1px solid var(--line);border-radius:8px;padding:0;background:var(--surface);box-shadow:0 20px 60px #2f3b3244}dialog::backdrop{background:#2f3b3277}dialog form>header{position:sticky;top:0;background:var(--surface);display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line);z-index:2}dialog h2{font-size:19px;margin:0}#modalBody{padding:18px;max-height:calc(88vh - 65px);overflow:auto}#toast{position:fixed;z-index:40;left:50%;bottom:82px;transform:translate(-50%,20px);background:var(--nav);color:white;padding:10px 16px;border-radius:6px;opacity:0;pointer-events:none;transition:.2s;white-space:nowrap}#toast.show{opacity:1;transform:translate(-50%,0)}@media(max-width:600px){main{padding-left:12px;padding-right:12px}.form-grid,.stats{grid-template-columns:1fr}.section-head h1{font-size:22px}.bottom-nav button{width:20%}.title-row{align-items:flex-start}.time-record{display:grid}.hide-mobile{display:none}}

html{-webkit-text-size-adjust:100%;background:var(--paper)}
body{overscroll-behavior-y:none}
button{touch-action:manipulation}
main{max-width:720px}
.auth-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:720px;margin:10px auto 0;padding:10px 16px;background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--yellow);border-radius:6px;box-shadow:0 3px 12px #4c493b0a}
.auth-bar[data-auth-status="signed_out"]{border-left-color:var(--teal)}
.auth-bar[data-auth-status="signing_in"]{border-left-color:var(--yellow)}
.auth-bar[data-auth-status="signed_in_unauthorized"]{border-left-color:var(--yellow)}
.auth-bar[data-auth-status="active"]{border-left-color:var(--teal)}
.auth-bar[data-auth-status="disabled"],.auth-bar[data-auth-status="error"]{border-left-color:var(--coral)}
.auth-copy{display:grid;gap:2px;min-width:0}.auth-copy span{color:var(--muted);font-size:11px;font-weight:700}.auth-copy strong{color:var(--nav);font-size:15px;line-height:1.35;overflow-wrap:anywhere}.auth-copy small{color:var(--muted);font-size:12px;line-height:1.4;overflow-wrap:anywhere}
.auth-actions{display:flex;align-items:center;justify-content:flex-end;gap:7px;flex:0 0 auto}.auth-actions .btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:38px;padding:7px 10px;white-space:nowrap}.auth-actions .btn span{display:inline-grid;place-items:center;width:18px;height:18px;border-radius:50%;background:#fffdf833;font-size:12px;font-weight:700}
.auth-meta{display:flex;flex-wrap:wrap;gap:5px;margin-top:3px}.auth-chip{display:inline-flex;align-items:center;gap:4px;width:max-content;max-width:100%;padding:3px 7px;border-radius:14px;background:var(--soft-green);color:#526248;font-size:11px;font-weight:700}.auth-chip small{font-size:10px;color:var(--muted);line-height:1}.account-management{display:grid;gap:12px}.account-management-head{display:flex;justify-content:space-between;gap:12px;align-items:start}.account-management-head h2{margin:2px 0 5px;font-size:19px}.account-management-head p{margin:0;color:var(--muted);font-size:13px;line-height:1.55}.account-inline-form{display:grid;grid-template-columns:minmax(180px,1.25fr) minmax(150px,.85fr) minmax(120px,.65fr) auto;gap:10px;align-items:end}.account-inline-form .field{margin-bottom:0}.account-list{display:grid;gap:8px}.account-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:10px;align-items:center;padding:12px;border:1px solid var(--line);border-radius:6px;background:var(--surface)}.account-row>div{display:grid;gap:2px;min-width:0}.account-row strong{overflow-wrap:anywhere}.account-row span:not(.status-pill){color:var(--muted);font-size:12px;overflow-wrap:anywhere}.status-pill{justify-self:start;padding:5px 8px;border-radius:16px;background:var(--soft-green);font-size:12px;font-weight:700;color:#526248}.status-pill[data-status="disabled"]{background:#f8ded8;color:#8f3b2f}.status-pill[data-status="invited"]{background:#f8eed8;color:#7f6424}.notice[data-notice-type="warning"]{border-left-color:var(--yellow)}.notice[data-notice-type="success"]{border-left-color:var(--teal)}
.access-gate{display:grid;gap:14px;align-content:start}.access-gate h1{margin:4px 0 0;font-size:24px;line-height:1.25}.access-gate p{margin:0;color:var(--muted);line-height:1.55}.access-gate .detail-sheet{margin-top:2px}
.btn,.icon-btn,input,select{min-height:44px}
body,button,input,select,textarea,.brand strong,.section-head h1,.section-head h2,.title-row h2,dialog h2,.stat strong{font-family:"The Peak Font 隨峰體 Beta","Noto Sans TC","Microsoft JhengHei",sans-serif}
.bottom-nav button{width:min(20%,180px);white-space:nowrap}
.salary-celebrate{margin:12px 0 18px;background:var(--coral);border-color:var(--coral)}
.cash-celebration{position:fixed;z-index:100;inset:0;display:grid;place-content:center;justify-items:center;background:#2f3b3238;pointer-events:none;animation:cashFade 1.9s ease both}
.cash-celebration>strong{margin-top:18px;color:#fffdf8;font-size:34px;text-shadow:0 3px 12px #2f3b32;animation:cashTitle .55s cubic-bezier(.2,1.5,.4,1) both}
.cash-register{position:relative;width:210px;height:150px;padding:18px 20px;background:#b75f48;border:5px solid #7f4437;border-radius:8px;box-shadow:0 18px 0 #6f3b30,0 26px 30px #2f3b3250;animation:registerPop .7s cubic-bezier(.2,1.6,.3,1) both}
.register-screen{height:40px;display:grid;place-items:center;background:#e8ece2;border:4px solid #34483b;color:#34483b;font-size:20px;font-weight:700}
.register-keys{width:145px;height:42px;margin:12px auto 0;background:repeating-linear-gradient(90deg,#f3f0e8 0 18px,#c69a43 18px 22px);border:4px solid #7f4437}
.cash-drawer{position:absolute;left:14px;right:14px;bottom:-25px;height:38px;display:grid;place-items:center;background:#fffdf8;border:5px solid #7f4437;color:#b75f48;font-size:14px;font-weight:700;animation:drawerOpen .75s .25s cubic-bezier(.2,1.5,.3,1) both}
.flying-money{position:absolute;z-index:-1;left:76px;top:55px;min-width:48px;padding:7px 5px;background:#68775d;border:2px solid #34483b;color:#fffdf8;text-align:center;font-weight:700;animation:moneyBurst 1.25s calc(var(--i)*.025s) cubic-bezier(.15,.7,.25,1) both}
@keyframes registerPop{0%{transform:scale(.35) translateY(120px);opacity:0}65%{transform:scale(1.08) translateY(-8px)}100%{transform:scale(1) translateY(0);opacity:1}}
@keyframes drawerOpen{0%{transform:translateY(-20px);opacity:0}100%{transform:translateY(22px);opacity:1}}
@keyframes moneyBurst{0%{transform:translate(0,20px) rotate(0);opacity:0}18%{opacity:1}100%{transform:translate(var(--x),calc(-190px - var(--i)*5px)) rotate(var(--r));opacity:0}}
@keyframes cashTitle{0%{transform:scale(.2) rotate(-8deg);opacity:0}100%{transform:scale(1);opacity:1}}
@keyframes cashFade{0%,72%{opacity:1}100%{opacity:0}}
@media(prefers-reduced-motion:reduce){.cash-celebration,.cash-celebration *{animation-duration:.01ms!important;animation-delay:0ms!important}.flying-money{display:none}}
.subject-entry-row{display:grid;grid-template-columns:minmax(0,1fr) 44px;gap:8px;margin-bottom:8px;align-items:center}
.rate-rule-row{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr) 88px 44px;gap:7px;margin-bottom:8px;align-items:center}
.teacher-subjects,.family-rates{margin:16px 0;padding-top:4px;border-top:1px solid var(--line)}
.student-assignments{margin:16px 0;padding-top:4px;border-top:1px solid var(--line)}
.student-assignment-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) 88px 44px;gap:7px;margin-bottom:8px;align-items:center}
.student-assignment-row{padding:10px;background:#f8f4ea;border:1px solid var(--line);border-radius:6px}
.student-assignment-row label{display:grid;gap:4px;color:var(--muted);font-size:12px}.student-assignment-row label span{padding-left:2px}
.student-detail-links{display:grid;gap:8px}.student-detail-links .btn{display:flex;justify-content:space-between;align-items:center;text-align:left}
.detail-section-head{margin-top:20px}.student-profile-head span{color:var(--muted);font-size:13px}.student-profile-head h2{margin:3px 0 14px;font-size:25px}
.assignment-details{display:grid;gap:8px}.assignment-details>div:not(.empty){display:grid;grid-template-columns:1fr 1fr auto;gap:8px;padding:12px;background:var(--soft-green);border-left:4px solid var(--teal);border-radius:5px}.assignment-details span{color:var(--muted)}
.detail-sheet{display:grid;gap:0;border-top:1px solid var(--line)}
.detail-sheet>div{display:grid;grid-template-columns:90px minmax(0,1fr);gap:12px;padding:14px 2px;border-bottom:1px solid var(--line)}
.detail-sheet span{color:var(--muted)}.detail-sheet strong{font-weight:400;overflow-wrap:anywhere}
.teacher-assignment-details{display:grid;gap:9px}.teacher-assignment-details article{display:grid;grid-template-columns:1fr 1fr;gap:10px 14px;padding:13px;border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:6px;background:#f8f4ea}.teacher-assignment-details article div{display:grid;gap:2px}.teacher-assignment-details article span{font-size:12px;color:var(--muted)}.teacher-assignment-details article strong{font-weight:600;overflow-wrap:anywhere}
.teacher-family-links{display:grid;gap:8px}.teacher-family-links .btn{display:flex;align-items:center;justify-content:space-between;text-align:left}.teacher-family-links .btn>span:first-child{display:grid;gap:3px}.teacher-family-links small{color:var(--muted);font-weight:400}.teacher-family-heading span,.teacher-student-head span,.teacher-course-list span{color:var(--muted);font-size:12px}.teacher-family-heading h2{margin:3px 0 16px;font-size:25px}.teacher-student-groups{display:grid;gap:10px}.teacher-student-groups>article{padding:13px;border:1px solid var(--line);border-radius:6px;background:#f8f4ea}.teacher-student-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.teacher-student-head h3{margin:2px 0 0;font-size:19px}.teacher-course-list{display:grid;gap:7px}.teacher-course-list>div{display:grid;grid-template-columns:42px minmax(0,1fr) 34px auto;align-items:center;gap:6px;padding:10px;background:var(--surface);border-left:4px solid var(--teal);border-radius:5px}.teacher-course-list strong:last-child{text-align:right;white-space:nowrap}
.lesson-pay-preview{display:grid;gap:4px;margin-top:16px;padding:14px;border:1px solid var(--line);border-left:5px solid var(--yellow);border-radius:6px;background:#f8f4ea}.lesson-pay-preview>span,.lesson-pay-preview small{color:var(--muted)}.lesson-pay-preview>span{font-size:13px}.lesson-pay-preview strong{font-size:26px;color:var(--nav)}
.time-wheel-pair{display:grid;grid-template-columns:1fr 1fr;gap:10px}.time-wheel-pair fieldset{min-width:0;margin:0;padding:9px;border:1px solid var(--line);border-radius:6px}.time-wheel-pair legend{padding:0 4px;color:var(--muted);font-size:12px}.time-wheel{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:5px}.time-wheel select{min-width:0;padding:9px 4px;text-align:center;font-size:18px;font-weight:700}.time-wheel>span{font-size:20px;font-weight:700}.lesson-rate-controls{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.lesson-rate-controls input[readonly]{background:#f5f1e8;color:var(--ink)}.lesson-rate-controls .btn{min-width:72px}.lesson-rate-controls+small{display:block;margin-top:4px;line-height:1.5}
.today-head{align-items:flex-start}.today-head-actions{display:flex;align-items:center;gap:7px}.today-head-actions select{width:auto;min-width:122px;min-height:42px;padding:8px 30px 8px 10px}.active-teacher-view{display:flex;align-items:center;justify-content:space-between;margin:2px 0 12px;padding:10px 12px;border-left:4px solid var(--teal);background:var(--soft-green);border-radius:5px}.active-teacher-view span{font-size:12px;color:var(--muted)}.active-teacher-view strong{font-size:16px;color:var(--nav)}
.today-routes{margin:0 0 14px}.today-routes .section-head{margin-top:0}.today-route-list{display:grid;gap:7px}.today-route-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;padding:11px 12px;border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:6px;background:var(--surface)}.today-route-row>div:first-child{display:grid;gap:2px;min-width:0}.today-route-row small,.today-route-row span{color:var(--muted);font-size:12px}.today-route-row>div:first-child strong,.today-route-row>div:first-child span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.route-estimate{display:grid;gap:2px;text-align:right}.route-estimate strong{white-space:nowrap}.today-route-row.tight{border-left-color:var(--coral);background:var(--soft-clay)}.today-route-row.tight .route-estimate span{color:var(--coral);font-weight:700}.today-route-row.route-error{border-left-color:var(--yellow)}
.route-between{position:relative;margin:-5px 10px 12px;padding:11px 12px;border-left:2px dashed var(--teal);background:var(--soft-green)}.route-between-head{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:9px}.route-between-head>div{display:grid;gap:2px}.route-between-head small,.route-between-head>span{font-size:12px;color:var(--muted)}.route-between-head>span{white-space:nowrap}.route-modes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.route-mode{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:0 5px;padding:7px;background:var(--surface);border-radius:5px}.route-icon{grid-row:1/3;font-size:19px}.route-mode small{font-size:10px;color:var(--muted);white-space:nowrap}.route-mode strong{font-size:13px;white-space:nowrap}.route-mode.unavailable{opacity:.55}.route-between.tight{border-left-color:var(--coral);background:var(--soft-clay)}.route-between.tight .route-between-head>span{color:var(--coral);font-weight:700}
.today-finished-note{padding:18px 12px;margin-bottom:12px;text-align:center;color:var(--muted);background:var(--soft-green);border-radius:6px}.ended-lessons{margin:16px 0 4px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.ended-lessons>summary{display:flex;align-items:center;justify-content:space-between;min-height:58px;padding:10px 4px;cursor:pointer;list-style:none}.ended-lessons>summary::-webkit-details-marker{display:none}.ended-lessons>summary>span:first-child{display:flex;align-items:baseline;gap:8px}.ended-lessons summary small{color:var(--muted);font-weight:400}.ended-chevron{font-size:22px;transition:transform .2s}.ended-lessons[open] .ended-chevron{transform:rotate(180deg)}.ended-lesson-list{padding-top:4px}.ended-lesson-list .lesson-primary{opacity:.82;border-left-color:var(--muted)}
.duration-summary{display:block;padding:9px 10px;background:var(--soft-green);border-left:4px solid var(--teal);color:var(--ink);font-size:14px;font-weight:400}
.duration-summary.invalid{background:var(--soft-clay);border-left-color:var(--coral);color:#8b4435}
.locked-lesson-time{margin:8px 0 16px;padding:13px;background:#f8f4ea;border:1px solid var(--line);border-radius:6px}
.locked-date{display:flex;justify-content:space-between;align-items:center;margin-bottom:11px;color:var(--muted)}
.locked-date strong{color:var(--ink);font-size:16px}
.time-pair{display:grid;grid-template-columns:1fr 1fr;gap:10px}.time-pair .field{margin-bottom:10px}
.planned-time{background:#f5f0e5;border-left:4px solid var(--yellow)}
.actual-time{border:0;border-left:4px solid var(--teal)}
.empty-clock{color:var(--muted)}
.pay-time-source{margin:-3px 0 12px;color:var(--muted);font-size:12px;text-align:right}
.check-field{display:flex;align-items:flex-start;gap:11px;margin:14px 0;padding:13px;background:var(--soft-green);border:1px solid var(--line);border-radius:6px;color:var(--ink)}
.check-field input{width:22px;min-width:22px;min-height:22px;margin:1px 0 0;accent-color:var(--teal)}
.check-field span{display:grid;gap:3px}.check-field small{color:var(--muted)}
@media(max-width:600px){.rate-rule-row,.student-assignment-row{grid-template-columns:minmax(0,1fr) 82px 44px}.rate-rule-row .rate-teacher,.student-assignment-row .assignment-subject{grid-column:1/3}.subject-entry-row input,.rate-rule-row input,.rate-rule-row select,.student-assignment-row input,.student-assignment-row select{min-width:0}}
@media(max-width:600px){.student-assignment-row{grid-template-columns:minmax(0,1fr) 92px 44px}.student-assignment-row label:first-child{grid-column:1/3}.student-assignment-row .remove-assignment{grid-column:3;grid-row:1}.assignment-details>div:not(.empty){grid-template-columns:1fr auto}.assignment-details>div span:first-of-type{grid-column:1/2}.assignment-details>div span:last-child{grid-column:2;grid-row:1/3;align-self:center}}
html.iphone17-preview .topbar{height:96px;padding-top:38px;align-items:center}
html.iphone17-preview .brand{min-width:0}
html.iphone17-preview .brand div{min-width:0}
html.iphone17-preview .brand strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:260px}

@media(max-width:600px){
  .topbar{height:58px;padding:7px 12px;padding-left:max(12px,env(safe-area-inset-left));padding-right:max(12px,env(safe-area-inset-right))}
  .brand{gap:8px}.brand img{width:38px;height:38px}.brand strong{font-size:17px}.brand span{font-size:11px}
  .auth-bar{display:grid;grid-template-columns:1fr;gap:8px;margin:0;border-left:0;border-right:0;border-radius:0;padding:9px 12px}.auth-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}.auth-actions .btn{width:100%;min-height:42px;padding:8px 9px}.auth-actions .btn[hidden]{display:none!important}.auth-copy strong{font-size:14px}.auth-copy small{font-size:11px}.auth-meta{gap:4px}.auth-chip{font-size:10px;padding:3px 6px}.account-management-head{display:grid}.account-inline-form,.account-row{grid-template-columns:minmax(0,1fr)}.account-row .btn{width:100%}
  main{padding:14px 12px calc(88px + env(safe-area-inset-bottom));max-width:none}
  .section-head{margin:3px 0 11px;gap:10px}.section-head h1{font-size:24px}.section-head h2{font-size:18px}.section-head>.btn{flex:0 0 auto}
  .bottom-nav{height:calc(70px + env(safe-area-inset-bottom));padding:0 env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}
  .bottom-nav button{width:20%;min-height:64px;font-size:10px;gap:2px}.bottom-nav button span{font-size:19px}
  .panel{padding:14px;margin-bottom:10px}.lesson-primary{border-left-width:4px}
  .title-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.title-row h2{font-size:21px}.pill{max-width:112px;overflow:hidden;text-overflow:ellipsis}
  .info-list{gap:7px;margin:12px 0;padding-top:11px}.info-list div{min-height:28px;align-items:center;overflow-wrap:anywhere}
  .btn{min-height:46px;padding:10px 12px}.btn.full{min-height:54px}.icon-btn{min-width:44px;min-height:44px}
  input,select,textarea{font-size:16px;min-height:48px;padding:11px}textarea{min-height:92px}
  .form-grid{grid-template-columns:1fr}.toolbar{display:grid;grid-template-columns:1fr 1fr}.toolbar .btn{width:100%}
  .calendar-head .icon-btn{min-height:42px}.calendar-grid{gap:2px;margin-bottom:4px}.day-label{padding:5px 2px}.day{min-height:42px;padding:0;font-size:14px}
  .list{gap:7px}.list-row{min-height:60px;padding:10px}.list-row>.icon-btn{flex:0 0 44px}.list-row button{min-height:42px}
  .tabs button{flex:1;min-height:46px;padding:10px 8px}
  .stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.stat{padding:10px 8px;min-width:0}.stat span{font-size:11px}.stat strong{display:block;font-size:17px;overflow-wrap:anywhere}
  .time-record{display:grid;width:100%;min-height:48px;border:0;text-align:left}
  .empty{padding:38px 12px}
  dialog{width:100%;max-width:none;height:100dvh;max-height:none;margin:0;inset:0;border:0;border-radius:0}
  dialog form{height:100%;display:flex;flex-direction:column;background:var(--surface)}
  dialog form>header{flex:0 0 58px;padding:8px 12px;padding-top:max(8px,env(safe-area-inset-top))}
  #modalBody{flex:1;max-height:none;padding:16px 14px calc(18px + env(safe-area-inset-bottom));overflow-y:auto}
  .form-actions{position:sticky;bottom:calc(-18px - env(safe-area-inset-bottom));z-index:2;background:var(--surface);margin:18px -14px calc(-18px - env(safe-area-inset-bottom));padding:12px 14px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--line)}
  .form-actions .btn{flex:1}
  #toast{bottom:calc(82px + env(safe-area-inset-bottom));max-width:calc(100% - 24px);white-space:normal;text-align:center}
  .today-head-actions select{min-width:112px;max-width:142px}.today-head-actions .icon-btn{min-width:44px}
}
.route-extra{grid-column:1/3;font-size:10px!important;color:var(--teal)!important;font-weight:700;white-space:nowrap}.route-from-home{border-left-style:solid;background:#f8f4ea}.lesson-prep-note{display:flex;align-items:center;justify-content:space-between;margin:-5px 0 10px;padding:8px 10px;background:#f8eed8;border-left:4px solid var(--yellow);font-size:13px}.lesson-prep-note span{color:var(--muted)}.lesson-prep-field{display:grid;gap:5px;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}.lesson-prep-field>span,.lesson-prep-field small{color:var(--muted);font-size:12px}.lesson-prep-field>div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.lesson-prep-field input[readonly]{background:#f5f1e8}
.address-row{display:grid!important;grid-template-columns:minmax(0,1fr) auto;align-items:center}.address-row>span{overflow-wrap:anywhere}.address-nav{min-height:34px;padding:5px 10px;text-decoration:none}.today-date-switch{display:grid;grid-template-columns:44px minmax(0,1fr) 44px auto;gap:7px;margin-bottom:10px}.today-date-switch input{min-width:0}.lesson-homework{margin:10px 0;padding:11px;background:#f8f4ea;border:1px solid var(--line);border-radius:6px}.lesson-mini-head{display:flex;align-items:center;justify-content:space-between;gap:8px}.lesson-mini-head .btn{min-height:34px;padding:5px 9px}.homework-lines{display:grid;gap:5px;margin-top:8px}.homework-lines button{border:0;background:var(--surface);padding:8px;text-align:left;color:var(--ink);border-radius:4px}.homework-lines button span{margin-right:7px}.exam-alert{display:flex;align-items:center;justify-content:space-between;margin:8px 0;padding:9px 10px;background:#f8eed8;border-left:4px solid var(--yellow);font-size:13px}.student-progress-section{margin-top:20px;padding-top:12px;border-top:1px solid var(--line)}.student-progress-list{display:grid;gap:7px}.student-progress-row{display:grid;grid-template-columns:1fr 1.25fr auto;align-items:center;gap:9px;width:100%;padding:11px;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--ink);text-align:left}.student-progress-row>span{display:grid;gap:2px}.student-progress-row small{color:var(--muted);font-size:11px}.report-range{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-bottom:12px}.report-range label{display:grid;gap:4px;color:var(--muted);font-size:12px}.report-group-list{display:grid;gap:7px}.report-group-list>button{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:10px;width:100%;padding:13px;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--ink);text-align:left}.report-group-list>button>span:first-child{display:grid;gap:2px}.report-group-list small{color:var(--muted)}.report-transfer{margin-top:18px}.report-lesson-details{display:grid;gap:8px}.report-lesson-details article{display:flex;justify-content:space-between;gap:12px;padding:12px;border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:6px}.report-lesson-details article>div{display:grid;gap:3px}.report-lesson-details article>div:last-child{text-align:right}.report-lesson-details span{color:var(--muted);font-size:12px}
@media(max-width:600px){.today-date-switch{grid-template-columns:44px minmax(0,1fr) 44px}.today-date-switch #backToday{grid-column:1/4}.student-progress-row{grid-template-columns:1fr 1.2fr auto}.report-range{grid-template-columns:1fr 1fr}.report-lesson-details article{display:grid}.report-lesson-details article>div:last-child{display:flex;justify-content:space-between;text-align:left}}
.lesson-homework{display:grid;gap:12px}.lesson-homework-group{display:grid;gap:7px}.lesson-homework-group.current{padding-top:11px;border-top:1px solid var(--line)}.lesson-mini-head>small{color:var(--muted)}.homework-lines{display:grid;gap:6px}.homework-lines .homework-check{display:grid;grid-template-columns:24px minmax(0,1fr) auto;align-items:center;gap:7px;width:100%;border:1px solid transparent;background:var(--surface);padding:9px;text-align:left;color:var(--ink);border-radius:5px}.homework-lines .homework-check>span:first-child{font-size:18px;color:var(--teal)}.homework-lines .homework-check small{color:var(--muted);font-size:10px}.homework-lines .homework-check.completed{opacity:.67}.homework-lines .homework-check.completed>span:nth-child(2){text-decoration:line-through}.current-homework>div{display:grid;grid-template-columns:18px minmax(0,1fr);gap:5px;padding:8px 9px;background:var(--surface);border-radius:5px}.current-homework>div>span:first-child{color:var(--coral)}
.progress-profile{padding-bottom:14px;border-bottom:1px solid var(--line)}.progress-profile>span,.progress-profile>small{color:var(--muted)}.progress-profile h2{margin:3px 0;font-size:27px}.progress-detail-section{padding:15px 0;border-bottom:1px solid var(--line)}.progress-detail-section h3,.homework-history h3{margin:0 0 9px;font-size:17px}.tag-list{display:flex;flex-wrap:wrap;gap:6px}.tag-list span{padding:6px 9px;background:var(--soft-green);border-radius:16px;font-size:12px}.progress-highlight{display:grid;gap:5px;padding:12px;border-left:4px solid var(--teal);background:var(--soft-green)}.progress-highlight>span,.progress-highlight small{color:var(--muted);font-size:12px}.progress-highlight strong{font-size:16px}.compact-history{display:grid;gap:7px}.compact-history>div:not(.empty){display:grid;gap:3px;padding:10px 11px;border-left:4px solid var(--yellow);background:#f8f4ea}.compact-history span,.compact-history small{color:var(--muted);font-size:12px}.homework-summary-button{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:10px;width:100%;margin-top:16px;padding:13px;border:1px solid var(--line);border-left:4px solid var(--coral);border-radius:6px;background:var(--surface);color:var(--ink);text-align:left}.homework-summary-button>span{display:grid;gap:2px}.homework-summary-button small{color:var(--muted);font-size:11px}.homework-history-list{display:grid;gap:6px}.homework-history-list>button{display:grid;grid-template-columns:25px minmax(0,1fr);align-items:center;gap:7px;width:100%;padding:11px;border:1px solid var(--line);border-radius:5px;background:var(--surface);color:var(--ink);text-align:left}.homework-history-list>button>span:first-child{font-size:19px;color:var(--teal)}.homework-history-list>button>span:last-child{display:grid;gap:3px}.homework-history-list small{color:var(--muted);font-size:11px}.homework-history-list>button.completed strong{text-decoration:line-through}.completed-homework{margin-top:18px;border-top:1px solid var(--line)}.completed-homework>summary,.history-fold>summary{display:flex;justify-content:space-between;padding:14px 2px;cursor:pointer;font-weight:700}.empty.compact{padding:22px 10px}
.progress-tabs{position:sticky;top:-16px;z-index:3;display:grid;grid-template-columns:repeat(3,1fr);margin:-16px -14px 16px;background:var(--surface);border-bottom:1px solid var(--line)}.progress-tabs button{min-height:50px;border:0;background:transparent;color:var(--muted)}.progress-tabs button.active{border-bottom:3px solid var(--teal);color:var(--nav);font-weight:700}.progress-editor-list{display:grid;gap:7px}.progress-editor-list>button{display:flex;align-items:center;justify-content:space-between;gap:9px;width:100%;padding:12px;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--ink);text-align:left}.progress-editor-list>button>span:first-child{display:grid;gap:3px}.progress-editor-list small{color:var(--muted)}.history-fold{margin-top:16px;border-top:1px solid var(--line)}.full-history{padding-bottom:14px}.reminder-days{padding:12px;background:#f8f4ea;border:1px solid var(--line);border-radius:6px}.number-pad{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.number-pad button{min-height:44px;border:1px solid var(--line);border-radius:5px;background:var(--surface);color:var(--ink);font-weight:700}.number-pad button:active{background:var(--soft-green)}.report-head select{width:auto;min-width:130px;max-width:160px}
@media(max-width:600px){.homework-lines .homework-check{grid-template-columns:24px minmax(0,1fr)}.homework-lines .homework-check small{grid-column:2}.student-progress-row{grid-template-columns:minmax(0,.9fr) minmax(0,1.35fr) auto}.student-progress-row strong,.student-progress-row small{overflow-wrap:anywhere}.homework-summary-button{grid-template-columns:minmax(0,1fr) auto auto}.report-head{align-items:center}.report-head select{min-width:118px;max-width:145px}}
.startup-skeleton{display:grid;gap:.65rem;margin-top:.75rem}.startup-skeleton span{display:block;height:.8rem;border-radius:999px;background:linear-gradient(90deg,var(--line),rgba(255,255,255,.8),var(--line));background-size:200% 100%;animation:startup-shimmer 1.2s ease-in-out infinite}.startup-skeleton span:nth-child(2){width:82%}.startup-skeleton span:nth-child(3){width:64%}@keyframes startup-shimmer{to{background-position:-200% 0}}@media(prefers-reduced-motion:reduce){.startup-skeleton span{animation:none}}

/* Phase 1 app shell, device-only appearance, and action safety. */
:root{--app-font:"The Peak Font 隨峰體 Beta","Noto Sans TC","Microsoft JhengHei",sans-serif;--font-scale:1;--header-height:64px;--focus:#426b78;--danger:#b75f48;--danger-soft:#f3e4dc;color-scheme:light}
html[data-theme="dark"]{--ink:#edf2ec;--muted:#abb7ae;--paper:#111713;--surface:#1b241e;--line:#3b4940;--coral:#dc806a;--yellow:#d2ad63;--danger:#dc806a;--danger-soft:#402923;color-scheme:dark}
html[data-theme="dark"] input,html[data-theme="dark"] select,html[data-theme="dark"] textarea{background:#141c17;border-color:#536258;color:var(--ink)}
html[data-theme="dark"] .notice,html[data-theme="dark"] .lesson-prep-note,html[data-theme="dark"] .exam-alert,html[data-theme="dark"] .account-row,html[data-theme="dark"] .student-assignment-row,html[data-theme="dark"] .locked-lesson-time,html[data-theme="dark"] .report-lesson-details article,html[data-theme="dark"] .teacher-student-groups>article,html[data-theme="dark"] .compact-history>div:not(.empty){background:#242c25}
html[data-theme="dark"] .btn:hover,html[data-theme="dark"] .icon-btn:hover{background:#263129;border-color:#65736a}
html{font-size:calc(16px * var(--font-scale))}
body,button,input,select,textarea,.brand strong,.section-head h1,.section-head h2,.title-row h2,dialog h2,.stat strong{font-family:var(--app-font)}
body{color:var(--ink)}
.app-icon{display:block;width:1.35em;height:1.35em;pointer-events:none}
.topbar.app-header{height:var(--header-height);gap:12px;padding-block:7px;z-index:50}
.app-header-leading,.app-header-actions{display:flex;align-items:center;gap:9px;min-width:0}.app-header-leading{flex:1}.app-header-actions{justify-content:flex-end}
.header-icon-btn{display:grid;place-items:center;flex:0 0 auto}.header-icon-btn .app-icon{width:22px;height:22px}
.app-header .brand{min-width:0}.app-header .brand img{width:38px;height:38px}.app-header .brand div{min-width:0}.app-header .brand strong,.app-header .brand span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.app-header .brand strong{font-size:16px}
.sync-summary{display:flex;align-items:center;gap:7px;min-height:42px;max-width:150px;padding:5px 8px;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--ink);text-align:left}.sync-summary:hover,.sync-summary:focus-visible{background:var(--soft-green);border-color:var(--line)}.sync-summary>span:last-child{display:grid;min-width:0}.sync-summary strong,.sync-summary small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sync-summary strong{font-size:12px}.sync-summary small{font-size:10px;color:var(--muted)}
.sync-dot{width:9px;height:9px;flex:0 0 auto;border-radius:50%;background:var(--yellow);box-shadow:0 0 0 3px color-mix(in srgb,var(--yellow) 18%,transparent)}.app-header[data-sync-state="ready"] .sync-dot{background:var(--teal);box-shadow:0 0 0 3px color-mix(in srgb,var(--teal) 18%,transparent)}.app-header[data-sync-state="dirty"] .sync-dot{background:var(--yellow);box-shadow:0 0 0 3px color-mix(in srgb,var(--yellow) 18%,transparent)}.app-header[data-sync-state="error"] .sync-dot,.app-header[data-sync-state="conflict"] .sync-dot{background:var(--danger);box-shadow:0 0 0 3px color-mix(in srgb,var(--danger) 18%,transparent)}.app-header[data-sync-state="syncing"] .sync-dot{animation:syncPulse 1s ease-in-out infinite}@keyframes syncPulse{50%{opacity:.35;transform:scale(.78)}}
.auth-bar{display:none!important}
.settings-backdrop{position:fixed;z-index:70;inset:0;background:#10171399;backdrop-filter:blur(2px)}
.settings-drawer{position:fixed;z-index:71;inset:0 auto 0 0;width:min(460px,92vw);max-width:none;display:flex;flex-direction:column;padding:0;border:0;border-right:1px solid var(--line);background:var(--surface);color:var(--ink);box-shadow:18px 0 50px #10171340;transform:translateX(-102%);transition:transform .18s ease;overflow:hidden}.settings-drawer.open{transform:translateX(0)}
.settings-drawer-header{display:flex;align-items:center;justify-content:space-between;min-height:72px;padding:max(14px,env(safe-area-inset-top)) 16px 12px;border-bottom:1px solid var(--line);background:var(--surface)}.settings-drawer-header>div{display:grid;gap:2px}.settings-drawer-header span{font-size:11px;color:var(--muted)}.settings-drawer-header h2{margin:0;font-size:24px}
.settings-drawer-body{flex:1;overflow-y:auto;overscroll-behavior:contain;padding:0 16px calc(28px + env(safe-area-inset-bottom))}
.settings-section{padding:22px 0;border-bottom:1px solid var(--line);scroll-margin-top:10px}.settings-section:last-child{border-bottom:0}.settings-section:focus{outline:0}.settings-section:focus-visible{outline:2px solid var(--focus);outline-offset:4px}
.settings-section-title{display:grid;grid-template-columns:32px minmax(0,1fr);gap:10px;align-items:start;margin-bottom:15px}.settings-section-title>.app-icon{width:24px;height:24px;color:var(--teal)}.settings-section-title h3{margin:0 0 3px;font-size:18px}.settings-section-title p{margin:0;color:var(--muted);font-size:12px;line-height:1.5}
.theme-toggle-row{display:flex;align-items:center;justify-content:center;gap:14px;padding:10px;border-radius:10px;background:var(--paper)}.theme-symbol{display:grid;place-items:center;color:var(--muted)}.theme-symbol .app-icon{width:22px;height:22px}
.switch{position:relative;display:inline-block;width:54px;height:30px}.switch input{position:absolute;width:1px;height:1px;opacity:0}.switch>span{position:absolute;inset:0;border-radius:999px;background:var(--line);transition:.18s}.switch>span::after{content:"";position:absolute;top:4px;left:4px;width:22px;height:22px;border-radius:50%;background:var(--surface);box-shadow:0 2px 5px #10171340;transition:.18s}.switch input:checked+span{background:var(--teal)}.switch input:checked+span::after{transform:translateX(24px)}.switch input:focus-visible+span{outline:3px solid color-mix(in srgb,var(--focus) 35%,transparent);outline-offset:2px}
.appearance-system-row{display:flex;align-items:center;justify-content:space-between;margin:9px 0 14px;color:var(--muted)}.btn.compact{min-height:34px;padding:5px 9px;font-size:12px}.settings-control-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 10px}.settings-control-grid .field:last-child{grid-column:1/-1}
.safe-account-status{display:grid;margin:0 0 14px;border-top:1px solid var(--line)}.safe-account-status>div{display:flex;justify-content:space-between;gap:15px;padding:11px 0;border-bottom:1px solid var(--line)}.safe-account-status dt{color:var(--muted)}.safe-account-status dd{margin:0;font-weight:700;text-align:right}.settings-actions,.settings-data-actions{display:grid;gap:8px}.settings-actions .btn,.settings-data-actions .btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%}.settings-actions .app-icon,.settings-data-actions .app-icon{width:18px;height:18px}
.danger-note{display:grid;grid-template-columns:24px 1fr;gap:9px;margin-top:12px;padding:11px;border-radius:7px;background:var(--danger-soft);color:var(--ink)}.danger-note .app-icon{color:var(--danger)}.danger-note p{margin:0;font-size:12px;line-height:1.5}
body.settings-open{overflow:hidden}
.confirm-dialog{z-index:90;width:min(430px,calc(100% - 28px));padding:0;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink)}.confirm-dialog::backdrop{background:#101713aa;backdrop-filter:blur(2px)}.confirm-dialog-card{display:grid;justify-items:center;padding:24px;text-align:center}.confirm-dialog-icon{display:grid;place-items:center;width:48px;height:48px;margin-bottom:10px;border-radius:50%;background:var(--soft-green);color:var(--teal)}.confirm-dialog[data-danger="true"] .confirm-dialog-icon{background:var(--danger-soft);color:var(--danger)}.confirm-dialog-icon .app-icon{width:26px;height:26px}.confirm-dialog h2{margin:0 0 8px}.confirm-dialog p{margin:0;color:var(--muted);line-height:1.55}.confirm-dialog ul{width:100%;margin:14px 0 0;padding:12px 12px 12px 30px;border-radius:7px;background:var(--paper);text-align:left;color:var(--muted);font-size:13px}.confirm-dialog-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;width:100%;margin-top:20px}.confirm-dialog-actions .danger{background:var(--danger);border-color:var(--danger);color:white}
.conflict-dialog{z-index:91;width:min(500px,calc(100% - 28px));padding:0;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink)}.conflict-dialog::backdrop{background:#101713aa;backdrop-filter:blur(2px)}.conflict-dialog-card{display:grid;justify-items:center;padding:24px;text-align:center}.conflict-dialog-card h2{margin:0 0 8px}.conflict-dialog-card p{margin:0;color:var(--muted);line-height:1.55}.conflict-dialog-actions{display:grid;grid-template-columns:1fr 1fr;gap:9px;width:100%;margin-top:20px}.conflict-dialog-actions #cloudConflictCancel{grid-column:1/-1;grid-row:2}
.danger-zone{display:grid;gap:10px;margin-top:22px;padding:12px;border-top:1px solid color-mix(in srgb,var(--warning) 42%,var(--line));border-radius:8px;background:color-mix(in srgb,var(--warning-soft) 54%,transparent)}.danger-zone strong{color:var(--text-heading)}.danger-zone p{margin:3px 0 0;color:var(--muted);font-size:12px;line-height:1.5}.danger-zone .danger-action-button{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:48px}.danger-zone .app-icon{width:19px;height:19px}
.smart-page-header{position:sticky;top:var(--header-height);z-index:8;min-height:54px;margin-top:-6px!important;padding:8px 0;background:color-mix(in srgb,var(--paper) 94%,transparent);backdrop-filter:blur(8px);transition:padding .16s ease,border-color .16s ease}.smart-page-header::after{content:"";position:absolute;left:0;right:0;bottom:0;border-bottom:1px solid transparent}.smart-page-header.collapsed{padding-block:4px}.smart-page-header.collapsed::after{border-color:var(--line)}.smart-page-header h1,.smart-page-header h2{transition:font-size .16s ease}.smart-page-header.collapsed h1{font-size:19px}.smart-page-header.collapsed h2{font-size:16px}.smart-page-header .meta{transition:opacity .12s ease}.smart-page-header.collapsed .meta{opacity:0}
.bottom-nav button{align-content:center;justify-items:center}.bottom-nav .nav-icon{display:grid;place-items:center;width:24px;height:24px}.bottom-nav .nav-icon .app-icon{width:23px;height:23px;stroke-width:1.8}.bottom-nav .nav-label{display:block;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:10px}.bottom-nav button.active .nav-icon{transform:translateY(-1px)}
@media(max-width:600px){:root{--header-height:58px}.app-header .brand img{display:none}.app-header .brand strong{font-size:14px;max-width:120px}.sync-summary{max-width:118px;padding-inline:5px}.settings-drawer{width:100%}.settings-control-grid{grid-template-columns:1fr}.settings-control-grid .field:last-child{grid-column:auto}.form-actions{justify-content:space-between}.form-actions .btn{flex:1}.danger-zone{margin:20px 0 0;padding:12px}.danger-zone .danger-action-button{width:100%}.confirm-dialog,.conflict-dialog{width:calc(100% - 24px);height:auto;max-height:calc(100dvh - 24px);margin:auto;border-radius:12px}.confirm-dialog-card,.conflict-dialog-card{padding:20px}.conflict-dialog-actions{grid-template-columns:1fr}.conflict-dialog-actions #cloudConflictCancel{grid-column:auto;grid-row:auto}.bottom-nav button{padding-inline:3px}}
html.iphone17-preview{--header-height:96px}
@media(prefers-reduced-motion:reduce){.settings-drawer,.switch>span,.switch>span::after,.smart-page-header,.smart-page-header h1,.smart-page-header h2,.smart-page-header .meta{transition:none!important}.app-header[data-sync-state="syncing"] .sync-dot{animation:none}}

/* Phase 2 family lesson locations. */
.family-location-editor{display:grid;gap:12px;margin:18px 0;padding:16px;border:1px solid var(--line);border-radius:9px;background:var(--paper)}
.family-location-editor .section-head{align-items:flex-start;margin:0}.family-location-editor .section-head>div{display:grid;gap:2px}.family-location-list{display:grid;gap:8px}
.family-location-card{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;padding:12px;border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:7px;background:var(--surface)}
.family-location-card.inactive{border-left-color:var(--muted);opacity:.72}.family-location-card>div{display:grid;gap:4px;min-width:0}.family-location-card>div>span,.family-location-card>div>small{overflow-wrap:anywhere}.family-location-title{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.location-default,.location-inactive{display:inline-flex;padding:3px 7px;border-radius:999px;font-size:10px;font-weight:700}.location-default{background:var(--soft-green);color:var(--teal)}.location-inactive{background:var(--line);color:var(--muted)}
.family-location-summary{display:grid;gap:6px}.family-location-summary>div:not(.empty){display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px solid var(--line)}.family-location-summary>div>div{display:grid;gap:3px;min-width:0}.family-location-summary>div>div>span{display:flex;align-items:center;gap:6px}.family-location-address{color:var(--muted);overflow-wrap:anywhere}
.switch-row{display:flex;align-items:center;gap:9px;padding:10px 0}.switch-row input{width:20px;height:20px}.lesson-location-field small{min-height:1.4em}.lesson-location-summary{margin-top:4px;overflow-wrap:anywhere}
.lesson-participants,.schedule-series-participants{min-width:0;margin:0 0 13px;padding:0;border:0}.lesson-participants legend,.schedule-series-participants legend{margin-bottom:7px;padding:0;color:var(--muted);font-size:13px}.participant-options{display:grid;gap:6px}.participant-option{display:grid;grid-template-columns:20px minmax(0,1fr);align-items:center;gap:10px;width:100%;min-height:0;margin:0;padding:9px 11px;border:1px solid var(--line);border-radius:6px;background:var(--surface);color:var(--ink);line-height:1.4;cursor:pointer}.participant-option:hover{border-color:#a9ad9b;background:#faf6ed}.participant-option:has(input:checked){border-color:var(--teal);background:var(--soft-green)}.participant-option input{width:18px;min-width:18px;height:18px;min-height:18px;margin:0;padding:0;accent-color:var(--teal)}.participant-option span{min-width:0;overflow-wrap:anywhere;font-size:15px;font-weight:600}.participant-helper{display:block;margin-top:7px;color:var(--muted);font-size:12px;line-height:1.5}.participant-empty{display:block;padding:8px 2px}
html[data-theme="dark"] .family-location-editor{background:#141c17}
@media(max-width:600px){.family-location-editor{margin-inline:-14px;padding:14px;border-left:0;border-right:0;border-radius:0}.family-location-editor .section-head{display:grid;gap:9px}.family-location-editor .section-head .btn{width:100%}.family-location-card{grid-template-columns:minmax(0,1fr)}.family-location-card>.btn{width:100%}}
.lesson-live-time{display:grid;gap:.2rem;padding:.9rem 1rem;border:1px solid color-mix(in srgb,var(--accent) 45%,transparent);border-radius:1rem;background:color-mix(in srgb,var(--accent) 10%,var(--surface));margin:.75rem 0}.lesson-live-time span{font-weight:700;color:var(--accent)}.lesson-live-time strong{font-variant-numeric:tabular-nums;font-size:clamp(1.8rem,7vw,2.5rem);letter-spacing:.04em}.lesson-live-time small,.lesson-completion-source{color:var(--muted)}.lesson-completion-source{padding:.55rem .75rem;border-radius:.75rem;background:var(--surface-2);margin:.5rem 0}.lesson-lifecycle-actions{display:grid;gap:.55rem}
.lesson-time-axis{display:grid;grid-template-columns:auto minmax(34px,1fr) minmax(120px,auto) minmax(34px,1fr) auto;align-items:center;gap:.55rem;margin:.85rem 0;padding:.75rem;border:1px solid var(--line);border-radius:1rem;background:color-mix(in srgb,var(--surface) 90%,var(--accent) 10%)}.lesson-axis-time{display:grid;gap:.1rem}.lesson-axis-time.end{text-align:right}.lesson-axis-time strong,.lesson-axis-state b{font-variant-numeric:tabular-nums}.lesson-axis-time span,.lesson-axis-state span{font-size:.72rem;color:var(--muted)}.lesson-axis-line{display:flex;align-items:center;min-width:0}.lesson-axis-line>span{width:.55rem;height:.55rem;flex:0 0 auto;border:2px solid var(--accent);border-radius:50%;background:var(--surface)}.lesson-axis-line>i{height:2px;flex:1;background:var(--line)}.lesson-time-axis.is-running .lesson-axis-line:first-of-type>i,.lesson-time-axis.is-complete .lesson-axis-line>i{background:var(--accent)}.lesson-axis-state{display:grid;gap:.1rem;text-align:center}.lesson-axis-state strong{color:var(--accent)}.lesson-axis-state b{font-size:1.05rem;letter-spacing:.04em}
@media(max-width:560px){.lesson-time-axis{grid-template-columns:auto minmax(20px,1fr) minmax(102px,auto) minmax(20px,1fr) auto;gap:.35rem;padding:.65rem}.lesson-axis-time span{display:none}}
@media (prefers-reduced-motion:reduce){.lesson-live-time,.lesson-live-time *,.lesson-time-axis,.lesson-time-axis *{transition:none!important;animation:none!important}}
.calendar-create-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:.5rem}.schedule-series-form{display:grid;gap:1rem}.schedule-series-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem}.schedule-series-party{grid-column:1/-1;display:grid;grid-template-columns:auto 1fr auto 1fr;gap:.4rem .75rem;align-items:center;padding:.75rem;border:1px solid var(--line);border-radius:.85rem;background:var(--surface-2)}.schedule-series-party span{font-size:.75rem;color:var(--muted)}.schedule-weekdays{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:.45rem;border:0;padding:0;margin:0}.schedule-weekdays legend{width:100%;margin-bottom:.35rem;font-weight:700}.schedule-weekdays label{position:relative}.schedule-weekdays input{position:absolute;opacity:0;pointer-events:none}.schedule-weekdays span{display:grid;place-items:center;min-width:2.6rem;min-height:2.5rem;border:1px solid var(--line);border-radius:.75rem;background:var(--surface);font-weight:700}.schedule-weekdays input:checked+span{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 16%,var(--surface));color:var(--accent)}.schedule-weekdays input:focus-visible+span{outline:3px solid color-mix(in srgb,var(--accent) 35%,transparent);outline-offset:2px}.schedule-weekdays:disabled{opacity:.55}.schedule-series-preview{display:grid;gap:.25rem;padding:.85rem 1rem;border:1px solid color-mix(in srgb,var(--accent) 35%,var(--line));border-radius:.9rem;background:color-mix(in srgb,var(--accent) 8%,var(--surface))}.schedule-series-preview span,.schedule-series-edit small{color:var(--muted)}.schedule-series-edit{display:grid;gap:.8rem;padding:1rem;border:1px solid var(--line);border-radius:1rem;background:var(--surface-2)}.schedule-series-edit>div{display:grid;gap:.2rem}
@media(max-width:640px){.calendar-create-actions{width:100%;justify-content:stretch}.calendar-create-actions .btn{flex:1}.schedule-series-grid{grid-template-columns:1fr}.schedule-series-party{grid-column:1}.schedule-weekdays{grid-column:1}.schedule-series-form .form-actions{position:sticky;bottom:0;z-index:2;padding:.75rem 0 calc(.25rem + env(safe-area-inset-bottom));background:linear-gradient(transparent,var(--surface) 28%)}}
.switch-field{display:flex;align-items:center;justify-content:space-between;gap:1rem}.switch-field>span:first-child{display:grid;gap:.2rem}.switch-field small,.settings-inline-status{color:var(--muted)}.settings-inline-status{margin:.6rem 0 0}
.notification-settings{display:grid;gap:12px}.notification-device-status{margin:0}.notification-device-status>div{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center}.notification-device-status dd{max-width:190px;text-align:right}
@media(max-width:600px){.notification-device-status>div{grid-template-columns:minmax(0,1fr)}.notification-device-status dd{max-width:none;text-align:left}}

/* Phase C server-scoped calendar and settlement views. */
.schedule-scope-control{display:grid;grid-template-columns:minmax(150px,.8fr) minmax(180px,1fr) minmax(180px,1fr);gap:.75rem;align-items:end;margin:0 0 1rem;padding:1rem;border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:.75rem;background:var(--surface)}
.schedule-scope-control label{display:grid;gap:.35rem;color:var(--muted);font-size:.78rem}.schedule-scope-control select{min-width:0}.schedule-scope-current{display:grid;gap:.2rem;align-self:stretch;align-content:center;padding:.55rem .75rem;border-radius:.55rem;background:var(--soft-green)}.schedule-scope-current span{font-size:.72rem;color:var(--muted)}.schedule-scope-current strong{overflow-wrap:anywhere;color:var(--nav)}
.scoped-view-status{display:grid;gap:.75rem;min-height:220px;align-content:center}.scoped-view-status h1,.scoped-view-status p{margin:0}.scoped-view-status p{color:var(--muted)}
.scoped-calendar-row{align-items:stretch}.scoped-calendar-row>button:first-child{display:grid;align-content:center;gap:.2rem}.settlement-source{color:var(--teal)}.settlement-source-summary{display:grid;gap:.55rem;margin-top:1rem}.settlement-source-summary>.section-head{margin:0 0 .25rem}.settlement-source-summary>div:not(.section-head):not(.empty){display:flex;justify-content:space-between;gap:1rem;padding:.55rem 0;border-bottom:1px solid var(--line)}.scoped-readonly-detail{margin-bottom:1rem}
html[data-theme="dark"] .schedule-scope-current{background:#263129}
@media(max-width:640px){.schedule-scope-control{grid-template-columns:1fr;margin-inline:-4px;padding:.85rem}.schedule-scope-current{min-height:54px}.scoped-calendar-row{grid-template-columns:minmax(0,1fr) auto}.report-range{grid-template-columns:1fr}.settlement-source-summary{margin-inline:0}}

/* Teacher lifecycle separation and fail-closed destructive actions. */
.btn.warning{border-color:color-mix(in srgb,var(--yellow) 60%,var(--line));background:#f8eed8;color:#765b20}
.teacher-section{display:grid;gap:10px}.teacher-section+.teacher-section{margin-top:26px;padding-top:18px;border-top:1px solid var(--line)}.teacher-section-head{margin-bottom:0}.teacher-section-head>div{display:flex;align-items:baseline;gap:9px}.teacher-list{display:grid;gap:8px}
.teacher-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;padding:13px;border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:7px;background:var(--surface)}.teacher-card.disabled{border-left-color:var(--muted);background:color-mix(in srgb,var(--surface) 88%,var(--paper))}
.teacher-card-main{display:grid;gap:5px;min-width:0;padding:0;border:0;background:transparent;color:inherit;text-align:left}.teacher-card-title{display:flex;align-items:center;flex-wrap:wrap;gap:7px}.teacher-card-main .meta{overflow-wrap:anywhere}.teacher-card-actions{display:flex;gap:7px}.teacher-card-actions .btn{min-width:72px}
.teacher-status-badge{display:inline-flex;width:max-content;padding:4px 8px;border-radius:999px;background:#f8eed8;color:#765b20;font-size:11px;font-weight:700}.teacher-status-badge.active{background:var(--soft-green);color:var(--teal)}
.teacher-detail-status{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;padding:10px 0;border-bottom:1px solid var(--line)}.teacher-detail-status small{color:var(--muted);text-align:right}
.teacher-lifecycle-zone{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:14px;margin-top:22px;padding-top:16px;border-top:1px solid var(--line)}.teacher-lifecycle-copy{display:grid;gap:6px}.teacher-lifecycle-label{color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.08em}.teacher-lifecycle-copy .teacher-status-badge{margin-top:1px}.teacher-lifecycle-copy p,.teacher-advanced-actions p{margin:0;color:var(--muted);font-size:12px;line-height:1.55}
.teacher-advanced-actions{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:16px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line)}.teacher-advanced-actions>div{display:grid;gap:4px}.teacher-advanced-actions>div>span{color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.08em}.teacher-advanced-actions strong{font-size:14px}.teacher-advanced-actions .btn{max-width:230px}.teacher-advanced-actions .btn:disabled{opacity:.62}.disabled-teachers .teacher-card-actions .btn:last-child{border-color:var(--teal)}
.teacher-delete-final-status{margin:12px 0 0;padding:10px 12px;border-radius:7px;background:var(--paper);color:var(--muted);font-size:12px;line-height:1.55}.teacher-delete-final-status+small{display:block;margin-top:6px}
.teacher-account-state{width:max-content;max-width:100%;font-size:11px;font-weight:700;color:var(--teal)}.teacher-account-state.unbound{color:#8f3b2f}.teacher-account-binding small{line-height:1.5}
html[data-theme="dark"] .btn.warning{background:#44391f;color:#e0c270}
@media(max-width:600px){.teacher-card{grid-template-columns:minmax(0,1fr);gap:10px}.teacher-card-actions{display:grid;grid-template-columns:1fr}.teacher-card-actions .btn{width:100%}.teacher-lifecycle-zone,.teacher-advanced-actions{grid-template-columns:1fr}.teacher-lifecycle-zone>.btn,.teacher-advanced-actions .btn{width:100%;max-width:none}.teacher-detail-status{align-items:flex-start}.teacher-detail-status small{max-width:70%;text-align:right}}

/* Account status ordering and controlled App-account removal. */
.account-status-section,.account-section-list{display:grid;gap:8px}.account-status-section+.account-status-section{margin-top:8px;padding-top:14px;border-top:1px solid var(--line)}.account-status-section .section-head h3{margin:0;font-size:16px}.account-row .account-delete-blocker{color:#8f3b2f}.account-row-actions{display:flex!important;grid-auto-flow:column;gap:7px!important;justify-content:end}.account-row-actions .btn{white-space:nowrap}
@media(max-width:640px){.account-row-actions{display:grid!important;grid-auto-flow:row;justify-content:stretch}.account-row-actions .btn{width:100%}}

/* Remaining localhost UX cleanup. */
.btn,.icon-btn{min-height:42px;border-radius:8px}.icon-btn{min-width:42px}.btn.danger.subtle{background:transparent;border-color:color-mix(in srgb,var(--danger) 48%,var(--line));color:var(--danger)}
.panel{border-radius:10px}.tabs{gap:4px;padding:4px;border:1px solid var(--line);border-radius:10px;background:var(--surface)}.tabs button{flex:1;min-height:44px;padding:10px 12px;border-radius:7px}.tabs button.active{border-bottom:0;background:var(--soft-green);box-shadow:inset 0 -3px 0 var(--teal)}
label.field{gap:6px;margin-bottom:14px}label.field small{line-height:1.5}input,select,textarea{min-height:44px;border-radius:8px;padding:10px 11px}input:focus,select:focus,textarea:focus{outline:3px solid color-mix(in srgb,var(--focus) 30%,transparent);outline-offset:1px;border-color:var(--focus)}
dialog{width:min(620px,calc(100% - 24px));max-height:calc(100dvh - 32px);border-radius:12px}dialog form>header{min-height:64px;padding:10px 14px 10px 18px}dialog form>header .icon-btn{min-width:44px;min-height:44px}#modalBody{max-height:calc(100dvh - 98px);overscroll-behavior:contain}
.settings-drawer{width:min(420px,100vw);max-width:100%}.settings-drawer-body{min-height:0;scrollbar-gutter:stable;padding:0 18px calc(32px + env(safe-area-inset-bottom))}
.teacher-detail-overview{display:grid;gap:10px;margin-bottom:14px;padding:12px;border:1px solid var(--line);border-radius:9px;background:var(--paper)}.teacher-detail-overview>div{display:flex;align-items:center;justify-content:space-between;gap:12px}.teacher-detail-overview>div:first-child small,.teacher-detail-overview>div:last-child span{color:var(--muted);font-size:12px}.teacher-detail-overview strong{text-align:right;overflow-wrap:anywhere}.teacher-detail-sheet{border-top:0}.teacher-detail-actions .btn{min-width:180px}
.teacher-lifecycle-zone{margin-top:18px;padding:16px;border:1px solid var(--line);border-radius:10px;background:var(--paper)}.teacher-lifecycle-state{display:flex;align-items:center;gap:8px}.teacher-lifecycle-state>strong{font-size:17px}.teacher-advanced-actions{margin-top:14px;padding:16px;border:1px dashed var(--line);border-radius:10px}
.teacher-form-section{margin:0 0 16px;padding:14px;border:1px solid var(--line);border-radius:10px;background:color-mix(in srgb,var(--surface) 88%,var(--paper))}.teacher-form-section-heading{margin-bottom:12px}.teacher-form-section-heading h2{margin:0;font-size:17px}.teacher-form-section-heading p{margin:3px 0 0;color:var(--muted);font-size:12px;line-height:1.5}.teacher-form-section .field:last-child{margin-bottom:0}.teacher-form-section>.section-head{margin-top:0}.teacher-subjects>small{display:block;color:var(--muted);line-height:1.5}
.account-row-copy{display:grid;gap:4px;min-width:0}.account-email{font-size:15px;line-height:1.35;overflow-wrap:anywhere}.account-meta-line,.account-binding-line{line-height:1.45}.account-row .account-role{font-weight:700;color:var(--ink)}.account-status-group{display:grid;justify-items:start;gap:3px}.account-status-group>small{color:var(--muted);font-size:10px;letter-spacing:.04em}
.access-gate{max-width:680px;margin:clamp(18px,6vh,64px) auto}.access-gate-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}.access-state-badge{max-width:48%;padding:5px 8px;border-radius:999px;background:var(--paper);color:var(--muted);font-size:11px;overflow-wrap:anywhere}.access-gate-steps strong{font-weight:700}.empty.compact{min-height:0;padding:18px 10px}.btn:focus-visible,.icon-btn:focus-visible,.tabs button:focus-visible,.teacher-card-main:focus-visible{outline:3px solid color-mix(in srgb,var(--focus) 35%,transparent);outline-offset:2px}
@media(max-width:640px){.settings-drawer{width:100vw}.settings-drawer-body{padding-inline:16px}.settings-drawer-header{min-height:64px}.account-row{gap:9px}.account-status-group{grid-row:auto}.account-row-actions{margin-top:2px}.teacher-form-section{margin-inline:-4px;padding:12px}.teacher-detail-overview>div{align-items:flex-start}.teacher-detail-overview>div:last-child{display:grid}.teacher-detail-overview strong{text-align:left}.teacher-detail-actions .btn{min-width:0;width:100%}.access-gate{margin:12px auto}.access-gate-heading{display:grid}.access-state-badge{max-width:100%}dialog{width:calc(100% - 16px);max-height:calc(100dvh - 16px);margin:auto}#modalBody{max-height:calc(100dvh - 80px)}}

/* Full product hardening: dialog header, body and actions have one owner each. */
#modal form{display:grid;grid-template-rows:auto minmax(0,1fr) auto;max-height:inherit;overflow:hidden}
#modal form>header{position:relative;top:auto}
#modalBody{min-height:0;max-height:none;overflow-y:auto;overflow-x:hidden;scroll-padding-block:16px}
#modalFooter.form-actions{position:relative;bottom:auto;z-index:3;margin:0;padding:12px 18px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--surface)}
#modalFooter.form-actions[hidden]{display:none}
@media(max-width:640px){#modal form{height:100%;grid-template-rows:auto minmax(0,1fr) auto}#modalBody{padding-bottom:18px;max-height:none}#modalFooter.form-actions{padding-inline:max(14px,env(safe-area-inset-left)) max(14px,env(safe-area-inset-right))}}