:root{
  --bg:#f5f7fa; --card:#fff; --ink:#1b2430; --muted:#5d6b7a; --line:#dde3ea;
  --brand:#0f4c81; --brand-ink:#fff;
  --ok:#1f7a4d; --ok-bg:#e3f4ea; --warn:#9a5b00; --warn-bg:#fff2dc;
  --bad:#b3261e; --bad-bg:#fde7e5; --info:#1c5d99; --info-bg:#e4effa;
  --radius:12px;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.45 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
button,input,select,textarea{font:inherit;color:inherit}
[hidden]{display:none!important}

.bar{position:sticky;top:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 16px;padding-top:max(10px,env(safe-area-inset-top));background:var(--card);border-bottom:1px solid var(--line)}
.logo{height:32px;width:auto}
.who{position:relative;display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted)}
.menu{position:absolute;right:0;top:32px;background:var(--card);border:1px solid var(--line);border-radius:10px;box-shadow:0 6px 24px rgba(0,0,0,.12);min-width:180px;overflow:hidden}
.menu button{display:block;width:100%;text-align:left;padding:12px 14px;border:0;background:none}
.menu button:hover{background:var(--bg)}

main{max-width:720px;margin:0 auto;padding:16px 16px 120px}
h1{font-size:22px;margin:8px 0 16px}
h2{font-size:18px;margin:0 0 12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.form{display:flex;flex-direction:column;gap:12px}
.form label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--muted)}
input,select,textarea{border:1px solid var(--line);border-radius:10px;padding:12px;background:#fff;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand);outline-offset:1px}
.hint{color:var(--muted);font-size:14px}
.err{color:var(--bad);min-height:1.2em;margin:0;font-size:14px}

button{cursor:pointer;border-radius:10px;border:1px solid transparent;padding:12px 16px;min-height:44px}
.primary{background:var(--brand);color:var(--brand-ink);font-weight:600}
.primary:disabled{opacity:.55;cursor:default}
.ghost{background:var(--card);border-color:var(--line)}
.small{padding:8px 12px;min-height:36px;font-size:14px}
.link{background:none;border:0;color:var(--brand);padding:6px 0;min-height:auto}
.row{display:flex;align-items:center}
.gap{gap:10px}
.grow{flex:1}
.end{justify-content:flex-end}

.weeknav{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.weeknav .range{font-weight:600}
.weeknav .ghost{font-size:22px;width:48px;padding:6px}
#adminFilter{margin-bottom:12px}
#adminFilter label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}

.list{display:flex;flex-direction:column;gap:14px}
.day h3{font-size:14px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin:6px 2px 8px}
.day.today h3{color:var(--brand)}
.session{display:flex;align-items:center;gap:12px;width:100%;text-align:left;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;margin-bottom:8px}
.session:active{background:var(--bg)}
.session .t{font-weight:700;min-width:54px}
.session .c{flex:1}
.session .c .n{font-weight:600}
.session .c .m{font-size:13px;color:var(--muted)}
.badge{font-size:12px;font-weight:600;padding:4px 8px;border-radius:999px;white-space:nowrap}
.b-done{background:var(--ok-bg);color:var(--ok)}
.b-part{background:var(--warn-bg);color:var(--warn)}
.b-todo{background:var(--info-bg);color:var(--info)}
.b-empty{background:var(--bg);color:var(--muted)}
.session.empty-slot{opacity:.6}
.empty{color:var(--muted);text-align:center;padding:32px 0}

.back{margin-bottom:8px}
.lessonhead .lh-title{font-size:18px;font-weight:700}
.lessonhead .lh-meta{color:var(--muted);font-size:14px;margin-top:2px}
.lessonhead .lh-rule{font-size:13px;color:var(--muted);margin-top:8px}
.tools{margin:12px 0;flex-wrap:wrap}
#makeupBox{margin-bottom:12px}
.results{display:flex;flex-direction:column;margin-top:8px}
.results button{text-align:left;background:none;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:10px 4px}
.results .none{color:var(--muted);font-size:14px;padding:8px 4px}

.roster{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.stu{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px}
.stu.dirty{border-color:var(--brand)}
.stu .top{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.stu .nm{font-weight:600}
.stu .sub{font-size:13px;color:var(--muted)}
.stu .bal{font-size:12px;font-weight:600;padding:3px 8px;border-radius:999px;background:var(--bg);color:var(--muted);white-space:nowrap}
.stu .bal.low{background:var(--bad-bg);color:var(--bad)}
.stu .tag{font-size:12px;padding:2px 6px;border-radius:6px;background:var(--info-bg);color:var(--info);margin-left:6px}
.seg{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:10px}
.seg button{padding:10px 4px;border:1px solid var(--line);background:#fff;font-weight:600;font-size:15px}
.seg button[aria-pressed="true"][data-s="present"],.seg button[aria-pressed="true"][data-s="makeup"]{background:var(--ok);border-color:var(--ok);color:#fff}
.seg button[aria-pressed="true"][data-s="absent"]{background:var(--bad);border-color:var(--bad);color:#fff}
.seg button[aria-pressed="true"][data-s="leave"]{background:var(--warn);border-color:var(--warn);color:#fff}
.stu .note{margin-top:8px}
.stu .note input{padding:8px 10px;font-size:14px}
.stu .notebtn{font-size:13px;margin-top:6px}
.lessonnote{display:flex;flex-direction:column;gap:6px;margin-top:14px;font-size:14px;color:var(--muted)}

.savebar{position:fixed;left:0;right:0;bottom:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 16px;padding-bottom:max(12px,env(safe-area-inset-bottom));background:var(--card);border-top:1px solid var(--line)}
.savebar #saveState{font-size:14px;color:var(--muted)}
.savebar .primary{min-width:170px}

dialog{border:0;border-radius:16px;padding:20px;width:min(92vw,460px)}
dialog::backdrop{background:rgba(0,0,0,.35)}
/* keep Save / Cancel visible on long forms: the button row sticks to the bottom of the dialog */
dialog form > .row.end:last-child{position:sticky;bottom:-20px;z-index:2;margin:12px -20px -20px;padding:12px 20px;
  padding-bottom:max(12px,env(safe-area-inset-bottom));background:var(--card);border-top:1px solid var(--line);border-radius:0 0 16px 16px}
.toast{position:fixed;left:50%;bottom:88px;transform:translateX(-50%);background:#1b2430;color:#fff;padding:10px 16px;border-radius:999px;font-size:14px;z-index:10;max-width:90vw}

/* admin tabs */
/* centred when they fit; when they don't (phones) the first tab stays reachable by scrolling */
.tabs::before,.tabs::after{content:'';margin:auto}
.tabs{position:sticky;top:53px;z-index:4;display:flex;gap:4px;justify-content:flex-start;background:var(--card);border-bottom:1px solid var(--line);padding:0 8px;overflow-x:auto}
.tabs a{padding:12px 14px;color:var(--muted);text-decoration:none;font-weight:600;font-size:15px;border-bottom:3px solid transparent;white-space:nowrap}
.tabs a.on{color:var(--brand);border-bottom-color:var(--brand)}
.tabs .cnt{display:inline-block;min-width:20px;padding:0 6px;border-radius:999px;background:var(--bad);color:#fff;font-size:12px;line-height:20px;text-align:center}
.filt{margin-bottom:12px}
.filt label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}
.lv,.gd{display:flex;flex-direction:column;gap:8px}
.lv .top,.gd .top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.lv .nm,.gd .nm{font-weight:600}
.lv .sub,.gd .sub{font-size:13px;color:var(--muted);font-weight:400}
.lv .reason{font-size:15px}
.acts{flex-wrap:wrap}
.acts input{flex-basis:100%;padding:8px 10px}
.lv .acts button{flex:1}
.gd .kids{margin:0;padding-left:18px;font-size:15px}
.st-Pending{background:var(--warn-bg);color:var(--warn)}
.st-Approved{background:var(--ok-bg);color:var(--ok)}
.st-Rejected{background:var(--bad-bg);color:var(--bad)}
.st-Cancelled{background:var(--bg);color:var(--muted)}
.btnlink{display:inline-flex;white-space:nowrap;font-weight:600;align-items:center;justify-content:center;border-radius:10px;padding:12px 16px;text-decoration:none}
.vis{font-size:12px;font-weight:600;color:var(--info);background:var(--info-bg);border-radius:999px;padding:2px 8px;margin-left:6px}
#pinMsg{font-size:14px;resize:vertical}

/* ---------- admin screens ---------- */
main{max-width:860px}
.filters{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:10px}
.filters input[type=search]{flex:1 1 220px;width:auto}
.filters select{width:auto;flex:0 1 auto}
.filters .grow{flex:1}
.list.tight{gap:8px}
.rowcard{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;width:100%;text-align:left;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px}
button.rowcard:active{background:var(--bg)}
.rowcard .c{display:flex;flex-direction:column;gap:2px;flex:1;min-width:0}
.rowcard .n{font-weight:600}
.rowcard .m{font-size:13px;color:var(--muted)}
.rowcard .right{display:flex;flex-direction:column;align-items:flex-end;gap:6px}
.rowcard.inactive{opacity:.55}
.sub{font-size:13px;color:var(--muted);font-weight:400}
.st-Active{background:var(--ok-bg);color:var(--ok)}
.st-Trial{background:var(--info-bg);color:var(--info)}
.st-Paused{background:var(--warn-bg);color:var(--warn)}
.st-Inactive,.st-Withdrawn{background:var(--bg);color:var(--muted)}
.role-ceo{background:#efe6fb;color:#5b2a9c}
.role-admin{background:var(--info-bg);color:var(--info)}
.role-teacher{background:var(--bg);color:var(--muted)}
a.session{text-decoration:none;color:inherit}
.warnt{color:var(--warn)!important;font-weight:600}
.row.between{justify-content:space-between}
.row.wrap{flex-wrap:wrap}
.danger{color:var(--bad)}
.primary.danger{background:var(--bad);border-color:var(--bad);color:#fff}
dialog.ask{width:min(92vw,400px)}
dialog.ask #askMsg{white-space:pre-line;margin:4px 0 8px;font-size:16px}
dialog.ask textarea{width:100%;margin-top:4px}
.inl{display:inline-flex!important;flex-direction:row!important;align-items:center;gap:6px;font-size:14px;color:var(--ink)}
.inl input[type=checkbox]{width:18px;height:18px}
.inl input[type=date]{width:auto;padding:6px 8px}
.lastd{width:auto!important;padding:6px 8px!important;font-size:13px}
.sec2{margin-top:18px}
.sec2 h3{font-size:14px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin:0 2px 8px}
ul.plain{list-style:none;margin:0;padding:0;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
ul.plain li{padding:10px 14px;border-top:1px solid var(--line);gap:10px}
ul.plain li:first-child{border-top:0}
.addbox{margin-bottom:8px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip2{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:4px 10px;font-size:13px}
dialog.wide{width:min(94vw,680px)}
dialog h3{font-size:15px;margin:6px 0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px 12px}
@media (max-width:560px){.grid2{grid-template-columns:1fr}}
fieldset{border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin:0}
legend{font-size:13px;color:var(--muted);padding:0 4px}
.checks{display:flex;flex-direction:column;gap:6px}
#sfEnr{margin-bottom:8px}
#sfEnr li{display:flex;flex-wrap:wrap}
#cdStudents li{flex-wrap:wrap}
a.session .c{display:flex;flex-direction:column;gap:1px}

/* ---------- class report ---------- */
.report{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.report h2{font-size:17px;margin:0}
.photos{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:8px}
.photos:empty{display:none}
.photos figure{position:relative;margin:0;aspect-ratio:1;border-radius:10px;overflow:hidden;background:var(--bg)}
.photos img{width:100%;height:100%;object-fit:cover;display:block}
.photos .del{position:absolute;top:4px;right:4px;min-height:auto;padding:2px 8px;border-radius:999px;background:rgba(0,0,0,.6);color:#fff;border:0;font-size:13px}
.photos .up{display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--muted)}
.filebtn{display:inline-flex;align-items:center;cursor:pointer;border:1px solid var(--line);border-radius:10px;background:var(--card)}
.lbl{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--muted)}
.rpstu{border-top:1px solid var(--line);padding-top:10px;margin-top:4px;display:flex;flex-direction:column;gap:6px}
.rpstu .top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.rpstu .nm{font-weight:600;color:var(--ink)}
.rpstu .raw{font-size:13px;color:var(--muted)}
.rpstu textarea{font-size:15px}
.badge.st-Draft{background:var(--warn-bg);color:var(--warn)}
.badge.st-Published{background:var(--ok-bg);color:var(--ok)}
.badge.st-None{background:var(--bg);color:var(--muted)}

/* ---------- lesson ops ---------- */
.banner{margin-top:10px;padding:10px 14px;border-radius:10px;background:var(--info-bg);color:var(--info);font-weight:600}
.banner.bad{background:var(--bad-bg);color:var(--bad)}
.lsadmin{margin-top:10px}
.lsadmin summary{cursor:pointer;font-weight:600;color:var(--brand)}
.lsadmin .form{margin-top:12px}
.lsadmin label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}
.lsadmin input[type=date],.lsadmin input[type=time]{width:auto}
.tag{display:inline-block;font-size:12px;padding:2px 6px;border-radius:6px;background:var(--info-bg);color:var(--info);font-weight:600}
.tag.ok,.stu .tag.ok{background:var(--ok-bg);color:var(--ok)}
.session.cancelled .n,.session.cancelled .t{text-decoration:line-through;color:var(--muted)}
.session .n .tag{margin-left:6px;font-weight:600}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px;margin-bottom:6px}
.tile{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:12px}
.tile .num{font-size:24px;font-weight:700}
.tile .lbl{font-size:13px;color:var(--muted)}
.tile.warn .num{color:var(--warn)}
.tile.ok .num{color:var(--ok)}
.mklist{display:flex;flex-direction:column;gap:6px;max-height:55vh;overflow:auto}
.mklist h3{font-size:13px;color:var(--muted);text-transform:uppercase;margin:8px 2px 2px}
.rowcard.picked{border-color:var(--brand);box-shadow:0 0 0 2px var(--info-bg)}
.mkrow{align-items:center}
#hoForm{align-items:end}
.mklist > *{flex-shrink:0}

/* ---------- hours ---------- */
.badge.b-low{background:var(--warn-bg);color:var(--warn)}
#sfHours{border-top:1px solid var(--line);padding-top:6px}
.hbox{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.hbig{font-size:28px;font-weight:700}
.hbig.low{color:var(--warn)} .hbig.neg{color:var(--bad)}
.hist{max-height:260px;overflow:auto;margin-top:8px;font-size:14px}
.hist .neg{color:var(--bad)} .hist .pos{color:var(--ok)}

/* ---------- payments ---------- */
.pay{display:flex;flex-direction:column;gap:8px}
.pay .top{display:flex;justify-content:space-between;gap:10px;align-items:flex-start}
.pay .nm{font-weight:600}
.paybody{align-items:flex-start}
.shot img{width:96px;height:128px;object-fit:cover;border-radius:8px;border:1px solid var(--line);display:block}
.pay .ai{display:flex;flex-direction:column;gap:4px;flex:1;min-width:180px}
.pay .acts input[type=date]{width:auto;padding:6px 8px}
.pay .acts .note{min-width:160px;padding:8px 10px}
.checks.cols{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:6px}
#pkList li.off{opacity:.55}
.qrprev{width:140px;height:140px;object-fit:contain;border:1px solid var(--line);border-radius:8px;background:#fff}

/* ---------- voice, video, worksheet ---------- */
.mic{min-height:36px;min-width:40px;padding:4px 8px;border-radius:999px;border:1px solid var(--line);background:var(--card);font-size:16px;line-height:1}
.micbar{position:fixed;left:50%;bottom:84px;transform:translateX(-50%);z-index:20;display:flex;align-items:center;gap:10px;width:min(94vw,440px);background:#1b2430;color:#fff;border-radius:999px;padding:8px 10px 8px 16px;box-shadow:0 6px 24px rgba(0,0,0,.25)}
.micbar .dot{width:10px;height:10px;border-radius:50%;background:#e5484d;animation:blink 1s infinite}
.micbar .link{color:#cbd5e1}
@keyframes blink{50%{opacity:.3}}
.videos{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.videos:empty{display:none}
.vid{position:relative;margin:0;border-radius:10px;overflow:hidden;background:#000}
.vid video{width:100%;max-height:220px;display:block}
.vid.up{display:flex;align-items:center;justify-content:center;min-height:90px;color:#fff;font-size:13px}
.vid .del{position:absolute;top:4px;right:4px;min-height:auto;padding:2px 8px;border-radius:999px;background:rgba(0,0,0,.6);color:#fff;border:0}
.wsrow{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;font-size:14px}
.lessonnote .row.between{display:flex;align-items:center;gap:8px}
#micLabel{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:14px}

/* report review */
.badge.st-Submitted{background:var(--info-bg);color:var(--info)}
#rpReview{margin:8px 0}
.rv .top{display:flex;justify-content:space-between;gap:8px;align-items:flex-start}
.rv .note{margin-top:6px;font-size:14px}
#rpBox.locked .del,#rpBox.locked .filebtn,#rpBox.locked #rpGen,#rpBox.locked #rpSave,#rpBox.locked #rpPub,#rpBox.locked .wsrow button,#rpBox.locked .rpgen{display:none!important}