:root{
  --bg:#f6f4f0; --surface:#ffffff; --surface-2:#f0ece5; --line:#ddd6cb; --ink:#1f1b16; --ink-2:#5c544a; --ink-3:#6b6358;
  --primary:#7a2331; --primary-ink:#ffffff; --primary-soft:#f6e6e8;
  --ok:#2f6b3f; --ok-soft:#e3f0e6; --warn:#8a5a00; --warn-soft:#fbefd5; --bad:#9b2c2c; --bad-soft:#f8e1e1;
  --c-AN:#7a2331; --c-PY:#2c5d8f; --c-BC:#3d7a45; --c-CM:#8a5606; --c-X:#6b6459;
  --shadow:0 1px 2px rgba(0,0,0,.06),0 2px 8px rgba(0,0,0,.04);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#161412; --surface:#211e1b; --surface-2:#2a2622; --line:#3a352f; --ink:#f0ebe4; --ink-2:#c3b9ad; --ink-3:#8f867b;
    --primary:#e08a97; --primary-ink:#1b1210; --primary-soft:#3a2328;
    --ok:#8fcf9d; --ok-soft:#1f3326; --warn:#f0c26b; --warn-soft:#3a2f17; --bad:#f19a9a; --bad-soft:#3d2020;
    --c-AN:#e08a97; --c-PY:#8ab8e6; --c-BC:#8fcf9d; --c-CM:#f0c26b; --c-X:#b8afa3; --shadow:none;
  }
}
:root[data-theme="dark"]{
  --bg:#161412; --surface:#211e1b; --surface-2:#2a2622; --line:#3a352f; --ink:#f0ebe4; --ink-2:#c3b9ad; --ink-3:#8f867b;
  --primary:#e08a97; --primary-ink:#1b1210; --primary-soft:#3a2328;
  --ok:#8fcf9d; --ok-soft:#1f3326; --warn:#f0c26b; --warn-soft:#3a2f17; --bad:#f19a9a; --bad-soft:#3d2020;
  --c-AN:#e08a97; --c-PY:#8ab8e6; --c-BC:#8fcf9d; --c-CM:#f0c26b; --c-X:#b8afa3; --shadow:none;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font-family:"Source Sans 3",system-ui,sans-serif;font-size:16px;line-height:1.45}
button,input,select,textarea{font:inherit;color:inherit}
.wrap{max-width:1100px;margin:0 auto;padding:0 16px 8px}
header.top{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.top-in{max-width:1100px;margin:0 auto;padding:10px 16px;display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.brand{flex:1;min-width:200px}
.brand h1{font-family:"Source Serif 4",serif;font-size:19px;margin:0;color:var(--primary)}
.brand small{color:var(--ink-3);font-size:13px}
.role select{padding:6px 8px;border:1px solid var(--line);border-radius:8px;background:var(--surface);max-width:260px}
.demo-flag{background:var(--warn-soft);color:var(--warn);font-size:13px;text-align:center;padding:5px 16px}
nav.tabs{display:flex;gap:4px;max-width:1100px;margin:0 auto;padding:0 16px;overflow-x:auto}
nav.tabs button{border:0;background:none;padding:10px 12px;border-bottom:3px solid transparent;cursor:pointer;color:var(--ink-2);font-weight:600;white-space:nowrap}
nav.tabs button.on{color:var(--primary);border-bottom-color:var(--primary)}
.subjbar{display:flex;gap:6px;max-width:1100px;margin:0 auto;padding:8px 16px;overflow-x:auto;border-top:1px solid var(--line)}
.subjbar button{border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:4px 12px;font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;color:var(--ink-2)}
.subjbar button.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.subjbar .lbl{font-size:13px;color:var(--ink-3);align-self:center;white-space:nowrap}
h2{font-family:"Source Serif 4",serif;font-size:20px;margin:22px 0 8px}
h3{font-size:16px;margin:18px 0 8px}
.muted{color:var(--ink-3)} .small{font-size:13px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px;box-shadow:var(--shadow)}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.btn{border:1px solid var(--line);background:var(--surface);padding:8px 12px;border-radius:8px;cursor:pointer;font-weight:600}
.btn:hover{background:var(--surface-2)}
.btn.pri{background:var(--primary);color:var(--primary-ink);border-color:var(--primary)}
.btn.sm{padding:4px 9px;font-size:13px}
.btn.ghost{border-color:transparent;background:none}
.btn.danger{color:var(--bad)}
input[type=date],input[type=time],input[type=text],input[type=email],input[type=password],input[type=number],select,textarea{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:7px 9px;min-width:0}
input:disabled,select:disabled{background:var(--surface-2);color:var(--ink-2)}
textarea{width:100%;min-height:60px}
.daynav{margin:14px 0 6px}
.daynav .dlabel{font-family:"Source Serif 4",serif;font-size:18px;flex:1;min-width:180px}
.banner{border-radius:10px;padding:9px 12px;margin:8px 0;font-size:14px}
.banner.hol{background:var(--warn-soft);color:var(--warn)}
.banner.info{background:var(--surface-2);color:var(--ink-2)}
.slot{margin:10px 0}
.day-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(235px,1fr));gap:10px;margin-top:10px;align-items:start}
.sess-time{font-size:13px;font-weight:700;color:var(--ink-2);margin-bottom:4px;display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.sess-time .par{background:var(--primary-soft);color:var(--primary);border-radius:999px;padding:1px 8px;font-size:11.5px;font-weight:600}
.sess-acts{display:flex;gap:6px;margin-top:10px;flex-wrap:nowrap}
.sess-acts .btn{flex:1 1 auto;padding:7px 8px;white-space:nowrap}
.sess-acts .go{flex:1.6 1 auto}
.slot-h{font-size:13px;font-weight:700;color:var(--ink-2);margin:0 0 6px;display:flex;gap:8px;align-items:center}
.slot-h .par{background:var(--primary-soft);color:var(--primary);border-radius:999px;padding:1px 8px;font-size:12px}
.slot-g{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:8px}
.sess{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--sc,var(--c-X));border-radius:10px;padding:10px 12px;box-shadow:var(--shadow)}
.sess.cancelled{opacity:.6}
.sess.mine{outline:2px solid var(--primary);outline-offset:1px}
.sess .t{font-weight:700}
.sess .meta{font-size:14px;color:var(--ink-2)}
.chip{display:inline-block;font-size:12px;font-weight:700;padding:1px 8px;border-radius:999px;background:var(--surface-2);color:var(--ink-2);margin-right:4px}
.chip.planned{background:var(--warn-soft);color:var(--warn)}
.chip.conducted{background:var(--ok-soft);color:var(--ok)}
.chip.cancelled{background:var(--bad-soft);color:var(--bad)}
.chip.you{background:var(--primary);color:var(--primary-ink)}
.chip.subj{background:color-mix(in srgb,var(--sc) 16%,transparent);color:var(--sc)}
.chip.ext{background:var(--surface-2);color:var(--ink-2);border:1px dashed var(--ink-3)}
.empty{padding:26px;text-align:center;color:var(--ink-3);border:1px dashed var(--line);border-radius:12px}
.fab{position:fixed;right:18px;bottom:18px;z-index:30;border-radius:999px;padding:14px 20px;box-shadow:0 4px 14px rgba(0,0,0,.2)}
.week{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px}
.wday{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:8px;min-height:120px}
.wday h4{margin:0 0 6px;font-size:14px;display:flex;justify-content:space-between;gap:6px}
.wday h4[data-goday]{cursor:pointer}
.wday.hol{background:var(--warn-soft)}
.wday.today h4{color:var(--primary)}
.wit{font-size:13px;border-left:3px solid var(--sc,var(--c-X));padding:3px 6px;margin:4px 0;background:var(--surface-2);border-radius:4px}
.wit.cancelled{text-decoration:line-through;opacity:.6}
.wit.planned{border-left-style:dashed}
.wit.faded{opacity:.45}
@media (max-width:760px){.week{grid-template-columns:1fr}.wday{min-height:0}}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{border-bottom:1px solid var(--line);padding:7px 8px;text-align:left;vertical-align:top}
th{color:var(--ink-2);font-weight:700;background:var(--surface-2)}
tr.click{cursor:pointer} tr.click:hover td{background:var(--surface-2)}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:var(--surface)}
.bar{height:10px;border-radius:999px;background:var(--surface-2);overflow:hidden;position:relative;min-width:90px}
.bar i{display:block;height:100%;background:var(--sc,var(--primary))}
.bar b{position:absolute;top:-3px;bottom:-3px;width:2px;background:var(--ink)}
.kpis{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:8px}
.kpi{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.kpi .n{font-size:24px;font-weight:700}
.status-ok{color:var(--ok);font-weight:700}.status-warn{color:var(--warn);font-weight:700}.status-bad{color:var(--bad);font-weight:700}
.set-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:12px}
.list-item{display:flex;gap:8px;align-items:center;padding:6px 0;border-bottom:1px solid var(--line);font-size:14px}
.list-item:last-child{border-bottom:0}
.list-item .grow{flex:1;min-width:0}
.add-row{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px;align-items:center}
.add-row input[type=text],.add-row input[type=email],.add-row input[type=number],.add-row input[type=date],.add-row select{flex:1;min-width:110px}
.sec-h{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin:24px 0 8px}
.sec-h h2{margin:0}
dialog{border:0;border-radius:14px;padding:0;width:min(560px,calc(100vw - 24px));background:var(--surface);color:var(--ink);box-shadow:0 10px 40px rgba(0,0,0,.3)}
dialog::backdrop{background:rgba(0,0,0,.4)}
.dlg-h{padding:14px 16px;border-bottom:1px solid var(--line);font-weight:700;font-size:17px}
.dlg-b{padding:14px 16px;max-height:70vh;overflow-y:auto}
.dlg-f{padding:12px 16px;border-top:1px solid var(--line);display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}
.fg{margin-bottom:12px}
.fg label.l{display:block;font-size:13px;font-weight:700;color:var(--ink-2);margin-bottom:4px}
.fg2{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
.fg2b{display:grid;grid-template-columns:1fr 1fr;gap:8px}
@media (max-width:480px){.fg2{grid-template-columns:1fr 1fr}.fg2 .full{grid-column:1/-1}}
.fg2 > *, .fg2b > *{min-width:0}
.fg2 input,.fg2 select,.fg2b input,.fg2b select{width:100%}
.checks{display:flex;flex-wrap:wrap;gap:6px}
.checks label{border:1px solid var(--line);border-radius:999px;padding:4px 10px;font-size:14px;cursor:pointer;user-select:none}
.checks input{margin-right:4px}
.checks label.on{background:var(--primary-soft);border-color:var(--primary);color:var(--primary)}
.warns{background:var(--warn-soft);color:var(--warn);border-radius:8px;padding:8px 10px;font-size:14px;margin-bottom:10px}
.warns ul{margin:4px 0 0 18px;padding:0}
.mail{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px;margin:8px 0;font-size:14px}
.mail .hd{color:var(--ink-3);font-size:13px;margin-bottom:6px}
.log td{font-size:13px}
.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:9px 16px;border-radius:999px;font-size:14px;z-index:50;opacity:0;transition:opacity .2s;pointer-events:none;max-width:calc(100vw - 32px);text-align:center}
.toast.on{opacity:1}
dialog .toast{bottom:auto;top:16px}
.tt-head{display:flex;flex-wrap:wrap;margin-top:6px;border:1px solid var(--line);border-radius:6px;overflow:hidden;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px}
.tt-head span{padding:4px 8px;background:var(--surface-2);border-right:1px solid var(--line)}
.readonly-note{background:var(--surface-2);border-radius:10px;padding:8px 12px;font-size:14px;color:var(--ink-2);margin:10px 0}
.legend{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.sw{display:inline-flex;align-items:center;gap:5px;font-size:13px;color:var(--ink-2)}
.sw i{width:10px;height:10px;border-radius:3px;background:var(--sc)}
.toggle{display:inline-flex;align-items:center;gap:6px;font-size:14px;cursor:pointer}
.AN{--sc:var(--c-AN)}.PY{--sc:var(--c-PY)}.BC{--sc:var(--c-BC)}.CM{--sc:var(--c-CM)}.X{--sc:var(--c-X)}

/* ---- sign-in & app shell ---- */
.login{max-width:420px;margin:0 auto;padding:7vh 16px 0;min-height:100vh;box-sizing:border-box;display:flex;flex-direction:column}
.login[hidden]{display:none}
.login-band{position:fixed;top:0;left:0;right:0;height:6px;background:var(--primary);z-index:5}
.login-card{border-top:0}
.login-brand{display:flex;gap:12px;align-items:center;margin-bottom:12px}
.login-brand img{flex:none;border-radius:12px}
.eyebrow{font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-2);font-weight:700}
.login-points{list-style:none;padding:12px 14px;margin:0 0 16px;background:var(--surface-2);border-radius:10px;font-size:14px;color:var(--ink-2)}
.login-points li{padding:3px 0 3px 18px;position:relative}
.login-points li::before{content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--primary)}
.login-err:empty{display:none}
.login-err{background:var(--bad-soft);color:var(--bad);border-radius:10px;padding:10px 12px;font-size:14px;margin:0 0 12px}
.login-hint{margin:8px 2px 4px;text-align:center}
.login-more{margin-top:10px;border-top:1px solid var(--line);padding-top:10px}
.login-more summary{cursor:pointer;font-weight:600;color:var(--ink-2);font-size:14px;padding:6px 0;list-style:none;text-align:center}
.login-more summary::-webkit-details-marker{display:none}
.login-more summary::after{content:" ▾"}.login-more[open] summary::after{content:" ▴"}
.login-more[open] summary{margin-bottom:8px}
.login-who{border-top:1px solid var(--line);margin:16px 0 0;padding-top:12px}
.foot{text-align:center;color:var(--ink-3);font-size:12.5px;padding:18px 16px 24px;margin-top:auto}
.foot a{color:inherit}
.app-foot{margin-top:8px;padding-bottom:96px}
.top-logo{flex:none;border-radius:8px;align-self:center}
.login .card{padding:22px}
.login h1{font-family:"Source Serif 4",serif;color:var(--primary);font-size:22px;margin:0 0 4px}
.login input{width:100%;margin:6px 0 12px;font-size:17px;padding:10px 12px}
.login .btn{width:100%;padding:11px}

.whoami{display:flex;align-items:center;gap:8px;font-size:14px;flex-wrap:wrap}
.whoami b{font-weight:700}
.loading{padding:40px;text-align:center;color:var(--ink-3)}
.busy{opacity:.6;pointer-events:none}

/* ---- v2: header menu, mobile bottom nav, larger actions ---- */
.avatar{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--primary-soft);color:var(--primary);font-weight:700;cursor:pointer}
.whoami{position:relative}
.menu{position:absolute;right:0;top:46px;background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.15);padding:12px;min-width:220px;z-index:40}
.menu .btn{width:100%;margin-top:6px;min-height:42px}
.menu .who{font-size:15px;line-height:1.3}
.act{min-height:40px;padding:8px 12px;font-size:14px}
.act.go{border-color:var(--ok);color:var(--ok)}
.daynav.one{flex-wrap:nowrap}
.daynav .btn{min-width:44px;min-height:44px}
.datebtn{position:relative;flex:1;min-width:0;border:1px solid var(--line);border-radius:8px;background:var(--surface);min-height:44px;display:flex;align-items:center;justify-content:center;font-family:"Source Serif 4",serif;font-size:17px;padding:0 10px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;cursor:pointer}
.datebtn input{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer;border:0}
.seg{display:flex;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.seg button{flex:1;border:0;background:var(--surface);padding:10px 4px;font-weight:600;cursor:pointer;min-height:44px;color:var(--ink-2)}
.seg button+button{border-left:1px solid var(--line)}
.seg button.on{background:var(--primary);color:var(--primary-ink)}
.seg button.on[data-status="planned"]{background:var(--warn-soft);color:var(--warn)}
.seg button.on[data-status="conducted"]{background:var(--ok-soft);color:var(--ok)}
.seg button.on[data-status="cancelled"]{background:var(--bad-soft);color:var(--bad)}
#dlgWarn .warns{margin:4px 0 0}
details.banner summary{cursor:pointer;font-weight:600}
details.fold{margin-top:8px}
details.fold summary{cursor:pointer;color:var(--ink-2);font-size:14px;padding:6px 0}
.note-warn{color:var(--warn);font-size:13px;margin-top:6px}
.meter{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.meter .bar{margin:8px 0 4px;height:12px}
.meter.hi .bar i{background:var(--bad)} .meter.mid .bar i{background:var(--warn)} .meter.lo .bar i{background:var(--ok)}
.only-mobile{display:none}
#bnav{display:none}
.sheet-list .btn{width:100%;margin:4px 0;min-height:46px;text-align:left}
@media (max-width:760px){
  .top-in{padding:8px 16px}
  .brand h1{font-size:17px}
  .brand small{font-size:12px}
  #tabs{display:none}
  #bnav{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:35;background:var(--surface);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
  #bnav button{flex:1;border:0;background:none;padding:10px 2px 12px;font-size:13px;font-weight:600;color:var(--ink-2);min-height:56px;cursor:pointer;border-top:3px solid transparent}
  #bnav button.on{color:var(--primary);border-top-color:var(--primary)}
  .wrap{padding-bottom:8px}
  .app-foot{padding-bottom:130px}
  .fab{bottom:78px}
  .only-mobile{display:block}
  .only-desktop{display:none}
  .subjbar{padding:6px 16px}
}
@media (max-width:760px){ .btn.sm{min-height:36px;padding:6px 10px} .list-item{min-height:44px} }

.login .btn.google{display:flex;align-items:center;justify-content:center;gap:10px;background:var(--surface);border:1px solid var(--line);font-weight:600;min-height:48px}
.login .or{display:flex;align-items:center;gap:10px;color:var(--ink-3);font-size:13px;margin:14px 0 8px}
.login .or::before,.login .or::after{content:"";flex:1;border-top:1px solid var(--line)}

/* ---- marks ---- */
.mk-grid td{vertical-align:middle;padding:5px 8px}
.mk-grid tr.muted td{color:var(--ink-3)}
.mk-in{width:90px;text-align:right;font-size:17px;padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}
.mk-in.chg{border-color:var(--primary);background:var(--primary-soft)}
.mk-in.bad{border-color:var(--bad);background:var(--bad-soft)}
.mk-err{font-size:12px;color:var(--bad);min-height:0}
.mk-res td{vertical-align:top}
.savebar{position:sticky;bottom:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:10px 14px;margin-top:12px;box-shadow:0 -2px 10px rgba(0,0,0,.06)}
.savebar.on{border-color:var(--primary)}
@media (max-width:760px){.savebar{bottom:calc(60px + env(safe-area-inset-bottom))}}
.mk-stats{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:14px;color:var(--ink-2);background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:8px 12px;margin:10px 0}
@media (max-width:760px){.mk-res td,.mk-res th{padding:6px}.mk-res td:nth-child(2){min-width:110px}}