/* OS Author editor. Layout: top bar; outline | form | live preview on wide screens; one panel with a bottom tab bar on phones. */
:root{
  --bg:#F4F6FA; --panel:#FFFFFF; --sunk:#EEF1F6; --ink:#14213A; --muted:#5B6880; --faint:#8A95A8; --line:#DDE3EC; --line-2:#C9D1DD;
  --blue:#1F5FD1; --blue-2:#174BAA; --blue-soft:#E7EFFD; --ok:#1F8A4C; --ok-soft:#E3F4EA; --warn:#B46A00; --warn-soft:#FFF3DD; --bad:#C2412D; --bad-soft:#FCE8E4;
  --f:"IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif; --mono:"IBM Plex Mono", ui-monospace, Menlo, monospace;
  --r:10px; color-scheme:light;
}
*{box-sizing:border-box}
html,body,#root{height:100%;margin:0}
body{background:var(--bg);color:var(--ink);font:14px/1.45 var(--f);-webkit-font-smoothing:antialiased}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
svg.ic{width:16px;height:16px;flex:none;stroke-width:2}
h1,h2,h3{margin:0;font-weight:600;line-height:1.2}
p{margin:0}
a{color:var(--blue)}

/* buttons */
.b{text-decoration:none;color:var(--ink);display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 12px;border-radius:8px;border:1px solid var(--line-2);background:var(--panel);font-weight:500;white-space:nowrap}
.b:hover{border-color:var(--blue)}
.b.pri{background:var(--blue);border-color:var(--blue);color:#fff}
.b.pri:hover{background:var(--blue-2)}
.b.ghost{border-color:transparent;background:transparent}
.b.ghost:hover{background:var(--sunk);border-color:transparent}
.b.sm{height:28px;padding:0 8px;font-size:13px}
.b.icon{width:34px;padding:0;justify-content:center}
.b.sm.icon{width:28px}
.b.danger{color:var(--bad)}
.b[disabled]{opacity:.45;cursor:not-allowed}
.b.rec{background:var(--bad);border-color:var(--bad);color:#fff}

/* top bar */
.top{height:56px;display:flex;align-items:center;gap:10px;padding:0 12px;background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:8px;font-weight:600;font-size:15px;white-space:nowrap}
.brand-mark{width:28px;height:28px;border-radius:7px;background:var(--blue);display:grid;place-items:center;color:#fff}
.brand-mark svg{width:16px;height:16px}
.top .title{flex:1;min-width:0;display:flex;align-items:center;gap:8px}
.top .title input{border:1px solid transparent;background:transparent;font-weight:600;font-size:15px;padding:5px 8px;border-radius:6px;min-width:0;width:100%;max-width:520px}
.top .title input:hover,.top .title input:focus{border-color:var(--line-2);background:var(--panel)}
.save{font-size:12px;color:var(--faint);white-space:nowrap}
.save.err{color:var(--bad)}
.top .acts{display:flex;align-items:center;gap:6px}
.menu-wrap{position:relative}
.menu{position:absolute;right:0;top:40px;min-width:260px;background:var(--panel);border:1px solid var(--line);border-radius:10px;box-shadow:0 10px 30px rgba(20,33,58,.14);padding:6px;z-index:40}
.menu button,.menu a{display:flex;align-items:center;gap:8px;width:100%;text-align:left;padding:8px 10px;border:0;background:none;border-radius:6px;color:var(--ink);text-decoration:none}
.menu button:hover,.menu a:hover{background:var(--sunk)}
.menu .sep{height:1px;background:var(--line);margin:6px 4px}
.menu .lbl{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);padding:6px 10px 2px}

/* dashboard */
.dash{max-width:1080px;margin:0 auto;padding:28px 20px 60px}
.dash-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:20px}
.dash-head h1{font-size:24px}
.dash-head p{color:var(--muted);margin-top:4px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.ccard{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:10px;min-height:150px}
.ccard .sw{width:36px;height:6px;border-radius:3px}
.ccard h3{font-size:16px}
.ccard .meta{color:var(--muted);font-size:13px}
.ccard .row{display:flex;gap:6px;margin-top:auto;flex-wrap:wrap}
.empty{background:var(--panel);border:1px dashed var(--line-2);border-radius:12px;padding:40px 20px;text-align:center;color:var(--muted)}

/* editor layout */
.ed{display:grid;grid-template-columns:280px minmax(0,1fr) 440px;height:calc(100% - 56px)}
.pane{min-height:0;overflow:auto}
.outline{background:var(--panel);border-right:1px solid var(--line);padding:10px 8px 80px}
.form{padding:18px 22px 120px}
.prev{background:#E7EBF2;border-left:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.prev-bar{display:flex;align-items:center;gap:6px;padding:8px 10px;border-bottom:1px solid var(--line);background:var(--panel)}
.prev-bar .seg{display:flex;border:1px solid var(--line-2);border-radius:8px;overflow:hidden}
.prev-bar .seg button{border:0;background:var(--panel);height:28px;padding:0 10px;font-size:13px;display:flex;gap:5px;align-items:center}
.prev-bar .seg button.on{background:var(--blue-soft);color:var(--blue)}
.prev-stage{flex:1;min-height:0;display:flex;align-items:flex-start;justify-content:center;padding:14px;overflow:hidden;position:relative}
.frame{background:#fff;border-radius:22px;box-shadow:0 0 0 8px #1b2333,0 12px 30px rgba(0,0,0,.25);overflow:hidden;transform-origin:top center;flex:none}
.frame.desk{border-radius:8px;box-shadow:0 0 0 1px var(--line-2),0 12px 30px rgba(0,0,0,.18)}
.frame iframe{border:0;width:100%;height:100%;display:block;background:#fff}

/* outline */
.o-course,.o-sess,.o-scr{display:flex;align-items:center;gap:8px;width:100%;border:0;background:none;text-align:left;border-radius:7px;padding:7px 8px;color:var(--ink)}
.o-course:hover,.o-sess:hover,.o-scr:hover{background:var(--sunk)}
.o-course.on,.o-sess.on,.o-scr.on{background:var(--blue-soft);color:var(--blue)}
.o-course{font-weight:600;margin-bottom:6px}
.o-sess{font-weight:600;margin-top:6px}
.o-sess .n{width:22px;height:22px;border-radius:6px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:12px;flex:none}
.o-sess.on .n{background:var(--blue)}
.o-sess .t,.o-scr .t{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.o-scrs{margin:2px 0 4px 14px;padding-left:10px;border-left:1px solid var(--line)}
.o-scr{font-size:13px;padding:5px 6px}
.o-scr .ty{color:var(--faint);font-size:11px;font-family:var(--mono);flex:none}
.o-scr.on .ty{color:var(--blue)}
.o-scr .warn{color:var(--warn)}
.o-add{display:flex;gap:6px;padding:4px 6px}
.o-tools{display:flex;gap:2px;margin-left:auto}
.o-row{display:flex;align-items:center}
.o-row .o-tools{opacity:0}
.o-row:hover .o-tools,.o-row:focus-within .o-tools,.o-row.sel .o-tools{opacity:1}

/* forms */
.f-head{display:flex;align-items:flex-start;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.f-head h2{font-size:18px}
.f-head .sub{color:var(--muted);font-size:13px;margin-top:3px}
.f-head .grow{flex:1;min-width:200px}
.probs{background:var(--warn-soft);border:1px solid #F0D2A0;border-radius:8px;padding:8px 12px;margin-bottom:14px;font-size:13px}
.probs li{margin-left:16px}
.fs{display:flex;flex-direction:column;gap:14px;max-width:760px}
.fld{display:flex;flex-direction:column;gap:5px}
.fld>label,.fld>.lb{font-weight:500;font-size:13px}
.fld .help{color:var(--muted);font-size:12px}
.fld input[type=text],.fld input[type=number],.fld input[type=url],.fld select,.fld textarea{width:100%;border:1px solid var(--line-2);border-radius:8px;background:var(--panel);padding:7px 10px;min-height:36px}
.fld textarea{resize:vertical;min-height:64px;line-height:1.45}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}
.fld.chk{flex-direction:row;align-items:center;gap:8px}
.fld.chk input{width:16px;height:16px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.row3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.colorf{display:flex;gap:8px;align-items:center}
.colorf input[type=color]{width:40px;height:34px;padding:2px;border:1px solid var(--line-2);border-radius:8px;background:var(--panel)}
.colorf input[type=text]{flex:1}
.list{display:flex;flex-direction:column;gap:10px}
.item{border:1px solid var(--line);border-radius:10px;background:var(--panel)}
.item-h{display:flex;align-items:center;gap:6px;padding:6px 8px 6px 10px;border-bottom:1px solid transparent;cursor:pointer;user-select:none}
.item.open>.item-h{border-bottom-color:var(--line)}
.item-h .num{font-family:var(--mono);font-size:11px;color:var(--faint);width:20px}
.item-h .lt{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:500}
.item-h .chev{transition:transform .15s;color:var(--faint)}
.item.open>.item-h .chev{transform:rotate(90deg)}
.item-b{padding:12px;display:flex;flex-direction:column;gap:12px}
.item .item{background:var(--bg)}
.strs{display:flex;flex-direction:column;gap:6px}
.strs .sr{display:flex;gap:6px;align-items:center}
.strs .sr input{flex:1}
.icon-btn{display:flex;align-items:center;gap:8px;height:36px;border:1px solid var(--line-2);border-radius:8px;background:var(--panel);padding:0 10px;width:100%}
.icon-btn svg{width:18px;height:18px;color:var(--blue)}
.icon-btn .nm{font-family:var(--mono);font-size:12px;color:var(--muted)}
.media-f{border:1px dashed var(--line-2);border-radius:10px;padding:10px;display:flex;flex-direction:column;gap:8px;background:var(--panel)}
.media-f .row{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
.media-f .st{font-size:12px;color:var(--muted)}
.media-f .st.ok{color:var(--ok)}
.thumb{position:relative;max-width:320px;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:#fff}
.thumb img{display:block;width:100%}
.thumb i{position:absolute;border:2px solid #F2B713;box-shadow:0 0 0 999px rgba(10,20,40,.35)}
.tpl-pick{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:6px}
.tpl-pick button{border:1px solid var(--line-2);background:var(--panel);border-radius:8px;padding:8px 6px;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:12px}
.tpl-pick button svg{width:18px;height:18px;color:var(--muted)}
.tpl-pick button.on{border-color:var(--blue);background:var(--blue-soft);color:var(--blue)}
.tpl-pick button.on svg{color:var(--blue)}
.mini-vis{background:#0B2A4C;border-radius:8px;padding:10px;color:#EAF2FB;font-size:12px}
.badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;padding:2px 7px;border-radius:999px;background:var(--sunk);color:var(--muted);font-weight:500}
.badge.ok{background:var(--ok-soft);color:var(--ok)}
.badge.warn{background:var(--warn-soft);color:var(--warn)}
.note{background:var(--blue-soft);border-radius:8px;padding:10px 12px;font-size:13px;color:#1D3E7A}
.sec{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);font-weight:600;margin-top:8px}

/* modal */
.modal-wrap{position:fixed;inset:0;background:rgba(14,22,38,.45);z-index:60;display:flex;align-items:center;justify-content:center;padding:16px}
.modal{background:var(--panel);border-radius:14px;width:min(720px,100%);max-height:90vh;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.modal-h{display:flex;align-items:center;gap:8px;padding:14px 16px;border-bottom:1px solid var(--line)}
.modal-h h3{flex:1;font-size:16px}
.modal-b{padding:14px 16px;overflow:auto}
.modal-f{display:flex;justify-content:flex-end;gap:8px;padding:12px 16px;border-top:1px solid var(--line)}
.ipick{display:grid;grid-template-columns:repeat(auto-fill,minmax(78px,1fr));gap:6px;margin-top:10px}
.ipick button{border:1px solid var(--line);background:var(--panel);border-radius:8px;padding:8px 4px;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:10.5px;color:var(--muted);overflow:hidden}
.ipick button svg{width:22px;height:22px;color:var(--ink)}
.ipick button:hover{border-color:var(--blue)}
.hl-box{position:relative;user-select:none;touch-action:none;cursor:crosshair;max-width:100%}
.hl-box img{display:block;max-width:100%;max-height:60vh;pointer-events:none}
.hl-box i{position:absolute;border:2px solid #F2B713;background:rgba(242,183,19,.15)}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;z-index:80;max-width:min(560px,92vw);box-shadow:0 8px 24px rgba(0,0,0,.25)}
.toast.err{background:var(--bad)}
.tabs{display:none}

/* mid-size: preview becomes a slide-over */
@media (max-width:1240px){
  .ed{grid-template-columns:260px minmax(0,1fr)}
  .prev{position:fixed;right:0;top:56px;bottom:0;width:440px;z-index:30;box-shadow:-10px 0 30px rgba(0,0,0,.15);transform:translateX(100%);transition:transform .2s}
  .ed.show-prev .prev{transform:none}
}
@media (min-width:1241px){ .only-mid{display:none!important} }
/* phones: one panel at a time */
@media (max-width:820px){
  .top{gap:6px;padding:0 8px}
  .brand .wm,.save,.hide-sm{display:none}
  .ed{display:block;height:auto}
  .pane{display:none;min-height:calc(100vh - 56px - 58px)}
  .ed[data-tab="outline"] .outline,.ed[data-tab="form"] .form,.ed[data-tab="preview"] .prev{display:flex;flex-direction:column}
  .ed[data-tab="form"] .form{display:block}
  .outline{border-right:0}
  .form{padding:14px 14px 100px}
  .prev{position:static;transform:none;width:auto;box-shadow:none;height:calc(100vh - 56px - 58px)}
  .row2,.row3{grid-template-columns:1fr}
  .tabs{display:flex;position:fixed;left:0;right:0;bottom:0;height:58px;background:var(--panel);border-top:1px solid var(--line);z-index:30;padding-bottom:env(safe-area-inset-bottom,0px)}
  .tabs button{flex:1;border:0;background:none;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:11.5px;color:var(--muted)}
  .tabs button svg{width:20px;height:20px}
  .tabs button.on{color:var(--blue)}
  .only-mid{display:none!important}
  .menu{position:fixed;left:8px;right:8px;top:60px;min-width:0}
}

/* ===== v1: sign-in, navigation, course pages, reports ===== */
.badge.bad{background:var(--bad-soft);color:var(--bad)}
.badge svg{width:12px;height:12px}
.muted{color:var(--muted)}
.mono{font-family:var(--mono);font-size:12px}
.err{color:var(--bad);font-size:13px}
.auth{min-height:100%;display:flex;align-items:center;justify-content:center;padding:24px 16px;background:linear-gradient(160deg,#EAF0FB,#F4F6FA)}
.auth-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px;width:min(440px,100%);box-shadow:0 12px 40px rgba(20,33,58,.08)}
.auth-card h1{font-size:22px;margin-bottom:6px}
.auth-card .fs{gap:12px}
.auth-card input[type=email],.auth-card input[type=password]{width:100%;border:1px solid var(--line-2);border-radius:8px;padding:7px 10px;min-height:38px}
.auth-card .b{justify-content:center}
.mrow{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:10px;padding:12px;color:var(--ink);text-decoration:none}
.mrow:hover{border-color:var(--blue)}
.mrow span{flex:1;display:flex;flex-direction:column}
.mrow small{color:var(--muted)}
.mrow svg{width:20px;height:20px;color:var(--blue)}
.mainnav{display:flex;gap:2px;margin-left:12px}
.mainnav a{display:flex;align-items:center;gap:6px;padding:6px 10px;border-radius:8px;color:var(--muted);text-decoration:none;font-weight:500}
.mainnav a:hover{background:var(--sunk);color:var(--ink)}
.mainnav a.on{background:var(--blue-soft);color:var(--blue)}
.avatar{border-radius:50%!important;background:var(--ink)!important;color:#fff!important;font-weight:600;width:32px!important;height:32px!important;margin-left:6px}
.cnav{height:42px;display:flex;align-items:center;gap:2px;padding:0 12px;background:var(--panel);border-bottom:1px solid var(--line);overflow-x:auto;position:sticky;top:56px;z-index:19}
.cnav a{display:flex;align-items:center;gap:6px;padding:0 12px;height:42px;color:var(--muted);text-decoration:none;font-weight:500;border-bottom:2px solid transparent;white-space:nowrap}
.cnav a:hover{color:var(--ink)}
.cnav a.on{color:var(--blue);border-bottom-color:var(--blue)}
.cnav .cnt{background:var(--warn);color:#fff;border-radius:999px;font-size:11px;padding:0 6px;line-height:17px}
.ed{height:calc(100% - 98px)}
.ctname{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.filters{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.filters input,.filters select,.psec-h select,.psec-h input,.page-head select,.dash-head select{border:1px solid var(--line-2);border-radius:8px;padding:5px 10px;height:34px;background:var(--panel)}
.filters input{flex:1;min-width:180px;max-width:360px}
.ccard .row:first-child{margin:0}
.pick2{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.pick2 button{border:1.5px solid var(--line-2);background:var(--panel);border-radius:12px;padding:12px;text-align:left;display:grid;grid-template-columns:24px 1fr;gap:2px 10px;align-items:start}
.pick2 button svg{width:22px;height:22px;color:var(--blue);grid-row:span 2}
.pick2 button span{color:var(--muted);font-size:12.5px}
.pick2 button.on,.pick4 button.on{border-color:var(--blue);background:var(--blue-soft)}
.pick4{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.pick4 button{border:1.5px solid var(--line-2);background:var(--panel);border-radius:12px;padding:10px;display:flex;flex-direction:column;gap:6px;align-items:flex-start;font-weight:500}
.sws{display:flex;gap:3px}.sws i{width:18px;height:18px;border-radius:5px;display:block}
.page{max-width:1180px;margin:0 auto;padding:22px 20px 80px}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.page-head h1{font-size:22px}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.cols{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:16px;align-items:start}
.psec{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:16px}
.psec-h{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.psec-h h2{font-size:16px;display:flex;align-items:center;gap:8px}
.psec-h p{font-size:13px;width:100%}
.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th{text-align:left;font-weight:500;color:var(--muted);font-size:12px;padding:6px 8px;border-bottom:1px solid var(--line)}
.tbl td{padding:8px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl.sm td{padding:6px}
.tbl .r{text-align:right;white-space:nowrap}
.tbl tr.off td{opacity:.5}
.tbl tr.click{cursor:pointer}.tbl tr.click:hover td{background:var(--sunk)}
.tbl select{border:1px solid var(--line-2);border-radius:6px;padding:3px 6px;background:var(--panel)}
.psec{overflow-x:auto}
.dn{color:var(--bad)}
.radios{display:flex;flex-direction:column;gap:8px}
.radios label{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line-2);border-radius:10px;padding:10px 12px;cursor:pointer;font-weight:400}
.radios input{margin-top:3px}
.linkbox{display:flex;gap:6px;flex-wrap:wrap}
.linkbox input{flex:1;min-width:200px;border:1px solid var(--line-2);border-radius:8px;padding:0 10px;height:34px;font-family:var(--mono);font-size:12.5px;background:var(--sunk)}
textarea.code{width:100%;font-family:var(--mono);font-size:12px;border:1px solid var(--line-2);border-radius:8px;padding:8px;background:var(--sunk);margin-bottom:8px}
.explist{display:flex;flex-direction:column}
.explist a{display:flex;gap:8px;align-items:center;padding:7px 8px;border-radius:6px;color:var(--ink);text-decoration:none}
.explist a:hover{background:var(--sunk)}
.explist .lbl{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);padding:6px 8px 2px}
.explist .sep{height:1px;background:var(--line);margin:6px 0}
.menu-cols{display:grid;grid-template-columns:repeat(5,minmax(150px,1fr));gap:4px}
.menu.wide{min-width:min(820px,92vw)}
.cmt{display:inline-flex;align-items:center;gap:2px;color:var(--warn);font-size:11px}
.cmt svg{width:13px;height:13px}
.cblock{border:1px solid #F0D2A0;background:var(--warn-soft);border-radius:10px;padding:8px 12px;margin-bottom:14px}
.cblock summary{cursor:pointer;font-weight:500;display:flex;align-items:center;gap:8px}
.cblock[open] summary{margin-bottom:8px}
.cmt-i{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin-bottom:8px;display:flex;flex-direction:column;gap:6px}
.cmt-i.resolved{opacity:.65}
.cm-h{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px}
.cm-h span{color:var(--muted);font-size:12px}
.cmt-i audio,.cmt-i video{width:100%;max-height:220px;border-radius:8px}
.cm-r{border-left:3px solid var(--blue);padding-left:8px;font-size:13px}
.cm-rep{display:flex;gap:6px;flex-wrap:wrap}
.cm-rep input{flex:1;min-width:140px;border:1px solid var(--line-2);border-radius:8px;padding:0 10px;height:28px}
.round{border:1px solid var(--line);border-radius:10px;padding:10px;margin-bottom:10px}
.rrow{display:grid;grid-template-columns:1.4fr 1fr 130px 28px;gap:6px;margin-bottom:6px}
.rrow input,.rrow select{border:1px solid var(--line-2);border-radius:8px;padding:0 8px;height:34px;background:var(--panel)}
.fld input[type=date],.fld input[type=email],.fld input[type=password]{width:100%;border:1px solid var(--line-2);border-radius:8px;background:var(--panel);padding:7px 10px;min-height:36px}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-bottom:16px}
.tile{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:flex;flex-direction:column;gap:2px}
.tile small{color:var(--muted);font-size:12px}
.tile b{font-size:24px;font-weight:600}
.tile span{color:var(--faint);font-size:12px}
.tile.warn b{color:var(--warn)}
.dash.wide{max-width:1240px}
.funnel{display:flex;flex-direction:column;gap:3px;max-height:640px;overflow:auto}
.fsess{font-weight:600;font-size:12.5px;margin-top:8px}
.frow{display:grid;grid-template-columns:minmax(120px,1.2fr) 2fr 60px 50px;gap:8px;align-items:center;font-size:12.5px}
.fl{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fb2{height:12px;background:var(--sunk);border-radius:6px;overflow:hidden}
.fb2 i{display:block;height:100%;background:var(--blue);border-radius:6px}
.fn{text-align:right;font-family:var(--mono);font-size:12px}
.fn small{font-size:11px}
.ft2{color:var(--faint);font-size:11.5px;text-align:right}
.dist{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;height:150px;align-items:end}
.dist div{display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:3px}
.dist span{display:block;width:100%;background:var(--blue);border-radius:6px 6px 0 0;min-height:2px}
.dist b{font-size:13px}.dist small{color:var(--faint);font-size:11px}
.prog{display:inline-block;width:70px;height:8px;background:var(--sunk);border-radius:4px;overflow:hidden;vertical-align:middle}
.prog i{display:block;height:100%;background:var(--blue)}
.smap{overflow-x:auto;border:1px solid var(--line);border-radius:10px;padding:8px;background:var(--bg)}
.ovsum{display:flex;gap:4px;flex-wrap:wrap}
/* overlay editor */
.ove{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(260px,1fr);gap:14px}
.ove-stage{position:relative;background:#000;border-radius:8px;overflow:hidden;max-height:60vh;margin:0 auto;width:100%}
.ove-stage video,.ove-stage img{width:100%;height:100%;object-fit:contain;display:block}
.ove-layer{position:absolute;inset:0}
.ob{position:absolute;border:2px dashed rgba(255,255,255,.85);background:rgba(31,95,209,.25);color:#fff;font-size:11px;padding:2px 4px;overflow:hidden;cursor:move;touch-action:none;border-radius:4px;text-shadow:0 1px 2px #000}
.ob.on{border-style:solid;border-color:#F2B713}
.ob-highlight{background:transparent;border-color:#F2B713}
.ob-info{border-radius:50%;display:grid;place-items:center;font-size:16px;font-weight:700;background:#F2B713;color:#14213A;text-shadow:none}
.ob-hotspot{background:rgba(31,138,76,.3)}
.ob-question,.ob-branch{background:rgba(20,33,58,.7)}
.ob .rz{position:absolute;right:0;bottom:0;width:12px;height:12px;background:#F2B713;cursor:nwse-resize}
.ove-ctl{display:flex;gap:8px;align-items:center;margin:8px 0}
.ove-ctl input{flex:1}
.ove-add{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin:8px 0}
.ove-list{display:flex;flex-direction:column;gap:3px;margin-bottom:10px;max-height:200px;overflow:auto}
.ove-list button{display:flex;gap:8px;align-items:center;border:1px solid var(--line);background:var(--panel);border-radius:8px;padding:6px 8px;text-align:left}
.ove-list button span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.ove-list button.on{border-color:var(--blue);background:var(--blue-soft)}
.ove-list small{color:var(--faint);font-family:var(--mono)}
.ove-fh{display:flex;align-items:center;gap:6px;margin-bottom:8px}
#oform .fld{margin-bottom:10px}
@media (max-width:980px){ .cols,.ove{grid-template-columns:1fr} .menu-cols{grid-template-columns:repeat(2,1fr)} }
@media (max-width:820px){
  .mainnav span{display:none}
  .mainnav{margin-left:4px}
  .cnav{top:56px}
  .ed{height:auto}
  .pick2,.pick4{grid-template-columns:1fr 1fr}
  .rrow{grid-template-columns:1fr 1fr}
  .page{padding:16px 12px 80px}
  .frow{grid-template-columns:minmax(90px,1fr) 1.2fr 50px}
  .ft2{display:none}
  .menu.wide{min-width:0}
}

.outline{overflow-x:hidden}
.o-row>.o-sess,.o-row>.o-scr{flex:1;min-width:0;width:auto}
.o-row .o-tools{display:none;opacity:1}
.o-row:hover .o-tools,.o-row:focus-within .o-tools,.o-row.sel .o-tools{display:flex}
@media (hover:none){.o-row .o-tools{display:none}.o-row.sel .o-tools{display:flex}}
.b.pri{color:#fff}