/* StudieSync Admin. The design tokens (--bg, --panel, --ink, --accent, radii, shadows, font) come from /theme.css, which is read
   from the student app's v5.css at request time, so both always look the same. The values below are only a fallback. */
:root{--bg:#F7F7F8;--panel:#FFFFFF;--side:#FBFBFC;--ink:#111318;--ink2:#3C4048;--mute:#6B7079;--faint:#9AA0A8;--line:#E8E9EC;--line2:#F0F1F3;--hover:#F3F4F6;--accent:#1F5C3E;--accent2:#2F7A54;--ring:0 0 0 3px #1f5c3e22;--sh1:0 1px 2px #1018280d;--sh2:0 1px 2px #1018280a,0 6px 20px -6px #1018281f;--r1:9px;--r2:12px;--r3:14px;--r4:16px;--font:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
*{box-sizing:border-box}
html{color-scheme:light}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 var(--font);-webkit-font-smoothing:antialiased}
a{color:var(--accent)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
svg.i{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}

/* shell, same grid and sidebar as the student app */
.app{display:grid;grid-template-columns:248px minmax(0,1fr);min-height:100vh;min-height:100dvh;background:linear-gradient(90deg,var(--side) 247px,var(--line) 247px 248px,transparent 248px)}
.side{background:var(--side);border-right:1px solid var(--line);padding:14px 12px;display:flex;flex-direction:column;gap:2px;position:sticky;top:0;height:100vh;height:100dvh;overflow-y:auto;font-size:14.5px}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 14px;font-weight:700;font-size:15px;letter-spacing:-.006em;color:var(--ink);text-decoration:none}
.tag{font-size:11px;font-weight:700;color:var(--accent);background:#E8F3EC;border-radius:999px;padding:1px 8px}
.logo{width:28px;height:28px;border-radius:8px;overflow:hidden;display:grid;place-items:center;box-shadow:inset 0 1px 0 #ffffff33,var(--sh1);flex:none;background:linear-gradient(135deg,#2F7A54,#163F2B)}
.logo img{display:block;width:28px;height:28px}
.nav{display:flex;flex-direction:column;gap:2px}
.nav a{display:flex;align-items:center;gap:10px;padding:7px 10px;border-radius:8px;color:var(--ink2);font-weight:500;text-decoration:none;min-width:0}
.nav a:hover{background:var(--hover)}
.nav a.on{background:#fff;color:var(--ink);font-weight:600;box-shadow:var(--sh1),inset 0 0 0 1px var(--line)}
.lbl{font-size:11px;font-weight:600;color:var(--mute);text-transform:uppercase;letter-spacing:.06em;margin:18px 10px 6px}
.me-wrap{margin-top:auto;display:flex;flex-direction:column;gap:2px}
.me{display:flex;align-items:center;gap:10px;padding:8px;border-radius:10px;color:var(--ink);text-decoration:none;min-width:0}
.me:hover{background:var(--hover)}.me.on{background:#fff;box-shadow:var(--sh1),inset 0 0 0 1px var(--line)}
.av{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,#d7e8de,#a9cbb6);color:#1F5C3E;display:grid;place-items:center;font-weight:700;font-size:12px;flex:none}
.me .who{min-width:0}.me .who b,.me .who small{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.me .who b{font-weight:600;font-size:13.5px}.me .who small{color:var(--mute);font-size:12px}
.me-wrap form{margin:0 8px}
.main{min-width:0;padding:28px clamp(16px,3vw,40px) 48px;max-width:1240px;width:100%}

/* content */
h1{font-size:26px;font-weight:800;letter-spacing:-.02em;margin:0 0 16px;line-height:1.2}
h2{font-size:15.5px;font-weight:700;margin:0 0 12px}h3{font-size:12px;font-weight:600;margin:16px 0 6px;color:var(--mute);text-transform:uppercase;letter-spacing:.06em}
.muted,small{color:var(--mute)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r3);padding:18px;margin:0 0 16px;box-shadow:var(--sh1)}
.card.warn{background:#FFF8E6;border-color:#F0DDA6}.card.danger{border-color:#EBC6C2}
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;margin:0 0 16px}
.tile{background:var(--panel);border:1px solid var(--line);border-radius:var(--r3);padding:14px 16px;display:flex;flex-direction:column;gap:2px;min-width:0;box-shadow:var(--sh1)}
.tile.warn{background:#FFF8E6;border-color:#F0DDA6}
.tile .n{font-size:30px;font-weight:800;letter-spacing:-.02em;line-height:1.15}.tile .n.small{font-size:17px;font-weight:700;overflow-wrap:anywhere;letter-spacing:0}
.tile .l{font-weight:600;font-size:13.5px}.tile small{font-size:12.5px}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line2);vertical-align:top}
th{color:var(--mute);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em;border-bottom-color:var(--line)}
tbody tr:hover{background:var(--side)}tbody tr:last-child td{border-bottom:0}
.scroll{overflow-x:auto;background:var(--panel);border:1px solid var(--line);border-radius:var(--r3);box-shadow:var(--sh1)}.scroll table{min-width:720px}
.card table{margin:0 -4px;width:calc(100% + 8px)}
.badge{display:inline-block;padding:1px 9px;border-radius:999px;font-size:12px;font-weight:600;background:var(--hover);color:var(--ink2)}
.badge.good{background:#E8F3EC;color:var(--accent)}.badge.bad{background:#FDECEA;color:#B3261E}
.ok{color:var(--accent);font-weight:600}.bad-text{color:#B3261E;font-weight:600}
.notice{background:#F2F8F4;border:1px solid #D5E7DB;color:var(--ink2);padding:9px 14px;border-radius:var(--r2);margin:0 0 16px;font-size:14px}

/* forms and buttons */
label{display:block;margin:0 0 12px;font-weight:600;font-size:13.5px;color:var(--ink2)}
label.check{display:inline-flex;gap:6px;align-items:center;margin:0 14px 0 0;font-weight:500}
input,select,textarea{display:block;width:100%;margin-top:4px;padding:9px 11px;border:1px solid var(--line);border-radius:var(--r1);background:#fff;color:var(--ink);font:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent2);box-shadow:var(--ring)}
input[type=checkbox]{display:inline;width:auto;margin:0}
fieldset{border:1px solid var(--line);border-radius:var(--r1);margin:0 0 12px;padding:8px 12px}legend{font-size:12px;color:var(--mute);font-weight:600;padding:0 4px}
button,.btn{padding:8px 14px;border:1px solid var(--line);border-radius:var(--r1);background:#fff;color:var(--ink);font:600 14px var(--font);cursor:pointer;text-decoration:none;display:inline-block;box-shadow:var(--sh1)}
button:hover,.btn:hover{background:var(--hover)}
button.primary,.btn.primary{background:var(--accent);color:#fff;border-color:var(--accent)}button.primary:hover,.btn.primary:hover{background:var(--accent2)}
button.bad{background:#B3261E;color:#fff;border-color:#B3261E}button:disabled{opacity:.5;cursor:not-allowed}
button.link{border:0;background:none;box-shadow:none;color:var(--mute);padding:4px 0;text-decoration:underline;font-weight:500}
.inline{display:inline;margin:0}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px;align-items:center}.filters input,.filters select{width:auto;margin:0}.filters a.on{font-weight:700}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:flex-end}.row label{margin:0}.row input,.row select{width:auto}
.flash{padding:10px 14px;border-radius:var(--r2);margin:0 0 14px;border:1px solid var(--line);background:#fff;box-shadow:var(--sh1)}
.flash.error{border-color:#EBC6C2;color:#B3261E;background:#FDF3F2}.flash.success{border-color:#CFE3D6;background:#F2F8F4}
.preview{background:var(--side);border:1px dashed #D5D8DE;border-radius:var(--r2);padding:12px 14px;margin:0 0 14px}
.bars rect{fill:var(--accent2)}.bars{width:100%;max-width:620px;height:auto;display:block}
.qr svg{width:200px;height:200px;background:#fff;padding:6px;border:1px solid var(--line);border-radius:var(--r2)}
code.secret,.codes code{font:14px ui-monospace,Menlo,monospace;background:var(--hover);padding:2px 7px;border-radius:6px}.codes{columns:2;list-style:none;padding:0}
.flags{list-style:none;padding:0;columns:2}.pager{display:flex;gap:16px}

/* login pages (no sidebar) */
.plain-main{max-width:440px;margin:0 auto;padding:56px 16px}
.plain-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;margin:0 0 18px}
.plain-main .narrow{margin:0}

/* phones: the sidebar becomes a scrollable top bar, like the student app */
@media (max-width:860px){
  .app{display:block;background:var(--bg)}
  .side{position:static;height:auto;flex-direction:row;flex-wrap:wrap;align-items:center;gap:4px 8px;border-right:0;border-bottom:1px solid var(--line);padding:10px 12px}
  .brand{padding:0 8px 0 0}.nav{flex-direction:row;flex-wrap:wrap;flex:1 1 100%;order:3}.lbl{display:none}
  .nav a{padding:6px 10px}.me-wrap{margin:0 0 0 auto;flex-direction:row;align-items:center}.me .who small{display:none}
  .main{padding:18px 14px 40px}.codes,.flags{columns:1}.tile .n{font-size:24px}
}

/* overall status line */
.status{border:1px solid var(--line);border-radius:var(--r3);background:var(--panel);box-shadow:var(--sh1);padding:12px 16px;margin:0 0 16px}
.status .status-head{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center}.status .dot{width:10px;height:10px;border-radius:50%;background:var(--accent2);flex:none}
.status.warn{background:#FFF8E6;border-color:#F0DDA6}.status.warn .dot{background:#E0A800}
.status.bad{background:#FDF3F2;border-color:#EBC6C2}.status.bad .dot{background:#B3261E}
.status ul{margin:8px 0 0;padding-left:20px}.status .status-head a{margin-left:auto;font-size:14px}
td.pre{white-space:pre-wrap;word-break:break-word;max-width:640px}

/* conversations */
.dot-unread{display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--accent2)}
tr.unread-row td{background:#F7FBF8}
.thread{display:grid;gap:10px;margin:0 0 16px}
.bubble{max-width:min(680px,92%);padding:10px 14px;border:1px solid var(--line);border-radius:var(--r3);background:var(--panel);box-shadow:var(--sh1)}
.bubble.team{margin-left:auto;background:#EEF6F1;border-color:#D5E7DB}
.bubble header{display:flex;gap:10px;justify-content:space-between;font-size:12.5px;color:var(--mute);margin:0 0 4px}.bubble header b{color:var(--ink2)}
.bubble p{margin:0;white-space:pre-wrap;overflow-wrap:anywhere}
.nav a .cnt{margin-left:auto;font-size:11.5px;font-weight:600;color:#fff;background:var(--accent);border-radius:999px;padding:0 7px}

.confirm-bar{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;background:#F2F8F4;border:1px solid #D5E7DB;border-radius:var(--r2);padding:8px 12px;margin:0 0 14px;font-size:14px}