/* LevelUp tutor portal. Colours and spacing follow the Softr portal it replaces.
   Everything is prefixed lu- so it can't clash with the attendance page's own styles. */
:root { --lu-ink:#1a1d24; --lu-muted:#667085; --lu-line:#e3e6eb; --lu-bg:#f9f9f8; --lu-nav:#f3f6fb;
        --lu-brand:#2563eb; --lu-card:#fff; --lu-radius:12px; }
* { box-sizing: border-box; }
.lu-body { margin:0; background:var(--lu-bg); color:var(--lu-ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif; font-size:15px; }
.lu-body.lu-attendance { background:#f4f5f7; }

/* ---- top menu ---- */
.lu-nav { background:var(--lu-nav); border-bottom:1px solid var(--lu-line); }
.lu-nav-in { max-width:1200px; margin:0 auto; padding:0 16px; min-height:60px; display:flex; align-items:center; gap:16px; flex-wrap:wrap; }
.lu-brand { display:flex; align-items:center; gap:8px; font-weight:700; font-size:17px; color:#1f2a44; text-decoration:none; }
.lu-brand svg { color:#3b82f6; }
.lu-brand.big { font-size:22px; justify-content:center; margin-bottom:8px; }
.lu-links { margin-left:auto; display:flex; align-items:center; gap:4px; flex-wrap:wrap; }
.lu-links a { color:#344054; text-decoration:none; padding:19px 10px 17px; border-bottom:2px solid transparent; font-size:14px; }
.lu-links a.on { border-bottom-color:#5b8def; }
.lu-links a:hover { color:#000; }
.lu-out { display:flex; align-items:center; gap:8px; margin:0 0 0 12px; }
.lu-out button { background:none; border:0; color:var(--lu-muted); font:inherit; font-size:13px; cursor:pointer; padding:6px; }
.lu-out button:hover { color:#000; text-decoration:underline; }
.lu-avatar { width:30px; height:30px; border-radius:50%; background:#d6457a; color:#fff; display:inline-flex; align-items:center; justify-content:center; font-weight:600; }
.lu-menu-toggle, .lu-menu-btn { display:none; }
@media (max-width: 760px) {
  .lu-menu-btn { display:block; margin-left:auto; font-size:24px; cursor:pointer; padding:8px; }
  .lu-links { display:none; width:100%; flex-direction:column; align-items:stretch; padding-bottom:8px; }
  .lu-menu-toggle:checked ~ .lu-links { display:flex; }
  .lu-links a { padding:12px 4px; border-bottom:1px solid var(--lu-line); }
  .lu-links a.on { border-bottom-color:#5b8def; font-weight:600; }
  .lu-out { margin:8px 0 0; }
}

/* ---- layout ---- */
.lu-wrap { max-width:1200px; margin:0 auto; padding:0 16px; }
.lu-narrow { max-width:720px; margin:0 auto; padding:0 16px; }
.lu-page { padding-top:32px; padding-bottom:48px; }
.lu-center { min-height:80vh; display:flex; align-items:center; justify-content:center; padding:16px; }
.lu-card { background:var(--lu-card); border:1px solid var(--lu-line); border-radius:var(--lu-radius); padding:20px; }
.lu-signin { max-width:420px; width:100%; text-align:center; }
.lu-signin h1 { font-size:22px; margin:0 0 12px; }
.lu-muted { color:var(--lu-muted); }
.lu-small { color:var(--lu-muted); font-size:13px; }
.lu-h2 { font-size:20px; margin:32px 0 12px; }
.lu-page .lu-h2:first-child { margin-top:0; }
.lu-ok { background:#ecfdf3; border:1px solid #abefc6; color:#067647; padding:10px 14px; border-radius:8px; }
.lu-err { color:#b42318; }
.lu-none { color:var(--lu-muted); text-align:center; }

/* ---- buttons ---- */
.lu-btn { display:inline-block; background:#5b9bd5; color:#fff; border:0; border-radius:8px; padding:9px 16px; font:inherit; font-weight:600; cursor:pointer; text-decoration:none; }
.lu-btn:hover { background:#3f84c4; }
.lu-btn.ghost { background:#fff; color:#344054; border:1px solid var(--lu-line); }
.lu-google { display:inline-flex; align-items:center; gap:10px; margin:16px 0 8px; padding:11px 20px; border:1px solid #dadce0; border-radius:8px;
  background:#fff; color:#3c4043; font-weight:600; text-decoration:none; }
.lu-google:hover { background:#f8f9fa; }

/* ---- schedule ---- */
.lu-hero { background:linear-gradient(135deg,#534AB7,#378ADD); color:#fff; padding:36px 0; margin-bottom:28px; }
.lu-hero h1 { font-size:30px; margin:4px 0 8px; }
.lu-hero-sub { margin:0; opacity:.8; font-size:14px; }
.lu-stats { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
@media (max-width: 760px) { .lu-stats { grid-template-columns:repeat(2,1fr); } }
.lu-stat { background:#fff; border:1px solid var(--lu-line); border-left:4px solid; border-radius:var(--lu-radius); padding:16px; }
.lu-stat.purple { border-left-color:#a855f7; } .lu-stat.teal { border-left-color:#14b8a6; }
.lu-stat.amber { border-left-color:#f59e0b; } .lu-stat.blue { border-left-color:#3b82f6; }
.lu-stat .k { font-size:14px; font-weight:500; }
.lu-stat .v { font-size:26px; font-weight:700; margin-top:10px; }
.lu-stat .v.sm { font-size:14px; }
.lu-stat .v.muted { color:var(--lu-muted); }
.lu-stat .n { font-size:12px; color:var(--lu-muted); margin-top:4px; }
.lu-week { display:grid; grid-template-columns:repeat(7,minmax(0,1fr)); gap:10px; padding-bottom:48px; }
@media (max-width: 900px) { .lu-week { grid-template-columns:1fr; } }
.lu-day h3 { margin:0 0 8px; background:#eceef1; border-radius:8px; padding:8px; text-align:center; font-size:14px; }
.lu-day.today h3 { background:#e0e7ff; color:#3730a3; }
.lu-day.today h3 span { display:block; font-size:11px; font-weight:500; }
.lu-lesson { background:#fff; border:1px solid var(--lu-line); border-left:3px solid #3b82f6; border-radius:10px; padding:10px; margin-bottom:8px; font-size:12px; }
.lu-lesson summary { list-style:none; cursor:pointer; display:flex; flex-direction:column; gap:4px; }
.lu-lesson summary::-webkit-details-marker { display:none; }
.lu-lesson strong { font-size:12.5px; }

/* ---- tables (Exam Topics, My Claims) ---- */
.lu-toolbar { display:flex; gap:8px; flex-wrap:wrap; align-items:center; margin:16px 0; }
.lu-toolbar select, .lu-toolbar input { font:inherit; font-size:14px; padding:8px 10px; border:1px solid var(--lu-line); border-radius:8px; background:#fff; }
.lu-toolbar input[type=search] { margin-left:auto; min-width:200px; background:#f2f4f7; }
.lu-toolbar .lu-btn { padding:8px 16px; }
.lu-tablewrap { overflow-x:auto; background:#fff; border:1px solid var(--lu-line); border-radius:var(--lu-radius); }
.lu-table { border-collapse:collapse; width:100%; font-size:13px; }
.lu-table th { text-align:left; font-weight:500; color:#344054; padding:12px; border-bottom:1px solid var(--lu-line); white-space:nowrap; }
.lu-table td { padding:12px; border-bottom:1px solid #f0f1f3; vertical-align:top; }
.lu-table td.num { text-align:right; white-space:nowrap; }
.lu-clip { max-width:260px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.lu-tag { display:inline-block; background:#f2f4f7; border-radius:6px; padding:2px 8px; font-size:12px; white-space:nowrap; }
.lu-tag:empty { display:none; }
.lu-file { display:inline-block; border:1px solid var(--lu-line); border-radius:6px; padding:3px 8px; margin:0 4px 4px 0; color:#344054; text-decoration:none; font-size:12px; max-width:200px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.lu-claimhead { display:flex; gap:48px; align-items:center; flex-wrap:wrap; margin-bottom:8px; }
.lu-claimhead strong { font-size:17px; }

/* ---- Add record dialog ---- */
.lu-dialog { border:0; border-radius:14px; padding:0; width:min(560px, calc(100vw - 32px)); box-shadow:0 20px 50px rgba(0,0,0,.2); }
.lu-dialog::backdrop { background:rgba(16,24,40,.45); }
.lu-dialog form { padding:22px; display:flex; flex-direction:column; gap:12px; }
.lu-dialog h2 { margin:0 0 4px; font-size:19px; }
.lu-dialog label { display:flex; flex-direction:column; gap:4px; font-size:13px; font-weight:500; flex:1; }
.lu-dialog input, .lu-dialog select, .lu-dialog textarea { font:inherit; font-size:14px; padding:9px 10px; border:1px solid var(--lu-line); border-radius:8px; }
.lu-row { display:flex; gap:12px; }
@media (max-width: 520px) { .lu-row { flex-direction:column; } }
.lu-actions { display:flex; justify-content:flex-end; gap:8px; margin-top:4px; }

/* ---- feedback + tools ---- */
.lu-form { width:100%; max-width:900px; height:calc(100vh - 140px); min-height:640px; border:1px solid var(--lu-line); border-radius:var(--lu-radius); background:#fff; display:block; margin:0 auto; }
.lu-tools { display:grid; gap:12px; margin-top:20px; }
.lu-tool { text-align:left; padding:16px; border:1px solid #d0d5dd; border-radius:12px; background:#fff; cursor:pointer; font:inherit; display:flex; flex-direction:column; gap:4px; }
.lu-tool strong { font-size:16px; }
.lu-tool span { color:var(--lu-muted); }
.lu-tool:hover { border-color:#98a2b3; }
.lu-tool:disabled { opacity:.6; cursor:wait; }