:root{
  --udl-blue:#0f3c88;
  --udl-blue-2:#1d64d8;
  --udl-sky:#eaf4ff;
  --udl-ink:#0f172a;
  --udl-muted:#64748b;
  --udl-line:#dbeafe;
  --udl-bg:#f8fbff;
  --udl-white:#ffffff;
  --udl-green:#0f9f6e;
  --udl-amber:#b7791f;
  --udl-red:#c2410c;
}
.udl-wrap,.udl-app{font-family:Inter, Poppins, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;color:var(--udl-ink)}
.udl-auth-wrap{min-height:78vh;display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:stretch;background:linear-gradient(135deg,#f8fbff 0%,#edf6ff 50%,#fff 100%);padding:34px;border-radius:26px;box-sizing:border-box}
.udl-hero-card,.udl-auth-card,.udl-panel,.udl-room-stage,.udl-poll-card{background:rgba(255,255,255,.92);border:1px solid var(--udl-line);box-shadow:0 24px 60px rgba(15,60,136,.10);border-radius:26px}
.udl-hero-card{padding:50px;position:relative;overflow:hidden;display:flex;flex-direction:column;justify-content:center}
.udl-hero-card:before{content:"";position:absolute;width:360px;height:360px;right:-120px;top:-120px;background:radial-gradient(circle,rgba(29,100,216,.16),transparent 62%)}
.udl-brand-pill{display:inline-flex;width:max-content;padding:8px 14px;border-radius:999px;background:#eff6ff;color:var(--udl-blue);border:1px solid #bfdbfe;font-weight:800;font-size:12px;letter-spacing:.08em;text-transform:uppercase}
.udl-hero-card h1,.udl-app-header h1{font-size:48px;line-height:1.05;margin:18px 0 10px;color:var(--udl-blue);letter-spacing:-1.2px}
.udl-hero-card p,.udl-app-header p{font-size:17px;line-height:1.7;color:var(--udl-muted);max-width:620px;margin:0}
.udl-auth-card{padding:24px;align-self:center}
.udl-tabs{display:flex;background:#f1f7ff;padding:6px;border-radius:18px;margin-bottom:20px}
.udl-tab{flex:1;border:0;background:transparent;border-radius:14px;padding:12px 14px;font-weight:800;color:#475569;cursor:pointer}
.udl-tab.active{background:#fff;color:var(--udl-blue);box-shadow:0 8px 18px rgba(15,60,136,.09)}
.udl-auth-form{display:none}.udl-auth-form.active{display:block}.udl-auth-form label{display:block;font-size:13px;font-weight:800;color:#334155;margin:14px 0 7px}.udl-auth-form input,.udl-permission-box textarea{width:100%;box-sizing:border-box;border:1px solid #cbd5e1;background:#fff;border-radius:14px;padding:13px 14px;outline:none;font-size:15px}.udl-auth-form input:focus,.udl-permission-box textarea:focus{border-color:var(--udl-blue-2);box-shadow:0 0 0 4px rgba(29,100,216,.11)}
.udl-primary-btn,.udl-secondary-btn,.udl-danger-btn,.udl-ghost-btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border:0;border-radius:14px;padding:12px 16px;font-weight:900;cursor:pointer;transition:.2s ease;box-sizing:border-box}
.udl-primary-btn{width:100%;margin-top:18px;background:linear-gradient(135deg,var(--udl-blue),var(--udl-blue-2));color:#fff;box-shadow:0 12px 22px rgba(29,100,216,.24)}.udl-primary-btn:hover{transform:translateY(-1px)}.udl-primary-btn:disabled,.udl-secondary-btn:disabled,.udl-danger-btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.udl-secondary-btn{background:#eaf4ff;color:var(--udl-blue);border:1px solid #bfdbfe}.udl-danger-btn{background:#fff3ed;color:var(--udl-red);border:1px solid #fed7aa}.udl-ghost-btn{background:#fff;color:#334155;border:1px solid #dbeafe}.udl-alert{border-radius:14px;padding:12px 14px;margin-bottom:12px;font-weight:700}.udl-alert.error{background:#fff7ed;color:#c2410c;border:1px solid #fed7aa}.udl-alert.success{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}
.udl-app{background:linear-gradient(135deg,#f8fbff 0%,#eef7ff 100%);padding:24px;border-radius:28px;min-height:80vh;box-sizing:border-box}.udl-app-header{display:flex;align-items:center;justify-content:space-between;gap:18px;background:linear-gradient(135deg,#fff,#f4f9ff);border:1px solid var(--udl-line);border-radius:28px;padding:26px;margin-bottom:22px;box-shadow:0 20px 40px rgba(15,60,136,.08)}.udl-app-header h1{font-size:34px;margin:12px 0 5px}.udl-header-actions{display:flex;gap:10px;flex-wrap:wrap}.udl-layout{display:grid;grid-template-columns:330px 1fr;gap:22px}.udl-sidebar{display:flex;flex-direction:column;gap:18px}.udl-panel{padding:18px}.udl-panel h3{margin:0 0 14px;font-size:17px;color:#12376f}.udl-room-list{display:flex;flex-direction:column;gap:10px}.udl-room-btn{position:relative;text-align:left;border:1px solid #dbeafe;border-radius:18px;background:#fff;padding:15px 62px 15px 15px;cursor:pointer;box-shadow:0 10px 24px rgba(15,60,136,.06);transition:.2s}.udl-room-btn:hover,.udl-room-btn.active{border-color:#93c5fd;background:#f8fbff;transform:translateY(-1px)}.udl-room-btn:disabled{opacity:.58;cursor:not-allowed;transform:none}.udl-room-btn span{display:block;font-weight:900;color:#12376f}.udl-room-btn small{display:block;color:var(--udl-muted);margin-top:4px;line-height:1.35}.udl-room-btn em{position:absolute;right:12px;top:12px;font-style:normal;font-size:11px;font-weight:900;color:#0f766e;background:#ecfdf5;border:1px solid #a7f3d0;padding:4px 8px;border-radius:999px}.udl-room-btn:disabled em{color:#b45309;background:#fffbeb;border-color:#fde68a}
.udl-big-timer{font-size:38px;font-weight:950;color:var(--udl-blue);letter-spacing:-1px;background:#f8fbff;border:1px solid #dbeafe;border-radius:20px;text-align:center;padding:16px;margin-bottom:12px}.udl-status-pill{display:inline-flex;border-radius:999px;padding:8px 12px;background:#f1f5f9;color:#475569;font-weight:900;font-size:13px}.udl-status-pill.studying{background:#ecfdf5;color:#047857}.udl-status-pill.break{background:#fffbeb;color:#b45309}.udl-status-pill.ended{background:#fff7ed;color:#c2410c}.udl-session-buttons{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}.udl-leader-tabs{display:flex;background:#f1f7ff;border-radius:14px;padding:5px;margin-bottom:10px}.udl-leader-tabs button{border:0;background:transparent;flex:1;padding:8px;border-radius:11px;font-weight:900;cursor:pointer;color:#475569}.udl-leader-tabs button.active{background:#fff;color:var(--udl-blue);box-shadow:0 6px 14px rgba(15,60,136,.08)}.udl-leader-row{display:grid;grid-template-columns:42px 34px 1fr auto;align-items:center;gap:8px;padding:9px 0;border-bottom:1px solid #eef2ff}.udl-leader-row:last-child{border-bottom:0}.udl-leader-row .rank{font-weight:950;color:var(--udl-blue)}.udl-leader-row .avatar{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#dbeafe,#fff);color:#12376f;font-size:11px;font-weight:950}.udl-leader-row .name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#334155}.udl-leader-row strong{color:#0f3c88}.udl-muted{color:var(--udl-muted)}
.udl-main{min-width:0}.udl-notice{background:#0f3c88;color:#fff;border-radius:18px;padding:14px 16px;margin-bottom:16px;box-shadow:0 12px 24px rgba(15,60,136,.18)}.udl-permission-box{background:#fff7ed;border:1px solid #fed7aa;border-radius:22px;padding:20px;margin-bottom:16px}.udl-permission-box h3{margin:0 0 8px;color:#9a3412}.udl-permission-box p{color:#9a3412}.udl-permission-box textarea{min-height:90px;margin-bottom:12px}.udl-room-stage{padding:22px}.udl-room-topbar{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;margin-bottom:20px}.udl-room-topbar h2{margin:0 0 6px;color:#12376f;font-size:26px}.udl-room-topbar p{margin:0;color:var(--udl-muted)}.udl-room-metrics{display:flex;gap:10px;flex-wrap:wrap}.udl-room-metrics span{background:#f8fbff;border:1px solid #dbeafe;border-radius:14px;padding:10px 12px;color:#475569;font-weight:800}.udl-room-metrics b{color:var(--udl-blue)}.udl-student-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px}.udl-student-grid.udl-empty-state{display:grid;place-items:center;min-height:330px;background:linear-gradient(135deg,#f8fbff,#fff);border:1px dashed #bfdbfe;border-radius:22px;text-align:center;color:#64748b}.udl-student-grid.udl-empty-state h3{color:#12376f;margin-bottom:6px}.udl-student-card{background:#fff;border:1px solid #dbeafe;border-radius:24px;padding:16px;box-shadow:0 18px 32px rgba(15,60,136,.08);position:relative;overflow:hidden}.udl-student-card:before{content:"";position:absolute;inset:0 0 auto;height:5px;background:linear-gradient(90deg,var(--udl-blue),#60a5fa)}.udl-student-card.break:before{background:linear-gradient(90deg,#f59e0b,#fde68a)}.udl-card-top{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:16px}.udl-seat{font-size:11px;font-weight:950;color:#64748b;text-transform:uppercase;letter-spacing:.06em}.udl-mini-status{font-size:11px;font-weight:950;border-radius:999px;padding:5px 8px;background:#ecfdf5;color:#047857}.udl-student-card.break .udl-mini-status{background:#fffbeb;color:#b45309}.udl-avatar{width:74px;height:74px;border-radius:50%;margin:0 auto 12px;display:grid;place-items:center;background:radial-gradient(circle at 30% 25%,#fff,#dbeafe);border:1px solid #bfdbfe;color:#12376f;font-weight:950;font-size:24px;box-shadow:inset 0 0 22px rgba(29,100,216,.12)}.udl-student-card h3{text-align:center;margin:0 0 8px;color:#12376f;font-size:17px}.udl-card-timer{text-align:center;font-size:26px;font-weight:950;color:#0f3c88;margin-bottom:12px}.udl-card-meta{display:flex;justify-content:space-between;gap:8px;color:#64748b;font-size:12px;font-weight:800;background:#f8fbff;border-radius:14px;padding:10px}.udl-poll-card{margin-top:18px;padding:20px}.udl-poll-head{display:flex;gap:8px;align-items:center;color:#0f3c88}.udl-dot{width:10px;height:10px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 6px rgba(34,197,94,.12)}.udl-poll-card h3{margin:12px 0 14px;color:#12376f}.udl-poll-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.udl-poll-option{text-align:left;border:1px solid #dbeafe;background:#fff;border-radius:16px;padding:13px 14px;cursor:pointer;font-weight:800;color:#334155}.udl-poll-option:hover{border-color:#93c5fd;background:#f8fbff}.udl-poll-option.answered{cursor:default}.udl-poll-option.correct,.udl-poll-option.correct-answer{background:#ecfdf5;border-color:#86efac;color:#047857}.udl-poll-option.wrong{background:#fff7ed;border-color:#fed7aa;color:#c2410c}.udl-poll-option span{float:right;font-size:11px;border-radius:999px;background:#d1fae5;padding:3px 7px}.udl-poll-result{margin-top:12px;font-weight:900;color:#0f3c88}.udl-skeleton{height:82px;border-radius:18px;background:linear-gradient(90deg,#f1f5f9,#fff,#f1f5f9);background-size:240% 100%;animation:udlShimmer 1.3s infinite}@keyframes udlShimmer{to{background-position:-240% 0}}#udl-toast{position:fixed;z-index:999999;right:22px;bottom:22px;max-width:360px;background:#0f172a;color:#fff;border-radius:16px;padding:13px 16px;box-shadow:0 20px 40px rgba(15,23,42,.25);opacity:0;transform:translateY(10px);pointer-events:none;transition:.22s ease;font-weight:800}#udl-toast.show{opacity:1;transform:translateY(0)}
@media(max-width:980px){.udl-auth-wrap{grid-template-columns:1fr}.udl-layout{grid-template-columns:1fr}.udl-app-header,.udl-room-topbar{flex-direction:column}.udl-hero-card{padding:32px}.udl-hero-card h1{font-size:38px}.udl-poll-options{grid-template-columns:1fr}.udl-session-buttons{grid-template-columns:1fr}}
@media(max-width:560px){.udl-app,.udl-auth-wrap{padding:14px;border-radius:18px}.udl-hero-card h1,.udl-app-header h1{font-size:30px}.udl-auth-card,.udl-panel,.udl-room-stage,.udl-poll-card{border-radius:18px}.udl-student-grid{grid-template-columns:1fr}.udl-card-meta{flex-direction:column}.udl-header-actions{width:100%}.udl-header-actions a{width:100%}}

/* v1.1 solid button + frontend admin portal improvements */
.udl-primary-btn,.udl-secondary-btn,.udl-danger-btn,.udl-ghost-btn,.udl-tab.active,.udl-leader-tabs button.active,.udl-poll-option,.udl-room-btn{opacity:1!important;visibility:visible!important}
.udl-primary-btn{background:#0f3c88;color:#fff;border:1px solid #0f3c88;box-shadow:0 12px 22px rgba(15,60,136,.22)}
.udl-secondary-btn{background:#1d64d8;color:#fff;border:1px solid #1d64d8;box-shadow:0 10px 20px rgba(29,100,216,.18)}
.udl-danger-btn{background:#c2410c;color:#fff;border:1px solid #c2410c;box-shadow:0 10px 20px rgba(194,65,12,.16)}
.udl-ghost-btn{background:#eaf4ff;color:#0f3c88;border:1px solid #bfdbfe;box-shadow:0 8px 18px rgba(15,60,136,.08)}
.udl-primary-btn:hover,.udl-secondary-btn:hover,.udl-danger-btn:hover,.udl-ghost-btn:hover{filter:brightness(.96);transform:translateY(-1px)}
.udl-primary-btn:disabled,.udl-secondary-btn:disabled,.udl-danger-btn:disabled,.udl-ghost-btn:disabled{background:#cbd5e1!important;border-color:#cbd5e1!important;color:#64748b!important;box-shadow:none!important;opacity:1!important}
.udl-tab{background:#dbeafe;color:#0f3c88}.udl-tab.active{background:#0f3c88;color:#fff;box-shadow:0 8px 18px rgba(15,60,136,.18)}
.udl-leader-tabs button{background:#dbeafe;color:#0f3c88}.udl-leader-tabs button.active{background:#0f3c88;color:#fff}
.udl-room-btn{background:#f8fbff;border-color:#bfdbfe}.udl-room-btn.active{background:#dbeafe;border-color:#1d64d8}.udl-room-btn:hover{background:#dbeafe;border-color:#1d64d8}
.udl-poll-option{background:#eaf4ff;color:#0f3c88;border-color:#bfdbfe}.udl-poll-option:hover{background:#dbeafe;border-color:#1d64d8}
.udl-inline-btn{width:max-content!important;max-width:100%}
.udl-admin-login-wrap .udl-auth-card{max-width:460px;width:100%;justify-self:center}.udl-admin-login-badge{display:inline-flex;border-radius:999px;background:#0f3c88;color:#fff;padding:8px 12px;font-weight:900;font-size:12px;letter-spacing:.04em;text-transform:uppercase;margin-bottom:12px}
.udl-admin-frontend-shell{font-family:Inter,Poppins,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:linear-gradient(135deg,#f8fbff,#edf6ff);padding:24px;border-radius:28px;color:#0f172a}.udl-admin-wrap.udl-admin-frontend{max-width:1220px;margin:0 auto}.udl-admin-topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;background:#fff;border:1px solid #dbeafe;border-radius:26px;padding:24px;margin-bottom:18px;box-shadow:0 20px 40px rgba(15,60,136,.08)}.udl-admin-topbar h1{margin:12px 0 6px;color:#0f3c88;font-size:34px;letter-spacing:-.7px}.udl-admin-topbar p{margin:0;color:#64748b}
.udl-admin-wrap .notice,.udl-admin-success{background:#ecfdf5;border:1px solid #a7f3d0;color:#047857;border-radius:12px;padding:10px 14px;margin:12px 0}.udl-admin-wrap .notice p{margin:0;font-weight:800}.udl-admin-wrap input[type="text"],.udl-admin-wrap input[type="number"],.udl-admin-wrap textarea,.udl-admin-wrap select{border:1px solid #bfdbfe;border-radius:12px;padding:10px 12px;box-sizing:border-box;background:#fff;max-width:100%;color:#0f172a}.udl-admin-wrap textarea.large-text{width:100%}.udl-admin-wrap .regular-text{width:100%;max-width:460px}.udl-admin-wrap .button{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;border:1px solid #1d64d8;background:#1d64d8;color:#fff;text-decoration:none;padding:9px 13px;font-weight:900;cursor:pointer;line-height:1.2;min-height:38px}.udl-admin-wrap .button-primary{background:#0f3c88;border-color:#0f3c88;color:#fff}.udl-admin-wrap .button:hover{filter:brightness(.96);color:#fff}.udl-admin-wrap table.widefat{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid #dbeafe;border-radius:14px;overflow:hidden}.udl-admin-wrap table.widefat th{background:#eaf4ff;color:#0f3c88;text-align:left;padding:12px;border-bottom:1px solid #dbeafe}.udl-admin-wrap table.widefat td{padding:12px;border-bottom:1px solid #eef2ff;vertical-align:top}.udl-admin-wrap table.widefat tr:last-child td{border-bottom:0}.udl-admin-wrap h2{color:#12376f;margin-top:0}.udl-admin-cards{display:grid;grid-template-columns:repeat(3,minmax(160px,1fr));gap:14px;margin:18px 0}.udl-admin-card{background:#fff;border:1px solid #dbeafe;border-radius:14px;padding:18px;box-shadow:0 10px 22px rgba(15,23,42,.06)}.udl-admin-card strong{font-size:30px;color:#0f3c88;display:block}.udl-admin-card span{color:#475569}.udl-admin-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.udl-admin-box{background:#fff;border:1px solid #dbeafe;border-radius:14px;padding:18px;margin:18px 0;box-shadow:0 10px 22px rgba(15,23,42,.05)}
@media(max-width:900px){.udl-admin-grid,.udl-admin-cards{grid-template-columns:1fr}.udl-admin-topbar{flex-direction:column;align-items:flex-start}.udl-admin-wrap table.widefat{display:block;overflow-x:auto}}

/* v1.2 admin portal full layout correction */
.udl-admin-frontend-shell{
  width:100%;
  min-height:80vh;
  padding:26px!important;
  border-radius:30px!important;
  background:
    radial-gradient(circle at top left, rgba(29,100,216,.14), transparent 32%),
    linear-gradient(135deg,#f8fbff 0%,#edf6ff 55%,#ffffff 100%)!important;
  box-sizing:border-box!important;
}
.udl-admin-wrap,
.udl-admin-wrap *{
  box-sizing:border-box!important;
}
.udl-admin-wrap{
  font-family:Inter,Poppins,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif!important;
  color:#0f172a!important;
  line-height:1.5!important;
}
.udl-admin-wrap.udl-admin-frontend{
  width:100%!important;
  max-width:1240px!important;
  margin:0 auto!important;
  padding:0!important;
}
.udl-admin-wrap a,
.udl-admin-wrap p,
.udl-admin-wrap span,
.udl-admin-wrap td,
.udl-admin-wrap th,
.udl-admin-wrap label,
.udl-admin-wrap small{
  color:inherit;
  line-height:1.5!important;
}
.udl-admin-topbar{
  position:relative!important;
  overflow:hidden!important;
  display:flex!important;
  align-items:flex-start!important;
  justify-content:space-between!important;
  gap:20px!important;
  padding:28px!important;
  margin:0 0 20px!important;
  border-radius:28px!important;
  border:1px solid #dbeafe!important;
  background:linear-gradient(135deg,#ffffff 0%,#f5f9ff 100%)!important;
  box-shadow:0 22px 55px rgba(15,60,136,.10)!important;
}
.udl-admin-topbar:after{
  content:"";
  position:absolute;
  right:-110px;
  top:-130px;
  width:330px;
  height:330px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(29,100,216,.16),transparent 65%);
  pointer-events:none;
}
.udl-admin-topbar > *{position:relative;z-index:1}
.udl-admin-topbar h1{
  margin:12px 0 8px!important;
  font-size:36px!important;
  line-height:1.08!important;
  color:#0f3c88!important;
  letter-spacing:-.8px!important;
  font-weight:950!important;
}
.udl-admin-subtitle,
.udl-admin-topbar p{
  max-width:760px!important;
  margin:0!important;
  color:#64748b!important;
  font-size:15px!important;
}
.udl-admin-shortcodes{
  display:flex!important;
  flex-wrap:wrap!important;
  gap:10px!important;
  margin-top:16px!important;
}
.udl-admin-shortcodes span{
  display:inline-flex!important;
  align-items:center!important;
  gap:7px!important;
  padding:8px 12px!important;
  border:1px solid #bfdbfe!important;
  border-radius:999px!important;
  background:#eff6ff!important;
  color:#0f3c88!important;
  font-size:12px!important;
  font-weight:800!important;
}
.udl-admin-wrap code{
  display:inline-flex!important;
  align-items:center!important;
  max-width:100%!important;
  white-space:normal!important;
  word-break:break-word!important;
  padding:3px 7px!important;
  border-radius:8px!important;
  background:#ffffff!important;
  color:#0f3c88!important;
  border:1px solid #dbeafe!important;
  font-size:12px!important;
}
.udl-admin-cards{
  display:grid!important;
  grid-template-columns:repeat(3,minmax(0,1fr))!important;
  gap:16px!important;
  margin:20px 0!important;
}
.udl-admin-card{
  position:relative!important;
  overflow:hidden!important;
  min-height:112px!important;
  padding:22px!important;
  border-radius:22px!important;
  border:1px solid #dbeafe!important;
  background:#ffffff!important;
  box-shadow:0 16px 34px rgba(15,60,136,.08)!important;
}
.udl-admin-card:before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:5px;
  background:linear-gradient(90deg,#0f3c88,#60a5fa);
}
.udl-admin-card strong{
  display:block!important;
  font-size:36px!important;
  line-height:1!important;
  color:#0f3c88!important;
  font-weight:950!important;
  letter-spacing:-.8px!important;
}
.udl-admin-card span{
  display:block!important;
  margin-top:10px!important;
  color:#475569!important;
  font-size:14px!important;
  font-weight:850!important;
}
.udl-admin-grid{
  display:grid!important;
  grid-template-columns:repeat(2,minmax(0,1fr))!important;
  gap:18px!important;
  align-items:start!important;
}
.udl-admin-box{
  margin:18px 0!important;
  padding:22px!important;
  border-radius:24px!important;
  border:1px solid #dbeafe!important;
  background:#ffffff!important;
  box-shadow:0 16px 34px rgba(15,60,136,.07)!important;
}
.udl-admin-box h2{
  display:flex!important;
  align-items:center!important;
  gap:8px!important;
  margin:0 0 18px!important;
  color:#12376f!important;
  font-size:21px!important;
  line-height:1.2!important;
  font-weight:950!important;
  letter-spacing:-.2px!important;
}
.udl-admin-box h2:before{
  content:"";
  width:10px;
  height:10px;
  border-radius:999px;
  background:#1d64d8;
  box-shadow:0 0 0 6px rgba(29,100,216,.10);
  flex:0 0 auto;
}
.udl-admin-wrap form{
  margin:0!important;
}
.udl-admin-wrap .form-table,
.udl-admin-wrap .form-table tbody,
.udl-admin-wrap .form-table tr,
.udl-admin-wrap .form-table th,
.udl-admin-wrap .form-table td{
  display:block!important;
  width:100%!important;
  border:0!important;
  padding:0!important;
}
.udl-admin-wrap .form-table tr{
  margin:0 0 14px!important;
}
.udl-admin-wrap .form-table th,
.udl-admin-wrap label{
  margin:0 0 7px!important;
  color:#334155!important;
  font-size:13px!important;
  font-weight:900!important;
}
.udl-admin-wrap .form-table td{
  margin:0!important;
}
.udl-admin-wrap p{
  margin:0 0 13px!important;
}
.udl-admin-wrap input[type="text"],
.udl-admin-wrap input[type="email"],
.udl-admin-wrap input[type="number"],
.udl-admin-wrap textarea,
.udl-admin-wrap select{
  width:100%!important;
  max-width:100%!important;
  min-height:43px!important;
  border:1px solid #bfdbfe!important;
  border-radius:14px!important;
  padding:11px 13px!important;
  background:#ffffff!important;
  color:#0f172a!important;
  font-size:14px!important;
  outline:none!important;
  box-shadow:none!important;
}
.udl-admin-wrap textarea{
  min-height:92px!important;
  resize:vertical!important;
}
.udl-admin-wrap input:focus,
.udl-admin-wrap textarea:focus,
.udl-admin-wrap select:focus{
  border-color:#1d64d8!important;
  box-shadow:0 0 0 4px rgba(29,100,216,.10)!important;
}
.udl-admin-wrap .button,
.udl-admin-wrap button.button,
.udl-admin-wrap .button-primary{
  appearance:none!important;
  display:inline-flex!important;
  align-items:center!important;
  justify-content:center!important;
  min-height:42px!important;
  padding:10px 16px!important;
  border-radius:14px!important;
  border:1px solid #1d64d8!important;
  background:#1d64d8!important;
  color:#ffffff!important;
  font-size:13px!important;
  font-weight:950!important;
  line-height:1.1!important;
  text-decoration:none!important;
  text-shadow:none!important;
  box-shadow:0 10px 20px rgba(29,100,216,.18)!important;
  cursor:pointer!important;
  white-space:nowrap!important;
}
.udl-admin-wrap .button-primary,
.udl-admin-wrap button.button-primary{
  background:#0f3c88!important;
  border-color:#0f3c88!important;
}
.udl-admin-wrap .button:hover,
.udl-admin-wrap .button-primary:hover{
  filter:brightness(.96)!important;
  color:#ffffff!important;
  transform:translateY(-1px)!important;
}
.udl-admin-wrap table.widefat{
  width:100%!important;
  border-collapse:separate!important;
  border-spacing:0!important;
  table-layout:auto!important;
  border:1px solid #dbeafe!important;
  border-radius:18px!important;
  overflow:hidden!important;
  background:#ffffff!important;
  box-shadow:none!important;
}
.udl-admin-wrap table.widefat thead th{
  padding:13px 14px!important;
  background:#eaf4ff!important;
  color:#0f3c88!important;
  border:0!important;
  border-bottom:1px solid #dbeafe!important;
  font-size:12px!important;
  font-weight:950!important;
  letter-spacing:.03em!important;
  text-transform:uppercase!important;
  white-space:nowrap!important;
}
.udl-admin-wrap table.widefat tbody td{
  padding:14px!important;
  border:0!important;
  border-bottom:1px solid #eef2ff!important;
  color:#334155!important;
  font-size:14px!important;
  vertical-align:top!important;
  overflow-wrap:anywhere!important;
}
.udl-admin-wrap table.widefat tbody tr:last-child td{
  border-bottom:0!important;
}
.udl-admin-wrap table.widefat strong{
  color:#12376f!important;
  font-weight:950!important;
}
.udl-admin-wrap table.widefat small{
  display:block!important;
  margin-top:4px!important;
  color:#64748b!important;
  font-size:12px!important;
  line-height:1.4!important;
}
.udl-admin-wrap table.widefat form{
  display:inline-flex!important;
  align-items:center!important;
  gap:8px!important;
  flex-wrap:wrap!important;
}
.udl-admin-wrap table.widefat input[type="text"]{
  max-width:230px!important;
}
.udl-admin-empty{
  padding:20px!important;
  text-align:center!important;
  color:#64748b!important;
  font-weight:800!important;
  background:#f8fbff!important;
}
.udl-admin-success{
  display:flex!important;
  align-items:center!important;
  padding:13px 16px!important;
  margin:0 0 18px!important;
  border-radius:16px!important;
  border:1px solid #a7f3d0!important;
  background:#ecfdf5!important;
  color:#047857!important;
  font-weight:900!important;
}
.udl-admin-success p{
  margin:0!important;
  color:#047857!important;
}
@media(max-width:980px){
  .udl-admin-frontend-shell{padding:16px!important;border-radius:22px!important}
  .udl-admin-topbar{flex-direction:column!important;padding:22px!important;border-radius:22px!important}
  .udl-admin-topbar h1{font-size:30px!important}
  .udl-admin-cards,
  .udl-admin-grid{grid-template-columns:1fr!important}
  .udl-admin-box{padding:18px!important;border-radius:20px!important}
  .udl-admin-wrap table.widefat{
    display:block!important;
    max-width:100%!important;
    overflow-x:auto!important;
    -webkit-overflow-scrolling:touch!important;
  }
}
@media(max-width:560px){
  .udl-admin-shortcodes span{width:100%!important;align-items:flex-start!important;border-radius:14px!important}
  .udl-admin-cards{gap:12px!important}
  .udl-admin-card{min-height:auto!important;padding:18px!important}
  .udl-admin-card strong{font-size:30px!important}
  .udl-admin-wrap .button,
  .udl-admin-wrap button.button,
  .udl-admin-wrap .button-primary{width:100%!important;white-space:normal!important}
  .udl-admin-wrap table.widefat form{display:flex!important;width:100%!important}
  .udl-admin-wrap table.widefat input[type="text"],
  .udl-admin-wrap table.widefat select{max-width:none!important;width:100%!important}
}

/* v1.3 student mentor doubt, screenshots, focus check */
.udl-small-note{font-size:11px;color:#64748b;font-weight:700;margin-left:4px}
.udl-avatar.photo{padding:0;overflow:hidden;background:#eaf4ff;border:4px solid #fff;box-shadow:0 12px 30px rgba(15,60,136,.13)}
.udl-avatar.photo img{width:100%;height:100%;object-fit:cover;display:block}
.udl-mentor-card{background:rgba(255,255,255,.94);border:1px solid var(--udl-line);box-shadow:0 20px 48px rgba(15,60,136,.08);border-radius:24px;padding:22px;margin-top:18px}
.udl-mentor-card textarea{width:100%;min-height:96px;resize:vertical;border:1px solid #cbd5e1;border-radius:16px;padding:14px;background:#fff;color:#0f172a;font-size:15px;box-sizing:border-box;outline:none}
.udl-mentor-card textarea:focus{border-color:#1d64d8;box-shadow:0 0 0 4px rgba(29,100,216,.10)}
.udl-screenshot-drop{margin:12px 0 14px;border:1px dashed #93c5fd;background:#f8fbff;border-radius:18px;padding:16px;display:flex;flex-direction:column;gap:7px;color:#0f3c88;cursor:pointer}
.udl-screenshot-drop.has-file{border-style:solid;background:#eff6ff}
.udl-screenshot-drop strong{font-size:14px;color:#0f3c88}
.udl-screenshot-drop span{font-size:12px;color:#64748b;font-weight:700}
.udl-screenshot-drop input{margin-top:4px}
.udl-confirm-overlay{position:fixed;inset:0;background:rgba(15,23,42,.55);z-index:999999;display:flex;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(8px)}
.udl-confirm-box{width:min(460px,100%);background:#fff;border:1px solid #dbeafe;border-radius:28px;padding:28px;box-shadow:0 30px 90px rgba(15,23,42,.28);text-align:left}
.udl-confirm-box h2{margin:16px 0 8px;color:#0f3c88;font-size:30px;line-height:1.1}
.udl-confirm-box p{margin:0 0 18px;color:#64748b;line-height:1.6}
.udl-confirm-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.udl-student-card.break .udl-mini-status{background:#fff7ed;color:#c2410c}

/* v1.3 simplified room-wise admin */
.udl-room-admin .udl-simple-topbar{align-items:center!important}
.udl-admin-actions-top{display:flex;gap:10px;align-items:center;justify-content:flex-end;flex-wrap:wrap}
.udl-simple-cards{grid-template-columns:repeat(3,minmax(0,1fr))!important}
.udl-create-room-box{margin-bottom:22px!important}
.udl-inline-room-form{display:grid!important;grid-template-columns:1.2fr 1.4fr .5fr auto;gap:10px!important;align-items:end!important}
.udl-room-admin-list{display:flex;flex-direction:column;gap:24px;margin-top:20px}
.udl-room-admin-panel{background:#fff;border:1px solid #bfdbfe;border-radius:28px;box-shadow:0 24px 60px rgba(15,60,136,.09);overflow:hidden}
.udl-room-admin-head{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:24px;background:linear-gradient(135deg,#f8fbff,#eff6ff);border-bottom:1px solid #dbeafe}
.udl-room-admin-head.compact{padding:0 0 14px;background:transparent;border:0}
.udl-room-admin-head h2{margin:4px 0 6px!important;color:#0f3c88!important;font-size:26px!important;line-height:1.1!important;font-weight:950!important;letter-spacing:-.4px!important}
.udl-room-admin-head h2:before{display:none!important}
.udl-room-admin-head p{margin:0!important;color:#64748b!important;font-size:14px!important;line-height:1.5!important}
.udl-room-number{display:inline-flex;background:#dbeafe;color:#0f3c88;border:1px solid #bfdbfe;border-radius:999px;padding:6px 10px;font-size:11px;font-weight:950;text-transform:uppercase;letter-spacing:.08em}
.udl-room-admin-status{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.udl-status-badge{display:inline-flex;align-items:center;border-radius:999px;padding:8px 12px;font-size:12px;font-weight:950;text-transform:uppercase;letter-spacing:.04em}
.udl-status-badge.open{background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}
.udl-status-badge.closed{background:#fff7ed;color:#c2410c;border:1px solid #fed7aa}
.udl-room-microcards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;padding:18px 24px;border-bottom:1px solid #eef2ff;background:#fff}
.udl-room-microcards>div{border:1px solid #dbeafe;border-radius:18px;background:#f8fbff;padding:14px;text-align:center}
.udl-room-microcards strong{display:block;color:#0f3c88;font-size:24px;line-height:1;font-weight:950}
.udl-room-microcards span{display:block;margin-top:7px;color:#64748b;font-size:12px;font-weight:850}
.udl-room-tools-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;padding:22px 24px;border-bottom:1px solid #eef2ff}
.udl-room-tool-box,.udl-room-data-box{background:#ffffff;border:1px solid #dbeafe;border-radius:22px;padding:18px;box-shadow:0 12px 26px rgba(15,60,136,.05)}
.udl-room-tool-box h3,.udl-room-data-box h3{margin:0 0 14px;color:#12376f;font-size:18px;font-weight:950}
.udl-room-tool-box form{display:flex!important;flex-direction:column;gap:10px!important}
.udl-room-tool-box input,.udl-room-tool-box textarea,.udl-room-tool-box select,.udl-inline-room-form input,.udl-answer-question-form input,.udl-answer-question-form select{width:100%!important;max-width:100%!important;border:1px solid #bfdbfe!important;border-radius:14px!important;padding:11px 13px!important;background:#fff!important;color:#0f172a!important;box-shadow:none!important}
.udl-room-tool-box textarea{min-height:76px!important;resize:vertical!important}
.udl-room-data-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;padding:22px 24px}
.udl-question-item{border:1px solid #e0e7ff;border-radius:18px;background:#f8fbff;padding:14px;margin-bottom:12px}
.udl-question-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.udl-question-meta strong{color:#12376f;font-weight:950}
.udl-question-meta span{color:#64748b;font-size:12px;font-weight:750}
.udl-question-meta em,.udl-poll-admin-row em,.udl-leader-admin-row em,.udl-permission-item em{font-style:normal;background:#eff6ff;color:#0f3c88;border:1px solid #bfdbfe;border-radius:999px;padding:5px 9px;font-size:11px;font-weight:950}
.udl-question-item p{margin:0 0 10px!important;color:#334155!important;line-height:1.55!important}
.udl-attachment-link{display:inline-flex;text-decoration:none!important;background:#0f3c88;color:#fff!important;border-radius:12px;padding:8px 11px;font-weight:900;font-size:12px;margin-bottom:10px}
.udl-answer-question-form{display:grid!important;grid-template-columns:1fr auto auto;gap:8px!important;align-items:center!important;margin-top:10px!important}
.udl-mini-section-title{font-size:12px;font-weight:950;text-transform:uppercase;letter-spacing:.08em;color:#0f3c88;margin:14px 0 8px;padding-top:4px}
.udl-poll-admin-row,.udl-leader-admin-row{display:grid;grid-template-columns:1fr auto auto;gap:10px;align-items:center;border:1px solid #e0e7ff;background:#f8fbff;border-radius:16px;padding:10px 12px;margin-bottom:8px}
.udl-poll-admin-row span,.udl-leader-admin-row span{color:#334155;font-weight:850}
.udl-leader-admin-row{grid-template-columns:auto 1fr auto}
.udl-leader-admin-row strong{color:#0f3c88}
.udl-permission-list{display:flex;flex-direction:column;gap:12px}
.udl-permission-item{display:grid;grid-template-columns:1fr auto 1.2fr;gap:14px;align-items:start;border:1px solid #dbeafe;background:#fff;border-radius:18px;padding:14px}
.udl-permission-item strong{display:block;color:#12376f;font-weight:950}
.udl-permission-item span{display:block;color:#64748b;font-size:12px;margin-top:2px}
.udl-permission-item p{margin:8px 0 0!important;color:#334155!important}
.udl-permission-item form{display:grid!important;grid-template-columns:auto 1fr auto;gap:8px!important;align-items:center!important}
.udl-admin-empty.small{padding:12px!important;border-radius:14px!important;font-size:13px!important}
@media(max-width:1050px){
  .udl-inline-room-form,.udl-room-tools-grid,.udl-room-data-grid,.udl-permission-item{grid-template-columns:1fr!important}
  .udl-room-microcards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .udl-answer-question-form,.udl-poll-admin-row,.udl-permission-item form{grid-template-columns:1fr!important}
}
@media(max-width:640px){
  .udl-confirm-actions{grid-template-columns:1fr}
  .udl-room-admin-head{flex-direction:column;padding:20px}
  .udl-room-admin-status{justify-content:flex-start}
  .udl-room-microcards,.udl-room-tools-grid,.udl-room-data-grid{padding:16px;grid-template-columns:1fr}
  .udl-room-admin-head h2{font-size:22px!important}
}

/* v1.4 room-join confirmation and faster simplified admin */
.udl-join-overlay{position:fixed;inset:0;background:rgba(15,23,42,.55);z-index:999999;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(8px)}
.udl-join-box{width:min(480px,100%);background:#fff;border:1px solid #dbeafe;border-radius:28px;padding:28px;box-shadow:0 30px 90px rgba(15,23,42,.28)}
.udl-join-box h2{margin:16px 0 8px;color:#0f3c88;font-size:30px;line-height:1.1;font-weight:950;letter-spacing:-.5px}
.udl-join-box p{margin:0 0 20px;color:#64748b;line-height:1.6;font-size:15px}
.udl-join-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.udl-join-yes-btn,.udl-join-no-btn{appearance:none;border:0;border-radius:16px;min-height:48px;padding:13px 16px;font-weight:950;font-size:14px;cursor:pointer;color:#fff;box-shadow:0 14px 30px rgba(15,23,42,.12)}
.udl-join-yes-btn{background:#16a34a}
.udl-join-no-btn{background:#dc2626}
.udl-join-yes-btn:hover,.udl-join-no-btn:hover{filter:brightness(.96);transform:translateY(-1px)}
.udl-join-yes-btn:disabled,.udl-join-no-btn:disabled{opacity:.7;cursor:not-allowed;transform:none}
.udl-admin-fast .udl-simple-cards{grid-template-columns:repeat(4,minmax(0,1fr))!important}
.udl-room-picker-box{margin-bottom:22px!important}
.udl-admin-room-picker{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:14px}
.udl-admin-room-card{display:flex;flex-direction:column;gap:8px;min-height:150px;padding:18px;border:1px solid #dbeafe;border-radius:22px;background:#fff;text-decoration:none!important;box-shadow:0 12px 26px rgba(15,60,136,.06);transition:.18s ease}
.udl-admin-room-card:hover{transform:translateY(-2px);border-color:#93c5fd;box-shadow:0 18px 42px rgba(15,60,136,.10)}
.udl-admin-room-card.selected{border:2px solid #1d64d8;background:linear-gradient(135deg,#ffffff,#eff6ff);box-shadow:0 20px 48px rgba(29,100,216,.15)}
.udl-admin-room-card strong{font-size:18px;line-height:1.2;color:#0f3c88;font-weight:950}
.udl-admin-room-card small{color:#64748b;font-size:13px;line-height:1.45;font-weight:750;flex:1}
.udl-admin-room-card-footer{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:6px}
.udl-admin-room-card-footer span{display:inline-flex;border:1px solid #dbeafe;border-radius:999px;padding:6px 9px;background:#f8fbff;color:#334155;font-size:11px;font-weight:900}
.udl-selected-room-panel{margin-top:22px;margin-bottom:22px}
@media(max-width:1100px){.udl-admin-room-picker{grid-template-columns:repeat(2,minmax(0,1fr))}.udl-admin-fast .udl-simple-cards{grid-template-columns:repeat(2,minmax(0,1fr))!important}}
@media(max-width:640px){.udl-join-actions{grid-template-columns:1fr}.udl-join-box h2{font-size:24px}.udl-admin-room-picker{grid-template-columns:1fr}.udl-admin-fast .udl-simple-cards{grid-template-columns:1fr!important}}


/* v1.5 quick fixes: reliable room join modal + instant admin room status */
.udl-room-btn{cursor:pointer!important;position:relative!important}
.udl-room-btn.is-closed{opacity:.72!important;background:#f8fafc!important;border-color:#cbd5e1!important;color:#64748b!important}
.udl-room-btn.is-closed em{background:#fee2e2!important;color:#991b1b!important;border-color:#fecaca!important}
.udl-join-overlay{display:none;position:fixed!important;inset:0!important;background:rgba(15,23,42,.58)!important;z-index:2147483000!important;align-items:center!important;justify-content:center!important;padding:20px!important;backdrop-filter:blur(8px)!important}
.udl-join-box{animation:udlPopIn .14s ease-out both!important}
@keyframes udlPopIn{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}
.udl-admin-toggle-room-form button[disabled]{opacity:.8!important;cursor:wait!important}
.udl-status-badge.open{background:#dcfce7!important;color:#166534!important;border-color:#bbf7d0!important}
.udl-status-badge.closed{background:#fee2e2!important;color:#991b1b!important;border-color:#fecaca!important}