:root{
  --ivory:#f7f3f0;--cream:#f2ede7;--paper:#fffdfa;--white:#fff;
  --sage:#3e4939;--sage-deep:#293326;--sage-soft:#e7ece3;
  --gold:#b89e80;--light-gold:#d8c599;--taupe:#ab9e8e;
  --line:#dfd9ce;--ink:#261f15;--muted:#6d675f;--danger:#8f433b;
  --success:#456442;--shadow-sm:0 5px 18px rgba(53,48,39,.06);
  --shadow-md:0 16px 42px rgba(53,48,39,.09);--shadow-lg:0 28px 70px rgba(53,48,39,.12);
  --serif:Georgia,"Times New Roman",serif;--sans:Inter,Aptos,"Segoe UI",Arial,sans-serif;
}
*{box-sizing:border-box}
html{font-size:14px;background:var(--ivory);scroll-behavior:smooth}
body{
  margin:0;min-height:100vh;color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;
  background:
    radial-gradient(circle at 88% 3%,rgba(216,197,153,.22),transparent 27rem),
    linear-gradient(145deg,var(--ivory),#f4efe8 58%,var(--cream));
}
button,input,textarea,select{font:inherit}
button,a{touch-action:manipulation;transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--light-gold);outline-offset:3px}

.topbar{
  min-height:84px;padding:10px clamp(18px,3vw,52px);display:flex;align-items:center;justify-content:space-between;gap:24px;
  position:sticky;top:0;z-index:50;background:rgba(247,243,240,.96);color:var(--ink);
  border-bottom:1px solid rgba(184,158,128,.52);box-shadow:0 8px 30px rgba(38,31,21,.07);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
}
.brand{display:flex;align-items:center;gap:20px;min-width:0;color:var(--sage);text-decoration:none}
.brand img{display:block;width:clamp(220px,21vw,318px);height:58px;object-fit:contain;object-position:left center;flex:none}
.brand span{
  padding-left:20px;border-left:1px solid var(--gold);font:700 .76rem var(--sans);
  letter-spacing:.18em;text-transform:uppercase;color:#806d5c;white-space:nowrap;
}
.top-actions{display:flex;align-items:center;justify-content:flex-end;gap:10px;min-width:0;color:var(--muted);font-size:.78rem}
#adminIdentity{max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.66)}
.top-actions button,.hero button,.learner-preview-button{
  min-height:42px;border:1px solid var(--sage);border-radius:999px;padding:9px 15px;background:transparent;color:var(--sage);
  font-weight:800;cursor:pointer;
}
.top-actions button:hover,.hero button:hover{background:var(--sage);color:#fff;box-shadow:var(--shadow-sm)}
.view-toggle{background:var(--sage)!important;color:#fff!important;border-color:var(--sage)!important}
.view-toggle:hover{background:var(--sage-deep)!important}

main{width:min(1540px,calc(100% - 40px));margin:0 auto;padding:24px 0 48px}
.access-card{
  width:min(600px,100%);margin:5vh auto;padding:42px;border:1px solid var(--line);border-radius:24px;
  background:rgba(255,253,250,.94);box-shadow:var(--shadow-lg);
}
.eyebrow{margin:0 0 8px;color:#8b6c4f;font-size:.66rem;font-weight:900;letter-spacing:.19em;text-transform:uppercase}
h1,h2,h3{margin:.12em 0;color:var(--ink);font-family:var(--serif);font-weight:600;letter-spacing:-.025em}
.access-card h1{font-size:clamp(2.4rem,4vw,4.1rem);line-height:.98}
.access-card p{color:var(--muted);line-height:1.65}
label{display:block;margin:14px 0 7px;color:var(--ink);font-size:.78rem;font-weight:800}
input,textarea,select{
  width:100%;min-height:44px;padding:10px 12px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--ink);
}
input:hover,textarea:hover,select:hover{border-color:#c7bbae}
input:focus,textarea:focus,select:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(216,197,153,.28)}
.access-card form button,.settings button{
  min-height:44px;border:0;border-radius:999px;padding:11px 20px;background:var(--sage);color:#fff;font-weight:900;cursor:pointer;
}
.access-card form button:hover,.settings button:hover{background:var(--sage-deep);box-shadow:var(--shadow-sm)}
.text-button{display:inline-flex;align-items:center;min-height:44px;border:0;background:transparent;color:#775b43;padding:10px 0;text-decoration:underline;text-underline-offset:4px;cursor:pointer}
.invite-link{margin-left:14px}.message{min-height:1.3em}

.hero{
  position:relative;isolation:isolate;overflow:hidden;min-height:176px;padding:30px 34px;display:flex;justify-content:space-between;align-items:flex-end;
  border:1px solid rgba(216,197,153,.48);border-radius:24px;color:#fff;background:linear-gradient(115deg,var(--sage-deep),var(--sage));
  box-shadow:var(--shadow-md);
}
.hero::before{content:"";position:absolute;z-index:-1;width:420px;height:420px;right:-110px;top:-250px;border:1px solid rgba(216,197,153,.42);border-radius:50%;box-shadow:0 0 0 46px rgba(216,197,153,.045),0 0 0 92px rgba(216,197,153,.025)}
.hero::after{content:"ADMINISTRATION";position:absolute;z-index:-1;right:30px;bottom:11px;color:rgba(255,255,255,.045);font:700 clamp(3rem,8vw,8rem)/1 var(--serif);letter-spacing:.05em}
.hero h1{font-size:clamp(2.6rem,4.1vw,5rem);line-height:.9;color:#fff}
.hero .eyebrow{color:var(--light-gold)}
.hero p{max-width:690px;margin:.6rem 0 0;color:rgba(255,255,255,.78);line-height:1.55}
.hero button{position:relative;z-index:1;border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.06)}
.hero button:hover{background:#fff;color:var(--sage)}

.metrics{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin:14px 0}
.metric{
  position:relative;overflow:hidden;padding:16px 18px;border:1px solid var(--line);border-radius:14px;background:rgba(255,253,250,.92);
  box-shadow:var(--shadow-sm);
}
.metric::after{content:"";position:absolute;inset:0 auto 0 0;width:3px;background:var(--gold)}
.metric strong{display:block;color:var(--sage);font:700 1.8rem/1 var(--serif);font-variant-numeric:tabular-nums}
.metric span{display:block;margin-top:6px;color:var(--muted);font-size:.72rem;font-weight:700}

.tabs{
  position:sticky;top:84px;z-index:40;display:flex;gap:7px;overflow-x:auto;padding:9px 0 11px;margin-bottom:2px;
  background:linear-gradient(var(--ivory) 72%,transparent);scrollbar-width:thin;
}
.tabs button{
  min-height:40px;white-space:nowrap;border:1px solid var(--line);border-radius:999px;padding:8px 14px;background:rgba(255,253,250,.92);
  color:var(--sage);cursor:pointer;font-size:.75rem;font-weight:800;box-shadow:0 2px 8px rgba(38,31,21,.025);
}
.tabs button:hover{border-color:var(--gold);background:#fff}
.tabs button.active{border-color:var(--sage);background:var(--sage);color:#fff;box-shadow:0 8px 20px rgba(62,73,57,.16)}

.panel{
  display:none;padding:22px;border:1px solid var(--line);border-radius:20px;background:rgba(255,253,250,.94);
  box-shadow:var(--shadow-md);
}
.panel.active{display:block}
.panel-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:17px;padding-bottom:15px;border-bottom:1px solid var(--line)}
.panel-heading h2{font-size:1.95rem}
.panel-heading input{width:min(340px,100%)}
.helper{max-width:760px;margin:.38rem 0 0;color:var(--muted);line-height:1.55}
.learner-preview-button{flex:none;background:var(--sage);color:#fff;border-color:var(--sage)}
.learner-preview-button:hover{background:var(--sage-deep)}
.qa-legend{
  display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 13px;margin-bottom:14px;border:1px solid var(--line);
  border-radius:11px;background:var(--cream);color:var(--muted);font-size:.73rem;
}
.qa-legend span{display:flex;align-items:center;gap:8px}.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block}.status-dot.ready{background:var(--success);box-shadow:0 0 0 4px rgba(69,100,66,.12)}

.lesson-qa-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.lesson-qa-card{
  position:relative;isolation:isolate;overflow:hidden;min-height:178px;padding:20px 18px 17px;
  display:grid;grid-template-columns:auto minmax(0,1fr);gap:14px;
  border:1px solid rgba(171,158,142,.42);border-radius:16px;
  background:linear-gradient(155deg,#fff 0%,#fffdfa 72%,rgba(216,197,153,.13) 100%);
  box-shadow:0 5px 16px rgba(38,31,21,.035);
}
.lesson-qa-card::before{
  content:"";position:absolute;z-index:-1;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--gold),var(--light-gold) 45%,transparent 88%);
  transform:scaleX(.28);transform-origin:left;transition:transform .28s ease-out;
}
.lesson-qa-card::after{
  content:"";position:absolute;z-index:-1;width:126px;height:126px;right:-82px;bottom:-86px;
  border:1px solid rgba(184,158,128,.3);border-radius:50%;box-shadow:0 0 0 22px rgba(216,197,153,.035);
}
.lesson-qa-card:hover{
  border-color:rgba(184,158,128,.82);box-shadow:0 16px 34px rgba(62,73,57,.11);
  transform:translateY(-3px);background:linear-gradient(155deg,#fff 0%,#fffdfa 66%,rgba(216,197,153,.2) 100%);
}
.lesson-qa-card:hover::before{transform:scaleX(1)}
.lesson-qa-number{
  width:44px;height:44px;display:grid;place-items:center;position:relative;
  border:1px solid rgba(184,158,128,.62);border-radius:50%;
  background:linear-gradient(145deg,#fff,var(--cream));color:var(--sage);
  font:700 .82rem var(--serif);box-shadow:0 0 0 5px rgba(216,197,153,.11);
}
.lesson-qa-copy{min-width:0;display:flex;flex-direction:column;height:100%}
.lesson-qa-copy>span{
  display:flex;align-items:center;gap:8px;color:#8b6c4f;font-size:.59rem;font-weight:900;letter-spacing:.14em;text-transform:uppercase;
}
.lesson-qa-copy>span::after{content:"";height:1px;min-width:20px;flex:1;background:linear-gradient(90deg,rgba(184,158,128,.55),transparent)}
.lesson-qa-copy h3{
  max-width:95%;min-height:2.45em;margin:8px 0 15px;color:var(--ink);
  font:600 1.22rem/1.08 var(--serif);letter-spacing:-.025em;
}
.lesson-qa-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:auto}
.lesson-qa-actions button{
  min-height:38px;padding:8px 11px;border:1px solid var(--line);border-radius:8px;
  background:var(--cream);color:var(--sage);cursor:pointer;font-size:.67rem;font-weight:850;
}
.lesson-qa-actions button:first-child{
  border-color:var(--sage);background:var(--sage);color:#fff;box-shadow:0 6px 14px rgba(62,73,57,.14);
}
.lesson-qa-actions button:first-child::after{content:"  →";color:var(--light-gold)}
.lesson-qa-actions button:hover{border-color:var(--gold);background:#fff;box-shadow:0 6px 14px rgba(38,31,21,.08)}
.lesson-qa-actions button:first-child:hover{border-color:var(--sage-deep);background:var(--sage-deep);color:#fff}
.lesson-qa-actions button:active{transform:translateY(1px)}

.table-wrap{overflow:auto;max-height:58vh;border:1px solid var(--line);border-radius:12px;background:#fff;scrollbar-color:var(--gold) var(--cream)}
table{width:100%;min-width:920px;border-collapse:separate;border-spacing:0}
th,td{padding:11px 12px;text-align:left;vertical-align:top;border-bottom:1px solid #e9e3da;font-size:.76rem}
th{
  position:sticky;top:0;z-index:2;background:var(--cream);color:var(--sage);font-size:.61rem;font-weight:900;
  letter-spacing:.1em;text-transform:uppercase;
}
tbody tr{transition:background-color .18s ease}tbody tr:hover{background:#fbf7f1}
td strong{color:var(--ink)}td small{display:block;margin-top:4px;color:var(--muted)}
.badge{display:inline-flex;align-items:center;min-height:25px;padding:4px 8px;border:1px solid transparent;border-radius:999px;background:#ece7df;color:#61584e;font-size:.63rem;font-weight:850}
.badge.active,.badge.valid,.badge.completed{border-color:#cbd8c6;background:#e4ede0;color:#355032}
.badge.revoked,.badge.refunded{border-color:#e2c4bf;background:#f4e2df;color:#78372f}
.badge.owner{border-color:#d9c28d;background:#f5e8c8;color:#674b21}.badge.admin{border-color:#cbd8c6;background:#e4ede0;color:#355032}.badge.pending{border-color:#dfd0bc;background:#f2e9dc;color:#705a3d}
.row-actions{display:flex;gap:6px;flex-wrap:wrap}
.row-actions button{
  min-height:32px;padding:6px 9px;border:1px solid var(--line);border-radius:7px;background:#fff;color:var(--sage);cursor:pointer;font-size:.66rem;font-weight:800;
}
.row-actions button:hover{border-color:var(--gold);background:var(--cream)}
.row-actions .danger{color:var(--danger);border-color:#d9aaa4}.row-actions .danger:hover{background:#f5e5e2}

.settings{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:800px}
.settings .checkbox,.settings button{grid-column:1/-1}.checkbox{display:flex;align-items:center;gap:10px}.checkbox input{width:auto;min-height:auto}
.empty{padding:30px;text-align:center;color:var(--muted)}
.toast{
  position:fixed;right:20px;bottom:20px;z-index:1000;max-width:min(420px,calc(100vw - 40px));padding:12px 16px;
  border:1px solid rgba(216,197,153,.42);border-radius:11px;background:var(--sage-deep);color:#fff;box-shadow:0 18px 52px #0004;
  opacity:0;transform:translateY(12px);pointer-events:none;transition:.22s ease-out;
}
.toast.show{opacity:1;transform:none}
dialog{width:min(520px,92vw);padding:0;border:1px solid var(--line);border-radius:18px;background:var(--paper);box-shadow:0 30px 90px #0005}
dialog::backdrop{background:rgba(38,31,21,.58);backdrop-filter:blur(4px)}
dialog form{padding:26px}dialog form>div{display:flex;justify-content:flex-end;gap:9px;margin-top:19px}
dialog button{min-height:40px;padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;font-weight:800;cursor:pointer}
.danger{background:var(--danger)!important;color:#fff!important}

.admin-invite-layout{display:grid;grid-template-columns:minmax(280px,.72fr) minmax(0,1.8fr);gap:16px;align-items:start}
.invite-card,.administrator-list{padding:18px;border:1px solid var(--line);border-radius:14px;background:#fff}
.invite-card{border-top:3px solid var(--gold)}
.administrator-list h3{margin-bottom:13px;font-size:1.35rem}
.admin-invite-form{display:grid;gap:9px}.admin-invite-form label{margin:0}
.admin-invite-form button,.setup-dialog form button[type="submit"]{
  min-height:44px;margin-top:6px;padding:11px 16px;border:0;border-radius:999px;background:var(--sage);color:#fff;font-weight:900;cursor:pointer;
}
.admin-invite-form button:hover,.setup-dialog form button[type="submit"]:hover{background:var(--sage-deep)}
.admin-invite-form button:disabled{opacity:.55;cursor:wait}
.setup-dialog form>p{color:var(--muted);line-height:1.55}.setup-dialog form>div{justify-content:flex-start}

@media(max-width:1180px){.lesson-qa-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:900px){
  .topbar{min-height:72px}.brand img{width:210px;height:48px}.brand span{display:none}
  .admin-invite-layout{grid-template-columns:1fr}.metrics{grid-template-columns:repeat(3,1fr)}
  .hero{align-items:flex-start;flex-direction:column}.settings{grid-template-columns:1fr}
  .panel-heading{align-items:flex-start;flex-direction:column}.lesson-qa-grid{grid-template-columns:repeat(2,1fr)}
  .tabs{top:72px}
}
@media(max-width:620px){
  html{font-size:16px}.topbar{padding:8px 14px;gap:10px}.brand img{width:180px;height:44px}
  #adminIdentity{display:none}.top-actions{gap:6px}.top-actions button{min-height:40px;padding:8px 10px;font-size:.67rem}
  main{width:calc(100% - 20px);padding-top:14px}.access-card{padding:28px 22px}
  .metrics{grid-template-columns:repeat(2,1fr)}.panel{padding:14px}.lesson-qa-grid{grid-template-columns:1fr}
  .qa-legend{align-items:flex-start;flex-direction:column}.hero{padding:25px 22px}.hero h1{font-size:2.65rem}
  .tabs{top:72px}.invite-link{margin-left:0;display:flex}.panel-heading h2{font-size:1.7rem}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}

/* Password recovery dialog — keep labels, entries, and primary action unobstructed. */
#passwordRecoveryDialog{max-height:min(680px,calc(100dvh - 32px));overflow:auto}
#passwordRecoveryForm{display:grid;gap:16px;padding:30px 32px}
#passwordRecoveryForm>p,#passwordRecoveryForm>h2,#passwordRecoveryForm>label{margin:0}
#passwordRecoveryForm>label{display:grid;gap:8px;color:var(--ink);font-size:.8rem;font-weight:850}
#passwordRecoveryForm input{
  display:block;margin:0;min-height:54px;padding:13px 15px;
  background:var(--white);color:var(--ink);caret-color:var(--sage);
  border:1px solid #cfc5b8;border-radius:11px;
  -webkit-text-fill-color:var(--ink);
}
#passwordRecoveryForm input:focus{
  outline:2px solid var(--light-gold);outline-offset:2px;
  border-color:var(--gold);box-shadow:0 0 0 5px rgba(216,197,153,.22);
}
#passwordRecoveryForm .message{min-height:0;margin:0;color:var(--danger)}
#passwordRecoveryForm>div{margin-top:2px;justify-content:stretch}
#passwordRecoveryForm button[type="submit"]{width:100%;min-height:50px}
#passwordRecoveryForm button[type="submit"]:disabled{opacity:.62;cursor:wait}
@media(max-width:620px){
  #passwordRecoveryForm{gap:14px;padding:24px 20px}
  #passwordRecoveryDialog{width:calc(100vw - 20px)}
}