/* ===========================================================================
   ISHRAE LMS — Premium theme
   Palette: white, near-black, dark blue, light blue, success green
   ========================================================================= */
:root{
  --white:#ffffff;
  --ink:#111418;
  --ink-soft:#4a5361;
  --muted:#8a93a3;
  --line:#eef1f6;
  --bg:#f6f8fc;

  --navy:#0b2c5e;
  --navy-2:#123a78;
  --blue:#2e86de;
  --blue-light:#eaf3ff;
  --sky:#4fa3f7;
  --green:#16a34a;
  --green-light:#e8f7ee;
  --amber:#f59e0b;
  --red:#e5484d;

  --grad-navy:linear-gradient(135deg,#0b2c5e 0%,#123a78 55%,#2e86de 130%);
  --grad-blue:linear-gradient(135deg,#2e86de,#4fa3f7);

  --shadow-sm:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.05);
  --shadow:0 10px 30px rgba(16,24,40,.08);
  --shadow-lg:0 24px 60px rgba(11,44,94,.16);

  --r-sm:10px; --r:16px; --r-lg:22px; --r-xl:28px;
  --sidebar-w:264px;
  --font:"Plus Jakarta Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}

*{box-sizing:border-box}
html,body{margin:0}
body{font-family:var(--font);color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
img{max-width:100%}
::selection{background:var(--blue);color:#fff}

/* ---------- App shell ---------- */
.app-shell{display:flex;min-height:100vh}
.app-main{flex:1;min-width:0;display:flex;flex-direction:column}
.app-content{padding:28px 32px 48px;max-width:1400px;width:100%;margin:0 auto}

/* ---------- Sidebar ---------- */
.sidebar{
  width:var(--sidebar-w);flex-shrink:0;background:var(--grad-navy);color:#dbe6f7;
  padding:26px 18px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
}
.sidebar-brand{display:flex;align-items:center;gap:12px;padding:6px 10px 22px}
.brand-logo{height:34px;background:#fff;border-radius:8px;padding:5px 8px}
.brand-text{font-weight:800;font-size:19px;color:#fff;letter-spacing:.2px}
.sidebar-nav{display:flex;flex-direction:column;gap:4px;flex:1}
.nav-label{font-size:11px;text-transform:uppercase;letter-spacing:.14em;color:#8fa8cf;margin:18px 12px 8px}
.nav-item{display:flex;align-items:center;gap:13px;padding:12px 14px;border-radius:12px;
  color:#c6d4ec;font-weight:600;font-size:14.5px;transition:.2s}
.nav-item i{width:20px;text-align:center;font-size:16px}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-item.active{background:#fff;color:var(--navy);box-shadow:var(--shadow)}
.sidebar-cta{margin-top:16px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r);padding:18px;text-align:center;font-size:13px;color:#dbe6f7}
.cta-icon{width:44px;height:44px;border-radius:12px;background:var(--grad-blue);display:grid;
  place-items:center;margin:0 auto 10px;color:#fff;font-size:19px}
.sidebar-backdrop{display:none}

/* ---------- Topbar ---------- */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:16px;
  padding:14px 32px;background:rgba(255,255,255,.85);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)}
.topbar-search{flex:1;max-width:440px;display:flex;align-items:center;gap:10px;background:var(--bg);
  border:1px solid var(--line);border-radius:999px;padding:10px 18px;color:var(--muted)}
.topbar-search input{border:0;background:transparent;outline:none;width:100%;font-family:var(--font);font-size:14px;color:var(--ink)}
.topbar-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.btn-icon{position:relative;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink-soft);cursor:pointer;transition:.2s}
.btn-icon:hover{color:var(--blue);border-color:#d6e4fb;box-shadow:var(--shadow-sm)}
.btn-icon .dot{position:absolute;top:9px;right:10px;width:8px;height:8px;border-radius:50%;background:var(--red);border:2px solid #fff}
.topbar-user{display:flex;align-items:center;gap:11px}
.avatar{width:42px;height:42px;border-radius:12px;background:var(--grad-blue);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:15px}
.topbar-user-meta{display:flex;flex-direction:column;line-height:1.2}
.topbar-user-meta strong{font-size:14px}
.topbar-user-meta span{font-size:12px;color:var(--muted)}

/* ---------- Headings ---------- */
.page-head{margin-bottom:24px}
.page-head h1{font-size:26px;font-weight:800;margin:0 0 4px}
.page-head p{color:var(--muted);margin:0;font-size:14.5px}
.section-title{font-size:18px;font-weight:800;margin:30px 0 16px;display:flex;align-items:center;gap:10px}
.section-title .link{margin-left:auto;font-size:13px;font-weight:600;color:var(--blue)}

/* ---------- Cards ---------- */
.card-lux{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);transition:.25s}
.card-lux:hover{box-shadow:var(--shadow);transform:translateY(-2px)}

/* ---------- Welcome / hero ---------- */
.welcome{position:relative;overflow:hidden;background:var(--grad-navy);color:#fff;border-radius:var(--r-xl);
  padding:30px 34px;box-shadow:var(--shadow-lg)}
.welcome::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(79,163,247,.5),transparent 60%)}
.welcome h2{font-size:24px;font-weight:800;margin:0 0 6px;position:relative}
.welcome p{margin:0;color:#c9d8f2;position:relative;max-width:560px}
.welcome-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:18px;position:relative}
.welcome-meta div{font-size:13px;color:#b9cbec}
.welcome-meta strong{display:block;font-size:15px;color:#fff}

/* ---------- Stat tiles ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:18px;margin-top:18px}
.stat-ic.purple{background:linear-gradient(135deg,#7c3aed,#a855f7)}
.stat{display:flex;align-items:center;gap:16px;padding:20px;border-radius:var(--r-lg);background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-sm)}
.stat-ic{width:52px;height:52px;border-radius:14px;display:grid;place-items:center;font-size:21px;color:#fff}
.stat-ic.blue{background:var(--grad-blue)} .stat-ic.navy{background:var(--grad-navy)}
.stat-ic.green{background:linear-gradient(135deg,#16a34a,#4ade80)}
.stat-ic.amber{background:linear-gradient(135deg,#f59e0b,#fbbf24)}
.stat h3{margin:0;font-size:24px;font-weight:800}
.stat span{font-size:13px;color:var(--muted)}

/* ---------- Course grid ---------- */
.course-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.course-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:.25s;display:flex;flex-direction:column}
.course-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.course-thumb{position:relative;aspect-ratio:16/9;background:var(--grad-navy);overflow:hidden}
.course-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.course-card:hover .course-thumb img{transform:scale(1.06)}
.course-thumb .badge-diff{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);
  color:var(--navy);font-size:11px;font-weight:700;padding:5px 11px;border-radius:999px}
.course-thumb .play-fab{position:absolute;inset:0;display:grid;place-items:center;opacity:0;transition:.25s}
.course-card:hover .play-fab{opacity:1}
.play-fab i{width:56px;height:56px;border-radius:50%;background:rgba(255,255,255,.95);color:var(--blue);
  display:grid;place-items:center;font-size:20px;box-shadow:var(--shadow)}
.course-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.course-body h3{font-size:16px;font-weight:700;margin:0 0 8px;line-height:1.35}
.course-body .desc{font-size:13px;color:var(--muted);margin:0 0 14px;flex:1;display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.course-meta{display:flex;gap:16px;font-size:12.5px;color:var(--ink-soft);margin-bottom:14px}
.course-meta i{color:var(--blue);margin-right:5px}

/* ---------- Progress bar ---------- */
.progress-lux{height:8px;background:var(--line);border-radius:999px;overflow:hidden}
.progress-lux>span{display:block;height:100%;border-radius:999px;background:var(--grad-blue);
  transition:width .8s cubic-bezier(.2,.8,.2,1)}
.progress-lux.green>span{background:linear-gradient(135deg,#16a34a,#4ade80)}
.progress-row{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);margin:6px 0 12px}

/* ---------- Buttons ---------- */
.btn-lux{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:0;cursor:pointer;
  font-family:var(--font);font-weight:700;font-size:14px;padding:12px 20px;border-radius:12px;
  background:var(--grad-blue);color:#fff;transition:.2s;box-shadow:0 8px 20px rgba(46,134,222,.28)}
.btn-lux:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(46,134,222,.36);color:#fff}
.btn-lux.navy{background:var(--grad-navy);box-shadow:0 8px 20px rgba(11,44,94,.3)}
.btn-lux.green{background:linear-gradient(135deg,#16a34a,#22c55e);box-shadow:0 8px 20px rgba(22,163,74,.3)}
.btn-lux.ghost{background:#fff;color:var(--navy);border:1px solid var(--line);box-shadow:none}
.btn-lux.ghost:hover{border-color:#cfe0fb;color:var(--blue)}
.btn-lux.full{width:100%}
.btn-lux:disabled{opacity:.55;cursor:not-allowed;transform:none}

/* ---------- Course detail ---------- */
.detail-banner{position:relative;border-radius:var(--r-xl);overflow:hidden;background:var(--grad-navy);
  color:#fff;padding:38px 36px;box-shadow:var(--shadow-lg);min-height:210px;display:flex;flex-direction:column;justify-content:flex-end}
.detail-banner::before{content:"";position:absolute;inset:0;background:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="40" height="40"><path d="M0 39h40M39 0v40" stroke="rgba(255,255,255,.05)"/></svg>')}
.detail-banner .crumb{font-size:13px;color:#b9cbec;position:relative;margin-bottom:10px}
.detail-banner h1{font-size:30px;font-weight:800;margin:0 0 10px;position:relative;max-width:720px}
.detail-tags{display:flex;flex-wrap:wrap;gap:10px;position:relative}
.tag{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2);padding:6px 13px;
  border-radius:999px;font-size:12.5px;font-weight:600}
.tag i{margin-right:6px}
.detail-grid{display:grid;grid-template-columns:1fr 340px;gap:24px;margin-top:24px}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-sm);margin-bottom:22px}
.panel h3{font-size:17px;font-weight:800;margin:0 0 14px}
.panel p{color:var(--ink-soft);line-height:1.7;font-size:14.5px}

/* ---------- Video list ---------- */
.vlist{display:flex;flex-direction:column;gap:10px}
.vrow{display:flex;align-items:center;gap:14px;padding:13px 15px;border:1px solid var(--line);
  border-radius:14px;transition:.2s;cursor:pointer}
.vrow:hover{border-color:#cfe0fb;background:var(--blue-light)}
.vrow .vnum{width:38px;height:38px;border-radius:11px;background:var(--bg);display:grid;place-items:center;
  color:var(--blue);font-weight:700;flex-shrink:0}
.vrow.done .vnum{background:var(--green-light);color:var(--green)}
.vrow .vinfo{flex:1;min-width:0}
.vrow .vinfo b{font-size:14.5px;font-weight:600;display:block}
.vrow .vinfo small{color:var(--muted);font-size:12.5px}
.vrow .vstate{font-size:12px;font-weight:700;color:var(--muted)}
.vrow.done .vstate{color:var(--green)}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:8px}
.timeline .titem{position:relative;padding:0 0 26px 34px}
.timeline .titem::before{content:"";position:absolute;left:9px;top:24px;bottom:-2px;width:2px;background:var(--line)}
.timeline .titem:last-child::before{display:none}
.tdot{position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:50%;background:#fff;
  border:2px solid var(--blue);display:grid;place-items:center;font-size:10px;color:var(--blue)}
.titem.done .tdot{background:var(--green);border-color:var(--green);color:#fff}
.titem.done .tdot::after{content:"\2713"}
.titem h4{font-size:14.5px;font-weight:700;margin:0}
.titem span{font-size:12.5px;color:var(--muted)}
.titem.done h4{color:var(--green)}

/* ---------- PDF cards ---------- */
.pdf-card{display:flex;align-items:center;gap:14px;padding:14px 16px;border:1px solid var(--line);
  border-radius:14px;margin-bottom:10px;transition:.2s}
.pdf-card:hover{border-color:#cfe0fb;box-shadow:var(--shadow-sm)}
.pdf-ic{width:46px;height:46px;border-radius:12px;background:#fdeceb;color:var(--red);display:grid;place-items:center;font-size:20px}
.pdf-card .meta{flex:1;min-width:0}
.pdf-card .meta b{font-size:14px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pdf-card .meta small{color:var(--muted);font-size:12px}

/* ---------- Video player page ---------- */
.player-wrap{background:#000;border-radius:var(--r-lg);overflow:hidden;position:relative;box-shadow:var(--shadow-lg)}
.player-wrap video{display:block;width:100%;aspect-ratio:16/9;background:#000}
.player-processing{aspect-ratio:16/9;display:grid;place-items:center;color:#cbd5e1;text-align:center;gap:8px;background:var(--grad-navy)}
.player-processing i{font-size:34px;margin-bottom:8px}
.pcontrols{position:absolute;left:0;right:0;bottom:0;padding:14px 18px 12px;
  background:linear-gradient(transparent,rgba(0,0,0,.78));opacity:0;transition:.25s}
.player-wrap:hover .pcontrols,.pcontrols.show{opacity:1}
.pbar{height:6px;background:rgba(255,255,255,.25);border-radius:999px;cursor:pointer;position:relative}
.pbar .buff{position:absolute;left:0;top:0;bottom:0;background:rgba(255,255,255,.25);border-radius:999px}
.pbar .fill{position:absolute;left:0;top:0;bottom:0;width:0;background:var(--grad-blue);border-radius:999px}
.pbar .knob{position:absolute;top:50%;transform:translate(-50%,-50%);width:14px;height:14px;border-radius:50%;background:#fff;box-shadow:0 0 0 4px rgba(46,134,222,.4);left:0}
.prow{display:flex;align-items:center;gap:16px;margin-top:10px;color:#fff}
.prow button{background:none;border:0;color:#fff;font-size:17px;cursor:pointer;opacity:.9;transition:.15s}
.prow button:hover{opacity:1;transform:scale(1.08)}
.prow .ptime{font-size:13px;color:#e5edf8;font-variant-numeric:tabular-nums}
.prow .spacer{flex:1}
.prow select{background:rgba(255,255,255,.14);color:#fff;border:0;border-radius:8px;padding:5px 8px;font-family:var(--font);font-size:12.5px;cursor:pointer}
.prow input[type=range]{width:84px;accent-color:var(--sky)}
.resume-flag{position:absolute;top:16px;left:16px;background:rgba(11,44,94,.85);color:#fff;font-size:12.5px;
  font-weight:600;padding:8px 14px;border-radius:999px;display:flex;gap:8px;align-items:center;z-index:3;
  animation:fadeSlide .4s ease}
.badge-complete{position:absolute;top:16px;right:16px;background:var(--green);color:#fff;font-size:12.5px;
  font-weight:700;padding:8px 14px;border-radius:999px;z-index:3;display:none;align-items:center;gap:7px}
@keyframes fadeSlide{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ---------- Certificate ---------- */
.cert-lock{text-align:center;padding:40px 24px}
.cert-lock .lock-ic{width:90px;height:90px;border-radius:26px;background:var(--bg);color:var(--muted);
  display:grid;place-items:center;font-size:38px;margin:0 auto 18px}
.cert-earned .lock-ic{background:var(--green-light);color:var(--green)}
.cert-lock h3{font-size:20px;font-weight:800;margin:0 0 6px}
.cert-lock p{color:var(--muted);max-width:420px;margin:0 auto 18px}
.certificate-paper{background:#fff;border:2px solid var(--navy);border-radius:var(--r-lg);padding:44px;
  text-align:center;position:relative;box-shadow:var(--shadow);max-width:760px;margin:0 auto}
.certificate-paper::before{content:"";position:absolute;inset:12px;border:1px solid #cfe0fb;border-radius:14px;pointer-events:none}
.certificate-paper .seal{width:70px;height:70px;border-radius:50%;background:var(--grad-navy);color:#fff;
  display:grid;place-items:center;font-size:26px;margin:0 auto 14px}
.certificate-paper h2{font-family:var(--font);font-size:16px;letter-spacing:.24em;color:var(--blue);text-transform:uppercase;margin:0 0 6px}
.certificate-paper .name{font-size:34px;font-weight:800;color:var(--navy);margin:14px 0}
.certificate-paper .course{font-size:18px;color:var(--ink);margin-bottom:18px}
.certificate-paper .foot{display:flex;justify-content:space-between;margin-top:34px;font-size:13px;color:var(--muted)}

/* ---------- Empty / skeleton / toast ---------- */
.empty{text-align:center;padding:56px 20px;color:var(--muted)}
.empty i{font-size:44px;color:#d6deea;margin-bottom:14px}
.skeleton{background:linear-gradient(90deg,#eef1f6 25%,#f6f8fc 37%,#eef1f6 63%);background-size:400% 100%;animation:sk 1.3s infinite;border-radius:8px}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}
.toast-stack{position:fixed;right:22px;bottom:22px;display:flex;flex-direction:column;gap:12px;z-index:9999}
.toast-lux{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);
  border-left:4px solid var(--blue);border-radius:12px;padding:14px 18px;box-shadow:var(--shadow-lg);
  min-width:280px;animation:fadeSlide .3s ease;font-size:14px}
.toast-lux.success{border-left-color:var(--green)} .toast-lux.error{border-left-color:var(--red)}
.toast-lux i{font-size:18px} .toast-lux.success i{color:var(--green)} .toast-lux.error i{color:var(--red)} .toast-lux i{color:var(--blue)}

/* ---------- Login ---------- */
.login-wrap{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr}
.login-brandside{position:relative;overflow:hidden;background:var(--grad-navy);color:#fff;
  padding:56px;display:flex;flex-direction:column;justify-content:space-between}
.login-brandside::after{content:"";position:absolute;right:-100px;bottom:-120px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(79,163,247,.45),transparent 60%)}
.login-brandside .lb-logo{height:40px;background:#fff;border-radius:10px;padding:7px 12px;width:max-content}
.login-brandside h1{font-size:38px;font-weight:800;line-height:1.15;position:relative;max-width:440px}
.login-brandside p{color:#c9d8f2;max-width:420px;position:relative}
.lb-points{display:flex;flex-direction:column;gap:14px;position:relative}
.lb-points div{display:flex;gap:12px;align-items:center;font-size:14.5px;color:#dbe6f7}
.lb-points i{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.14);display:grid;place-items:center}
.login-formside{display:grid;place-items:center;padding:40px;background:var(--bg)}
.login-card{width:100%;max-width:410px;background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:38px 34px;box-shadow:var(--shadow-lg)}
.login-card h2{font-size:24px;font-weight:800;margin:0 0 4px}
.login-card .sub{color:var(--muted);font-size:14px;margin:0 0 24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:7px;color:var(--ink-soft)}
.field .input{display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:12px;
  padding:12px 14px;background:#fff;transition:.2s}
.field .input:focus-within{border-color:var(--blue);box-shadow:0 0 0 4px rgba(46,134,222,.12)}
.field .input i{color:var(--muted)}
.field .input input{border:0;outline:none;width:100%;font-family:var(--font);font-size:15px;background:transparent}
.login-err{display:none;align-items:center;gap:9px;background:#fdeceb;border:1px solid #f7cdcd;color:#b42318;
  padding:11px 14px;border-radius:11px;font-size:13.5px;margin-bottom:16px}
.login-err.show{display:flex;animation:shake .4s}
@keyframes shake{0%,100%{transform:translateX(0)}20%,60%{transform:translateX(-6px)}40%,80%{transform:translateX(6px)}}
.login-hint{margin-top:18px;text-align:center;font-size:12.5px;color:var(--muted)}
.login-hint b{color:var(--ink-soft)}

/* ---------- Quiz ---------- */
.quiz-wrap{max-width:820px}
.qcard{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px 24px;margin-bottom:16px;box-shadow:var(--shadow-sm)}
.qcard .qnum{display:inline-block;font-size:12px;font-weight:800;color:var(--blue);background:var(--blue-light);padding:4px 10px;border-radius:999px;margin-bottom:10px}
.qcard .qtext{font-size:16.5px;font-weight:700;margin:0 0 16px}
.qopts{display:flex;flex-direction:column;gap:10px}
.qopt{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:12px;padding:12px 15px;cursor:pointer;transition:.18s;position:relative}
.qopt:hover{border-color:#cfe0fb;background:var(--blue-light)}
.qopt input{position:absolute;opacity:0;pointer-events:none}
.qdot{width:20px;height:20px;border-radius:50%;border:2px solid #cbd5e1;flex-shrink:0;transition:.18s;position:relative}
.qopt input:checked ~ .qdot{border-color:var(--blue)}
.qopt input:checked ~ .qdot::after{content:"";position:absolute;inset:3px;border-radius:50%;background:var(--blue)}
.qopt .qlabel{flex:1;font-size:14.5px}
.qopt .qmark{margin-left:auto;font-size:15px;opacity:0}
.qopt.correct{border-color:var(--green);background:var(--green-light)}
.qopt.correct .qdot{border-color:var(--green)} .qopt.correct .qmark{color:var(--green);opacity:1}
.qopt.wrong{border-color:var(--red);background:#fdeceb}
.qopt.wrong .qmark{color:var(--red);opacity:1}
.qexpl{margin-top:12px;font-size:13.5px;color:var(--ink-soft);background:var(--bg);border-radius:10px;padding:10px 14px}
.qexpl i{color:var(--blue);margin-right:6px}
.quiz-actions{display:flex;align-items:center;gap:14px;margin-top:8px;flex-wrap:wrap}
.quiz-last{font-size:13px;color:var(--muted);margin-left:auto}
.quiz-result{display:flex;align-items:center;gap:22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 26px;margin-bottom:20px;box-shadow:var(--shadow);animation:fadeSlide .4s}
.qr-ring{--pct:0;width:96px;height:96px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;
  background:conic-gradient(var(--blue) calc(var(--pct)*1%),var(--line) 0);position:relative}
.qr-ring::before{content:"";position:absolute;inset:9px;border-radius:50%;background:#fff}
.qr-ring.pass{background:conic-gradient(var(--green) calc(var(--pct)*1%),var(--line) 0)}
.qr-ring.fail{background:conic-gradient(var(--amber) calc(var(--pct)*1%),var(--line) 0)}
.qr-ring span{position:relative;font-weight:800;font-size:20px}
.qr-meta h3{margin:0 0 4px;font-size:19px;font-weight:800}
.qr-meta p{margin:0 0 12px;color:var(--muted)}
.quiz-tile{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:16px 18px;transition:.2s}
.quiz-tile:hover{box-shadow:var(--shadow);transform:translateY(-2px);border-color:#cfe0fb}
.quiz-tile .qt-ic{width:48px;height:48px;border-radius:13px;background:linear-gradient(135deg,#7c3aed,#a855f7);color:#fff;display:grid;place-items:center;font-size:20px}
.quiz-tile .qt-info{flex:1;min-width:0}
.quiz-tile .qt-info b{display:block;font-size:15px}
.quiz-tile .qt-info small{color:var(--muted)}

/* ---------- Admin inputs / tables ---------- */
.admin-inp{border:1px solid var(--line);border-radius:10px;padding:9px 12px;font-family:var(--font);font-size:14px;outline:none;background:#fff}
.admin-inp:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(46,134,222,.12)}
table.table th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);border-bottom:1px solid var(--line);padding:10px 8px;text-align:left}
table.table td{padding:12px 8px;border-bottom:1px solid var(--line);font-size:14px;vertical-align:middle}

/* ---------- Responsive ---------- */
@media (max-width:1100px){ .detail-grid{grid-template-columns:1fr} .stats{grid-template-columns:repeat(2,1fr)} }
@media (max-width:900px){ .login-wrap{grid-template-columns:1fr} .login-brandside{display:none} }
@media (max-width:768px){
  .sidebar{position:fixed;left:0;top:0;z-index:60;transform:translateX(-100%);transition:.3s}
  .sidebar.open{transform:none}
  .sidebar-backdrop.show{display:block;position:fixed;inset:0;background:rgba(11,20,40,.5);z-index:55}
  .app-content{padding:20px 16px 40px}
  .topbar{padding:12px 16px}
  .stats{grid-template-columns:1fr 1fr;gap:12px}
  .welcome{padding:24px}
}
@media (max-width:480px){ .stats{grid-template-columns:1fr} }