:root{
  --bg:#0a0a14; --bg2:#12121f; --card:#171728; --card2:#1d1d33;
  --bd:rgba(255,255,255,.08); --bd2:rgba(124,58,237,.3);
  --tx:#e7e9f3; --tx2:#9aa0b8; --tx3:#6b7180;
  --pri:#7c3aed; --pri2:#4f46e5; --grad:linear-gradient(135deg,#7c3aed,#4f46e5);
  --ok:#10b981; --warn:#f59e0b; --err:#ef4444;
  --r:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--tx);font-family:'Segoe UI',system-ui,Arial,sans-serif;line-height:1.5}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.container{max-width:1180px;margin:0 auto;padding:0 18px}
.muted{color:var(--tx2)}
.small{font-size:13px}
h1,h2,h3{margin:0 0 .4em}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;
  font-weight:700;font-size:14px;padding:12px 20px;border-radius:10px;color:#fff;background:var(--grad);
  transition:.15s;text-align:center}
.btn:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn.full{width:100%}
.btn.ok{background:linear-gradient(135deg,#10b981,#059669)}
.btn.ghost{background:transparent;border:1px solid var(--bd);color:var(--tx)}
.btn.danger{background:linear-gradient(135deg,#ef4444,#b91c1c)}
.btn.sm{padding:8px 14px;font-size:13px}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}

/* Forms */
label{display:block;font-size:13px;color:var(--tx2);margin:0 0 6px;font-weight:600}
input,select,textarea{width:100%;background:var(--bg2);border:1px solid var(--bd);color:var(--tx);
  padding:12px 14px;border-radius:10px;font-size:14px;font-family:inherit;outline:none;transition:.15s}
input:focus,select:focus,textarea:focus{border-color:var(--pri);box-shadow:0 0 0 3px rgba(124,58,237,.18)}
textarea{resize:vertical;min-height:90px}
.field{margin-bottom:16px}
.row{display:flex;gap:14px;flex-wrap:wrap}
.row>*{flex:1;min-width:160px}
.check{display:flex;align-items:center;gap:8px;color:var(--tx)}
.check input{width:auto}

/* Card */
.card{background:var(--card);border:1px solid var(--bd);border-radius:var(--r);padding:22px}
.card.pad0{padding:0;overflow:hidden}

/* Flash */
.flash{padding:12px 16px;border-radius:10px;margin-bottom:14px;font-size:14px;border:1px solid}
.flash.success{background:rgba(16,185,129,.1);border-color:rgba(16,185,129,.35);color:#6ee7b7}
.flash.error{background:rgba(239,68,68,.1);border-color:rgba(239,68,68,.35);color:#fca5a5}

/* Badge */
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700}
.badge.ok{background:rgba(16,185,129,.15);color:#6ee7b7}
.badge.pending{background:rgba(245,158,11,.15);color:#fcd34d}
.badge.fail{background:rgba(239,68,68,.15);color:#fca5a5}

/* Table */
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th{text-align:left;color:var(--tx3);font-weight:600;font-size:12px;text-transform:uppercase;
  letter-spacing:.5px;padding:12px 10px;border-bottom:1px solid var(--bd)}
.tbl td{padding:13px 10px;border-bottom:1px solid var(--bd)}
.tbl tr:hover td{background:rgba(255,255,255,.02)}

/* ───── CHECKOUT ───── */
.ck-top{background:var(--bg2);border-bottom:1px solid var(--bd);padding:14px 0}
.ck-banner{border-radius:14px;overflow:hidden;margin:22px 0;border:1px solid var(--bd)}
.ck-grid{display:grid;grid-template-columns:1fr 360px;gap:22px;align-items:start;margin-bottom:40px}
.ck-step{font-size:12px;font-weight:800;color:#fff;background:var(--grad);width:24px;height:24px;
  border-radius:50%;display:inline-flex;align-items:center;justify-content:center;margin-right:8px}
.ck-h{display:flex;align-items:center;font-size:13px;font-weight:800;color:var(--tx2);
  text-transform:uppercase;letter-spacing:.6px;margin-bottom:16px}
.pay-tabs{display:flex;gap:10px;margin-bottom:18px}
.pay-tab{flex:1;border:1px solid var(--bd);border-radius:10px;padding:14px;text-align:center;
  cursor:pointer;font-weight:700;font-size:14px;background:var(--bg2);transition:.15s}
.pay-tab.active{border-color:var(--ok);background:rgba(16,185,129,.08);color:#6ee7b7}
.summary{position:sticky;top:18px}
.sum-prod{display:flex;flex-direction:column;gap:12px;align-items:stretch;margin-bottom:16px}
.sum-prod img{width:100%;max-height:240px;border-radius:10px;object-fit:contain;background:rgba(0,0,0,.25)}
.sum-line{display:flex;justify-content:space-between;padding:8px 0;font-size:14px;border-bottom:1px solid var(--bd)}
.sum-total{display:flex;justify-content:space-between;padding-top:14px;font-size:20px;font-weight:800}
.sum-total .v{color:var(--ok)}
.pix-box{text-align:center}
.pix-box img{width:240px;height:240px;background:#fff;border-radius:12px;padding:8px}
.pix-code{background:var(--bg2);border:1px solid var(--bd);border-radius:10px;padding:12px;
  font-family:monospace;font-size:12px;word-break:break-all;margin:14px 0;max-height:90px;overflow:auto}
.status-wait{display:flex;align-items:center;gap:10px;justify-content:center;color:var(--warn);font-weight:600;margin-top:8px}
.spinner{width:18px;height:18px;border:3px solid rgba(255,255,255,.2);border-top-color:var(--pri);
  border-radius:50%;animation:spin 1s linear infinite;display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}
.approved-box{text-align:center;padding:20px}
.approved-box .check-circle{width:80px;height:80px;border-radius:50%;background:rgba(16,185,129,.15);
  display:flex;align-items:center;justify-content:center;font-size:44px;margin:0 auto 16px;color:var(--ok)}

/* ───── ACADEMY ───── */
.ac-nav{background:var(--bg2);border-bottom:1px solid var(--bd);padding:12px 0;position:sticky;top:0;z-index:50}
.ac-nav .inner{display:flex;align-items:center;justify-content:space-between}
.ac-logo{font-weight:900;font-size:20px;letter-spacing:-.5px}
.ac-logo span{color:var(--pri)}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
  background:radial-gradient(900px 500px at 50% -10%,rgba(124,58,237,.22),transparent)}
.login-card{width:100%;max-width:400px}
.hero-continue{background:var(--grad);border-radius:16px;padding:26px;margin:24px 0;display:flex;
  justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.netflix-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:18px}
.course-card{background:var(--card);border:1px solid var(--bd);border-radius:14px;overflow:hidden;
  transition:.18s;cursor:pointer}
.course-card:hover{transform:translateY(-4px);border-color:var(--bd2);box-shadow:0 12px 30px rgba(0,0,0,.4)}
.course-card .thumb{background:linear-gradient(135deg,#1d1d33,#2a2a4a);
  display:flex;align-items:center;justify-content:center;font-size:40px;color:var(--tx3);min-height:130px}
.course-card .thumb:has(img){min-height:0}
.course-card .thumb img{width:100%;height:auto;display:block;object-fit:contain}
.course-card .body{padding:14px}
.progress-bar{height:6px;background:var(--bg);border-radius:999px;overflow:hidden;margin-top:10px}
.progress-bar i{display:block;height:100%;background:var(--ok);border-radius:999px}

/* lesson player */
.player-grid{display:grid;grid-template-columns:1fr 340px;gap:22px;align-items:start;margin:22px 0 40px}
.video-wrap{background:#000;border-radius:14px;overflow:hidden;aspect-ratio:16/9}
.video-wrap video,.video-wrap iframe{width:100%;height:100%;border:0;display:block}
.lesson-list{background:var(--card);border:1px solid var(--bd);border-radius:14px;overflow:hidden}
.lesson-mod{padding:12px 16px;font-weight:700;font-size:13px;color:var(--tx2);background:var(--bg2);
  text-transform:uppercase;letter-spacing:.5px}
.lesson-item{display:flex;align-items:center;gap:10px;padding:12px 16px;border-top:1px solid var(--bd);
  font-size:14px;cursor:pointer}
.lesson-item:hover{background:rgba(255,255,255,.03)}
.lesson-item.active{background:rgba(124,58,237,.12);border-left:3px solid var(--pri)}
.lesson-item .dot{width:18px;height:18px;border-radius:50%;border:2px solid var(--tx3);flex:none}
.lesson-item .dot.done{background:var(--ok);border-color:var(--ok)}
.att-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid var(--bd)}

/* cards de aula (preview estilo Netflix) */
.les-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-top:14px}
.les-card{background:var(--card);border:1px solid var(--bd);border-radius:12px;overflow:hidden;cursor:pointer;transition:.16s;position:relative}
.les-card:hover{transform:translateY(-3px);border-color:var(--bd2);box-shadow:0 10px 26px rgba(0,0,0,.4)}
.les-card .thumb{aspect-ratio:16/9;background:linear-gradient(135deg,#1d1d33,#2a2a4a);display:flex;
  align-items:center;justify-content:center;position:relative;color:var(--tx3);font-size:30px}
.les-card .thumb img{width:100%;height:100%;object-fit:cover}
.les-card .play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:34px;color:#fff;text-shadow:0 2px 8px rgba(0,0,0,.6);opacity:.92}
.les-card .num{position:absolute;top:8px;left:8px;background:rgba(0,0,0,.6);color:#fff;font-size:12px;
  font-weight:700;padding:2px 9px;border-radius:999px}
.les-card .free{position:absolute;top:8px;right:8px;background:var(--ok);color:#04150e;font-size:11px;
  font-weight:800;padding:2px 9px;border-radius:999px}
.les-card .lock{position:absolute;top:8px;right:8px;background:rgba(0,0,0,.6);color:#fff;font-size:13px;padding:3px 8px;border-radius:999px}
.les-card .b{padding:12px 14px}
.les-card .b .t{font-weight:700;font-size:14px;line-height:1.3}
.les-card.done .thumb::after{content:'✓';position:absolute;bottom:8px;right:8px;width:24px;height:24px;
  background:var(--ok);color:#04150e;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900}

/* ───── ADMIN ───── */
.adm{display:flex;min-height:100vh}
.adm-side{width:230px;background:var(--bg2);border-right:1px solid var(--bd);padding:18px 12px;flex:none}
.adm-side .brand{font-weight:900;font-size:18px;padding:8px 12px 18px}
.adm-side a{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:10px;
  color:var(--tx2);font-size:14px;font-weight:600;margin-bottom:2px}
.adm-side a:hover{background:var(--card);color:var(--tx)}
.adm-side a.active{background:var(--grad);color:#fff}
.adm-main{flex:1;padding:26px 30px;min-width:0}
.adm-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;flex-wrap:wrap;gap:12px}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}
.stat{background:var(--card);border:1px solid var(--bd);border-radius:14px;padding:20px}
.stat .v{font-size:30px;font-weight:900;margin-top:4px}
.stat .l{font-size:13px;color:var(--tx3)}
.mod-block{background:var(--card);border:1px solid var(--bd);border-radius:12px;margin-bottom:14px;overflow:hidden}
.mod-block .mh{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;background:var(--bg2)}
.les-row{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-top:1px solid var(--bd)}

@media(max-width:880px){
  .ck-grid,.player-grid{grid-template-columns:1fr}
  .adm-side{width:100%;display:flex;overflow-x:auto;gap:6px;position:sticky;top:0;z-index:50}
  .adm-side .brand{display:none}
  .adm-side a{white-space:nowrap;margin:0}
  .adm{flex-direction:column}
  .adm-main{padding:18px}
}