:root{
  --bg:#f4f7fb;
  --card:#fff;
  --text:#0f172a;
  --muted:#64748b;
  --line:#e5e7eb;
  --blue:#3157ff;
  --blue2:#2145dd;
  --dark:#061b2e;
  --green:#16a34a;
  --red:#dc2626;
  --radius:22px;
  --shadow:0 20px 60px rgba(15,23,42,.08);
}
*{box-sizing:border-box}
body{margin:0;font-family:Inter,Arial,sans-serif;background:linear-gradient(135deg,#f7faff,#eef3fb);color:var(--text)}
.layout{display:grid;grid-template-columns:280px 1fr;min-height:100vh}
aside{background:linear-gradient(180deg,#061b2e,#08283f);color:#fff;padding:28px 20px;position:sticky;top:0;height:100vh}
.logo{font-size:28px;font-weight:900;margin-bottom:30px}
.logo span{color:#5aa7ff}.logo small{display:block;font-size:13px;color:#cbd5e1}
nav button,.logout{width:100%;display:flex;gap:12px;padding:15px 16px;margin:8px 0;border:0;border-radius:16px;background:transparent;color:#dbeafe;font-weight:800;cursor:pointer;text-align:left}
nav button:hover,nav button.active{background:linear-gradient(135deg,#3157ff,#5b6dff);color:white;box-shadow:0 10px 30px rgba(49,87,255,.35)}
.logout{background:#12344a;margin-top:25px}
.plan{margin-top:35px;padding:20px;border-radius:22px;background:rgba(255,255,255,.08)}
.plan b{display:block;font-size:24px;margin:8px 0}
.progress{height:8px;background:rgba(255,255,255,.16);border-radius:99px;overflow:hidden;margin:12px 0}
.progress span{display:block;height:100%;width:0;background:#5aa7ff}
main{padding:32px}
.topbar,.between{display:flex;justify-content:space-between;align-items:center;gap:15px}
.topbar{margin-bottom:28px}
h1{font-size:34px;margin:0 0 6px} h2,h3{margin-top:0}
p,.small{color:var(--muted)}
button{border:0;padding:13px 18px;border-radius:14px;font-weight:900;cursor:pointer;background:var(--blue);color:white}
button:hover{background:var(--blue2)}
button.secondary{background:#eef2ff;color:#1e293b}
button.success{background:var(--green)}
button.danger{background:var(--red)}
input,textarea,select{width:100%;padding:15px 16px;border:1px solid var(--line);border-radius:14px;margin:8px 0 14px;font-size:15px;background:#fff}
textarea{min-height:180px;resize:vertical}
.section{display:none}.section.active{display:block}
.panel{background:var(--card);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);margin-bottom:24px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:20px 0}
.stat{background:white;border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.stat span{font-size:26px}.stat p{margin:8px 0}.stat b{font-size:34px}
.video-grid,.project-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:20px}
.video-card,.project-card,.avatar-card{background:white;border-radius:22px;padding:16px;box-shadow:var(--shadow);border:1px solid var(--line)}
.project-card{cursor:pointer;transition:.2s}
.project-card:hover,.project-card.active-project{transform:translateY(-3px);border-color:var(--blue);box-shadow:0 20px 50px rgba(49,87,255,.18)}
.project-icon{width:52px;height:52px;border-radius:18px;background:#eef2ff;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:14px}
.video-card video{width:100%;border-radius:18px;background:#000;aspect-ratio:9/12;object-fit:cover}
.avatar-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.avatar-card{cursor:pointer}.avatar-card img{width:100%;aspect-ratio:1/1;object-fit:cover;border-radius:14px;background:#f1f5f9}
.badge{display:inline-flex;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:900}
.badge.done{background:#dcfce7;color:#166534}.badge.processing{background:#fef3c7;color:#92400e}.badge.error{background:#fee2e2;color:#991b1b}
.filters{display:grid;grid-template-columns:220px 1fr 180px;gap:12px}
.empty{padding:35px;text-align:center;color:var(--muted);background:#f8fafc;border-radius:18px;border:1px dashed #cbd5e1}
.toast{position:fixed;right:24px;bottom:24px;background:#0f172a;color:white;padding:14px 18px;border-radius:14px;box-shadow:var(--shadow);display:none;z-index:1000}
.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.login-card{width:430px;background:white;padding:34px;border-radius:28px;box-shadow:var(--shadow)}
@media(max-width:900px){
  .layout{grid-template-columns:1fr}
  aside{height:auto;position:relative}
  main{padding:18px}
  .stats,.filters{grid-template-columns:1fr}
}

.pricing-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:22px;
}

.pricing-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:24px;
  padding:28px;
  box-shadow:var(--shadow);
  position:relative;
}

.pricing-card.popular{
  border-color:var(--blue);
  transform:translateY(-6px);
}

.pricing-card h3{
  font-size:26px;
  margin-bottom:12px;
}

.price{
  font-size:42px;
  font-weight:900;
  margin:18px 0;
}

.tag{
  position:absolute;
  top:18px;
  right:18px;
  background:#3157ff;
  color:white;
  padding:6px 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:900;
}

.payment-banner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:18px 22px;
  border-radius:20px;
  margin-bottom:22px;
  box-shadow:var(--shadow);
}

.payment-banner.success{
  background:#dcfce7;
  color:#14532d;
  border:1px solid #86efac;
}

.payment-banner.error{
  background:#fee2e2;
  color:#7f1d1d;
  border:1px solid #fecaca;
}

.payment-banner b{
  display:block;
  font-size:18px;
  margin-bottom:4px;
}

.payment-banner p{
  margin:0;
  color:inherit;
}

.payment-banner button{
  width:38px;
  height:38px;
  padding:0;
  border-radius:999px;
  background:rgba(0,0,0,.08);
  color:inherit;
  font-size:22px;
}