:root{
  --bg:#060606;
  --fg:#fff;
  --muted:#cfcfcf;
  --red:#ff0000;
  --panel: rgba(0,0,0,.55);
  --line: rgba(255,0,0,.75);
  --shadow: 0 18px 60px rgba(0,0,0,.6);
  --radius: 18px;
  --input:#ffffff;
  --inputText:#111;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 50% 20%, rgba(255,255,255,.05), transparent 55%),
              linear-gradient(#000, #070707);
  color:var(--fg);
}

a{ color:#fff; }
.page{
  min-height:100vh;
  width:min(1100px, 92vw);
  margin:0 auto;
  padding:24px 0 18px;
  display:flex;
  flex-direction:column;
  gap:22px;
}

.hero{
  display:grid;
  grid-template-columns: 1fr 1.15fr;
  gap:28px;
  align-items:center;
}

.hero-left{
  display:flex;
  align-items:center;
  justify-content:center;
}

.logo{
  width:min(520px, 100%);
  height:auto;
  filter: drop-shadow(0 18px 45px rgba(0,0,0,.8));
}

.hero-right h1{
  margin:0 0 12px;
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 800;
  line-height:1.15;
}
.hero-right p{
  margin:0 0 10px;
  color:var(--muted);
  font-size: 16px;
  line-height:1.45;
}

.auth{
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px 18px;
}

.auth-switch{
  display:flex;
  gap:22px;
  align-items:center;
  justify-content:center;
  margin-bottom: 18px;
  font-size: 22px;
  font-weight: 700;
}

.radio{
  display:flex;
  gap:10px;
  align-items:center;
  user-select:none;
}

.auth-grid{
  display:grid;
  grid-template-columns: 1fr 24px 1fr;
  gap: 22px;
  align-items:start;
}

.divider{
  width:2px;
  background: repeating-linear-gradient(
    to bottom,
    var(--line) 0 10px,
    transparent 10px 20px
  );
  margin: 8px auto;
  border-radius: 2px;
}

.panel{
  padding: 10px 16px 16px;
  border-radius: var(--radius);
}

.panel h2{
  margin: 0 0 14px;
  font-size: 34px;
  text-align:center;
  letter-spacing:.2px;
}

.form{
  display:flex;
  flex-direction:column;
  gap:14px;
}

.row{
  display:grid;
  grid-template-columns: 140px 1fr;
  gap: 12px;
  align-items:center;
}

label{ font-weight: 700; }
input[type="text"],
input[type="email"],
input[type="password"],
input[type="file"]{
  width:100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 0;
  outline: none;
  background: var(--input);
  color: var(--inputText);
}

.checkbox{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-weight:600;
  color: var(--muted);
}
.checkbox input{ margin-top:3px; }

.hint{
  color: rgba(255,255,255,.7);
  font-size: 12px;
  margin-top: -6px;
  grid-column: 2 / -1;
}

.btn{
  border:0;
  padding: 12px 14px;
  border-radius: 12px;
  font-weight: 900;
  font-size: 18px;
  cursor:pointer;
  background: #e7e7e7;
  color:#111;
}

.btn.primary{
  background: var(--red);
  color:#fff;
  width: 220px;
  align-self:center;
  box-shadow: 0 10px 28px rgba(255,0,0,.18);
}

.msg{
  margin: 6px 0 0;
  min-height: 20px;
  text-align:center;
  color: rgba(255,255,255,.9);
}

.footer{
  display:flex;
  justify-content:center;
  gap: 30px;
  padding: 10px 0 14px;
  color:#fff;
}
.footer-link{
  text-decoration:none;
  font-weight:700;
  opacity:.95;
}
.footer-link:hover{ text-decoration:underline; }

.linkish{
  border:0;
  background:transparent;
  color:#fff;
  font-weight:800;
  font-size: 18px;
  cursor:pointer;
  padding: 8px 0;
  text-align:left;
}

.accordion{
  margin-top: 8px;
  padding: 10px 0 0;
}

.accordion-inner{
  border-left: 3px solid rgba(255,255,255,.25);
  padding-left: 14px;
}

.avatar-picker{
  display:flex;
  align-items:center;
  gap: 14px;
}

.avatar{
  width: 64px;
  height: 64px;
  border-radius: 999px;
  object-fit: cover;
  border: 2px solid rgba(255,255,255,.25);
}
.avatar-controls{
  flex:1;
  display:flex;
  flex-direction:column;
  gap:6px;
}

.modal-overlay{
  position: fixed;
  inset: 0;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 18px;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(10px);
  z-index: 9999;
}

.modal{
  width: min(720px, 94vw);
  background: rgba(10,10,10,.92);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 18px 18px 16px;
  border: 1px solid rgba(255,255,255,.12);
  position: relative;
}
.modal h3{
  margin:0 0 10px;
  font-size: 22px;
}
.modal-body{
  color: rgba(255,255,255,.88);
  line-height: 1.5;
}
.modal-x{
  position:absolute;
  right: 10px;
  top: 8px;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border:0;
  background: rgba(255,255,255,.12);
  color:#fff;
  font-size: 24px;
  cursor:pointer;
}
.modal .btn{
  margin-top: 16px;
  width: 160px;
}

.verify{
  display:flex;
  align-items:center;
  justify-content:center;
}

/* Responsive */
.desktop-only{ display:block; }
.mobile-only{ display:none; }

@media (max-width: 860px){
  .hero{
    grid-template-columns: 1fr;
    text-align:left;
  }

  .auth-grid{
    grid-template-columns: 1fr;
  }

  .divider{ display:none; }

  .row{
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .panel h2{
    font-size: 30px;
  }

  .footer{
    flex-direction:column;
    align-items:center;
    gap: 8px;
  }

  .desktop-only{ display:none; }
  .mobile-only{ display:block; }
}