:root{
  --bg: #0b0f17;
  --text: rgba(255,255,255,.94);
  --muted: rgba(255,255,255,.72);
  --line: rgba(255,255,255,.16);
  --card: rgba(255,255,255,.07);
  --brand1: #7c3aed;
  --brand2: #22d3ee;
  --brand3: #f59e0b;
}

*{ box-sizing: border-box; }
html,body{ margin:0; padding:0; }
body{
  min-height: 100vh;
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, Segoe UI, Roboto, Arial;
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 70% 10%, rgba(124,58,237,.30), transparent 60%),
    radial-gradient(900px 520px at 20% 25%, rgba(34,211,238,.22), transparent 55%),
    radial-gradient(900px 650px at 60% 90%, rgba(245,158,11,.14), transparent 60%),
    var(--bg);
  overflow-x: hidden;
}

.login-bg{
  position: fixed;
  inset: -20%;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(420px 260px at 18% 20%, rgba(34,211,238,.16), transparent 70%),
    radial-gradient(440px 280px at 85% 18%, rgba(124,58,237,.18), transparent 70%),
    radial-gradient(420px 260px at 56% 86%, rgba(245,158,11,.14), transparent 70%);
  animation: ambientShift 16s ease-in-out infinite alternate;
}

.login-wrap{
  width: min(1100px, calc(100% - 40px));
  margin: 36px auto;
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: 18px;
  align-items: stretch;
}

.brand-side,
.login-card{
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--card);
  backdrop-filter: blur(14px);
  box-shadow: 0 20px 50px rgba(0,0,0,.35);
}

.brand-side{
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.brand-home{
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 14px;
}
.brand-home:hover{ color: #fff; }

.pill{
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.05);
}

.brand-side h1{
  margin: 14px 0 10px;
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1.1;
}

.brand-side p{
  margin: 0;
  color: var(--muted);
  max-width: 50ch;
}

.feature-list{
  margin: 18px 0 0;
  padding-left: 18px;
  color: var(--muted);
}
.feature-list li{ margin: 8px 0; }

.login-card{
  padding: 24px;
}

.login-card h2{
  margin: 0 0 4px;
  font-size: 30px;
}

.muted{
  margin: 0 0 14px;
  color: var(--muted);
}

.form{ display: grid; gap: 10px; }
label{
  display: grid;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
}

input{
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease;
}

input:focus{
  border-color: rgba(34,211,238,.75);
  box-shadow: 0 0 0 3px rgba(34,211,238,.16);
}

button{
  margin-top: 6px;
  border: 0;
  border-radius: 14px;
  padding: 12px 14px;
  font-weight: 800;
  cursor: pointer;
  color: #0b0f17;
  background: linear-gradient(90deg, var(--brand2), var(--brand1));
  transition: transform .15s ease, filter .2s ease;
}

button:hover{
  transform: translateY(-1px);
  filter: brightness(1.04);
}

.alert{
  padding: 11px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.06);
  margin-bottom: 10px;
  font-size: 13px;
}
.alert.error{
  border-color: rgba(248,113,113,.35);
  background: rgba(248,113,113,.12);
  color: #fecaca;
}

.alert a{
  color: #fff;
  text-decoration: underline;
}

.small{
  margin-top: 12px;
  font-size: 12px;
  color: var(--muted);
}

@keyframes ambientShift{
  0%{ transform: translate3d(0,0,0) scale(1); }
  100%{ transform: translate3d(2%,-2%,0) scale(1.04); }
}

@media (max-width: 980px){
  .login-wrap{
    grid-template-columns: 1fr;
    margin: 20px auto;
  }

  .brand-side,
  .login-card{
    padding: 18px;
    border-radius: 18px;
  }

  .brand-side h1{ font-size: 30px; }
}

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    animation: none !important;
    transition: none !important;
  }
}