:root{
  --bg:#f6f7fb;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#475569;
  --stroke:#e6e8f2;

  --blue:#2f6fff;
  --ok-bg:#ecfdf5;
  --ok:#065f46;
  --err-bg:#fef2f2;
  --err:#991b1b;

  --radius:18px;
}

*{ box-sizing:border-box; }

body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
}

.wrap{
  max-width:560px;
  margin:44px auto;
  padding:0 16px;
}

.card{
  background:var(--card);
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  box-shadow:0 10px 32px rgba(15,23,42,.08);
  padding:22px;
  overflow:hidden;
}

.header{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:14px;
}

.logo{
  width:44px;
  height:44px;
  background:transparent;
  border:0;
  overflow:visible;
  display:flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
}

.logo img{
  width:48px;
  height:48px;
  object-fit:contain;
  display:block;
}

h1{
  margin:0;
  font-size:22px;
  line-height:1.1;
}

.subtitle{
  margin:2px 0 0;
  color:var(--muted);
  font-size:13px;
}

.panel{
  margin-top:14px;
  border:1px solid var(--stroke);
  border-radius:16px;
  padding:14px;
  background:linear-gradient(180deg,#fff, #fbfcff);
}

label{
  display:block;
  font-size:13px;
  color:var(--muted);
  margin:0 0 6px;
}

.field{
  width:100%;
  max-width:420px;
  padding:12px 12px;
  border:1px solid #d8dbe5;
  border-radius:12px;
  font-size:15px;
  outline:none;
  background:#fff;
  display:block;
}

.field:focus{
  border-color:#7aa7ff;
  box-shadow:0 0 0 3px rgba(122,167,255,.22);
}

.actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:12px;
}

button, a.btn{
  border:0;
  cursor:pointer;
  padding:11px 14px;
  border-radius:12px;
  font-size:14px;
  font-weight:700;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  user-select:none;
}

button.primary{
  background:linear-gradient(90deg,#2f6fff, #3b82f6);
  color:#fff;
}

button.secondary, a.btn.secondary{
  background:#eef2ff;
  color:#1f3a8a;
}

.msg{
  margin-top:12px;
  padding:10px 12px;
  border-radius:12px;
  display:none;
  border:1px solid transparent;
  max-width:420px;
  font-size:13px;
  line-height:1.35;
}

.msg.ok{ background:var(--ok-bg); color:var(--ok); border-color:rgba(6,95,70,.12); }
.msg.err{ background:var(--err-bg); color:var(--err); border-color:rgba(153,27,27,.12); }

.hint{
  margin-top:10px;
  color:var(--muted);
  font-size:12px;
}

.footer{
  margin-top:14px;
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.center{
  text-align:center;
}

.spinner{
  width:18px;
  height:18px;
  border-radius:50%;
  border:2px solid rgba(255,255,255,.45);
  border-top-color:#fff;
  animation:spin .8s linear infinite;
  margin-right:8px;
}

.spinner.dark{
  border:2px solid rgba(15,23,42,.20);
  border-top-color:rgba(15,23,42,.70);
}

@keyframes spin{ to{ transform:rotate(360deg); } }