* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #050b16;
  color: #fff;
}

.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(circle at top left, rgba(37, 99, 235, 0.28), transparent 32%),
    radial-gradient(circle at bottom right, rgba(14, 165, 233, 0.18), transparent 34%),
    #050b16;
}

.login-card {
  width: 100%;
  max-width: 430px;
  background: #111827;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  padding: 38px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.35);
}

.login-logo {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 34px;
}

.login-avatar {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, #22d3ee, #2563eb);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  font-weight: 900;
}

.login-logo h1 {
  margin: 0;
  font-size: 30px;
  font-weight: 900;
  letter-spacing: -0.5px;
}

.login-logo span {
  color: #60a5fa;
}

.login-card h2 {
  margin: 0 0 8px;
  font-size: 28px;
  font-weight: 900;
}

.login-subtitle {
  margin: 0 0 28px;
  color: #94a3b8;
  font-size: 15px;
}

.login-group {
  margin-bottom: 18px;
}

.login-group label {
  display: block;
  margin-bottom: 8px;
  color: #cbd5e1;
  font-size: 13px;
  font-weight: 800;
}

.login-group input {
  width: 100%;
  height: 50px;
  background: #0f172a;
  color: #fff;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 14px;
  padding: 0 15px;
  outline: none;
  font-size: 15px;
}

.login-group input:focus {
  border-color: #38bdf8;
  box-shadow: 0 0 0 3px rgba(56,189,248,0.14);
}

.login-btn {
  width: 100%;
  height: 52px;
  margin-top: 8px;
  border: none;
  border-radius: 15px;
  background: linear-gradient(135deg, #22d3ee, #2563eb);
  color: #fff;
  font-weight: 900;
  font-size: 16px;
  cursor: pointer;
}

.login-btn:hover {
  filter: brightness(1.08);
}

.login-error {
  background: rgba(239,68,68,0.15);
  border: 1px solid rgba(239,68,68,0.3);
  color: #fecaca;
  padding: 13px 14px;
  border-radius: 13px;
  margin-bottom: 20px;
  font-size: 14px;
}